/* ── CSS 3D Parallax depth layers ───────────────────────────── */
.parallax-scene {
  perspective: 1200px;
  perspective-origin: 50% 50%;
}
.depth-1 { transform: translateZ(0px); }
.depth-2 { transform: translateZ(20px); }
.depth-3 { transform: translateZ(40px); }
.depth-4 { transform: translateZ(60px); }

/* ── Reveal on scroll (Intersection Observer classes) ──────── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}
.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-left.in-view {
  opacity: 1;
  transform: translateX(0);
}
.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-right.in-view {
  opacity: 1;
  transform: translateX(0);
}
.reveal-scale {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-scale.in-view {
  opacity: 1;
  transform: scale(1);
}

/* Stagger delays for grid children */
.stagger > *:nth-child(1) { transition-delay: 0s; }
.stagger > *:nth-child(2) { transition-delay: 0.1s; }
.stagger > *:nth-child(3) { transition-delay: 0.2s; }
.stagger > *:nth-child(4) { transition-delay: 0.3s; }
.stagger > *:nth-child(5) { transition-delay: 0.4s; }
.stagger > *:nth-child(6) { transition-delay: 0.5s; }

/* ── Service card 3D hover ──────────────────────────────────── */
.card-3d {
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  transform-style: preserve-3d;
}
.card-3d:hover {
  box-shadow: 0 24px 64px rgba(245,201,47,0.18), 0 0 0 1px var(--gold);
}

/* ── Gold accent line (section dividers) ─────────────────────── */
.gold-line {
  width: 60px;
  height: 3px;
  background: var(--gold);
  margin-bottom: 24px;
  border-radius: 2px;
}
[dir="rtl"] .gold-line { margin-left: auto; margin-right: 0; }

/* ── Service hero compact parallax ──────────────────────────── */
@media (prefers-reduced-motion: no-preference) {
  .service-hero-bg {
    will-change: transform;
  }
}

/* ── Skeleton shimmer (loading fallback) ─────────────────────── */
@keyframes shimmer {
  0% { background-position: -400px 0; }
  100% { background-position: 400px 0; }
}
.skeleton {
  background: linear-gradient(90deg, var(--navy-mid) 25%, var(--navy-light) 50%, var(--navy-mid) 75%);
  background-size: 800px 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

/* ── Page transition fade ────────────────────────────────────── */
.page-fade-in {
  animation: fadeIn 0.5s ease forwards;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Floor-reveal performance hint ──────────────────────────── */
@media (min-width: 769px) {
  .stats-band,
  .why-section {
    will-change: clip-path;
  }
}

/* ── Reduce motion ───────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-left, .reveal-right, .reveal-scale {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .float-wa { animation: none; }
  .card-3d:hover { transform: none; }
  .stats-band, .why-section { will-change: auto; }
}