feat: single-page redesign with text-only hero, team section, services grid, mobile nav

- Replace component-based index with unified inline page
- Add text-only hero with warm editorial typography
- Add team section with avatars and bios
- Convert services to responsive grid layout
- Add contact labels and editorial images
- Implement mobile hamburger navigation with slide-in panel
- Polish typography, spacing, and accessibility
- Remove design variant pages (1-6)

eslint.config.js

@@ -20,4 +20,10 @@ export default defineConfig([
       globals: globals.browser,
     },
   },
+  {
+    files: ["src/components/ui/**/*.{ts,tsx}"],
+    rules: {
+      "react-refresh/only-export-components": "off",
+    },
+  },
 ])