- Sticky navigation (appears after scroll past hero)
- Reading progress bar (green glow, top of page)
- Open Graph + Twitter Card meta tags
- All 18 chapters organized by Part I/II/III
- 8 character cards (added Daniel + The Builder)
- Scroll-triggered fade-in animations
- Ambient rain sound toggle with generated rain.mp3
- Back to top link in footer
- Hover effects on character cards and chapter items
- Responsive improvements for mobile