Remove global smooth scroll (caused laggy feel), use solid header bg on
mobile instead of backdrop-blur, respect prefers-reduced-motion, and add
targeted smooth scroll only for anchor nav clicks.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- Shrink gauge arc (r 80→65) to clearly separate from color band
- Replace overflow-hidden with overflow-clip on report preview,
score spectrum, and marquee to prevent scroll trapping
- Remove overflow-x-clip from report fan so side pages aren't clipped
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
