:root {
  --duration-instant: 90ms;
  --duration-fast: 140ms;
  --duration-base: 200ms;
  --duration-slow: 320ms;

  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-standard: var(--ease-out);

  --transition-color: color var(--duration-fast) var(--ease-out), background-color var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out);
  --transition-surface: opacity var(--duration-fast) var(--ease-out), filter var(--duration-fast) var(--ease-out), box-shadow var(--duration-base) var(--ease-out);

  --motion-travel: 3px;
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --duration-instant: 0ms;
    --duration-fast: 0ms;
    --duration-base: 0ms;
    --duration-slow: 0ms;
    --motion-travel: 0px;
  }
}