/* ==========================================================================
   ÉLYSÉE & ATELIER — ARCHITECTURAL INTERIORS
   Keyframe Animations & Transition Choreography
   ========================================================================== */

/* Fade & Slide Reveal Utility Classes */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.9s var(--ease-editorial), transform 0.9s var(--ease-editorial);
  will-change: opacity, transform;
}

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

/* Stagger Delays */
.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }
.delay-400 { transition-delay: 0.4s; }
.delay-500 { transition-delay: 0.5s; }

/* Subtle Ambient Dark Shadow Pulsing */
@keyframes ambientGlow {
  0%, 100% {
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.3));
  }
  50% {
    filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.45));
  }
}

.ambient-glow {
  animation: ambientGlow 4s infinite ease-in-out;
}

/* Golden Shimmer on Text */
@keyframes goldShimmer {
  0% {
    background-position: -200% center;
  }
  100% {
    background-position: 200% center;
  }
}

.shimmer-text {
  background: linear-gradient(
    90deg,
    var(--accent-gold) 0%,
    var(--accent-gold-light) 25%,
    #ffffff 50%,
    var(--accent-gold-light) 75%,
    var(--accent-gold) 100%
  );
  background-size: 200% auto;
  color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
  animation: goldShimmer 8s linear infinite;
}

/* Gentle Floating for architectural badges */
@keyframes gentleFloat {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-8px);
  }
}

.floating-badge {
  animation: gentleFloat 5s ease-in-out infinite;
}

/* Modal scale-in */
@keyframes modalScaleIn {
  from {
    opacity: 0;
    transform: scale(0.94) translateY(20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* Cursor pulse ripple */
@keyframes cursorPulse {
  0% {
    transform: scale(1);
    opacity: 0.8;
  }
  100% {
    transform: scale(2.4);
    opacity: 0;
  }
}

/* Menu Ambient Lighting & Micro-Animations */
@keyframes menuAuraPulse {
  0%, 100% {
    opacity: 0.08;
    transform: scale(1);
  }
  50% {
    opacity: 0.16;
    transform: scale(1.08);
  }
}

@keyframes liveBeacon {
  0%, 100% {
    opacity: 0.45;
    transform: scale(0.9);
    box-shadow: 0 0 4px var(--accent-gold);
  }
  50% {
    opacity: 1;
    transform: scale(1.35);
    box-shadow: 0 0 12px var(--accent-gold-light);
  }
}

@keyframes sweepGleam {
  0% {
    transform: translateX(-150%) skewX(-25deg);
  }
  100% {
    transform: translateX(250%) skewX(-25deg);
  }
}

@keyframes dropdownSlide {
  from {
    opacity: 0;
    transform: translateY(14px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}