diff --git a/_includes/components/blog-sidebar.njk b/_includes/components/blog-sidebar.njk
index 262aa0f..4fd71c1 100644
--- a/_includes/components/blog-sidebar.njk
+++ b/_includes/components/blog-sidebar.njk
@@ -46,23 +46,23 @@
     {% elif widget.type == "fediverse-follow" %}
       {% set widgetIcon = "user-plus" %}{% set widgetIconClass = "w-5 h-5 text-[#a730b8]" %}{% set widgetBorder = "border-l-[3px] border-l-[#a730b8]" %}
     {% elif widget.type == "author-card" or widget.type == "author-card-compact" %}
-      {% set widgetIcon = "user" %}{% set widgetIconClass = "w-5 h-5 text-surface-500" %}{% set widgetBorder = "" %}
+      {% set widgetIcon = "user" %}{% set widgetIconClass = "w-5 h-5 text-surface-600 dark:text-surface-400" %}{% set widgetBorder = "" %}
     {% elif widget.type == "recent-posts" %}
-      {% set widgetIcon = "list" %}{% set widgetIconClass = "w-5 h-5 text-surface-500" %}{% set widgetBorder = "" %}
+      {% set widgetIcon = "list" %}{% set widgetIconClass = "w-5 h-5 text-surface-600 dark:text-surface-400" %}{% set widgetBorder = "" %}
     {% elif widget.type == "categories" or widget.type == "post-categories" %}
-      {% set widgetIcon = "tag" %}{% set widgetIconClass = "w-5 h-5 text-surface-500" %}{% set widgetBorder = "" %}
+      {% set widgetIcon = "tag" %}{% set widgetIconClass = "w-5 h-5 text-surface-600 dark:text-surface-400" %}{% set widgetBorder = "" %}
     {% elif widget.type == "recent-comments" %}
-      {% set widgetIcon = "chat" %}{% set widgetIconClass = "w-5 h-5 text-surface-500" %}{% set widgetBorder = "" %}
+      {% set widgetIcon = "chat" %}{% set widgetIconClass = "w-5 h-5 text-surface-600 dark:text-surface-400" %}{% set widgetBorder = "" %}
     {% elif widget.type == "search" %}
-      {% set widgetIcon = "search" %}{% set widgetIconClass = "w-5 h-5 text-surface-500" %}{% set widgetBorder = "" %}
+      {% set widgetIcon = "search" %}{% set widgetIconClass = "w-5 h-5 text-surface-600 dark:text-surface-400" %}{% set widgetBorder = "" %}
     {% elif widget.type == "webmentions" %}
-      {% set widgetIcon = "share" %}{% set widgetIconClass = "w-5 h-5 text-surface-500" %}{% set widgetBorder = "" %}
+      {% set widgetIcon = "share" %}{% set widgetIconClass = "w-5 h-5 text-surface-600 dark:text-surface-400" %}{% set widgetBorder = "" %}
     {% elif widget.type == "ai-usage" %}
       {% set widgetIcon = "zap" %}{% set widgetIconClass = "w-5 h-5 text-amber-500" %}{% set widgetBorder = "border-l-[3px] border-l-amber-400 dark:border-l-amber-500" %}
     {% elif widget.type == "toc" %}
-      {% set widgetIcon = "list" %}{% set widgetIconClass = "w-5 h-5 text-surface-500" %}{% set widgetBorder = "" %}
+      {% set widgetIcon = "list" %}{% set widgetIconClass = "w-5 h-5 text-surface-600 dark:text-surface-400" %}{% set widgetBorder = "" %}
     {% elif widget.type == "share" %}
-      {% set widgetIcon = "share" %}{% set widgetIconClass = "w-5 h-5 text-surface-500" %}{% set widgetBorder = "" %}
+      {% set widgetIcon = "share" %}{% set widgetIconClass = "w-5 h-5 text-surface-600 dark:text-surface-400" %}{% set widgetBorder = "" %}
     {% else %}
       {% set widgetIcon = "" %}{% set widgetIconClass = "" %}{% set widgetBorder = "" %}
     {% endif %}
@@ -89,6 +89,7 @@
             class="widget-chevron"
             :class="open && 'rotate-180'"
             fill="none" stroke="currentColor" viewBox="0 0 24 24"
+            aria-hidden="true"
           >
             <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/>
           </svg>
@@ -169,8 +170,8 @@
   <div class="widget-collapsible mb-4" x-data="{ open: localStorage.getItem('{{ widgetKey }}') !== null ? localStorage.getItem('{{ widgetKey }}') === 'true' : true }">
     <div class="bg-surface-50 dark:bg-surface-800 rounded-lg border border-surface-200 dark:border-surface-700 shadow-sm overflow-hidden">
       <button class="widget-header w-full p-4" @click="open = !open; localStorage.setItem('{{ widgetKey }}', open)" :aria-expanded="open ? 'true' : 'false'">
-        <h3 class="widget-title font-bold text-lg flex items-center gap-2">{{ icon("user", "w-5 h-5 text-surface-500") }} Author</h3>
-        <svg class="widget-chevron" :class="open && 'rotate-180'" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/></svg>
+        <h3 class="widget-title font-bold text-lg flex items-center gap-2">{{ icon("user", "w-5 h-5 text-surface-600 dark:text-surface-400") }} Author</h3>
+        <svg class="widget-chevron" :class="open && 'rotate-180'" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/></svg>
       </button>
       <div x-show="open" x-transition:enter="transition ease-out duration-150" x-transition:enter-start="opacity-0" x-transition:enter-end="opacity-100" x-transition:leave="transition ease-in duration-100" x-transition:leave-start="opacity-100" x-transition:leave-end="opacity-0" x-cloak>
         {% include "components/widgets/author-card-compact.njk" %}
@@ -183,8 +184,8 @@
   <div class="widget-collapsible mb-4" x-data="{ open: localStorage.getItem('{{ widgetKey }}') !== null ? localStorage.getItem('{{ widgetKey }}') === 'true' : true }">
     <div class="bg-surface-50 dark:bg-surface-800 rounded-lg border border-surface-200 dark:border-surface-700 shadow-sm overflow-hidden">
       <button class="widget-header w-full p-4" @click="open = !open; localStorage.setItem('{{ widgetKey }}', open)" :aria-expanded="open ? 'true' : 'false'">
-        <h3 class="widget-title font-bold text-lg flex items-center gap-2">{{ icon("list", "w-5 h-5 text-surface-500") }} Table of Contents</h3>
-        <svg class="widget-chevron" :class="open && 'rotate-180'" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/></svg>
+        <h3 class="widget-title font-bold text-lg flex items-center gap-2">{{ icon("list", "w-5 h-5 text-surface-600 dark:text-surface-400") }} Table of Contents</h3>
+        <svg class="widget-chevron" :class="open && 'rotate-180'" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/></svg>
       </button>
       <div x-show="open" x-transition:enter="transition ease-out duration-150" x-transition:enter-start="opacity-0" x-transition:enter-end="opacity-100" x-transition:leave="transition ease-in duration-100" x-transition:leave-start="opacity-100" x-transition:leave-end="opacity-0" x-cloak>
         {% include "components/widgets/toc.njk" %}
@@ -197,8 +198,8 @@
   <div class="widget-collapsible mb-4" x-data="{ open: localStorage.getItem('{{ widgetKey }}') !== null ? localStorage.getItem('{{ widgetKey }}') === 'true' : true }">
     <div class="bg-surface-50 dark:bg-surface-800 rounded-lg border border-surface-200 dark:border-surface-700 shadow-sm overflow-hidden">
       <button class="widget-header w-full p-4" @click="open = !open; localStorage.setItem('{{ widgetKey }}', open)" :aria-expanded="open ? 'true' : 'false'">
-        <h3 class="widget-title font-bold text-lg flex items-center gap-2">{{ icon("tag", "w-5 h-5 text-surface-500") }} Categories</h3>
-        <svg class="widget-chevron" :class="open && 'rotate-180'" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/></svg>
+        <h3 class="widget-title font-bold text-lg flex items-center gap-2">{{ icon("tag", "w-5 h-5 text-surface-600 dark:text-surface-400") }} Categories</h3>
+        <svg class="widget-chevron" :class="open && 'rotate-180'" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/></svg>
       </button>
       <div x-show="open" x-transition:enter="transition ease-out duration-150" x-transition:enter-start="opacity-0" x-transition:enter-end="opacity-100" x-transition:leave="transition ease-in duration-100" x-transition:leave-start="opacity-100" x-transition:leave-end="opacity-0" x-cloak>
         {% include "components/widgets/post-categories.njk" %}
@@ -211,8 +212,8 @@
   <div class="widget-collapsible mb-4" x-data="{ open: localStorage.getItem('{{ widgetKey }}') !== null ? localStorage.getItem('{{ widgetKey }}') === 'true' : false }">
     <div class="bg-surface-50 dark:bg-surface-800 rounded-lg border border-surface-200 dark:border-surface-700 shadow-sm overflow-hidden">
       <button class="widget-header w-full p-4" @click="open = !open; localStorage.setItem('{{ widgetKey }}', open)" :aria-expanded="open ? 'true' : 'false'">
-        <h3 class="widget-title font-bold text-lg flex items-center gap-2">{{ icon("list", "w-5 h-5 text-surface-500") }} Recent Posts</h3>
-        <svg class="widget-chevron" :class="open && 'rotate-180'" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/></svg>
+        <h3 class="widget-title font-bold text-lg flex items-center gap-2">{{ icon("list", "w-5 h-5 text-surface-600 dark:text-surface-400") }} Recent Posts</h3>
+        <svg class="widget-chevron" :class="open && 'rotate-180'" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/></svg>
       </button>
       <div x-show="open" x-transition:enter="transition ease-out duration-150" x-transition:enter-start="opacity-0" x-transition:enter-end="opacity-100" x-transition:leave="transition ease-in duration-100" x-transition:leave-start="opacity-100" x-transition:leave-end="opacity-0" x-cloak>
         {% include "components/widgets/recent-posts-blog.njk" %}
@@ -225,8 +226,8 @@
   <div class="widget-collapsible mb-4" x-data="{ open: localStorage.getItem('{{ widgetKey }}') !== null ? localStorage.getItem('{{ widgetKey }}') === 'true' : false }">
     <div class="bg-surface-50 dark:bg-surface-800 rounded-lg border border-surface-200 dark:border-surface-700 shadow-sm overflow-hidden">
       <button class="widget-header w-full p-4" @click="open = !open; localStorage.setItem('{{ widgetKey }}', open)" :aria-expanded="open ? 'true' : 'false'">
-        <h3 class="widget-title font-bold text-lg flex items-center gap-2">{{ icon("share", "w-5 h-5 text-surface-500") }} Webmentions</h3>
-        <svg class="widget-chevron" :class="open && 'rotate-180'" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/></svg>
+        <h3 class="widget-title font-bold text-lg flex items-center gap-2">{{ icon("share", "w-5 h-5 text-surface-600 dark:text-surface-400") }} Webmentions</h3>
+        <svg class="widget-chevron" :class="open && 'rotate-180'" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/></svg>
       </button>
       <div x-show="open" x-transition:enter="transition ease-out duration-150" x-transition:enter-start="opacity-0" x-transition:enter-end="opacity-100" x-transition:leave="transition ease-in duration-100" x-transition:leave-start="opacity-100" x-transition:leave-end="opacity-0" x-cloak>
         {% include "components/widgets/webmentions.njk" %}
@@ -239,8 +240,8 @@
   <div class="widget-collapsible mb-4" x-data="{ open: localStorage.getItem('{{ widgetKey }}') !== null ? localStorage.getItem('{{ widgetKey }}') === 'true' : false }">
     <div class="bg-surface-50 dark:bg-surface-800 rounded-lg border border-surface-200 dark:border-surface-700 shadow-sm overflow-hidden">
       <button class="widget-header w-full p-4" @click="open = !open; localStorage.setItem('{{ widgetKey }}', open)" :aria-expanded="open ? 'true' : 'false'">
-        <h3 class="widget-title font-bold text-lg flex items-center gap-2">{{ icon("share", "w-5 h-5 text-surface-500") }} Share</h3>
-        <svg class="widget-chevron" :class="open && 'rotate-180'" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/></svg>
+        <h3 class="widget-title font-bold text-lg flex items-center gap-2">{{ icon("share", "w-5 h-5 text-surface-600 dark:text-surface-400") }} Share</h3>
+        <svg class="widget-chevron" :class="open && 'rotate-180'" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/></svg>
       </button>
       <div x-show="open" x-transition:enter="transition ease-out duration-150" x-transition:enter-start="opacity-0" x-transition:enter-end="opacity-100" x-transition:leave="transition ease-in duration-100" x-transition:leave-start="opacity-100" x-transition:leave-end="opacity-0" x-cloak>
         {% include "components/widgets/share.njk" %}
@@ -254,7 +255,7 @@
     <div class="bg-surface-50 dark:bg-surface-800 rounded-lg border border-surface-200 dark:border-surface-700 shadow-sm overflow-hidden border-l-[3px] border-l-orange-400 dark:border-l-orange-500">
       <button class="widget-header w-full p-4" @click="open = !open; localStorage.setItem('{{ widgetKey }}', open)" :aria-expanded="open ? 'true' : 'false'">
         <h3 class="widget-title font-bold text-lg flex items-center gap-2">{{ icon("rss", "w-5 h-5 text-orange-500") }} Subscribe</h3>
-        <svg class="widget-chevron" :class="open && 'rotate-180'" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/></svg>
+        <svg class="widget-chevron" :class="open && 'rotate-180'" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/></svg>
       </button>
       <div x-show="open" x-transition:enter="transition ease-out duration-150" x-transition:enter-start="opacity-0" x-transition:enter-end="opacity-100" x-transition:leave="transition ease-in duration-100" x-transition:leave-start="opacity-100" x-transition:leave-end="opacity-0" x-cloak>
         {% include "components/widgets/subscribe.njk" %}
@@ -267,8 +268,8 @@
   <div class="widget-collapsible mb-4" x-data="{ open: localStorage.getItem('{{ widgetKey }}') !== null ? localStorage.getItem('{{ widgetKey }}') === 'true' : false }">
     <div class="bg-surface-50 dark:bg-surface-800 rounded-lg border border-surface-200 dark:border-surface-700 shadow-sm overflow-hidden">
       <button class="widget-header w-full p-4" @click="open = !open; localStorage.setItem('{{ widgetKey }}', open)" :aria-expanded="open ? 'true' : 'false'">
-        <h3 class="widget-title font-bold text-lg flex items-center gap-2">{{ icon("chat", "w-5 h-5 text-surface-500") }} Recent Comments</h3>
-        <svg class="widget-chevron" :class="open && 'rotate-180'" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/></svg>
+        <h3 class="widget-title font-bold text-lg flex items-center gap-2">{{ icon("chat", "w-5 h-5 text-surface-600 dark:text-surface-400") }} Recent Comments</h3>
+        <svg class="widget-chevron" :class="open && 'rotate-180'" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/></svg>
       </button>
       <div x-show="open" x-transition:enter="transition ease-out duration-150" x-transition:enter-start="opacity-0" x-transition:enter-end="opacity-100" x-transition:leave="transition ease-in duration-100" x-transition:leave-start="opacity-100" x-transition:leave-end="opacity-0" x-cloak>
         {% include "components/widgets/recent-comments.njk" %}
diff --git a/_includes/components/comments.njk b/_includes/components/comments.njk
index d339185..dacd261 100644
--- a/_includes/components/comments.njk
+++ b/_includes/components/comments.njk
@@ -21,6 +21,7 @@
     <div class="mt-4">
       {# Status messages #}
       <div x-show="statusMessage" x-cloak
+           role="alert"
            x-bind:class="statusType === 'error' ? 'bg-red-50 text-red-700 dark:bg-red-900/20 dark:text-red-400' :
                           statusType === 'success' ? 'bg-green-50 text-green-700 dark:bg-green-900/20 dark:text-green-400' :
                           'bg-blue-50 text-blue-700 dark:bg-blue-900/20 dark:text-blue-400'"
@@ -54,12 +55,13 @@
         </div>
 
         <form x-on:submit.prevent="submitComment()">
-          <textarea x-model="commentText" rows="4" required
+          <label for="comment-text" class="sr-only">Your comment</label>
+          <textarea id="comment-text" x-model="commentText" rows="4" required
                     placeholder="Share your thoughts... (supports **bold**, *italic*, and [links](url))"
                     class="w-full px-3 py-2 border rounded-lg mb-2 dark:bg-surface-800 dark:border-surface-700 dark:text-surface-100"
                     x-bind:maxlength="maxLength"></textarea>
           <div class="flex items-center justify-between">
-            <span class="text-xs text-surface-500" x-text="commentText.length + '/' + maxLength"></span>
+            <span class="text-xs text-surface-600 dark:text-surface-400" x-text="commentText.length + '/' + maxLength"></span>
             <button type="submit" class="button" x-bind:disabled="submitting">
               <span x-show="!submitting">Post Comment</span>
               <span x-show="submitting" x-cloak>Posting...</span>
@@ -71,7 +73,7 @@
       {# Comment list #}
       <div class="mt-6 space-y-4">
         <template x-if="loading">
-          <p class="text-sm text-surface-500">Loading comments...</p>
+          <p class="text-sm text-surface-600 dark:text-surface-400">Loading comments...</p>
         </template>
 
         <template x-for="comment in comments" x-bind:key="comment.published">
@@ -90,7 +92,7 @@
                 <div class="flex items-center gap-2">
                   <a x-bind:href="comment.author?.url" class="font-medium text-sm hover:underline" target="_blank" rel="noopener"
                      x-text="comment.author?.name || comment.author?.url"></a>
-                  <time class="text-xs text-surface-500 font-mono" x-bind:datetime="comment.published"
+                  <time class="text-xs text-surface-600 dark:text-surface-400 font-mono" x-bind:datetime="comment.published"
                         x-text="new Date(comment.published).toLocaleDateString('en-US', { month: 'short', day: 'numeric', year: 'numeric' })"></time>
                 </div>
                 <div class="mt-1 text-sm prose dark:prose-invert" x-html="comment.content?.html || comment.content?.text"></div>
@@ -100,7 +102,7 @@
         </template>
 
         <template x-if="!loading && comments.length === 0">
-          <p class="text-sm text-surface-500">No comments yet. Be the first to share your thoughts!</p>
+          <p class="text-sm text-surface-600 dark:text-surface-400">No comments yet. Be the first to share your thoughts!</p>
         </template>
       </div>
     </div>
diff --git a/_includes/components/cv-builder.njk b/_includes/components/cv-builder.njk
index 8e62d2d..55c3b52 100644
--- a/_includes/components/cv-builder.njk
+++ b/_includes/components/cv-builder.njk
@@ -74,7 +74,7 @@
       {% endif %}
       {# Contact details — location, organization, website, email, PGP #}
       {% if cvLocality or cvCountry or cvOrg or cvUrl or cvEmail or cvKeyUrl %}
-      <div class="flex flex-wrap gap-x-4 gap-y-1 mt-4 text-sm text-surface-500 dark:text-surface-400">
+      <div class="flex flex-wrap gap-x-4 gap-y-1 mt-4 text-sm text-surface-600 dark:text-surface-400">
         {% if cvLocality or cvCountry %}
         <span>{% if cvLocality %}{{ cvLocality }}{% endif %}{% if cvLocality and cvCountry %}, {% endif %}{% if cvCountry %}{{ cvCountry }}{% endif %}</span>
         {% endif %}
@@ -160,7 +160,7 @@
 
 {# Last Updated #}
 {% if cv.lastUpdated %}
-<p class="text-sm text-surface-500 text-center mt-8">
+<p class="text-sm text-surface-600 dark:text-surface-400 text-center mt-8">
   Last updated: <time class="font-mono text-sm" datetime="{{ cv.lastUpdated }}">{{ cv.lastUpdated | date("PPP") }}</time>
 </p>
 {% endif %}
diff --git a/_includes/components/empty-collection.njk b/_includes/components/empty-collection.njk
index 8198853..e0e8995 100644
--- a/_includes/components/empty-collection.njk
+++ b/_includes/components/empty-collection.njk
@@ -12,7 +12,7 @@
     </svg>
   </div>
   <h2 class="text-lg font-semibold text-surface-700 dark:text-surface-300 mb-2">No {{ title | lower }} yet</h2>
-  <p class="text-surface-500 dark:text-surface-400 mb-6 max-w-md mx-auto">
+  <p class="text-surface-600 dark:text-surface-400 mb-6 max-w-md mx-auto">
     This is where your {{ title | lower }} will appear once you start creating content.
   </p>
   {% if typeInfo %}
diff --git a/_includes/components/fediverse-modal.njk b/_includes/components/fediverse-modal.njk
index 34489ef..8923af3 100644
--- a/_includes/components/fediverse-modal.njk
+++ b/_includes/components/fediverse-modal.njk
@@ -14,6 +14,7 @@
          @click="showModal = false"></div>
     {# Panel #}
     <div class="relative bg-surface-50 dark:bg-surface-800 rounded-xl shadow-xl w-full max-w-sm p-6"
+         role="dialog" aria-modal="true" aria-labelledby="fediverse-modal-title"
          x-transition:enter="transition ease-out duration-200"
          x-transition:enter-start="opacity-0 scale-95"
          x-transition:enter-end="opacity-100 scale-100"
@@ -21,8 +22,8 @@
          x-transition:leave-start="opacity-100 scale-100"
          x-transition:leave-end="opacity-0 scale-95"
          @click.stop>
-      <h3 class="text-lg font-semibold text-surface-900 dark:text-surface-100 mb-1">{{ modalTitle }}</h3>
-      <p class="text-sm text-surface-500 dark:text-surface-400 mb-4">{{ modalDescription }}</p>
+      <h3 id="fediverse-modal-title" class="text-lg font-semibold text-surface-900 dark:text-surface-100 mb-1">{{ modalTitle }}</h3>
+      <p class="text-sm text-surface-600 dark:text-surface-400 mb-4">{{ modalDescription }}</p>
 
       {# Saved domains list #}
       <template x-if="savedDomains.length > 0 && !showInput">
@@ -35,8 +36,8 @@
                         x-text="item.domain"></button>
                 <button class="px-2 py-2.5 text-surface-400 hover:text-red-500 transition-colors cursor-pointer"
                         @click="deleteSaved(item.domain)"
-                        title="Remove">
-                  <svg class="w-4 h-4" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><line x1="18" y1="6" x2="6" y2="18"/><line x1="6" y1="6" x2="18" y2="18"/></svg>
+                        :aria-label="'Remove ' + item.domain">
+                  <svg class="w-4 h-4" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><line x1="18" y1="6" x2="6" y2="18"/><line x1="6" y1="6" x2="18" y2="18"/></svg>
                 </button>
               </div>
             </template>
@@ -55,14 +56,16 @@
       {# New domain input #}
       <template x-if="savedDomains.length === 0 || showInput">
         <div>
-          <input x-ref="instanceInput"
+          <label for="fediverse-instance-input" class="sr-only">Fediverse instance domain</label>
+          <input id="fediverse-instance-input"
+                 x-ref="instanceInput"
                  x-model="instance"
                  @keydown.enter.prevent="confirm()"
                  type="text"
                  placeholder="mastodon.social"
                  class="w-full px-3 py-2 border border-surface-300 dark:border-surface-600 rounded-lg bg-surface-50 dark:bg-surface-800 text-surface-900 dark:text-surface-100 placeholder-surface-400 text-sm">
           <template x-if="error">
-            <p class="text-xs text-red-500 mt-1" x-text="error"></p>
+            <p class="text-xs text-red-500 mt-1" x-text="error" role="alert"></p>
           </template>
           <div class="flex gap-3 mt-4">
             <button @click="showInput ? (showInput = false) : (showModal = false)"
diff --git a/_includes/components/funkwhale-stats-content.njk b/_includes/components/funkwhale-stats-content.njk
index 428655d..eea0017 100644
--- a/_includes/components/funkwhale-stats-content.njk
+++ b/_includes/components/funkwhale-stats-content.njk
@@ -3,19 +3,19 @@
 <div class="grid grid-cols-2 sm:grid-cols-4 gap-3 sm:gap-4 mb-6 sm:mb-8">
   <div class="p-4 bg-surface-50 dark:bg-surface-800 rounded-lg border border-surface-200 dark:border-surface-700 shadow-sm text-center">
     <span class="text-2xl font-bold font-mono text-purple-600 dark:text-purple-400 block">{{ summary.totalPlays or 0 }}</span>
-    <span class="text-xs text-surface-500 uppercase tracking-wide">Plays</span>
+    <span class="text-xs text-surface-600 dark:text-surface-400 uppercase tracking-wide">Plays</span>
   </div>
   <div class="p-4 bg-surface-50 dark:bg-surface-800 rounded-lg border border-surface-200 dark:border-surface-700 shadow-sm text-center">
     <span class="text-2xl font-bold font-mono text-purple-600 dark:text-purple-400 block">{{ summary.uniqueTracks or 0 }}</span>
-    <span class="text-xs text-surface-500 uppercase tracking-wide">Tracks</span>
+    <span class="text-xs text-surface-600 dark:text-surface-400 uppercase tracking-wide">Tracks</span>
   </div>
   <div class="p-4 bg-surface-50 dark:bg-surface-800 rounded-lg border border-surface-200 dark:border-surface-700 shadow-sm text-center">
     <span class="text-2xl font-bold font-mono text-purple-600 dark:text-purple-400 block">{{ summary.uniqueArtists or 0 }}</span>
-    <span class="text-xs text-surface-500 uppercase tracking-wide">Artists</span>
+    <span class="text-xs text-surface-600 dark:text-surface-400 uppercase tracking-wide">Artists</span>
   </div>
   <div class="p-4 bg-surface-50 dark:bg-surface-800 rounded-lg border border-surface-200 dark:border-surface-700 shadow-sm text-center">
     <span class="text-2xl font-bold font-mono text-purple-600 dark:text-purple-400 block">{{ summary.totalDurationFormatted or '0m' }}</span>
-    <span class="text-xs text-surface-500 uppercase tracking-wide">Listened</span>
+    <span class="text-xs text-surface-600 dark:text-surface-400 uppercase tracking-wide">Listened</span>
   </div>
 </div>
 {% endif %}
@@ -29,7 +29,7 @@
     <div class="flex items-center gap-3 p-3 bg-surface-50 dark:bg-surface-800 rounded-lg border border-surface-200 dark:border-surface-700 shadow-sm">
       <span class="w-6 h-6 flex items-center justify-center text-sm font-bold text-surface-400 bg-surface-100 dark:bg-surface-700 rounded-full">{{ loop.index }}</span>
       <span class="flex-1 font-medium text-surface-900 dark:text-surface-100">{{ artist.name }}</span>
-      <span class="text-sm text-surface-500">{{ artist.playCount }} plays</span>
+      <span class="text-sm text-surface-600 dark:text-surface-400">{{ artist.playCount }} plays</span>
     </div>
     {% endfor %}
   </div>
@@ -53,7 +53,7 @@
       </div>
       {% endif %}
       <p class="text-sm font-medium text-surface-900 dark:text-surface-100 truncate">{{ album.title }}</p>
-      <p class="text-xs text-surface-500 truncate">{{ album.artist }}</p>
+      <p class="text-xs text-surface-600 dark:text-surface-400 truncate">{{ album.artist }}</p>
       <p class="text-xs text-surface-400">{{ album.playCount }} plays</p>
     </div>
     {% endfor %}
diff --git a/_includes/components/h-card.njk b/_includes/components/h-card.njk
index 75e1535..594e046 100644
--- a/_includes/components/h-card.njk
+++ b/_includes/components/h-card.njk
@@ -41,11 +41,11 @@
         {{ authorName }}
       </a>
       {% if authorPronoun %}
-      <span class="p-pronoun text-xs text-surface-500">({{ authorPronoun }})</span>
+      <span class="p-pronoun text-xs text-surface-600 dark:text-surface-400">({{ authorPronoun }})</span>
       {% endif %}
       <p class="p-job-title text-sm text-surface-600 dark:text-surface-400" itemprop="jobTitle">{{ authorTitle }}</p>
       {# Structured address #}
-      <p class="p-adr h-adr text-sm text-surface-500 dark:text-surface-500" itemprop="address" itemscope itemtype="http://schema.org/PostalAddress">
+      <p class="p-adr h-adr text-sm text-surface-600 dark:text-surface-400" itemprop="address" itemscope itemtype="http://schema.org/PostalAddress">
         {% if authorLocality %}
         <span class="p-locality" itemprop="addressLocality">{{ authorLocality }}</span>{% if authorCountry %}, {% endif %}
         {% endif %}
@@ -79,7 +79,7 @@
     </a>
     {% endif %}
     {% if authorKeyUrl %}
-    <a href="{{ authorKeyUrl }}" class="u-key text-surface-500 dark:text-surface-400 hover:underline" rel="pgpkey">
+    <a href="{{ authorKeyUrl }}" class="u-key text-surface-600 dark:text-surface-400 hover:underline" rel="pgpkey">
       🔐 PGP Key
     </a>
     {% endif %}
@@ -87,11 +87,11 @@
 
   {# Categories / Skills #}
   {% if authorCategories and authorCategories.length %}
-  <div class="mt-3 flex flex-wrap gap-1">
+  <ul class="mt-3 flex flex-wrap gap-1 list-none p-0 m-0" role="list" aria-label="Skills and interests">
     {% for category in authorCategories %}
-    <span class="p-category text-xs px-2 py-0.5 bg-surface-100 dark:bg-surface-800 rounded-full">{{ category }}</span>
+    <li class="p-category text-xs px-2 py-0.5 bg-surface-100 dark:bg-surface-800 rounded-full">{{ category }}</li>
     {% endfor %}
-  </div>
+  </ul>
   {% endif %}
 
   {# Social links with rel="me" - critical for IndieWeb identity verification #}
@@ -102,8 +102,8 @@
     <a
       href="{{ link.url }}"
       rel="{{ link.rel }} noopener"
-      class="u-url text-surface-500 hover:text-accent-600 dark:hover:text-accent-400 transition-colors"
-      aria-label="{{ link.name }}"
+      class="u-url text-surface-600 dark:text-surface-400 hover:text-accent-600 dark:hover:text-accent-400 transition-colors"
+      aria-label="{{ link.name }} (opens in new tab)"
       target="_blank">
       {{ socialIcon(link.icon, "w-5 h-5") }}
     </a>
diff --git a/_includes/components/homepage-sidebar.njk b/_includes/components/homepage-sidebar.njk
index f0b6058..f1bab65 100644
--- a/_includes/components/homepage-sidebar.njk
+++ b/_includes/components/homepage-sidebar.njk
@@ -39,17 +39,17 @@
     {% elif widget.type == "fediverse-follow" %}
       {% set widgetIcon = "user-plus" %}{% set widgetIconClass = "w-5 h-5 text-[#a730b8]" %}{% set widgetBorder = "border-l-[3px] border-l-[#a730b8]" %}
     {% elif widget.type == "author-card" %}
-      {% set widgetIcon = "user" %}{% set widgetIconClass = "w-5 h-5 text-surface-500" %}{% set widgetBorder = "" %}
+      {% set widgetIcon = "user" %}{% set widgetIconClass = "w-5 h-5 text-surface-600 dark:text-surface-400" %}{% set widgetBorder = "" %}
     {% elif widget.type == "recent-posts" %}
-      {% set widgetIcon = "list" %}{% set widgetIconClass = "w-5 h-5 text-surface-500" %}{% set widgetBorder = "" %}
+      {% set widgetIcon = "list" %}{% set widgetIconClass = "w-5 h-5 text-surface-600 dark:text-surface-400" %}{% set widgetBorder = "" %}
     {% elif widget.type == "categories" %}
-      {% set widgetIcon = "tag" %}{% set widgetIconClass = "w-5 h-5 text-surface-500" %}{% set widgetBorder = "" %}
+      {% set widgetIcon = "tag" %}{% set widgetIconClass = "w-5 h-5 text-surface-600 dark:text-surface-400" %}{% set widgetBorder = "" %}
     {% elif widget.type == "recent-comments" %}
-      {% set widgetIcon = "chat" %}{% set widgetIconClass = "w-5 h-5 text-surface-500" %}{% set widgetBorder = "" %}
+      {% set widgetIcon = "chat" %}{% set widgetIconClass = "w-5 h-5 text-surface-600 dark:text-surface-400" %}{% set widgetBorder = "" %}
     {% elif widget.type == "search" %}
-      {% set widgetIcon = "search" %}{% set widgetIconClass = "w-5 h-5 text-surface-500" %}{% set widgetBorder = "" %}
+      {% set widgetIcon = "search" %}{% set widgetIconClass = "w-5 h-5 text-surface-600 dark:text-surface-400" %}{% set widgetBorder = "" %}
     {% elif widget.type == "webmentions" %}
-      {% set widgetIcon = "share" %}{% set widgetIconClass = "w-5 h-5 text-surface-500" %}{% set widgetBorder = "" %}
+      {% set widgetIcon = "share" %}{% set widgetIconClass = "w-5 h-5 text-surface-600 dark:text-surface-400" %}{% set widgetBorder = "" %}
     {% elif widget.type == "ai-usage" %}
       {% set widgetIcon = "zap" %}{% set widgetIconClass = "w-5 h-5 text-amber-500" %}{% set widgetBorder = "border-l-[3px] border-l-amber-400 dark:border-l-amber-500" %}
     {% else %}
@@ -78,6 +78,7 @@
             class="widget-chevron"
             :class="open && 'rotate-180'"
             fill="none" stroke="currentColor" viewBox="0 0 24 24"
+            aria-hidden="true"
           >
             <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/>
           </svg>
diff --git a/_includes/components/post-navigation.njk b/_includes/components/post-navigation.njk
index 4352d29..d7bc4f2 100644
--- a/_includes/components/post-navigation.njk
+++ b/_includes/components/post-navigation.njk
@@ -39,17 +39,17 @@
       </span>
       {% else %}
       <div class="p-4 sm:p-5">
-        <span class="text-[10px] sm:text-xs font-semibold uppercase tracking-wide text-surface-500 block mb-2">&larr; Previous</span>
+        <span class="text-[10px] sm:text-xs font-semibold uppercase tracking-wide text-surface-600 dark:text-surface-400 block mb-2">&larr; Previous</span>
         <span class="text-sm sm:text-base font-medium text-surface-900 dark:text-surface-100 group-hover:text-accent-600 dark:group-hover:text-accent-400 line-clamp-2 transition-colors">
           {{ _prevTitle }}
         </span>
-        <time class="text-xs text-surface-500 mt-1 block font-mono" datetime="{{ _prevPost.date | isoDate }}">{{ _prevPost.date | dateDisplay }}</time>
+        <time class="text-xs text-surface-600 dark:text-surface-400 mt-1 block font-mono" datetime="{{ _prevPost.date | isoDate }}">{{ _prevPost.date | dateDisplay }}</time>
       </div>
       {% endif %}
     </a>
 
