/* ==========================================================================
   KAIRO DESIGN BUREAU — ANIMATIONS & KEYFRAMES
   ========================================================================== */

/* Fade In Up Reveal */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Gold Pulse */
@keyframes pulseGold {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 0 8px var(--gold-highlight);
  }
  50% {
    transform: scale(1.25);
    box-shadow: 0 0 16px var(--gold-highlight), 0 0 24px rgba(245, 185, 66, 0.4);
  }
}

/* Floating Animation */
@keyframes floatSlow {
  0% {
    transform: translateY(-50%) rotate(0deg);
  }
  50% {
    transform: translateY(calc(-50% - 15px)) rotate(2deg);
  }
  100% {
    transform: translateY(-50%) rotate(0deg);
  }
}

/* Feather Shimmer */
@keyframes featherGlow {
  0% {
    filter: drop-shadow(0 0 10px rgba(229, 169, 60, 0.2));
  }
  50% {
    filter: drop-shadow(0 0 25px rgba(245, 185, 66, 0.5));
  }
  100% {
    filter: drop-shadow(0 0 10px rgba(229, 169, 60, 0.2));
  }
}

/* Marquee Infinite Horizontal Scroll */
@keyframes marqueeScroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* Gold Shimmer Sweep on Text / Borders */
@keyframes shimmerSweep {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

/* Scroll Reveal Utility Classes */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease-editorial), transform 0.8s var(--ease-editorial);
  will-change: opacity, transform;
}

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

.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; }

/* Subtle Gold Glow on Element */
.glow-effect {
  animation: featherGlow 4s infinite ease-in-out;
}