:root {
            --primary-blue: #3aa9ff;
            --primary-blue-dark: #1e7ed6;
            --primary-blue-light: #6bc3ff;
            --secondary-blue: #0f6bbd;
            --accent-blue: #9bd6ff;
            --bg: #000;
            --surface: #0a0a0a;
            --surface-light: #111;
            --surface-hover: #1a1a1a;
            --text-primary: #fff;
            --text-secondary: #e0e0e0;
            --text-muted: #888;
            --border-color: #333;
            --border-accent: rgba(58, 169, 255, 0.3);
            --font-primary: 'JetBrains Mono', monospace;
            --font-secondary: 'Inter', sans-serif;
            --max-width: 1400px;
            --section-pad: 80px 0;
            --card-pad: 2rem;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
            --glow: 0 0 15px rgba(58, 169, 255, 0.25);
        }

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

        *:focus-visible {
            outline: 2px solid var(--primary-blue);
            outline-offset: 2px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            overflow-x: hidden;
            scroll-padding-top: 0;
        }

        body {
            font-family: var(--font-secondary);
            background: var(--bg);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
            width: 100%;
        }

        a {
            color: var(--primary-blue);
            text-decoration: none;
        }

        a:hover {
            color: var(--primary-blue-light);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        strong {
            color: var(--primary-blue-light);
        }

        /* === SKIP TO CONTENT === */
        .skip-to-content {
            position: absolute;
            left: -9999px;
            top: auto;
            width: 1px;
            height: 1px;
            overflow: hidden;
            z-index: 99999;
        }

        .skip-to-content:focus {
            position: fixed !important;
            left: 1rem !important;
            top: 1rem !important;
            width: auto !important;
            height: auto !important;
            overflow: visible !important;
            padding: 0.75rem 1.5rem;
            background: var(--primary-blue);
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            border-radius: 4px;
            z-index: 100000 !important;
        }

        /* === NAV === */
        .nav-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 998;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s;
        }

        .nav-overlay.active {
            opacity: 1;
            visibility: visible;
        }

        .cyber-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(0, 0, 0, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-accent);
            padding: 0 1.5rem;
        }

        .nav-wrapper {
            max-width: var(--max-width);
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }

        .nav-brand {
            display: flex;
            align-items: center;
        }

        .nav-logo-link {
            display: flex;
            align-items: center;
            text-decoration: none;
        }

        .nav-logo-placeholder {
            display: flex;
            align-items: center;
        }

        .nav-logo {
            height: 40px;
            width: auto;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .nav-item {
            font-family: var(--font-primary);
            font-size: 0.85rem;
            color: var(--text-secondary);
            padding: 0.5rem 1rem;
            border-radius: var(--radius-sm);
            letter-spacing: 0.05em;
            text-transform: uppercase;
            transition: color 0.2s, background 0.2s;
        }

        .nav-item:hover,
        .nav-item.active {
            color: var(--primary-blue);
            background: rgba(58, 169, 255, 0.1);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .theme-toggle {
            background: transparent;
            border: 1px solid var(--border-color);
            color: var(--text-primary);
            padding: 0.5rem;
            border-radius: var(--radius-sm);
            cursor: pointer;
            font-size: 1.1rem;
        }

        .theme-toggle:hover {
            border-color: var(--primary-blue);
        }

        .theme-icon {
            display: block;
            line-height: 1;
        }

        .mobile-theme-container {
            display: none;
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 0.5rem;
            flex-direction: column;
            gap: 5px;
        }

        .toggle-line {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: transform 0.3s;
        }


        /* === LAYOUT === */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 2rem;
        }

        .content-text {
            max-width: 900px;
            margin: 0 auto 3rem;
            padding: 2rem 2.5rem;
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius);
            text-align: left;
        }

        .content-text p {
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 1.5rem;
            font-size: 0.95rem;
            text-indent: 1.5rem;
        }

