/* Katalog Page Additional Styles */
        .catalog-hero {
            background: linear-gradient(135deg, var(--secondary) 0%, #1e293b 100%);
            padding: 8rem 0 4rem;
            position: relative;
            overflow: hidden;
        }
        
        .catalog-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at 30% 50%, rgba(37, 99, 235, 0.15), transparent);
        }
        
        .catalog-hero .container {
            position: relative;
            z-index: 1;
        }
        
        .catalog-hero h1 {
            font-size: 3rem;
            margin-bottom: 1rem;
            color: white;
        }
        
        .catalog-hero p {
            font-size: 1.1rem;
            color: #cbd5e1;
            max-width: 600px;
        }
        
        /* Filter Section */
        .filter-section {
            padding: 2rem 0;
            background: var(--bg-gray);
            position: sticky;
            top: 70px;
            z-index: 99;
            border-bottom: 1px solid #e2e8f0;
        }
        
        .filter-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
        }
        
        .filter-tabs {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        
        .filter-chip {
            padding: 0.6rem 1.2rem;
            background: white;
            border: 1px solid #e2e8f0;
            border-radius: var(--radius-full);
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition-fast);
        }
        
        .filter-chip:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        
        .filter-chip.active {
            background: var(--gradient-primary);
            color: white;
            border-color: var(--primary);
        }
        
        .filter-search {
            display: flex;
            align-items: center;
            background: white;
            border-radius: var(--radius-full);
            padding: 0.3rem 0.3rem 0.3rem 1rem;
            border: 1px solid #e2e8f0;
        }
        
        .filter-search input {
            border: none;
            padding: 0.5rem;
            width: 200px;
            outline: none;
        }
        
        .filter-search button {
            background: var(--primary);
            border: none;
            padding: 0.5rem 1rem;
            border-radius: var(--radius-full);
            color: white;
            cursor: pointer;
        }
        
        /* Catalog Grid */
        .catalog-grid {
            padding: 3rem 0;
            background: var(--bg-light);
        }
        
        .products-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 2rem;
        }
        
        .product-item {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition-normal);
            border: 1px solid #e2e8f0;
            position: relative;
        }
        
        .product-item:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow-lg);
        }
        
        .product-badge {
            position: absolute;
            top: 1rem;
            right: 1rem;
            padding: 0.3rem 1rem;
            border-radius: var(--radius-full);
            font-size: 0.7rem;
            font-weight: 600;
            z-index: 1;
        }
        
        .product-badge.popular {
            background: linear-gradient(135deg, #f59e0b, #d97706);
            color: white;
        }
        
        .product-badge.hemat {
            background: linear-gradient(135deg, #10b981, #059669);
            color: white;
        }
        
        .product-badge.premium {
            background: linear-gradient(135deg, #8b5cf6, #7c3aed);
            color: white;
        }
        
        .product-image {
            background: linear-gradient(135deg, var(--secondary), #1e293b);
            padding: 2rem;
            text-align: center;
            position: relative;
        }
        
        .product-image i {
            font-size: 3.5rem;
            color: var(--primary);
        }
        
        .product-image .chip-icon {
            position: absolute;
            bottom: -20px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--primary);
            padding: 0.3rem 1rem;
            border-radius: var(--radius-full);
            font-size: 0.7rem;
            white-space: nowrap;
        }
        
        .product-info {
            padding: 1.5rem;
        }
        
        .product-title {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        
        .product-cpu {
            font-size: 0.8rem;
            color: var(--text-gray);
            margin-bottom: 1rem;
        }
        
        .product-specs {
            display: flex;
            justify-content: space-between;
            background: var(--bg-gray);
            padding: 1rem;
            border-radius: var(--radius-md);
            margin: 1rem 0;
        }
        
        .spec-item {
            text-align: center;
        }
        
        .spec-value {
            font-weight: 700;
            color: var(--primary);
            font-size: 1rem;
        }
        
        .spec-label {
            font-size: 0.7rem;
            color: var(--text-gray);
        }
        
