/* ============================================
   VIBHUSHA ANIMATIONS
   ============================================ */

/* ─── REVEAL ANIMATIONS ─── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--duration-slow) var(--ease-default),
              transform var(--duration-slow) var(--ease-default);
}

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

/* Stagger delays */
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }

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

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

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

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

/* Fade only */
.reveal-fade {
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease-default);
}

.reveal-fade.revealed {
  opacity: 1;
}

/* Scale reveal */
.reveal-scale {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity var(--duration-slow) var(--ease-default),
              transform var(--duration-slow) var(--ease-default);
}

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

/* ─── HERO ANIMATIONS ─── */
@keyframes heroFadeUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heroFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.hero-label-animate {
  animation: heroFadeUp 0.8s var(--ease-default) 0.3s both;
}

.hero-title-animate {
  animation: heroFadeUp 0.9s var(--ease-default) 0.5s both;
}

.hero-subtitle-animate {
  animation: heroFadeUp 0.8s var(--ease-default) 0.7s both;
}

.hero-cta-animate {
  animation: heroFadeUp 0.8s var(--ease-default) 0.9s both;
}

/* ─── SCROLL INDICATOR ─── */
@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); opacity: 0.7; }
  50% { transform: translateY(8px); opacity: 1; }
}

.scroll-indicator {
  animation: scrollBounce 2s ease-in-out infinite;
}

/* ─── GOLD SHIMMER ─── */
@keyframes goldShimmer {
  from { background-position: -200% center; }
  to { background-position: 200% center; }
}

.gold-shimmer {
  background: linear-gradient(90deg,
    var(--gold-dark) 0%,
    var(--gold-light) 40%,
    var(--gold) 50%,
    var(--gold-light) 60%,
    var(--gold-dark) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: goldShimmer 4s linear infinite;
}

/* ─── CARD HOVER LIFT ─── */
.hover-lift {
  transition: transform var(--duration-normal) var(--ease-default),
              box-shadow var(--duration-normal) var(--ease-default);
}

.hover-lift:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

/* ─── IMAGE PARALLAX ─── */
.parallax-wrap {
  overflow: hidden;
  position: relative;
}

.parallax-img {
  transform-origin: center center;
  will-change: transform;
}

/* ─── UNDERLINE LINK ANIMATION ─── */
.underline-link {
  position: relative;
  display: inline-block;
}

.underline-link::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width var(--duration-normal) var(--ease-default);
}

.underline-link:hover::after { width: 100%; }

/* ─── ARROW ANIMATE ─── */
.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--navy);
  transition: gap var(--duration-fast), color var(--duration-fast);
}

.arrow-link:hover {
  color: var(--gold);
  gap: var(--space-3);
}

.arrow-link svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
  transition: transform var(--duration-fast);
}

.arrow-link:hover svg {
  transform: translateX(3px);
}

/* ─── STAGGER GRID ─── */
.stagger-grid > * {
  opacity: 0;
  transform: translateY(20px);
}

.stagger-grid.revealed > *:nth-child(1) { animation: heroFadeUp 0.6s var(--ease-default) 0s forwards; }
.stagger-grid.revealed > *:nth-child(2) { animation: heroFadeUp 0.6s var(--ease-default) 0.08s forwards; }
.stagger-grid.revealed > *:nth-child(3) { animation: heroFadeUp 0.6s var(--ease-default) 0.16s forwards; }
.stagger-grid.revealed > *:nth-child(4) { animation: heroFadeUp 0.6s var(--ease-default) 0.24s forwards; }
.stagger-grid.revealed > *:nth-child(5) { animation: heroFadeUp 0.6s var(--ease-default) 0.32s forwards; }
.stagger-grid.revealed > *:nth-child(6) { animation: heroFadeUp 0.6s var(--ease-default) 0.40s forwards; }
.stagger-grid.revealed > *:nth-child(7) { animation: heroFadeUp 0.6s var(--ease-default) 0.48s forwards; }
.stagger-grid.revealed > *:nth-child(8) { animation: heroFadeUp 0.6s var(--ease-default) 0.56s forwards; }

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

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