:root {
            --primary-color: #2c3e50;
            --secondary-color: #e74c3c;
            --accent-color: #3498db;
        }
        

 body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: #f8f9fa;
        }
        
        /* Page Header */

        .page-header {
    position: relative;
    width: 100%;
    height: 350px;  /* adjust as needed */
    overflow: hidden;
}

.header-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Position text ON TOP of the image */
.page-header-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    text-align: center;
    z-index: 2;
    width: 100%;
    max-width: 900px;
    padding: 20px;
}

/* Optional overlay for better readability */
.page-header::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.45);
    z-index: 1;
}

.page-header h1 
{
font-size: 3.5rem;
font-weight: bold;
margin-bottom: 20px;
}



        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        /* Product Details Section */
        .product-details-section {
            background: white;
            border-radius: 20px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.1);
            overflow: hidden;
            margin-bottom: 50px;
            margin-top: 40px;
        }
        
        .product-details-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
        }
        
        /* Left Side - Image Gallery */
        .product-images {
            padding: 40px;
            background: #fafafa;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        
        .main-image-container {
            position: relative;
            overflow: hidden;
            border-radius: 15px;
            background: white;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
        }
        
        .main-image {
            width: 100%;
            height: 500px;
            object-fit: cover;
            display: block;
            transition: transform 0.5s ease;
        }
        
        .main-image:hover {
            transform: scale(1.05);
        }
        
        .product-badge {
            position: absolute;
            top: 20px;
            right: 20px;
            background: var(--secondary-color);
            color: white;
            padding: 10px 25px;
            border-radius: 30px;
            font-weight: bold;
            font-size: 0.9rem;
            z-index: 2;
            box-shadow: 0 5px 15px rgba(231, 76, 60, 0.4);
        }
        
        .thumbnail-images {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 15px;
        }
        
        .thumbnail {
            width: 100%;
            height: 100px;
            object-fit: cover;
            border-radius: 10px;
            cursor: pointer;
            border: 3px solid transparent;
            transition: all 0.3s;
        }
        
        .thumbnail:hover {
            border-color: var(--accent-color);
            transform: translateY(-5px);
        }
        
        .thumbnail.active {
            border-color: var(--primary-color);
            box-shadow: 0 5px 15px rgba(44, 62, 80, 0.3);
        }
        
        /* Right Side - Product Details */
        .product-info {
            padding: 40px;
            display: flex;
            flex-direction: column;
        }
        
        .product-category-badge {
            display: inline-block;
            background: var(--accent-color);
            color: white;
            padding: 8px 20px;
            border-radius: 25px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
            width: fit-content;
        }
        
        .product-title {
            font-size: 2.5rem;
            font-weight: bold;
            color: var(--primary-color);
            margin-bottom: 20px;
            line-height: 1.2;
        }
        
        .product-rating {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 25px;
        }
        
        .stars {
            color: #ffc107;
            font-size: 1.1rem;
        }
        
        .rating-text {
            color: #666;
            font-size: 0.95rem;
        }
        
        .product-price {
            font-size: 2rem;
            font-weight: bold;
            color: var(--secondary-color);
            margin-bottom: 25px;
        }
        
        .price-note {
            font-size: 0.9rem;
            color: #888;
            margin-top: 5px;
        }



        .productdetails p{
            color: #555;
            line-height: 1.8;
            margin-bottom: 30px;
            font-size: 1.05rem;
        }
        
        /* .product-description {
            color: #555;
            line-height: 1.8;
            margin-bottom: 30px;
            font-size: 1.05rem;
        } */
        
        .product-features {
            background: #f8f9fa;
            padding: 25px;
            border-radius: 15px;
            margin-bottom: 30px;
        }
        
        .features-title {
            font-size: 1.3rem;
            font-weight: bold;
            color: var(--primary-color);
            margin-bottom: 15px;
        }

        .productdetails ul{
            list-style: none;
            padding: 0;
        }


        .productdetails li {
            padding: 10px 0;
            color: #555;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .productdetails li::before{
              content: "\f058"; /* FontAwesome check-circle */
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    left: 0;
    top: 2px; 
    font-size: 16px;
    color: #e74c3c; /* or green */
        }
        
        .productdetails li i {
            color: var(--accent-color);
            font-size: 1.1rem;
        }
        
