:root {
      --bg-deep: #0A0E1A;
      --bg-surface: #0D1117;
      --bg-card: #151B2B;
      --bg-card-hover: #1A2235;
      --border: #1E293B;
      --border-bright: #334155;
      --green: #19E6A7;
      --green-dim: rgba(25, 230, 167, 0.15);
      --purple: #B56DFF;
      --purple-dim: rgba(181, 109, 255, 0.15);
      --yellow: #F5B84B;
      --yellow-dim: rgba(245, 184, 75, 0.15);
      --red: #FF647C;
      --red-dim: rgba(255, 100, 124, 0.15);
      --blue: #4F8BFF;
      --blue-dim: rgba(79, 139, 255, 0.15);
      --fg-primary: #F1F5F9;
      --fg-secondary: #94A3B8;
      --fg-muted: #64748B;
      --font-display: 'Inter', -apple-system, system-ui, sans-serif;
      --font-body: 'Inter', -apple-system, system-ui, sans-serif;
      --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', monospace;
      --container: 1280px;
      --section-spacing: clamp(80px, 10vw, 140px);
    }
    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html { scroll-behavior: smooth; }
    body {
      font-family: var(--font-body);
      background: var(--bg-deep);
      color: var(--fg-primary);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }
    .container {
      max-width: var(--container);
      margin: 0 auto;
      padding: 0 24px;
    }
    .mono { font-family: var(--font-mono); }
    .text-green { color: var(--green); }
    .text-purple { color: var(--purple); }
    .text-yellow { color: var(--yellow); }
    .text-red { color: var(--red); }
    .text-blue { color: var(--blue); }
    .text-muted { color: var(--fg-secondary); }

    /* Navigation */
    .nav {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      background: rgba(10, 14, 26, 0.9);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border);
    }
    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 64px;
    }
    .nav-logo {
      font-size: 20px;
      font-weight: 700;
      color: var(--fg-primary);
      text-decoration: none;
    }
    .nav-links {
      display: flex;
      gap: 32px;
      align-items: center;
    }
    .nav-link {
      color: var(--fg-secondary);
      text-decoration: none;
      font-size: 14px;
      font-weight: 500;
      transition: color 0.2s;
    }
    .nav-link:hover { color: var(--fg-primary); }
    .nav-cta {
      background: var(--green);
      color: var(--bg-deep);
      padding: 10px 20px;
      border-radius: 6px;
      font-size: 14px;
      font-weight: 600;
      text-decoration: none;
      transition: transform 0.2s, box-shadow 0.2s;
    }
    .nav-cta:hover {
      transform: translateY(-1px);
      box-shadow: 0 4px 12px var(--green-dim);
    }

    /* Hero */
    .hero {
      padding-top: 140px;
      padding-bottom: var(--section-spacing);
    }
    .hero-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 60px;
      align-items: center;
    }
    .hero-content h1 {
      font-size: clamp(36px, 5vw, 56px);
      font-weight: 700;
      line-height: 1.1;
      margin-bottom: 24px;
    }
    .hero-content h2 {
      font-size: clamp(20px, 3vw, 28px);
      font-weight: 500;
      color: var(--fg-secondary);
      margin-bottom: 24px;
    }
    .hero-content p {
      font-size: 17px;
      color: var(--fg-secondary);
      margin-bottom: 32px;
      max-width: 520px;
    }
    .hero-badges {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      margin-bottom: 32px;
    }
    .badge {
      background: var(--bg-card);
      border: 1px solid var(--border);
      padding: 6px 12px;
      border-radius: 4px;
      font-size: 12px;
      color: var(--fg-secondary);
      font-weight: 500;
    }

    /* Deployment Diagram */
    .deployment-diagram {
      background: var(--bg-surface);
      border: 1px solid var(--border);
      border-radius: 12px;
      overflow: hidden;
      box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4);
    }
    .diagram-header {
      background: var(--bg-card);
      padding: 16px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid var(--border);
    }
    .diagram-title {
      font-size: 15px;
      font-weight: 600;
    }
    .diagram-badge {
      background: var(--green-dim);
      color: var(--green);
      padding: 4px 10px;
      border-radius: 4px;
      font-size: 11px;
      font-weight: 600;
    }
    .diagram-body {
      padding: 32px;
    }
    .deployment-zone {
      display: flex;
      gap: 24px;
      margin-bottom: 24px;
    }
    .deployment-zone:last-child {
      margin-bottom: 0;
    }
    .zone-label {
      width: 120px;
      flex-shrink: 0;
      font-size: 12px;
      color: var(--fg-muted);
      text-transform: uppercase;
      letter-spacing: 1px;
      padding-top: 8px;
    }
    .zone-components {
      flex: 1;
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }
    .component {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 16px 20px;
      font-size: 13px;
      font-weight: 500;
      transition: border-color 0.3s;
    }
    .component:hover {
      border-color: var(--border-bright);
    }
    .component.private {
      border-color: var(--green);
      background: var(--green-dim);
    }
    .component.control {
      border-color: var(--yellow);
      background: var(--yellow-dim);
    }
    .component.cloud {
      border-color: var(--blue);
      background: var(--blue-dim);
    }

