:root {
  /* Colores */
  --primary-color: #ff5722;
  --primary-hover: #e64a19;
  --secondary-color: #ffa726;
  --background-light: #f9f9f9;
  --background-hover: #fff3e0;
  --text-color: #333;
  --text-light: #555;
  --border-color: #ddd;
  --shadow: 0 2px 6px rgba(0, 0, 0, 0.05);

  /* Tamaños */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 1rem;
  --transition: all 0.3s ease;
}

/* ============ UTILITY CLASSES ============ */
.custom-grid {
  display: grid;
  gap: 1.5rem;
}

.flex-column,
.flex-center {
  display: flex;
  align-items: center;
}

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

.flex-center {
  justify-content: center;
}

.text-center {
  text-align: center;
}

.text-light {
  color: var(--text-light);
  font-size: 0.9em;
}

/* ============ COMPONENTES ============ */
/* Brand Grid */
.brand-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  padding: 2rem 0;
  justify-items: center;
}

.brand-container {
  width: 100px;
  margin: 0.5rem;
}

.brand-item {
  width: 100px;
  height: 100px;
  padding: 0.5rem;
  border-radius: var(--border-radius-lg);
  background-color: #fff;
  border: 2px solid var(--border-color);
  transition: var(--transition);
  box-shadow: var(--shadow);
}

.brand-item:hover {
  border-color: var(--primary-color);
  transform: scale(1.05);
}

.brand-item img {
  max-width: 80%;
  max-height: 60px;
  filter: grayscale(100%);
  transition: filter 0.3s ease;
}

.brand-item:hover img {
  filter: grayscale(0%);
}

.brand-name {
  font-size: 0.8rem;
  word-break: break-word;
  max-width: 100%;
}

/* Model & Category Grids */
.model-grid,
.category-grid {
  display: grid;
  gap: 20px;
}

.model-grid {
  grid-template-columns: repeat(4, 1fr);
}

.category-grid {
  grid-template-columns: repeat(3, 1fr);
}

.model-card {
  background-color: var(--background-light);
  border: 1px solid var(--border-color);
  padding: 20px;
  border-radius: var(--border-radius-md);
  transition: var(--transition);
  position: relative;
  font-weight: bold;
}

.model-card:hover {
  background-color: var(--background-hover);
  border-color: var(--secondary-color);
  transform: scale(1.02);
}

.model-card-img {
  display: flex;
  align-items: center;
  gap: 15px;
  text-align: left;
}

.model-thumbnail {
  width: auto;
  height: 120px;
  border-radius: var(--border-radius-sm);
}

/* Categorías */
.category-selector {
  margin-top: 50px;
}

.category-group {
  margin-bottom: 40px;
}

.category-group h3 {
  margin-bottom: 10px;
  border-bottom: 1px solid #ccc;
  padding-bottom: 5px;
}

/* Badges */
.badge,
.badge-top,
.badge-hot,
.badge-limited {
  display: inline-block;
  padding: 4px 8px;
  border-radius: var(--border-radius-sm);
  font-size: 12px;
  font-weight: bold;
  position: absolute;
  color: white;
}

.badge-top {
  top: 10px;
  right: 10px;
  z-index: 2;
  background-color: var(--primary-color);
}

.badge-hot {
  top: 10px;
  left: 10px;
  background-color: var(--primary-color);
}

.badge-limited {
  bottom: 10px;
  right: 10px;
  background-color: #fdd835;
  color: #000;
}

/* Detalles del producto */
.descripcion {
  font-weight: normal;
  min-height: 40px;
}

.price-cart {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.price {
  font-size: 1.1em;
  color: var(--text-color);
}

.cart-btn {
  background-color: var(--primary-color);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 6px 16px;
  cursor: pointer;
  transition: background-color 0.3s;
}

.cart-btn:hover {
  background-color: var(--primary-hover);
}

.cart-btn:focus {
  background-color: var(--secondary-color);
}

.img-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 140px;
  padding: 10px;
  border-radius: var(--border-radius-md);
  margin-bottom: 0.5rem;
}

/* Producto */
.category-title {
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--primary-color);
  color: var(--text-color);
}

.product-card {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.product-image {
  max-height: 120px;
  max-width: 100%;
  object-fit: contain;
  display: block;
}

.product-info {
  padding: 0 1rem 1rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.product-title {
  font-size: 1rem;
  margin: 0.5rem 0;
  line-height: 1.3;
}

.product-sku {
  font-size: 0.8rem;
  margin-bottom: 1rem;
  flex-grow: 1;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1200px) {
  .model-grid,
  .category-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .model-grid,
  .category-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .product-card {
    padding: 15px;
  }

  .product-image {
    max-height: 100px;
  }
}

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

  .brand-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
.product-title {
  font-size: 20px;
  font-weight: 600;
  color: #181818;
  line-height: 1.35;
}

.product-sku {
  font-size: 13px;
  font-weight: 500;
  color: #333;
  line-height: 1.35;
}

.price-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.old-price {
  color: #aaa;
  font-size: 14px;
  font-weight: 400;
  text-decoration: line-through;
}