        .product-price {
            text-align: center;
            margin: 1rem 0;
        }
        
        .price-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
        }
        
        .price-period {
            font-size: 0.8rem;
            color: var(--text-gray);
        }
        
        .price-per-gb {
            font-size: 0.7rem;
            color: var(--text-muted);
        }
        
        .product-actions {
            display: flex;
            gap: 1rem;
            margin-top: 1rem;
        }
        
        .btn-order-product {
            flex: 1;
            background: var(--gradient-primary);
            color: white;
            padding: 0.8rem;
            border-radius: var(--radius-full);
            text-align: center;
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition-fast);
            border: none;
            cursor: pointer;
        }
        
        .btn-order-product:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-primary);
        }
        
        .btn-detail {
            background: var(--bg-gray);
            color: var(--text-dark);
            padding: 0.8rem 1.2rem;
            border-radius: var(--radius-full);
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition-fast);
        }
        
        .btn-detail:hover {
            background: var(--primary);
            color: white;
        }
        
        /* RAM Options */
        .ram-options {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 0.5rem;
            margin: 1rem 0;
        }
        
        .ram-btn {
            background: var(--bg-gray);
            border: 1px solid #e2e8f0;
            padding: 0.5rem;
            border-radius: var(--radius-md);
            text-align: center;
            cursor: pointer;
            transition: var(--transition-fast);
        }
        
        .ram-btn:hover {
            border-color: var(--primary);
        }
        
        .ram-btn.selected {
            background: var(--primary);
            color: white;
            border-color: var(--primary);
        }
        
        .ram-size {
            font-weight: 600;
            font-size: 0.9rem;
        }
        
        .ram-price {
            font-size: 0.7rem;
            color: var(--text-gray);
        }
        
        .ram-btn.selected .ram-price {
            color: rgba(255,255,255,0.8);
        }
        
        /* CPU Badge */
        .cpu-badge {
            display: inline-block;
            background: #f1f5f9;
            padding: 0.2rem 0.6rem;
            border-radius: var(--radius-full);
            font-size: 0.7rem;
            font-weight: 600;
            margin-top: 0.5rem;
        }
        
        /* Empty State */
        .empty-state {
            text-align: center;
            padding: 4rem;
            background: var(--bg-gray);
            border-radius: var(--radius-lg);
        }
        
        .empty-state i {
            font-size: 4rem;
            color: var(--text-muted);
            margin-bottom: 1rem;
        }
        
        /* Modal Detail */
        .detail-modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.8);
            z-index: 2000;
            justify-content: center;
            align-items: center;
        }
        
        .detail-modal.active {
            display: flex;
        }
        
        .modal-container {
            background: white;
            border-radius: var(--radius-lg);
            width: 90%;
            max-width: 500px;
            max-height: 80vh;
            overflow-y: auto;
            animation: modalSlide 0.3s ease;
        }
        
        @keyframes modalSlide {
            from {
                opacity: 0;
                transform: translateY(-30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .modal-header {
            padding: 1.5rem;
            border-bottom: 1px solid #e2e8f0;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .modal-header h3 {
            font-size: 1.3rem;
        }
        
        .modal-close {
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--text-gray);
        }
        
        .modal-body {
            padding: 1.5rem;
        }
        
        .modal-footer {
            padding: 1rem 1.5rem;
            border-top: 1px solid #e2e8f0;
            display: flex;
            gap: 1rem;
        }
        
        /* Responsive */
        @media (max-width: 768px) {
            .catalog-hero {
                padding: 6rem 0 3rem;
            }
            
            .catalog-hero h1 {
                font-size: 2rem;
            }
            
            .filter-container {
                flex-direction: column;
                align-items: stretch;
            }
            
            .filter-tabs {
                justify-content: center;
            }
            
            .filter-search {
                width: 100%;
            }
            
            .filter-search input {
                flex: 1;
                width: auto;
            }
            
            .products-grid {
                grid-template-columns: 1fr;
            }
            
            .ram-options {
                grid-template-columns: repeat(2, 1fr);
            }
        }