:root {
            --primary: #000;
            --accent: #555;
            --light-bg: #f8f9fa;
            --medium-bg: #e9ecef;
            --dark-text: #212529;
            --light-text: #f8f9fa;
            --border: #dee2e6;
            --highlight: #1a1a1a;
        }
        
        body {
            font-family: 'Roboto', sans-serif;
            line-height: 1.7;
            color: var(--dark-text);
            background-color: #fff;
            min-height: 100vh;
            padding-bottom: 40px;
            overflow-x: hidden;
        }
        
        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* Header Styles */
        header {
            text-align: center;
            padding: 100px 20px 70px;
            background: linear-gradient(to bottom, #f0f2f5 0%, #e2e6ea 100%);
            color: var(--dark-text);
            position: relative;
            overflow: hidden;
            margin-bottom: 60px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.05);
        }
        
        .header-content {
            max-width: 800px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }
        
        h1 {
            font-family: 'Montserrat', sans-serif;
            font-size: 3.8rem;
            font-weight: 800;
            letter-spacing: -1.5px;
            margin-bottom: 20px;
            text-transform: uppercase;
            line-height: 1.1;
            color: var(--primary);
            text-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }
        
        .subtitle {
            font-size: 1.5rem;
            opacity: 0.85;
            max-width: 700px;
            margin: 0 auto 40px;
            font-weight: 400;
            color: #495057;
        }
        
        .header-line {
            height: 2px;
            background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.3), transparent);
            width: 60%;
            margin: 40px auto;
        }
        
        /* Product Section Styles */
        .product-section {
            display: flex;
            align-items: center;
            margin-bottom: 140px;
            position: relative;
        }
        
        .image-container {
            flex: 1;
            min-height: 500px;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
            background: var(--light-bg);
            border-radius: 10px;
            box-shadow: 0 20px 50px rgba(0,0,0,0.1);
            transition: all 0.5s ease;
        }
        
        .image-container:hover {
            box-shadow: 0 25px 60px rgba(0,0,0,0.15);
            transform: translateY(-5px);
        }
        
        .image-container img {
            max-width: 85%;
            max-height: 380px;
            transition: transform 0.6s cubic-bezier(0.215, 0.61, 0.355, 1);
            filter: grayscale(20%) contrast(110%) brightness(1.02);
        }
        
        .image-container:hover img {
            transform: scale(1.05);
            filter: grayscale(0%) contrast(120%);
        }
        
        .content {
            flex: 1;
            padding: 0 70px;
        }
        
        .section-title {
            font-family: 'Montserrat', sans-serif;
            font-size: 2.4rem;
            font-weight: 700;
            margin-bottom: 35px;
            color: var(--primary);
            position: relative;
            padding-bottom: 15px;
        }
        
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background: var(--accent);
        }
        
        .section-subtitle {
            font-size: 1.35rem;
            margin-bottom: 30px;
            font-weight: 500;
            color: #495057;
            line-height: 1.6;
        }
        
        .benefits-list {
            margin: 40px 0;
        }
        
        .benefit-item {
            display: flex;
            margin-bottom: 30px;
            align-items: flex-start;
            transition: transform 0.3s ease;
        }
        
        .benefit-item:hover {
            transform: translateX(5px);
        }
        
        .benefit-icon {
            width: 55px;
            height: 55px;
            background: linear-gradient(135deg, var(--primary) 0%, #1a1a1a 100%);
            color: var(--light-text);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 20px;
            flex-shrink: 0;
            font-size: 1.3rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        
        .benefit-content h3 {
            font-family: 'Montserrat', sans-serif;
            font-size: 1.35rem;
            margin-bottom: 8px;
            color: var(--primary);
        }
        
        .benefit-content p {
            color: #495057;
            font-size: 1.1rem;
        }
        
        .spec-highlight {
            background: var(--light-bg);
            padding: 35px 40px;
            border-radius: 8px;
            margin: 40px 0;
            border-left: 4px solid var(--accent);
            position: relative;
            overflow: hidden;
        }
        
        .spec-highlight:before {
            content: """;
            position: absolute;
            left: 15px;
            top: -30px;
            font-size: 8rem;
            color: rgba(0, 0, 0, 0.1);
            font-family: Georgia, serif;
            z-index: 0;
        }
        
