style: yellow prose text, blue links/interactive

- Set --tw-prose-body to Gruvbox yellow (#b57614 light, #ebdbb2 dark)
  so article text has warm yellow tone like brennan.day
- Revert accent palette back to Gruvbox blue (#076678 / #83a598)
  for links, focus rings, and interactive elements

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

tailwind.config.js

@@ -30,19 +30,19 @@ export default {
           900: "#282828",
           950: "#1d2021",
         },
-        // Gruvbox yellow — links, interactive, CTAs, focus rings
+        // Gruvbox blue — links, interactive, CTAs, focus rings
         accent: {
-          50: "#fdf8e1",
-          100: "#faefc0",
-          200: "#f5db7a",
-          300: "#efc843",
-          400: "#d79921",
-          500: "#b57614",
-          600: "#926208",
-          700: "#7a5207",
-          800: "#634306",
-          900: "#4d3505",
-          950: "#3a2804",
+          50: "#e8f4f6",
+          100: "#c8dfe4",
+          200: "#97c5cf",
+          300: "#6aabb9",
+          400: "#458588",
+          500: "#076678",
+          600: "#065a6b",
+          700: "#054d5c",
+          800: "#04404d",
+          900: "#03333e",
+          950: "#022730",
         },
       },
       fontFamily: {
@@ -78,6 +78,8 @@ export default {
       typography: (theme) => ({
         DEFAULT: {
           css: {
+            "--tw-prose-body": "#b57614",
+            "--tw-prose-headings": "#3c3836",
             "--tw-prose-links": theme("colors.accent.500"),
             maxWidth: "none",
           },
@@ -90,6 +92,8 @@ export default {
         },
         invert: {
           css: {
+            "--tw-prose-body": "#ebdbb2",
+            "--tw-prose-headings": "#fbf1c7",
             "--tw-prose-links": theme("colors.accent.400"),
           },
         },