:root {
  --ease-slab: cubic-bezier(.2, .8, .2, 1); /* @kind other */
  --ease-out: cubic-bezier(.16, 1, .3, 1); /* @kind other */
  --dur-hover: 120ms; /* @kind other */
  --dur-expand: 260ms; /* @kind other */   /* dispatch and build rows opening in place */
  --dur-wipe: 420ms; /* @kind other */     /* slab wipe between routes */
  --dur-arc: 900ms; /* @kind other */      /* arc sweep on load */
}