* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Poppins", sans-serif;
        }

        body {
            background: #f5f5f5;
            text-align: center;
            padding: 40px;
        }

        .title {
            font-size: 42px;
            font-weight: 700;
            text-align: center;
            margin: 50px 0;
            letter-spacing: 3px;
            background: #b01736;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        /* category buttons */
        .category-buttons {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
            margin-bottom: 50px;
        }

        .btn {
            padding: 14px 28px;
            border: none;
            border-radius: 40px;
            /* background: #f48b55; */
            background: #b01736;
            font-size: 16px;
            cursor: pointer;
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
            transition: 0.3s;
        }

        .btn.active {
            background: #333;
            color: white;
        }

        /* Product Grid - exactly 3 columns on desktop */
        .products {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            max-width: 1100px;
            margin: auto;
        }

        /* Responsive: 2 columns on tablets, 1 column on phones */
        @media (max-width: 768px) {
            .products {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .products {
                grid-template-columns: 1fr;
            }
        }

        /* Card */
        .card {
            background: #ffffff;
            border-radius: 16px;
            overflow: hidden;
            padding-bottom: 20px;
            transition: 0.3s;
            box-shadow: 0 4px 15px rgba(0,0,0,0.08);
        }

        .card:hover {
            transform: translateY(-8px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
        }

        .card img {
            width: 100%;
            height: 370px;
            object-fit: contain;
            background: #fff;
            padding: 20px;
            cursor: pointer;
        }

        .card h3 {
            padding: 10px 15px;
            font-size: 18px;
            font-weight: 600;
        }

        .view-btn {
            margin: 10px auto 0;
            display: block;
            padding: 10px 20px;
            width: 200px;
            border: none;
            background: #333;
            color: white;
            border-radius: 25px;
            cursor: pointer;
            transition: 0.3s;
        }

        .view-btn:hover {
            background: #b01736;
        }

        /* Back button */
        .back-btn {
            padding: 12px 30px;
            border: none;
            background: #6c757d;
            color: white;
            border-radius: 40px;
            font-size: 16px;
            cursor: pointer;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
            transition: 0.3s;
            margin-bottom: 30px;
            display: inline-block;
        }

        .back-btn:hover {
            background: #495057;
            transform: translateY(-2px);
        }

        /* Detail Sections (hidden by default) */
        .detail-section {
            margin-top: 80px;
            display: none;
        }

        .detail-section.active {
            display: block;
        }

        .back-btn-wrapper {
            text-align: center;
            margin-top: 20px;
        }

        /* ========== LIGHTBOX MODAL (single image) ========== */
        .modal {
            display: none;
            position: fixed;
            z-index: 2000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background-color: white;
            justify-content: center;
            align-items: center;
        }

        .modal.show {
            display: flex;
        }

        .modal-content {
            max-width: 90%;
            max-height: 90%;
            object-fit: contain;
        }

        .close-btn {
            position: absolute;
            top: 20px;
            right: 40px;
            color:  #b01736;
            font-size: 50px;
            font-weight: bold;
            cursor: pointer;
            z-index: 2001;
            transition: 0.3s;
        }

        .close-btn:hover {
            color:  #b01736;
        }

        /* ========== MULTI‑IMAGE PREVIEW MODAL ========== */
        .multi-preview-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.8);
            justify-content: center;
            align-items: center;
            z-index: 3000;
        }
        .multi-preview-box {
            position: relative;
            background: #fff;
            padding: 20px;
            border-radius: 12px;
            width: 420px;
            text-align: center;
        }
        .multi-preview-close {
            position: absolute;
            top: 10px;
            right: 15px;
            font-size: 28px;
            cursor: pointer;
            font-weight: bold;
        }
        .multi-preview-main {
            width: 100%;
            height: 300px;
            object-fit: contain;
        }
        .multi-preview-thumbs {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin-top: 15px;
        }
        .multi-preview-thumbs img {
            width: 70px;
            height: 70px;
            object-fit: contain;
            cursor: pointer;
            border: 2px solid transparent;
            border-radius: 6px;
        }
        .multi-preview-thumbs img:hover {
            border-color:  #b01736;
        }

        /* Responsive adjustments */
        @media (max-width: 992px) {
            body { padding: 30px 20px; }
            .title { font-size: 30px; margin-bottom: 30px; }
            .btn { padding: 12px 24px; font-size: 15px; }
        }
        @media (max-width: 768px) {
            .title { font-size: 26px; }
            .btn { padding: 10px 20px; font-size: 14px; }
            .card h3 { font-size: 17px; }
            .view-btn { width: 160px; margin-left: auto; margin-right: auto; }
        }
        @media (max-width: 576px) {
            .btn { padding: 8px 16px; font-size: 13px; }
            .card img { height: 180px; }
            .view-btn { width: 140px; }
        }