/* ============================================
   Ball Transfer Systems - 3D Product Cards
   ============================================
   Perspective-based 3D transforms with
   realistic lighting and depth effects
   ============================================ */

/* ----------------------------------------
   3D Products Grid Container
   ---------------------------------------- */
.products-grid-3d {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-8);
  perspective: 1500px;
  perspective-origin: center center;
}

/* ----------------------------------------
   3D Product Card Base
   ---------------------------------------- */
.product-card-3d {
  position: relative;
  display: block;
  text-decoration: none;
  color: inherit;
  transform-style: preserve-3d;
  transition: transform 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

.product-card-3d__inner {
  position: relative;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transform-style: preserve-3d;
  transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
  box-shadow:
    0 2px 4px rgba(0, 0, 0, 0.02),
    0 4px 8px rgba(0, 0, 0, 0.02),
    0 8px 16px rgba(0, 0, 0, 0.02),
    0 16px 32px rgba(0, 0, 0, 0.04);
}

/* ----------------------------------------
   3D Depth Shadow (moves with card)
   ---------------------------------------- */
.product-card-3d__shadow {
  position: absolute;
  inset: 10px;
  background: rgba(19, 58, 99, 0.15);
  border-radius: var(--radius-xl);
  filter: blur(20px);
  transform: translateZ(-50px) scale(0.9);
  transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
  z-index: -1;
}

/* ----------------------------------------
   Card Image with 3D depth
   ---------------------------------------- */
.product-card-3d__image-wrap {
  position: relative;
  height: 220px;
  overflow: hidden;
  background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
}

.product-card-3d__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

/* Image shine effect */
.product-card-3d__shine {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    transparent 40%,
    rgba(255, 255, 255, 0.5) 45%,
    rgba(255, 255, 255, 0.8) 50%,
    rgba(255, 255, 255, 0.5) 55%,
    transparent 60%
  );
  transform: translateX(-100%);
  transition: transform 0.6s ease;
  pointer-events: none;
}

/* ----------------------------------------
   Card Body with floating effect
   ---------------------------------------- */
.product-card-3d__body {
  padding: var(--space-6);
  background: white;
  position: relative;
  transform: translateZ(20px);
  transition: transform 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

.product-card-3d__title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 var(--space-2) 0;
  transition: color 0.3s ease;
}

.product-card-3d__subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin: 0;
}

/* ----------------------------------------
   Floating badge
   ---------------------------------------- */
.product-card-3d__badge {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: var(--color-accent);
  color: white;
  font-size: var(--font-size-xs);
  font-weight: 700;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transform: translateZ(40px);
  box-shadow: 0 4px 12px rgba(232, 106, 0, 0.4);
  transition: transform 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

/* ----------------------------------------
   Quick action button (appears on hover)
   ---------------------------------------- */
.product-card-3d__action {
  position: absolute;
  bottom: var(--space-4);
  left: 50%;
  transform: translateX(-50%) translateY(20px) translateZ(30px);
  opacity: 0;
  background: var(--color-primary);
  color: white;
  font-size: var(--font-size-sm);
  font-weight: 600;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  white-space: nowrap;
  transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
  box-shadow: 0 4px 12px rgba(19, 58, 99, 0.3);
}

/* ----------------------------------------
   Border glow effect
   ---------------------------------------- */
.product-card-3d__glow {
  position: absolute;
  inset: -2px;
  border-radius: calc(var(--radius-xl) + 2px);
  background: linear-gradient(
    135deg,
    rgba(232, 106, 0, 0.5),
    rgba(19, 58, 99, 0.5),
    rgba(232, 106, 0, 0.5)
  );
  background-size: 200% 200%;
  opacity: 0;
  z-index: -1;
  transition: opacity 0.4s ease;
  animation: glowRotate 3s linear infinite paused;
}

@keyframes glowRotate {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ----------------------------------------
   Hover Effects (disabled)
   ---------------------------------------- */

/* ----------------------------------------
   Card variants
   ---------------------------------------- */
/* Featured card - larger and more prominent */
.product-card-3d--featured {
  grid-column: span 2;
}

.product-card-3d--featured .product-card-3d__image-wrap {
  height: 300px;
}

/* Compact card for sidebars */
.product-card-3d--compact .product-card-3d__image-wrap {
  height: 150px;
}

.product-card-3d--compact .product-card-3d__body {
  padding: var(--space-4);
}

/* ----------------------------------------
   Loading state with shimmer
   ---------------------------------------- */
.product-card-3d--loading .product-card-3d__image-wrap,
.product-card-3d--loading .product-card-3d__body {
  background: linear-gradient(
    90deg,
    #f1f5f9 0%,
    #e2e8f0 50%,
    #f1f5f9 100%
  );
  background-size: 200% 100%;
  animation: shimmerLoad 1.5s ease-in-out infinite;
}

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

/* ----------------------------------------
   Responsive adjustments
   ---------------------------------------- */
@media (max-width: 768px) {
  .products-grid-3d {
    perspective: 800px;
    gap: var(--space-6);
  }

  .product-card-3d__image-wrap {
    height: 180px;
  }

  .product-card-3d--featured {
    grid-column: span 1;
  }

  .product-card-3d--featured .product-card-3d__image-wrap {
    height: 200px;
  }

}

/* ----------------------------------------
   Reduced motion support
   ---------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  .product-card-3d,
  .product-card-3d__inner,
  .product-card-3d__shadow,
  .product-card-3d__image,
  .product-card-3d__body,
  .product-card-3d__shine,
  .product-card-3d__action,
  .product-card-3d__glow {
    transition: none;
    animation: none;
  }

}

/* ----------------------------------------
   Flip Card Variant (shows specs on back)
   ---------------------------------------- */
.product-card-flip {
  perspective: 1000px;
  height: 320px;
}

.product-card-flip__inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.8s cubic-bezier(0.23, 1, 0.32, 1);
}

.product-card-flip:hover .product-card-flip__inner {
  transform: rotateY(180deg);
}

.product-card-flip__front,
.product-card-flip__back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-premium-md);
}

.product-card-flip__front {
  background: white;
}

.product-card-flip__back {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
  transform: rotateY(180deg);
  display: flex;
  flex-direction: column;
  padding: var(--space-6);
}

.product-card-flip__back h4 {
  color: white;
  margin-bottom: var(--space-4);
}

.product-card-flip__specs {
  flex: 1;
  font-size: var(--font-size-sm);
}

.product-card-flip__specs dt {
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--space-1);
}

.product-card-flip__specs dd {
  margin: 0 0 var(--space-3) 0;
  opacity: 0.9;
}

.product-card-flip__back .btn {
  margin-top: auto;
}