/* ============================================================================
   animations.css — keyframes, scroll-reveal y motion científico
   ========================================================================== */

/* ---------- Scroll reveal (IntersectionObserver -> .in-view) ---------- */
[data-reveal] { opacity: 0; transform: translateY(26px); transition: opacity var(--t-slow) var(--ease-out), transform var(--t-slow) var(--ease-out); will-change: opacity, transform; }
[data-reveal].in-view { opacity: 1; transform: none; }
[data-reveal="left"] { transform: translateX(-30px); }
[data-reveal="right"] { transform: translateX(30px); }
[data-reveal="scale"] { transform: scale(0.94); }
[data-reveal].in-view { transform: none; }
[data-reveal-stagger] > * { opacity: 0; transform: translateY(22px); transition: opacity var(--t-slow) var(--ease-out), transform var(--t-slow) var(--ease-out); }
[data-reveal-stagger].in-view > * { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  [data-reveal], [data-reveal-stagger] > * { opacity: 1 !important; transform: none !important; }
}

/* ---------- Keyframes ---------- */
@keyframes pulse-dot { 0%,100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.5); opacity: 0.5; } }
@keyframes float-y { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
@keyframes drift { 0% { transform: translate3d(0,0,0); } 50% { transform: translate3d(0,-18px,0); } 100% { transform: translate3d(0,0,0); } }
@keyframes shimmer { 0% { background-position: -200% 0; } 100% { background-position: 200% 0; } }
@keyframes grid-pan { from { background-position: 0 0; } to { background-position: 64px 64px; } }
@keyframes spin-slow { to { transform: rotate(360deg); } }
@keyframes glow-breathe { 0%,100% { opacity: 0.5; } 50% { opacity: 1; } }

/* ---------- Fondo grid de laboratorio ---------- */
.lab-grid {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--su-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--su-border) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(120% 80% at 50% 0%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(120% 80% at 50% 0%, #000 30%, transparent 75%);
  opacity: 0.5;
  animation: grid-pan 28s linear infinite;
}

/* ---------- Orbe / glow flotante ---------- */
.orb { position: absolute; border-radius: 50%; filter: blur(60px); opacity: 0.5; pointer-events: none; z-index: 0; }
.orb.cyan { background: radial-gradient(circle, var(--su-cyan), transparent 70%); animation: drift 14s var(--ease) infinite; }
.orb.blue { background: radial-gradient(circle, var(--su-electric-blue), transparent 70%); animation: drift 18s var(--ease) infinite reverse; }

/* ---------- Línea de escaneo ---------- */
.scanline { position: relative; overflow: hidden; }
.scanline::after {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 35%;
  background: linear-gradient(180deg, rgba(0,217,255,0.12), transparent);
  animation: scan 5s var(--ease) infinite;
}
@keyframes scan { 0% { transform: translateY(-120%); } 100% { transform: translateY(330%); } }

/* ---------- Skeleton de carga ---------- */
.skeleton { background: linear-gradient(90deg, var(--su-surface) 25%, var(--su-surface-2) 37%, var(--su-surface) 63%); background-size: 400% 100%; animation: shimmer 1.4s infinite; border-radius: 12px; }