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)

package.json

@@ -8,6 +8,7 @@
     "build": "astro build",
     "preview": "astro preview",
     "astro": "astro",
+    "test": "bun test",
     "lint": "eslint .",
     "format": "prettier --write \"**/*.{ts,tsx,astro}\"",
     "typecheck": "astro check"
@@ -32,7 +33,9 @@
     "tw-animate-css": "^1.4.0"
   },
   "devDependencies": {
+    "@astrojs/check": "^0.9.9",
     "@eslint/js": "^9.39.4",
+    "@types/bun": "^1.3.14",
     "eslint": "^9.39.4",
     "eslint-plugin-react-hooks": "^7.0.1",
     "eslint-plugin-react-refresh": "^0.5.2",