     {% else %}
-    <div class="rounded-lg bg-surface-50 dark:bg-surface-800/50 border border-surface-200/50 dark:border-surface-700/50"></div>
+    <div class="rounded-lg bg-surface-50 dark:bg-surface-800/50 border border-surface-200/50 dark:border-surface-700/50" aria-hidden="true"></div>
     {% endif %}
 
     {# ── Next Post ── #}
@@ -85,17 +85,17 @@
       </span>
       {% else %}
       <div class="p-4 sm:p-5 text-right">
-        <span class="text-[10px] sm:text-xs font-semibold uppercase tracking-wide text-surface-500 block mb-2">Next &rarr;</span>
+        <span class="text-[10px] sm:text-xs font-semibold uppercase tracking-wide text-surface-600 dark:text-surface-400 block mb-2">Next &rarr;</span>
         <span class="text-sm sm:text-base font-medium text-surface-900 dark:text-surface-100 group-hover:text-accent-600 dark:group-hover:text-accent-400 line-clamp-2 transition-colors">
           {{ _nextTitle }}
         </span>
-        <time class="text-xs text-surface-500 mt-1 block font-mono" datetime="{{ _nextPost.date | isoDate }}">{{ _nextPost.date | dateDisplay }}</time>
+        <time class="text-xs text-surface-600 dark:text-surface-400 mt-1 block font-mono" datetime="{{ _nextPost.date | isoDate }}">{{ _nextPost.date | dateDisplay }}</time>
       </div>
       {% endif %}
     </a>
 
     {% else %}
-    <div class="rounded-lg bg-surface-50 dark:bg-surface-800/50 border border-surface-200/50 dark:border-surface-700/50"></div>
+    <div class="rounded-lg bg-surface-50 dark:bg-surface-800/50 border border-surface-200/50 dark:border-surface-700/50" aria-hidden="true"></div>
     {% endif %}
 
   </div>
diff --git a/_includes/components/reply-context.njk b/_includes/components/reply-context.njk
index bfa2781..c6df484 100644
--- a/_includes/components/reply-context.njk
+++ b/_includes/components/reply-context.njk
@@ -13,14 +13,14 @@
 <aside class="reply-context mb-6">
   {% if replyTo %}
   <div class="u-in-reply-to h-cite">
-    <p class="text-sm text-surface-500 dark:text-surface-400 mb-2 flex items-center gap-2">
+    <p class="text-sm text-surface-600 dark:text-surface-400 mb-2 flex items-center gap-2">
       <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true">
         <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M3 10h10a8 8 0 018 8v2M3 10l6 6m-6-6l6-6"/>
       </svg>
       <span>In reply to:</span>
     </p>
     {% unfurl replyTo %}
-    <a class="u-url text-xs text-surface-400 dark:text-surface-500 hover:underline break-all" href="{{ replyTo }}">
+    <a class="u-url text-xs text-surface-600 dark:text-surface-400 hover:underline break-all" href="{{ replyTo }}">
       {{ replyTo }}
     </a>
   </div>
@@ -28,14 +28,14 @@
 
   {% if likedUrl %}
   <div class="u-like-of h-cite">
-    <p class="text-sm text-surface-500 dark:text-surface-400 mb-2 flex items-center gap-2">
+    <p class="text-sm text-surface-600 dark:text-surface-400 mb-2 flex items-center gap-2">
       <svg class="w-4 h-4 text-red-500" fill="currentColor" viewBox="0 0 24 24" aria-hidden="true">
         <path d="M12 21.35l-1.45-1.32C5.4 15.36 2 12.28 2 8.5 2 5.42 4.42 3 7.5 3c1.74 0 3.41.81 4.5 2.09C13.09 3.81 14.76 3 16.5 3 19.58 3 22 5.42 22 8.5c0 3.78-3.4 6.86-8.55 11.54L12 21.35z"/>
       </svg>
       <span>Liked:</span>
     </p>
     {% unfurl likedUrl %}
-    <a class="u-url text-xs text-surface-400 dark:text-surface-500 hover:underline break-all" href="{{ likedUrl }}">
+    <a class="u-url text-xs text-surface-600 dark:text-surface-400 hover:underline break-all" href="{{ likedUrl }}">
       {{ likedUrl }}
     </a>
   </div>
@@ -43,14 +43,14 @@
 
   {% if repostedUrl %}
   <div class="u-repost-of h-cite">
-    <p class="text-sm text-surface-500 dark:text-surface-400 mb-2 flex items-center gap-2">
+    <p class="text-sm text-surface-600 dark:text-surface-400 mb-2 flex items-center gap-2">
       <svg class="w-4 h-4 text-green-500" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true">
         <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 4v5h.582m15.356 2A8.001 8.001 0 004.582 9m0 0H9m11 11v-5h-.581m0 0a8.003 8.003 0 01-15.357-2m15.357 2H15"/>
       </svg>
       <span>Reposted:</span>
     </p>
     {% unfurl repostedUrl %}
-    <a class="u-url text-xs text-surface-400 dark:text-surface-500 hover:underline break-all" href="{{ repostedUrl }}">
+    <a class="u-url text-xs text-surface-600 dark:text-surface-400 hover:underline break-all" href="{{ repostedUrl }}">
       {{ repostedUrl }}
     </a>
   </div>
@@ -58,14 +58,14 @@
 
   {% if bookmarkedUrl %}
   <div class="u-bookmark-of h-cite">
-    <p class="text-sm text-surface-500 dark:text-surface-400 mb-2 flex items-center gap-2">
+    <p class="text-sm text-surface-600 dark:text-surface-400 mb-2 flex items-center gap-2">
       <svg class="w-4 h-4 text-yellow-500" fill="currentColor" viewBox="0 0 24 24" aria-hidden="true">
         <path d="M17 3H7c-1.1 0-2 .9-2 2v16l7-3 7 3V5c0-1.1-.9-2-2-2z"/>
       </svg>
       <span>Bookmarked:</span>
     </p>
     {% unfurl bookmarkedUrl %}
-    <a class="u-url text-xs text-surface-400 dark:text-surface-500 hover:underline break-all" href="{{ bookmarkedUrl }}">
+    <a class="u-url text-xs text-surface-600 dark:text-surface-400 hover:underline break-all" href="{{ bookmarkedUrl }}">
       {{ bookmarkedUrl }}
     </a>
   </div>
diff --git a/_includes/components/sections/ai-usage.njk b/_includes/components/sections/ai-usage.njk
index 305c798..6b0ab26 100644
--- a/_includes/components/sections/ai-usage.njk
+++ b/_includes/components/sections/ai-usage.njk
@@ -15,19 +15,19 @@
     <div class="grid gap-4 sm:grid-cols-4 mb-6">
       <div class="text-center p-3 rounded-lg bg-surface-50 dark:bg-surface-800 border border-surface-200 dark:border-surface-700 shadow-sm">
         <div class="text-2xl font-bold font-mono text-surface-900 dark:text-surface-100">{{ stats.total }}</div>
-        <div class="text-xs text-surface-500 dark:text-surface-400">Total posts</div>
+        <div class="text-xs text-surface-600 dark:text-surface-400">Total posts</div>
       </div>
       <div class="text-center p-3 rounded-lg bg-surface-50 dark:bg-surface-800 border border-surface-200 dark:border-surface-700 shadow-sm">
         <div class="text-2xl font-bold font-mono text-amber-600 dark:text-amber-400">{{ stats.aiCount }}</div>
-        <div class="text-xs text-surface-500 dark:text-surface-400">AI-involved</div>
+        <div class="text-xs text-surface-600 dark:text-surface-400">AI-involved</div>
       </div>
       <div class="text-center p-3 rounded-lg bg-surface-50 dark:bg-surface-800 border border-surface-200 dark:border-surface-700 shadow-sm">
         <div class="text-2xl font-bold font-mono text-emerald-600 dark:text-emerald-400">{{ stats.total - stats.aiCount }}</div>
-        <div class="text-xs text-surface-500 dark:text-surface-400">Human-only</div>
+        <div class="text-xs text-surface-600 dark:text-surface-400">Human-only</div>
       </div>
       <div class="text-center p-3 rounded-lg bg-surface-50 dark:bg-surface-800 border border-surface-200 dark:border-surface-700 shadow-sm">
         <div class="text-2xl font-bold font-mono text-surface-900 dark:text-surface-100">{{ stats.percentage }}%</div>
-        <div class="text-xs text-surface-500 dark:text-surface-400">AI ratio</div>
+        <div class="text-xs text-surface-600 dark:text-surface-400">AI ratio</div>
       </div>
     </div>
 
@@ -50,7 +50,7 @@
     {# Post graph — AI-involved posts highlighted #}
     {% if aiPostsList and aiPostsList.length %}
     <h3 class="text-lg font-semibold text-surface-900 dark:text-surface-100 mb-3">AI-Involved Posts Over Time</h3>
-    <p class="text-sm text-surface-500 dark:text-surface-400 mb-4">Highlighted days had posts with AI involvement (level 1+). Empty boxes represent days with no AI-involved posts.</p>
+    <p class="text-sm text-surface-600 dark:text-surface-400 mb-4">Highlighted days had posts with AI involvement (level 1+). Empty boxes represent days with no AI-involved posts.</p>
     {% set graphLimit = sectionConfig.limit or 1 %}
     {% postGraph aiPostsList, { prefix: "ai-section", limit: graphLimit, boxColorDark: "#44403c", highlightColorLight: "#d97706", highlightColorDark: "#fbbf24" } %}
     {% endif %}
diff --git a/_includes/components/sections/cv-education.njk b/_includes/components/sections/cv-education.njk
index a24d55f..ddf792b 100644
--- a/_includes/components/sections/cv-education.njk
+++ b/_includes/components/sections/cv-education.njk
@@ -40,11 +40,11 @@
         </div>
         <div class="flex items-center gap-2 shrink-0">
           {% if item.startDate %}
-          <span class="text-xs text-surface-500 hidden sm:inline font-mono">
+          <span class="text-xs text-surface-600 dark:text-surface-400 hidden sm:inline font-mono">
             {{ item.startDate }}{% if item.endDate %} – {{ item.endDate }}{% else %} – Present{% endif %}
           </span>
           {% elif item.year %}
-          <span class="text-xs text-surface-500 hidden sm:inline font-mono">{{ item.year }}</span>
+          <span class="text-xs text-surface-600 dark:text-surface-400 hidden sm:inline font-mono">{{ item.year }}</span>
           {% endif %}
           <svg
             class="w-4 h-4 text-surface-400 transition-transform duration-200"
@@ -69,11 +69,11 @@
         class="px-4 pb-4"
       >
         {% if item.startDate %}
-        <p class="text-xs text-surface-500 mb-1 sm:hidden font-mono">
+        <p class="text-xs text-surface-600 dark:text-surface-400 mb-1 sm:hidden font-mono">
           {{ item.startDate }}{% if item.endDate %} – {{ item.endDate }}{% else %} – Present{% endif %}
         </p>
         {% elif item.year %}
-        <p class="text-xs text-surface-500 mb-1 sm:hidden font-mono">{{ item.year }}</p>
+        <p class="text-xs text-surface-600 dark:text-surface-400 mb-1 sm:hidden font-mono">{{ item.year }}</p>
         {% endif %}
 
         {% if item.description %}
diff --git a/_includes/components/sections/cv-experience.njk b/_includes/components/sections/cv-experience.njk
index 03c3761..45517ee 100644
--- a/_includes/components/sections/cv-experience.njk
+++ b/_includes/components/sections/cv-experience.njk
@@ -24,7 +24,7 @@
         {% if item.type %} &middot; <span class="capitalize">{{ item.type }}</span>{% endif %}
       </p>
       {% if item.startDate %}
-      <p class="text-xs text-surface-500 mt-0.5 font-mono">
+      <p class="text-xs text-surface-600 dark:text-surface-400 mt-0.5 font-mono">
         {{ item.startDate }}{% if item.endDate %} – {{ item.endDate }}{% else %} – Present{% endif %}
       </p>
       {% endif %}
diff --git a/_includes/components/sections/cv-languages.njk b/_includes/components/sections/cv-languages.njk
index 438905f..09aa8ee 100644
--- a/_includes/components/sections/cv-languages.njk
+++ b/_includes/components/sections/cv-languages.njk
@@ -13,7 +13,7 @@
     {% for lang in cv.languages %}
     <div class="flex items-center gap-2 px-3 py-1.5 bg-surface-50 dark:bg-surface-800 rounded-full border border-surface-200 dark:border-surface-700">
       <span class="font-medium text-sm text-surface-900 dark:text-surface-100">{{ lang.name }}</span>
-      <span class="text-xs text-surface-500 capitalize">{{ lang.level }}</span>
+      <span class="text-xs text-surface-600 dark:text-surface-400 capitalize">{{ lang.level }}</span>
     </div>
     {% endfor %}
   </div>
diff --git a/_includes/components/sections/cv-projects-personal.njk b/_includes/components/sections/cv-projects-personal.njk
index b51bcf2..1d0805f 100644
--- a/_includes/components/sections/cv-projects-personal.njk
+++ b/_includes/components/sections/cv-projects-personal.njk
@@ -62,7 +62,7 @@
         </div>
         <div class="flex items-center gap-2 shrink-0">
           {% if item.startDate %}
-          <span class="text-xs text-surface-500 hidden sm:inline font-mono">
+          <span class="text-xs text-surface-600 dark:text-surface-400 hidden sm:inline font-mono">
             {{ item.startDate }}{% if item.endDate %} – {{ item.endDate }}{% else %} – Present{% endif %}
           </span>
           {% endif %}
@@ -89,7 +89,7 @@
         class="px-4 pb-4"
       >
         {% if item.startDate %}
-        <p class="text-xs text-surface-500 mb-1 sm:hidden font-mono">
+        <p class="text-xs text-surface-600 dark:text-surface-400 mb-1 sm:hidden font-mono">
           {{ item.startDate }}{% if item.endDate %} – {{ item.endDate }}{% else %} – Present{% endif %}
         </p>
         {% endif %}
diff --git a/_includes/components/sections/cv-projects-work.njk b/_includes/components/sections/cv-projects-work.njk
index 0cbe81a..5e7f52f 100644
--- a/_includes/components/sections/cv-projects-work.njk
+++ b/_includes/components/sections/cv-projects-work.njk
@@ -62,7 +62,7 @@
         </div>
         <div class="flex items-center gap-2 shrink-0">
           {% if item.startDate %}
-          <span class="text-xs text-surface-500 hidden sm:inline font-mono">
+          <span class="text-xs text-surface-600 dark:text-surface-400 hidden sm:inline font-mono">
             {{ item.startDate }}{% if item.endDate %} – {{ item.endDate }}{% else %} – Present{% endif %}
           </span>
           {% endif %}
@@ -89,7 +89,7 @@
         class="px-4 pb-4"
       >
         {% if item.startDate %}
-        <p class="text-xs text-surface-500 mb-1 sm:hidden font-mono">
+        <p class="text-xs text-surface-600 dark:text-surface-400 mb-1 sm:hidden font-mono">
           {{ item.startDate }}{% if item.endDate %} – {{ item.endDate }}{% else %} – Present{% endif %}
         </p>
         {% endif %}
diff --git a/_includes/components/sections/cv-projects.njk b/_includes/components/sections/cv-projects.njk
index 7225efc..1dd3fa2 100644
--- a/_includes/components/sections/cv-projects.njk
+++ b/_includes/components/sections/cv-projects.njk
@@ -52,7 +52,7 @@
         </div>
         <div class="flex items-center gap-2 shrink-0">
           {% if item.startDate %}
-          <span class="text-xs text-surface-500 hidden sm:inline font-mono">
+          <span class="text-xs text-surface-600 dark:text-surface-400 hidden sm:inline font-mono">
             {{ item.startDate }}{% if item.endDate %} – {{ item.endDate }}{% else %} – Present{% endif %}
           </span>
           {% endif %}
@@ -79,7 +79,7 @@
         class="px-4 pb-4"
       >
         {% if item.startDate %}
-        <p class="text-xs text-surface-500 mb-1 sm:hidden font-mono">
+        <p class="text-xs text-surface-600 dark:text-surface-400 mb-1 sm:hidden font-mono">
           {{ item.startDate }}{% if item.endDate %} – {{ item.endDate }}{% else %} – Present{% endif %}
         </p>
         {% endif %}
diff --git a/_includes/components/sections/featured-posts.njk b/_includes/components/sections/featured-posts.njk
index 962385f..f9e81b4 100644
--- a/_includes/components/sections/featured-posts.njk
+++ b/_includes/components/sections/featured-posts.njk
@@ -53,14 +53,14 @@
           </svg>
         </div>
         <div class="flex-1 min-w-0">
-          <div class="flex items-center gap-3 text-xs text-surface-500">
+          <div class="flex items-center gap-3 text-xs text-surface-600 dark:text-surface-400">
             <span class="font-medium text-red-600 dark:text-red-400">Liked</span>
             <time class="dt-published font-mono" datetime="{{ post.date | isoDate }}">
               {{ post.date | dateDisplay }}
             </time>
           </div>
           {{ likedUrl | unfurlCard | safe }}
-          <a class="u-like-of text-xs text-surface-400 dark:text-surface-500 hover:underline break-all mt-1 inline-block" href="{{ likedUrl }}">
+          <a class="u-like-of text-xs text-surface-400 dark:text-surface-400 hover:underline break-all mt-1 inline-block" href="{{ likedUrl }}">
             {{ likedUrl }}
           </a>
           {% if post.templateContent %}
@@ -81,7 +81,7 @@
           </svg>
         </div>
         <div class="flex-1 min-w-0">
-          <div class="flex items-center gap-3 text-xs text-surface-500">
+          <div class="flex items-center gap-3 text-xs text-surface-600 dark:text-surface-400">
             <span class="font-medium text-amber-600 dark:text-amber-400">Bookmarked</span>
             <time class="dt-published font-mono" datetime="{{ post.date | isoDate }}">
               {{ post.date | dateDisplay }}
@@ -93,7 +93,7 @@
           </h3>
           {% endif %}
           {{ bookmarkedUrl | unfurlCard | safe }}
-          <a class="u-bookmark-of text-xs text-surface-400 dark:text-surface-500 hover:underline break-all mt-1 inline-block" href="{{ bookmarkedUrl }}">
+          <a class="u-bookmark-of text-xs text-surface-400 dark:text-surface-400 hover:underline break-all mt-1 inline-block" href="{{ bookmarkedUrl }}">
             {{ bookmarkedUrl }}
           </a>
           {% if post.templateContent %}
@@ -114,14 +114,14 @@
           </svg>
         </div>
         <div class="flex-1 min-w-0">
-          <div class="flex items-center gap-3 text-xs text-surface-500">
+          <div class="flex items-center gap-3 text-xs text-surface-600 dark:text-surface-400">
             <span class="font-medium text-green-600 dark:text-green-400">Reposted</span>
             <time class="dt-published font-mono" datetime="{{ post.date | isoDate }}">
               {{ post.date | dateDisplay }}
             </time>
           </div>
           {{ repostedUrl | unfurlCard | safe }}
-          <a class="u-repost-of text-xs text-surface-400 dark:text-surface-500 hover:underline break-all mt-1 inline-block" href="{{ repostedUrl }}">
+          <a class="u-repost-of text-xs text-surface-400 dark:text-surface-400 hover:underline break-all mt-1 inline-block" href="{{ repostedUrl }}">
             {{ repostedUrl }}
           </a>
           {% if post.templateContent %}
@@ -142,14 +142,14 @@
           </svg>
         </div>
         <div class="flex-1 min-w-0">
-          <div class="flex items-center gap-3 text-xs text-surface-500">
+          <div class="flex items-center gap-3 text-xs text-surface-600 dark:text-surface-400">
             <span class="font-medium text-sky-600 dark:text-sky-400">In reply to</span>
             <time class="dt-published font-mono" datetime="{{ post.date | isoDate }}">
               {{ post.date | dateDisplay }}
             </time>
           </div>
           {{ replyToUrl | unfurlCard | safe }}
-          <a class="u-in-reply-to text-xs text-surface-400 dark:text-surface-500 hover:underline break-all mt-1 inline-block" href="{{ replyToUrl }}">
+          <a class="u-in-reply-to text-xs text-surface-400 dark:text-surface-400 hover:underline break-all mt-1 inline-block" href="{{ replyToUrl }}">
             {{ replyToUrl }}
           </a>
           {% if post.templateContent %}
@@ -171,7 +171,7 @@
           </svg>
         </div>
         <div class="flex-1 min-w-0">
-          <div class="flex items-center gap-3 text-xs text-surface-500">
+          <div class="flex items-center gap-3 text-xs text-surface-600 dark:text-surface-400">
             <span class="font-medium text-purple-600 dark:text-purple-400">Photo</span>
             <time class="dt-published font-mono" datetime="{{ post.date | isoDate }}">
               {{ post.date | dateDisplay }}
@@ -209,7 +209,7 @@
         {{ post.templateContent | striptags | truncate(250) }}
       </p>
       {% endif %}
-      <div class="flex items-center gap-3 text-xs text-surface-500">
+      <div class="flex items-center gap-3 text-xs text-surface-600 dark:text-surface-400">
         <time class="dt-published font-mono" datetime="{{ post.date | isoDate }}">
           {{ post.date | dateDisplay }}
         </time>
@@ -222,9 +222,9 @@
 
       {% else %}
       {# ── Note card ── #}
-      <div class="flex items-center gap-3 text-xs text-surface-500 mb-2">
+      <div class="flex items-center gap-3 text-xs text-surface-600 dark:text-surface-400 mb-2">
         <a class="u-url" href="{{ post.url }}">
-          <time class="dt-published font-medium font-mono text-surface-500 dark:text-surface-400" datetime="{{ post.date | isoDate }}">
+          <time class="dt-published font-medium font-mono text-surface-600 dark:text-surface-400" datetime="{{ post.date | isoDate }}">
             {{ post.date | dateDisplay }}
           </time>
         </a>
diff --git a/_includes/components/sections/recent-posts.njk b/_includes/components/sections/recent-posts.njk
index 16a045e..be72813 100644
--- a/_includes/components/sections/recent-posts.njk
+++ b/_includes/components/sections/recent-posts.njk
@@ -50,14 +50,14 @@
           </svg>
         </div>
         <div class="flex-1 min-w-0">
-          <div class="flex items-center gap-3 text-xs text-surface-500">
+          <div class="flex items-center gap-3 text-xs text-surface-600 dark:text-surface-400">
             <span class="font-medium text-red-600 dark:text-red-400">Liked</span>
             <time class="dt-published font-mono" datetime="{{ post.date | isoDate }}">
               {{ post.date | dateDisplay }}
             </time>
           </div>
           {{ likedUrl | unfurlCard | safe }}
-          <a class="u-like-of text-xs text-surface-400 dark:text-surface-500 hover:underline break-all mt-1 inline-block" href="{{ likedUrl }}">
+          <a class="u-like-of text-xs text-surface-400 dark:text-surface-400 hover:underline break-all mt-1 inline-block" href="{{ likedUrl }}">
             {{ likedUrl }}
           </a>
           {% if post.templateContent %}
@@ -78,7 +78,7 @@
           </svg>
         </div>
         <div class="flex-1 min-w-0">
-          <div class="flex items-center gap-3 text-xs text-surface-500">
+          <div class="flex items-center gap-3 text-xs text-surface-600 dark:text-surface-400">
             <span class="font-medium text-amber-600 dark:text-amber-400">Bookmarked</span>
             <time class="dt-published font-mono" datetime="{{ post.date | isoDate }}">
               {{ post.date | dateDisplay }}
@@ -90,7 +90,7 @@
           </h3>
           {% endif %}
           {{ bookmarkedUrl | unfurlCard | safe }}
-          <a class="u-bookmark-of text-xs text-surface-400 dark:text-surface-500 hover:underline break-all mt-1 inline-block" href="{{ bookmarkedUrl }}">
+          <a class="u-bookmark-of text-xs text-surface-400 dark:text-surface-400 hover:underline break-all mt-1 inline-block" href="{{ bookmarkedUrl }}">
             {{ bookmarkedUrl }}
           </a>
           {% if post.templateContent %}
@@ -111,14 +111,14 @@
           </svg>
         </div>
         <div class="flex-1 min-w-0">
-          <div class="flex items-center gap-3 text-xs text-surface-500">
+          <div class="flex items-center gap-3 text-xs text-surface-600 dark:text-surface-400">
             <span class="font-medium text-green-600 dark:text-green-400">Reposted</span>
             <time class="dt-published font-mono" datetime="{{ post.date | isoDate }}">
               {{ post.date | dateDisplay }}
             </time>
           </div>
           {{ repostedUrl | unfurlCard | safe }}
-          <a class="u-repost-of text-xs text-surface-400 dark:text-surface-500 hover:underline break-all mt-1 inline-block" href="{{ repostedUrl }}">
+          <a class="u-repost-of text-xs text-surface-400 dark:text-surface-400 hover:underline break-all mt-1 inline-block" href="{{ repostedUrl }}">
             {{ repostedUrl }}
           </a>
           {% if post.templateContent %}
@@ -139,14 +139,14 @@
           </svg>
         </div>
         <div class="flex-1 min-w-0">
-          <div class="flex items-center gap-3 text-xs text-surface-500">
+          <div class="flex items-center gap-3 text-xs text-surface-600 dark:text-surface-400">
             <span class="font-medium text-sky-600 dark:text-sky-400">In reply to</span>
             <time class="dt-published font-mono" datetime="{{ post.date | isoDate }}">
               {{ post.date | dateDisplay }}
             </time>
           </div>
           {{ replyToUrl | unfurlCard | safe }}
-          <a class="u-in-reply-to text-xs text-surface-400 dark:text-surface-500 hover:underline break-all mt-1 inline-block" href="{{ replyToUrl }}">
+          <a class="u-in-reply-to text-xs text-surface-400 dark:text-surface-400 hover:underline break-all mt-1 inline-block" href="{{ replyToUrl }}">
             {{ replyToUrl }}
           </a>
           {% if post.templateContent %}
@@ -168,7 +168,7 @@
           </svg>
         </div>
         <div class="flex-1 min-w-0">
-          <div class="flex items-center gap-3 text-xs text-surface-500">
+          <div class="flex items-center gap-3 text-xs text-surface-600 dark:text-surface-400">
             <span class="font-medium text-purple-600 dark:text-purple-400">Photo</span>
             <time class="dt-published font-mono" datetime="{{ post.date | isoDate }}">
               {{ post.date | dateDisplay }}
@@ -206,7 +206,7 @@
         {{ post.templateContent | striptags | truncate(250) }}
       </p>
       {% endif %}
-      <div class="flex items-center gap-3 text-xs text-surface-500">
+      <div class="flex items-center gap-3 text-xs text-surface-600 dark:text-surface-400">
         <time class="dt-published font-mono" datetime="{{ post.date | isoDate }}">
           {{ post.date | dateDisplay }}
         </time>
@@ -219,9 +219,9 @@
 
