/* ==========================================================================
   ANIMATIONS — Scroll Reveal, Hover States, Transitions
   Hardware-accelerated (transform + opacity only)
   ========================================================================== */

/* --- Scroll Reveal Base States --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease-premium),
              transform 0.7s var(--ease-premium);
}

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

/* Stagger delays for children */
.reveal-stagger > .reveal:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger > .reveal:nth-child(2) { transition-delay: 80ms; }
.reveal-stagger > .reveal:nth-child(3) { transition-delay: 160ms; }
.reveal-stagger > .reveal:nth-child(4) { transition-delay: 240ms; }
.reveal-stagger > .reveal:nth-child(5) { transition-delay: 320ms; }
.reveal-stagger > .reveal:nth-child(6) { transition-delay: 400ms; }
.reveal-stagger > .reveal:nth-child(7) { transition-delay: 480ms; }
.reveal-stagger > .reveal:nth-child(8) { transition-delay: 560ms; }

/* Reveal from left */
.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s var(--ease-premium),
              transform 0.7s var(--ease-premium);
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Reveal from right */
.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s var(--ease-premium),
              transform 0.7s var(--ease-premium);
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Reveal scale */
.reveal-scale {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.7s var(--ease-premium),
              transform 0.7s var(--ease-premium);
}

.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* --- Hero Animations --- */
@keyframes hero-fade-up {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero__content > * {
  animation: hero-fade-up 0.8s var(--ease-premium) forwards;
  opacity: 0;
}

.hero__content > *:nth-child(1) { animation-delay: 0.1s; }
.hero__content > *:nth-child(2) { animation-delay: 0.25s; }
.hero__content > *:nth-child(3) { animation-delay: 0.4s; }
.hero__content > *:nth-child(4) { animation-delay: 0.55s; }
.hero__content > *:nth-child(5) { animation-delay: 0.7s; }

/* Hero background slow zoom — cinematic feel */
@keyframes hero-bg-zoom {
  from {
    transform: scale(1.08);
  }
  to {
    transform: scale(1);
  }
}

.hero__bg img {
  animation: hero-bg-zoom 8s var(--ease-premium) forwards;
}

/* --- Subtle Background Grain (fixed, pointer-events-none) --- */
.grain::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 200;
  pointer-events: none;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px;
}

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

.marquee {
  overflow: hidden;
  white-space: nowrap;
  position: relative;
}

.marquee__inner {
  display: inline-flex;
  animation: marquee 30s linear infinite;
}

.marquee__inner span {
  display: inline-block;
  padding: 0 2rem;
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.marquee__inner .dot {
  color: var(--color-accent);
}

/* --- Parallax subtle on hero image --- */
@media (prefers-reduced-motion: no-preference) {
  .parallax-subtle {
    will-change: transform;
  }
}

/* --- Hover lift effect for gallery items --- */
.hover-lift {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
}

/* --- Line draw animation for dividers --- */
@keyframes line-draw {
  from { width: 0; }
  to { width: 60px; }
}

.divider-animated {
  width: 0;
  height: 2px;
  background: var(--color-accent);
  border-radius: 1px;
}

.divider-animated.visible {
  animation: line-draw 0.6s var(--ease-premium) forwards;
}

/* --- Respect reduced motion --- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal,
  .reveal-left,
  .reveal-right,
  .reveal-scale {
    opacity: 1;
    transform: none;
  }
}