/* ============================================
   ГРАНДШИНА — Popular Products Section
   Product cards grid + category cards
   ============================================ */

/* ============================================
   CSS Variables for Full Customization
   ============================================ */

.products-section {
  --section-bg: #ffffff;
  --section-text: #1a1a2e;
  --section-subtitle: #666666;
  --card-bg: #ffffff;
  --card-border: #e8e8e8;
  --card-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  --card-shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.15);
  --card-radius: 12px;
  --card-padding: 20px;
  --price-current: #1a1a2e;
  --price-old: #999999;
  --btn-cart-bg: #e94560;
  --btn-cart-hover: #d63a52;
  --btn-cart-text: #ffffff;
  --btn-cart-radius: 8px;
  --btn-cart-shadow: 0 4px 12px rgba(233, 69, 96, 0.3);
  --btn-view-bg: transparent;
  --btn-view-text: #e94560;
  --btn-view-border: #e94560;
  --cat-card-bg: #f8f9fa;
  --cat-card-hover-bg: #ffffff;
  --cat-card-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  --cat-card-radius: 12px;
  --cat-card-padding: 30px 20px;
  --cat-icon-color: #e94560;
  --transition-speed: 0.3s;
  --transition-ease: ease;

  background-color: var(--section-bg);
  padding: 60px 0;
}

.products-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--section-padding-x, 30px);
}

/* ============================================
   Section Header
   ============================================ */

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--section-title-margin-bottom, 40px);
  flex-wrap: wrap;
  gap: 15px;
}

.section-title {
  font-size: var(--section-title-size, 32px);
  font-weight: var(--section-title-weight, 700);
  color: var(--section-text);
  margin: 0;
  line-height: 1.2;
}

.btn-view-all {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
  font-family: var(--header-font, 'Roboto', sans-serif);
  color: var(--btn-view-text);
  background-color: var(--btn-view-bg);
  border: 2px solid var(--btn-view-border);
  border-radius: 8px;
  text-decoration: none;
  transition: all var(--transition-speed) var(--transition-ease);
  white-space: nowrap;
}

.btn-view-all:hover {
  background-color: var(--btn-view-text);
  color: var(--section-bg);
  transform: translateX(3px);
}

/* ============================================
   Product Grid
   ============================================ */

.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 25px;
  margin-bottom: 60px;
}

/* ============================================
   Product Card
   ============================================ */

.product-card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--card-radius);
  overflow: hidden;
  transition: all var(--transition-speed) var(--transition-ease);
  position: relative;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  box-shadow: var(--card-shadow-hover);
  transform: translateY(-5px);
  border-color: transparent;
}

/* Product Image */
.product-image {
  position: relative;
  width: 100%;
  padding-top: 100%;
  background-color: #f5f5f5;
  overflow: hidden;
}

.product-image img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 20px;
  transition: transform var(--transition-speed) var(--transition-ease);
}

.product-card:hover .product-image img {
  transform: scale(1.05);
}

.product-image-placeholder {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
  color: #999;
  font-size: 14px;
}

.product-image-placeholder svg {
  width: 48px;
  height: 48px;
  opacity: 0.4;
}

/* Compare Button */
.product-compare-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.95);
  border: 1px solid #ddd;
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--transition-speed) var(--transition-ease);
  z-index: 2;
}

.product-compare-btn:hover {
  background-color: var(--btn-cart-bg);
  border-color: var(--btn-cart-bg);
  color: #fff;
}

.product-compare-btn svg {
  width: 18px;
  height: 18px;
}

/* Product Info */
.product-info {
  padding: var(--card-padding);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--section-text);
  margin: 0 0 12px 0;
  line-height: 1.4;
  flex: 1;
}

.product-name a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-speed) var(--transition-ease);
}

.product-name a:hover {
  color: var(--btn-cart-bg);
}

/* Product Specs */
.product-specs {
  margin-bottom: 15px;
}

.product-spec {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
  font-size: 13px;
  color: var(--section-subtitle);
  border-bottom: 1px solid #f0f0f0;
}

