:root {
  --ease-calm: cubic-bezier(.22, .61, .36, 1);
  --dur-fade: 900ms;
  --dur-settle: 400ms;
  --dur-breathe: 3400ms;
  --dur-hair: 2600ms;
}

@keyframes ds-breathe {
  0%, 100% { transform: scale(1); opacity: .55; }
  50% { transform: scale(1.55); opacity: .12; }
}

@keyframes ds-hair {
  0%, 100% { opacity: .18; }
  50% { opacity: .6; }
}

@keyframes ds-note-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition-duration: 1ms !important; }
}