        .content-text p:first-child {
            text-indent: 0;
        }

        .content-text p:last-child {
            margin-bottom: 0;
        }


        /* === HERO === */
        .matrix-hero {
            min-height: auto;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: flex-start;
            padding: 100px 2rem 40px;
            position: relative;
        }

        .matrix-bg {
            position: absolute;
            inset: 0;
            overflow: hidden;
            z-index: 0;
        }

        .digital-rain,
        .neural-network,
        .cyber-grid {
            position: absolute;
            inset: 0;
        }

        .matrix-content {
            position: relative;
            z-index: 1;
            width: 100%;
            max-width: var(--max-width);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .hero-brand-container {
            text-align: left;
        }

        .hero-main-title {
            font-family: var(--font-primary);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }

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

        .hero-brand-container>.section-subtitle {
            text-align: left;
            max-width: 100%;
            margin: 0 0 1.5rem;
            font-size: 0.9rem;
            line-height: 1.7;
        }

        .brand-photo-placeholder {
            margin: 0 0 1.5rem;
            max-width: 100%;
        }

        .brand-image {
            width: 100%;
            border-radius: var(--radius);
        }

        .brand-tagline {
            display: flex;
            align-items: center;
            justify-content: flex-start;
            gap: 0.75rem;
            margin: 1rem 0;
            font-family: var(--font-primary);
            font-size: 0.8rem;
            color: var(--text-muted);
            letter-spacing: 0.3em;
            text-transform: uppercase;
        }

        .tagline-word {
            color: var(--primary-blue);
        }

        .tagline-separator {
            color: var(--text-muted);
        }

        .brand-stats {
            display: flex;
            justify-content: flex-start;
            gap: 1rem;
            margin: 1.5rem 0;
            flex-wrap: wrap;
        }

        .stat-box {
            background: var(--surface);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 0.75rem 1rem;
            text-align: center;
            min-width: 100px;
        }

        .stat-icon {
            font-size: 1.2rem;
            margin-bottom: 0.15rem;
        }

        .stat-number {
            font-family: var(--font-primary);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary-blue);
        }

        .stat-label {
            font-size: 0.65rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.1em;
            margin-top: 0.15rem;
        }

        .brand-features {
            display: flex;
            justify-content: flex-start;
            gap: 0.5rem;
            flex-wrap: wrap;
            margin: 1rem 0;
        }

        .feature-tag {
            font-family: var(--font-primary);
            font-size: 0.7rem;
            color: var(--primary-blue);
            background: rgba(58, 169, 255, 0.1);
            border: 1px solid var(--border-accent);
            padding: 0.3rem 0.75rem;
            border-radius: 20px;
            letter-spacing: 0.05em;
        }

        .hero-actions {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1.5rem;
        }

        .hero-photo-placeholder {
            max-width: 100%;
            width: 100%;
        }

        .hero-photo {
            width: 100%;
            border-radius: var(--radius);
            border: 1px solid var(--border-color);
        }

        .scroll-indicator {
            margin-top: 2rem;
            text-align: center;
            grid-column: 1 / -1;
        }

        .scroll-text {
            font-family: var(--font-primary);
            font-size: 0.7rem;
            color: var(--text-muted);
            letter-spacing: 0.2em;
            margin-bottom: 0.5rem;
        }

        .scroll-arrow {
            font-size: 1.5rem;
            color: var(--primary-blue);
            animation: scrollBounce 2s infinite;
        }

        @keyframes scrollBounce {

            0%,
            100% {
                transform: translateY(0)
            }

            50% {
                transform: translateY(8px)
            }
        }


        .hero-onion-link {
            width: 100%;
            text-align: center;
            margin-top: 1rem;
        }

        .hero-onion-label {
            font-family: var(--font-primary);
            font-size: 0.75rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.1em;
            display: block;
            margin-bottom: 0.5rem;
        }

