/* Casa Elegante — premium furniture micro-interactions */
:root {
  --gold: #c9a962;
  --gold-soft: rgba(201, 169, 98, 0.22);
  --deep: #1a1512;
}

html {
  scroll-behavior: smooth;
}

.hero-parallax {
  background-attachment: fixed;
}

@media (max-width: 768px) {
  .hero-parallax {
    background-attachment: scroll;
  }
}

.card-3d {
  perspective: 1200px;
  transform-style: preserve-3d;
}

.card-3d-inner {
  transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.55s ease;
  transform-style: preserve-3d;
  will-change: transform;
}

.card-3d:hover .card-3d-inner {
  transform: rotateX(6deg) rotateY(-8deg) translateZ(0);
  box-shadow:
    0 24px 48px rgba(26, 21, 18, 0.18),
    0 0 0 1px rgba(201, 169, 98, 0.12);
}

.reveal-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.overlay-scrim {
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.35s ease;
}

.overlay-scrim.is-open {
  pointer-events: auto;
  opacity: 1;
}

.drawer-cart {
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.drawer-cart.is-open {
  transform: translateX(0);
}

.mobile-nav {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.mobile-nav.is-open {
  max-height: 640px;
}

.btn-glow:hover {
  box-shadow: 0 0 0 6px var(--gold-soft);
}