:root {
  /* fast = hover, cor, borda · base = entrada de card/painel · slow = modal, seção */
  --dur-instant: 90ms;
  --dur-fast: 140ms;
  --dur-base: 220ms;
  --dur-slow: 380ms;
  --dur-ambient: 8s;

  /* ease-standard é o easing padrão MWTECH; sem bounce/overshoot */
  --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-linear: linear;

  --lift-hover: translateY(-2px);
  --press-scale: 0.985;
}