/* ============================================================================
   ANIMATIONS - keyframes + scroll reveal utilities
   ============================================================================ */

/* Reveal on scroll (driven by IntersectionObserver adding .is-visible) */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
  will-change: opacity, transform;
}
[data-reveal="left"]  { transform: translateX(-32px); }
[data-reveal="right"] { transform: translateX(32px); }
[data-reveal="scale"] { transform: scale(0.94); }
[data-reveal].is-visible { opacity: 1; transform: none; }

/* Stagger children */
[data-stagger] > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
}
[data-stagger].is-visible > * { opacity: 1; transform: none; }
[data-stagger].is-visible > *:nth-child(1) { transition-delay: 0.05s; }
[data-stagger].is-visible > *:nth-child(2) { transition-delay: 0.12s; }
[data-stagger].is-visible > *:nth-child(3) { transition-delay: 0.19s; }
[data-stagger].is-visible > *:nth-child(4) { transition-delay: 0.26s; }
[data-stagger].is-visible > *:nth-child(5) { transition-delay: 0.33s; }
[data-stagger].is-visible > *:nth-child(6) { transition-delay: 0.40s; }
[data-stagger].is-visible > *:nth-child(7) { transition-delay: 0.47s; }
[data-stagger].is-visible > *:nth-child(8) { transition-delay: 0.54s; }
[data-stagger].is-visible > *:nth-child(9) { transition-delay: 0.61s; }
[data-stagger].is-visible > *:nth-child(10) { transition-delay: 0.68s; }
[data-stagger].is-visible > *:nth-child(11) { transition-delay: 0.75s; }
[data-stagger].is-visible > *:nth-child(12) { transition-delay: 0.82s; }
[data-stagger].is-visible > *:nth-child(13) { transition-delay: 0.89s; }
[data-stagger].is-visible > *:nth-child(14) { transition-delay: 0.96s; }

/* Hero entrance (page load) */
.hero__copy > * { opacity: 0; transform: translateY(22px); animation: heroIn 0.9s var(--ease-out) forwards; }
.hero__copy > *:nth-child(1) { animation-delay: 0.15s; }
.hero__copy > *:nth-child(2) { animation-delay: 0.30s; }
.hero__copy > *:nth-child(3) { animation-delay: 0.45s; }
.hero__copy > *:nth-child(4) { animation-delay: 0.60s; }
.hero__copy > *:nth-child(5) { animation-delay: 0.72s; }
.hero__copy > *:nth-child(6) { animation-delay: 0.84s; }

@keyframes heroIn { to { opacity: 1; transform: none; } }

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

@keyframes drift {
  0%   { transform: translateY(0) translateX(0) rotate(0deg); }
  50%  { transform: translateY(-26px) translateX(14px) rotate(180deg); }
  100% { transform: translateY(0) translateX(0) rotate(360deg); }
}

@keyframes cue {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
  50%      { transform: translateX(-50%) translateY(12px); opacity: 0.3; }
}

/* Count-up numbers hold layout while animating */
.counting { font-variant-numeric: tabular-nums; }

/* Respect reduced motion: neutralize reveals and ambient loops */
@media (prefers-reduced-motion: reduce) {
  [data-reveal], [data-stagger] > * { opacity: 1 !important; transform: none !important; }
  .hero__copy > * { opacity: 1 !important; transform: none !important; animation: none !important; }
  .seed, .marquee__track, .hero__cue-dot { animation: none !important; }
  .marquee__track { transform: none; }
}