:root {
            --r6tl-primary: #FF6C37;
            --r6tl-secondary: #00F2FE;
            --r6tl-dark: #1C272B;
            --r6tl-light: #F8FAFB;
            --r6tl-text: #282828;
            --r6tl-text-muted: #6B6B6B;
            --r6tl-white: #FFFFFF;
            --r6tl-glass: rgba(255, 255, 255, 0.8);
            --r6tl-radius: 16px;
            --r6tl-container-width: 1300px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            background-color: var(--r6tl-light);
            color: var(--r6tl-text);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* Utility Classes */
        .r6tl-container {
            max-width: var(--r6tl-container-width);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        .r6tl-flex {
            display: flex;
            flex-wrap: wrap;
        }

        .r6tl-grid {
            display: grid;
            gap: 32px;
        }

        /* Navigation */
        .r6tl-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--r6tl-glass);
            backdrop-filter: blur(15px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            padding: 16px 0;
        }

        .r6tl-nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }

        .r6tl-logo {
            min-width: 0;
            flex-shrink: 0;
        }

        .r6tl-logo img {
            height: 40px;
            display: block;
        }

        .r6tl-nav-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 8px;
            min-width: 0;
        }

        .r6tl-nav-item a {
            text-decoration: none;
            color: var(--r6tl-text);
            padding: 8px 12px;
            font-size: 14px;
            font-weight: 500;
            border-radius: 8px;
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .r6tl-nav-item a:hover {
            background: rgba(255, 108, 55, 0.1);
            color: var(--r6tl-primary);
        }

        .r6tl-nav-item a.r6tl-active {
            background: var(--r6tl-primary);
            color: var(--r6tl-white);
        }

        /* Hero Section - Unique Diagonal Split */
        .r6tl-hero {
            position: relative;
            background: linear-gradient(135deg, var(--r6tl-dark) 0%, #2c3e50 100%);
            color: var(--r6tl-white);
            padding: 96px 0 128px;
            overflow: hidden;
        }

        .r6tl-hero::after {
            content: '';
            position: absolute;
            bottom: -50px;
            left: 0;
            width: 100%;
            height: 100px;
            background: var(--r6tl-light);
            transform: skewY(-2deg);
        }

        .r6tl-hero-content {
            max-width: 800px;
            position: relative;
            z-index: 2;
        }

        .r6tl-hero-title {
            font-size: clamp(2.5rem, 5vw + 1rem, 4rem);
            line-height: 1.1;
            font-weight: 800;
            margin-bottom: 24px;
            word-break: keep-all;
        }

        .r6tl-hero-subtitle {
            font-size: clamp(1.1rem, 2vw + 0.2rem, 1.4rem);
            opacity: 0.9;
            margin-bottom: 48px;
            max-width: 650px;
            word-break: break-word;
        }

        /* Download Section Card */
        .r6tl-download-wrapper {
            margin-top: -80px;
            position: relative;
            z-index: 10;
        }

        .r6tl-download-card {
            background: var(--r6tl-white);
            border-radius: 24px;
            box-shadow: 0 20px 50px rgba(0,0,0,0.1);
            padding: 48px;
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
            align-items: center;
        }

        .r6tl-download-info {
            flex: 1;
            min-width: 300px;
        }

        .r6tl-download-options {
            flex: 1;
            min-width: 300px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .r6tl-btn-download {
            background: var(--r6tl-primary);
            color: white;
            text-decoration: none;
            padding: 16px 32px;
            border-radius: 12px;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            box-shadow: 0 4px 15px rgba(255, 108, 55, 0.3);
            text-align: center;
        }

        .r6tl-btn-download:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(255, 108, 55, 0.4);
        }

        .r6tl-btn-secondary {
            background: var(--r6tl-dark);
            color: white;
            padding: 16px 24px;
            border-radius: 12px;
            text-decoration: none;
            text-align: center;
            font-weight: 600;
            transition: all 0.3s ease;
        }

        .r6tl-btn-secondary:hover {
            background: #000;
        }

        /* Matrix Section */
        .r6tl-section {
            padding: 96px 0;
        }

        .r6tl-section-title {
            text-align: center;
            font-size: clamp(2rem, 3vw, 2.5rem);
            margin-bottom: 64px;
            color: var(--r6tl-dark);
        }

        .r6tl-matrix-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 32px;
        }

        .r6tl-matrix-card {
            background: var(--r6tl-white);
            padding: 32px;
            border-radius: var(--r6tl-radius);
            border-bottom: 4px solid var(--r6tl-secondary);
            transition: transform 0.3s ease;
        }

        .r6tl-matrix-card:hover {
            transform: translateY(-10px);
        }

        .r6tl-matrix-tag {
            display: inline-block;
            background: rgba(0, 242, 254, 0.1);
            color: #008a91;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .r6tl-matrix-h3 {
            font-size: 24px;
            margin-bottom: 16px;
        }

        .r6tl-payload-item {
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid #eee;
        }

        .r6tl-payload-label {
            font-weight: 700;
            display: block;
            font-size: 14px;
            color: var(--r6tl-primary);
        }

        .r6tl-payload-desc {
            font-size: 14px;
            color: var(--r6tl-text-muted);
        }

        /* Features Section */
        .r6tl-features {
            background: var(--r6tl-dark);
            color: var(--r6tl-white);
        }

        .r6tl-feature-box {
            display: flex;
            align-items: flex-start;
            gap: 24px;
            padding: 24px;
            min-width: 0;
        }

        .r6tl-feature-icon {
            width: 48px;
            height: 48px;
            background: var(--r6tl-secondary);
            border-radius: 12px;
            flex-shrink: 0;
        }

        /* Footer */
        .r6tl-footer {
            background: #f0f3f5;
            padding: 64px 0 32px;
            border-top: 1px solid #ddd;
        }

        .r6tl-footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 48px;
        }

        .r6tl-footer-brand {
            font-size: 24px;
            font-weight: 800;
            color: var(--r6tl-dark);
            margin-bottom: 16px;
        }

        .r6tl-footer-links h4 {
            margin-bottom: 20px;
            font-size: 16px;
        }

        .r6tl-footer-links ul {
            list-style: none;
        }

        .r6tl-footer-links li {
            margin-bottom: 10px;
        }

        .r6tl-footer-links a {
            text-decoration: none;
            color: var(--r6tl-text-muted);
            font-size: 14px;
        }

        .r6tl-copyright {
            margin-top: 64px;
            padding-top: 32px;
            border-top: 1px solid #e0e0e0;
            text-align: center;
            font-size: 14px;
            color: var(--r6tl-text-muted);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .r6tl-footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .r6tl-nav-menu {
                display: none; /* In real design, add a hamburger menu */
            }
            .r6tl-download-card {
                padding: 24px;
            }
            .r6tl-download-options {
                grid-template-columns: 1fr;
            }
            .r6tl-footer-grid {
                grid-template-columns: 1fr;
            }
            .r6tl-matrix-grid {
                grid-template-columns: 1fr;
            }
        }