.product-spec:last-child {
  border-bottom: none;
}

.product-spec-label {
  font-weight: 400;
}

.product-spec-value {
  font-weight: 500;
  color: var(--section-text);
}

/* Product Price */
.product-price {
  margin-bottom: 15px;
}

.price-current {
  font-size: 22px;
  font-weight: 700;
  color: var(--price-current);
  display: block;
}

.price-old {
  font-size: 14px;
  font-weight: 400;
  color: var(--price-old);
  text-decoration: line-through;
  margin-left: 8px;
}

/* Add to Cart Button */
.btn-cart {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 600;
  font-family: var(--header-font, 'Roboto', sans-serif);
  color: var(--btn-cart-text);
  background-color: var(--btn-cart-bg);
  border: none;
  border-radius: var(--btn-cart-radius);
  cursor: pointer;
  transition: all var(--transition-speed) var(--transition-ease);
  box-shadow: var(--btn-cart-shadow);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn-cart:hover {
  background-color: var(--btn-cart-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(233, 69, 96, 0.4);
}

.btn-cart:active {
  transform: translateY(0);
}

/* ============================================
   Category Cards
   ============================================ */

.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 25px;
  justify-content: center;
}

.category-card {
  background-color: var(--cat-card-bg);
  border-radius: var(--cat-card-radius);
  padding: var(--cat-card-padding);
  text-align: center;
  transition: all var(--transition-speed) var(--transition-ease);
  cursor: pointer;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
  border: 1px solid transparent;
}

.category-card:hover {
  background-color: var(--cat-card-hover-bg);
  box-shadow: var(--cat-card-shadow);
  transform: translateY(-5px);
  border-color: var(--card-border);
}

.category-icon {
  width: 120px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  background-color: #ffffff;
  border-radius: 12px;
  padding: 10px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.category-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.category-icon svg {
  width: 48px;
  height: 48px;
  color: var(--cat-icon-color);
}

.category-name {
  font-size: 18px;
  font-weight: 600;
  color: var(--section-text);
  margin: 0;
}

.category-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 500;
  color: var(--btn-cart-bg);
  text-decoration: none;
  transition: gap var(--transition-speed) var(--transition-ease);
}

.category-card:hover .category-link {
  gap: 8px;
}

/* ============================================
   Tablet Styles (768px – 1024px)
   ============================================ */

@media (max-width: 1024px) {
  .products-section {
    --section-padding-x: 20px;
    --card-padding: 16px;
  }

  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    justify-content: center;
  }

  .section-title {
    font-size: 28px;
  }

  .product-name {
    font-size: 14px;
  }

  .price-current {
    font-size: 20px;
  }
}

/* ============================================
   Mobile Styles (<768px)
   ============================================ */

@media (max-width: 768px) {
  .products-section {
    --section-padding-x: 15px;
    --card-padding: 15px;
    padding: 40px 0;
  }

  .products-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 25px;
  }

  .section-title {
    font-size: 24px;
  }

  .btn-view-all {
    padding: 10px 20px;
    font-size: 14px;
  }

  .product-name {
    font-size: 15px;
  }

  .price-current {
    font-size: 20px;
  }

  .product-spec {
    font-size: 12px;
  }

  .category-card {
    padding: 20px 15px;
  }

  .category-name {
    font-size: 16px;
  }
}

/* ============================================
   Small Mobile (<480px)
   ============================================ */

@media (max-width: 480px) {
  .categories-grid {
    grid-template-columns: 1fr;
  }

  .category-icon {
    width: 80px;
    height: 80px;
  }
}

/* ============================================
   Accessibility
   ============================================ */

@media (prefers-reduced-motion: reduce) {
  .product-card,
  .category-card,
  .btn-cart,
  .btn-view-all,
  .product-image img {
    transition: none;
  }

  .product-card:hover,
  .category-card:hover {
    transform: none;
  }
}