       {% else %}
       {# ── Note card ── #}
-      <div class="flex items-center gap-3 text-xs text-surface-500 mb-2">
+      <div class="flex items-center gap-3 text-xs text-surface-600 dark:text-surface-400 mb-2">
         <a class="u-url" href="{{ post.url }}">
-          <time class="dt-published font-medium font-mono text-surface-500 dark:text-surface-400" datetime="{{ post.date | isoDate }}">
+          <time class="dt-published font-medium font-mono text-surface-600 dark:text-surface-400" datetime="{{ post.date | isoDate }}">
             {{ post.date | dateDisplay }}
           </time>
         </a>
diff --git a/_includes/components/sidebar.njk b/_includes/components/sidebar.njk
index dfe3cf6..bd1e1f1 100644
--- a/_includes/components/sidebar.njk
+++ b/_includes/components/sidebar.njk
@@ -43,17 +43,17 @@
     {% elif widget.type == "fediverse-follow" %}
       {% set widgetIcon = "user-plus" %}{% set widgetIconClass = "w-5 h-5 text-[#a730b8]" %}{% set widgetBorder = "border-l-[3px] border-l-[#a730b8]" %}
     {% elif widget.type == "author-card" or widget.type == "author-card-compact" %}
-      {% set widgetIcon = "user" %}{% set widgetIconClass = "w-5 h-5 text-surface-500" %}{% set widgetBorder = "" %}
+      {% set widgetIcon = "user" %}{% set widgetIconClass = "w-5 h-5 text-surface-600 dark:text-surface-400" %}{% set widgetBorder = "" %}
     {% elif widget.type == "recent-posts" %}
-      {% set widgetIcon = "list" %}{% set widgetIconClass = "w-5 h-5 text-surface-500" %}{% set widgetBorder = "" %}
+      {% set widgetIcon = "list" %}{% set widgetIconClass = "w-5 h-5 text-surface-600 dark:text-surface-400" %}{% set widgetBorder = "" %}
     {% elif widget.type == "categories" %}
-      {% set widgetIcon = "tag" %}{% set widgetIconClass = "w-5 h-5 text-surface-500" %}{% set widgetBorder = "" %}
+      {% set widgetIcon = "tag" %}{% set widgetIconClass = "w-5 h-5 text-surface-600 dark:text-surface-400" %}{% set widgetBorder = "" %}
     {% elif widget.type == "recent-comments" %}
-      {% set widgetIcon = "chat" %}{% set widgetIconClass = "w-5 h-5 text-surface-500" %}{% set widgetBorder = "" %}
+      {% set widgetIcon = "chat" %}{% set widgetIconClass = "w-5 h-5 text-surface-600 dark:text-surface-400" %}{% set widgetBorder = "" %}
     {% elif widget.type == "search" %}
-      {% set widgetIcon = "search" %}{% set widgetIconClass = "w-5 h-5 text-surface-500" %}{% set widgetBorder = "" %}
+      {% set widgetIcon = "search" %}{% set widgetIconClass = "w-5 h-5 text-surface-600 dark:text-surface-400" %}{% set widgetBorder = "" %}
     {% elif widget.type == "webmentions" %}
-      {% set widgetIcon = "share" %}{% set widgetIconClass = "w-5 h-5 text-surface-500" %}{% set widgetBorder = "" %}
+      {% set widgetIcon = "share" %}{% set widgetIconClass = "w-5 h-5 text-surface-600 dark:text-surface-400" %}{% set widgetBorder = "" %}
     {% elif widget.type == "ai-usage" %}
       {% set widgetIcon = "zap" %}{% set widgetIconClass = "w-5 h-5 text-amber-500" %}{% set widgetBorder = "border-l-[3px] border-l-amber-400 dark:border-l-amber-500" %}
     {% else %}
@@ -82,6 +82,7 @@
             class="widget-chevron"
             :class="open && 'rotate-180'"
             fill="none" stroke="currentColor" viewBox="0 0 24 24"
+            aria-hidden="true"
           >
             <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/>
           </svg>
@@ -158,8 +159,8 @@
   <div class="widget-collapsible mb-4" x-data="{ open: localStorage.getItem('{{ widgetKey }}') !== null ? localStorage.getItem('{{ widgetKey }}') === 'true' : true }">
     <div class="bg-surface-50 dark:bg-surface-800 rounded-lg border border-surface-200 dark:border-surface-700 shadow-sm overflow-hidden">
       <button class="widget-header w-full p-4" @click="open = !open; localStorage.setItem('{{ widgetKey }}', open)" :aria-expanded="open ? 'true' : 'false'">
-        <h3 class="widget-title font-bold text-lg flex items-center gap-2">{{ icon("user", "w-5 h-5 text-surface-500") }} Author</h3>
-        <svg class="widget-chevron" :class="open && 'rotate-180'" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/></svg>
+        <h3 class="widget-title font-bold text-lg flex items-center gap-2">{{ icon("user", "w-5 h-5 text-surface-600 dark:text-surface-400") }} Author</h3>
+        <svg class="widget-chevron" :class="open && 'rotate-180'" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/></svg>
       </button>
       <div x-show="open" x-transition:enter="transition ease-out duration-150" x-transition:enter-start="opacity-0" x-transition:enter-end="opacity-100" x-transition:leave="transition ease-in duration-100" x-transition:leave-start="opacity-100" x-transition:leave-end="opacity-0" x-cloak>
         {% include "components/widgets/author-card.njk" %}
@@ -173,7 +174,7 @@
     <div class="bg-surface-50 dark:bg-surface-800 rounded-lg border border-surface-200 dark:border-surface-700 shadow-sm overflow-hidden border-l-[3px] border-l-[#0085ff]">
       <button class="widget-header w-full p-4" @click="open = !open; localStorage.setItem('{{ widgetKey }}', open)" :aria-expanded="open ? 'true' : 'false'">
         <h3 class="widget-title font-bold text-lg flex items-center gap-2">{{ icon("globe", "w-5 h-5 text-[#0085ff]") }} Social Activity</h3>
-        <svg class="widget-chevron" :class="open && 'rotate-180'" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/></svg>
+        <svg class="widget-chevron" :class="open && 'rotate-180'" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/></svg>
       </button>
       <div x-show="open" x-transition:enter="transition ease-out duration-150" x-transition:enter-start="opacity-0" x-transition:enter-end="opacity-100" x-transition:leave="transition ease-in duration-100" x-transition:leave-start="opacity-100" x-transition:leave-end="opacity-0" x-cloak>
         {% include "components/widgets/social-activity.njk" %}
@@ -187,7 +188,7 @@
     <div class="bg-surface-50 dark:bg-surface-800 rounded-lg border border-surface-200 dark:border-surface-700 shadow-sm overflow-hidden border-l-[3px] border-l-surface-400 dark:border-l-surface-500">
       <button class="widget-header w-full p-4" @click="open = !open; localStorage.setItem('{{ widgetKey }}', open)" :aria-expanded="open ? 'true' : 'false'">
         <h3 class="widget-title font-bold text-lg flex items-center gap-2">{{ icon("github", "w-5 h-5 text-surface-800 dark:text-surface-200") }} GitHub</h3>
-        <svg class="widget-chevron" :class="open && 'rotate-180'" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/></svg>
+        <svg class="widget-chevron" :class="open && 'rotate-180'" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/></svg>
       </button>
       <div x-show="open" x-transition:enter="transition ease-out duration-150" x-transition:enter-start="opacity-0" x-transition:enter-end="opacity-100" x-transition:leave="transition ease-in duration-100" x-transition:leave-start="opacity-100" x-transition:leave-end="opacity-0" x-cloak>
         {% include "components/widgets/github-repos.njk" %}
@@ -201,7 +202,7 @@
     <div class="bg-surface-50 dark:bg-surface-800 rounded-lg border border-surface-200 dark:border-surface-700 shadow-sm overflow-hidden border-l-[3px] border-l-purple-400 dark:border-l-purple-500">
       <button class="widget-header w-full p-4" @click="open = !open; localStorage.setItem('{{ widgetKey }}', open)" :aria-expanded="open ? 'true' : 'false'">
         <h3 class="widget-title font-bold text-lg flex items-center gap-2">{{ icon("headphones", "w-5 h-5 text-purple-500") }} Listening</h3>
-        <svg class="widget-chevron" :class="open && 'rotate-180'" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/></svg>
+        <svg class="widget-chevron" :class="open && 'rotate-180'" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/></svg>
       </button>
       <div x-show="open" x-transition:enter="transition ease-out duration-150" x-transition:enter-start="opacity-0" x-transition:enter-end="opacity-100" x-transition:leave="transition ease-in duration-100" x-transition:leave-start="opacity-100" x-transition:leave-end="opacity-0" x-cloak>
         {% include "components/widgets/funkwhale.njk" %}
@@ -214,8 +215,8 @@
   <div class="widget-collapsible mb-4" x-data="{ open: localStorage.getItem('{{ widgetKey }}') !== null ? localStorage.getItem('{{ widgetKey }}') === 'true' : false }">
     <div class="bg-surface-50 dark:bg-surface-800 rounded-lg border border-surface-200 dark:border-surface-700 shadow-sm overflow-hidden">
       <button class="widget-header w-full p-4" @click="open = !open; localStorage.setItem('{{ widgetKey }}', open)" :aria-expanded="open ? 'true' : 'false'">
-        <h3 class="widget-title font-bold text-lg flex items-center gap-2">{{ icon("list", "w-5 h-5 text-surface-500") }} Recent Posts</h3>
-        <svg class="widget-chevron" :class="open && 'rotate-180'" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/></svg>
+        <h3 class="widget-title font-bold text-lg flex items-center gap-2">{{ icon("list", "w-5 h-5 text-surface-600 dark:text-surface-400") }} Recent Posts</h3>
+        <svg class="widget-chevron" :class="open && 'rotate-180'" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/></svg>
       </button>
       <div x-show="open" x-transition:enter="transition ease-out duration-150" x-transition:enter-start="opacity-0" x-transition:enter-end="opacity-100" x-transition:leave="transition ease-in duration-100" x-transition:leave-start="opacity-100" x-transition:leave-end="opacity-0" x-cloak>
         {% include "components/widgets/recent-posts.njk" %}
@@ -230,7 +231,7 @@
     <div class="bg-surface-50 dark:bg-surface-800 rounded-lg border border-surface-200 dark:border-surface-700 shadow-sm overflow-hidden border-l-[3px] border-l-amber-400 dark:border-l-amber-500">
       <button class="widget-header w-full p-4" @click="open = !open; localStorage.setItem('{{ widgetKey }}', open)" :aria-expanded="open ? 'true' : 'false'">
         <h3 class="widget-title font-bold text-lg flex items-center gap-2">{{ icon("book-open", "w-5 h-5 text-amber-500") }} Blogroll</h3>
-        <svg class="widget-chevron" :class="open && 'rotate-180'" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/></svg>
+        <svg class="widget-chevron" :class="open && 'rotate-180'" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/></svg>
       </button>
       <div x-show="open" x-transition:enter="transition ease-out duration-150" x-transition:enter-start="opacity-0" x-transition:enter-end="opacity-100" x-transition:leave="transition ease-in duration-100" x-transition:leave-start="opacity-100" x-transition:leave-end="opacity-0" x-cloak>
         {% include "components/widgets/blogroll.njk" %}
@@ -246,7 +247,7 @@
     <div class="bg-surface-50 dark:bg-surface-800 rounded-lg border border-surface-200 dark:border-surface-700 shadow-sm overflow-hidden border-l-[3px] border-l-amber-400 dark:border-l-amber-500">
       <button class="widget-header w-full p-4" @click="open = !open; localStorage.setItem('{{ widgetKey }}', open)" :aria-expanded="open ? 'true' : 'false'">
         <h3 class="widget-title font-bold text-lg flex items-center gap-2">{{ icon("rss", "w-5 h-5 text-amber-500") }} FeedLand</h3>
-        <svg class="widget-chevron" :class="open && 'rotate-180'" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/></svg>
+        <svg class="widget-chevron" :class="open && 'rotate-180'" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/></svg>
       </button>
       <div x-show="open" x-transition:enter="transition ease-out duration-150" x-transition:enter-start="opacity-0" x-transition:enter-end="opacity-100" x-transition:leave="transition ease-in duration-100" x-transition:leave-start="opacity-100" x-transition:leave-end="opacity-0" x-cloak>
         {% include "components/widgets/feedland.njk" %}
@@ -260,8 +261,8 @@
   <div class="widget-collapsible mb-4" x-data="{ open: localStorage.getItem('{{ widgetKey }}') !== null ? localStorage.getItem('{{ widgetKey }}') === 'true' : false }">
     <div class="bg-surface-50 dark:bg-surface-800 rounded-lg border border-surface-200 dark:border-surface-700 shadow-sm overflow-hidden">
       <button class="widget-header w-full p-4" @click="open = !open; localStorage.setItem('{{ widgetKey }}', open)" :aria-expanded="open ? 'true' : 'false'">
-        <h3 class="widget-title font-bold text-lg flex items-center gap-2">{{ icon("chat", "w-5 h-5 text-surface-500") }} Recent Comments</h3>
-        <svg class="widget-chevron" :class="open && 'rotate-180'" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/></svg>
+        <h3 class="widget-title font-bold text-lg flex items-center gap-2">{{ icon("chat", "w-5 h-5 text-surface-600 dark:text-surface-400") }} Recent Comments</h3>
+        <svg class="widget-chevron" :class="open && 'rotate-180'" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/></svg>
       </button>
       <div x-show="open" x-transition:enter="transition ease-out duration-150" x-transition:enter-start="opacity-0" x-transition:enter-end="opacity-100" x-transition:leave="transition ease-in duration-100" x-transition:leave-start="opacity-100" x-transition:leave-end="opacity-0" x-cloak>
         {% include "components/widgets/recent-comments.njk" %}
@@ -274,8 +275,8 @@
   <div class="widget-collapsible mb-4" x-data="{ open: localStorage.getItem('{{ widgetKey }}') !== null ? localStorage.getItem('{{ widgetKey }}') === 'true' : false }">
     <div class="bg-surface-50 dark:bg-surface-800 rounded-lg border border-surface-200 dark:border-surface-700 shadow-sm overflow-hidden">
       <button class="widget-header w-full p-4" @click="open = !open; localStorage.setItem('{{ widgetKey }}', open)" :aria-expanded="open ? 'true' : 'false'">
-        <h3 class="widget-title font-bold text-lg flex items-center gap-2">{{ icon("tag", "w-5 h-5 text-surface-500") }} Categories</h3>
-        <svg class="widget-chevron" :class="open && 'rotate-180'" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/></svg>
+        <h3 class="widget-title font-bold text-lg flex items-center gap-2">{{ icon("tag", "w-5 h-5 text-surface-600 dark:text-surface-400") }} Categories</h3>
+        <svg class="widget-chevron" :class="open && 'rotate-180'" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/></svg>
       </button>
       <div x-show="open" x-transition:enter="transition ease-out duration-150" x-transition:enter-start="opacity-0" x-transition:enter-end="opacity-100" x-transition:leave="transition ease-in duration-100" x-transition:leave-start="opacity-100" x-transition:leave-end="opacity-0" x-cloak>
         {% include "components/widgets/categories.njk" %}
diff --git a/_includes/components/webmentions.njk b/_includes/components/webmentions.njk
index 04f3353..f891e45 100644
--- a/_includes/components/webmentions.njk
+++ b/_includes/components/webmentions.njk
@@ -28,22 +28,24 @@
       {{ likes.length }} Like{% if likes.length != 1 %}s{% endif %}
     </h3>
     <is-land on:visible>
-    <div class="facepile">
+    <ul class="facepile" role="list">
       {% for like in likes %}
-      <a href="{{ like.author.url }}"
-         class="facepile-avatar"
-         title="{{ like.author.name }}"
-         target="_blank"
-         rel="noopener">
-        <img
-          src="{{ like.author.photo or '/images/default-avatar.svg' }}"
-          alt="{{ like.author.name }}"
-          class="w-8 h-8 rounded-full ring-2 ring-white dark:ring-surface-900"
-          loading="lazy"
-        >
-      </a>
+      <li class="inline">
+        <a href="{{ like.author.url }}"
+           class="facepile-avatar"
+           aria-label="{{ like.author.name }} (opens in new tab)"
+           target="_blank"
+           rel="noopener">
+          <img
+            src="{{ like.author.photo or '/images/default-avatar.svg' }}"
+            alt=""
+            class="w-8 h-8 rounded-full ring-2 ring-white dark:ring-surface-900"
+            loading="lazy"
+          >
+        </a>
+      </li>
       {% endfor %}
-    </div>
+    </ul>
     </is-land>
   </div>
   {% endif %}
@@ -56,22 +58,24 @@
       {{ reposts.length }} Repost{% if reposts.length != 1 %}s{% endif %}
     </h3>
     <is-land on:visible>
-    <div class="facepile">
+    <ul class="facepile" role="list">
       {% for repost in reposts %}
-      <a href="{{ repost.author.url }}"
-         class="facepile-avatar"
-         title="{{ repost.author.name }}"
-         target="_blank"
-         rel="noopener">
-        <img
-          src="{{ repost.author.photo or '/images/default-avatar.svg' }}"
-          alt="{{ repost.author.name }}"
-          class="w-8 h-8 rounded-full ring-2 ring-white dark:ring-surface-900"
-          loading="lazy"
-        >
-      </a>
+      <li class="inline">
+        <a href="{{ repost.author.url }}"
+           class="facepile-avatar"
+           aria-label="{{ repost.author.name }} (opens in new tab)"
+           target="_blank"
+           rel="noopener">
+          <img
+            src="{{ repost.author.photo or '/images/default-avatar.svg' }}"
+            alt=""
+            class="w-8 h-8 rounded-full ring-2 ring-white dark:ring-surface-900"
+            loading="lazy"
+          >
+        </a>
+      </li>
       {% endfor %}
-    </div>
+    </ul>
     </is-land>
   </div>
   {% endif %}
@@ -84,22 +88,24 @@
       {{ bookmarks.length }} Bookmark{% if bookmarks.length != 1 %}s{% endif %}
     </h3>
     <is-land on:visible>
-    <div class="facepile">
+    <ul class="facepile" role="list">
       {% for bookmark in bookmarks %}
-      <a href="{{ bookmark.author.url }}"
-         class="facepile-avatar"
-         title="{{ bookmark.author.name }}"
-         target="_blank"
-         rel="noopener">
-        <img
-          src="{{ bookmark.author.photo or '/images/default-avatar.svg' }}"
-          alt="{{ bookmark.author.name }}"
-          class="w-8 h-8 rounded-full ring-2 ring-white dark:ring-surface-900"
-          loading="lazy"
-        >
-      </a>
+      <li class="inline">
+        <a href="{{ bookmark.author.url }}"
+           class="facepile-avatar"
+           aria-label="{{ bookmark.author.name }} (opens in new tab)"
+           target="_blank"
+           rel="noopener">
+          <img
+            src="{{ bookmark.author.photo or '/images/default-avatar.svg' }}"
+            alt=""
+            class="w-8 h-8 rounded-full ring-2 ring-white dark:ring-surface-900"
+            loading="lazy"
+          >
+        </a>
+      </li>
       {% endfor %}
-    </div>
+    </ul>
     </is-land>
   </div>
   {% endif %}
@@ -132,7 +138,7 @@
                 {{ reply.author.name }}
               </a>
               <a href="{{ reply.url }}"
-                 class="text-xs text-surface-500 hover:underline"
+                 class="text-xs text-surface-600 dark:text-surface-400 hover:underline"
                  target="_blank"
                  rel="noopener">
                 <time class="font-mono" datetime="{{ reply.published }}">
@@ -189,7 +195,9 @@
     </p>
     <form action="https://webmention.io/{{ site.webmentions.domain }}/webmention" method="post" class="flex gap-2">
       <input type="hidden" name="target" value="{{ site.url }}{{ page.url }}">
+      <label for="webmention-source" class="sr-only">Your post URL</label>
       <input
+        id="webmention-source"
         type="url"
         name="source"
         placeholder="https://your-site.com/response"
diff --git a/_includes/components/widgets/ai-usage.njk b/_includes/components/widgets/ai-usage.njk
index 977f602..004ef36 100644
--- a/_includes/components/widgets/ai-usage.njk
+++ b/_includes/components/widgets/ai-usage.njk
@@ -5,7 +5,7 @@
 <is-land on:visible>
 <div class="widget">
   <h3 class="widget-title flex items-center gap-2">
-    <svg class="w-5 h-5 text-amber-500" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+    <svg class="w-5 h-5 text-amber-500" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true">
       <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M13 10V3L4 14h7v7l9-11h-7z"/>
     </svg>
     AI Transparency
@@ -15,19 +15,19 @@
   <div class="grid grid-cols-2 gap-2 mb-3">
     <div class="text-center p-2 rounded-lg bg-surface-50 dark:bg-surface-800 border border-surface-200 dark:border-surface-700">
       <div class="text-lg font-bold text-surface-900 dark:text-surface-100">{{ stats.total }}</div>
-      <div class="text-[10px] text-surface-500 dark:text-surface-400">Total</div>
+      <div class="text-[10px] text-surface-600 dark:text-surface-400">Total</div>
     </div>
     <div class="text-center p-2 rounded-lg bg-surface-50 dark:bg-surface-800 border border-surface-200 dark:border-surface-700">
       <div class="text-lg font-bold text-amber-600 dark:text-amber-400">{{ stats.aiCount }}</div>
-      <div class="text-[10px] text-surface-500 dark:text-surface-400">AI-involved</div>
+      <div class="text-[10px] text-surface-600 dark:text-surface-400">AI-involved</div>
     </div>
     <div class="text-center p-2 rounded-lg bg-surface-50 dark:bg-surface-800 border border-surface-200 dark:border-surface-700">
       <div class="text-lg font-bold text-emerald-600 dark:text-emerald-400">{{ stats.total - stats.aiCount }}</div>
-      <div class="text-[10px] text-surface-500 dark:text-surface-400">Human-only</div>
+      <div class="text-[10px] text-surface-600 dark:text-surface-400">Human-only</div>
     </div>
     <div class="text-center p-2 rounded-lg bg-surface-50 dark:bg-surface-800 border border-surface-200 dark:border-surface-700">
       <div class="text-lg font-bold text-surface-900 dark:text-surface-100">{{ stats.percentage }}%</div>
-      <div class="text-[10px] text-surface-500 dark:text-surface-400">AI ratio</div>
+      <div class="text-[10px] text-surface-600 dark:text-surface-400">AI ratio</div>
     </div>
   </div>
 
@@ -49,13 +49,13 @@
 
   {# Compact post-graph — current year only, AI posts highlighted #}
   {% if aiPostsList and aiPostsList.length %}
-  <div class="text-[10px] text-surface-500 dark:text-surface-400 mb-2">AI-involved posts this year</div>
+  <div class="text-[10px] text-surface-600 dark:text-surface-400 mb-2">AI-involved posts this year</div>
   {% postGraph aiPostsList, { prefix: "ai-widget", limit: 1, noLabels: true, boxColorDark: "#44403c", highlightColorLight: "#d97706", highlightColorDark: "#fbbf24" } %}
   {% endif %}
 
   <a href="/ai/" class="text-sm text-amber-600 dark:text-amber-400 hover:underline flex items-center gap-1 mt-3">
     View full AI report
-    <svg class="w-3 h-3" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"/></svg>
+    <svg class="w-3 h-3" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"/></svg>
   </a>
 </div>
 </is-land>
diff --git a/_includes/components/widgets/author-card-compact.njk b/_includes/components/widgets/author-card-compact.njk
index af6457d..855882b 100644
--- a/_includes/components/widgets/author-card-compact.njk
+++ b/_includes/components/widgets/author-card-compact.njk
@@ -4,10 +4,10 @@
   <div class="h-card p-author flex items-center gap-3">
     {# Hidden u-photo for reliable microformat parsing #}
     <data class="u-photo hidden" value="{{ site.author.avatar }}"></data>
-    <a href="{{ site.author.url }}" class="u-url u-uid" rel="me" itemprop="url">
+    <a href="{{ site.author.url }}" class="u-url u-uid" rel="me" itemprop="url" aria-label="{{ site.author.name }}">
       <img
         src="{{ site.author.avatar }}"
-        alt="{{ site.author.name }}"
+        alt=""
         class="w-12 h-12 rounded-full object-cover shadow-lg"
         loading="lazy"
       >
@@ -16,9 +16,9 @@
       <a href="{{ site.author.url }}" class="u-url p-name font-medium text-surface-900 dark:text-surface-100 hover:text-accent-600 dark:hover:text-accent-400 transition-colors">
         {{ site.author.name }}
       </a>
-      <p class="p-job-title text-xs text-surface-500">{{ site.author.title }}</p>
+      <p class="p-job-title text-xs text-surface-600 dark:text-surface-400">{{ site.author.title }}</p>
       {% if site.author.locality %}
-      <p class="p-locality text-xs text-surface-500">{{ site.author.locality }}{% if site.author.country %}, <span class="p-country-name">{{ site.author.country }}</span>{% endif %}</p>
+      <p class="p-locality text-xs text-surface-600 dark:text-surface-400">{{ site.author.locality }}{% if site.author.country %}, <span class="p-country-name">{{ site.author.country }}</span>{% endif %}</p>
       {% endif %}
     </div>
   </div>
diff --git a/_includes/components/widgets/blogroll.njk b/_includes/components/widgets/blogroll.njk
index 6fa7ac7..2c62183 100644
--- a/_includes/components/widgets/blogroll.njk
+++ b/_includes/components/widgets/blogroll.njk
@@ -15,7 +15,7 @@
         @click="activeTab = tab.key"
         :class="activeTab === tab.key
           ? 'border-b-2 border-accent-600 text-accent-600 dark:text-accent-400 dark:border-accent-400'
-          : 'text-surface-500 hover:text-surface-700 dark:hover:text-surface-300'"
+          : 'text-surface-600 dark:text-surface-400 hover:text-surface-700 dark:hover:text-surface-300'"
         class="px-2 py-1 text-xs font-medium transition-colors -mb-px"
         x-text="tab.label + ' (' + tab.count + ')'"
       ></button>
@@ -40,7 +40,7 @@
     </template>
   </ul>
 
-  <div x-show="filteredBlogs.length === 0 && !loading" class="text-sm text-surface-500 py-2">
+  <div x-show="filteredBlogs.length === 0 && !loading" class="text-sm text-surface-600 dark:text-surface-400 py-2">
     No blogs loaded yet.
   </div>
 
diff --git a/_includes/components/widgets/fediverse-follow.njk b/_includes/components/widgets/fediverse-follow.njk
index 3a0d9c1..f3ca064 100644
--- a/_includes/components/widgets/fediverse-follow.njk
+++ b/_includes/components/widgets/fediverse-follow.njk
@@ -20,7 +20,7 @@
 <is-land on:visible>
 <div class="widget" x-data="fediverseInteract('{{ actorUrl }}', 'interact')">
   <h3 class="widget-title">Follow Me</h3>
-  <p class="text-sm text-surface-500 dark:text-surface-400 mb-3">Follow me from your fediverse instance.</p>
+  <p class="text-sm text-surface-600 dark:text-surface-400 mb-3">Follow me from your fediverse instance.</p>
   <a href="{{ actorUrl }}"
      @click="handleClick($event)"
      class="inline-flex items-center gap-2 px-4 py-2 rounded-lg bg-[#a730b8]/10 text-[#a730b8] hover:bg-[#a730b8]/20 transition-colors text-sm font-medium cursor-pointer"
diff --git a/_includes/components/widgets/feedland.njk b/_includes/components/widgets/feedland.njk
index 5a4b1c3..00ce86c 100644
--- a/_includes/components/widgets/feedland.njk
+++ b/_includes/components/widgets/feedland.njk
@@ -240,8 +240,8 @@
 
     {# Sort links #}
     <div class="fl-sort">
-      <span :class="sortBy === 'title' ? 'selected' : ''" @click="sortBy = 'title'">Title</span>
-      <span :class="sortBy === 'when' ? 'selected' : ''" @click="sortBy = 'when'">When</span>
+      <span :class="sortBy === 'title' ? 'selected' : ''" @click="sortBy = 'title'" @keydown.enter="sortBy = 'title'" @keydown.space.prevent="sortBy = 'title'" tabindex="0" role="button" :aria-pressed="sortBy === 'title'">Title</span>
+      <span :class="sortBy === 'when' ? 'selected' : ''" @click="sortBy = 'when'" @keydown.enter="sortBy = 'when'" @keydown.space.prevent="sortBy = 'when'" tabindex="0" role="button" :aria-pressed="sortBy === 'when'">When</span>
     </div>
 
     {# Feed list — pure divs, no table #}
@@ -253,7 +253,13 @@
           <span class="fl-caret"
                 :class="expandedId === blog.id ? 'fl-caret-dark' : (selectedId === blog.id ? 'fl-caret-dark' : 'fl-caret-light')"
                 x-text="expandedId === blog.id ? '\u25BC' : '\u25B6'"
-                @click.stop="toggleExpand(blog)"></span>
+                @click.stop="toggleExpand(blog)"
+                @keydown.enter.stop="toggleExpand(blog)"
+                @keydown.space.prevent.stop="toggleExpand(blog)"
+                tabindex="0"
+                role="button"
+                :aria-label="expandedId === blog.id ? 'Collapse ' + blog.title : 'Expand ' + blog.title"
+                :aria-expanded="expandedId === blog.id"></span>
           <span class="fl-name">
             <a :href="blog.siteUrl || blog.feedUrl" target="_blank" rel="noopener"
                x-text="blog.title" @click.stop></a>
diff --git a/_includes/components/widgets/funkwhale.njk b/_includes/components/widgets/funkwhale.njk
index 829a99b..dceb890 100644
--- a/_includes/components/widgets/funkwhale.njk
+++ b/_includes/components/widgets/funkwhale.njk
@@ -68,7 +68,7 @@
           {{ listening.track }}
           {% endif %}
         </p>
-        <p class="text-xs text-surface-500 truncate">{{ listening.artist }}
+        <p class="text-xs text-surface-600 dark:text-surface-400 truncate">{{ listening.artist }}
           <span class="text-purple-500 ml-1">Funkwhale</span>
         </p>
       </div>
@@ -97,7 +97,7 @@
           {% endif %}
           {% if scrobble.loved %}<span class="text-red-500 ml-0.5">&#9829;</span>{% endif %}
         </p>
-        <p class="text-xs text-surface-500 truncate">{{ scrobble.artist }}
+        <p class="text-xs text-surface-600 dark:text-surface-400 truncate">{{ scrobble.artist }}
           <span class="text-red-500 ml-1">Last.fm</span>
         </p>
       </div>
diff --git a/_includes/components/widgets/github-repos.njk b/_includes/components/widgets/github-repos.njk
index 18739cc..5dd550c 100644
--- a/_includes/components/widgets/github-repos.njk
+++ b/_includes/components/widgets/github-repos.njk
@@ -9,31 +9,39 @@
   </h3>
 
   {# Tab buttons — order: Commits, Repos, Featured, PRs #}
-  <div class="flex gap-1 mb-4 border-b border-surface-200 dark:border-surface-700">
+  <div class="flex gap-1 mb-4 border-b border-surface-200 dark:border-surface-700" role="tablist" aria-label="GitHub activity">
     <button
       @click="activeTab = 'commits'"
-      :class="activeTab === 'commits' ? 'border-b-2 border-accent-500 text-accent-600 dark:text-accent-400' : 'text-surface-500 hover:text-surface-700 dark:hover:text-surface-300'"
+      :class="activeTab === 'commits' ? 'border-b-2 border-accent-500 text-accent-600 dark:text-accent-400' : 'text-surface-600 dark:text-surface-400 hover:text-surface-700 dark:hover:text-surface-300'"
+      :aria-selected="(activeTab === 'commits').toString()"
+      role="tab" id="gh-tab-commits" aria-controls="gh-panel-commits"
       class="flex items-center gap-1.5 px-2 py-2 text-xs font-medium transition-colors -mb-px"
     >
       Commits
     </button>
     <button
       @click="activeTab = 'repos'"
-      :class="activeTab === 'repos' ? 'border-b-2 border-accent-500 text-accent-600 dark:text-accent-400' : 'text-surface-500 hover:text-surface-700 dark:hover:text-surface-300'"
+      :class="activeTab === 'repos' ? 'border-b-2 border-accent-500 text-accent-600 dark:text-accent-400' : 'text-surface-600 dark:text-surface-400 hover:text-surface-700 dark:hover:text-surface-300'"
+      :aria-selected="(activeTab === 'repos').toString()"
+      role="tab" id="gh-tab-repos" aria-controls="gh-panel-repos"
       class="flex items-center gap-1.5 px-2 py-2 text-xs font-medium transition-colors -mb-px"
     >
       Repos
     </button>
     <button
       @click="activeTab = 'featured'"
-      :class="activeTab === 'featured' ? 'border-b-2 border-accent-500 text-accent-600 dark:text-accent-400' : 'text-surface-500 hover:text-surface-700 dark:hover:text-surface-300'"
+      :class="activeTab === 'featured' ? 'border-b-2 border-accent-500 text-accent-600 dark:text-accent-400' : 'text-surface-600 dark:text-surface-400 hover:text-surface-700 dark:hover:text-surface-300'"
+      :aria-selected="(activeTab === 'featured').toString()"
+      role="tab" id="gh-tab-featured" aria-controls="gh-panel-featured"
       class="flex items-center gap-1.5 px-2 py-2 text-xs font-medium transition-colors -mb-px"
     >
       Featured
     </button>
     <button
       @click="activeTab = 'prs'"
-      :class="activeTab === 'prs' ? 'border-b-2 border-accent-500 text-accent-600 dark:text-accent-400' : 'text-surface-500 hover:text-surface-700 dark:hover:text-surface-300'"
+      :class="activeTab === 'prs' ? 'border-b-2 border-accent-500 text-accent-600 dark:text-accent-400' : 'text-surface-600 dark:text-surface-400 hover:text-surface-700 dark:hover:text-surface-300'"
+      :aria-selected="(activeTab === 'prs').toString()"
+      role="tab" id="gh-tab-prs" aria-controls="gh-panel-prs"
       class="flex items-center gap-1.5 px-2 py-2 text-xs font-medium transition-colors -mb-px"
     >
       PRs
@@ -44,18 +52,18 @@
   <div class="h-[420px] overflow-y-auto">
 
     {# Loading state #}
-    <div x-show="loading" class="text-sm text-surface-500 py-4 text-center">
+    <div x-show="loading" class="text-sm text-surface-600 dark:text-surface-400 py-4 text-center">
       Loading...
     </div>
 
     {# Commits Tab #}
-    <div x-show="activeTab === 'commits' && !loading" x-cloak>
+    <div x-show="activeTab === 'commits' && !loading" x-cloak role="tabpanel" id="gh-panel-commits" aria-labelledby="gh-tab-commits">
       <ul x-show="commits.length > 0" class="space-y-3">
         <template x-for="commit in commits.slice(0, 5)" :key="commit.sha">
           <li class="border-b border-surface-200 dark:border-surface-700 pb-3 last:border-0">
             <a :href="commit.url" target="_blank" rel="noopener" class="block group">
               <p class="text-sm text-surface-700 dark:text-surface-300 group-hover:text-surface-900 dark:group-hover:text-surface-100 transition-colors line-clamp-2" x-text="commit.message"></p>
-              <div class="flex items-center gap-2 mt-1.5 text-xs text-surface-500">
+              <div class="flex items-center gap-2 mt-1.5 text-xs text-surface-600 dark:text-surface-400">
                 <code class="text-xs font-mono bg-surface-100 dark:bg-surface-800 px-1 py-0.5 rounded" x-text="commit.sha"></code>
                 <span class="truncate" x-text="commit.repo?.split('/')[1] || commit.repo"></span>
                 <span class="font-mono" x-text="formatDate(commit.date)"></span>
@@ -64,11 +72,11 @@
           </li>
         </template>
       </ul>
-      <div x-show="commits.length === 0" class="text-sm text-surface-500 py-2">No recent commits.</div>
+      <div x-show="commits.length === 0" class="text-sm text-surface-600 dark:text-surface-400 py-2">No recent commits.</div>
     </div>
 
     {# Repos Tab #}
-    <div x-show="activeTab === 'repos' && !loading" x-cloak>
+    <div x-show="activeTab === 'repos' && !loading" x-cloak role="tabpanel" id="gh-panel-repos" aria-labelledby="gh-tab-repos">
       <ul x-show="repos.length > 0" class="space-y-3">
         <template x-for="repo in repos.slice(0, 5)" :key="repo.name">
           <li class="border-b border-surface-200 dark:border-surface-700 pb-3 last:border-0">
@@ -78,7 +86,7 @@
                 <span x-show="repo.language" class="text-xs px-1.5 py-0.5 rounded bg-surface-100 dark:bg-surface-800 text-surface-600 dark:text-surface-400 flex-shrink-0" x-text="repo.language"></span>
               </div>
               <p x-show="repo.description" class="text-xs text-surface-600 dark:text-surface-400 mt-1 line-clamp-2" x-text="repo.description"></p>
-              <div class="flex items-center gap-3 mt-1.5 text-xs text-surface-500">
+              <div class="flex items-center gap-3 mt-1.5 text-xs text-surface-600 dark:text-surface-400">
                 <span x-show="repo.stargazers_count > 0" class="flex items-center gap-1">
                   <svg class="w-3 h-3" fill="currentColor" viewBox="0 0 24 24"><path d="M12 17.27L18.18 21l-1.64-7.03L22 9.24l-7.19-.61L12 2 9.19 8.63 2 9.24l5.46 4.73L5.82 21z"/></svg>
                   <span x-text="repo.stargazers_count"></span>
@@ -89,11 +97,11 @@
           </li>
         </template>
       </ul>
-      <div x-show="repos.length === 0" class="text-sm text-surface-500 py-2">No repositories found.</div>
+      <div x-show="repos.length === 0" class="text-sm text-surface-600 dark:text-surface-400 py-2">No repositories found.</div>
     </div>
 
     {# Featured Tab #}
-    <div x-show="activeTab === 'featured' && !loading" x-cloak>
+    <div x-show="activeTab === 'featured' && !loading" x-cloak role="tabpanel" id="gh-panel-featured" aria-labelledby="gh-tab-featured">
       <ul x-show="featured.length > 0" class="space-y-3">
         <template x-for="repo in featured.slice(0, 5)" :key="repo.fullName || repo.name">
           <li class="border-b border-surface-200 dark:border-surface-700 pb-3 last:border-0">
@@ -103,7 +111,7 @@
                 <span x-show="repo.language" class="text-xs px-1.5 py-0.5 rounded bg-surface-100 dark:bg-surface-800 text-surface-600 dark:text-surface-400 flex-shrink-0" x-text="repo.language"></span>
               </div>
               <p x-show="repo.description" class="text-xs text-surface-600 dark:text-surface-400 mt-1 line-clamp-2" x-text="repo.description"></p>
-              <div class="flex items-center gap-3 mt-1.5 text-xs text-surface-500">
+              <div class="flex items-center gap-3 mt-1.5 text-xs text-surface-600 dark:text-surface-400">
                 <span x-show="repo.stars > 0" class="flex items-center gap-1">
                   <svg class="w-3 h-3" fill="currentColor" viewBox="0 0 24 24"><path d="M12 17.27L18.18 21l-1.64-7.03L22 9.24l-7.19-.61L12 2 9.19 8.63 2 9.24l5.46 4.73L5.82 21z"/></svg>
                   <span x-text="repo.stars"></span>
@@ -117,11 +125,11 @@
           </li>
         </template>
       </ul>
-      <div x-show="featured.length === 0" class="text-sm text-surface-500 py-2">No featured projects.</div>
+      <div x-show="featured.length === 0" class="text-sm text-surface-600 dark:text-surface-400 py-2">No featured projects.</div>
     </div>
 
