:root {
  --ease-standard: cubic-bezier(0.2, 0.6, 0.2, 1); 
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1); 
  --ease-in: cubic-bezier(0.4, 0, 1, 1); 
  --ease-spring: cubic-bezier(0.32, 0.72, 0, 1); 
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1); 
  --ease-linear: linear; 
  --duration-fast: 120ms; 
  --duration-base: 180ms; 
  --duration-slow: 280ms; 
  --dur-press: 90ms; 
  --dur-fast: 160ms; 
  --dur-base: 260ms; 
  --motion-press: var(--dur-press); 
  --motion-number: 900ms; 
  --motion-swap: 200ms; 
  --motion-layout: var(--dur-base); 
  --motion-panel: var(--duration-slow); 
  --motion-reveal: 220ms; 
  --motion-conceal: 140ms; 
  --motion-exit: 140ms; 
  --motion-spin: 800ms; 
  --motion-pulse: 1500ms; 
  --motion-instant: 1ms; 
}