/* Animaciones de entrada controladas por JS (IntersectionObserver añade .visible) */

[data-revelar] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 600ms ease, transform 600ms ease;
}
[data-revelar].visible {
  opacity: 1;
  transform: translateY(0);
}
[data-revelar][data-retraso="1"] { transition-delay: 90ms; }
[data-revelar][data-retraso="2"] { transition-delay: 180ms; }
[data-revelar][data-retraso="3"] { transition-delay: 270ms; }
[data-revelar][data-retraso="4"] { transition-delay: 360ms; }

@media (prefers-reduced-motion: reduce) {
  [data-revelar] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

@keyframes girar {
  to { transform: rotate(360deg); }
}
.cargando {
  display: inline-block;
  width: 1.1em; height: 1.1em;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: girar 700ms linear infinite;
}