- Relax `VideoCard` active state detection to a 30% viewport sweet spot (rootMargin -35%)
- Strict desktop detection using `window.matchMedia` to prevent active state conflicts
- Encapsulate mobile active CSS rules within media query to prevent desktop style leakage
- Fix mobile layout overflow issues by enforcing `min-width: 0`
- Ensure marquee scrolling effect is robustly toggled based on overflow detection