/* =========================================================
   VIJAY & RASHIMA WEDDING INVITATION - KEYFRAME ANIMATIONS
   ========================================================= */

@keyframes pulse-heart {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.35);
  }
}

@keyframes rotate-music {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes float-sticker {
  0% {
    transform: translateY(0) rotate(var(--rot, -8deg));
  }
  100% {
    transform: translateY(-10px) rotate(var(--rot, -8deg));
  }
}

@keyframes shimmer-sweep {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

@keyframes gentle-bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-8px);
  }
  60% {
    transform: translateY(-4px);
  }
}

@keyframes confetti-pop {
  0% {
    transform: scale(0.8) translateY(0);
    opacity: 1;
  }
  100% {
    transform: scale(1.4) translateY(-80px);
    opacity: 0;
  }
}

.shimmer-text {
  background: linear-gradient(90deg, #d4af37 0%, #fff7ed 50%, #d4af37 100%);
  background-size: 200% auto;
  color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
  animation: shimmer-sweep 4s linear infinite;
}

/* Reveal on scroll utility classes */
.reveal-fade {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

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

  .reveal-fade {
    opacity: 1;
    transform: none;
  }
}