     {# PRs Tab #}
-    <div x-show="activeTab === 'prs' && !loading" x-cloak>
+    <div x-show="activeTab === 'prs' && !loading" x-cloak role="tabpanel" id="gh-panel-prs" aria-labelledby="gh-tab-prs">
       <ul x-show="contributions.length > 0" class="space-y-3">
         <template x-for="item in contributions.slice(0, 5)" :key="item.url">
           <li class="border-b border-surface-200 dark:border-surface-700 pb-3 last:border-0">
@@ -136,7 +144,7 @@
                 </span>
                 <span class="text-sm text-surface-700 dark:text-surface-300 group-hover:text-surface-900 dark:group-hover:text-surface-100 transition-colors truncate" x-text="item.title"></span>
               </div>
-              <div class="flex items-center gap-2 mt-1.5 text-xs text-surface-500 pl-6">
+              <div class="flex items-center gap-2 mt-1.5 text-xs text-surface-600 dark:text-surface-400 pl-6">
                 <span x-text="item.repo?.split('/')[1] || item.repo"></span>
                 <span x-show="item.number" x-text="'#' + item.number"></span>
                 <span class="font-mono" x-text="formatDate(item.date)"></span>
@@ -145,7 +153,7 @@
           </li>
         </template>
       </ul>
-      <div x-show="contributions.length === 0" class="text-sm text-surface-500 py-2">No recent PRs or issues.</div>
+      <div x-show="contributions.length === 0" class="text-sm text-surface-600 dark:text-surface-400 py-2">No recent PRs or issues.</div>
     </div>
 
   </div>
diff --git a/_includes/components/widgets/post-navigation.njk b/_includes/components/widgets/post-navigation.njk
index f0b0155..cc52675 100644
--- a/_includes/components/widgets/post-navigation.njk
+++ b/_includes/components/widgets/post-navigation.njk
@@ -10,7 +10,7 @@
   <div class="space-y-3">
     {% if _prevPost %}
     <div class="border-b border-surface-200 dark:border-surface-700 pb-3">
-      <span class="text-xs text-surface-500 uppercase tracking-wide block mb-1">Previous</span>
+      <span class="text-xs text-surface-600 dark:text-surface-400 uppercase tracking-wide block mb-1">Previous</span>
       {% set _likedUrl = _prevPost.data.likeOf or _prevPost.data.like_of %}
       {% set _bookmarkedUrl = _prevPost.data.bookmarkOf or _prevPost.data.bookmark_of %}
       {% set _repostedUrl = _prevPost.data.repostOf or _prevPost.data.repost_of %}
@@ -36,7 +36,7 @@
     {% endif %}
     {% if _nextPost %}
     <div>
-      <span class="text-xs text-surface-500 uppercase tracking-wide block mb-1">Next</span>
+      <span class="text-xs text-surface-600 dark:text-surface-400 uppercase tracking-wide block mb-1">Next</span>
       {% set _likedUrl = _nextPost.data.likeOf or _nextPost.data.like_of %}
       {% set _bookmarkedUrl = _nextPost.data.bookmarkOf or _nextPost.data.bookmark_of %}
       {% set _repostedUrl = _nextPost.data.repostOf or _nextPost.data.repost_of %}
diff --git a/_includes/components/widgets/recent-posts-blog.njk b/_includes/components/widgets/recent-posts-blog.njk
index 075f783..54e62b1 100644
--- a/_includes/components/widgets/recent-posts-blog.njk
+++ b/_includes/components/widgets/recent-posts-blog.njk
@@ -20,7 +20,7 @@
           <a href="{{ post.url }}" class="text-sm text-accent-600 dark:text-accent-400 hover:underline line-clamp-1">
             Liked {{ _likedUrl | replace("https://", "") | truncate(40) }}
           </a>
-          <time class="text-xs text-surface-500 block font-mono" datetime="{{ post.data.published or post.date }}">
+          <time class="text-xs text-surface-600 dark:text-surface-400 block font-mono" datetime="{{ post.data.published or post.date }}">
             {{ (post.data.published or post.date) | dateDisplay }}
           </time>
         </div>
@@ -33,7 +33,7 @@
           <a href="{{ post.url }}" class="text-sm text-accent-600 dark:text-accent-400 hover:underline line-clamp-1">
             {{ post.data.title or ("Bookmarked " + (_bookmarkedUrl | replace("https://", "") | truncate(35))) }}
           </a>
-          <time class="text-xs text-surface-500 block font-mono" datetime="{{ post.data.published or post.date }}">
+          <time class="text-xs text-surface-600 dark:text-surface-400 block font-mono" datetime="{{ post.data.published or post.date }}">
             {{ (post.data.published or post.date) | dateDisplay }}
           </time>
         </div>
@@ -46,7 +46,7 @@
           <a href="{{ post.url }}" class="text-sm text-accent-600 dark:text-accent-400 hover:underline line-clamp-1">
             Reposted {{ _repostedUrl | replace("https://", "") | truncate(40) }}
           </a>
-          <time class="text-xs text-surface-500 block font-mono" datetime="{{ post.data.published or post.date }}">
+          <time class="text-xs text-surface-600 dark:text-surface-400 block font-mono" datetime="{{ post.data.published or post.date }}">
             {{ (post.data.published or post.date) | dateDisplay }}
           </time>
         </div>
@@ -59,7 +59,7 @@
           <a href="{{ post.url }}" class="text-sm text-sky-600 dark:text-sky-400 hover:underline line-clamp-1">
             Reply to {{ _replyToUrl | replace("https://", "") | truncate(40) }}
           </a>
-          <time class="text-xs text-surface-500 block font-mono" datetime="{{ post.data.published or post.date }}">
+          <time class="text-xs text-surface-600 dark:text-surface-400 block font-mono" datetime="{{ post.data.published or post.date }}">
             {{ (post.data.published or post.date) | dateDisplay }}
           </time>
         </div>
@@ -69,7 +69,7 @@
       <a href="{{ post.url }}" class="text-sm text-accent-600 dark:text-accent-400 hover:underline line-clamp-2">
         {{ post.data.title or post.data.name or (post.templateContent | striptags | truncate(50)) or "Note" }}
       </a>
-      <time class="text-xs text-surface-500 block font-mono" datetime="{{ post.data.published or post.date }}">
+      <time class="text-xs text-surface-600 dark:text-surface-400 block font-mono" datetime="{{ post.data.published or post.date }}">
         {{ (post.data.published or post.date) | dateDisplay }}
       </time>
       {% endif %}
diff --git a/_includes/components/widgets/recent-posts.njk b/_includes/components/widgets/recent-posts.njk
index 7d437ae..9b1cd47 100644
--- a/_includes/components/widgets/recent-posts.njk
+++ b/_includes/components/widgets/recent-posts.njk
@@ -22,7 +22,7 @@
           <a href="{{ post.url }}" class="text-sm text-red-600 dark:text-red-400 hover:underline break-all line-clamp-1">
             Liked {{ likedUrl | replace("https://", "") | truncate(40) }}
           </a>
-          <time class="text-xs text-surface-500 block font-mono" datetime="{{ post.data.published }}">
+          <time class="text-xs text-surface-600 dark:text-surface-400 block font-mono" datetime="{{ post.data.published }}">
             {{ (post.data.published or post.date) | dateDisplay }}
           </time>
         </div>
@@ -37,7 +37,7 @@
           <a href="{{ post.url }}" class="text-sm text-amber-600 dark:text-amber-400 hover:underline line-clamp-1">
             {{ post.data.title or ("Bookmarked " + (bookmarkedUrl | replace("https://", "") | truncate(35))) }}
           </a>
-          <time class="text-xs text-surface-500 block font-mono" datetime="{{ post.data.published }}">
+          <time class="text-xs text-surface-600 dark:text-surface-400 block font-mono" datetime="{{ post.data.published }}">
             {{ (post.data.published or post.date) | dateDisplay }}
           </time>
         </div>
@@ -52,7 +52,7 @@
           <a href="{{ post.url }}" class="text-sm text-green-600 dark:text-green-400 hover:underline break-all line-clamp-1">
             Reposted {{ repostedUrl | replace("https://", "") | truncate(40) }}
           </a>
-          <time class="text-xs text-surface-500 block font-mono" datetime="{{ post.data.published }}">
+          <time class="text-xs text-surface-600 dark:text-surface-400 block font-mono" datetime="{{ post.data.published }}">
             {{ (post.data.published or post.date) | dateDisplay }}
           </time>
         </div>
@@ -67,7 +67,7 @@
           <a href="{{ post.url }}" class="text-sm text-sky-600 dark:text-sky-400 hover:underline break-all line-clamp-1">
             Reply to {{ replyToUrl | replace("https://", "") | truncate(40) }}
           </a>
-          <time class="text-xs text-surface-500 block font-mono" datetime="{{ post.data.published }}">
+          <time class="text-xs text-surface-600 dark:text-surface-400 block font-mono" datetime="{{ post.data.published }}">
             {{ (post.data.published or post.date) | dateDisplay }}
           </time>
         </div>
@@ -83,7 +83,7 @@
           <a href="{{ post.url }}" class="text-sm text-indigo-600 dark:text-indigo-400 hover:underline line-clamp-1">
             {{ post.data.title }}
           </a>
-          <time class="text-xs text-surface-500 block font-mono" datetime="{{ post.data.published }}">
+          <time class="text-xs text-surface-600 dark:text-surface-400 block font-mono" datetime="{{ post.data.published }}">
             {{ (post.data.published or post.date) | dateDisplay }}
           </time>
         </div>
@@ -99,7 +99,7 @@
           <a href="{{ post.url }}" class="text-sm text-teal-600 dark:text-teal-400 hover:underline line-clamp-1">
             {{ post.templateContent | striptags | truncate(50) or "Note" }}
           </a>
-          <time class="text-xs text-surface-500 block font-mono" datetime="{{ post.data.published }}">
+          <time class="text-xs text-surface-600 dark:text-surface-400 block font-mono" datetime="{{ post.data.published }}">
             {{ (post.data.published or post.date) | dateDisplay }}
           </time>
         </div>
diff --git a/_includes/components/widgets/share.njk b/_includes/components/widgets/share.njk
index 472f6b3..2ab5684 100644
--- a/_includes/components/widgets/share.njk
+++ b/_includes/components/widgets/share.njk
@@ -8,7 +8,8 @@
        target="_blank"
        rel="noopener"
        class="flex-1 inline-flex items-center justify-center gap-2 px-3 py-2 rounded-lg bg-[#0085ff]/10 text-[#0085ff] hover:bg-[#0085ff]/20 transition-colors text-sm font-medium"
-       title="Share on Bluesky">
+       title="Share on Bluesky"
+       aria-label="Share on Bluesky">
       <svg class="w-4 h-4" viewBox="0 0 568 501" fill="currentColor" aria-hidden="true">
         <path d="M123.121 33.664C188.241 82.553 258.281 181.68 284 234.873c25.719-53.192 95.759-152.32 160.879-201.21C491.866-1.611 568-28.906 568 57.947c0 17.346-9.945 145.713-15.778 166.555-20.275 72.453-94.155 90.933-159.875 79.748C507.222 323.8 536.444 388.56 473.333 453.32c-119.86 122.992-172.272-30.859-185.702-70.281-2.462-7.227-3.614-10.608-3.631-7.733-.017-2.875-1.169.506-3.631 7.733-13.43 39.422-65.842 193.273-185.702 70.281-63.111-64.76-33.89-129.52 80.986-149.071-65.72 11.185-139.6-7.295-159.875-79.748C9.945 203.659 0 75.291 0 57.946 0-28.906 76.135-1.612 123.121 33.664Z"/>
       </svg>
@@ -17,7 +18,8 @@
       <a href="https://share.joinmastodon.org/#text={{ shareText | urlencode }}"
          @click="handleClick($event)"
          class="w-full inline-flex items-center justify-center gap-2 px-3 py-2 rounded-lg bg-[#a730b8]/10 text-[#a730b8] hover:bg-[#a730b8]/20 transition-colors text-sm font-medium cursor-pointer"
-         title="Share on the Fediverse (Shift+click to change instance)">
+         title="Share on the Fediverse (Shift+click to change instance)"
+         aria-label="Share on the Fediverse">
         <svg class="w-4 h-4" viewBox="0 0 24 24" fill="currentColor" aria-hidden="true">
           <path d="M13.09 4.43L24 10.73v2.51L13.09 19.58v-2.51L21.83 12 13.09 6.98v-2.55zM13.09 9.49L17.44 12l-4.35 2.51V9.49z"/><path d="M10.91 4.43L0 10.73v2.51l8.74-5.03v10.09l2.18 1.28V4.43zM6.56 12L2.18 14.51l4.35 2.51V12z"/>
         </svg>
diff --git a/_includes/components/widgets/social-activity.njk b/_includes/components/widgets/social-activity.njk
index d410324..d2b16c9 100644
--- a/_includes/components/widgets/social-activity.njk
+++ b/_includes/components/widgets/social-activity.njk
@@ -5,11 +5,13 @@
   <h3 class="widget-title">Social Activity</h3>
 
   {# Tab buttons #}
-  <div class="flex gap-1 mb-4 border-b border-surface-200 dark:border-surface-700">
+  <div class="flex gap-1 mb-4 border-b border-surface-200 dark:border-surface-700" role="tablist" aria-label="Social feeds">
     {% if blueskyFeed and blueskyFeed.length %}
     <button
       @click="activeTab = 'bluesky'"
-      :class="activeTab === 'bluesky' ? 'border-b-2 border-[#0085ff] text-[#0085ff]' : 'text-surface-500 hover:text-surface-700 dark:hover:text-surface-300'"
+      :class="activeTab === 'bluesky' ? 'border-b-2 border-[#0085ff] text-[#0085ff]' : 'text-surface-600 dark:text-surface-400 hover:text-surface-700 dark:hover:text-surface-300'"
+      :aria-selected="(activeTab === 'bluesky').toString()"
+      role="tab" id="social-tab-bluesky" aria-controls="social-panel-bluesky"
       class="flex items-center gap-1.5 px-3 py-2 text-sm font-medium transition-colors -mb-px"
     >
       <svg class="w-4 h-4 text-[#0085ff]" fill="currentColor" viewBox="0 0 24 24" aria-hidden="true">
@@ -21,7 +23,9 @@
     {% if mastodonFeed and mastodonFeed.length %}
     <button
       @click="activeTab = 'mastodon'"
-      :class="activeTab === 'mastodon' ? 'border-b-2 border-[#a730b8] text-[#a730b8]' : 'text-surface-500 hover:text-surface-700 dark:hover:text-surface-300'"
+      :class="activeTab === 'mastodon' ? 'border-b-2 border-[#a730b8] text-[#a730b8]' : 'text-surface-600 dark:text-surface-400 hover:text-surface-700 dark:hover:text-surface-300'"
+      :aria-selected="(activeTab === 'mastodon').toString()"
+      role="tab" id="social-tab-mastodon" aria-controls="social-panel-mastodon"
       class="flex items-center gap-1.5 px-3 py-2 text-sm font-medium transition-colors -mb-px"
     >
       <svg class="w-4 h-4 text-[#6364ff]" fill="currentColor" viewBox="0 0 24 24" aria-hidden="true">
@@ -34,7 +38,7 @@
 
   {# Bluesky Tab Content #}
   {% if blueskyFeed and blueskyFeed.length %}
-  <div x-show="activeTab === 'bluesky'" x-cloak>
+  <div x-show="activeTab === 'bluesky'" x-cloak role="tabpanel" id="social-panel-bluesky" aria-labelledby="social-tab-bluesky">
     <ul class="space-y-3">
       {% for post in blueskyFeed | head(5) %}
       <li class="border-b border-surface-200 dark:border-surface-700 pb-3 last:border-0">
@@ -42,7 +46,7 @@
           <p class="text-sm text-surface-700 dark:text-surface-300 group-hover:text-[#0085ff] transition-colors">
             {{ post.text | truncate(140) }}
           </p>
-          <div class="flex items-center gap-3 mt-2 text-xs text-surface-500">
+          <div class="flex items-center gap-3 mt-2 text-xs text-surface-600 dark:text-surface-400">
             <time class="font-mono" datetime="{{ post.createdAt }}">{{ post.createdAt | date("MMM d, yyyy") }}</time>
             {% if post.likeCount > 0 %}
             <span class="flex items-center gap-1">
@@ -64,7 +68,7 @@
 
   {# Mastodon Tab Content #}
   {% if mastodonFeed and mastodonFeed.length %}
-  <div x-show="activeTab === 'mastodon'" x-cloak>
+  <div x-show="activeTab === 'mastodon'" x-cloak role="tabpanel" id="social-panel-mastodon" aria-labelledby="social-tab-mastodon">
     <ul class="space-y-3">
       {% for post in mastodonFeed | head(5) %}
       <li class="border-b border-surface-200 dark:border-surface-700 pb-3 last:border-0">
@@ -72,7 +76,7 @@
           <p class="text-sm text-surface-700 dark:text-surface-300 group-hover:text-[#a730b8] transition-colors">
             {{ post.text | truncate(140) }}
           </p>
-          <div class="flex items-center gap-3 mt-2 text-xs text-surface-500">
+          <div class="flex items-center gap-3 mt-2 text-xs text-surface-600 dark:text-surface-400">
             <time class="font-mono" datetime="{{ post.createdAt }}">{{ post.createdAt | date("MMM d, yyyy") }}</time>
             {% if post.favouritesCount > 0 %}
             <span class="flex items-center gap-1">
diff --git a/_includes/components/widgets/subscribe.njk b/_includes/components/widgets/subscribe.njk
index 4450dd2..062a7c5 100644
--- a/_includes/components/widgets/subscribe.njk
+++ b/_includes/components/widgets/subscribe.njk
@@ -4,13 +4,13 @@
   <h3 class="widget-title">Subscribe</h3>
   <div class="space-y-2">
     <a href="/feed.xml" class="flex items-center gap-2 text-sm text-surface-600 dark:text-surface-400 hover:text-orange-600 dark:hover:text-orange-400 hover:underline transition-colors">
-      <svg class="w-4 h-4 text-orange-500" fill="currentColor" viewBox="0 0 24 24">
+      <svg class="w-4 h-4 text-orange-500" fill="currentColor" viewBox="0 0 24 24" aria-hidden="true">
         <path d="M6.18 15.64a2.18 2.18 0 0 1 2.18 2.18C8.36 19 7.38 20 6.18 20C5 20 4 19 4 17.82a2.18 2.18 0 0 1 2.18-2.18M4 4.44A15.56 15.56 0 0 1 19.56 20h-2.83A12.73 12.73 0 0 0 4 7.27V4.44m0 5.66a9.9 9.9 0 0 1 9.9 9.9h-2.83A7.07 7.07 0 0 0 4 12.93V10.1Z"/>
       </svg>
       RSS Feed
     </a>
     <a href="/feed.json" class="flex items-center gap-2 text-sm text-surface-600 dark:text-surface-400 hover:text-orange-600 dark:hover:text-orange-400 hover:underline transition-colors">
-      <svg class="w-4 h-4 text-yellow-500" fill="currentColor" viewBox="0 0 24 24">
+      <svg class="w-4 h-4 text-yellow-500" fill="currentColor" viewBox="0 0 24 24" aria-hidden="true">
         <path d="M5 3h14a2 2 0 0 1 2 2v14a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2m3 12h2v2H8v-2m4-8h2v10h-2V7m4 4h2v6h-2v-6Z"/>
       </svg>
       JSON Feed
diff --git a/_includes/components/widgets/toc.njk b/_includes/components/widgets/toc.njk
index 8396b5e..9dc9035 100644
--- a/_includes/components/widgets/toc.njk
+++ b/_includes/components/widgets/toc.njk
@@ -3,7 +3,7 @@
 <is-land on:visible>
 <div class="widget">
   <h3 class="widget-title">Contents</h3>
-  <nav class="toc">
+  <nav class="toc" aria-label="Table of contents">
     <ul class="space-y-1 text-sm">
       {% for item in toc %}
       <li class="{% if item.level > 2 %}ml-{{ (item.level - 2) * 3 }}{% endif %}">
diff --git a/_includes/components/widgets/webmentions.njk b/_includes/components/widgets/webmentions.njk
index ae51b4d..95dd683 100644
--- a/_includes/components/widgets/webmentions.njk
+++ b/_includes/components/widgets/webmentions.njk
@@ -14,14 +14,14 @@
   <div class="flex border-b border-surface-200 dark:border-surface-700 mb-3">
     <button
       @click="tab = 'inbound'"
-      :class="tab === 'inbound' ? 'border-accent-500 text-accent-600 dark:text-accent-400' : 'border-transparent text-surface-500 hover:text-surface-700 dark:hover:text-surface-300'"
+      :class="tab === 'inbound' ? 'border-accent-500 text-accent-600 dark:text-accent-400' : 'border-transparent text-surface-600 dark:text-surface-400 hover:text-surface-700 dark:hover:text-surface-300'"
       class="px-2 py-1.5 text-xs font-medium border-b-2 -mb-px transition-colors">
       Received
       <span x-show="mentions.length" x-text="mentions.length" class="ml-0.5 text-xs opacity-75"></span>
     </button>
     <button
       @click="tab = 'outbound'"
-      :class="tab === 'outbound' ? 'border-accent-500 text-accent-600 dark:text-accent-400' : 'border-transparent text-surface-500 hover:text-surface-700 dark:hover:text-surface-300'"
+      :class="tab === 'outbound' ? 'border-accent-500 text-accent-600 dark:text-accent-400' : 'border-transparent text-surface-600 dark:text-surface-400 hover:text-surface-700 dark:hover:text-surface-300'"
       class="px-2 py-1.5 text-xs font-medium border-b-2 -mb-px transition-colors">
       Sent
     </button>
@@ -52,14 +52,14 @@
             <span x-show="wm['wm-property'] === 'in-reply-to'" class="text-sky-500"> replied to</span>
             <span x-show="wm['wm-property'] === 'mention-of'" class="text-amber-500"> mentioned</span>
             <span x-show="wm['wm-property'] === 'bookmark-of'" class="text-purple-500"> bookmarked</span>
-            <a :href="wm['wm-target']" class="text-surface-500 hover:underline block truncate" x-text="formatPath(wm['wm-target'])"></a>
+            <a :href="wm['wm-target']" class="text-surface-600 dark:text-surface-400 hover:underline block truncate" x-text="formatPath(wm['wm-target'])"></a>
           </div>
         </div>
       </template>
     </div>
 
     {# Empty #}
-    <p x-show="!loading && !mentions.length && !error" class="text-xs text-surface-500 py-2">No webmentions received yet.</p>
+    <p x-show="!loading && !mentions.length && !error" class="text-xs text-surface-600 dark:text-surface-400 py-2">No webmentions received yet.</p>
 
     {# Error #}
     <p x-show="error" class="text-xs text-red-500 py-2" x-text="error"></p>
diff --git a/_includes/layouts/base.njk b/_includes/layouts/base.njk
index 45c2d6c..79b6616 100644
--- a/_includes/layouts/base.njk
+++ b/_includes/layouts/base.njk
@@ -135,18 +135,19 @@
       }
     })();
   </script>
+  <a href="#main-content" class="skip-link">Skip to main content</a>
   <header class="site-header">
     <div class="container header-container">
       <a href="/" class="site-title">{{ site.name }}</a>
 
       {# Mobile menu button #}
       <button id="menu-toggle" type="button" class="menu-toggle" aria-label="Toggle menu" aria-expanded="false">
-        <svg class="menu-icon" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round">
+        <svg class="menu-icon" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" aria-hidden="true">
           <line x1="3" y1="6" x2="21" y2="6"/>
           <line x1="3" y1="12" x2="21" y2="12"/>
           <line x1="3" y1="18" x2="21" y2="18"/>
         </svg>
-        <svg class="close-icon hidden" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round">
+        <svg class="close-icon hidden" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" aria-hidden="true">
           <line x1="18" y1="6" x2="6" y2="18"/>
           <line x1="6" y1="6" x2="18" y2="18"/>
         </svg>
@@ -159,33 +160,33 @@
           <a href="/about/">About</a>
           <a href="/now/">Now</a>
           {# Blog dropdown #}
-          <div class="nav-dropdown" x-data="{ open: false }" @mouseenter="open = true" @mouseleave="open = false">
-            <a href="/blog/" class="nav-dropdown-trigger">
+          <div class="nav-dropdown" x-data="{ open: false }" @mouseenter="open = true" @mouseleave="open = false" @focusin="open = true" @focusout="!$el.contains($event.relatedTarget) && (open = false)" @keydown.escape="open = false">
+            <a href="/blog/" class="nav-dropdown-trigger" :aria-expanded="open.toString()" aria-haspopup="true">
               Blog
-              <svg class="w-3 h-3 ml-1 inline" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+              <svg class="w-3 h-3 ml-1 inline" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true">
                 <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/>
               </svg>
             </a>
-            <div class="nav-dropdown-menu" x-show="open" x-transition x-cloak>
-              <a href="/blog/">All Posts</a>
+            <div class="nav-dropdown-menu" x-show="open" x-transition x-cloak role="menu">
+              <a href="/blog/" role="menuitem">All Posts</a>
               {% for pt in enabledPostTypes %}
-              <a href="{{ pt.path }}">{{ pt.label }}</a>
+              <a href="{{ pt.path }}" role="menuitem">{{ pt.label }}</a>
               {% endfor %}
             </div>
           </div>
           {# Pages dropdown #}
-          <div class="nav-dropdown" x-data="{ open: false }" @mouseenter="open = true" @mouseleave="open = false">
-            <a href="/slashes/" class="nav-dropdown-trigger">
+          <div class="nav-dropdown" x-data="{ open: false }" @mouseenter="open = true" @mouseleave="open = false" @focusin="open = true" @focusout="!$el.contains($event.relatedTarget) && (open = false)" @keydown.escape="open = false">
+            <a href="/slashes/" class="nav-dropdown-trigger" :aria-expanded="open.toString()" aria-haspopup="true">
               Pages
-              <svg class="w-3 h-3 ml-1 inline" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+              <svg class="w-3 h-3 ml-1 inline" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true">
                 <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/>
               </svg>
             </a>
-            <div class="nav-dropdown-menu" x-show="open" x-transition x-cloak>
-              {% if blogrollStatus and blogrollStatus.source == "indiekit" %}<a href="/blogroll/">Blogroll</a>{% endif %}
-              {% if podrollStatus and podrollStatus.source == "indiekit" %}<a href="/podroll/">Podroll</a>{% endif %}
-              {% if newsActivity and newsActivity.source == "indiekit" %}<a href="/news/">News</a>{% endif %}
-              <a href="/slashes/">All Pages</a>
+            <div class="nav-dropdown-menu" x-show="open" x-transition x-cloak role="menu">
+              {% if blogrollStatus and blogrollStatus.source == "indiekit" %}<a href="/blogroll/" role="menuitem">Blogroll</a>{% endif %}
+              {% if podrollStatus and podrollStatus.source == "indiekit" %}<a href="/podroll/" role="menuitem">Podroll</a>{% endif %}
+              {% if newsActivity and newsActivity.source == "indiekit" %}<a href="/news/" role="menuitem">News</a>{% endif %}
+              <a href="/slashes/" role="menuitem">All Pages</a>
             </div>
           </div>
           <a href="/interactions/">Interactions</a>
@@ -196,23 +197,23 @@
              x-transition
              @indiekit:auth.window="show = $event.detail.loggedIn"
              class="admin-nav-link">
-            <svg class="w-4 h-4 inline -mt-0.5" fill="none" stroke="currentColor" viewBox="0 0 24 24" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
+            <svg class="w-4 h-4 inline -mt-0.5" fill="none" stroke="currentColor" viewBox="0 0 24 24" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true">
               <rect x="3" y="3" width="7" height="7"/><rect x="14" y="3" width="7" height="7"/><rect x="3" y="14" width="7" height="7"/><rect x="14" y="14" width="7" height="7"/>
             </svg>
             Dashboard
           </a>
         </nav>
         <a href="/search/" aria-label="Search" title="Search" class="p-2 rounded-lg text-surface-600 dark:text-surface-400 hover:bg-surface-100 dark:hover:bg-surface-800 transition-colors">
-          <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
+          <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true">
             <circle cx="11" cy="11" r="8"/><path d="M21 21l-4.35-4.35"/>
           </svg>
         </a>
         <button id="theme-toggle" type="button" class="theme-toggle" aria-label="Toggle dark mode" title="Toggle dark mode">
-          <svg class="sun-icon" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
+          <svg class="sun-icon" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" aria-hidden="true">
             <circle cx="12" cy="12" r="5"/>
             <path d="M12 1v2M12 21v2M4.22 4.22l1.42 1.42M18.36 18.36l1.42 1.42M1 12h2M21 12h2M4.22 19.78l1.42-1.42M18.36 5.64l1.42-1.42"/>
           </svg>
-          <svg class="moon-icon" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
+          <svg class="moon-icon" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" aria-hidden="true">
             <path d="M21 12.79A9 9 0 1 1 11.21 3 7 7 0 0 0 21 12.79z"/>
           </svg>
         </button>
@@ -226,13 +227,13 @@
       <a href="/now/">Now</a>
       {# Blog section #}
       <div class="mobile-nav-section">
-        <button type="button" class="mobile-nav-toggle" @click="blogOpen = !blogOpen">
+        <button type="button" class="mobile-nav-toggle" @click="blogOpen = !blogOpen" :aria-expanded="blogOpen.toString()" aria-controls="mobile-blog-submenu">
           Blog
-          <svg class="w-4 h-4 transition-transform" :class="{ 'rotate-180': blogOpen }" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+          <svg class="w-4 h-4 transition-transform" :class="{ 'rotate-180': blogOpen }" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true">
             <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/>
           </svg>
         </button>
-        <div class="mobile-nav-submenu" x-show="blogOpen" x-collapse>
+        <div id="mobile-blog-submenu" class="mobile-nav-submenu" x-show="blogOpen" x-collapse>
           <a href="/blog/">All Posts</a>
           {% for pt in enabledPostTypes %}
           <a href="{{ pt.path }}">{{ pt.label }}</a>
@@ -241,13 +242,13 @@
       </div>
       {# Pages section #}
       <div class="mobile-nav-section">
-        <button type="button" class="mobile-nav-toggle" @click="pagesOpen = !pagesOpen">
+        <button type="button" class="mobile-nav-toggle" @click="pagesOpen = !pagesOpen" :aria-expanded="pagesOpen.toString()" aria-controls="mobile-pages-submenu">
           Pages
-          <svg class="w-4 h-4 transition-transform" :class="{ 'rotate-180': pagesOpen }" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+          <svg class="w-4 h-4 transition-transform" :class="{ 'rotate-180': pagesOpen }" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true">
             <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/>
           </svg>
         </button>
-        <div class="mobile-nav-submenu" x-show="pagesOpen" x-collapse>
+        <div id="mobile-pages-submenu" class="mobile-nav-submenu" x-show="pagesOpen" x-collapse>
           {% if blogrollStatus and blogrollStatus.source == "indiekit" %}<a href="/blogroll/">Blogroll</a>{% endif %}
           {% if podrollStatus and podrollStatus.source == "indiekit" %}<a href="/podroll/">Podroll</a>{% endif %}
           {% if newsActivity and newsActivity.source == "indiekit" %}<a href="/news/">News</a>{% endif %}
@@ -267,11 +268,11 @@
       <button type="button" class="mobile-theme-toggle" aria-label="Toggle dark mode">
         <span class="theme-label">Theme</span>
         <span class="theme-icons">
-          <svg class="sun-icon" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
+          <svg class="sun-icon" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" aria-hidden="true">
             <circle cx="12" cy="12" r="5"/>
             <path d="M12 1v2M12 21v2M4.22 4.22l1.42 1.42M18.36 18.36l1.42 1.42M1 12h2M21 12h2M4.22 19.78l1.42-1.42M18.36 5.64l1.42-1.42"/>
           </svg>
-          <svg class="moon-icon" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
+          <svg class="moon-icon" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" aria-hidden="true">
             <path d="M21 12.79A9 9 0 1 1 11.21 3 7 7 0 0 0 21 12.79z"/>
           </svg>
         </span>
@@ -279,7 +280,7 @@
     </nav>
   </header>
 
