spring · 300ms
tab underline, toggles, label ↔ spinner (500ms)
3D press · 50ms down / 100ms up
button scale .97 · card scale .99
Bridge feed live · batch 2m ago
live ping · 1.5s loop
scale 0 → 3.75, opacity .6 → 0, ease-out
Default colour/hover 150ms ease-out · capsule weight swap 180ms · card hover cubic-bezier(.2,.75,.25,1) 400ms in / 160ms out · sheets 300ms expand · skeleton 150ms · photo 300ms. prefers-reduced-motion drops press scale and translate, the underline glide, sheet slide, loading swap scale, share-bar growth and the ping.