/* ========================================
   HERO SLIDER
   ======================================== */
.hero-slider {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  background-color: var(--color-primary);
}

.hero-slider__track {
  display: flex;
  height: 100vh;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}

.hero-slider__slide {
  position: relative;
  min-width: 100%;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-slider__slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.4;
  transition: transform 6s ease-out;
}

.hero-slider__slide.active .hero-slider__slide-bg {
  transform: scale(1.05);
}

.hero-slider__slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,22,40,0.3) 0%, rgba(10,22,40,0.7) 100%);
}

.hero-slider__slide-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  padding: 0 var(--space-8);
}

.hero-slider__slide-content h1 {
  font-size: clamp(2.5rem, 6vw, var(--text-7xl));
  font-weight: var(--font-bold);
  color: var(--color-white);
  line-height: var(--leading-tight);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-5);
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s 0.2s, transform 0.8s 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-slider__slide.active .hero-slider__slide-content h1 {
  opacity: 1;
  transform: translateY(0);
}

.hero-slider__slide-content p {
  font-size: clamp(var(--text-base), 2vw, var(--text-xl));
  color: rgba(255,255,255,0.75);
  font-weight: var(--font-light);
  margin-bottom: var(--space-8);
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s 0.4s, transform 0.8s 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-slider__slide.active .hero-slider__slide-content p {
  opacity: 1;
  transform: translateY(0);
}

.hero-slider__slide-content .hero-slider__cta {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s 0.6s, transform 0.8s 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-slider__slide.active .hero-slider__slide-content .hero-slider__cta {
  opacity: 1;
  transform: translateY(0);
}

/* Slider Controls */
.hero-slider__arrows {
  position: absolute;
  bottom: var(--space-10);
  right: var(--space-10);
  display: flex;
  gap: var(--space-3);
  z-index: 10;
}

.hero-slider__arrow {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  border: 1.5px solid rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(10px);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.hero-slider__arrow:hover {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.6);
}

.hero-slider__arrow svg {
  width: 20px;
  height: 20px;
}

/* Dots */
.hero-slider__dots {
  position: absolute;
  bottom: var(--space-10);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--space-3);
  z-index: 10;
}

.hero-slider__dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.3);
  cursor: pointer;
  transition: all var(--transition-base);
  border: none;
  padding: 0;
}

.hero-slider__dot.active {
  width: 32px;
  background: var(--color-white);
}

/* Progress bar */
.hero-slider__progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  background: var(--color-accent);
  z-index: 10;
  transition: width linear;
}

/* ========================================
   PRODUCT DETAIL PAGE
   ======================================== */
.product-hero {
  padding: calc(72px + var(--space-12)) 0 var(--space-12);
  background-color: var(--color-gray-50);
}

.product-hero__breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  margin-bottom: var(--space-8);
}

.product-hero__breadcrumb a {
  color: var(--color-gray-500);
  transition: color var(--transition-fast);
}

.product-hero__breadcrumb a:hover {
  color: var(--color-accent);
}

.product-hero__breadcrumb svg {
  width: 14px;
  height: 14px;
}

.product-detail-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

.product-gallery {
  border-radius: var(--radius-2xl);
  overflow: hidden;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
}

.product-gallery__main {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
}

.product-gallery__main-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--color-gray-100), var(--color-gray-200));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-300);
}

.product-gallery__thumbs {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-4);
}

.product-gallery__thumb {
  width: 72px;
  height: 54px;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color var(--transition-fast);
  background: var(--color-gray-100);
}

.product-gallery__thumb.active,
.product-gallery__thumb:hover {
  border-color: var(--color-accent);
}

.product-gallery__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-info__category {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.product-info__title {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-4xl));
  font-weight: var(--font-bold);
  margin-bottom: var(--space-6);
  line-height: var(--leading-snug);
}

.product-info__description {
  font-size: var(--text-base);
  color: var(--color-gray-600);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
}

.product-info__features {
  margin-bottom: var(--space-10);
}

.product-info__features-title {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-gray-400);
  margin-bottom: var(--space-4);
}

.product-info__feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.product-info__feature-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-gray-700);
}

.product-info__feature-item svg {
  width: 18px;
  height: 18px;
  color: var(--color-success);
  flex-shrink: 0;
}

/* CTA Buttons on product detail */
.product-cta {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-gray-200);
}

.product-cta .btn {
  flex: 1;
  min-width: 180px;
  justify-content: center;
}

/* Related products */
.related-products {
  padding: var(--space-20) 0;
}

.related-products__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

/* Product image slider (detail page) */
.product-img-slider {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-2xl);
}

.product-img-slider__track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.product-img-slider__track img {
  min-width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.product-img-slider__nav {
  position: absolute;
  bottom: var(--space-4);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--space-2);
}

.product-img-slider__nav button {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  padding: 0;
}

.product-img-slider__nav button.active {
  background: white;
  width: 24px;
  border-radius: 4px;
}

/* Responsive */
@media (max-width: 1024px) {
  .product-detail-layout {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .related-products__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-slider__arrows {
    bottom: var(--space-6);
    right: var(--space-6);
  }
}

@media (max-width: 640px) {
  .related-products__grid {
    grid-template-columns: 1fr;
  }

  .product-cta {
    flex-direction: column;
  }

  .product-cta .btn {
    min-width: unset;
  }

  .hero-slider__arrows {
    display: none;
  }
}