/* ══════════════════════════════════════════════════════════════
   ACCELERAID — GLOBAL SCROLL ANIMATION SYSTEM
   IntersectionObserver-based with staggered cubic-bezier transitions
   ══════════════════════════════════════════════════════════════ */

/* ── 1. Base hidden state ───────────────────────────────────── */
[data-anim] {
  opacity: 0;
}

/* ── 2. Variant transforms ──────────────────────────────────── */
[data-anim="fade-up"]    { transform: translateY(36px); }
[data-anim="fade-down"]  { transform: translateY(-20px); }
[data-anim="fade-left"]  { transform: translateX(-40px); }
[data-anim="fade-right"] { transform: translateX(40px); }
[data-anim="scale-in"]   { transform: scale(0.92); }
[data-anim="fade"]       { transform: none; }

/* ── 3. Visible state (added by JS) ────────────────────────── */
[data-anim].anim-in {
  opacity: 1 !important;
  transform: translate(0, 0) scale(1) !important;
  transition:
    opacity 0.72s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.72s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── 4. Stagger delays ──────────────────────────────────────── */
[data-anim].anim-in[data-delay="0"]  { transition-delay: 0s; }
[data-anim].anim-in[data-delay="1"]  { transition-delay: 0.08s; }
[data-anim].anim-in[data-delay="2"]  { transition-delay: 0.16s; }
[data-anim].anim-in[data-delay="3"]  { transition-delay: 0.24s; }
[data-anim].anim-in[data-delay="4"]  { transition-delay: 0.32s; }
[data-anim].anim-in[data-delay="5"]  { transition-delay: 0.40s; }
[data-anim].anim-in[data-delay="6"]  { transition-delay: 0.48s; }
[data-anim].anim-in[data-delay="7"]  { transition-delay: 0.56s; }
[data-anim].anim-in[data-delay="8"]  { transition-delay: 0.64s; }

/* ── 5. Children stagger (parent tagged data-anim-group) ──── */
[data-anim-group] > * {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}
[data-anim-group].anim-in > * { opacity: 1; transform: translate(0); }
[data-anim-group].anim-in > *:nth-child(1)  { transition-delay: 0s; }
[data-anim-group].anim-in > *:nth-child(2)  { transition-delay: 0.09s; }
[data-anim-group].anim-in > *:nth-child(3)  { transition-delay: 0.18s; }
[data-anim-group].anim-in > *:nth-child(4)  { transition-delay: 0.27s; }
[data-anim-group].anim-in > *:nth-child(5)  { transition-delay: 0.36s; }
[data-anim-group].anim-in > *:nth-child(6)  { transition-delay: 0.45s; }
[data-anim-group].anim-in > *:nth-child(7)  { transition-delay: 0.54s; }
[data-anim-group].anim-in > *:nth-child(8)  { transition-delay: 0.63s; }
[data-anim-group].anim-in > *:nth-child(9)  { transition-delay: 0.72s; }

/* ── 6. Number counter ──────────────────────────────────────── */
.count-up { display: inline-block; }

/* ── 7. Hero entrance (immediate, no IntersectionObserver) ─── */
.hero-anim { animation: heroIn 0.9s cubic-bezier(0.16, 1, 0.3, 1) both; }
.hero-anim-d1 { animation: heroIn 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.10s both; }
.hero-anim-d2 { animation: heroIn 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.20s both; }
.hero-anim-d3 { animation: heroIn 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.32s both; }
.hero-anim-d4 { animation: heroIn 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.44s both; }
.hero-anim-d5 { animation: heroIn 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.58s both; }
.hero-img-anim { animation: heroImgIn 1.1s cubic-bezier(0.16, 1, 0.3, 1) 0.28s both; }

@keyframes heroIn {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes heroImgIn {
  from { opacity: 0; transform: translateY(40px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ── 8. Respect prefers-reduced-motion ──────────────────────── */
@media (prefers-reduced-motion: reduce) {
  [data-anim], [data-anim-group] > *,
  .hero-anim, .hero-anim-d1, .hero-anim-d2,
  .hero-anim-d3, .hero-anim-d4, .hero-anim-d5, .hero-img-anim {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
    transition: none !important;
  }
  [data-anim-group] > * { opacity: 1; transform: none; }
}