        .hero-onion-url-box {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.75rem;
            background: rgba(58, 169, 255, 0.06);
            border: 1px solid var(--border-accent);
            border-radius: var(--radius-sm);
            padding: 0.75rem 1.25rem;
            max-width: 100%;
        }

        .hero-onion-url {
            font-family: var(--font-primary);
            font-size: 0.85rem;
            color: var(--primary-blue);
            word-break: break-all;
            background: none;
        }

        /* === BUTTONS === */
        .cyber-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-family: var(--font-primary);
            font-size: 0.9rem;
            font-weight: 700;
            padding: 0.9rem 2rem;
            border-radius: var(--radius-sm);
            border: 1px solid var(--primary-blue);
            cursor: pointer;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            transition: background 0.2s, color 0.2s;
        }

        .cyber-btn.primary {
            background: var(--primary-blue);
            color: #000;
        }

        .cyber-btn.primary:hover {
            background: var(--primary-blue-light);
        }

        .cyber-btn.secondary {
            background: transparent;
            color: var(--primary-blue);
        }

        .cyber-btn.secondary:hover {
            background: rgba(58, 169, 255, 0.1);
        }

        .btn-icon {
            font-size: 1.1rem;
        }

        .btn-text {
            font-size: inherit;
            font-weight: inherit;
        }

        .btn-glow {
            display: none;
        }

        /* === SECTIONS === */
        section {
            padding: var(--section-pad);
        }

        .section-header,
        .support-header,
        .protocol-header {
            text-align: center;
            margin-bottom: 3rem;
        }

        .section-title {
            font-family: var(--font-primary);
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 1rem;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.25rem;
        }

        .title-prefix {
            font-size: 0.8rem;
            color: var(--primary-blue);
            letter-spacing: 0.2em;
            text-transform: uppercase;
        }

        .title-main {
            color: var(--text-primary);
        }

        .section-subtitle {
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
            font-size: 0.95rem;
        }

        /* === VAULT / LINKS === */
        .vault-section {
            background: var(--surface);
            scroll-margin-top: -40px;
        }

        .vault-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .vault-item {
            background: var(--bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: var(--card-pad);
            transition: border-color 0.2s;
        }

        .vault-item:hover {
            border-color: var(--primary-blue);
        }

        .vault-icon {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-bottom: 1rem;
        }

        .icon-bg {
            display: none;
        }

        .icon-symbol {
            font-size: 2rem;
        }

        .vault-content {
            flex: 1;
        }

        .vault-title {
            font-family: var(--font-primary);
            font-size: 1.1rem;
            color: var(--primary-blue);
            margin-bottom: 0.5rem;
        }

        .vault-description {
            color: var(--text-muted);
            font-size: 0.85rem;
            margin-bottom: 1rem;
        }

        .onion-link-box {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--surface);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 0.5rem 0.75rem;
            margin-bottom: 1rem;
        }

        .onion-url {
            font-family: var(--font-primary);
            font-size: 0.8rem;
            color: var(--primary-blue);
            flex: 1;
            word-break: break-all;
        }

        .copy-btn {
            font-family: var(--font-primary);
            font-size: 0.75rem;
            background: rgba(58, 169, 255, 0.1);
            border: 1px solid var(--border-accent);
            color: var(--primary-blue);
            padding: 0.3rem 0.7rem;
            border-radius: 4px;
            cursor: pointer;
            white-space: nowrap;
            transition: background 0.2s;
        }

        .copy-btn:hover {
            background: rgba(58, 169, 255, 0.2);
        }

        .vault-stats {
            display: flex;
            gap: 1.5rem;
            margin-bottom: 1rem;
        }

        .stat {
            display: flex;
            flex-direction: column;
            gap: 0.15rem;
        }

        .stat-value {
            font-family: var(--font-primary);
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--primary-blue);
        }

        /* === MARKETPLACE / FEATURES === */
        .terminal-section {
            background: var(--bg);
        }

