:root {
            --primary: #022279;
            --secondary: #fcbe03;
            --dark: #1A2930;
            --light: #F5F7FA;
            --success: #28A745;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            /* font-family: 'Inter', system-ui, -apple-system, sans-serif; */
            background: var(--light);
            color: var(--dark);
            /* line-height: 1.7; */
        }

       
        /* .logo {
            width: 180px;
            filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
        } */

        .main-content {
            max-width: 1400px;
            margin: 3rem auto;
            padding: 0 2rem;
        }

        .product-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            background: white;
            border-radius: 20px;
            padding: 3rem;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
        }

        .gallery-section {
            position: relative;
            border-radius: 15px;
            overflow: hidden;
        }

        .main-image {
            width: 100%;
            height: 500px;
            object-fit: contain;
            transition: transform 0.3s ease;
            cursor: zoom-in;
            background: #f8f9fa;
            border-radius: 15px;
            padding: 1rem;
        }

        .thumbnails {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1rem;
            margin-top: 1.5rem;
        }

        .thumbnail {
            width: 100%;
            height: 80px;
            object-fit: cover;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.3s ease;
            border: 2px solid transparent;
        }

        .thumbnail.active {
            border-color: var(--primary);
            transform: scale(1.05);
        }

        .product-info {
            position: relative;
        }

        .badge {
            background: var(--secondary);
            color: white !important;
            padding: 0.5rem 1rem;
            border-radius: 30px;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 1rem;
        }

        h1 {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }

        .specs-tabs {
            margin: 2rem 0;
        }

        .tab-buttons {
            display: flex;
            gap: 1rem;
            border-bottom: 2px solid #eee;
            margin-bottom: 1.5rem;
        }

        .tab-btn {
            background: none;
            border: none;
            padding: 1rem 2rem;
            cursor: pointer;
            font-weight: 600;
            color: #666;
            transition: all 0.3s ease;
            position: relative;
        }

        .tab-btn.active {
            color: var(--primary);
        }

        .tab-btn.active:after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--primary);
        }

        .tab-content {
            display: none;
            animation: fadeIn 0.3s ease;
        }

        .tab-content.active {
            display: block;
        }

        .spec-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
        }

        .spec-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 8px;
            
            border-radius: 10px;
            transition: transform 0.3s ease;
            font-size: 14px;
        }

        .spec-item:hover {
            transform: translateY(-3px);
        }

        .spec-icon {
            width: 20px;
            height: 20px;
            background: #fcbe03;;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
        }

        .price-section {
            background: var(--light);
            padding: 2rem;
            border-radius: 15px;
            margin-top: 2rem;
            text-align: center;
        }

        .price {
            font-size: 2rem;
            color: var(--primary);
            font-weight: 700;
            margin: 1rem 0;
        }

        .cta-button {
            background: var(--primary);
            color: white;
            padding: 1.2rem 3rem;
            border: none;
            border-radius: 50px;
            font-size: 1.1rem;
            cursor: pointer;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 0.8rem;
            box-shadow: 0 5px 15px rgba(0,105,180,0.3);
        }

        .cta-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 7px 20px rgba(0,105,180,0.4);
        }

        .download-links {
            margin-top: 2rem;
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            justify-content: center;
        }

        .download-btn {
            background: white;
            color: var(--primary);
            border: 2px solid var(--primary);
            padding: 0.8rem 1.5rem;
            border-radius: 8px;
            text-decoration: none;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

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

        footer {
    background: #003087;
    color: white;
    padding: 40px 20px;
    font-size: 14px;
}

        footer .logo {
            margin-bottom: 1.5rem;
    width: 250px;
        }

        footer p {
            margin: 0.75rem 0;
            font-size: 16px;
        }

        footer a {
    color: #fcbe03; /* Secondary color for links */
            text-decoration: none;
            margin: 0 0.75rem;
            font-weight: 500;
            transition: color 0.3s ease;
        }

        footer a:hover, footer a:focus {
    color: #FFFFFF; /* White text on hover */
            outline: none;
        }

        .custom-list{
            margin-left: 21px;
            list-style: circle;
        }
        /* .custom-list li::marker {
            color: #00B4D8; 
        } */
        .back-button {
            display: inline-block;
            margin-top: 2rem;
            padding: 0.8rem 1.5rem;
            background-color: #ffffff;
            border: 2px solid #022279; /* Blue border */
            border-radius: 8px;
            color: #333333;
            text-decoration: none;
            font-weight: 600;
            font-size: 16px;
            transition: background-color 0.3s ease, transform 0.3s ease;
        }

        .back-button:hover, .back-button:focus {
            background-color: #022279; /* Blue on hover/focus */
            color: #ffffff;
            transform: scale(1.05); /* Slight scale for animation */
            outline: none;
        }

        

        @media (max-width: 1200px) {
            .product-grid {
                grid-template-columns: 1fr;
                width: fit-content;
                max-width: 1200px;
                margin: 0 auto;
                padding: 15px;
            }
            
            .main-image {
                height: 400px;
                pointer-events: none;
            }
        }

        @media (max-width: 768px) {
            .spec-list {
                grid-template-columns: 1fr;
            }
            
            .tab-buttons {
                flex-wrap: wrap;
                flex-direction: column;
            }
            
            h1 {
                font-size: 2rem;
            }

            .back-button {
                padding: 0.7rem 1.2rem;
                font-size: 14px;
            }
        }

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