.nav {
            display: flex;
            justify-content: center;
            gap: 2rem;
            align-items: center;
        }

        .nav a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s ease;
        }

        .nav a:hover {
            color: #f39c12;
        }

        .nav a.active {
            color: #f39c12;
            font-weight: 700;
        }

        /* Main Content Layout */
        .valve {
            display: flex;
            gap: 2rem;
            min-height: 600px;
            padding-left: 30px;
        }

        /* Sidebar Styles */
        .sidebar {
            background: #e9212e;
            border-radius: 15px;
            padding: 0;
            width: 280px;
            flex-shrink: 0;
            box-shadow: 0 8px 25px rgba(0,0,0,0.15);
            overflow: hidden;
            margin-top: 20px;
            height: 66vh;
        }

        .sidebar-header {
            background: rgba(0,0,0,0.1);
            padding: 1.5rem;
            text-align: center;
            color: white;
            font-size: 1.2rem;
            font-weight: 700;
            letter-spacing: 1px;
        }

        .tabs {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .tabs li {
            border-bottom: 1px solid rgba(255,255,255,0.1);
            transition: all 0.3s ease;
        }

        .tabs li:last-child {
            border-bottom: none;
        }

        .tabs li:hover {
            background: rgba(255,255,255,0.1);
            transform: translateX(5px);
        }

        .tabs li.active {
            background: rgba(255,255,255,0.2);
            border-left: 4px solid white;
        }

        .tabs li button {
            width: 100%;
            padding: 1rem 1.5rem;
            background: none;
            border: none;
            color: white;
            font-size: 0.9rem;
            font-weight: 500;
            text-align: left;
            cursor: pointer;
            transition: all 0.3s ease;
            letter-spacing: 0.5px;
        }

        .tabs li button:hover {
            font-weight: 600;
        }

        /* Content Area */
        .content-area {
            flex: 1;
            background: white;
            border-radius: 15px;
            padding: 2rem;
            box-shadow: 0 8px 25px rgba(0,0,0,0.1);
        }

        .tab-content {
            display: none;
        }

        .tab-content.active {
            display: block;
            animation: fadeIn 0.3s ease-in-out;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .accessories-title {
            color: #2c3e50;
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 2rem;
            text-align: center;
            position: relative;
        }

        .accessories-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: #e9212e;
            border-radius: 2px;
        }

        /* Products Grid */
        .products-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .product-card {
            background: white;
            border-radius: 15px;
            padding: 1.5rem;
            box-shadow: 0 8px 25px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
            border: 1px solid #e0e0e0;
            position: relative;
            overflow: hidden;
        }

        .product-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: #6f7eba;
        }

        .product-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.2);
        }

        .product-image {
            width: 100%;
            height: 200px;
            object-fit: contain;
            border-radius: 10px;
            margin-bottom: 1rem;
            background: #f8f9fa;
            padding: 1rem;
        }

        .product-name {
            font-size: 1.1rem;
            font-weight: 600;
            color: #2c3e50;
            margin-bottom: 1.5rem;
            text-align: center;
            min-height: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .download-pdf-btn {
            background: linear-gradient(45deg, #e74c3c, #c0392b);
            border: none;
            border-radius: 25px;
            padding: 0;
            width: 100%;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(231, 76, 60, 0.3);
        }

        .download-pdf-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(231, 76, 60, 0.4);
        }

        .download-pdf-btn a {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            color: white;
            text-decoration: none;
            padding: 0.8rem 1.5rem;
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.5px;
        }

        .pdf-icon::before {
            content: 'picture_as_pdf';
            font-family: 'Material Icons';
            font-size: 1.2rem;
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .container {
                padding: 10px;
            }

            .valve {
                flex-direction: column;
                gap: 1rem;
                padding-right: 5px;
            }

            .sidebar {
                width: 100%;
                order: 1;
                
            }

            .content-area {
                order: 2;
                padding: 1.5rem;
                margin-left: -35px;
            }

            .accessories-title {
                font-size: 2rem;
            }

            .products-grid {
                grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
                gap: 1.5rem;
            }

            .nav {
                flex-direction: column;
                gap: 1rem;
            }

            .tabs li button {
                padding: 0.8rem 1rem;
                font-size: 0.85rem;
            }
            .sidebar {
            background: linear-gradient(180deg, #f39c12, #e67e22);
            border-radius: 15px;
            padding: 0;
            width: 320px;
            flex-shrink: 0;
            box-shadow: 0 8px 25px rgba(0,0,0,0.15);
            overflow: hidden;
            margin-top: 20px;
            height: 70vh;
          }
          
        }

        @media (max-width: 480px) {
            .products-grid {
                grid-template-columns: 1fr;
            }
            
            .accessories-title {
                font-size: 1.8rem;
            }
            .valve {
            display: flex;
            gap: 2rem;
            min-height: 600px;
            padding-left: 33px;
          }
          
        }

        /* Brand Header */
        .brand-header {
            background: linear-gradient(135deg, #f39c12, #e67e22);
            color: white;
            text-align: center;
            padding: 2rem;
            margin-bottom: 2rem;
            border-radius: 15px;
            box-shadow: 0 8px 25px rgba(0,0,0,0.15);
        }

        .brand-header h1 {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }

        .brand-header p {
            font-size: 1.1rem;
            opacity: 0.9;
        }

        #ggg {
          height: 74vh;
        }




@media only screen and (max-width: 600px) {
#ggg {
  height: 80vh;
}
}