/**
 * Saket ❤️ Deeksha Wedding Invitation
 * Animations & Motion Aesthetics
 * Respects: prefers-reduced-motion
 */

/* Scroll reveal initial states */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

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

/* Stagger delays */
.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }
.delay-400 { transition-delay: 400ms; }

/* Subtle floral petal drift */
@keyframes floralDrift {
  0% { transform: translate(0, 0) rotate(0deg); }
  50% { transform: translate(6px, -8px) rotate(4deg); }
  100% { transform: translate(0, 0) rotate(0deg); }
}

.animate-floral-subtle {
  animation: floralDrift 8s ease-in-out infinite;
}

/* Gentle gold shimmer */
@keyframes subtleGoldShimmer {
  0% { opacity: 0.8; }
  50% { opacity: 1; filter: drop-shadow(0 0 8px rgba(197, 160, 89, 0.45)); }
  100% { opacity: 0.8; }
}

.gold-shimmer {
  animation: subtleGoldShimmer 4s ease-in-out infinite;
}

/* Equalizer sound bar wave */
@keyframes soundBarWave {
  0%, 100% { height: 4px; }
  50% { height: 16px; }
}

/* Subtle breathing pulsation for key highlights */
@keyframes gentlePulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.02); }
}

.animate-gentle-pulse {
  animation: gentlePulse 3.5s ease-in-out infinite;
}

/* Reduced motion support */
@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-on-scroll {
    opacity: 1 !important;
    transform: none !important;
  }
}