        .spec-highlight p {
            font-size: 1.15rem;
            color: var(--dark-text);
            font-style: italic;
            position: relative;
            padding-left: 20px;
            z-index: 1;
            font-weight: 500;
        }
        
        .alternate {
            flex-direction: row-reverse;
        }
        
        .material-section {
            text-align: center;
            margin: 120px 0;
            padding: 0 20px;
        }
        
        .material-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 50px;
            margin-top: 60px;
        }
        
        .material-card {
            padding: 50px 40px;
            background: var(--light-bg);
            border-radius: 10px;
            transition: all 0.4s ease;
            position: relative;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
        }
        
        .material-card:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: var(--accent);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.4s ease;
        }
        
        .material-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.1);
        }
        
        .material-card:hover:before {
            transform: scaleX(1);
        }
        
        .material-icon {
            font-size: 3.5rem;
            margin-bottom: 25px;
            color: var(--primary);
            transition: transform 0.4s ease;
        }
        
        .material-card:hover .material-icon {
            transform: scale(1.1);
        }
        
        .material-title {
            font-family: 'Montserrat', sans-serif;
            font-size: 1.6rem;
            margin-bottom: 20px;
            color: var(--primary);
        }
        
        .material-desc {
            color: #495057;
            font-size: 1.1rem;
            margin: 0 auto;
            line-height: 1.7;
        }
        
        .performance-section {
            background: var(--medium-bg);
            color: var(--dark-text);
            padding: 120px 0;
            margin: 120px 0 60px;
            position: relative;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        
        .performance-content {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
            position: relative;
            z-index: 2;
            padding: 0 20px;
        }
        
        .performance-title {
            font-family: 'Montserrat', sans-serif;
            font-size: 2.7rem;
            margin-bottom: 30px;
            color: var(--primary);
        }
        
        .performance-text {
            font-size: 1.25rem;
            opacity: 0.9;
            margin-bottom: 40px;
            line-height: 1.8;
            color: #495057;
        }
        
        /* Enhanced Contact Button */
        .performance-cta {
            display: inline-block;
            background: transparent;
            color: var(--primary);
            padding: 18px 50px;
            border: 2px solid var(--primary);
            border-radius: 0;
            text-decoration: none;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-top: 20px;
            transition: all 0.4s ease;
            font-size: 1rem;
            position: relative;
            overflow: hidden;
            animation: pulse 2s infinite;
            transform: translateZ(0);
        }
        
        .performance-cta:before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: var(--primary);
            transition: transform 0.4s ease;
            z-index: -1;
        }
        
        .performance-cta:hover {
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
        }
        
        .performance-cta:hover:before {
            transform: translateX(100%);
        }
        
        .performance-cta:after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
            transform: translateX(-100%);
            transition: transform 0.6s ease;
        }
        
        .performance-cta:hover:after {
            transform: translateX(100%);
        }
        
        footer {
            text-align: center;
            margin-top: 80px;
            padding: 40px 20px;
            color: #6c757d;
            font-size: 1rem;
            border-top: 1px solid var(--border);
        }
        
        /* Responsive Design */
        @media (max-width: 1100px) {
            .product-section {
                flex-direction: column;
                margin-bottom: 100px;
            }
            
            .alternate {
                flex-direction: column;
            }
            
            .image-container {
                width: 100%;
                min-height: 400px;
                margin-bottom: 50px;
            }
            
            .content {
                padding: 0 20px;
            }
            
            .material-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            
            h1 {
                font-size: 3rem;
            }
        }
        
        @media (max-width: 768px) {
            header {
                padding: 70px 20px 50px;
            }
            
            h1 {
                font-size: 2.5rem;
            }
            
            .subtitle {
                font-size: 1.3rem;
            }
            
            .section-title {
                font-size: 2rem;
            }
            
            .section-subtitle {
                font-size: 1.15rem;
            }
            
            .content {
                padding: 0 15px;
            }
            
            .material-card {
                padding: 40px 25px;
            }
        }
        
        /* Animation Effects */
        .animate-in {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }
        
        .animate-in.appear {
            opacity: 1;
            transform: translateY(0);
        }
        
        /* Pulse animation for contact button */
        @keyframes pulse {
            0% {
                box-shadow: 0 0 0 0 rgba(0, 0, 0, 0.15);
            }
            70% {
                box-shadow: 0 0 0 12px rgba(0, 0, 0, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(0, 0, 0, 0);
            }
        }