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

        .collection {
            padding: 2rem;
            text-align: center;
            max-width: 1200px;
            margin: 0 auto;
        }

        .section-title {
            text-align: center;
            font-size: 2.5rem;
            color: #8b4513;
            margin-bottom: 50px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
            position: relative;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 3px;
            background: linear-gradient(90deg, #d63031, #e17055);
            border-radius: 2px;
        }

        .product-slider {
            position: relative;
            width: 100%;
            margin: 2rem auto;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
            background: rgba(255,255,255,0.1);
            backdrop-filter: blur(10px);
        }

        .products {
            display: flex;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            scroll-snap-align: center;
            scroll-padding-right: 2rem;
            gap: 1rem;
            padding: 1rem 2rem;
            scroll-behavior: smooth;
            -webkit-overflow-scrolling: touch;
            transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        .product-card {
            flex: 0 0 auto;
            width: 320px;
            scroll-snap-align: center;
            border: 1px solid #ddd;
            border-radius: 10px;
            background: #12492e;
            padding: 1rem;
            text-align: center;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s ease;
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }

        .product-card:hover {
            transform: scale(1.05);
        }

        .product-card.active {
            border-color: #b42b51;
            box-shadow: 0 15px 35px rgba(180, 43, 81, 0.3);
        }

        .main-image {
            width: 100%;
            border-radius: 8px;
            object-fit: cover;
            height: 250px;
            transition: transform 0.4s ease;
        }

        .product-card:hover .main-image {
            transform: scale(1.05);
        }

        .product-card h4 {
            padding: 20px;
            color: #fff;
            font-size: 1.2rem;
            text-align: center;
            font-weight: bold;
        }

        .products::-webkit-scrollbar {
            height: 6px;
        }

        .products::-webkit-scrollbar-thumb {
            background: #b42b51;
            border-radius: 10px;
        }

        .products::-webkit-scrollbar-track {
            background: transparent;
        }

        .scroll-btn {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            background: #b42b51;
            color: white;
            border: none;
            font-size: 24px;
            padding: 10px;
            border-radius: 50%;
            cursor: pointer;
            z-index: 2;
            display: none;
            transition: all 0.3s ease;
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }

        .scroll-btn:hover {
            background: #9c2542;
            transform: translateY(-50%) scale(1.1);
            box-shadow: 0 8px 25px rgba(0,0,0,0.3);
        }

        .scroll-btn.left {
            left: 10px;
        }

        .scroll-btn.right {
            right: 10px;
        }

        @media (min-width: 768px) {
            .scroll-btn {
                display: block;
            }
        }

        .expand-indicator {
            position: absolute;
            top: 10px;
            right: 10px;
            background: rgba(180, 43, 81, 0.9);
            color: white;
            border-radius: 50%;
            width: 30px;
            height: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            transition: transform 0.3s ease;
            backdrop-filter: blur(5px);
        }

        .product-card.active .expand-indicator {
            transform: rotate(45deg);
        }

        /* External Details Section */
        .product-details {
            margin-top: 30px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            background: linear-gradient(145deg, #fff 0%, #f8f9fa 100%);
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
            backdrop-filter: blur(10px);
        }

        .product-details.expanded {
            max-height: 1200px;
        }

        .details-content {
            padding: 30px;
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.6s ease 0.2s;
        }

        .product-details.expanded .details-content {
            opacity: 1;
            transform: translateY(0);
        }

        .details-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 25px;
            padding-bottom: 15px;
            border-bottom: 2px solid #e17055;
        }

        .details-title {
            font-size: 1.8rem;
            color: #8b4513;
            font-weight: bold;
            background: linear-gradient(90deg, #d63031, #e17055);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .close-btn {
            background: #b42b51;
            color: white;
            border: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            font-size: 1.5rem;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }

        .close-btn:hover {
            background: #9c2542;
            transform: scale(1.1) rotate(90deg);
            box-shadow: 0 8px 25px rgba(0,0,0,0.3);
        }

        .image-gallery {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin-top: 20px;
        }

        .detail-image {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 15px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
            transition: transform 0.3s ease;
            border: 3px solid transparent;
            background: linear-gradient(145deg, #fff, #f8f9fa);
        }

        .detail-image:hover {
            transform: scale(1.05);
            border-color: #b42b51;
        }

        .product-description {
            margin-top: 20px;
            padding: 20px;
            background: linear-gradient(135deg, #fdcb6e 0%, #e17055 100%);
            border-radius: 15px;
            color: #2d3436;
            font-size: 1.1rem;
            line-height: 1.6;
            box-shadow: inset 0 2px 10px rgba(0,0,0,0.1);
        }

        @media (max-width: 768px) {
            .product-card {
                min-width: 250px;
            }
            
            .section-title {
                font-size: 2rem;
            }
            
            .scroll-btn {
                width: 40px;
                height: 40px;
                font-size: 1.2rem;
            }

            .image-gallery {
                grid-template-columns: repeat(2, 1fr);
            }

            .details-content {
                padding: 20px;
            }
        }