@keyframes float-y {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

@keyframes spin-slow {
  to { transform: rotate(360deg); }
}

@keyframes gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes ticker {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@keyframes fade-up {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

/* El estado inicial oculto solo aplica si hay JS (clase .js puesta en <head>);
   sin JS el contenido queda visible. */
.js .reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur-slower) var(--ease-out), transform var(--dur-slower) var(--ease-out);
}
.js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-stagger.is-visible > * {
  animation: fade-up var(--dur-slower) var(--ease-out) both;
}
.reveal-stagger.is-visible > *:nth-child(1) { animation-delay: 0ms; }
.reveal-stagger.is-visible > *:nth-child(2) { animation-delay: 80ms; }
.reveal-stagger.is-visible > *:nth-child(3) { animation-delay: 160ms; }
.reveal-stagger.is-visible > *:nth-child(4) { animation-delay: 240ms; }
.reveal-stagger.is-visible > *:nth-child(5) { animation-delay: 320ms; }
.reveal-stagger.is-visible > *:nth-child(6) { animation-delay: 400ms; }

/* Movimiento reducido: anula animaciones con duracion literal (las que usan tokens se anulan en tokens.css). */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  .js .reveal { opacity: 1; transform: none; }
}