- Replace CDN-based Three.js with npm packages for reliable loading
- Add DRACO loader support for compressed GLB files
- Implement custom horizon gradient environment mapping
- Use exact material properties from reference logo.html (MeshPhysicalMaterial)
- Apply proper metallic sheen, clearcoat, and reflectivity settings
- Fix camera positioning and canvas sizing to prevent clipping
- Maintain square aspect ratio for consistent logo display
- Load user's mobius-ring.glb with fallback torus geometry
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Co-Authored-By: Claude <noreply@anthropic.com>