:root {
            --bg-primary: #0a0e27;
            --bg-secondary: #11183d;
            --text-primary: #ffffff;
            --text-secondary: #b8c1ec;
            --accent-core: #00ff9f;
            --accent-kii: #00d4ff;
            --accent-dns: #7c3aed;
            --accent-site: #ff006e;
            --accent-relay: #ffd60a;
            --border-color: #1e2a5e;
            --shadow-neon: 0 0 10px rgba(124, 58, 237, 0.3);
            --transition: all 0.3s ease;
        }

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

        body {
            font-family: 'Inter', sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header & Navigation */
        header {
            background-color: rgba(10, 14, 39, 0.95);
            backdrop-filter: blur(10px);
            position: fixed;
            width: 100%;
            z-index: 1000;
            border-bottom: 1px solid var(--border-color);
        }

        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 700;
            font-size: 24px;
        }

        .logo-dot {
            color: var(--accent-dns);
        }

        .cluster-nav {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .cluster-link {
            padding: 6px 12px;
            border-radius: 6px;
            font-size: 14px;
            font-weight: 500;
            text-decoration: none;
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .cluster-core { color: var(--accent-core); border-color: var(--accent-core); }
        .cluster-kii { color: var(--accent-kii); border-color: var(--accent-kii); }
        .cluster-dns { color: var(--accent-dns); border-color: var(--accent-dns); }
        .cluster-site { color: var(--accent-site); border-color: var(--accent-site); }
        .cluster-relay { color: var(--accent-relay); border-color: var(--accent-relay); }

        .cluster-link:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-neon);
        }

        .lang-switcher {
            background: transparent;
            border: 1px solid var(--border-color);
            color: var(--text-primary);
            padding: 8px 16px;
            border-radius: 6px;
            cursor: pointer;
            transition: var(--transition);
        }

        .lang-switcher:hover {
            border-color: var(--accent-dns);
        }

        /* Hero Section */
        .hero {
            padding: 180px 0 100px;
            text-align: center;
            background: linear-gradient(180deg, var(--bg-primary) 0%, rgba(124, 58, 237, 0.05) 100%);
        }

        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            background: linear-gradient(90deg, var(--accent-dns), #6d28d9);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-subtitle {
            font-size: 1.2rem;
            color: var(--text-secondary);
            max-width: 800px;
            margin: 0 auto 40px;
        }

        .sla-badge {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 15px 30px;
            border: 2px solid var(--accent-dns);
            border-radius: 10px;
            margin: 30px 0;
            background: rgba(124, 58, 237, 0.05);
        }

        .sla-value {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--accent-dns);
        }

        /* Features */
        .section-title {
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 60px;
            position: relative;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--accent-dns), transparent);
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, minmax(260px, 1fr));
            gap: 20px;
            margin-bottom: 100px;
        }

        .feature-card {
            background: var(--bg-secondary);
            padding: 30px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .feature-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent-dns);
            box-shadow: var(--shadow-neon);
        }

        .feature-icon {
            font-size: 2rem;
            margin-bottom: 20px;
            color: var(--accent-dns);
        }

        /* Pricing */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
            margin-bottom: 100px;
        }

        .pricing-card {
            background: linear-gradient(180deg, rgba(124, 58, 237, 0.08) 0%, var(--bg-secondary) 40%);
            border-radius: 14px;
            padding: 32px 28px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            gap: 16px;
            align-items: flex-start;
            min-height: 100%;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
        }

        .pricing-card:hover {
            transform: translateY(-6px);
            border-color: var(--accent-dns);
            box-shadow: 0 18px 40px rgba(124, 58, 237, 0.18);
        }

        .pricing-card h3 {
            font-size: 1.35rem;
            letter-spacing: 0.3px;
        }

        .pricing-card.featured {
            border-color: var(--accent-dns);
            position: relative;
            overflow: hidden;
        }

        .pricing-card.featured::before {
            content: 'Рекомендуем';
            position: absolute;
            top: 18px;
            right: -40px;
            background: var(--accent-dns);
            color: var(--bg-primary);
            padding: 6px 46px;
            transform: rotate(45deg);
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.4px;
        }

        .price {
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--accent-dns);
            line-height: 1.2;
        }

        .price-period {
            font-size: 0.95rem;
            color: var(--text-secondary);
        }

        .pricing-features {
            list-style: none;
            margin: 12px 0 22px;
            width: 100%;
            padding: 0;
            flex: 1;
        }

        .pricing-features li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.98rem;
        }

        .pricing-features li::before {
            content: '✓';
            color: var(--accent-dns);
            font-weight: 700;
            font-size: 0.95rem;
        }

        .btn-payment {
            display: inline-block;
            background: linear-gradient(90deg, var(--accent-dns), #6d28d9);
            color: var(--bg-primary);
            padding: 14px 36px;
            border-radius: 10px;
            text-decoration: none;
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            width: 100%;
            text-align: center;
            margin-top: auto;
        }

        .btn-payment:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 28px rgba(124, 58, 237, 0.25);
        }

        /* Integration */
        .integration-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 100px;
        }

        .integration-card {
            background: var(--bg-secondary);
            padding: 30px;
            border-radius: 12px;
            text-align: center;
            border: 1px solid var(--border-color);
        }

        .integration-logo {
            font-size: 2.5rem;
            margin-bottom: 20px;
        }

        /* Contacts */
        .contacts-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
            margin-bottom: 100px;
        }

        .contact-info h3 {
            color: var(--accent-dns);
            margin-bottom: 20px;
        }

        .contact-details {
            list-style: none;
        }

        .contact-details li {
            padding: 12px 0;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        /* Footer */
        footer {
            background: var(--bg-secondary);
            padding: 60px 0 30px;
            border-top: 1px solid var(--border-color);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

        .legal-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

        .legal-link {
            color: var(--text-secondary);
            text-decoration: none;
            transition: var(--transition);
        }

        .legal-link:hover {
            color: var(--accent-dns);
        }

        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid var(--border-color);
            color: var(--text-secondary);
            font-size: 0.9rem;
        }

        /* DDoS Protection Meter */
        .ddos-meter {
            width: 100%;
            height: 30px;
            background: linear-gradient(90deg, 
                #00ff00 0%, 
                #ffff00 50%, 
                #ff0000 100%);
            border-radius: 15px;
            margin: 20px 0;
            position: relative;
            overflow: hidden;
        }

        .ddos-level {
            position: absolute;
            left: 80%;
            top: 0;
            height: 100%;
            width: 4px;
            background: var(--text-primary);
            transform: translateX(-50%);
        }

        .ddos-label {
            display: flex;
            justify-content: space-between;
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

        /* Modal Windows */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(10, 14, 39, 0.95);
            z-index: 2000;
            overflow-y: auto;
        }

        .modal-content {
            background: var(--bg-secondary);
            max-width: 800px;
            margin: 50px auto;
            padding: 40px;
            border-radius: 12px;
            border: 1px solid var(--accent-dns);
            position: relative;
        }

        .close-modal {
            position: absolute;
            top: 20px;
            right: 20px;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
        }

        .modal-content h2 {
            color: var(--accent-dns);
            margin-bottom: 30px;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .nav-container {
                flex-direction: column;
                gap: 20px;
            }
            
            .hero h1 {
                font-size: 2.5rem;
            }
            
            .section-title {
                font-size: 2rem;
            }
        }