:root{
  --ease-out:cubic-bezier(0.16,1,0.3,1); /* @kind other */    /* expo-out: reveals, entrances */
  --ease-snap:cubic-bezier(0.83,0,0.17,1); /* @kind other */  /* stripe wipes, fast transitions */
  --dur-fast:150ms; /* @kind other */   /* hover, focus, press */
  --dur-base:400ms; /* @kind other */   /* micro reveals, cards, state changes */
  --dur-slow:800ms; /* @kind other */   /* section reveals, hero sequences */
  --stagger:100ms; /* @kind other */    /* between siblings in a reveal group */
  --reveal-offset:28px;
  --lift-card:-4px;
  --lift-button:-2px;
}