:root{
  --dur-fast:140ms; /* @kind other */
  --dur-base:240ms; /* @kind other */
  --dur-slow:420ms; /* @kind other */
  --dur-scene:900ms; /* @kind other */

  --ease-soft:cubic-bezier(.22,.61,.36,1); /* @kind other */
  --ease-in-out:cubic-bezier(.4,0,.2,1); /* @kind other */
  --ease-drift:cubic-bezier(.37,0,.63,1); /* @kind other */

  --transition-control:background var(--dur-base) var(--ease-soft),color var(--dur-base) var(--ease-soft),transform var(--dur-fast) var(--ease-soft),box-shadow var(--dur-base) var(--ease-soft); /* @kind other */
  --lift-hover:translateY(-2px); /* @kind other */
  --press-scale:.98; /* @kind other */
}