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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            background-color: #fff8ef;
        }

        /* Header and Navigation */
        header {
            background-color: #ffffff;
            padding: 15px 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 80px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.08);
        }

        .logo {
            font-size: 28px;
            font-weight: bold;
            color: #333333;
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            cursor: pointer;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, #ff8c00 0%, #ffb84d 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
        }

        nav ul {
            display: flex;
            list-style: none;
            gap: 0;
        }

        nav > ul > li {
            position: relative;
        }

        nav a {
            display: block;
            padding: 25px 30px;
            font-size: 18px;
            color: #333333;
            text-decoration: none;
            transition: background-color 0.3s ease;
        }

        nav > ul > li > a:hover {
            background-color: #fff2e6;
        }

        /* Dropdown Menu */
        .dropdown {
            position: relative;
        }

        .dropdown-toggle::after {
            content: ' ▼';
            font-size: 12px;
        }

        .dropdown-menu {
            display: none;
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%);
            background-color: #ffffff;
            flex-direction: row;
            z-index: 1000;
            box-shadow: 0 8px 16px rgba(0,0,0,0.08);
        }

        .dropdown-menu li {
            width: auto;
        }

        .dropdown-menu a {
            padding: 15px 30px;
            color: #333333;
            text-decoration: none;
            transition: background-color 0.3s ease;
            display: block;
            white-space: nowrap;
        }

        .dropdown-menu a:hover {
            background-color: #fff2e6;
        }

        .dropdown.active .dropdown-menu {
            display: flex;
        }

        /* Catalog Section */
        .catalog {
            padding: 60px 30px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .catalog h1 {
            text-align: center;
            font-size: 36px;
            margin-bottom: 50px;
            color: #1a1a1a;
        }

        .products-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 30px;
        }

        .product-card {
            background: white;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .product-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 25px rgba(0,0,0,0.15);
        }

        .product-image {
            width: 100%;
            min-height: 260px;
            background: linear-gradient(135deg, #ff8c00 0%, #ffb84d 100%), url('../assets/background.png');
            background-blend-mode: overlay;
            padding: 18px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            position: relative;
            border-radius: 10px 10px 0 0;
        }

        .carousel-container {
            width: 80%;
            position: relative;
            transition: width 0.25s ease;
        }

        .carousel-container.expanded {
            width: 100%;
        }

        .carousel-track {
            display: flex;
            gap: 12px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            padding-bottom: 8px;
        }

        .carousel-track::-webkit-scrollbar {
            height: 8px;
        }

        .carousel-track::-webkit-scrollbar-thumb {
            background: rgba(0, 0, 0, 0.16);
            border-radius: 8px;
        }

        .carousel-item {
            flex: 0 0 100%;
            scroll-snap-align: start;
            border-radius: 16px;
            overflow: hidden;
            background: white;
            box-shadow: 0 10px 22px rgba(0, 0, 0, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 18px;
        }

        .carousel-item.original {
            overflow: visible;
        }

        .carousel-item img {
            width: auto;
            max-width: 100%;
            height: auto;
            max-height: 220px;
            display: block;
            margin: 0 auto;
            cursor: zoom-in;
        }

        .carousel-item img.original-size {
            max-width: none;
            max-height: none;
            cursor: zoom-out;
        }

        .carousel-button {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 36px;
            height: 36px;
            border: none;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.95);
            color: #333;
            font-size: 22px;
            line-height: 1;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
            transition: background 0.2s ease;
        }

        .carousel-button:hover {
            background: white;
        }

        .carousel-button.prev {
            left: 8px;
        }

        .carousel-button.next {
            right: 8px;
        }

        @media (max-width: 1024px) {
            .carousel-item {
                flex: 0 0 100%;
            }

            .carousel-button.prev {
                left: 4px;
            }

            .carousel-button.next {
                right: 4px;
            }
        }

        @media (max-width: 768px) {
            .carousel-item {
                flex: 0 0 800%;
            }

            .carousel-button {
                display: none;
            }
        }

        .product-content {
            padding: 20px;
            position: relative;
        }

        .order-btn {
            position: absolute;
            bottom: 20px;
            right: 20px;
            background: linear-gradient(135deg, #ff8c00 0%, #ffb84d 100%);
            color: white;
            padding: 10px 20px;
            border: none;
            border-radius: 4px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .order-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 14px rgba(255, 140, 0, 0.25);
        }

        .order-btn:active {
            transform: translateY(0);
        }

        .product-title {
            font-size: 24px;
            margin-bottom: 10px;
            color: #1a1a1a;
            border-bottom: 2px solid #ff8c00;
            padding-bottom: 10px;
        }

        .product-subtitle {
            font-size: 18px;
            margin: 0 0 18px;
            color: #555;
            font-weight: 500;
        }

        .product-section-description {
            font-size: 18px;
            margin: 0 0 18px;
            color: #555;
            font-weight: 500;
            display: none;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, opacity 0.3s ease;
            opacity: 0;
        }

        .product-section {
            margin-bottom: 15px;
        }

        .product-section h3 {
            font-size: 16px;
            font-weight: bold;
            color: #ff8c00;
            margin-bottom: 8px;
            text-transform: uppercase;
            cursor: pointer;
            user-select: none;
            transition: color 0.3s ease;
        }

        .product-section h3:hover {
            color: #cc6a00;
        }

        .product-section.active .product-section-description {
            display: block;
            max-height: 500px;
            opacity: 1;
        }

        .product-section p {
            font-size: 14px;
            color: #555;
            margin-bottom: 5px;
        }

        .product-section ul {
            font-size: 14px;
            color: #555;
            padding-left: 20px;
        }

        .product-section li {
            margin-bottom: 3px;
        }

        /* Sidebar */
        .product-sidebar {
            position: fixed;
            top: 110px;
            left: 20px;
            width: 170px;
            background: rgba(255, 255, 255, 0.98);
            border: 1px solid #f1d5b2;
            border-radius: 18px;
            box-shadow: 0 14px 30px rgba(0, 0, 0, 0.08);
            padding: 22px 18px;
            max-height: calc(100vh - 130px);
            overflow-y: auto;
            z-index: 10;
        }

        .product-sidebar ul {
            list-style: none;
            display: grid;
            gap: 10px;
        }

        .product-sidebar a {
            display: block;
            padding: 10px 12px;
            color: #333333;
            text-decoration: none;
            border-radius: 12px;
            transition: background-color 0.2s ease, color 0.2s ease;
        }

        .product-sidebar a:hover,
        .product-sidebar a:focus {
            background-color: #fff2e6;
        }

        .product-sidebar a.active {
            background-color: #ffefd9;
            font-weight: 600;
        }

        .product-card {
            scroll-margin-top: 120px;
        }

        .catalog {
            margin-left: 260px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .product-sidebar {
                position: static;
                width: auto;
                max-height: none;
                margin: 0 auto 30px;
                box-shadow: none;
                border: none;
                padding: 0;
                background: transparent;
            }

            .product-sidebar h2 {
                margin-bottom: 10px;
            }

            .product-sidebar a {
                padding: 8px 0;
                border-radius: 0;
            }

            .catalog {
                margin-left: 0;
            }
        }

        @media (max-width: 768px) {
            .products-grid {
                grid-template-columns: 1fr;
            }

            header {
                flex-direction: column;
                gap: 20px;
            }

            nav ul {
                flex-wrap: wrap;
                justify-content: center;
            }

            .product-sidebar {
                display: none;
            }
        }