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

        html, body {
            height: 100%;
            width: 100%;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            overflow-x: hidden;
        }

        .page-wrapper {
            min-height: 100%;
            width: 100%;
            display: flex;
            flex-direction: column;
        }

        /* Header - Combined Logo and Menu Bar */
        .header-bar {
            background: #000000;
            padding: 0px 5%;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        .header-content {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 2rem;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            flex-shrink: 0;
        }

        .brand-logo-image {
            width: 100%;
            max-width: 80px;
            height: auto;
        }

        .brand-logo-image img {
            width: 100%;
            height: auto;
            object-fit: contain;
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
            z-index: 101;
        }

        nav {
            flex: 1;
            display: flex;
            justify-content: flex-end;
        }

        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
            justify-content: flex-end;
            align-items: center;
        }

        nav a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            font-size: 1.1rem;
            transition: opacity 0.3s;
            white-space: nowrap;
        }

        nav a:hover {
            opacity: 0.8;
        }

        /* Main content */
        main {
            flex: 1;
            width: 100%;
            background-color: #f5f5f5;
        }

        .section-wrapper {
            max-width: 1200px;
            margin: 0 auto;
            padding: 3rem 5%;
        }

        .section-title {
            font-size: 2.5rem;
            margin-bottom: 2rem;
            text-align: center;
            color: #667eea;
        }

        /* Search Bar */
        .search-container {
            max-width: 600px;
            margin: 0 auto 2rem;
        }

        .search-input {
            width: 100%;
            padding: 1rem 1.5rem;
            font-size: 1.1rem;
            border: 2px solid #e0e0e0;
            border-radius: 50px;
            outline: none;
            transition: all 0.3s;
            box-shadow: 0 2px 8px rgba(0,0,0,0.05);
        }

        .search-input:focus {
            border-color: #667eea;
            box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
        }

        .search-input::placeholder {
            color: #999;
        }

        /* Product cards */
        .products-grid {
            display: flex;
            flex-direction: column;
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .product-card {
            background: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
            transition: transform 0.3s, box-shadow 0.3s;
            cursor: pointer;
            width: 100%;
            display: grid;
            grid-template-columns: 250px 1fr;
        }

        .product-card:hover {
            transform: translateX(5px);
            box-shadow: 0 8px 15px rgba(0,0,0,0.15);
        }

        .product-thumbnail {
            width: 250px;
            height: 100%;
            min-height: 180px;
            background: #f0f0f0;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }

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

        .product-summary {
            padding: 1.5rem;
        }

        .product-name {
            font-size: 1.5rem;
            font-weight: bold;
            margin-bottom: 0.5rem;
            color: #333;
        }

        .product-short-desc {
            color: #666;
            font-size: 0.95rem;
        }

        .expand-icon {
            display: inline-block;
            margin-left: 0.5rem;
            transition: transform 0.3s;
        }

        .product-card.expanded .expand-icon {
            transform: rotate(180deg);
        }

        /* Product details */
        .product-details {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.5s ease-in-out;
            background: #fafafa;
            grid-column: 1 / -1;
        }

        .product-details.open {
            max-height: 2000px;
        }

        .details-content {
            padding: 2rem;
        }

        .details-list {
            margin-bottom: 2rem;
        }

        .details-list h3 {
            font-size: 1.3rem;
            margin-bottom: 1rem;
            color: #667eea;
        }

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

        .details-list li {
            padding: 0.5rem 0 0.5rem 1.5rem;
            position: relative;
        }

        .details-list li:before {
            content: "✓";
            position: absolute;
            left: 0;
            color: #667eea;
            font-weight: bold;
        }

        .video-wrapper {
            position: relative;
            padding-bottom: 56.25%;
            height: 0;
            overflow: hidden;
            border-radius: 8px;
        }

        .video-wrapper iframe {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border: none;
        }

        /* Contact section */
        .contact-section {
            background: white;
            padding: 3rem 5%;
        }

        .contact-content {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 3rem;
            align-items: center;
        }

        .contact-image {
            width: 100%;
            max-width: 300px;
            height: 300px;
            /* background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); */
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 4rem;
            margin: 0 auto;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
        }

        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .contact-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .contact-text {
            flex: 1;
        }

        .contact-label {
            font-weight: bold;
            color: #667eea;
            font-size: 0.9rem;
            margin-bottom: 0.2rem;
        }

        .contact-value {
            color: #333;
            font-size: 1rem;
        }

        .contact-value a {
            color: #333;
            text-decoration: none;
            transition: color 0.3s;
        }

        .contact-value a:hover {
            color: #667eea;
        }

        /* Footer */
        footer {
            background: #333;
            color: white;
            text-align: center;
            padding: 2rem 5%;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .brand-logo-image {
                max-width: 100px;
            }

            .header-content {
                gap: 1rem;
            }

            .menu-toggle {
                display: block;
            }

            nav {
                position: fixed;
                top: 0;
                right: -100%;
                width: 70%;
                height: 100%;
                background: #000000;
                transition: right 0.3s ease;
                padding-top: 5rem;
                justify-content: flex-start;
            }

            nav.active {
                right: 0;
            }

            nav ul {
                flex-direction: column;
                gap: 0;
                text-align: left;
                padding: 1rem;
                justify-content: flex-start;
                width: 100%;
            }

            nav li {
                width: 100%;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            }

            nav a {
                display: block;
                padding: 1.2rem 1rem;
            }

            .section-title {
                font-size: 2rem;
            }

            .product-card {
                grid-template-columns: 150px 1fr;
            }
            
            .product-thumbnail {
                width: 150px;
                min-height: 150px;
            }

            .contact-content {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .contact-image {
                max-width: 200px;
                height: 200px;
                font-size: 3rem;
            }
        }

        @media (max-width: 480px) {
            .brand-logo-image {
                max-width: 80px;
            }

            .section-title {
                font-size: 1.6rem;
            }
            
            .product-card {
                grid-template-columns: 100px 1fr;
            }
            
            .product-thumbnail {
                width: 100px;
                min-height: 120px;
            }
            
            .product-name {
                font-size: 1.2rem;
            }
        }