/* ============================================================
   Ovejas Negras Aventura — animations.css
   Skeletons, indicador de scroll, hamburguesa, reveal.
   ============================================================ */

/* ---------- Skeleton / shimmer (placeholders de eventos) ---------- */
.shimmer {
  background: linear-gradient(
    100deg,
    var(--surface) 30%,
    var(--surface-2) 50%,
    var(--surface) 70%
  );
  background-size: 200% 100%;
  animation: shimmer 1.4s ease-in-out infinite;
  border-color: var(--line) !important;
  pointer-events: none;
}
@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ---------- Indicador de scroll del hero ---------- */
.scroll-indicator::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 8px;
  width: 4px;
  height: 8px;
  border-radius: 2px;
  background: var(--accent);
  transform: translateX(-50%);
  animation: scrollDot 1.8s ease-in-out infinite;
}
@keyframes scrollDot {
  0%   { opacity: 0; transform: translate(-50%, 0); }
  35%  { opacity: 1; }
  75%  { opacity: 0; transform: translate(-50%, 15px); }
  100% { opacity: 0; }
}

/* ---------- Hamburguesa → X ---------- */
.hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ---------- Reveal al hacer scroll (progressive enhancement) ---------- */
.js .reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 0.61, 0.36, 1);
  will-change: opacity, transform;
}
.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- Accesibilidad: menos movimiento ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .js .reveal { opacity: 1; transform: none; }
}