    /* Sections */
    .section {
      padding: var(--section-spacing) 0;
    }
    .section-label {
      font-family: var(--font-mono);
      font-size: 12px;
      color: var(--green);
      text-transform: uppercase;
      letter-spacing: 2px;
      margin-bottom: 16px;
    }
    .section-title {
      font-size: clamp(28px, 4vw, 42px);
      font-weight: 700;
      margin-bottom: 20px;
    }
    .section-subtitle {
      font-size: 18px;
      color: var(--fg-secondary);
      max-width: 700px;
      margin-bottom: 48px;
    }

    /* Cards */
    .cards-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 28px;
      transition: border-color 0.3s, background 0.3s;
    }
    .card:hover {
      border-color: var(--border-bright);
      background: var(--bg-card-hover);
    }
    .card-icon {
      width: 48px;
      height: 48px;
      background: var(--bg-surface);
      border: 1px solid var(--border);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      margin-bottom: 20px;
    }
    .card-title {
      font-size: 18px;
      font-weight: 600;
      margin-bottom: 12px;
    }
    .card-desc {
      font-size: 15px;
      color: var(--fg-secondary);
      line-height: 1.7;
    }

    /* Industries */
    .industry-list {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      margin-top: 48px;
    }
    .industry-item {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 10px;
      padding: 20px 24px;
      display: flex;
      align-items: center;
      gap: 16px;
      transition: border-color 0.3s;
    }
    .industry-item:hover {
      border-color: var(--border-bright);
    }
    .industry-icon {
      font-size: 28px;
    }
    .industry-name {
      font-size: 15px;
      font-weight: 600;
    }
    .industry-desc {
      font-size: 12px;
      color: var(--fg-muted);
      margin-top: 2px;
    }

    /* Compliance */
    .compliance-badges {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-top: 48px;
    }
    .compliance-badge {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 10px;
      padding: 20px 28px;
      text-align: center;
    }
    .compliance-icon {
      font-size: 24px;
      margin-bottom: 8px;
    }
    .compliance-name {
      font-size: 14px;
      font-weight: 600;
    }
    .compliance-desc {
      font-size: 11px;
      color: var(--fg-muted);
      margin-top: 4px;
    }

    /* CTA */
    .cta-section {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 64px;
      text-align: center;
    }
    .cta-title {
      font-size: clamp(24px, 4vw, 36px);
      font-weight: 700;
      margin-bottom: 16px;
    }
    .cta-desc {
      font-size: 17px;
      color: var(--fg-secondary);
      margin-bottom: 32px;
    }
    .cta-buttons {
      display: flex;
      gap: 16px;
      justify-content: center;
    }
    .btn-primary {
      background: var(--green);
      color: var(--bg-deep);
      padding: 14px 28px;
      border-radius: 8px;
      font-size: 15px;
      font-weight: 600;
      text-decoration: none;
      transition: transform 0.2s, box-shadow 0.2s;
    }
    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px var(--green-dim);
    }
    .btn-secondary {
      background: transparent;
      color: var(--fg-primary);
      padding: 14px 28px;
      border-radius: 8px;
      font-size: 15px;
      font-weight: 500;
      text-decoration: none;
      border: 1px solid var(--border);
      transition: border-color 0.2s, background 0.2s;
    }
    .btn-secondary:hover {
      border-color: var(--border-bright);
      background: var(--bg-card);
    }

    /* Footer */
    .footer {
      border-top: 1px solid var(--border);
      padding: 48px 0;
      margin-top: var(--section-spacing);
    }
    .footer-content {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .footer-logo {
      font-size: 18px;
      font-weight: 700;
    }
    .footer-links {
      display: flex;
      gap: 32px;
    }
    .footer-link {
      color: var(--fg-secondary);
      text-decoration: none;
      font-size: 14px;
    }
    .footer-link:hover { color: var(--fg-primary); }
    .footer-copy {
      font-size: 13px;
      color: var(--fg-muted);
      margin-top: 24px;
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .hero-layout {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .cards-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .industry-list {
        grid-template-columns: 1fr;
      }
      .deployment-zone {
        flex-direction: column;
        gap: 12px;
      }
      .zone-label {
        width: 100%;
      }
    }
    @media (max-width: 640px) {
      .nav-links { display: none; }
      .cards-grid {
        grid-template-columns: 1fr;
      }
      .hero {
        padding-top: 100px;
      }
      .cta-section {
        padding: 40px 24px;
      }
      .cta-buttons {
        flex-direction: column;
      }
    }