redesign: Hacker theme for security researcher portfolio

- Complete visual overhaul with cyberpunk/terminal aesthetic
- Dark theme with matrix green (#00ff41), cyan, magenta accents
- Terminal-styled sections with command prompts
- Sharp angular design (removed all rounded corners)
- Added glowing borders, scanline effects, animations
- New SVG favicon with terminal prompt icon
- Added framer-motion page transitions for smooth theme switching
- "Enter my zen world" section for calm pastel pages
- Updated metadata/SEO for security researcher branding
- Social links: GitHub, LinkedIn, X, Email

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

package.json

@@ -13,6 +13,7 @@
     "@mdx-js/react": "^3.1.1",
     "@next/mdx": "^16.1.1",
     "@types/mdx": "^2.0.13",
+    "framer-motion": "^12.26.2",
     "gray-matter": "^4.0.3",
     "next": "16.1.1",
     "react": "19.2.3",