        .marketplace-features {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
        }

        .feature-card {
            background: var(--surface);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: var(--card-pad);
            transition: border-color 0.2s;
        }

        .feature-card:hover {
            border-color: var(--primary-blue);
        }

        .feature-icon {
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }

        .feature-title {
            font-family: var(--font-primary);
            font-size: 1rem;
            color: var(--primary-blue);
            margin-bottom: 0.5rem;
        }

        .feature-description {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-bottom: 1rem;
            line-height: 1.6;
        }

        .feature-stats {
            display: flex;
            gap: 1.5rem;
        }

        .stat-item {
            display: flex;
            flex-direction: column;
        }

        /* === PROTOCOL / ABOUT === */
        .protocol-section {
            background: var(--surface);
        }

        .protocol-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .protocol-card {
            background: var(--bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: var(--card-pad);
            transition: border-color 0.2s;
        }

        .protocol-card:hover {
            border-color: var(--primary-blue);
        }

        .card-header {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-bottom: 1rem;
        }

        .card-icon {
            font-size: 1.8rem;
        }

        .card-title {
            font-family: var(--font-primary);
            font-size: 0.95rem;
            color: var(--primary-blue);
        }

        .card-status {
            font-family: var(--font-primary);
            font-size: 0.7rem;
            color: var(--text-muted);
            margin-left: auto;
        }

        .card-content {
            flex: 1;
        }

        .card-description {
            color: var(--text-secondary);
            font-size: 0.85rem;
            line-height: 1.6;
            margin-bottom: 1rem;
        }

        .protocol-info {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .info-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0.35rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .info-label {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .info-value {
            font-family: var(--font-primary);
            font-size: 0.8rem;
            color: var(--primary-blue);
        }

        .security-level {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .protocol-warning {
            margin-top: 2rem;
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            padding: 1.5rem;
            background: rgba(58, 169, 255, 0.05);
            border: 1px solid var(--border-accent);
            border-radius: var(--radius);
        }

        .warning-icon {
            font-size: 2rem;
            flex-shrink: 0;
        }

        .warning-content h4 {
            font-family: var(--font-primary);
            color: var(--primary-blue);
            margin-bottom: 0.5rem;
            font-size: 0.9rem;
        }

        .warning-content p {
            color: var(--text-secondary);
            font-size: 0.85rem;
            line-height: 1.6;
        }

        /* === FAQ === */
        .support-section {
            background: var(--bg);
        }

        .faq-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
        }

        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: var(--card-pad);
            transition: border-color 0.2s;
        }

        .faq-item:hover {
            border-color: var(--primary-blue);
        }

        .faq-icon {
            font-size: 1.8rem;
            margin-bottom: 0.75rem;
        }

        .faq-question {
            font-family: var(--font-primary);
            font-size: 0.95rem;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }

        .faq-answer {
            color: var(--text-secondary);
            font-size: 0.85rem;
            line-height: 1.7;
        }

        /* === FOOTER === */
        .cyber-footer {
            background: var(--surface);
            border-top: 1px solid var(--border-accent);
            padding: 4rem 0 2rem;
        }

        .footer-content {
            display: grid;
            grid-template-columns: 1fr 3fr;
            gap: 3rem;
            margin-bottom: 3rem;
        }

        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .footer-logo-link {
            display: inline-block;
        }

        .footer-logo-placeholder {
            display: flex;
            align-items: center;
        }

        .footer-logo {
            height: 40px;
            width: auto;
        }

        .footer-info {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .footer-links {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
        }

        .link-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .group-title {
            font-family: var(--font-primary);
            font-size: 0.75rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.1em;
            margin-bottom: 0.5rem;
        }

        .footer-link {
            font-size: 0.85rem;
            color: var(--text-secondary);
            transition: color 0.2s;
        }

        .footer-link:hover {
            color: var(--primary-blue);
        }

        .social-links {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .social-link {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--text-secondary);
            font-size: 0.85rem;
            transition: color 0.2s;
        }

