html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    box-sizing: border-box;
}

       .product-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    /* background-color: #e6e9ec; */
}

        .image-section {
            flex: 1;
            min-width: 320px;
        }
        .main-image {
            width: 100%;
            border-radius: 10px;
            object-fit: cover;
        }
        .gallery {
            display: flex;
            gap: 12px;
            margin-top: 18px;
        }
        .gallery img {
            width: 60px;
            height: 60px;
            border-radius: 5px;
            cursor: pointer;
            object-fit: cover;
            border: 2px solid transparent;
            transition: border 0.3s;
        }
        .gallery img:hover,
        .gallery img.active {
            border-color: #007bff;
        }
        .details {
            flex: 1;
            min-width: 320px;
        }
        .details h1 {
            margin-top: 0;
            font-size: 30px;
            margin-bottom: 10px;
        }
        .details p {
            margin: 10px 0;
            line-height: 1.6;
        }
        .price-info {
            margin-top: 15px;
            font-size: 18px;
        }
        .price-info .expected-price {
            text-decoration: line-through;
            color: #999;
            margin-left: 15px;
            font-weight: normal;
            font-size: 16px;
        }
        .available-qty {
            margin-top: 10px;
            font-weight: bold;
        }
        .action-buttons {
            margin-top: 30px;
            display: flex;
            flex-direction: column;
            gap: 15px;
            max-width: 220px;
        }
        .action-buttons label {
            font-weight: bold;
            margin-bottom: 5px;
            display: block;
        }
        .action-buttons input[type=number] {
            width: 100%;
            padding: 10px;
            font-size: 16px;
            border: 1px solid #ccc;
            border-radius: 6px;
        }
        .action-buttons button,
        .action-buttons a {
            padding: 12px 20px;
            font-size: 16px;
            border-radius: 8px;
            border: none;
            text-decoration: none;
            color: white;
            cursor: pointer;
            transition: background 0.3s ease;
            display: flex;
            align-items: center;
            gap: 8px;
            justify-content: center;
            font-weight: 600;
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
        }
        .action-buttons button {
            background-color: #28a745;
        }
        .action-buttons button:hover {
            background-color: #218838;
        }
        .action-buttons .checkout {
            background-color: #007bff;
        }
        .action-buttons .checkout:hover {
            background-color: #0056b3;
        }
        .action-buttons .whatsapp-button {
            background: #25D366;
        }
        .action-buttons .whatsapp-button:hover {
            background: #1ebe5b;
        }
        .accordion {
            margin-top: 30px;
            max-width: 700px;
        }
        .accordion-item {
            margin-bottom: 15px;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.08);
        }
        .accordion-header {
            background: #f1f1f1;
            padding: 15px 20px;
            font-weight: bold;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            border: none;
            width: 100%;
            text-align: left;
        }
        .accordion-header:hover {
            background-color: #e0e0e0;
        }
        .accordion-content {
            display: none;
            padding: 15px 20px;
            background-color: #fff;
            border-top: 1px solid #ddd;
            line-height: 1.6;
            white-space: pre-wrap;
        }
        .accordion-content[aria-hidden="false"] {
            display: block;
        }
        /* Responsive */
        @media (max-width: 768px) {
            .product-container {
                flex-direction: column;
                padding: 20px;
            }
            .action-buttons {
                max-width: 100%;
            }
        }