:root {
      --bg: #f7f6f4;
      --nav-bg: #0f1720;
      --nav-accent: #2ea3d6;
      --muted: #6b7280;
      --text: #0b1220;
      --max-width: 1200px;
    }

    body {
      margin: 0;
      font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
      background: var(--bg);
      color: var(--text);
    }

    header {
      background: var(--nav-bg);
      color: #fff;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 1rem 2rem;
      position: sticky;
      top: 0;
      z-index: 1000;
    }

    header h1 {
      margin: 0;
      font-size: 1.4rem;
      color: var(--nav-accent);
    }

    nav ul {
      list-style: none;
      display: flex;
      gap: 1.5rem;
      margin: 0;
      padding: 0;
    }

    nav a {
      color: #fff;
      text-decoration: none;
      font-weight: 600;
    }

    nav a:hover {
      color: var(--nav-accent);
    }

    main {
      max-width: var(--max-width);
      margin: auto;
      padding: 2rem;
    }

    .hero {
      display: flex;
      flex-direction: column;
      gap: 12px;
      padding: 28px;
      background: linear-gradient(180deg, rgba(255, 255, 255, 0.9), transparent);
      border-radius: 10px;
      box-shadow: 0 6px 18px rgba(11, 18, 32, 0.06);
    }

    .h1 {
      font-size: 34px;
      margin: 0 0 8px;
    }

    .lead {
      font-size: 20px;
      color: var(--muted);
      line-height: 1.5;
    }

    .card-grid {
      margin-top: 24px;
      display: grid;
      gap: 18px;
      grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    }

    .card {
      padding: 16px;
      border-radius: 10px;
      background: #fff;
      box-shadow: 0 6px 18px rgba(11, 18, 32, 0.06);
    }

    footer {
      text-align: center;
      padding: 1rem;
      background: var(--nav-bg);
      color: #ccc;
      margin-top: 2rem;
    }

    .page-header {
      margin-bottom: 1.5rem;
      font-size: 28px;
      color: var(--nav-accent);
    }

    .section {
      margin-top: 2rem;
      padding: 1.5rem;
      background: #fff;
      border-radius: 10px;
      box-shadow: 0 6px 18px rgba(11, 18, 32, 0.06);
    }

    .features-list {
      margin-bottom: 1.5rem;
    }

    .features-list li {
      padding: 0.4rem 0;
    }

    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 24px;
      margin-top: 2rem;
    }

    .pricing-column {
      background: #fff;
      border-radius: 10px;
      box-shadow: 0 6px 18px rgba(11, 18, 32, 0.06);
      padding: 2rem;
      text-align: left;
    }

    .pricing-column h3 {
      margin-top: 0;
      color: var(--nav-accent);
    }

    .price {
      font-size: 24px;
      font-weight: 700;
      margin: 0.5rem 0 1rem;
    }

    .pricing-column ul {
      list-style: none;
      padding: 0;
    }

    .pricing-column li {
      margin: 0.5rem 0;
    }

    ol {
      padding-left: 1.2rem;
      line-height: 1.6;
    }

    ol li {
      margin-bottom: 0.75rem;
    }

    .cta-button {
      display: inline-block;
      padding: 12px 24px;
      background: var(--nav-accent);
      color: #fff;
      font-weight: 600;
      border-radius: 6px;
      text-decoration: none;
      transition: background 0.2s;
    }

    .cta-button:hover {
      background: #1d8bb8;
    }