/* Sección de productos */
.products-section {
  padding: 3rem 0;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  position: relative;
}

.products-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.3), transparent);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
  position: relative;
}

.section-title {
  font-size: 3rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.6;
  font-weight: 400;
}

/* Filtros */
.filters-container {
  background: var(--gradient-surface);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 2rem;
  margin-bottom: 3rem;
  border: 1px solid var(--border-color);
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  backdrop-filter: blur(20px);
}

.filters-container::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(16, 185, 129, 0.5), transparent);
}

.filters-row {
  display: flex;
  gap: 1.5rem;
  align-items: end;
  justify-content: center;
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 200px;
}

.filter-label {
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-color);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.filter-select {
  padding: 1rem 1.25rem;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  background: var(--background-color);
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--transition);
  cursor: pointer;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05);
}

.filter-select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1), inset 0 2px 4px rgba(0, 0, 0, 0.05);
  transform: translateY(-2px);
}

.filter-select:hover {
  border-color: var(--border-hover);
}

/* Grid de productos */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
}

/* Tarjeta de producto */
.product-card {
  background: var(--gradient-surface);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--border-color);
  position: relative;
  backdrop-filter: blur(20px);
  animation: fadeInUp 0.6s ease-out;
}

.product-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
  z-index: 1;
}

.product-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-color);
}

.product-card:hover .product-title {
  color: var(--primary-color);
}

.product-card:hover .product-category {
  transform: translateX(4px);
}

.product-image-container {
  height: 240px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--light-color) 0%, #e2e8f0 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.product-image-container::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, transparent 30%, rgba(59, 130, 246, 0.1) 50%, transparent 70%);
  opacity: 0;
  transition: var(--transition);
}

.product-card:hover .product-image-container::before {
  opacity: 1;
}

.product-image {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: var(--transition);
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

.product-card:hover .product-image {
  transform: scale(1.1);
}

.product-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  padding: 0.5rem 1rem;
  background: var(--gradient-primary);
  color: white;
  border-radius: var(--border-radius-xl);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  z-index: 2;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.product-info {
  padding: 2rem;
}

.product-category {
  font-size: 0.875rem;
  color: var(--primary-color);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.product-title {
  font-size: 1.375rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-color);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.product-description {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3; /* Propiedad estándar */
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.product-card img {
    max-width: 100%;
    height: auto;
    object-fit: cover;
}

.product-price {
  font-size: 1.75rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.product-stock {
  font-size: 0.875rem;
  color: var(--success-color);
  margin-bottom: 1.5rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.product-stock::before {
  content: "●";
  color: var(--success-color);
  animation: pulse 2s infinite;
}

.product-actions {
  display: flex;
  gap: 0.75rem;
}

.add-to-cart-btn {
  flex: 1;
  background: var(--gradient-primary);
  color: white;
  border: none;
  padding: 1.125rem 1.5rem;
  border-radius: var(--border-radius);
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.875rem;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.add-to-cart-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s;
}

.add-to-cart-btn:hover::before {
  left: 100%;
}

.add-to-cart-btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.add-to-cart-btn:disabled {
  background: var(--secondary-color);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.add-to-cart-btn:disabled:hover {
  transform: none;
  box-shadow: none;
}

.wishlist-btn {
  background: var(--background-color);
  border: 2px solid var(--border-color);
  padding: 1.125rem;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  box-shadow: var(--shadow-sm);
}

.wishlist-btn:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.wishlist-btn.favorited {
  color: var(--danger-color);
  border-color: var(--danger-color);
  background: var(--danger-light);
}

.wishlist-btn.favorited:hover {
  background: rgba(239, 68, 68, 0.2);
  color: var(--danger-color);
  border-color: var(--danger-color);
}

/* Estado vacío */
.empty-state {
  text-align: center;
  padding: 5rem 2rem;
  color: var(--text-muted);
  background: var(--gradient-surface);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
  margin: 2rem auto;
  max-width: 600px;
}

.empty-state-icon {
  font-size: 5rem;
  margin-bottom: 2rem;
  opacity: 0.5;
  color: var(--primary-color);
  animation: pulse 2s infinite;
}

.empty-state-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-color);
}

.empty-state-description {
  font-size: 1.125rem;
  margin-bottom: 2rem;
  line-height: 1.6;
}

/* Loading state */
.product-skeleton {
  background: var(--light-color);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  position: relative;
  height: 400px;
}

.product-skeleton::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
}

/* Responsive products */
@media (max-width: 768px) {
  .products-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
  }

  .filters-row {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
  }

  .filter-group {
    min-width: auto;
  }

  .product-info {
    padding: 1.5rem;
  }

  .section-title {
    font-size: 2.25rem;
  }

  .section-subtitle {
    font-size: 1rem;
  }

  .filters-container {
    padding: 1.5rem;
  }
}

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

  .section-title {
    font-size: 1.875rem;
  }
}