:root {
      --bg: #0b1020;
      --panel: #121933;
      --panel-2: #1a2447;
      --text: #f3f6ff;
      --muted: #b8c2e0;
      --accent: #4f8cff;
      --accent-2: #b4d930;
      --success: #2ecc71;
      --border: rgba(255,255,255,0.08);
      --shadow: 0 10px 30px rgba(0,0,0,0.25);
    }

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

    body {
      font-family: Arial, Helvetica, sans-serif;
      background: linear-gradient(180deg, #0b1020 0%, #11182f 100%);
      color: var(--text);
      line-height: 1.6;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    .container {
      width: min(1100px, 92%);
      margin: 0 auto;
    }

    header {
      border-bottom: 1px solid var(--border);
      background: rgba(11,16,32,0.85);
      -webkit-backdrop-filter: blur(8px);
      backdrop-filter: blur(8px);
      position: sticky;
      top: 0;
      z-index: 10;
    }

    .nav {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 18px 0;
    }

    .brand {
      font-size: 1.2rem;
      font-weight: bold;
      letter-spacing: 0.5px;
    }

    .brand span {
      color: var(--accent-2);
    }

    .nav-links {
      display: flex;
      gap: 24px;
      font-size: 0.95rem;
      color: var(--muted);
    }

    .nav-links a:hover {
      color: var(--text);
    }

    .hero {
      padding: 80px 0 50px;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 30px;
      align-items: center;
    }

    .hero h1 {
      font-size: clamp(2rem, 5vw, 3.5rem);
      line-height: 1.1;
      margin-bottom: 18px;
    }

    .hero p {
      color: var(--muted);
      font-size: 1.05rem;
      max-width: 700px;
      margin-bottom: 28px;
    }

    .btn-row {
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
    }

    .btn {
      display: inline-block;
      padding: 12px 18px;
      border-radius: 10px;
      font-weight: 600;
      border: 1px solid transparent;
      transition: 0.2s ease;
    }

    .btn-primary {
      background: var(--accent);
      color: white;
    }

    .btn-primary:hover {
      background: #3d79ea;
    }

    .btn-secondary {
      background: transparent;
      border-color: var(--border);
      color: var(--text);
    }

    .btn-secondary:hover {
      background: rgba(255,255,255,0.05);
    }

    .card {
      background: linear-gradient(180deg, var(--panel) 0%, var(--panel-2) 100%);
      border: 1px solid var(--border);
      border-radius: 18px;
      padding: 24px;
      box-shadow: var(--shadow);
    }

    .hero-card h3 {
      margin-bottom: 12px;
      font-size: 1.2rem;
    }

    .hero-card p {
      color: var(--muted);
      margin-bottom: 18px;
    }

    .status-pill {
      display: inline-block;
      padding: 8px 12px;
      border-radius: 999px;
      background: rgba(46, 204, 113, 0.15);
      color: #aaf0c4;
      border: 1px solid rgba(46, 204, 113, 0.3);
      font-size: 0.9rem;
      font-weight: 600;
    }

    section {
      padding: 28px 0 40px;
    }

    .section-title {
      font-size: 1.6rem;
      margin-bottom: 12px;
    }

    .section-subtitle {
      color: var(--muted);
      margin-bottom: 24px;
    }

    .features {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .feature h3 {
      margin-bottom: 10px;
      font-size: 1.05rem;
    }

    .feature p {
      color: var(--muted);
      font-size: 0.96rem;
    }

    .status-section {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }

    .code-block {
      background: rgba(0,0,0,0.25);
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 14px;
      font-family: "Courier New", monospace;
      font-size: 0.92rem;
      overflow-x: auto;
      color: #dce7ff;
      margin-top: 14px;
    }

    .health-result {
      margin-top: 16px;
      padding: 12px 14px;
      border-radius: 12px;
      background: rgba(255,255,255,0.04);
      border: 1px solid var(--border);
      color: var(--muted);
      min-height: 48px;
    }

    footer {
      border-top: 1px solid var(--border);
      margin-top: 30px;
      padding: 24px 0 40px;
      color: var(--muted);
      font-size: 0.92rem;
    }

    @media (max-width: 900px) {
      .hero-grid,
      .features,
      .status-section {
        grid-template-columns: 1fr;
      }

      .nav {
        flex-direction: column;
        gap: 12px;
      }

      .nav-links {
        flex-wrap: wrap;
        justify-content: center;
      }
    }