- Create 800-star field using Three.js Points with randomized sizes
- Build constellation lines connecting stars within distance threshold
- Limit connections per star (max 3) to avoid visual clutter
- Animate star field and lines with slow rotation + mouse parallax
- Pulse constellation line opacity for a living, breathing effect
- Wire Three.js import map in index.html for zero-bundler setup
- Add base CSS design system (dark space theme, --color-* vars)
Fixes#114