-  <main class="container py-8" data-pagefind-body>
+  <main class="container py-8" id="main-content" data-pagefind-body>
     {# Skeleton loader — shown until Tailwind stylesheet loads #}
     <div class="page-skeleton" aria-hidden="true">
       <div style="display:flex;gap:1.5rem;align-items:flex-start;margin-bottom:2rem">
@@ -329,7 +330,7 @@
       <div class="grid grid-cols-2 md:grid-cols-4 gap-8 mb-8">
         {# Navigate #}
         <div>
-          <h4 class="text-sm font-semibold uppercase tracking-wider text-surface-500 dark:text-surface-400 mb-3">Navigate</h4>
+          <h4 class="text-sm font-semibold uppercase tracking-wider text-surface-600 dark:text-surface-400 mb-3">Navigate</h4>
           <ul class="space-y-2">
             <li><a href="/" class="text-sm text-surface-600 dark:text-surface-400 hover:text-surface-900 dark:hover:text-surface-100 hover:underline">Home</a></li>
             <li><a href="/about/" class="text-sm text-surface-600 dark:text-surface-400 hover:text-surface-900 dark:hover:text-surface-100 hover:underline">About</a></li>
@@ -339,7 +340,7 @@
         </div>
         {# Content #}
         <div>
-          <h4 class="text-sm font-semibold uppercase tracking-wider text-surface-500 dark:text-surface-400 mb-3">Content</h4>
+          <h4 class="text-sm font-semibold uppercase tracking-wider text-surface-600 dark:text-surface-400 mb-3">Content</h4>
           <ul class="space-y-2">
             <li><a href="/blog/" class="text-sm text-surface-600 dark:text-surface-400 hover:text-surface-900 dark:hover:text-surface-100 hover:underline">Blog</a></li>
             {% for pt in enabledPostTypes %}
@@ -350,7 +351,7 @@
         </div>
         {# Connect #}
         <div>
-          <h4 class="text-sm font-semibold uppercase tracking-wider text-surface-500 dark:text-surface-400 mb-3">Connect</h4>
+          <h4 class="text-sm font-semibold uppercase tracking-wider text-surface-600 dark:text-surface-400 mb-3">Connect</h4>
           <ul class="space-y-2">
             {% for social in site.social %}
             <li><a href="{{ social.url }}" rel="{{ social.rel }}" target="_blank" class="text-sm text-surface-600 dark:text-surface-400 hover:text-surface-900 dark:hover:text-surface-100 hover:underline">{{ social.name }}</a></li>
@@ -359,7 +360,7 @@
         </div>
         {# Meta #}
         <div>
-          <h4 class="text-sm font-semibold uppercase tracking-wider text-surface-500 dark:text-surface-400 mb-3">Meta</h4>
+          <h4 class="text-sm font-semibold uppercase tracking-wider text-surface-600 dark:text-surface-400 mb-3">Meta</h4>
           <ul class="space-y-2">
             <li><a href="/feed.xml" class="text-sm text-surface-600 dark:text-surface-400 hover:text-surface-900 dark:hover:text-surface-100 hover:underline">RSS Feed</a></li>
             <li><a href="/feed.json" class="text-sm text-surface-600 dark:text-surface-400 hover:text-surface-900 dark:hover:text-surface-100 hover:underline">JSON Feed</a></li>
@@ -367,7 +368,7 @@
           </ul>
         </div>
       </div>
-      <p class="text-center text-sm text-surface-500 dark:text-surface-400">Powered by <a href="https://getindiekit.com" class="hover:text-surface-900 dark:hover:text-surface-100 hover:underline">Indiekit</a> + <a href="https://11ty.dev" class="hover:text-surface-900 dark:hover:text-surface-100 hover:underline">Eleventy</a></p>
+      <p class="text-center text-sm text-surface-600 dark:text-surface-400">Powered by <a href="https://getindiekit.com" class="hover:text-surface-900 dark:hover:text-surface-100 hover:underline">Indiekit</a> + <a href="https://11ty.dev" class="hover:text-surface-900 dark:hover:text-surface-100 hover:underline">Eleventy</a></p>
     </div>
   </footer>
   <script>
@@ -469,43 +470,43 @@
          x-transition:leave="transition ease-in duration-150"
          x-transition:leave-start="opacity-100 translate-y-0"
          x-transition:leave-end="opacity-0 translate-y-4"
-         class="fab-menu">
+         class="fab-menu" role="menu" aria-label="Create new post">
       {% if mpUrl %}
-      <a href="/posts/edit?url={{ mpUrl | urlencode }}" @click="open = false" class="fab-menu-item" rel="nofollow">
-        <svg class="w-5 h-5 text-accent-500" fill="none" stroke="currentColor" viewBox="0 0 24 24" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
+      <a href="/posts/edit?url={{ mpUrl | urlencode }}" @click="open = false" class="fab-menu-item" rel="nofollow" role="menuitem">
+        <svg class="w-5 h-5 text-accent-500" fill="none" stroke="currentColor" viewBox="0 0 24 24" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true">
           <path d="M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7"/>
           <path d="M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z"/>
         </svg>
         <span>Edit this post</span>
       </a>
-      <div class="fab-menu-divider"></div>
+      <div class="fab-menu-divider" role="separator"></div>
       {% endif %}
-      <a href="/posts/create?type=page" @click="open = false" class="fab-menu-item" rel="nofollow">
-        <svg class="w-5 h-5 text-surface-500" fill="none" stroke="currentColor" viewBox="0 0 24 24" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
+      <a href="/posts/create?type=page" @click="open = false" class="fab-menu-item" rel="nofollow" role="menuitem">
+        <svg class="w-5 h-5 text-surface-600 dark:text-surface-400" fill="none" stroke="currentColor" viewBox="0 0 24 24" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true">
           <path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z"/><polyline points="14 2 14 8 20 8"/>
         </svg>
         <span>Page</span>
       </a>
-      <a href="/posts/create?type=bookmark" @click="open = false" class="fab-menu-item" rel="nofollow">
-        <svg class="w-5 h-5 text-surface-500" fill="none" stroke="currentColor" viewBox="0 0 24 24" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
+      <a href="/posts/create?type=bookmark" @click="open = false" class="fab-menu-item" rel="nofollow" role="menuitem">
+        <svg class="w-5 h-5 text-surface-600 dark:text-surface-400" fill="none" stroke="currentColor" viewBox="0 0 24 24" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true">
           <path d="M19 21l-7-5-7 5V5a2 2 0 0 1 2-2h10a2 2 0 0 1 2 2z"/>
         </svg>
         <span>Bookmark</span>
       </a>
-      <a href="/posts/create?type=photo" @click="open = false" class="fab-menu-item" rel="nofollow">
-        <svg class="w-5 h-5 text-surface-500" fill="none" stroke="currentColor" viewBox="0 0 24 24" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
+      <a href="/posts/create?type=photo" @click="open = false" class="fab-menu-item" rel="nofollow" role="menuitem">
+        <svg class="w-5 h-5 text-surface-600 dark:text-surface-400" fill="none" stroke="currentColor" viewBox="0 0 24 24" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true">
           <rect x="3" y="3" width="18" height="18" rx="2"/><circle cx="8.5" cy="8.5" r="1.5"/><polyline points="21 15 16 10 5 21"/>
         </svg>
         <span>Photo</span>
       </a>
-      <a href="/posts/create?type=article" @click="open = false" class="fab-menu-item" rel="nofollow">
-        <svg class="w-5 h-5 text-surface-500" fill="none" stroke="currentColor" viewBox="0 0 24 24" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
+      <a href="/posts/create?type=article" @click="open = false" class="fab-menu-item" rel="nofollow" role="menuitem">
+        <svg class="w-5 h-5 text-surface-600 dark:text-surface-400" fill="none" stroke="currentColor" viewBox="0 0 24 24" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true">
           <path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z"/><polyline points="14 2 14 8 20 8"/><line x1="16" y1="13" x2="8" y2="13"/><line x1="16" y1="17" x2="8" y2="17"/><polyline points="10 9 9 9 8 9"/>
         </svg>
         <span>Article</span>
       </a>
-      <a href="/posts/create?type=note" @click="open = false" class="fab-menu-item" rel="nofollow">
-        <svg class="w-5 h-5 text-surface-500" fill="none" stroke="currentColor" viewBox="0 0 24 24" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
+      <a href="/posts/create?type=note" @click="open = false" class="fab-menu-item" rel="nofollow" role="menuitem">
+        <svg class="w-5 h-5 text-surface-600 dark:text-surface-400" fill="none" stroke="currentColor" viewBox="0 0 24 24" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true">
           <path d="M12 20h9"/><path d="M16.5 3.5a2.121 2.121 0 0 1 3 3L7 19l-4 1 1-4L16.5 3.5z"/>
         </svg>
         <span>Note</span>
@@ -515,8 +516,9 @@
     <button @click="open = !open"
             class="fab-button"
             :aria-expanded="open"
-            aria-label="Create new post">
-      <svg class="w-7 h-7 transition-transform duration-200" :class="{ 'rotate-45': open }" fill="none" stroke="currentColor" viewBox="0 0 24 24" stroke-width="2.5" stroke-linecap="round">
+            aria-label="Create new post"
+            aria-haspopup="menu">
+      <svg class="w-7 h-7 transition-transform duration-200" :class="{ 'rotate-45': open }" fill="none" stroke="currentColor" viewBox="0 0 24 24" stroke-width="2.5" stroke-linecap="round" aria-hidden="true">
         <line x1="12" y1="5" x2="12" y2="19"/><line x1="5" y1="12" x2="19" y2="12"/>
       </svg>
     </button>
diff --git a/_includes/layouts/home.njk b/_includes/layouts/home.njk
index 67c6bed..1a90b60 100644
--- a/_includes/layouts/home.njk
+++ b/_includes/layouts/home.njk
@@ -90,7 +90,7 @@ withSidebar: true
       {% if post.data.summary %}
       <p class="text-sm text-surface-600 dark:text-surface-400 mb-2 line-clamp-2">{{ post.data.summary }}</p>
       {% endif %}
-      <div class="flex items-center gap-3 text-xs text-surface-500">
+      <div class="flex items-center gap-3 text-xs text-surface-600 dark:text-surface-400">
         <time class="font-mono" datetime="{{ post.data.published or post.date }}">
           {{ (post.data.published or post.date) | date("MMM d, yyyy") }}
         </time>
diff --git a/_includes/layouts/page.njk b/_includes/layouts/page.njk
index 10660cf..dae7781 100644
--- a/_includes/layouts/page.njk
+++ b/_includes/layouts/page.njk
@@ -16,7 +16,7 @@ withSidebar: true
     </p>
     {% endif %}
     {% if updated %}
-    <p class="text-sm text-surface-500 dark:text-surface-400 mt-2">
+    <p class="text-sm text-surface-600 dark:text-surface-400 mt-2">
       Last updated: <time class="dt-updated font-mono text-sm" datetime="{{ updated | isoDate }}">{{ updated | dateDisplay }}</time>
     </p>
     {% endif %}
@@ -35,19 +35,19 @@ withSidebar: true
     <div class="grid gap-4 sm:grid-cols-4 mb-6">
       <div class="text-center p-3 rounded-lg bg-surface-50 dark:bg-surface-800 border border-surface-200 dark:border-surface-700 shadow-sm">
         <div class="text-2xl font-bold text-surface-900 dark:text-surface-100">{{ stats.total }}</div>
-        <div class="text-xs text-surface-500 dark:text-surface-400">Total posts</div>
+        <div class="text-xs text-surface-600 dark:text-surface-400">Total posts</div>
       </div>
       <div class="text-center p-3 rounded-lg bg-surface-50 dark:bg-surface-800 border border-surface-200 dark:border-surface-700 shadow-sm">
         <div class="text-2xl font-bold text-amber-600 dark:text-amber-400">{{ stats.aiCount }}</div>
-        <div class="text-xs text-surface-500 dark:text-surface-400">AI-involved</div>
+        <div class="text-xs text-surface-600 dark:text-surface-400">AI-involved</div>
       </div>
       <div class="text-center p-3 rounded-lg bg-surface-50 dark:bg-surface-800 border border-surface-200 dark:border-surface-700 shadow-sm">
         <div class="text-2xl font-bold text-emerald-600 dark:text-emerald-400">{{ stats.total - stats.aiCount }}</div>
-        <div class="text-xs text-surface-500 dark:text-surface-400">Human-only</div>
+        <div class="text-xs text-surface-600 dark:text-surface-400">Human-only</div>
       </div>
       <div class="text-center p-3 rounded-lg bg-surface-50 dark:bg-surface-800 border border-surface-200 dark:border-surface-700 shadow-sm">
         <div class="text-2xl font-bold text-surface-900 dark:text-surface-100">{{ stats.percentage }}%</div>
-        <div class="text-xs text-surface-500 dark:text-surface-400">AI ratio</div>
+        <div class="text-xs text-surface-600 dark:text-surface-400">AI ratio</div>
       </div>
     </div>
 
@@ -69,7 +69,7 @@ withSidebar: true
 
     {# Post graph showing AI posts (highlighted) on the full year grid #}
     <h3 class="text-lg font-semibold text-surface-900 dark:text-surface-100 mb-3">AI-Involved Posts Over Time</h3>
-    <p class="text-sm text-surface-500 dark:text-surface-400 mb-4">Highlighted days had posts with AI involvement (level 1+). Empty boxes represent days with no AI-involved posts.</p>
+    <p class="text-sm text-surface-600 dark:text-surface-400 mb-4">Highlighted days had posts with AI involvement (level 1+). Empty boxes represent days with no AI-involved posts.</p>
     {% postGraph aiPostsList, { prefix: "ai", highlightColorLight: "#d97706", highlightColorDark: "#fbbf24" } %}
   </section>
   {% endif %}
@@ -82,7 +82,7 @@ withSidebar: true
   {% if aiTextLevel or aiCodeLevel or aiTools %}
   <aside class="mt-6 p-4 rounded-lg bg-surface-50 dark:bg-surface-800/50 border border-surface-200 dark:border-surface-700 shadow-sm">
     <div class="flex items-center gap-2 mb-2">
-      <svg class="w-4 h-4 text-surface-500 dark:text-surface-400 flex-shrink-0" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true">
+      <svg class="w-4 h-4 text-surface-600 dark:text-surface-400 flex-shrink-0" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true">
         <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9.75 3.104v5.714a2.25 2.25 0 01-.659 1.591L5 14.5M9.75 3.104c-.251.023-.501.05-.75.082m.75-.082a24.301 24.301 0 014.5 0m0 0v5.714a2.25 2.25 0 00.659 1.591L19 14.5M14.25 3.104c.251.023.501.05.75.082M19 14.5l-2.47 2.47a2.25 2.25 0 01-1.59.659H9.06a2.25 2.25 0 01-1.591-.659L5 14.5m14 0V17a2 2 0 01-2 2H7a2 2 0 01-2-2v-2.5"/>
       </svg>
       <strong class="text-sm font-semibold text-surface-700 dark:text-surface-300">AI Usage</strong>
@@ -105,7 +105,7 @@ withSidebar: true
       {% endif %}
     </div>
     {% if aiDescription %}
-    <p class="mt-2 text-xs text-surface-500 dark:text-surface-400">{{ aiDescription }}</p>
+    <p class="mt-2 text-xs text-surface-600 dark:text-surface-400">{{ aiDescription }}</p>
     {% endif %}
     <p class="mt-2 text-xs"><a href="/ai/" class="text-accent-600 dark:text-accent-400 hover:underline">Learn more about AI usage on this site &rarr;</a></p>
   </aside>
diff --git a/_includes/layouts/post.njk b/_includes/layouts/post.njk
index c19b505..c395134 100644
--- a/_includes/layouts/post.njk
+++ b/_includes/layouts/post.njk
@@ -13,7 +13,7 @@ withBlogSidebar: true
   <h1 class="p-name text-2xl sm:text-3xl font-bold text-surface-900 dark:text-surface-100 mb-3 sm:mb-4">{{ title }}</h1>
   {% else %}
   <div class="flex items-center gap-2 mb-1">
-    <span class="text-sm font-medium text-surface-500 dark:text-surface-400">
+    <span class="text-sm font-medium text-surface-600 dark:text-surface-400">
       {% if replyTo %}&#8617; Reply{% elif likedUrl %}&#9829; Like{% elif repostedUrl %}&#9851; Repost{% elif bookmarkedUrl %}&#128278; Bookmark{% else %}&#9998; Note{% endif %}
     </span>
   </div>
@@ -73,7 +73,7 @@ withBlogSidebar: true
   {% set aiCodeLevel = aiCodeLevel or ai_code_level %}
   {% set aiTools = aiTools or ai_tools %}
   {% set aiDescription = aiDescription or ai_description %}
-  <details class="mt-4 text-xs text-surface-500 dark:text-surface-400">
+  <details class="mt-4 text-xs text-surface-600 dark:text-surface-400">
     <summary class="cursor-pointer hover:text-surface-600 dark:hover:text-surface-300 list-none flex items-center gap-1.5 [&::-webkit-details-marker]:hidden">
       <svg class="w-3.5 h-3.5 flex-shrink-0" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true">
         <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9.75 3.104v5.714a2.25 2.25 0 01-.659 1.591L5 14.5M9.75 3.104c-.251.023-.501.05-.75.082m.75-.082a24.301 24.301 0 014.5 0m0 0v5.714a2.25 2.25 0 00.659 1.591L19 14.5M14.25 3.104c.251.023.501.05.75.082M19 14.5l-2.47 2.47a2.25 2.25 0 01-1.59.659H9.06a2.25 2.25 0 01-1.591-.659L5 14.5m14 0V17a2 2 0 01-2 2H7a2 2 0 01-2-2v-2.5"/>
@@ -115,7 +115,7 @@ withBlogSidebar: true
   {% if externalSyndication.length or selfHostedApUrl %}
   <footer class="post-footer mt-8 pt-6 border-t border-surface-200 dark:border-surface-700">
     <div class="flex flex-wrap items-center gap-4">
-      <span class="text-sm text-surface-500 dark:text-surface-400">Also on:</span>
+      <span class="text-sm text-surface-600 dark:text-surface-400">Also on:</span>
       <div class="flex flex-wrap gap-3">
         {# Fediverse remote interaction button (self-hosted ActivityPub) #}
         {% if selfHostedApUrl %}
@@ -269,9 +269,10 @@ withBlogSidebar: true
   {# Lightbox overlay for article images #}
   <template x-teleport="body">
     <div x-show="open" x-transition.opacity.duration.200ms
+         role="dialog" aria-modal="true" aria-label="Image viewer"
          class="fixed inset-0 z-[9999] flex items-center justify-center bg-black/90 backdrop-blur-sm"
          @click.self="close()">
-      <button @click="close()" class="absolute top-4 right-4 text-white/70 hover:text-white text-3xl leading-none p-2 z-10" aria-label="Close">&times;</button>
+      <button x-ref="closeBtn" @click="close()" class="absolute top-4 right-4 text-white/70 hover:text-white text-3xl leading-none p-2 z-10" aria-label="Close lightbox">&times;</button>
       <template x-if="images.length > 1">
         <button @click="prev()" class="absolute left-4 top-1/2 -translate-y-1/2 text-white/70 hover:text-white text-4xl leading-none p-2 z-10" aria-label="Previous">&lsaquo;</button>
       </template>
diff --git a/articles.njk b/articles.njk
index 902b884..804b77d 100644
--- a/articles.njk
+++ b/articles.njk
@@ -72,7 +72,7 @@ permalink: "articles/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNu
         Previous
       </a>
       {% else %}
-      <span class="pagination-link disabled">
+      <span class="pagination-link disabled" aria-disabled="true">
         <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 19l-7-7 7-7"></path></svg>
         Previous
       </span>
@@ -84,7 +84,7 @@ permalink: "articles/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNu
         <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"></path></svg>
       </a>
       {% else %}
-      <span class="pagination-link disabled">
+      <span class="pagination-link disabled" aria-disabled="true">
         Next
         <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"></path></svg>
       </span>
diff --git a/blog.njk b/blog.njk
index 80838e1..433d75c 100644
--- a/blog.njk
+++ b/blog.njk
@@ -26,7 +26,7 @@ permalink: "blog/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNumber
     <a href="/blog/" class="px-3 py-1.5 text-sm font-medium rounded-full bg-accent-600 text-white dark:bg-accent-700">All Posts <span class="opacity-75">({{ collections.posts.length }})</span></a>
     {% for pt in enabledPostTypes %}
     {% set collName = pt.label | lower %}
-    <a href="{{ pt.path }}" class="px-3 py-1.5 text-sm font-medium rounded-full bg-surface-100 dark:bg-surface-800 text-surface-600 dark:text-surface-300 hover:bg-surface-200 dark:hover:bg-surface-700 border border-surface-200 dark:border-surface-700 transition-colors">{{ pt.label }}{% if collections[collName] %} <span class="text-surface-400 dark:text-surface-500">({{ collections[collName].length }})</span>{% endif %}</a>
+    <a href="{{ pt.path }}" class="px-3 py-1.5 text-sm font-medium rounded-full bg-surface-100 dark:bg-surface-800 text-surface-600 dark:text-surface-300 hover:bg-surface-200 dark:hover:bg-surface-700 border border-surface-200 dark:border-surface-700 transition-colors">{{ pt.label }}{% if collections[collName] %} <span class="text-surface-600 dark:text-surface-400">({{ collections[collName].length }})</span>{% endif %}</a>
     {% endfor %}
   </nav>
   <ul class="post-list">
@@ -82,7 +82,7 @@ permalink: "blog/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNumber
             {% endif %}
           </div>
           {% unfurl likedUrl %}
-          <a class="u-like-of text-xs text-surface-400 dark:text-surface-500 hover:underline break-all mt-1 inline-block" href="{{ likedUrl }}">
+          <a class="u-like-of text-xs text-surface-600 dark:text-surface-400 hover:underline break-all mt-1 inline-block" href="{{ likedUrl }}">
             {{ likedUrl }}
           </a>
           {% if post.templateContent %}
@@ -126,7 +126,7 @@ permalink: "blog/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNumber
           </h2>
           {% endif %}
           {% unfurl bookmarkedUrl %}
-          <a class="u-bookmark-of text-xs text-surface-400 dark:text-surface-500 hover:underline break-all mt-1 inline-block" href="{{ bookmarkedUrl }}">
+          <a class="u-bookmark-of text-xs text-surface-600 dark:text-surface-400 hover:underline break-all mt-1 inline-block" href="{{ bookmarkedUrl }}">
             {{ bookmarkedUrl }}
           </a>
           {% if post.templateContent %}
@@ -165,7 +165,7 @@ permalink: "blog/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNumber
             {% endif %}
           </div>
           {% unfurl repostedUrl %}
-          <a class="u-repost-of text-xs text-surface-400 dark:text-surface-500 hover:underline break-all mt-1 inline-block" href="{{ repostedUrl }}">
+          <a class="u-repost-of text-xs text-surface-600 dark:text-surface-400 hover:underline break-all mt-1 inline-block" href="{{ repostedUrl }}">
             {{ repostedUrl }}
           </a>
           {% if post.templateContent %}
@@ -204,7 +204,7 @@ permalink: "blog/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNumber
             {% endif %}
           </div>
           {% unfurl replyToUrl %}
-          <a class="u-in-reply-to text-xs text-surface-400 dark:text-surface-500 hover:underline break-all mt-1 inline-block" href="{{ replyToUrl }}">
+          <a class="u-in-reply-to text-xs text-surface-600 dark:text-surface-400 hover:underline break-all mt-1 inline-block" href="{{ replyToUrl }}">
             {{ replyToUrl }}
           </a>
           <div class="e-content prose dark:prose-invert prose-sm mt-3 max-w-none">
@@ -297,7 +297,7 @@ permalink: "blog/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNumber
       {# ── Note card (unchanged) ── #}
       <div class="post-header">
         <a class="u-url" href="{{ post.url }}">
-          <time-difference><time class="dt-published text-sm text-surface-500 dark:text-surface-400 font-medium font-mono" datetime="{{ post.date | isoDate }}">
+          <time-difference><time class="dt-published text-sm text-surface-600 dark:text-surface-400 font-medium font-mono" datetime="{{ post.date | isoDate }}">
             {{ post.date | dateDisplay }}
           </time></time-difference>
         </a>
@@ -327,7 +327,7 @@ permalink: "blog/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNumber
       {% set postAiText = post.data.aiTextLevel or post.data.ai_text_level %}
       {% set postAiCode = post.data.aiCodeLevel or post.data.ai_code_level %}
       {% if (postAiText and postAiText !== "0") or (postAiCode and postAiCode !== "0") %}
-      <span class="inline-flex items-center gap-1 mt-2 px-1.5 py-0.5 rounded text-[10px] font-medium bg-surface-100 dark:bg-surface-700 text-surface-500 dark:text-surface-400" title="AI usage: Text level {{ postAiText or '–' }}, Code level {{ postAiCode or '–' }}">
+      <span class="inline-flex items-center gap-1 mt-2 px-1.5 py-0.5 rounded text-[10px] font-medium bg-surface-100 dark:bg-surface-700 text-surface-600 dark:text-surface-400" title="AI usage: Text level {{ postAiText or '–' }}, Code level {{ postAiCode or '–' }}">
         <svg class="w-3 h-3" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9.75 3.104v5.714a2.25 2.25 0 01-.659 1.591L5 14.5M9.75 3.104c-.251.023-.501.05-.75.082m.75-.082a24.301 24.301 0 014.5 0m0 0v5.714a2.25 2.25 0 00.659 1.591L19 14.5M14.25 3.104c.251.023.501.05.75.082M19 14.5l-2.47 2.47a2.25 2.25 0 01-1.59.659H9.06a2.25 2.25 0 01-1.591-.659L5 14.5m14 0V17a2 2 0 01-2 2H7a2 2 0 01-2-2v-2.5"/></svg>
         AI{% if postAiText %}: T{{ postAiText }}{% endif %}{% if postAiCode %}/C{{ postAiCode }}{% endif %}
       </span>
@@ -349,7 +349,7 @@ permalink: "blog/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNumber
         Previous
       </a>
       {% else %}
-      <span class="pagination-link disabled">
+      <span class="pagination-link disabled" aria-disabled="true">
         <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 19l-7-7 7-7"></path></svg>
         Previous
       </span>
@@ -361,7 +361,7 @@ permalink: "blog/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNumber
         <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"></path></svg>
       </a>
       {% else %}
-      <span class="pagination-link disabled">
+      <span class="pagination-link disabled" aria-disabled="true">
         Next
         <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"></path></svg>
       </span>
diff --git a/blogroll.njk b/blogroll.njk
index 255700a..37cbff9 100644
--- a/blogroll.njk
+++ b/blogroll.njk
@@ -14,17 +14,19 @@ permalink: /blogroll/
     <p class="text-surface-600 dark:text-surface-400">
       Blogs I follow - <span x-text="blogs.length" class="font-medium"></span> feeds
     </p>
-    <p class="text-xs text-surface-500 mt-2" x-show="status?.lastSync">
+    <p class="text-xs text-surface-600 dark:text-surface-400 mt-2" x-show="status?.lastSync">
       Last synced: <span class="font-mono" x-text="formatDate(status?.lastSync, 'full')"></span>
     </p>
   </header>
 
   {# Tab Navigation - All Blogs first, then one tab per category #}
   <div class="mb-6 border-b border-surface-200 dark:border-surface-700">
-    <nav class="flex gap-1 overflow-x-auto -mb-px" aria-label="Tabs">
+    <nav class="flex gap-1 overflow-x-auto -mb-px" role="tablist" aria-label="Blogroll categories">
       <button
         @click="switchTab('blogs')"
-        :class="activeTab === 'blogs' ? 'border-orange-500 text-orange-600 dark:text-orange-400' : 'border-transparent text-surface-500 hover:text-surface-700 dark:hover:text-surface-300'"
+        :class="activeTab === 'blogs' ? 'border-orange-500 text-orange-600 dark:text-orange-400' : 'border-transparent text-surface-600 dark:text-surface-400 hover:text-surface-700 dark:hover:text-surface-300'"
+        :aria-selected="(activeTab === 'blogs').toString()"
+        role="tab" id="blogroll-tab-blogs" aria-controls="blogroll-panel-blogs"
         class="pb-3 px-3 border-b-2 font-medium text-sm transition-colors whitespace-nowrap flex-shrink-0"
       >
         All Blogs
@@ -32,7 +34,9 @@ permalink: /blogroll/
       <template x-for="cat in categories" :key="cat.name">
         <button
           @click="switchTab('category:' + cat.name)"
-          :class="activeTab === 'category:' + cat.name ? 'border-orange-500 text-orange-600 dark:text-orange-400' : 'border-transparent text-surface-500 hover:text-surface-700 dark:hover:text-surface-300'"
+          :class="activeTab === 'category:' + cat.name ? 'border-orange-500 text-orange-600 dark:text-orange-400' : 'border-transparent text-surface-600 dark:text-surface-400 hover:text-surface-700 dark:hover:text-surface-300'"
+          :aria-selected="(activeTab === 'category:' + cat.name).toString()"
+          role="tab" :id="'blogroll-tab-' + cat.name.toLowerCase().replace(/\s+/g, '-')" :aria-controls="'blogroll-panel-' + cat.name.toLowerCase().replace(/\s+/g, '-')"
           class="pb-3 px-3 border-b-2 font-medium text-sm transition-colors whitespace-nowrap flex-shrink-0"
         >
           <span x-text="cat.name"></span>
@@ -46,8 +50,8 @@ permalink: /blogroll/
     {# Main Content #}
     <div class="main-content">
       {# Loading State #}
-      <div x-show="loading" class="text-center py-12">
-        <svg class="w-8 h-8 mx-auto text-orange-600 animate-spin mb-4" fill="none" viewBox="0 0 24 24">
+      <div x-show="loading" class="text-center py-12" role="status">
+        <svg class="w-8 h-8 mx-auto text-orange-600 animate-spin mb-4" fill="none" viewBox="0 0 24 24" aria-hidden="true">
           <circle class="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" stroke-width="4"></circle>
           <path class="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"></path>
         </svg>
@@ -55,13 +59,13 @@ permalink: /blogroll/
       </div>
 
       {# Error State #}
-      <div x-show="error" class="bg-red-50 dark:bg-red-900/20 border border-red-200 dark:border-red-800 rounded-lg p-4 mb-6">
+      <div x-show="error" role="alert" class="bg-red-50 dark:bg-red-900/20 border border-red-200 dark:border-red-800 rounded-lg p-4 mb-6">
         <p class="text-red-700 dark:text-red-400" x-text="error"></p>
         <button @click="fetchData()" class="mt-2 text-sm text-red-600 hover:text-red-700 underline">Try again</button>
       </div>
 
       {# All Blogs Tab #}
-      <div x-show="activeTab === 'blogs' && !loading" class="grid gap-4 sm:grid-cols-2 lg:grid-cols-3">
+      <div x-show="activeTab === 'blogs' && !loading" role="tabpanel" id="blogroll-panel-blogs" aria-labelledby="blogroll-tab-blogs" class="grid gap-4 sm:grid-cols-2 lg:grid-cols-3">
         <template x-for="blog in blogs" :key="blog.id">
           <a
             :href="blog.siteUrl || blog.feedUrl"
@@ -71,16 +75,16 @@ permalink: /blogroll/
           >
             <div class="flex items-center gap-3 mb-2">
               <div class="w-10 h-10 rounded-lg bg-gradient-to-br from-orange-400 to-orange-600 flex items-center justify-center flex-shrink-0 overflow-hidden">
-                <img x-show="blog.photo" :src="blog.photo" class="w-10 h-10 object-cover" loading="lazy" />
+                <img x-show="blog.photo" :src="blog.photo" :alt="blog.title" class="w-10 h-10 object-cover" loading="lazy" />
                 <span x-show="!blog.photo" class="text-white text-sm font-bold" x-text="blog.title?.charAt(0)?.toUpperCase()"></span>
               </div>
               <div class="flex-1 min-w-0">
                 <h3 class="font-medium text-surface-900 dark:text-surface-100 truncate group-hover:text-orange-600 dark:group-hover:text-orange-400 transition-colors" x-text="blog.title"></h3>
-                <p x-show="blog.category" class="text-xs text-surface-500 truncate" x-text="blog.category"></p>
+                <p x-show="blog.category" class="text-xs text-surface-600 dark:text-surface-400 truncate" x-text="blog.category"></p>
               </div>
             </div>
             <p x-show="blog.description" class="text-sm text-surface-600 dark:text-surface-400 line-clamp-2 mb-3" x-text="blog.description"></p>
-            <div class="flex items-center gap-3 text-xs text-surface-500">
+            <div class="flex items-center gap-3 text-xs text-surface-600 dark:text-surface-400">
               <span x-text="`${blog.itemCount || 0} posts`"></span>
               <span :class="blog.status === 'active' ? 'text-green-500' : 'text-red-500'">
                 <span x-show="blog.status === 'active'" class="flex items-center gap-1">
@@ -99,15 +103,15 @@ permalink: /blogroll/
 
       {# Empty State for Blogs #}
       <div x-show="!loading && blogs.length === 0 && activeTab === 'blogs' && !error" class="text-center py-12">
-        <svg class="w-16 h-16 mx-auto text-surface-300 dark:text-surface-600 mb-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+        <svg class="w-16 h-16 mx-auto text-surface-300 dark:text-surface-400 mb-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
           <path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" d="M5 5a2 2 0 012-2h10a2 2 0 012 2v16l-7-3.5L5 21V5z"/>
         </svg>
         <p class="text-surface-600 dark:text-surface-400 text-lg">No blogs yet.</p>
-        <p class="text-surface-500 text-sm mt-2">Add blogs via the admin dashboard.</p>
+        <p class="text-surface-600 dark:text-surface-400 text-sm mt-2">Add blogs via the admin dashboard.</p>
       </div>
 
       {# Category Items Tab (one for each category) #}
-      <div x-show="activeTab.startsWith('category:') && !loading" class="space-y-4">
+      <div x-show="activeTab.startsWith('category:') && !loading" role="tabpanel" :id="'blogroll-panel-' + activeTab.replace('category:', '').toLowerCase().replace(/\s+/g, '-')" :aria-labelledby="'blogroll-tab-' + activeTab.replace('category:', '').toLowerCase().replace(/\s+/g, '-')" class="space-y-4">
         <template x-for="item in categoryItems" :key="item.id">
           <article class="bg-surface-50 dark:bg-surface-800 rounded-lg border border-surface-200 dark:border-surface-700 p-4 sm:p-6 hover:border-orange-400 dark:hover:border-orange-600 transition-colors shadow-sm">
             <div class="flex items-start gap-4">
@@ -126,7 +130,7 @@ permalink: /blogroll/
                     Upcoming
                   </span>
                 </div>
-                <div class="flex flex-wrap items-center gap-2 text-sm text-surface-500 mb-3">
+                <div class="flex flex-wrap items-center gap-2 text-sm text-surface-600 dark:text-surface-400 mb-3">
                   <a
                     :href="item.blog?.siteUrl || '#'"
                     class="inline-flex items-center gap-1 px-2 py-0.5 bg-orange-100 dark:bg-orange-900/30 text-orange-700 dark:text-orange-400 rounded-full hover:bg-orange-200 dark:hover:bg-orange-900/50 transition-colors"
@@ -167,7 +171,7 @@ permalink: /blogroll/
               <a
                 x-show="item.blog?.siteUrl"
                 :href="item.blog?.siteUrl"
-                class="inline-flex items-center gap-2 text-sm text-surface-500 hover:text-surface-700 dark:hover:text-surface-300"
+                class="inline-flex items-center gap-2 text-sm text-surface-600 dark:text-surface-400 hover:text-surface-700 dark:hover:text-surface-300"
                 target="_blank"
                 rel="noopener"
               >
@@ -221,11 +225,11 @@ permalink: /blogroll/
 
