/* ==========================================================================
   Qirato (قیراط) - Animations & Transitions
   Hardware Accelerated (GPU-Only: Transform & Opacity)
   Based on Emil Kowalski Design Engineering & Modern Web Standards
   ========================================================================== */

/* --------------------------------------------------------------------------
   Scroll Progress Indicator (Modern Scroll-Driven Animation)
   -------------------------------------------------------------------------- */
#scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gold-gradient);
  z-index: 9999;
  transform-origin: 100% 50%; /* RTL: starts from right to left */
  transform: scaleX(0);
}

@supports (animation-timeline: scroll()) {
  @media (prefers-reduced-motion: no-preference) {
    @keyframes grow-progress {
      from { transform: scaleX(0); }
      to { transform: scaleX(1); }
    }
    #scroll-progress {
      animation: grow-progress auto linear;
      animation-timeline: scroll();
    }
  }
}

/* --------------------------------------------------------------------------
   Interactive Buttons & Tactile Feedback
   -------------------------------------------------------------------------- */
.btn-gold {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.85rem 2rem;
  background: var(--gold-gradient);
  color: #0A0D14;
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius-md);
  box-shadow: var(--aurum-glow);
  position: relative;
  overflow: hidden;
  transition: transform 180ms cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 180ms ease-out;
  will-change: transform;
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: var(--aurum-glow-strong);
}

.btn-gold:active {
  transform: scale(0.98);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.85rem 1.75rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-gold);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-md);
  backdrop-filter: blur(12px);
  transition: transform 180ms cubic-bezier(0.16, 1, 0.3, 1),
              border-color 180ms ease-out,
              background-color 180ms ease-out;
  will-change: transform;
}

.btn-secondary:hover {
  transform: translateY(-2px);
  background: rgba(212, 175, 55, 0.1);
  border-color: var(--border-gold-strong);
  color: var(--primary-light);
}

.btn-secondary:active {
  transform: scale(0.98);
}

/* Gold light sweep on CTA buttons */
.btn-gold::after {
  content: '';
  position: absolute;
  top: 0;
  left: -120%;
  width: 80%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transform: skewX(-25deg);
  animation: shine-sweep 4.5s cubic-bezier(0.16, 1, 0.3, 1) infinite;
}

@keyframes shine-sweep {
  0%, 60% {
    left: -120%;
  }
  100% {
    left: 180%;
  }
}

/* --------------------------------------------------------------------------
   Float & Physics Animations
   -------------------------------------------------------------------------- */
@keyframes float-subtle {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

.animate-float {
  animation: float-subtle 4.5s ease-in-out infinite;
  will-change: transform;
}

@keyframes float-delayed {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

.animate-float-delayed {
  animation: float-delayed 5.5s ease-in-out infinite 1.2s;
  will-change: transform;
}

/* --------------------------------------------------------------------------
   Card 3D Hover & Lighting
   -------------------------------------------------------------------------- */
.luxury-card {
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  padding: 1.75rem;
  position: relative;
  transition: transform 240ms cubic-bezier(0.16, 1, 0.3, 1),
              border-color 240ms ease-out,
              box-shadow 240ms ease-out;
  will-change: transform;
}

.luxury-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-gold-strong);
  box-shadow: 0 16px 40px -10px rgba(0, 0, 0, 0.5), 0 0 25px rgba(212, 175, 55, 0.18);
}

/* Top hairline accent on cards */
.luxury-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 15%;
  left: 15%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary-light), transparent);
  opacity: 0.6;
  transition: opacity 240ms ease-out;
}

.luxury-card:hover::before {
  opacity: 1;
}

/* --------------------------------------------------------------------------
   Pulse and Live Indicators
   -------------------------------------------------------------------------- */
.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--bull-green);
  position: relative;
  display: inline-block;
}

.live-dot::after {
  content: '';
  position: absolute;
  top: -3px;
  left: -3px;
  right: -3px;
  bottom: -3px;
  border-radius: 50%;
  border: 1.5px solid var(--bull-green);
  animation: pulse-ring 2s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
}

@keyframes pulse-ring {
  0% {
    transform: scale(0.8);
    opacity: 0.9;
  }
  70% {
    transform: scale(2.2);
    opacity: 0;
  }
  100% {
    transform: scale(2.2);
    opacity: 0;
  }
}

/* --------------------------------------------------------------------------
   Ticker Flash Animations
   -------------------------------------------------------------------------- */
@keyframes flash-green {
  0% { background-color: rgba(16, 185, 129, 0.3); }
  100% { background-color: transparent; }
}

@keyframes flash-red {
  0% { background-color: rgba(239, 68, 68, 0.3); }
  100% { background-color: transparent; }
}

.price-flash-up {
  animation: flash-green 800ms ease-out;
}

.price-flash-down {
  animation: flash-red 800ms ease-out;
}

/* --------------------------------------------------------------------------
   Lightbox Modal Animations
   -------------------------------------------------------------------------- */
.lightbox-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(8, 11, 17, 0.88);
  backdrop-filter: blur(20px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease-out;
}

.lightbox-modal.active {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-content {
  max-width: 90vw;
  max-height: 88vh;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-gold);
  box-shadow: 0 25px 70px rgba(0, 0, 0, 0.8), 0 0 40px rgba(212, 175, 55, 0.25);
  transform: scale(0.95);
  transition: transform 220ms cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
  position: relative;
}

.lightbox-modal.active .lightbox-content {
  transform: scale(1);
}

/* --------------------------------------------------------------------------
   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;
  }
}