:root {
            --rh3o-primary: #1867c0;
            --rh3o-secondary: #00bcd4;
            --rh3o-dark: #1a237e;
            --rh3o-light: #f5f7fa;
            --rh3o-text: #2c3e50;
            --rh3o-text-muted: #607d8b;
            --rh3o-white: #ffffff;
            --rh3o-accent: #ff9800;
            --rh3o-grad: linear-gradient(135deg, #1867c0 0%, #00bcd4 100%);
            --rh3o-shadow: 0 10px 30px rgba(0,0,0,0.08);
            --rh3o-radius: 16px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: var(--rh3o-text);
            line-height: 1.7;
            background-color: var(--rh3o-white);
            overflow-x: hidden;
        }

        /* Typography */
        h1, h2, h3, h4 {
            line-height: 1.2;
            word-break: keep-all;
            white-space: normal;
            color: var(--rh3o-dark);
        }

        h1 { font-size: clamp(2rem, 5vw + 1rem, 3.5rem); font-weight: 800; margin-bottom: 24px; }
        h2 { font-size: clamp(1.5rem, 3vw + 0.5rem, 2.5rem); font-weight: 700; margin-bottom: 32px; }
        h3 { font-size: clamp(1.2rem, 2vw + 0.5rem, 1.8rem); font-weight: 600; margin-bottom: 16px; }
        p { font-size: clamp(1rem, 0.5vw + 0.8rem, 1.15rem); margin-bottom: 16px; word-break: break-word; }

        /* Layout */
        .rh3o-container {
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        /* Navigation */
        .rh3o-nav-wrapper {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }

        .rh3o-nav-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            height: 80px;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 32px;
        }

        .rh3o-logo {
            flex-shrink: 0;
            min-width: 0;
        }

        .rh3o-logo img {
            height: 40px;
            display: block;
        }

        .rh3o-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 8px;
            min-width: 0;
        }

        .rh3o-menu li a {
            text-decoration: none;
            color: var(--rh3o-text);
            font-size: 0.95rem;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 8px;
            transition: all 0.2s ease;
        }

        .rh3o-menu li a:hover {
            color: var(--rh3o-primary);
            background: rgba(24, 103, 192, 0.05);
        }

        .rh3o-menu li a.rh3o-active {
            color: var(--rh3o-white);
            background: var(--rh3o-primary);
        }

        /* Hero Section */
        .rh3o-hero {
            padding: 160px 0 96px;
            background: radial-gradient(circle at 90% 10%, rgba(24, 103, 192, 0.05) 0%, transparent 40%),
                        radial-gradient(circle at 10% 90%, rgba(0, 188, 212, 0.05) 0%, transparent 40%);
            position: relative;
        }

        .rh3o-hero-grid {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 48px;
        }

        .rh3o-hero-content {
            flex: 1;
            min-width: 320px;
        }

        .rh3o-hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(24, 103, 192, 0.1);
            color: var(--rh3o-primary);
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.85rem;
            margin-bottom: 24px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .rh3o-hero-visual {
            flex: 1;
            min-width: 320px;
            position: relative;
        }

        .rh3o-storage-box {
            background: var(--rh3o-grad);
            width: 100%;
            aspect-ratio: 4/3;
            border-radius: var(--rh3o-radius);
            box-shadow: 0 20px 50px rgba(24, 103, 192, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            padding: 40px;
            position: relative;
            overflow: hidden;
        }

        .rh3o-storage-box::after {
            content: '';
            position: absolute;
            width: 150%;
            height: 150%;
            background: repeating-linear-gradient(45deg, rgba(255,255,255,0.05), rgba(255,255,255,0.05) 1px, transparent 1px, transparent 20px);
            top: -25%;
            left: -25%;
        }

        .rh3o-btn {
            display: inline-block;
            padding: 16px 36px;
            background: var(--rh3o-primary);
            color: white;
            text-decoration: none;
            border-radius: 12px;
            font-weight: 600;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(24, 103, 192, 0.3);
            border: none;
            cursor: pointer;
        }

        .rh3o-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(24, 103, 192, 0.4);
        }

        /* Step Section */
        .rh3o-steps {
            padding: 96px 0;
            background: var(--rh3o-light);
        }

        .rh3o-step-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            margin-top: 48px;
        }

        .rh3o-step-card {
            flex: 1;
            min-width: 280px;
            background: var(--rh3o-white);
            padding: 40px;
            border-radius: var(--rh3o-radius);
            box-shadow: var(--rh3o-shadow);
            transition: all 0.3s ease;
            position: relative;
            border-bottom: 4px solid transparent;
        }

        .rh3o-step-card:hover {
            transform: translateY(-10px);
            border-color: var(--rh3o-secondary);
        }

        .rh3o-step-num {
            font-size: 3rem;
            font-weight: 900;
            color: rgba(24, 103, 192, 0.1);
            position: absolute;
            top: 20px;
            right: 30px;
        }

        /* Matrix Section */
        .rh3o-matrix {
            padding: 96px 0;
        }

        .rh3o-matrix-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 24px;
        }

        .rh3o-matrix-item {
            border: 1px solid #eee;
            padding: 32px;
            border-radius: var(--rh3o-radius);
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .rh3o-matrix-tag {
            font-size: 0.75rem;
            background: #f0f4f8;
            padding: 4px 12px;
            border-radius: 4px;
            width: fit-content;
            font-weight: bold;
            color: var(--rh3o-text-muted);
        }

        /* Deployment Section */
        .rh3o-guide-section {
            padding: 96px 0;
            background: #0a192f;
            color: #e6f1ff;
        }

        .rh3o-guide-section h2 { color: #fff; }

        .rh3o-code-block {
            background: #112240;
            padding: 24px;
            border-radius: 8px;
            font-family: 'Courier New', Courier, monospace;
            color: #64ffda;
            margin: 20px 0;
            border-left: 4px solid var(--rh3o-secondary);
            overflow-x: auto;
        }

        /* Footer */
        .rh3o-footer {
            background: #f8fafc;
            padding: 80px 0 40px;
            border-top: 1px solid #e2e8f0;
        }

        .rh3o-footer-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 64px;
            margin-bottom: 64px;
        }

        .rh3o-footer-brand {
            flex: 2;
            min-width: 280px;
        }

        .rh3o-footer-brand-name {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--rh3o-primary);
            margin-bottom: 16px;
        }

        .rh3o-footer-links {
            flex: 1;
            min-width: 150px;
        }

        .rh3o-footer-links h4 {
            margin-bottom: 24px;
            font-size: 1.1rem;
        }

        .rh3o-footer-links ul {
            list-style: none;
        }

        .rh3o-footer-links ul li {
            margin-bottom: 12px;
        }

        .rh3o-footer-links a {
            text-decoration: none;
            color: var(--rh3o-text-muted);
            transition: color 0.2s;
        }

        .rh3o-footer-links a:hover {
            color: var(--rh3o-primary);
        }

        .rh3o-copyright {
            text-align: center;
            padding-top: 40px;
            border-top: 1px solid #e2e8f0;
            color: var(--rh3o-text-muted);
            font-size: 0.9rem;
        }

        /* Mobile Adjustments */
        @media (max-width: 768px) {
            .rh3o-nav-container {
                height: auto;
                padding: 16px;
            }
            .rh3o-menu {
                margin-top: 16px;
                justify-content: center;
            }
            .rh3o-hero {
                padding-top: 140px;
                text-align: center;
            }
            .rh3o-hero-grid {
                flex-direction: column;
            }
            .rh3o-matrix-grid {
                grid-template-columns: 1fr;
            }
        }