         {# Empty State for Category Items #}
         <div x-show="categoryItems.length === 0 && !error" class="text-center py-12">
-          <svg class="w-16 h-16 mx-auto text-surface-300 dark:text-surface-600 mb-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+          <svg class="w-16 h-16 mx-auto text-surface-300 dark:text-surface-400 mb-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
             <path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" d="M19 20H5a2 2 0 01-2-2V6a2 2 0 012-2h10a2 2 0 012 2v1m2 13a2 2 0 01-2-2V7m2 13a2 2 0 002-2V9a2 2 0 00-2-2h-2m-4-3H9M7 16h6M7 8h6v4H7V8z"/>
           </svg>
           <p class="text-surface-600 dark:text-surface-400 text-lg">No posts in this category yet.</p>
-          <p class="text-surface-500 text-sm mt-2">Posts will appear once blogs are synced.</p>
+          <p class="text-surface-600 dark:text-surface-400 text-sm mt-2">Posts will appear once blogs are synced.</p>
         </div>
       </div>
     </div>
@@ -256,11 +260,11 @@ permalink: /blogroll/
         <div class="grid grid-cols-2 gap-3 text-center">
           <div class="p-3 bg-surface-50 dark:bg-surface-800 rounded-lg">
             <span class="text-2xl font-bold text-orange-600 dark:text-orange-400 block" x-text="status?.blogs?.count || 0"></span>
-            <span class="text-xs text-surface-500 uppercase">Blogs</span>
+            <span class="text-xs text-surface-600 dark:text-surface-400 uppercase">Blogs</span>
           </div>
           <div class="p-3 bg-surface-50 dark:bg-surface-800 rounded-lg">
             <span class="text-2xl font-bold text-orange-600 dark:text-orange-400 block" x-text="status?.items?.count || 0"></span>
-            <span class="text-xs text-surface-500 uppercase">Posts</span>
+            <span class="text-xs text-surface-600 dark:text-surface-400 uppercase">Posts</span>
           </div>
         </div>
       </div>
@@ -283,7 +287,7 @@ permalink: /blogroll/
                 class="w-full text-left px-3 py-2 rounded-lg text-sm transition-colors"
               >
                 <span x-text="cat.name"></span>
-                <span class="text-surface-500" x-text="`(${cat.count})`"></span>
+                <span class="text-surface-600 dark:text-surface-400" x-text="`(${cat.count})`"></span>
               </button>
             </li>
           </template>
diff --git a/bookmarks.njk b/bookmarks.njk
index 44fd6c4..cd91c8a 100644
--- a/bookmarks.njk
+++ b/bookmarks.njk
@@ -55,7 +55,7 @@ permalink: "bookmarks/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageN
       {% set bookmarkedUrl = post.data.bookmarkOf or post.data.bookmark_of %}
       {% if bookmarkedUrl %}
       {% unfurl bookmarkedUrl %}
-      <a class="u-bookmark-of text-xs text-surface-400 dark:text-surface-500 hover:underline break-all mt-1 inline-block" href="{{ bookmarkedUrl }}">
+      <a class="u-bookmark-of text-xs text-surface-600 dark:text-surface-400 hover:underline break-all mt-1 inline-block" href="{{ bookmarkedUrl }}">
         {{ bookmarkedUrl }}
       </a>
       {% endif %}
@@ -81,7 +81,7 @@ permalink: "bookmarks/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageN
         Previous
       </a>
       {% else %}
-      <span class="pagination-link disabled">
+      <span class="pagination-link disabled" aria-disabled="true">
         <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 19l-7-7 7-7"></path></svg>
         Previous
       </span>
@@ -93,7 +93,7 @@ permalink: "bookmarks/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageN
         <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"></path></svg>
       </a>
       {% else %}
-      <span class="pagination-link disabled">
+      <span class="pagination-link disabled" aria-disabled="true">
         Next
         <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"></path></svg>
       </span>
diff --git a/categories.njk b/categories.njk
index 05efbdc..cd94f6b 100644
--- a/categories.njk
+++ b/categories.njk
@@ -32,7 +32,7 @@ eleventyComputed:
   {% endfor %}
 
   {% if categoryPosts.length > 0 %}
-  <p class="text-sm text-surface-500 dark:text-surface-400 mb-4">{{ categoryPosts.length }} post{% if categoryPosts.length != 1 %}s{% endif %}</p>
+  <p class="text-sm text-surface-600 dark:text-surface-400 mb-4">{{ categoryPosts.length }} post{% if categoryPosts.length != 1 %}s{% endif %}</p>
   <ul class="post-list">
     {% for post in categoryPosts %}
     {% set postType = post.inputPath | replace("./content/", "") %}
diff --git a/changelog.njk b/changelog.njk
index 25fbfb6..09eb269 100644
--- a/changelog.njk
+++ b/changelog.njk
@@ -14,11 +14,13 @@ withSidebar: false
 <div x-data="changelogApp()" x-init="init()">
 
   {# Tab navigation #}
-  <div class="flex gap-1 mb-6 border-b border-surface-200 dark:border-surface-700 overflow-x-auto">
+  <div class="flex gap-1 mb-6 border-b border-surface-200 dark:border-surface-700 overflow-x-auto" role="tablist" aria-label="Changelog categories">
     <template x-for="tab in tabs" :key="tab.key">
       <button
         @click="activeTab = tab.key"
-        :class="activeTab === tab.key ? 'border-b-2 border-accent-500 text-accent-600 dark:text-accent-400' : 'text-surface-500 hover:text-surface-700 dark:hover:text-surface-300'"
+        :class="activeTab === tab.key ? 'border-b-2 border-accent-500 text-accent-600 dark:text-accent-400' : 'text-surface-600 dark:text-surface-400 hover:text-surface-700 dark:hover:text-surface-300'"
+        :aria-selected="(activeTab === tab.key).toString()"
+        role="tab"
         class="flex items-center gap-1.5 px-3 py-2 text-sm font-medium transition-colors -mb-px whitespace-nowrap flex-shrink-0"
       >
         <span x-text="tab.label"></span>
@@ -37,13 +39,13 @@ withSidebar: false
       <circle class="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" stroke-width="4"></circle>
       <path class="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4z"></path>
     </svg>
-    <span class="ml-3 text-surface-500">Loading changelog...</span>
+    <span class="ml-3 text-surface-600 dark:text-surface-400">Loading changelog...</span>
   </div>
 
   {# Commit list #}
   <div x-show="!loading" x-cloak>
     <template x-if="filteredCommits().length === 0">
-      <p class="text-surface-500 py-8 text-center">No recent activity in this category.</p>
+      <p class="text-surface-600 dark:text-surface-400 py-8 text-center">No recent activity in this category.</p>
     </template>
 
     <ul class="space-y-4">
@@ -64,12 +66,12 @@ withSidebar: false
                 <a :href="commit.repoUrl" target="_blank" rel="noopener"
                    class="text-xs px-2 py-0.5 rounded-full bg-surface-100 dark:bg-surface-800 text-surface-600 dark:text-surface-400 hover:text-accent-600 dark:hover:text-accent-400"
                    x-text="commit.repoName"></a>
-                <span class="text-xs text-surface-500 font-mono" x-text="formatDate(commit.date)"></span>
+                <span class="text-xs text-surface-600 dark:text-surface-400 font-mono" x-text="formatDate(commit.date)"></span>
                 <span class="text-xs text-surface-400" x-text="'by ' + commit.author"></span>
               </div>
               <template x-if="commit.body">
                 <details class="mt-2">
-                  <summary class="text-xs text-surface-500 cursor-pointer hover:text-surface-700 dark:hover:text-surface-300">Show details</summary>
+                  <summary class="text-xs text-surface-600 dark:text-surface-400 cursor-pointer hover:text-surface-700 dark:hover:text-surface-300">Show details</summary>
                   <pre class="mt-1 text-xs text-surface-600 dark:text-surface-400 whitespace-pre-wrap break-words bg-surface-50 dark:bg-surface-800 rounded p-2" x-text="commit.body"></pre>
                 </details>
               </template>
diff --git a/css/critical.css b/css/critical.css
index 843b8af..051439d 100644
--- a/css/critical.css
+++ b/css/critical.css
@@ -60,6 +60,16 @@ a{color:#b45309}
 img{max-width:100%;height:auto}
 svg:not(:root):not([width]){width:1.25rem;height:1.25rem}
 
+/* Focus indicators — visible in critical CSS before Tailwind loads */
+a:focus-visible{outline:2px solid #b45309;outline-offset:2px;border-radius:2px}
+.dark a:focus-visible{outline-color:#fbbf24}
+button:focus-visible,[type="button"]:focus-visible{outline:2px solid #b45309;outline-offset:2px;border-radius:4px}
+.dark button:focus-visible,.dark [type="button"]:focus-visible{outline-color:#fbbf24}
+
+/* Skip link */
+.skip-link{position:absolute;top:-100%;left:0;z-index:100;background:#b45309;color:#fff;padding:0.5rem 1rem;font-weight:600;text-decoration:none}
+.skip-link:focus{top:0;outline:none}
+
 /* Skeleton loader — visible until Tailwind stylesheet loads */
 html.loading main.container>.page-content{display:none}
 html:not(.loading) .page-skeleton{display:none}
@@ -67,3 +77,6 @@ html:not(.loading) .page-skeleton{display:none}
 .skel-bone{background:#e8e5df;border-radius:.5rem;animation:skel-pulse 1.5s ease-in-out infinite}
 .dark .skel-bone{background:#3f3b35}
 .skel-circle{border-radius:50%}
+
+/* Reduced motion — disable animations for users who prefer it */
+@media(prefers-reduced-motion:reduce){.skel-bone{animation:none}*{transition-duration:0.01ms!important;animation-duration:0.01ms!important}}
diff --git a/css/lite-yt-embed.css b/css/lite-yt-embed.css
index 55ca0f3..5721a78 100644
--- a/css/lite-yt-embed.css
+++ b/css/lite-yt-embed.css
@@ -70,8 +70,11 @@ lite-youtube > .lty-playbtn {
 }
 
 lite-youtube:hover > .lty-playbtn,
-lite-youtube .lty-playbtn:focus {
+lite-youtube .lty-playbtn:focus-visible {
     filter: none;
+    outline: 2px solid #fbbf24;
+    outline-offset: -2px;
+    border-radius: 4px;
 }
 
 /* Post-click styles */
diff --git a/css/prism-theme.css b/css/prism-theme.css
index 90bf299..86e7393 100644
--- a/css/prism-theme.css
+++ b/css/prism-theme.css
@@ -49,7 +49,7 @@ pre[class*="language-"] {
 .token.prolog,
 .token.doctype,
 .token.cdata {
-  color: #6a737d;
+  color: #586069;
 }
 
 .token.punctuation {
@@ -57,7 +57,7 @@ pre[class*="language-"] {
 }
 
 .token.namespace {
-  opacity: 0.7;
+  opacity: 0.85;
 }
 
 .token.property,
diff --git a/css/tailwind.css b/css/tailwind.css
index f718a61..9c36318 100644
--- a/css/tailwind.css
+++ b/css/tailwind.css
@@ -288,7 +288,7 @@
 
   /* Site footer */
   .site-footer {
-    @apply mt-12 py-8 border-t border-surface-200 dark:border-surface-700 text-center text-sm text-surface-500;
+    @apply mt-12 py-8 border-t border-surface-200 dark:border-surface-700 text-center text-sm text-surface-600 dark:text-surface-400;
   }
 
   .site-footer a {
@@ -501,6 +501,13 @@
   .pagination-link:active:not(.disabled) {
     transform: scale(0.97);
   }
+
+  @media (prefers-reduced-motion: reduce) {
+    button:active:not(:disabled),
+    .pagination-link:active:not(.disabled) {
+      transform: none;
+    }
+  }
 }
 
 /* Video embeds */
@@ -630,7 +637,7 @@
     transition: opacity 0.15s;
   }
   .prose :is(h2, h3, h4):hover > a.header-anchor::after {
-    opacity: 0.4;
+    opacity: 0.6;
   }
 
   .post-list li {
@@ -677,7 +684,7 @@
   --pagefind-ui-primary: #fbbf24;
   --pagefind-ui-text: #faf8f5;
   --pagefind-ui-background: #0f0e0d;
-  --pagefind-ui-border: #3f3b35;
+  --pagefind-ui-border: #5c5750;
   --pagefind-ui-tag: #2a2722;
 }
 
@@ -692,7 +699,7 @@
 .dark #search .pagefind-ui__search-input {
   background-color: #1c1b19;
   color: #faf8f5;
-  border-color: #3f3b35;
+  border-color: #5c5750;
 }
 
 #search .pagefind-ui__search-input:focus {
diff --git a/cv.njk b/cv.njk
index 729a2c8..63e8525 100644
--- a/cv.njk
+++ b/cv.njk
@@ -78,7 +78,7 @@ pagefindIgnore: true
           {% endif %}
           {# Contact details #}
           {% if cvLocality or cvCountry or cvOrg or cvUrl or cvEmail or cvKeyUrl %}
-          <div class="flex flex-wrap gap-x-4 gap-y-1 mt-4 text-sm text-surface-500 dark:text-surface-400">
+          <div class="flex flex-wrap gap-x-4 gap-y-1 mt-4 text-sm text-surface-600 dark:text-surface-400">
             {% if cvLocality or cvCountry %}
             <span>{% if cvLocality %}{{ cvLocality }}{% endif %}{% if cvLocality and cvCountry %}, {% endif %}{% if cvCountry %}{{ cvCountry }}{% endif %}</span>
             {% endif %}
@@ -126,7 +126,7 @@ pagefindIgnore: true
 
     {# Last Updated #}
     {% if cv.lastUpdated %}
-    <p class="text-sm text-surface-500 text-center mt-8">
+    <p class="text-sm text-surface-600 dark:text-surface-400 text-center mt-8">
       Last updated: <time class="font-mono text-sm" datetime="{{ cv.lastUpdated }}">{{ cv.lastUpdated | date("PPP") }}</time>
     </p>
     {% endif %}
diff --git a/digest-index.njk b/digest-index.njk
index 3d53cf9..6ca498c 100644
--- a/digest-index.njk
+++ b/digest-index.njk
@@ -27,7 +27,7 @@ permalink: "digest/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNumb
         <h2 class="font-semibold text-surface-900 dark:text-surface-100 hover:text-accent-600 dark:hover:text-accent-400">
           {{ d.label }}
         </h2>
-        <p class="text-sm text-surface-500 dark:text-surface-400 mt-1">
+        <p class="text-sm text-surface-600 dark:text-surface-400 mt-1">
           <time class="font-mono" datetime="{{ d.startDate | isoDate }}">{{ d.startDate | dateDisplay }}</time> &ndash; <time class="font-mono" datetime="{{ d.endDate | isoDate }}">{{ d.endDate | dateDisplay }}</time>
           &middot; {{ d.posts.length }} post{% if d.posts.length != 1 %}s{% endif %}
         </p>
@@ -36,7 +36,7 @@ permalink: "digest/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNumb
           {% set typeLabels = (typeLabels.push(key + " (" + posts.length + ")"), typeLabels) %}
         {% endfor %}
         {% if typeLabels.length %}
-        <p class="text-xs text-surface-400 dark:text-surface-500 mt-1">
+        <p class="text-xs text-surface-600 dark:text-surface-400 mt-1">
           {{ typeLabels | join(", ") }}
         </p>
         {% endif %}
@@ -57,7 +57,7 @@ permalink: "digest/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNumb
         Previous
       </a>
       {% else %}
-      <span class="pagination-link disabled">
+      <span class="pagination-link disabled" aria-disabled="true">
         <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 19l-7-7 7-7"></path></svg>
         Previous
       </span>
@@ -69,7 +69,7 @@ permalink: "digest/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNumb
         <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"></path></svg>
       </a>
       {% else %}
-      <span class="pagination-link disabled">
+      <span class="pagination-link disabled" aria-disabled="true">
         Next
         <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"></path></svg>
       </span>
diff --git a/digest.njk b/digest.njk
index c957ca2..9532627 100644
--- a/digest.njk
+++ b/digest.njk
@@ -39,7 +39,7 @@ permalink: "digest/{{ digest.slug }}/"
     <section class="mb-8">
       <h2 class="text-lg sm:text-xl font-semibold text-surface-800 dark:text-surface-200 mb-4 border-b border-surface-200 dark:border-surface-700 pb-2">
         {{ typeInfo.label }}
-        <span class="text-sm font-normal text-surface-500 dark:text-surface-400">({{ typePosts.length }})</span>
+        <span class="text-sm font-normal text-surface-600 dark:text-surface-400">({{ typePosts.length }})</span>
       </h2>
       <ul class="space-y-4">
         {% for post in typePosts %}
@@ -50,7 +50,7 @@ permalink: "digest/{{ digest.slug }}/"
               <span class="text-red-500 flex-shrink-0">&#x2764;</span>
               <div>
                 <a href="{{ targetUrl }}" class="text-accent-600 dark:text-accent-400 hover:underline break-all">{{ targetUrl }}</a>
-                <div class="text-sm text-surface-500 dark:text-surface-400 mt-1">
+                <div class="text-sm text-surface-600 dark:text-surface-400 mt-1">
                   <time class="dt-published font-mono text-sm" datetime="{{ post.date | isoDate }}">{{ post.date | dateDisplay }}</time>
                   &middot; <a href="{{ post.url }}" class="hover:underline">Permalink</a>
                 </div>
@@ -67,7 +67,7 @@ permalink: "digest/{{ digest.slug }}/"
                 {% else %}
                   <a href="{{ targetUrl }}" class="text-accent-600 dark:text-accent-400 hover:underline break-all">{{ targetUrl }}</a>
                 {% endif %}
-                <div class="text-sm text-surface-500 dark:text-surface-400 mt-1">
+                <div class="text-sm text-surface-600 dark:text-surface-400 mt-1">
                   <time class="dt-published font-mono text-sm" datetime="{{ post.date | isoDate }}">{{ post.date | dateDisplay }}</time>
                   &middot; <a href="{{ post.url }}" class="hover:underline">Permalink</a>
                 </div>
@@ -80,7 +80,7 @@ permalink: "digest/{{ digest.slug }}/"
               <span class="text-green-500 flex-shrink-0">&#x1F501;</span>
               <div>
                 <a href="{{ targetUrl }}" class="text-accent-600 dark:text-accent-400 hover:underline break-all">{{ targetUrl }}</a>
-                <div class="text-sm text-surface-500 dark:text-surface-400 mt-1">
+                <div class="text-sm text-surface-600 dark:text-surface-400 mt-1">
                   <time class="dt-published font-mono text-sm" datetime="{{ post.date | isoDate }}">{{ post.date | dateDisplay }}</time>
                   &middot; <a href="{{ post.url }}" class="hover:underline">Permalink</a>
                 </div>
@@ -103,7 +103,7 @@ permalink: "digest/{{ digest.slug }}/"
               {% elif post.templateContent %}
                 <p class="text-surface-700 dark:text-surface-300 text-sm">{{ post.templateContent | striptags | truncate(120) }}</p>
               {% endif %}
-              <div class="text-sm text-surface-500 dark:text-surface-400 mt-1">
+              <div class="text-sm text-surface-600 dark:text-surface-400 mt-1">
                 <time class="dt-published font-mono text-sm" datetime="{{ post.date | isoDate }}">{{ post.date | dateDisplay }}</time>
                 &middot; <a href="{{ post.url }}" class="hover:underline">Permalink</a>
               </div>
@@ -117,7 +117,7 @@ permalink: "digest/{{ digest.slug }}/"
               {% if post.templateContent %}
               <p class="text-surface-700 dark:text-surface-300 text-sm mt-1">{{ post.templateContent | striptags | truncate(200) }}</p>
               {% endif %}
-              <div class="text-sm text-surface-500 dark:text-surface-400 mt-1">
+              <div class="text-sm text-surface-600 dark:text-surface-400 mt-1">
                 <time class="dt-published font-mono text-sm" datetime="{{ post.date | isoDate }}">{{ post.date | dateDisplay }}</time>
                 &middot; <a href="{{ post.url }}" class="hover:underline">Permalink</a>
               </div>
@@ -126,7 +126,7 @@ permalink: "digest/{{ digest.slug }}/"
           {% else %}
             <div>
               <p class="text-surface-700 dark:text-surface-300">{{ post.templateContent | striptags | truncate(200) }}</p>
-              <div class="text-sm text-surface-500 dark:text-surface-400 mt-1">
+              <div class="text-sm text-surface-600 dark:text-surface-400 mt-1">
                 <time class="dt-published font-mono text-sm" datetime="{{ post.date | isoDate }}">{{ post.date | dateDisplay }}</time>
                 &middot; <a href="{{ post.url }}" class="hover:underline">Permalink</a>
               </div>
diff --git a/eleventy.config.js b/eleventy.config.js
index 9348dcb..ec4c710 100644
--- a/eleventy.config.js
+++ b/eleventy.config.js
@@ -321,7 +321,7 @@ export default function (eleventyConfig) {
     cacheOptions: {
       duration: process.env.ELEVENTY_RUN_MODE === "build" ? "1d" : "30d",
     },
-    concurrency: 4,
+    concurrency: 1,
     defaultAttributes: {
       loading: "lazy",
       decoding: "async",
diff --git a/featured.njk b/featured.njk
index ae03579..f418985 100644
--- a/featured.njk
+++ b/featured.njk
@@ -55,7 +55,7 @@ permalink: "featured/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNu
       <div class="post-header">
         <span class="text-xs font-medium text-rose-600 dark:text-rose-400">Liked</span>
         <a class="u-url ml-2" href="{{ post.url }}">
-          <time class="dt-published text-sm text-surface-500 dark:text-surface-400 font-mono" datetime="{{ post.date | isoDate }}">{{ post.date | dateDisplay }}</time>
+          <time class="dt-published text-sm text-surface-600 dark:text-surface-400 font-mono" datetime="{{ post.date | isoDate }}">{{ post.date | dateDisplay }}</time>
         </a>
       </div>
       <a class="u-like-of text-sm text-surface-600 dark:text-surface-400 hover:underline break-all mt-2 inline-block" href="{{ likedUrl }}">{{ likedUrl }}</a>
@@ -67,7 +67,7 @@ permalink: "featured/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNu
       {# ── Bookmark ── #}
       <div class="post-header">
         <span class="text-xs font-medium text-amber-600 dark:text-amber-400">Bookmarked</span>
-        <time class="dt-published text-sm text-surface-500 dark:text-surface-400 ml-2 font-mono" datetime="{{ post.date | isoDate }}">{{ post.date | dateDisplay }}</time>
+        <time class="dt-published text-sm text-surface-600 dark:text-surface-400 ml-2 font-mono" datetime="{{ post.date | isoDate }}">{{ post.date | dateDisplay }}</time>
       </div>
       {% if post.data.title %}
       <h2 class="p-name text-lg font-semibold mt-2">
@@ -84,7 +84,7 @@ permalink: "featured/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNu
       <div class="post-header">
         <span class="text-xs font-medium text-rose-600 dark:text-rose-400">Reposted</span>
         <a class="u-url ml-2" href="{{ post.url }}">
-          <time class="dt-published text-sm text-surface-500 dark:text-surface-400 font-mono" datetime="{{ post.date | isoDate }}">{{ post.date | dateDisplay }}</time>
+          <time class="dt-published text-sm text-surface-600 dark:text-surface-400 font-mono" datetime="{{ post.date | isoDate }}">{{ post.date | dateDisplay }}</time>
         </a>
       </div>
       <a class="u-repost-of text-sm text-surface-600 dark:text-surface-400 hover:underline break-all mt-2 inline-block" href="{{ repostedUrl }}">{{ repostedUrl }}</a>
@@ -97,7 +97,7 @@ permalink: "featured/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNu
       <div class="post-header">
         <span class="text-xs font-medium text-rose-600 dark:text-rose-400">In reply to</span>
         <a class="u-url ml-2" href="{{ post.url }}">
-          <time class="dt-published text-sm text-surface-500 dark:text-surface-400 font-mono" datetime="{{ post.date | isoDate }}">{{ post.date | dateDisplay }}</time>
+          <time class="dt-published text-sm text-surface-600 dark:text-surface-400 font-mono" datetime="{{ post.date | isoDate }}">{{ post.date | dateDisplay }}</time>
         </a>
       </div>
       <a class="u-in-reply-to text-sm text-surface-600 dark:text-surface-400 hover:underline break-all mt-2 inline-block" href="{{ replyToUrl }}">{{ replyToUrl }}</a>
@@ -127,7 +127,7 @@ permalink: "featured/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNu
       {# ── Note ── #}
       <div class="post-header">
         <a class="u-url" href="{{ post.url }}">
-          <time class="dt-published text-sm text-surface-500 dark:text-surface-400 font-medium font-mono" datetime="{{ post.date | isoDate }}">{{ post.date | dateDisplay }}</time>
+          <time class="dt-published text-sm text-surface-600 dark:text-surface-400 font-medium font-mono" datetime="{{ post.date | isoDate }}">{{ post.date | dateDisplay }}</time>
         </a>
         {% if post.data.postType %}
         <span class="px-2 py-0.5 bg-surface-100 dark:bg-surface-700 rounded text-xs ml-2">{{ post.data.postType }}</span>
@@ -158,7 +158,7 @@ permalink: "featured/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNu
         Previous
       </a>
       {% else %}
-      <span class="pagination-link disabled">
+      <span class="pagination-link disabled" aria-disabled="true">
         <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 19l-7-7 7-7"></path></svg>
         Previous
       </span>
@@ -170,7 +170,7 @@ permalink: "featured/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNu
         <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"></path></svg>
       </a>
       {% else %}
-      <span class="pagination-link disabled">
+      <span class="pagination-link disabled" aria-disabled="true">
         Next
         <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"></path></svg>
       </span>
diff --git a/funkwhale.njk b/funkwhale.njk
index f62acdd..58143c4 100644
--- a/funkwhale.njk
+++ b/funkwhale.njk
@@ -66,9 +66,9 @@ withSidebar: true
           </h2>
           <p class="text-surface-600 dark:text-surface-400">{{ funkwhaleActivity.nowPlaying.artist }}</p>
           {% if funkwhaleActivity.nowPlaying.album %}
-          <p class="text-sm text-surface-500 mt-1">{{ funkwhaleActivity.nowPlaying.album }}</p>
+          <p class="text-sm text-surface-600 dark:text-surface-400 mt-1">{{ funkwhaleActivity.nowPlaying.album }}</p>
           {% endif %}
-          <p class="text-xs text-surface-500 mt-2">{{ funkwhaleActivity.nowPlaying.relativeTime }}</p>
+          <p class="text-xs text-surface-600 dark:text-surface-400 mt-2">{{ funkwhaleActivity.nowPlaying.relativeTime }}</p>
         </div>
       </div>
     </div>
@@ -86,31 +86,39 @@ withSidebar: true
     </h2>
 
     {# Tab buttons #}
-    <div class="flex gap-1 mb-6 border-b border-surface-200 dark:border-surface-700 overflow-x-auto">
+    <div class="flex gap-1 mb-6 border-b border-surface-200 dark:border-surface-700 overflow-x-auto" role="tablist" aria-label="Listening statistics period">
       <button
         @click="activeTab = 'all'"
-        :class="activeTab === 'all' ? 'border-b-2 border-purple-500 text-purple-600 dark:text-purple-400' : 'text-surface-500 hover:text-surface-700 dark:hover:text-surface-300'"
+        :class="activeTab === 'all' ? 'border-b-2 border-purple-500 text-purple-600 dark:text-purple-400' : 'text-surface-600 dark:text-surface-400 hover:text-surface-700 dark:hover:text-surface-300'"
+        :aria-selected="(activeTab === 'all').toString()"
+        role="tab" id="fw-tab-all" aria-controls="fw-panel-all"
         class="px-4 py-2 text-sm font-medium transition-colors -mb-px whitespace-nowrap"
       >
         All Time
       </button>
       <button
         @click="activeTab = 'month'"
-        :class="activeTab === 'month' ? 'border-b-2 border-purple-500 text-purple-600 dark:text-purple-400' : 'text-surface-500 hover:text-surface-700 dark:hover:text-surface-300'"
+        :class="activeTab === 'month' ? 'border-b-2 border-purple-500 text-purple-600 dark:text-purple-400' : 'text-surface-600 dark:text-surface-400 hover:text-surface-700 dark:hover:text-surface-300'"
+        :aria-selected="(activeTab === 'month').toString()"
+        role="tab" id="fw-tab-month" aria-controls="fw-panel-month"
         class="px-4 py-2 text-sm font-medium transition-colors -mb-px whitespace-nowrap"
       >
         This Month
       </button>
       <button
         @click="activeTab = 'week'"
-        :class="activeTab === 'week' ? 'border-b-2 border-purple-500 text-purple-600 dark:text-purple-400' : 'text-surface-500 hover:text-surface-700 dark:hover:text-surface-300'"
+        :class="activeTab === 'week' ? 'border-b-2 border-purple-500 text-purple-600 dark:text-purple-400' : 'text-surface-600 dark:text-surface-400 hover:text-surface-700 dark:hover:text-surface-300'"
+        :aria-selected="(activeTab === 'week').toString()"
+        role="tab" id="fw-tab-week" aria-controls="fw-panel-week"
         class="px-4 py-2 text-sm font-medium transition-colors -mb-px whitespace-nowrap"
       >
         This Week
       </button>
       <button
         @click="activeTab = 'trends'"
-        :class="activeTab === 'trends' ? 'border-b-2 border-purple-500 text-purple-600 dark:text-purple-400' : 'text-surface-500 hover:text-surface-700 dark:hover:text-surface-300'"
+        :class="activeTab === 'trends' ? 'border-b-2 border-purple-500 text-purple-600 dark:text-purple-400' : 'text-surface-600 dark:text-surface-400 hover:text-surface-700 dark:hover:text-surface-300'"
+        :aria-selected="(activeTab === 'trends').toString()"
+        role="tab" id="fw-tab-trends" aria-controls="fw-panel-trends"
         class="px-4 py-2 text-sm font-medium transition-colors -mb-px whitespace-nowrap"
       >
         Trends
@@ -118,7 +126,7 @@ withSidebar: true
     </div>
 
     {# All Time Tab #}
-    <div x-show="activeTab === 'all'" x-cloak>
+    <div x-show="activeTab === 'all'" x-cloak role="tabpanel" id="fw-panel-all" aria-labelledby="fw-tab-all">
       {% set summary = funkwhaleActivity.stats.summary.all %}
       {% set topArtists = funkwhaleActivity.stats.topArtists.all %}
       {% set topAlbums = funkwhaleActivity.stats.topAlbums.all %}
@@ -126,7 +134,7 @@ withSidebar: true
     </div>
 
     {# This Month Tab #}
-    <div x-show="activeTab === 'month'" x-cloak>
+    <div x-show="activeTab === 'month'" x-cloak role="tabpanel" id="fw-panel-month" aria-labelledby="fw-tab-month">
       {% set summary = funkwhaleActivity.stats.summary.month %}
       {% set topArtists = funkwhaleActivity.stats.topArtists.month %}
       {% set topAlbums = funkwhaleActivity.stats.topAlbums.month %}
@@ -134,7 +142,7 @@ withSidebar: true
     </div>
 
     {# This Week Tab #}
-    <div x-show="activeTab === 'week'" x-cloak>
+    <div x-show="activeTab === 'week'" x-cloak role="tabpanel" id="fw-panel-week" aria-labelledby="fw-tab-week">
       {% set summary = funkwhaleActivity.stats.summary.week %}
       {% set topArtists = funkwhaleActivity.stats.topArtists.week %}
       {% set topAlbums = funkwhaleActivity.stats.topAlbums.week %}
@@ -142,7 +150,7 @@ withSidebar: true
     </div>
 
     {# Trends Tab #}
-    <div x-show="activeTab === 'trends'" x-cloak>
+    <div x-show="activeTab === 'trends'" x-cloak role="tabpanel" id="fw-panel-trends" aria-labelledby="fw-tab-trends">
       {% if funkwhaleActivity.stats.trends and funkwhaleActivity.stats.trends.length %}
       <div class="bg-surface-50 dark:bg-surface-800 rounded-lg p-6 border border-surface-200 dark:border-surface-700 shadow-sm">
         <h3 class="text-lg font-semibold text-surface-900 dark:text-surface-100 mb-4">Daily Listening (Last 30 Days)</h3>
@@ -161,7 +169,7 @@ withSidebar: true
           ></div>
           {% endfor %}
         </div>
-        <div class="flex justify-between text-xs text-surface-500 mt-2">
+        <div class="flex justify-between text-xs text-surface-600 dark:text-surface-400 mt-2">
           <span>{{ funkwhaleActivity.stats.trends[0].date }}</span>
           <span>{{ funkwhaleActivity.stats.trends[funkwhaleActivity.stats.trends.length - 1].date }}</span>
         </div>
@@ -210,7 +218,7 @@ withSidebar: true
         </div>
 
         <div class="text-right flex-shrink-0">
-          <span class="text-xs text-surface-500">{{ listening.relativeTime }}</span>
+          <span class="text-xs text-surface-600 dark:text-surface-400">{{ listening.relativeTime }}</span>
           {% if listening.duration %}
           <span class="text-xs text-surface-400 block">{{ listening.duration }}</span>
           {% endif %}
@@ -258,7 +266,7 @@ withSidebar: true
           </h3>
           <p class="text-sm text-surface-600 dark:text-surface-400 truncate">{{ favorite.artist }}</p>
           {% if favorite.album %}
-          <p class="text-xs text-surface-500 truncate">{{ favorite.album }}</p>
+          <p class="text-xs text-surface-600 dark:text-surface-400 truncate">{{ favorite.album }}</p>
           {% endif %}
         </div>
       </div>
diff --git a/github.njk b/github.njk
index d1a1c31..43fac06 100644
--- a/github.njk
+++ b/github.njk
@@ -43,7 +43,7 @@ withSidebar: true
         <p class="text-sm text-surface-600 dark:text-surface-400 mb-4">{{ repo.description }}</p>
         {% endif %}
 