        .features-list {
            list-style: none;
            padding: 0;
        }
        
        .features-list li {
            padding: 10px 0;
            color: #555;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        
        .features-list li i {
            color: var(--accent-color);
            font-size: 1.1rem;
        }
        
        .product-specs {
            margin-bottom: 30px;
        }
        
        .specs-title {
            font-size: 1.3rem;
            font-weight: bold;
            color: var(--primary-color);
            margin-bottom: 15px;
        }
        
        .specs-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
        }
        
        .spec-item {
            display: flex;
            justify-content: space-between;
            padding: 12px 15px;
            background: #f8f9fa;
            border-radius: 8px;
        }
        
        .spec-label {
            font-weight: 600;
            color: #555;
        }
        
        .spec-value {
            color: #888;
        }
        
        .product-actions {
            display: flex;
            gap: 15px;
            margin-top: auto;
            padding-top: 30px;
            border-top: 2px solid #f0f0f0;
        }
        
        .btn-primary-action {
            flex: 1;
            background: var(--primary-color);
            color: white;
            padding: 15px 30px;
            border: none;
            border-radius: 30px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }
        
        .btn-primary-action:hover {
            background: var(--accent-color);
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(52, 152, 219, 0.3);
        }
        
        .btn-secondary-action {
            background: white;
            color: var(--primary-color);
            padding: 15px 30px;
            border: 2px solid var(--primary-color);
            border-radius: 10px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s;
            text-decoration: none;
        }
        
        .btn-secondary-action:hover {
            background: var(--primary-color);
            color: white;
        }
        
        /* Additional Info Tabs */
        .additional-info {
            background: white;
            border-radius: 20px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.1);
            padding: 40px;
            margin-bottom: 50px;
        }
        
        .info-tabs {
            display: flex;
            gap: 30px;
            border-bottom: 2px solid #e0e0e0;
            margin-bottom: 30px;
        }
        
        .info-tab {
            padding: 15px 25px;
            background: none;
            border: none;
            font-size: 1.1rem;
            font-weight: 600;
            color: #888;
            cursor: pointer;
            transition: all 0.3s;
            position: relative;
        }
        
        .info-tab.active {
            color: var(--primary-color);
        }
        
        .info-tab.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--primary-color);
        }
        
        .tab-content {
            display: none;
        }
        
        .tab-content.active {
            display: block;
            animation: fadeIn 0.5s;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .tab-content h3 {
            color: var(--primary-color);
            margin-bottom: 15px;
        }
        
        .tab-content p {
            color: #555;
            line-height: 1.8;
            margin-bottom: 15px;
        }
        
        .tab-content ul {
            list-style: none;
            padding: 0;
        }
        
        .tab-content ul li {
            padding: 8px 0;
            color: #555;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .tab-content ul li i {
            color: var(--accent-color);
        }
        
        /* Related Products */
        .related-products {
            margin-bottom: 50px;
        }
        
        .section-title {
            font-size: 2rem;
            font-weight: bold;
            color: var(--primary-color);
            margin-bottom: 30px;
            text-align: center;
        }
        
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 25px;
        }
        
        .related-card {
            background: white;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
            transition: transform 0.3s;
            cursor: pointer;
        }
        
        .related-card:hover {
            transform: translateY(-10px);
        }
        
        .related-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        
        .related-card-content {
            padding: 20px;
        }
        
        .related-card h4 {
            font-size: 1.1rem;
            color: var(--primary-color);
            margin-bottom: 10px;
        }
        
        .related-card p {
            font-size: 0.9rem;
            color: #666;
        }
        
        /* Responsive */
        @media (max-width: 992px) {
            .product-details-container {
                grid-template-columns: 1fr;
            }
            
            .product-images {
                order: 1;
            }
            
            .product-info {
                order: 2;
            }
            
            .specs-grid {
                grid-template-columns: 1fr;
            }
            
            .product-actions {
                flex-direction: column;
            }
        }
        
        @media (max-width: 768px) {
            .product-title {
                font-size: 2rem;
            }
            
            .main-image {
                height: 350px;
            }
            
            .thumbnail-images {
                grid-template-columns: repeat(3, 1fr);
            }
            
            .info-tabs {
                flex-direction: column;
                gap: 10px;
            }
        }

        .form-control[readonly] {
    background-color: #e9ecef;
    opacity: 1;
}