        .social-link:hover {
            color: var(--primary-blue);
        }

        .social-icon {
            font-size: 1.1rem;
        }

        .social-text {
            font-size: inherit;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 2rem;
            border-top: 1px solid var(--border-color);
        }

        .footer-copyright {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .footer-legal-text {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .footer-status {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .status-indicator {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #00ff88;
            display: inline-block;
        }

        .status-text {
            font-family: var(--font-primary);
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* === SCROLL TO TOP === */
        .scroll-to-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            z-index: 100;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary-blue);
            color: #000;
            border: none;
            font-size: 1.2rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s;
        }

        .scroll-to-top.visible {
            opacity: 1;
            visibility: visible;
        }

        .scroll-to-top {
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
        }

        .scroll-arrow-icon {
            line-height: 1;
        }

        /* === SECURITY WARNING POPUP === */

        .warning-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 0.75rem;
        }

        .warning-title {
            font-family: var(--font-primary);
            font-size: 0.85rem;
            color: var(--primary-blue);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .warning-close {
            background: transparent;
            border: none;
            color: var(--text-muted);
            cursor: pointer;
            font-size: 1.2rem;
            padding: 0.25rem;
        }

        .warning-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 0.75rem;
            padding-top: 0.75rem;
            border-top: 1px solid var(--border-color);
        }

        /* === LIGHT THEME === */
        [data-theme="light"] {
            --bg: #f0f2f5;
            --surface: #ffffff;
            --surface-light: #f8f9fa;
            --surface-hover: #e9ecef;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-muted: #6c757d;
            --border-color: #d0d5dd;
            --border-accent: rgba(30, 126, 214, 0.35);
            --primary-blue: #1e7ed6;
            --primary-blue-dark: #155fa0;
            --primary-blue-light: #3a99f0;
        }

        [data-theme="light"] body {
            background: var(--bg);
        }

        [data-theme="light"] .cyber-nav {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            border-bottom-color: var(--border-color);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
        }

        [data-theme="light"] .nav-item {
            color: var(--text-secondary);
        }

        [data-theme="light"] .nav-item:hover,
        [data-theme="light"] .nav-item.active {
            color: var(--primary-blue);
            background: rgba(30, 126, 214, 0.08);
        }

        [data-theme="light"] .toggle-line {
            background: var(--text-primary);
        }

        [data-theme="light"] .matrix-hero {
            background: linear-gradient(180deg, #e8eef5 0%, var(--bg) 100%);
        }

        [data-theme="light"] .hero-main-title {
            background: linear-gradient(135deg, #1a1a2e 0%, #1e7ed6 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        [data-theme="light"] .content-text {
            background: rgba(255, 255, 255, 0.7);
            border-color: var(--border-color);
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
        }

        [data-theme="light"] .vault-section {
            background: #e8ecf1;
        }

        [data-theme="light"] .vault-item,
        [data-theme="light"] .feature-card,
        [data-theme="light"] .protocol-card,
        [data-theme="light"] .faq-item {
            background: var(--surface);
            border-color: var(--border-color);
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
        }

        [data-theme="light"] .vault-item:hover,
        [data-theme="light"] .feature-card:hover,
        [data-theme="light"] .protocol-card:hover,
        [data-theme="light"] .faq-item:hover {
            box-shadow: 0 4px 12px rgba(30, 126, 214, 0.12);
        }

        [data-theme="light"] .stat-box {
            background: var(--surface);
            border-color: var(--border-color);
            box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
        }

        [data-theme="light"] .onion-link-box {
            background: #f0f4f8;
            border-color: var(--border-color);
        }

        [data-theme="light"] .onion-url {
            color: var(--primary-blue);
        }

        [data-theme="light"] .hero-onion-url-box {
            background: rgba(30, 126, 214, 0.06);
            border-color: rgba(30, 126, 214, 0.25);
        }

