/* ==========================================================================
   VITAL ACTIVE — Animation Utilities
   Scroll-reveal system driven by IntersectionObserver in js/animations.js
   ========================================================================== */

/* Base state: hidden before reveal */
[data-reveal] {
  opacity: 0;
  will-change: transform, opacity;
  transition: opacity 900ms var(--ease-out), transform 900ms var(--ease-out);
}

[data-reveal="fade-up"] { transform: translateY(36px); }
[data-reveal="fade-left"] { transform: translateX(-40px); }
[data-reveal="fade-right"] { transform: translateX(40px); }
[data-reveal="zoom"] { transform: scale(0.92); }
[data-reveal="fade"] { transform: none; }

[data-reveal].is-revealed {
  opacity: 1;
  transform: translate(0, 0) scale(1);
}

/* Stagger children within a revealed group */
[data-reveal-group] [data-reveal-child] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out);
}
[data-reveal-group].is-revealed [data-reveal-child] {
  opacity: 1;
  transform: translateY(0);
}
[data-reveal-group].is-revealed [data-reveal-child]:nth-child(1) { transition-delay: 0ms; }
[data-reveal-group].is-revealed [data-reveal-child]:nth-child(2) { transition-delay: 90ms; }
[data-reveal-group].is-revealed [data-reveal-child]:nth-child(3) { transition-delay: 180ms; }
[data-reveal-group].is-revealed [data-reveal-child]:nth-child(4) { transition-delay: 270ms; }
[data-reveal-group].is-revealed [data-reveal-child]:nth-child(5) { transition-delay: 360ms; }
[data-reveal-group].is-revealed [data-reveal-child]:nth-child(6) { transition-delay: 450ms; }

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

/* -------------------- Counter animation target -------------------- */
.stat-num[data-count] { font-variant-numeric: tabular-nums; }

/* -------------------- Image hover zoom utility -------------------- */
.img-zoom { overflow: hidden; }
.img-zoom img { transition: transform var(--dur-slow) var(--ease-out); }
.img-zoom:hover img { transform: scale(1.05); }

/* -------------------- Gallery slider (product page) -------------------- */
.gallery {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: var(--space-md);
}
.gallery-thumbs {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.gallery-thumbs button {
  border: 1px solid var(--color-stone-200);
  overflow: hidden;
  aspect-ratio: 1/1;
  opacity: 0.6;
  transition: opacity var(--dur-fast), border-color var(--dur-fast);
}
.gallery-thumbs button.is-active { opacity: 1; border-color: var(--color-gold); }
.gallery-thumbs button:hover { opacity: 1; }
.gallery-main {
  position: relative;
  aspect-ratio: 1/1;
  overflow: hidden;
  background: var(--color-stone-100);
  border: 1px solid var(--color-stone-200);
}
.gallery-main .slide {
  position: absolute; inset: 0;
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease-standard);
}
.gallery-main .slide.is-active { opacity: 1; }
.gallery-main .slide img { width: 100%; height: 100%; object-fit: cover; }
.gallery-nav {
  position: absolute;
  top: 50%; transform: translateY(-50%);
  width: 38px; height: 38px;
  background: rgba(255,255,255,0.9);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--color-navy-deep);
  z-index: 2;
  transition: background var(--dur-fast);
}
.gallery-nav:hover { background: var(--color-white); }
.gallery-nav.prev { left: 14px; }
.gallery-nav.next { right: 14px; }
.gallery-nav svg { width: 16px; height: 16px; }

/* -------------------- Nav underline active-scroll indicator (used via JS) -------------------- */
.nav-list a.is-active { color: var(--color-gold-dim); }

/* -------------------- Card lift on hover -------------------- */
.lift-hover { transition: transform var(--dur-base) var(--ease-standard), box-shadow var(--dur-base) var(--ease-standard); }
.lift-hover:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }

/* -------------------- Marquee (trust strip, optional use) -------------------- */
.marquee-track {
  display: flex;
  gap: var(--space-2xl);
  animation: marquee 28s linear infinite;
  width: max-content;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; }
}