-        <div class="flex flex-wrap items-center gap-3 text-sm text-surface-500 mb-4">
+        <div class="flex flex-wrap items-center gap-3 text-sm text-surface-600 dark:text-surface-400 mb-4">
           {% if repo.language %}
           <span class="flex items-center gap-1">
             <span class="w-3 h-3 rounded-full bg-surface-500"></span>
@@ -109,7 +109,7 @@ withSidebar: true
           <a href="{{ commit.url }}" class="text-surface-900 dark:text-surface-100 hover:text-emerald-600 dark:hover:text-emerald-400" target="_blank" rel="noopener">
             {{ commit.message }}
           </a>
-          <p class="text-xs text-surface-500 mt-1">
+          <p class="text-xs text-surface-600 dark:text-surface-400 mt-1">
             <a href="{{ commit.repoUrl }}" class="hover:underline" target="_blank" rel="noopener">{{ commit.repo }}</a>
             · <time class="font-mono" datetime="{{ commit.date }}">{{ commit.date | date("MMM d, yyyy") }}</time>
           </p>
@@ -144,7 +144,7 @@ withSidebar: true
           <a href="{{ item.url }}" class="text-surface-900 dark:text-surface-100 hover:text-emerald-600 dark:hover:text-emerald-400" target="_blank" rel="noopener">
             {{ item.title }}
           </a>
-          <p class="text-xs text-surface-500 mt-1">
+          <p class="text-xs text-surface-600 dark:text-surface-400 mt-1">
             <a href="{{ item.repoUrl }}" class="hover:underline" target="_blank" rel="noopener">{{ item.repo }}</a>
             #{{ item.number }}
             · <time class="font-mono" datetime="{{ item.date }}">{{ item.date | date("MMM d, yyyy") }}</time>
@@ -179,7 +179,7 @@ withSidebar: true
         <p class="text-sm text-surface-600 dark:text-surface-400 mb-3">{{ repo.description | truncate(100) }}</p>
         {% endif %}
 
-        <div class="flex flex-wrap items-center gap-3 text-sm text-surface-500">
+        <div class="flex flex-wrap items-center gap-3 text-sm text-surface-600 dark:text-surface-400">
           {% if repo.language %}
           <span class="flex items-center gap-1">
             <span class="w-3 h-3 rounded-full bg-surface-500"></span>
@@ -242,7 +242,7 @@ withSidebar: true
           {% endfor %}
         </div>
 
-        <div class="flex flex-wrap items-center gap-3 text-sm text-surface-500">
+        <div class="flex flex-wrap items-center gap-3 text-sm text-surface-600 dark:text-surface-400">
           {% if repo.language %}
           <span class="flex items-center gap-1">
             <span class="w-3 h-3 rounded-full bg-surface-500"></span>
diff --git a/graph.njk b/graph.njk
index e6ef5e6..7bf5132 100644
--- a/graph.njk
+++ b/graph.njk
@@ -14,5 +14,5 @@ withSidebar: true
 {% if collections.posts and collections.posts.length %}
   {% postGraph collections.posts, { limit: 0 } %}
 {% else %}
-  <p class="text-surface-500 dark:text-surface-400">No posts found.</p>
+  <p class="text-surface-600 dark:text-surface-400">No posts found.</p>
 {% endif %}
diff --git a/interactions.njk b/interactions.njk
index c0d215d..712e8b2 100644
--- a/interactions.njk
+++ b/interactions.njk
@@ -17,17 +17,21 @@ permalink: /interactions/
 {# Tab navigation for Outbound/Inbound #}
 <div x-data="interactionsApp()" x-init="init()">
   {# Tab buttons #}
-  <div class="flex border-b border-surface-200 dark:border-surface-700 mb-6">
+  <div class="flex border-b border-surface-200 dark:border-surface-700 mb-6" role="tablist" aria-label="Interaction direction">
     <button
       @click="activeTab = 'outbound'"
-      :class="activeTab === 'outbound' ? 'border-rose-500 text-rose-600 dark:text-rose-400' : 'border-transparent text-surface-500 hover:text-surface-700 dark:hover:text-surface-300'"
+      :class="activeTab === 'outbound' ? 'border-rose-500 text-rose-600 dark:text-rose-400' : 'border-transparent text-surface-600 dark:text-surface-400 hover:text-surface-700 dark:hover:text-surface-300'"
+      :aria-selected="(activeTab === 'outbound').toString()"
+      role="tab" id="interactions-tab-outbound" aria-controls="interactions-panel-outbound"
       class="px-4 py-3 text-sm font-medium border-b-2 -mb-px transition-colors">
       My Activity
       <span class="ml-1 text-xs text-surface-400">(outbound)</span>
     </button>
     <button
       @click="activeTab = 'inbound'"
-      :class="activeTab === 'inbound' ? 'border-rose-500 text-rose-600 dark:text-rose-400' : 'border-transparent text-surface-500 hover:text-surface-700 dark:hover:text-surface-300'"
+      :class="activeTab === 'inbound' ? 'border-rose-500 text-rose-600 dark:text-rose-400' : 'border-transparent text-surface-600 dark:text-surface-400 hover:text-surface-700 dark:hover:text-surface-300'"
+      :aria-selected="(activeTab === 'inbound').toString()"
+      role="tab" id="interactions-tab-inbound" aria-controls="interactions-panel-inbound"
       class="px-4 py-3 text-sm font-medium border-b-2 -mb-px transition-colors">
       Received
       <span class="ml-1 text-xs text-surface-400">(inbound)</span>
@@ -36,7 +40,7 @@ permalink: /interactions/
   </div>
 
   {# ===== OUTBOUND TAB - My Activity ===== #}
-  <div x-show="activeTab === 'outbound'" x-transition>
+  <div x-show="activeTab === 'outbound'" x-transition role="tabpanel" id="interactions-panel-outbound" aria-labelledby="interactions-tab-outbound">
     <p class="text-surface-600 dark:text-surface-400 text-sm mb-6">Content I've interacted with across the web.</p>
 
     <div class="grid gap-4 sm:gap-6 md:grid-cols-2 lg:grid-cols-3">
@@ -50,7 +54,7 @@ permalink: /interactions/
           </div>
           <div>
             <h2 class="text-lg font-semibold text-surface-900 dark:text-surface-100 group-hover:text-rose-600 dark:group-hover:text-rose-400">Likes</h2>
-            <p class="text-sm text-surface-500">{{ collections.likes.length }} item{% if collections.likes.length != 1 %}s{% endif %}</p>
+            <p class="text-sm text-surface-600 dark:text-surface-400">{{ collections.likes.length }} item{% if collections.likes.length != 1 %}s{% endif %}</p>
           </div>
         </div>
         <p class="text-surface-600 dark:text-surface-400 text-sm">Content I've appreciated across the web.</p>
@@ -66,7 +70,7 @@ permalink: /interactions/
           </div>
           <div>
             <h2 class="text-lg font-semibold text-surface-900 dark:text-surface-100 group-hover:text-rose-600 dark:group-hover:text-rose-400">Replies</h2>
-            <p class="text-sm text-surface-500">{{ collections.replies.length }} item{% if collections.replies.length != 1 %}s{% endif %}</p>
+            <p class="text-sm text-surface-600 dark:text-surface-400">{{ collections.replies.length }} item{% if collections.replies.length != 1 %}s{% endif %}</p>
           </div>
         </div>
         <p class="text-surface-600 dark:text-surface-400 text-sm">My responses to posts across the web.</p>
@@ -82,7 +86,7 @@ permalink: /interactions/
           </div>
           <div>
             <h2 class="text-lg font-semibold text-surface-900 dark:text-surface-100 group-hover:text-amber-600 dark:group-hover:text-amber-400">Bookmarks</h2>
-            <p class="text-sm text-surface-500">{{ collections.bookmarks.length }} item{% if collections.bookmarks.length != 1 %}s{% endif %}</p>
+            <p class="text-sm text-surface-600 dark:text-surface-400">{{ collections.bookmarks.length }} item{% if collections.bookmarks.length != 1 %}s{% endif %}</p>
           </div>
         </div>
         <p class="text-surface-600 dark:text-surface-400 text-sm">Links I've saved for later.</p>
@@ -98,7 +102,7 @@ permalink: /interactions/
           </div>
           <div>
             <h2 class="text-lg font-semibold text-surface-900 dark:text-surface-100 group-hover:text-rose-600 dark:group-hover:text-rose-400">Reposts</h2>
-            <p class="text-sm text-surface-500">{{ collections.reposts.length }} item{% if collections.reposts.length != 1 %}s{% endif %}</p>
+            <p class="text-sm text-surface-600 dark:text-surface-400">{{ collections.reposts.length }} item{% if collections.reposts.length != 1 %}s{% endif %}</p>
           </div>
         </div>
         <p class="text-surface-600 dark:text-surface-400 text-sm">Content I've shared from others.</p>
@@ -114,7 +118,7 @@ permalink: /interactions/
           </div>
           <div>
             <h2 class="text-lg font-semibold text-surface-900 dark:text-surface-100 group-hover:text-purple-600 dark:group-hover:text-purple-400">Photos</h2>
-            <p class="text-sm text-surface-500">{{ collections.photos.length }} item{% if collections.photos.length != 1 %}s{% endif %}</p>
+            <p class="text-sm text-surface-600 dark:text-surface-400">{{ collections.photos.length }} item{% if collections.photos.length != 1 %}s{% endif %}</p>
           </div>
         </div>
         <p class="text-surface-600 dark:text-surface-400 text-sm">Photo posts and images.</p>
@@ -137,7 +141,7 @@ permalink: /interactions/
   </div>
 
   {# ===== INBOUND TAB - Received Webmentions ===== #}
-  <div x-show="activeTab === 'inbound'" x-transition>
+  <div x-show="activeTab === 'inbound'" x-transition role="tabpanel" id="interactions-panel-inbound" aria-labelledby="interactions-tab-inbound">
     <div class="flex items-center justify-between mb-6">
       <p class="text-surface-600 dark:text-surface-400 text-sm">Webmentions and interactions others have made with my content.</p>
       <button
@@ -154,7 +158,7 @@ permalink: /interactions/
     {# Loading state #}
     <div x-show="loading && !webmentions.length" class="text-center py-12">
       <div class="inline-block animate-spin rounded-full h-8 w-8 border-b-2 border-rose-500"></div>
-      <p class="mt-4 text-surface-500">Loading webmentions...</p>
+      <p class="mt-4 text-surface-600 dark:text-surface-400">Loading webmentions...</p>
     </div>
 
     {# Setup required state — shown when webmentions proxy is not configured #}
@@ -263,7 +267,7 @@ permalink: /interactions/
                   <svg class="w-3 h-3" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><circle cx="12" cy="12" r="10"/><line x1="2" y1="12" x2="22" y2="12"/><path d="M12 2a15.3 15.3 0 014 10 15.3 15.3 0 01-4 10 15.3 15.3 0 01-4-10 15.3 15.3 0 014-10z"/></svg>
                 </span>
 
-                <a :href="wm.url || '#'" target="_blank" rel="noopener" class="text-xs text-surface-500 hover:underline">
+                <a :href="wm.url || '#'" target="_blank" rel="noopener" class="text-xs text-surface-600 dark:text-surface-400 hover:underline">
                   <time class="font-mono text-sm" :datetime="wm.published || wm['wm-received']" x-text="formatDate(wm.published || wm['wm-received'])"></time>
                 </a>
               </div>
@@ -272,7 +276,7 @@ permalink: /interactions/
               <div x-show="wm.content?.text" class="text-surface-700 dark:text-surface-300 text-sm mt-2" x-text="truncateText(wm.content?.text, 280)"></div>
 
               {# Target URL - which of my posts this is about #}
-              <div class="mt-2 text-xs text-surface-500">
+              <div class="mt-2 text-xs text-surface-600 dark:text-surface-400">
                 <span>on </span>
                 <a :href="wm['wm-target']" class="text-rose-600 dark:text-rose-400 hover:underline" x-text="formatTargetUrl(wm['wm-target'])"></a>
               </div>
@@ -282,7 +286,7 @@ permalink: /interactions/
       </template>
 
       {# Empty state #}
-      <div x-show="!loading && filteredWebmentions.length === 0" class="text-center py-12 text-surface-500">
+      <div x-show="!loading && filteredWebmentions.length === 0" class="text-center py-12 text-surface-600 dark:text-surface-400">
         <p>No webmentions found for this filter.</p>
       </div>
 
@@ -291,7 +295,7 @@ permalink: /interactions/
         <nav class="pagination" aria-label="Webmentions pagination">
           <div class="pagination-info">
             Page <span x-text="currentPage"></span> of <span x-text="totalPages"></span>
-            <span class="text-surface-400 dark:text-surface-500 ml-1">(<span x-text="filteredWebmentions.length"></span> total)</span>
+            <span class="text-surface-600 dark:text-surface-400 ml-1">(<span x-text="filteredWebmentions.length"></span> total)</span>
           </div>
           <div class="pagination-links">
             <button
diff --git a/js/lightbox.js b/js/lightbox.js
index 07e440b..d7616c9 100644
--- a/js/lightbox.js
+++ b/js/lightbox.js
@@ -11,6 +11,7 @@ document.addEventListener("alpine:init", () => {
     alt: "",
     images: [],
     currentIndex: 0,
+    triggerElement: null,
 
     init() {
       const container = this.$root;
@@ -21,14 +22,24 @@ document.addEventListener("alpine:init", () => {
 
       this.images.forEach((img, i) => {
         img.style.cursor = "zoom-in";
+        img.setAttribute("tabindex", "0");
+        img.setAttribute("role", "button");
+        img.setAttribute("aria-label", (img.alt || "Image") + " — click to enlarge");
         img.addEventListener("click", (e) => {
           e.preventDefault();
           this.show(i);
         });
+        img.addEventListener("keydown", (e) => {
+          if (e.key === "Enter" || e.key === " ") {
+            e.preventDefault();
+            this.show(i);
+          }
+        });
       });
     },
 
     show(index) {
+      this.triggerElement = this.images[index];
       this.currentIndex = index;
       const img = this.images[index];
       // Use the largest source available
@@ -48,12 +59,22 @@ document.addEventListener("alpine:init", () => {
       this.alt = img.alt || "";
       this.open = true;
       document.body.style.overflow = "hidden";
+      // Move focus to close button for keyboard users
+      this.$nextTick(() => {
+        const closeBtn = document.querySelector('[x-ref="closeBtn"]');
+        if (closeBtn) closeBtn.focus();
+      });
     },
 
     close() {
       this.open = false;
       this.src = "";
       document.body.style.overflow = "";
+      // Return focus to the image that triggered the lightbox
+      if (this.triggerElement) {
+        this.triggerElement.focus();
+        this.triggerElement = null;
+      }
     },
 
     next() {
diff --git a/js/time-difference.js b/js/time-difference.js
index 792de54..7495da7 100644
--- a/js/time-difference.js
+++ b/js/time-difference.js
@@ -78,9 +78,12 @@ class TimeDifference extends HTMLElement {
       const relative = rtf.format(value, unit);
 
       // Store original text as title for hover tooltip
+      const originalText = time.textContent.trim();
       if (!time.hasAttribute("title")) {
-        time.setAttribute("title", time.textContent.trim());
+        time.setAttribute("title", originalText);
       }
+      // aria-label provides the full context: "2 days ago (March 5, 2026)"
+      time.setAttribute("aria-label", relative + " (" + originalText + ")");
       time.textContent = relative;
     } catch {
       // Intl.RelativeTimeFormat not supported, keep static text
diff --git a/js/webmentions.js b/js/webmentions.js
index 7c6454c..f558471 100644
--- a/js/webmentions.js
+++ b/js/webmentions.js
@@ -197,22 +197,26 @@
     items.forEach((item) => {
       const author = item.author || {};
 
+      const li = document.createElement('li');
+      li.className = 'inline';
+
       const link = document.createElement('a');
       link.href = author.url || '#';
       link.className = 'facepile-avatar';
-      link.title = author.name || 'Anonymous';
+      link.setAttribute('aria-label', (author.name || 'Anonymous') + ' (opens in new tab)');
       link.target = '_blank';
       link.rel = 'noopener';
       link.dataset.new = 'true';
 
       const img = document.createElement('img');
       img.src = author.photo || '/images/default-avatar.svg';
-      img.alt = author.name || 'Anonymous';
+      img.alt = '';
       img.className = 'w-8 h-8 rounded-full ring-2 ring-white dark:ring-surface-900';
       img.loading = 'lazy';
 
       link.appendChild(img);
-      row.appendChild(link);
+      li.appendChild(link);
+      row.appendChild(li);
     });
   }
 
@@ -278,7 +282,7 @@
 
       const dateLink = document.createElement('a');
       dateLink.href = item.url || '#';
-      dateLink.className = 'text-xs text-surface-500 hover:underline';
+      dateLink.className = 'text-xs text-surface-600 dark:text-surface-400 hover:underline';
       dateLink.target = '_blank';
       dateLink.rel = 'noopener';
 
@@ -396,8 +400,9 @@
     header.className = 'text-sm font-semibold text-surface-600 dark:text-surface-400 uppercase tracking-wide mb-3';
     header.textContent = `0 ${type === 'likes' ? 'Likes' : 'Reposts'}`;
 
-    const row = document.createElement('div');
+    const row = document.createElement('ul');
     row.className = 'facepile';
+    row.setAttribute('role', 'list');
 
     section.appendChild(header);
     section.appendChild(row);
@@ -446,6 +451,8 @@
     const section = document.createElement('section');
     section.className = 'webmentions mt-8 pt-8 border-t border-surface-200 dark:border-surface-700';
     section.id = 'webmentions';
+    section.setAttribute('aria-live', 'polite');
+    section.setAttribute('aria-label', 'Webmentions');
 
     const header = document.createElement('h2');
     header.className = 'text-xl font-bold text-surface-900 dark:text-surface-100 mb-6';
diff --git a/lib/unfurl-shortcode.js b/lib/unfurl-shortcode.js
index e4de48f..63e43e9 100644
--- a/lib/unfurl-shortcode.js
+++ b/lib/unfurl-shortcode.js
@@ -109,8 +109,8 @@ export function renderCard(url, metadata) {
   <a href="${escapeHtml(url)}" rel="noopener" target="_blank" class="flex no-underline text-inherit hover:text-inherit">
     <div class="flex-1 p-3 sm:p-4 min-w-0">
       <p class="font-semibold text-sm sm:text-base text-surface-900 dark:text-surface-100 truncate m-0">${escapeHtml(title)}</p>
-      ${desc ? `<p class="text-xs sm:text-sm text-surface-500 dark:text-surface-400 mt-1 m-0 line-clamp-2">${escapeHtml(desc)}</p>` : ""}
-      <p class="text-xs text-surface-400 dark:text-surface-500 mt-2 m-0">${faviconHtml}${escapeHtml(domain)}</p>
+      ${desc ? `<p class="text-xs sm:text-sm text-surface-600 dark:text-surface-400 mt-1 m-0 line-clamp-2">${escapeHtml(desc)}</p>` : ""}
+      <p class="text-xs text-surface-400 dark:text-surface-400 mt-2 m-0">${faviconHtml}${escapeHtml(domain)}</p>
     </div>
     ${imgHtml}
   </a>
diff --git a/likes.njk b/likes.njk
index ba1689d..ad38519 100644
--- a/likes.njk
+++ b/likes.njk
@@ -53,7 +53,7 @@ permalink: "likes/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNumbe
           {% set likedUrl = post.data.likeOf or post.data.like_of %}
           {% if likedUrl %}
           {% unfurl likedUrl %}
-          <a class="u-like-of text-xs text-surface-400 dark:text-surface-500 hover:underline break-all mt-1 inline-block" href="{{ likedUrl }}">
+          <a class="u-like-of text-xs text-surface-600 dark:text-surface-400 hover:underline break-all mt-1 inline-block" href="{{ likedUrl }}">
             {{ likedUrl }}
           </a>
           {% endif %}
@@ -82,7 +82,7 @@ permalink: "likes/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNumbe
         Previous
       </a>
       {% else %}
-      <span class="pagination-link disabled">
+      <span class="pagination-link disabled" aria-disabled="true">
         <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 19l-7-7 7-7"></path></svg>
         Previous
       </span>
@@ -94,7 +94,7 @@ permalink: "likes/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNumbe
         <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"></path></svg>
       </a>
       {% else %}
-      <span class="pagination-link disabled">
+      <span class="pagination-link disabled" aria-disabled="true">
         Next
         <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"></path></svg>
       </span>
diff --git a/listening.njk b/listening.njk
index d821958..bc040ea 100644
--- a/listening.njk
+++ b/listening.njk
@@ -99,9 +99,9 @@ withSidebar: true
             </h2>
             <p class="text-surface-600 dark:text-surface-400">{{ fwNowPlaying.artist }}</p>
             {% if fwNowPlaying.album %}
-            <p class="text-sm text-surface-500 mt-1">{{ fwNowPlaying.album }}</p>
+            <p class="text-sm text-surface-600 dark:text-surface-400 mt-1">{{ fwNowPlaying.album }}</p>
             {% endif %}
-            <p class="text-xs text-surface-500 mt-2">{{ fwNowPlaying.relativeTime }}</p>
+            <p class="text-xs text-surface-600 dark:text-surface-400 mt-2">{{ fwNowPlaying.relativeTime }}</p>
           </div>
         </div>
       </div>
@@ -154,9 +154,9 @@ withSidebar: true
             </h2>
             <p class="text-surface-600 dark:text-surface-400">{{ lfmNowPlaying.artist }}</p>
             {% if lfmNowPlaying.album %}
-            <p class="text-sm text-surface-500 mt-1">{{ lfmNowPlaying.album }}</p>
+            <p class="text-sm text-surface-600 dark:text-surface-400 mt-1">{{ lfmNowPlaying.album }}</p>
             {% endif %}
-            <p class="text-xs text-surface-500 mt-2">{{ lfmNowPlaying.relativeTime }}</p>
+            <p class="text-xs text-surface-600 dark:text-surface-400 mt-2">{{ lfmNowPlaying.relativeTime }}</p>
           </div>
         </div>
       </div>
@@ -187,15 +187,15 @@ withSidebar: true
         <div class="grid grid-cols-3 gap-4 text-center">
           <div>
             <div class="text-2xl font-bold text-surface-900 dark:text-surface-100">{{ funkwhaleActivity.stats.summary.all.totalPlays | default(0) }}</div>
-            <div class="text-xs text-surface-500 uppercase">Plays</div>
+            <div class="text-xs text-surface-600 dark:text-surface-400 uppercase">Plays</div>
           </div>
           <div>
             <div class="text-2xl font-bold text-surface-900 dark:text-surface-100">{{ funkwhaleActivity.stats.summary.all.uniqueArtists | default(0) }}</div>
-            <div class="text-xs text-surface-500 uppercase">Artists</div>
+            <div class="text-xs text-surface-600 dark:text-surface-400 uppercase">Artists</div>
           </div>
           <div>
             <div class="text-2xl font-bold text-surface-900 dark:text-surface-100">{{ funkwhaleActivity.stats.summary.all.uniqueTracks | default(0) }}</div>
-            <div class="text-xs text-surface-500 uppercase">Tracks</div>
+            <div class="text-xs text-surface-600 dark:text-surface-400 uppercase">Tracks</div>
           </div>
         </div>
         {# Top Artists #}
@@ -206,7 +206,7 @@ withSidebar: true
             {% for artist in funkwhaleActivity.stats.topArtists.all | head(5) %}
             <div class="flex justify-between text-sm">
               <span class="text-surface-600 dark:text-surface-400 truncate">{{ artist.name }}</span>
-              <span class="text-surface-500 ml-2">{{ artist.playCount }}</span>
+              <span class="text-surface-600 dark:text-surface-400 ml-2">{{ artist.playCount }}</span>
             </div>
             {% endfor %}
           </div>
@@ -225,15 +225,15 @@ withSidebar: true
         <div class="grid grid-cols-3 gap-4 text-center">
           <div>
             <div class="text-2xl font-bold text-surface-900 dark:text-surface-100">{{ lastfmActivity.stats.summary.all.totalPlays | default(0) }}</div>
-            <div class="text-xs text-surface-500 uppercase">Scrobbles</div>
+            <div class="text-xs text-surface-600 dark:text-surface-400 uppercase">Scrobbles</div>
           </div>
           <div>
             <div class="text-2xl font-bold text-surface-900 dark:text-surface-100">{{ lastfmActivity.stats.summary.all.uniqueArtists | default(0) }}</div>
-            <div class="text-xs text-surface-500 uppercase">Artists</div>
+            <div class="text-xs text-surface-600 dark:text-surface-400 uppercase">Artists</div>
           </div>
           <div>
             <div class="text-2xl font-bold text-surface-900 dark:text-surface-100">{{ lastfmActivity.stats.summary.all.lovedCount | default(0) }}</div>
-            <div class="text-xs text-surface-500 uppercase">Loved</div>
+            <div class="text-xs text-surface-600 dark:text-surface-400 uppercase">Loved</div>
           </div>
         </div>
         {# Top Artists from Last.fm #}
@@ -244,7 +244,7 @@ withSidebar: true
             {% for artist in lastfmActivity.stats.topArtists.all | head(5) %}
             <div class="flex justify-between text-sm">
               <span class="text-surface-600 dark:text-surface-400 truncate">{{ artist.name }}</span>
-              <span class="text-surface-500 ml-2">{{ artist.playCount }}</span>
+              <span class="text-surface-600 dark:text-surface-400 ml-2">{{ artist.playCount }}</span>
             </div>
             {% endfor %}
           </div>
@@ -294,7 +294,7 @@ withSidebar: true
 
           <div class="text-right flex-shrink-0">
             <span class="inline-block px-2 py-0.5 text-xs font-medium bg-purple-100 dark:bg-purple-900/30 text-purple-700 dark:text-purple-400 rounded-full mb-1">Funkwhale</span>
-            <span class="text-xs text-surface-500 block">{{ listening.relativeTime }}</span>
+            <span class="text-xs text-surface-600 dark:text-surface-400 block">{{ listening.relativeTime }}</span>
             <button
               class="share-post-btn mt-1"
               data-share-url="{{ listening.trackUrl }}"
@@ -351,7 +351,7 @@ withSidebar: true
 
           <div class="text-right flex-shrink-0">
             <span class="inline-block px-2 py-0.5 text-xs font-medium bg-purple-100 dark:bg-purple-900/30 text-purple-700 dark:text-purple-400 rounded-full mb-1">Last.fm</span>
-            <span class="text-xs text-surface-500 block">{{ scrobble.relativeTime }}</span>
+            <span class="text-xs text-surface-600 dark:text-surface-400 block">{{ scrobble.relativeTime }}</span>
             <button
               class="share-post-btn mt-1"
               data-share-url="{{ scrobble.trackUrl }}"
@@ -391,7 +391,7 @@ withSidebar: true
         <path d="M12 21.35l-1.45-1.32C5.4 15.36 2 12.28 2 8.5 2 5.42 4.42 3 7.5 3c1.74 0 3.41.81 4.5 2.09C13.09 3.81 14.76 3 16.5 3 19.58 3 22 5.42 22 8.5c0 3.78-3.4 6.86-8.55 11.54L12 21.35z"/>
       </svg>
       Loved Tracks
-      <span class="text-sm font-normal text-surface-500">(Last.fm)</span>
+      <span class="text-sm font-normal text-surface-600 dark:text-surface-400">(Last.fm)</span>
     </h2>
 
     <div class="grid gap-3 sm:gap-4 md:grid-cols-2">
@@ -452,7 +452,7 @@ withSidebar: true
         <path d="M12 21.35l-1.45-1.32C5.4 15.36 2 12.28 2 8.5 2 5.42 4.42 3 7.5 3c1.74 0 3.41.81 4.5 2.09C13.09 3.81 14.76 3 16.5 3 19.58 3 22 5.42 22 8.5c0 3.78-3.4 6.86-8.55 11.54L12 21.35z"/>
       </svg>
       Favorite Tracks
-      <span class="text-sm font-normal text-surface-500">(Funkwhale)</span>
+      <span class="text-sm font-normal text-surface-600 dark:text-surface-400">(Funkwhale)</span>
     </h2>
 
     <div class="grid gap-3 sm:gap-4 md:grid-cols-2">
@@ -478,7 +478,7 @@ withSidebar: true
           </h3>
           <p class="text-sm text-surface-600 dark:text-surface-400 truncate">{{ favorite.artist }}</p>
           {% if favorite.album %}
-          <p class="text-xs text-surface-500 truncate">{{ favorite.album }}</p>
+          <p class="text-xs text-surface-600 dark:text-surface-400 truncate">{{ favorite.album }}</p>
           {% endif %}
         </div>
         <button
diff --git a/news.njk b/news.njk
index f855cda..799fc28 100644
--- a/news.njk
+++ b/news.njk
@@ -10,10 +10,10 @@ withSidebar: true
     <p class="text-surface-600 dark:text-surface-400">
       Aggregated content from my favorite feeds
     </p>
-    <p class="text-xs text-surface-500 mt-2" x-show="lastUpdated">
+    <p class="text-xs text-surface-600 dark:text-surface-400 mt-2" x-show="lastUpdated">
       Last updated: <span class="font-mono" x-text="formatDate(lastUpdated, 'full')"></span>
-      <button @click="refresh()" class="ml-2 text-accent-600 hover:text-accent-700 dark:text-accent-400 rounded" :disabled="loading">
-        <svg class="w-3 h-3 inline" :class="{ 'animate-spin': loading }" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+      <button @click="refresh()" class="ml-2 text-accent-600 hover:text-accent-700 dark:text-accent-400 rounded" :disabled="loading" aria-label="Refresh news">
+        <svg class="w-3 h-3 inline" :class="{ 'animate-spin': loading }" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true">
           <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 4v5h.582m15.356 2A8.001 8.001 0 004.582 9m0 0H9m11 11v-5h-.581m0 0a8.003 8.003 0 01-15.357-2m15.357 2H15"/>
         </svg>
       </button>
@@ -21,8 +21,8 @@ withSidebar: true
   </header>
 
   {# Loading State #}
-  <div x-show="loading && items.length === 0" class="text-center py-12">
-    <svg class="w-8 h-8 mx-auto text-accent-600 animate-spin mb-4" fill="none" viewBox="0 0 24 24">
+  <div x-show="loading && items.length === 0" class="text-center py-12" role="status">
+    <svg class="w-8 h-8 mx-auto text-accent-600 animate-spin mb-4" fill="none" viewBox="0 0 24 24" aria-hidden="true">
       <circle class="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" stroke-width="4"></circle>
       <path class="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"></path>
     </svg>
@@ -30,7 +30,7 @@ withSidebar: true
   </div>
 
   {# Error State #}
-  <div x-show="error" class="bg-red-50 dark:bg-red-900/20 border border-red-200 dark:border-red-800 rounded-lg p-4 mb-6">
+  <div x-show="error" role="alert" class="bg-red-50 dark:bg-red-900/20 border border-red-200 dark:border-red-800 rounded-lg p-4 mb-6">
     <p class="text-red-700 dark:text-red-400" x-text="error"></p>
     <button @click="refresh()" class="mt-2 text-sm text-red-600 hover:text-red-700 underline">Try again</button>
   </div>
@@ -45,6 +45,7 @@ withSidebar: true
           <button
             @click="viewMode = 'list'"
             :class="viewMode === 'list' ? 'bg-accent-600 text-white' : 'bg-surface-100 dark:bg-surface-800 text-surface-700 dark:text-surface-300 hover:bg-surface-200 dark:hover:bg-surface-700'"
+            :aria-pressed="(viewMode === 'list').toString()"
             class="px-3 py-2 rounded-lg text-sm font-medium transition-colors flex items-center gap-2"
             title="List view"
           >
@@ -56,6 +57,7 @@ withSidebar: true
           <button
             @click="viewMode = 'card'"
             :class="viewMode === 'card' ? 'bg-accent-600 text-white' : 'bg-surface-100 dark:bg-surface-800 text-surface-700 dark:text-surface-300 hover:bg-surface-200 dark:hover:bg-surface-700'"
+            :aria-pressed="(viewMode === 'card').toString()"
             class="px-3 py-2 rounded-lg text-sm font-medium transition-colors flex items-center gap-2"
             title="Card view"
           >
@@ -67,6 +69,7 @@ withSidebar: true
           <button
             @click="viewMode = 'full'"
             :class="viewMode === 'full' ? 'bg-accent-600 text-white' : 'bg-surface-100 dark:bg-surface-800 text-surface-700 dark:text-surface-300 hover:bg-surface-200 dark:hover:bg-surface-700'"
+            :aria-pressed="(viewMode === 'full').toString()"
             class="px-3 py-2 rounded-lg text-sm font-medium transition-colors flex items-center gap-2"
             title="Expanded view"
           >
@@ -79,7 +82,9 @@ withSidebar: true
 