        [data-theme="light"] .copy-btn {
            background: rgba(30, 126, 214, 0.08);
            border-color: rgba(30, 126, 214, 0.25);
            color: var(--primary-blue);
        }

        [data-theme="light"] .cyber-btn.primary {
            background: var(--primary-blue);
            color: #fff;
        }

        [data-theme="light"] .cyber-btn.secondary {
            border-color: var(--primary-blue);
            color: var(--primary-blue);
        }

        [data-theme="light"] .protocol-section {
            background: #e8ecf1;
        }

        [data-theme="light"] .protocol-card {
            background: var(--surface);
        }

        [data-theme="light"] .protocol-warning {
            background: rgba(30, 126, 214, 0.04);
            border-color: rgba(30, 126, 214, 0.2);
        }

        [data-theme="light"] .info-item {
            border-bottom-color: rgba(0, 0, 0, 0.06);
        }

        [data-theme="light"] .feature-tag {
            background: rgba(30, 126, 214, 0.06);
            border-color: rgba(30, 126, 214, 0.2);
            color: var(--primary-blue);
        }

        [data-theme="light"] .cyber-footer {
            background: #e0e4e9;
            border-top-color: var(--border-color);
        }

        [data-theme="light"] .scroll-to-top {
            background: var(--primary-blue);
            color: #fff;
        }

        [data-theme="light"] .section-title::after {
            background: var(--primary-blue);
        }

        [data-theme="light"] .brand-image {
            border-color: var(--border-color);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
        }

        [data-theme="light"] .hero-photo {
            border-color: var(--border-color);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
        }

        [data-theme="light"] strong {
            color: var(--primary-blue);
        }

        /* === RESPONSIVE 768px === */
        @media (max-width: 768px) {
            .nav-menu {
                position: fixed;
                top: 70px;
                left: 0;
                right: 0;
                background: rgba(0, 0, 0, 0.95);
                flex-direction: column;
                padding: 1rem;
                gap: 0;
                transform: translateY(-100%);
                opacity: 0;
                visibility: hidden;
                transition: transform 0.3s, opacity 0.3s;
            }

            .nav-menu.active {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }

            .nav-toggle {
                display: flex;
            }

            .mobile-theme-container {
                display: block;
                padding: 0.5rem 0;
            }

            .theme-toggle:not(.mobile-only) {
                display: none;
            }

            .matrix-content {
                grid-template-columns: 1fr;
                text-align: center;
            }

            .hero-brand-container {
                text-align: center;
            }

            .hero-brand-container>.section-subtitle {
                text-align: center;
            }

            .brand-tagline {
                justify-content: center;
            }

            .brand-stats {
                justify-content: center;
            }

            .brand-features {
                justify-content: center;
            }

            .hero-main-title {
                font-size: 1.8rem;
            }

            .vault-grid {
                grid-template-columns: 1fr;
            }

            .marketplace-features {
                grid-template-columns: 1fr;
            }

            .protocol-grid {
                grid-template-columns: 1fr;
            }

            .faq-grid {
                grid-template-columns: 1fr;
            }

            .footer-content {
                grid-template-columns: 1fr;
            }

            .footer-links {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-bottom {
                flex-direction: column;
                gap: 1rem;
                text-align: center;
            }

            .brand-stats {
                gap: 1rem;
            }

            .section-title {
                font-size: 1.4rem;
            }
        }

        /* === RESPONSIVE 480px === */
        @media (max-width: 480px) {
            :root {
                --section-pad: 50px 0;
                --card-pad: 1.25rem;
            }

            .matrix-hero {
                padding: 100px 1rem 40px;
            }

            .hero-main-title {
                font-size: 1.4rem;
            }

            .container {
                padding: 0 1rem;
            }

            .brand-stats {
                flex-direction: column;
                align-items: center;
            }

            .stat-box {
                width: 100%;
                max-width: 200px;
            }

