- Add robots.txt for search engine crawling
- Enhance Layout.astro with complete SEO meta tags (OG, Twitter Card, canonical)
- Create custom 404 page with bilingual support
- Add skip link for accessibility
- Add main-content id to all major pages for keyboard navigation
- Add lazy loading to blog list and author card images
- Removed `/services` and `/zh/services` pages. Migrated content to updated pages: `/uses`, `/about#contact-card`, and `/hire`.
- Removed Framer Motion for better performance and simpler animations in `LanguageSwitcher`, `GlassHeader`, and other components.
- Updated font sources to WOFF2 for better compression and added preload links for critical fonts.
- Optimized Vite configuration with manual chunking for React libraries.
- Replaced `client:load` with `client:idle` for non-critical client-side components like `GlassHeader`, `Footer`, and `BackToTop`.
- Add modern-code-icon.svg and update favicon with gradient styling
- Implement glass effect, hover animations and gradient text in global.css
- Enhance GlassHeader with motion animations and new icon
- Update design variables for modern look including shadows and transitions