         {# Feed Filter Dropdown #}
         <div class="relative" x-show="feeds.length > 1">
+          <label for="news-feed-filter" class="sr-only">Filter by feed source</label>
           <select
+            id="news-feed-filter"
             x-model="filterFeed"
             class="appearance-none bg-surface-100 dark:bg-surface-800 border border-surface-300 dark:border-surface-600 rounded-lg px-4 py-2 pr-8 text-sm text-surface-700 dark:text-surface-300 transition-colors"
           >
@@ -88,7 +93,7 @@ withSidebar: true
               <option :value="feed.id" x-text="feed.title"></option>
             </template>
           </select>
-          <svg class="absolute right-2 top-1/2 transform -translate-y-1/2 w-4 h-4 text-surface-500 pointer-events-none" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+          <svg class="absolute right-2 top-1/2 transform -translate-y-1/2 w-4 h-4 text-surface-600 dark:text-surface-400 pointer-events-none" fill="none" stroke="currentColor" viewBox="0 0 24 24">
             <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/>
           </svg>
         </div>
@@ -97,11 +102,11 @@ withSidebar: true
       {# Stats Bar #}
       <div class="flex flex-wrap gap-4 mb-6 p-4 bg-surface-50 dark:bg-surface-800/50 rounded-lg border border-surface-200 dark:border-surface-700 shadow-sm text-sm">
         <div class="flex items-center gap-2">
-          <span class="text-surface-500">Feeds:</span>
+          <span class="text-surface-600 dark:text-surface-400">Feeds:</span>
           <span class="font-medium font-mono text-surface-900 dark:text-surface-100" x-text="status?.stats?.feedsCount || feeds.length"></span>
         </div>
         <div class="flex items-center gap-2">
-          <span class="text-surface-500">Items:</span>
+          <span class="text-surface-600 dark:text-surface-400">Items:</span>
           <span class="font-medium font-mono text-surface-900 dark:text-surface-100" x-text="status?.stats?.itemsCount || items.length"></span>
         </div>
         <div x-show="status?.status === 'syncing'" class="flex items-center gap-2 text-orange-600 dark:text-orange-400">
@@ -144,7 +149,7 @@ withSidebar: true
                   ></a>
                 </h2>
                 <p x-show="item.description" class="text-sm text-surface-600 dark:text-surface-400 line-clamp-2 mb-2" x-text="item.description"></p>
-                <div class="flex flex-wrap items-center gap-2 text-xs text-surface-500">
+                <div class="flex flex-wrap items-center gap-2 text-xs text-surface-600 dark:text-surface-400">
                   <a
                     :href="item.sourceUrl || getFeedUrl(item.feedId) || item.link"
                     class="inline-flex items-center gap-1 px-2 py-0.5 bg-surface-100 dark:bg-surface-700 rounded-full hover:bg-surface-200 dark:hover:bg-surface-600 transition-colors"
@@ -210,7 +215,7 @@ withSidebar: true
                   ></a>
                 </h2>
                 <p x-show="item.description" class="text-sm text-surface-600 dark:text-surface-400 line-clamp-3 mb-3" x-text="item.description"></p>
-                <div class="flex items-center justify-between text-xs text-surface-500">
+                <div class="flex items-center justify-between text-xs text-surface-600 dark:text-surface-400">
                   <span class="truncate max-w-[60%]" x-text="truncate(item.sourceTitle || item.feedTitle, 20)"></span>
                   <time class="font-mono text-sm" :datetime="item.pubDate" x-text="formatDate(item.pubDate)"></time>
                 </div>
@@ -264,7 +269,7 @@ withSidebar: true
                     <span class="font-medium text-surface-700 dark:text-surface-300" x-text="item.sourceTitle || item.feedTitle"></span>
                   </a>
                   <span x-show="item.author" class="text-surface-600 dark:text-surface-400" x-text="'by ' + item.author"></span>
-                  <time :datetime="item.pubDate" class="font-mono text-sm text-surface-500" x-text="formatDate(item.pubDate, 'long')"></time>
+                  <time :datetime="item.pubDate" class="font-mono text-sm text-surface-600 dark:text-surface-400" x-text="formatDate(item.pubDate, 'long')"></time>
                 </div>
 
                 <h2 class="text-xl sm:text-2xl font-bold text-surface-900 dark:text-surface-100 mb-4">
@@ -349,11 +354,11 @@ withSidebar: true
 
   {# Empty State #}
   <div x-show="!loading && items.length === 0 && !error" class="text-center py-12">
-    <svg class="w-16 h-16 mx-auto text-surface-300 dark:text-surface-600 mb-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+    <svg class="w-16 h-16 mx-auto text-surface-300 dark:text-surface-400 mb-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
       <path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" d="M19 20H5a2 2 0 01-2-2V6a2 2 0 012-2h10a2 2 0 012 2v1m2 13a2 2 0 01-2-2V7m2 13a2 2 0 002-2V9a2 2 0 00-2-2h-2m-4-3H9M7 16h6M7 8h6v4H7V8z"/>
     </svg>
     <p class="text-surface-600 dark:text-surface-400 text-lg">No news items yet.</p>
-    <p class="text-surface-500 text-sm mt-2">Add some RSS feeds to get started.</p>
+    <p class="text-surface-600 dark:text-surface-400 text-sm mt-2">Add some RSS feeds to get started.</p>
   </div>
 </div>
 
diff --git a/notes.njk b/notes.njk
index a86ed3c..55aa96e 100644
--- a/notes.njk
+++ b/notes.njk
@@ -28,7 +28,7 @@ permalink: "notes/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNumbe
     <li class="h-entry post-card border-l-[3px] border-l-teal-400 dark:border-l-teal-500">
       <div class="post-header">
         <a class="u-url" href="{{ post.url }}">
-          <time class="dt-published text-sm text-surface-500 dark:text-surface-400 font-medium font-mono" datetime="{{ post.date | isoDate }}">
+          <time class="dt-published text-sm text-surface-600 dark:text-surface-400 font-medium font-mono" datetime="{{ post.date | isoDate }}">
             {{ post.date | dateDisplay }}
           </time>
         </a>
@@ -69,7 +69,7 @@ permalink: "notes/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNumbe
         Previous
       </a>
       {% else %}
-      <span class="pagination-link disabled">
+      <span class="pagination-link disabled" aria-disabled="true">
         <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 19l-7-7 7-7"></path></svg>
         Previous
       </span>
@@ -81,7 +81,7 @@ permalink: "notes/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNumbe
         <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"></path></svg>
       </a>
       {% else %}
-      <span class="pagination-link disabled">
+      <span class="pagination-link disabled" aria-disabled="true">
         Next
         <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"></path></svg>
       </span>
diff --git a/photos.njk b/photos.njk
index 449d310..bce12c1 100644
--- a/photos.njk
+++ b/photos.njk
@@ -77,7 +77,7 @@ permalink: "photos/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNumb
         Previous
       </a>
       {% else %}
-      <span class="pagination-link disabled">
+      <span class="pagination-link disabled" aria-disabled="true">
         <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 19l-7-7 7-7"></path></svg>
         Previous
       </span>
@@ -89,7 +89,7 @@ permalink: "photos/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNumb
         <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"></path></svg>
       </a>
       {% else %}
-      <span class="pagination-link disabled">
+      <span class="pagination-link disabled" aria-disabled="true">
         Next
         <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"></path></svg>
       </span>
diff --git a/podroll.njk b/podroll.njk
index 777501b..0cf5551 100644
--- a/podroll.njk
+++ b/podroll.njk
@@ -14,10 +14,10 @@ permalink: /podroll/
     <p class="text-surface-600 dark:text-surface-400">
       My podcast subscriptions - recent episodes from <span x-text="sources.length" class="font-medium font-mono"></span> podcasts
     </p>
-    <p class="text-xs text-surface-500 mt-2" x-show="status?.episodes?.lastSync">
+    <p class="text-xs text-surface-600 dark:text-surface-400 mt-2" x-show="status?.episodes?.lastSync">
       Last synced: <span class="font-mono" x-text="formatDate(status?.episodes?.lastSync, 'full')"></span>
-      <button @click="refresh()" class="ml-2 text-orange-600 hover:text-orange-700 dark:text-orange-400 transition-colors rounded" :disabled="loading">
-        <svg class="w-3 h-3 inline" :class="{ 'animate-spin': loading }" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+      <button @click="refresh()" class="ml-2 text-orange-600 hover:text-orange-700 dark:text-orange-400 transition-colors rounded" :disabled="loading" aria-label="Refresh episodes">
+        <svg class="w-3 h-3 inline" :class="{ 'animate-spin': loading }" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true">
           <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 4v5h.582m15.356 2A8.001 8.001 0 004.582 9m0 0H9m11 11v-5h-.581m0 0a8.003 8.003 0 01-15.357-2m15.357 2H15"/>
         </svg>
       </button>
@@ -28,8 +28,8 @@ permalink: /podroll/
     {# Main Content - Episodes #}
     <div class="main-content">
       {# Loading State #}
-      <div x-show="loading && episodes.length === 0" class="text-center py-12">
-        <svg class="w-8 h-8 mx-auto text-orange-600 animate-spin mb-4" fill="none" viewBox="0 0 24 24">
+      <div x-show="loading && episodes.length === 0" class="text-center py-12" role="status">
+        <svg class="w-8 h-8 mx-auto text-orange-600 animate-spin mb-4" fill="none" viewBox="0 0 24 24" aria-hidden="true">
           <circle class="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" stroke-width="4"></circle>
           <path class="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"></path>
         </svg>
@@ -37,7 +37,7 @@ permalink: /podroll/
       </div>
 
       {# Error State #}
-      <div x-show="error" class="bg-red-50 dark:bg-red-900/20 border border-red-200 dark:border-red-800 rounded-lg p-4 mb-6">
+      <div x-show="error" role="alert" class="bg-red-50 dark:bg-red-900/20 border border-red-200 dark:border-red-800 rounded-lg p-4 mb-6">
         <p class="text-red-700 dark:text-red-400" x-text="error"></p>
         <button @click="refresh()" class="mt-2 text-sm text-red-600 hover:text-red-700 underline">Try again</button>
       </div>
@@ -45,7 +45,9 @@ permalink: /podroll/
       {# Filter by Podcast #}
       <div x-show="episodes.length > 0" class="mb-6">
         <div class="relative">
+          <label for="podroll-filter" class="sr-only">Filter by podcast</label>
           <select
+            id="podroll-filter"
             x-model="filterPodcast"
             class="w-full sm:w-auto appearance-none bg-surface-100 dark:bg-surface-800 border border-surface-300 dark:border-surface-600 rounded-lg px-4 py-2 pr-10 text-sm text-surface-700 dark:text-surface-300"
           >
@@ -54,7 +56,7 @@ permalink: /podroll/
               <option :value="source.title" x-text="source.title"></option>
             </template>
           </select>
-          <svg class="absolute right-3 top-1/2 transform -translate-y-1/2 w-4 h-4 text-surface-500 pointer-events-none" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+          <svg class="absolute right-3 top-1/2 transform -translate-y-1/2 w-4 h-4 text-surface-600 dark:text-surface-400 pointer-events-none" fill="none" stroke="currentColor" viewBox="0 0 24 24">
             <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/>
           </svg>
         </div>
@@ -70,7 +72,7 @@ permalink: /podroll/
                 <h2 class="font-semibold text-lg text-surface-900 dark:text-surface-100 mb-1">
                   <a :href="episode.url" class="hover:text-orange-600 dark:hover:text-orange-400 transition-colors" target="_blank" rel="noopener" x-text="episode.title"></a>
                 </h2>
-                <div class="flex flex-wrap items-center gap-2 text-sm text-surface-500">
+                <div class="flex flex-wrap items-center gap-2 text-sm text-surface-600 dark:text-surface-400">
                   <a
                     x-show="episode.podcast"
                     :href="episode.podcast?.url || '#'"
@@ -130,7 +132,7 @@ permalink: /podroll/
               <a
                 x-show="episode.podcast?.feedUrl"
                 :href="episode.podcast?.feedUrl"
-                class="inline-flex items-center gap-2 text-sm text-surface-500 hover:text-surface-700 dark:hover:text-surface-300 transition-colors"
+                class="inline-flex items-center gap-2 text-sm text-surface-600 dark:text-surface-400 hover:text-surface-700 dark:hover:text-surface-300 transition-colors"
                 target="_blank"
                 rel="noopener"
                 title="Subscribe to feed"
@@ -187,11 +189,11 @@ permalink: /podroll/
 
       {# Empty State #}
       <div x-show="!loading && episodes.length === 0 && !error" class="text-center py-12">
-        <svg class="w-16 h-16 mx-auto text-surface-300 dark:text-surface-600 mb-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+        <svg class="w-16 h-16 mx-auto text-surface-300 dark:text-surface-400 mb-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
           <path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" d="M19 11a7 7 0 01-7 7m0 0a7 7 0 01-7-7m7 7v4m0 0H8m4 0h4m-4-8a3 3 0 01-3-3V5a3 3 0 116 0v6a3 3 0 01-3 3z"/>
         </svg>
         <p class="text-surface-600 dark:text-surface-400 text-lg">No podcast episodes yet.</p>
-        <p class="text-surface-500 text-sm mt-2">Episodes will appear once the sync completes.</p>
+        <p class="text-surface-600 dark:text-surface-400 text-sm mt-2">Episodes will appear once the sync completes.</p>
       </div>
     </div>
 
@@ -204,10 +206,10 @@ permalink: /podroll/
             <path d="M4 4.44v2.83c7.03 0 12.73 5.7 12.73 12.73h2.83c0-8.59-6.97-15.56-15.56-15.56zm0 5.66v2.83c3.9 0 7.07 3.17 7.07 7.07h2.83c0-5.47-4.43-9.9-9.9-9.9z"/>
           </svg>
           Subscriptions
-          <span class="text-sm font-normal font-mono text-surface-500" x-text="'(' + sources.length + ')'"></span>
+          <span class="text-sm font-normal font-mono text-surface-600 dark:text-surface-400" x-text="'(' + sources.length + ')'"></span>
         </h3>
 
-        <div x-show="sources.length === 0 && !loading" class="text-sm text-surface-500 text-center py-4">
+        <div x-show="sources.length === 0 && !loading" class="text-sm text-surface-600 dark:text-surface-400 text-center py-4">
           No subscriptions loaded yet.
         </div>
 
@@ -225,7 +227,7 @@ permalink: /podroll/
                 </div>
                 <div class="flex-1 min-w-0">
                   <p class="text-sm font-medium text-surface-900 dark:text-surface-100 truncate" x-text="source.title"></p>
-                  <p x-show="source.category" class="text-xs text-surface-500 truncate" x-text="source.category"></p>
+                  <p x-show="source.category" class="text-xs text-surface-600 dark:text-surface-400 truncate" x-text="source.category"></p>
                 </div>
                 <a
                   :href="source.xmlUrl"
diff --git a/readlater.njk b/readlater.njk
index 4ae00cf..e867768 100644
--- a/readlater.njk
+++ b/readlater.njk
@@ -20,8 +20,8 @@ permalink: /readlater/
     {# Main Content #}
     <div class="main-content">
       {# Loading State #}
-      <div x-show="loading" class="text-center py-12">
-        <svg class="w-8 h-8 mx-auto text-orange-600 animate-spin mb-4" fill="none" viewBox="0 0 24 24">
+      <div x-show="loading" class="text-center py-12" role="status">
+        <svg class="w-8 h-8 mx-auto text-orange-600 animate-spin mb-4" fill="none" viewBox="0 0 24 24" aria-hidden="true">
           <circle class="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" stroke-width="4"></circle>
           <path class="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"></path>
         </svg>
@@ -29,7 +29,7 @@ permalink: /readlater/
       </div>
 
       {# Error State #}
-      <div x-show="error" class="bg-red-50 dark:bg-red-900/20 border border-red-200 dark:border-red-800 rounded-lg p-4 mb-6">
+      <div x-show="error" role="alert" class="bg-red-50 dark:bg-red-900/20 border border-red-200 dark:border-red-800 rounded-lg p-4 mb-6">
         <p class="text-red-700 dark:text-red-400" x-text="error"></p>
         <button @click="fetchData()" class="mt-2 text-sm text-red-600 hover:text-red-700 underline">Try again</button>
       </div>
@@ -38,7 +38,9 @@ permalink: /readlater/
       <div x-show="!loading && items.length > 0" class="mb-6">
         <div class="flex flex-wrap items-center gap-3">
           <div class="relative">
+            <label for="readlater-source" class="sr-only">Filter by source</label>
             <select
+              id="readlater-source"
               x-model="selectedSource"
               @change="fetchData()"
               class="appearance-none bg-surface-50 dark:bg-surface-800 border border-surface-300 dark:border-surface-600 rounded-lg pl-3 pr-8 py-2 text-sm"
@@ -53,7 +55,9 @@ permalink: /readlater/
             </svg>
           </div>
           <div class="relative flex-1 max-w-xs">
+            <label for="readlater-search" class="sr-only">Search reading list</label>
             <input
+              id="readlater-search"
               type="search"
               x-model.debounce.300ms="searchQuery"
               @input="fetchData()"
@@ -91,7 +95,7 @@ permalink: /readlater/
                 <h2 class="font-semibold text-surface-900 dark:text-surface-100 mb-1">
                   <a :href="item.url" class="hover:text-orange-600 dark:hover:text-orange-400 transition-colors" target="_blank" rel="noopener" x-text="item.title"></a>
                 </h2>
-                <div class="flex flex-wrap items-center gap-2 text-sm text-surface-500">
+                <div class="flex flex-wrap items-center gap-2 text-sm text-surface-600 dark:text-surface-400">
                   <span
                     class="inline-flex items-center px-2 py-0.5 bg-surface-100 dark:bg-surface-700 rounded-full text-xs"
                     x-text="item.source"
@@ -132,11 +136,11 @@ permalink: /readlater/
 
       {# Empty State #}
       <div x-show="!loading && items.length === 0 && !error" class="text-center py-12">
-        <svg class="w-16 h-16 mx-auto text-surface-300 dark:text-surface-600 mb-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+        <svg class="w-16 h-16 mx-auto text-surface-300 dark:text-surface-400 mb-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
           <path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" d="M5 5a2 2 0 012-2h10a2 2 0 012 2v16l-7-3.5L5 21V5z"/>
         </svg>
         <p class="text-surface-600 dark:text-surface-400 text-lg">No saved items yet.</p>
-        <p class="text-surface-500 text-sm mt-2">Save articles from around the web using the bookmark button.</p>
+        <p class="text-surface-600 dark:text-surface-400 text-sm mt-2">Save articles from around the web using the bookmark button.</p>
       </div>
     </div>
 
@@ -148,11 +152,11 @@ permalink: /readlater/
         <div class="grid grid-cols-2 gap-3 text-center">
           <div class="p-3 bg-surface-50 dark:bg-surface-800 rounded-lg">
             <span class="text-2xl font-bold text-orange-600 dark:text-orange-400 block" x-text="items.length"></span>
-            <span class="text-xs text-surface-500 uppercase">Saved</span>
+            <span class="text-xs text-surface-600 dark:text-surface-400 uppercase">Saved</span>
           </div>
           <div class="p-3 bg-surface-50 dark:bg-surface-800 rounded-lg">
             <span class="text-2xl font-bold text-orange-600 dark:text-orange-400 block" x-text="sources.length"></span>
-            <span class="text-xs text-surface-500 uppercase">Sources</span>
+            <span class="text-xs text-surface-600 dark:text-surface-400 uppercase">Sources</span>
           </div>
         </div>
       </div>
diff --git a/replies.njk b/replies.njk
index e26a343..883378e 100644
--- a/replies.njk
+++ b/replies.njk
@@ -60,8 +60,8 @@ permalink: "replies/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNum
           {% set protocol = replyTo | protocolType %}
           {% unfurl replyTo %}
           <p class="mt-2 text-sm flex items-center gap-2 flex-wrap">
-            <span class="text-surface-500">In reply to:</span>
-            <a class="u-in-reply-to text-xs text-surface-400 dark:text-surface-500 hover:underline break-all" href="{{ replyTo }}">
+            <span class="text-surface-600">In reply to:</span>
+            <a class="u-in-reply-to text-xs text-surface-600 dark:text-surface-400 hover:underline break-all" href="{{ replyTo }}">
               {{ replyTo | replace("https://", "") | replace("http://", "") | truncate(60) }}
             </a>
             {% if protocol == "atmosphere" %}
@@ -111,7 +111,7 @@ permalink: "replies/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNum
         Previous
       </a>
       {% else %}
-      <span class="pagination-link disabled">
+      <span class="pagination-link disabled" aria-disabled="true">
         <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 19l-7-7 7-7"></path></svg>
         Previous
       </span>
@@ -123,7 +123,7 @@ permalink: "replies/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNum
         <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"></path></svg>
       </a>
       {% else %}
-      <span class="pagination-link disabled">
+      <span class="pagination-link disabled" aria-disabled="true">
         Next
         <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"></path></svg>
       </span>
diff --git a/reposts.njk b/reposts.njk
index 88a0eba..1018980 100644
--- a/reposts.njk
+++ b/reposts.njk
@@ -58,7 +58,7 @@ permalink: "reposts/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNum
           {% set repostedUrl = post.data.repostOf or post.data.repost_of %}
           {% if repostedUrl %}
           {% unfurl repostedUrl %}
-          <a class="u-repost-of text-xs text-surface-400 dark:text-surface-500 hover:underline break-all mt-1 inline-block" href="{{ repostedUrl }}">
+          <a class="u-repost-of text-xs text-surface-600 dark:text-surface-400 hover:underline break-all mt-1 inline-block" href="{{ repostedUrl }}">
             {{ repostedUrl }}
           </a>
           {% endif %}
@@ -87,7 +87,7 @@ permalink: "reposts/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNum
         Previous
       </a>
       {% else %}
-      <span class="pagination-link disabled">
+      <span class="pagination-link disabled" aria-disabled="true">
         <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 19l-7-7 7-7"></path></svg>
         Previous
       </span>
@@ -99,7 +99,7 @@ permalink: "reposts/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNum
         <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"></path></svg>
       </a>
       {% else %}
-      <span class="pagination-link disabled">
+      <span class="pagination-link disabled" aria-disabled="true">
         Next
         <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"></path></svg>
       </span>
diff --git a/search.njk b/search.njk
index d57b529..b813895 100644
--- a/search.njk
+++ b/search.njk
@@ -14,7 +14,7 @@ pagefindIgnore: true
 <noscript>
   <div class="p-6 bg-surface-100 dark:bg-surface-800 rounded-lg mt-4">
     <p class="text-surface-700 dark:text-surface-300">Search requires JavaScript to be enabled. Please enable JavaScript in your browser settings to use the search feature.</p>
-    <p class="text-surface-500 text-sm mt-2">Alternatively, you can browse content via the <a href="/blog/" class="text-accent-600 dark:text-accent-400 hover:underline">blog archive</a> or <a href="/categories/" class="text-accent-600 dark:text-accent-400 hover:underline">categories</a>.</p>
+    <p class="text-surface-600 dark:text-surface-400 text-sm mt-2">Alternatively, you can browse content via the <a href="/blog/" class="text-accent-600 dark:text-accent-400 hover:underline">blog archive</a> or <a href="/categories/" class="text-accent-600 dark:text-accent-400 hover:underline">categories</a>.</p>
   </div>
 </noscript>
 
@@ -23,16 +23,19 @@ pagefindIgnore: true
 
   // Support ?q= query parameter and auto-focus
   window.addEventListener("DOMContentLoaded", () => {
+    const input = document.querySelector("#search input[type='text']");
+    if (input) {
+      // Pagefind generates the input without a label — add one
+      input.setAttribute("aria-label", "Search all content");
+    }
     const params = new URLSearchParams(window.location.search);
     const query = params.get("q");
     if (query) {
-      const input = document.querySelector("#search input[type='text']");
       if (input) {
         input.value = query;
         input.dispatchEvent(new Event("input", { bubbles: true }));
       }
     } else {
-      const input = document.querySelector("#search input[type='text']");
       if (input) input.focus();
     }
   });
diff --git a/slashes.njk b/slashes.njk
index 720b7f6..ff0d74e 100644
--- a/slashes.njk
+++ b/slashes.njk
@@ -33,7 +33,7 @@ eleventyImport:
         <p class="text-surface-600 dark:text-surface-400 mt-2">{{ page.data.title }}</p>
         {% endif %}
         {% if page.data.updated %}
-        <p class="text-sm text-surface-500 mt-2">
+        <p class="text-sm text-surface-600 dark:text-surface-400 mt-2">
           Updated: <time class="font-mono text-sm" datetime="{{ page.data.updated | isoDate }}">{{ page.data.updated | dateDisplay }}</time>
         </p>
         {% endif %}
@@ -49,7 +49,7 @@ eleventyImport:
         <li><code>@rmdes/indiekit-post-type-page</code> — registers the "page" post type with Indiekit, using root-level URL paths (<code>/slug</code> instead of <code>/type/YYYY/MM/DD/slug</code>)</li>
         <li><code>@rmdes/indiekit-endpoint-posts</code> — publishing UI that sends the <code>h=page</code> Micropub type so pages are created at root level</li>
       </ul>
-      <p class="text-surface-500 dark:text-surface-500 text-xs mt-3">
+      <p class="text-surface-600 dark:text-surface-400 text-xs mt-3">
         Once both plugins are installed, "Page" appears as a post type in the Indiekit admin UI, and pages are published directly at <code>/slug</code>.
       </p>
     </div>
diff --git a/starred.njk b/starred.njk
index 9861dec..e7ce2cd 100644
--- a/starred.njk
+++ b/starred.njk
@@ -38,7 +38,7 @@ eleventyExcludeFromCollections: true
   <template x-if="loading">
     <div class="text-center py-12">
       <div class="inline-block w-8 h-8 border-4 border-emerald-200 border-t-emerald-600 rounded-full animate-spin"></div>
-      <p class="mt-4 text-surface-500">Loading starred repositories&hellip;</p>
+      <p class="mt-4 text-surface-600 dark:text-surface-400">Loading starred repositories&hellip;</p>
     </div>
   </template>
 
@@ -53,13 +53,15 @@ eleventyExcludeFromCollections: true
 
       {# ===== TAB BAR ===== #}
       <div class="mb-4 -mx-4 px-4 overflow-x-auto scrollbar-thin">
-        <div class="flex gap-1 min-w-max border-b border-surface-200 dark:border-surface-700">
+        <div class="flex gap-1 min-w-max border-b border-surface-200 dark:border-surface-700" role="tablist" aria-label="Starred repository lists">
           {# All tab #}
           <button
             @click="activeTab = 'all'; resetView()"
             :class="activeTab === 'all'
               ? 'border-emerald-600 text-emerald-700 dark:text-emerald-400'
-              : 'border-transparent text-surface-500 hover:text-surface-700 dark:hover:text-surface-300 hover:border-surface-300'"
+              : 'border-transparent text-surface-600 dark:text-surface-400 hover:text-surface-700 dark:hover:text-surface-300 hover:border-surface-300'"
+            :aria-selected="(activeTab === 'all').toString()"
+            role="tab"
             class="px-3 py-2 text-sm font-medium border-b-2 whitespace-nowrap transition-colors"
           >
             All
@@ -72,7 +74,9 @@ eleventyExcludeFromCollections: true
               @click="activeTab = list.slug; resetView()"
               :class="activeTab === list.slug
                 ? 'border-emerald-600 text-emerald-700 dark:text-emerald-400'
-                : 'border-transparent text-surface-500 hover:text-surface-700 dark:hover:text-surface-300 hover:border-surface-300'"
+                : 'border-transparent text-surface-600 dark:text-surface-400 hover:text-surface-700 dark:hover:text-surface-300 hover:border-surface-300'"
+              :aria-selected="(activeTab === list.slug).toString()"
+              role="tab"
               class="px-3 py-2 text-sm font-medium border-b-2 whitespace-nowrap transition-colors"
             >
               <span x-text="list.name"></span>
@@ -85,7 +89,9 @@ eleventyExcludeFromCollections: true
             @click="activeTab = 'uncategorized'; resetView()"
             :class="activeTab === 'uncategorized'
               ? 'border-emerald-600 text-emerald-700 dark:text-emerald-400'
-              : 'border-transparent text-surface-500 hover:text-surface-700 dark:hover:text-surface-300 hover:border-surface-300'"
+              : 'border-transparent text-surface-600 dark:text-surface-400 hover:text-surface-700 dark:hover:text-surface-300 hover:border-surface-300'"
+            :aria-selected="(activeTab === 'uncategorized').toString()"
+            role="tab"
             class="px-3 py-2 text-sm font-medium border-b-2 whitespace-nowrap transition-colors"
           >
             Uncategorized
@@ -177,7 +183,7 @@ eleventyExcludeFromCollections: true
       </div>
 
       {# ===== RESULTS SUMMARY ===== #}
-      <div class="mb-4 text-sm text-surface-500">
+      <div class="mb-4 text-sm text-surface-600 dark:text-surface-400">
         <span x-text="resultSummary"></span>
       </div>
 
@@ -207,12 +213,12 @@ eleventyExcludeFromCollections: true
                   <span class="text-xs px-2 py-0.5 bg-surface-100 dark:bg-surface-700 text-surface-700 dark:text-surface-300 rounded" x-text="topic"></span>
                 </template>
                 <template x-if="repo.topics.length > 5">
-                  <span class="text-xs px-2 py-0.5 bg-surface-100 dark:bg-surface-700 text-surface-500 rounded" x-text="'+' + (repo.topics.length - 5)"></span>
+                  <span class="text-xs px-2 py-0.5 bg-surface-100 dark:bg-surface-700 text-surface-600 dark:text-surface-400 rounded" x-text="'+' + (repo.topics.length - 5)"></span>
                 </template>
               </div>
             </template>
 
-            <div class="flex flex-wrap items-center gap-3 text-xs text-surface-500">
+            <div class="flex flex-wrap items-center gap-3 text-xs text-surface-600 dark:text-surface-400">
               <template x-if="repo.language">
                 <span class="flex items-center gap-1">
                   <span class="w-2.5 h-2.5 rounded-full" :style="'background:' + languageColor(repo.language)"></span>
@@ -243,7 +249,7 @@ eleventyExcludeFromCollections: true
       {# ===== EMPTY FILTERED STATE ===== #}
       <template x-if="sortedStars.length === 0">
         <div class="text-center py-12">
-          <p class="text-surface-500">No repos match your current filters.</p>
+          <p class="text-surface-600 dark:text-surface-400">No repos match your current filters.</p>
           <button @click="clearFilters()" class="mt-2 text-sm text-emerald-600 dark:text-emerald-400 hover:underline">Clear all filters</button>
         </div>
       </template>
diff --git a/webmention-debug.njk b/webmention-debug.njk
index 172a933..712888c 100644
--- a/webmention-debug.njk
+++ b/webmention-debug.njk
@@ -52,7 +52,7 @@ pagefindIgnore: true
                   {{ post.url }}
                 </a>
               </td>
-              <td class="p-2 text-xs text-surface-500 font-mono">
+              <td class="p-2 text-xs text-surface-600 dark:text-surface-400 font-mono">
                 {% if legacyUrls.length %}
                   {% for legacyUrl in legacyUrls %}
                     <div>{{ legacyUrl }}</div>
@@ -94,7 +94,7 @@ pagefindIgnore: true
           {% for newUrl, oldUrls in aliasEntries | head(20) %}
           <tr>
             <td class="p-2 text-xs break-all">{{ newUrl }}</td>
-            <td class="p-2 text-xs break-all text-surface-500">
+            <td class="p-2 text-xs break-all text-surface-600 dark:text-surface-400">
               {% for oldUrl in oldUrls %}
                 <div>{{ oldUrl }}</div>
               {% endfor %}
@@ -115,7 +115,7 @@ pagefindIgnore: true
     <ul class="space-y-1 font-mono text-xs">
       {% for wm in webmentions | head(30) %}
       <li class="p-2 bg-surface-50 dark:bg-surface-800/50 rounded">
-        <span class="text-surface-500">{{ wm["wm-property"] }}:</span>
+        <span class="text-surface-600 dark:text-surface-400">{{ wm["wm-property"] }}:</span>
         <span class="break-all">{{ wm["wm-target"] }}</span>
       </li>
       {% endfor %}
diff --git a/youtube.njk b/youtube.njk
index 828f334..d06be47 100644
--- a/youtube.njk
+++ b/youtube.njk
@@ -15,11 +15,13 @@ withSidebar: true
   {# Multi-channel tabs #}
   {% if youtubeChannel.isMultiChannel and youtubeChannel.channels.length > 1 %}
   <div class="mb-6">
-    <div class="flex flex-wrap gap-2 border-b border-surface-200 dark:border-surface-700">
+    <div class="flex flex-wrap gap-2 border-b border-surface-200 dark:border-surface-700" role="tablist" aria-label="YouTube channels">
       {% for channel in youtubeChannel.channels %}
       <button
         @click="activeChannel = {{ loop.index0 }}"
         :class="activeChannel === {{ loop.index0 }} ? 'border-red-500 text-red-600 dark:text-red-400' : 'border-transparent text-surface-600 dark:text-surface-400 hover:text-surface-900 dark:hover:text-surface-100'"
+        :aria-selected="(activeChannel === {{ loop.index0 }}).toString()"
+        role="tab" id="yt-tab-{{ loop.index0 }}" aria-controls="yt-panel-{{ loop.index0 }}"
         class="px-4 py-2 font-medium border-b-2 -mb-px transition-colors"
       >
         {{ channel.configName or channel.title }}
@@ -31,7 +33,7 @@ withSidebar: true
 
   {# Channel sections #}
   {% for channel in youtubeChannel.channels %}
-  <div x-show="activeChannel === {{ loop.index0 }}" {% if not loop.first %}x-cloak{% endif %}>
+  <div x-show="activeChannel === {{ loop.index0 }}" {% if not loop.first %}x-cloak{% endif %} role="tabpanel" id="yt-panel-{{ loop.index0 }}" aria-labelledby="yt-tab-{{ loop.index0 }}">
     {# Channel Header #}
     <section class="mb-8">
       <div class="flex flex-col sm:flex-row items-start sm:items-center gap-4 sm:gap-5 p-4 sm:p-6 bg-gradient-to-br from-red-500/10 to-red-600/5 dark:from-red-900/20 dark:to-red-800/10 rounded-xl sm:rounded-2xl border border-red-500/20">
@@ -57,7 +59,7 @@ withSidebar: true
             </a>
           </h2>
           {% if channel.customUrl %}
-          <p class="text-sm text-surface-500">{{ channel.customUrl }}</p>
+          <p class="text-sm text-surface-600 dark:text-surface-400">{{ channel.customUrl }}</p>
           {% endif %}
           <div class="flex flex-wrap items-center gap-4 mt-2 text-sm text-surface-600 dark:text-surface-400">
             <span class="flex items-center gap-1">
@@ -220,7 +222,7 @@ withSidebar: true
                 {{ video.title }}
               </a>
             </h3>
-            <div class="flex items-center gap-3 text-sm text-surface-500">
+            <div class="flex items-center gap-3 text-sm text-surface-600 dark:text-surface-400">
               <span class="flex items-center gap-1">
                 <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                   <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 12a3 3 0 11-6 0 3 3 0 016 0z"/>