            .brand-features {
                flex-direction: column;
                align-items: center;
            }

            .footer-links {
                grid-template-columns: 1fr;
            }

            .vault-stats {
                flex-direction: column;
                gap: 0.5rem;
            }

            .copy-btn {
                font-size: 0.7rem;
            }
        }

        /* === ACCESSIBILITY === */
        @media (prefers-reduced-motion: reduce) {

            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }

            .scroll-arrow {
                animation: none;
            }
        }

        @media (prefers-contrast: high) {
            :root {
                --border-color: #666;
                --text-muted: #aaa;
                --surface: #111;
            }
        }

        /* === VISUAL POLISH === */
        body {
            background: linear-gradient(180deg, #000 0%, #050510 50%, #000 100%);
        }

        .matrix-hero {
            background: radial-gradient(ellipse at center, rgba(58, 169, 255, 0.05) 0%, transparent 70%);
        }

        .matrix-bg {
            background: radial-gradient(circle at 50% 50%, rgba(58, 169, 255, 0.03) 0%, transparent 50%);
        }

        .hero-main-title {
            background: linear-gradient(135deg, #fff 0%, #3aa9ff 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .vault-item,
        .feature-card,
        .protocol-card,
        .faq-item {
            background: linear-gradient(135deg, rgba(10, 10, 10, 0.9) 0%, rgba(20, 20, 30, 0.8) 100%);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
        }

        .vault-item:hover,
        .feature-card:hover,
        .protocol-card:hover,
        .faq-item:hover {
            box-shadow: 0 4px 20px rgba(58, 169, 255, 0.15);
            transform: translateY(-2px);
        }

        .vault-section,
        .protocol-section {
            background: linear-gradient(180deg, rgba(5, 5, 15, 0.9) 0%, var(--surface) 50%, rgba(5, 5, 15, 0.9) 100%);
        }

        .cyber-nav {
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
        }

        .section-title {
            position: relative;
            padding-bottom: 1rem;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 2px;
            background: var(--primary-blue);
        }

        .cyber-btn.primary {
            box-shadow: 0 2px 10px rgba(58, 169, 255, 0.3);
        }

        .cyber-btn.primary:hover {
            box-shadow: 0 4px 16px rgba(58, 169, 255, 0.4);
            transform: translateY(-1px);
        }

        .copy-btn:hover {
            transform: scale(1.02);
        }

        .stat-box {
            background: linear-gradient(135deg, rgba(10, 10, 10, 0.9) 0%, rgba(20, 20, 30, 0.8) 100%);
            border-color: rgba(58, 169, 255, 0.2);
        }

        .feature-tag {
            transition: background 0.2s;
        }

        .feature-tag:hover {
            background: rgba(58, 169, 255, 0.2);
        }

        .footer-link:hover {
            transform: translateX(3px);
        }

        .brand-image {
            border: 2px solid rgba(58, 169, 255, 0.2);
            border-radius: var(--radius);
            box-shadow: 0 4px 30px rgba(58, 169, 255, 0.1);
        }

        .hero-photo {
            box-shadow: 0 4px 30px rgba(58, 169, 255, 0.1);
        }

        .onion-url {
            background: rgba(58, 169, 255, 0.05);
            padding: 0.25rem 0.5rem;
            border-radius: 4px;
        }

        .card-icon {
            font-size: 2rem;
        }

        .feature-icon {
            filter: saturate(1.2);
        }

        .faq-icon {
            font-size: 2rem;
        }

        .scroll-to-top:hover {
            transform: translateY(-3px);
            box-shadow: 0 4px 16px rgba(58, 169, 255, 0.4);
        }

        .protocol-warning {
            background: linear-gradient(135deg, rgba(58, 169, 255, 0.05) 0%, rgba(10, 10, 10, 0.9) 100%);
        }

        /* Closing section */
        .support-section+section {
            padding: 60px 0;
        }