/* ==========================================================================
   LIBIN CATERING SERVICE & EVENT MANAGEMENT
   Animations & Motion Design
   ========================================================================== */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes pulseGold {
  0% {
    box-shadow: 0 0 0 0 rgba(197, 155, 39, 0.4);
  }
  70% {
    box-shadow: 0 0 0 14px rgba(197, 155, 39, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(197, 155, 39, 0);
  }
}

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

@keyframes floatSlow {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

/* Helper Animation Classes */
.animate-fade-in-up {
  animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.pulse-gold {
  animation: pulseGold 2.5s infinite;
}

.float-slow {
  animation: floatSlow 5s ease-in-out infinite;
}

/* Skeleton Loading State */
.skeleton-loader {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

/* Toast Notifications Animation */
.custom-toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 9999;
  background: var(--color-noir);
  color: #ffffff;
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-gold-500);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-smooth);
}

.custom-toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* ==========================================================================
   Hero Fog & Fire Flame Atmosphere
   ========================================================================== */
.hero-fx-container {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 1;
}

.hero-atmosphere-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 2;
  mix-blend-mode: screen;
  will-change: transform;
}

.hero-fx-fallback {
  position: absolute;
  inset: 0;
  display: none;
  pointer-events: none;
  z-index: 1;
}

/* Fallback Multi-Layer Smoke & Flame */
.hero-fog-layer {
  position: absolute;
  inset: 0;
  width: 200%;
  height: 100%;
  pointer-events: none;
  will-change: transform, opacity;
}

.fog-back {
  background: radial-gradient(ellipse 75% 55% at 50% 100%, rgba(255, 120, 20, 0.10), transparent 75%),
              radial-gradient(circle at 25% 75%, rgba(255, 200, 100, 0.07) 0%, transparent 45%),
              radial-gradient(circle at 70% 80%, rgba(255, 160, 40, 0.08) 0%, transparent 55%),
              radial-gradient(circle at 85% 65%, rgba(240, 230, 220, 0.05) 0%, transparent 50%);
  filter: blur(32px);
  animation: fireSmokeDriftSlow 28s cubic-bezier(0.4, 0, 0.2, 1) infinite alternate;
  opacity: 0.75;
}

.fog-mid {
  background: radial-gradient(circle at 45% 92%, rgba(255, 175, 45, 0.09) 0%, transparent 45%),
              radial-gradient(circle at 75% 82%, rgba(255, 110, 20, 0.07) 0%, transparent 50%),
              radial-gradient(circle at 30% 85%, rgba(220, 210, 200, 0.05) 0%, transparent 45%);
  filter: blur(22px);
  animation: fireSmokeDriftMedium 18s ease-in-out infinite alternate;
  opacity: 0.7;
}

.fog-front {
  background: linear-gradient(to top, rgba(16, 17, 20, 0.85) 0%, rgba(255, 140, 30, 0.04) 25%, transparent 60%),
              radial-gradient(circle at 50% 96%, rgba(255, 225, 130, 0.12) 0%, transparent 35%);
  filter: blur(14px);
  animation: fireSmokeDriftFast 12s ease-in-out infinite alternate;
  opacity: 0.75;
}

.hero-fire-glow {
  position: absolute;
  bottom: -40px;
  left: 0;
  right: 0;
  height: 260px;
  background: radial-gradient(ellipse 65% 55% at 50% 100%, 
                rgba(255, 90, 15, 0.20) 0%, 
                rgba(255, 175, 35, 0.12) 35%, 
                rgba(220, 140, 20, 0.04) 60%, 
                transparent 85%);
  mix-blend-mode: screen;
  filter: blur(24px);
  animation: fireGlowPulse 3.2s ease-in-out infinite alternate;
  pointer-events: none;
}

/* Culinary Flame Ember & Smoke Badges */
.flame-smoke-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-pill);
  background: rgba(255, 90, 10, 0.12);
  border: 1px solid rgba(255, 140, 30, 0.35);
  color: #ffaa33;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.flame-smoke-badge i {
  color: #ff5511;
  animation: flameFlicker 1.5s ease-in-out infinite alternate;
}

@keyframes fireSmokeDriftSlow {
  0% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(-12%, -3%, 0) scale(1.06); }
  100% { transform: translate3d(-24%, 2%, 0) scale(1.02); }
}

@keyframes fireSmokeDriftMedium {
  0% { transform: translate3d(-15%, 2%, 0) scale(1.02); }
  50% { transform: translate3d(0%, -2%, 0) scale(0.98); }
  100% { transform: translate3d(-8%, 1%, 0) scale(1.04); }
}

@keyframes fireSmokeDriftFast {
  0% { transform: translate3d(0, 1%, 0); }
  50% { transform: translate3d(-10%, -2%, 0); }
  100% { transform: translate3d(-18%, 1%, 0); }
}

@keyframes fireGlowPulse {
  0% { opacity: 0.65; transform: scaleY(0.92) translateY(6px); }
  50% { opacity: 1.0; transform: scaleY(1.12) translateY(-6px); }
  100% { opacity: 0.72; transform: scaleY(0.96) translateY(3px); }
}

@keyframes flameFlicker {
  0%, 100% { transform: scale(1) rotate(0deg); opacity: 0.9; }
  25% { transform: scale(1.12) rotate(-3deg); opacity: 1; }
  75% { transform: scale(0.92) rotate(3deg); opacity: 0.82; }
}

/* Accessibility: Respect Reduced Motion */
@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;
  }
  .hero-fog-layer,
  .hero-fire-glow,
  .flame-smoke-badge i {
    animation: none !important;
  }
}