body {
        background-color: #0f172a;
        font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        margin: 0;
        padding: 0;
        color: #e2e8f0;
        display: flex;
        flex-direction: column;
        min-height: 100vh;
      }

      header {
        background-color: #1e293b;
        padding: 16px 32px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
      }

      header h1 {
        font-size: 1.5rem;
        color: #f8fafc;
        margin: 0;
      }

      nav {
        display: flex;
        gap: 16px;
      }

      nav a {
        color: #cbd5e1;
        text-decoration: none;
        font-weight: 500;
        transition: color 0.25s ease;
      }

      nav a:hover {
        color: #60a5fa;
      }

      .hero {
        flex: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        text-align: center;
        padding: 60px 20px;
      }

      .hero h2 {
        font-size: 2.5rem;
        color: #f8fafc;
        margin-bottom: 20px;
      }

      .hero p {
        color: #94a3b8;
        font-size: 1.1rem;
        max-width: 600px;
        margin-bottom: 40px;
      }

      .btn-group {
        display: flex;
        gap: 16px;
        flex-wrap: wrap;
        justify-content: center;
      }

      .primary-btn,
      .secondary-btn {
        padding: 14px 28px;
        border-radius: 8px;
        font-size: 1rem;
        font-weight: 600;
        cursor: pointer;
        transition: all 0.25s ease;
      }

      .primary-btn {
        background-color: #3b82f6;
        color: white;
        border: none;
      }

      .primary-btn:hover {
        background-color: #2563eb;
      }

      .secondary-btn {
        background-color: transparent;
        border: 1.5px solid #334155;
        color: #94a3b8;
      }

      .secondary-btn:hover {
        border-color: #60a5fa;
        color: #60a5fa;
      }

      footer {
        text-align: center;
        padding: 20px;
        background-color: #1e293b;
        color: #64748b;
        font-size: 0.9rem;
      }

      @media (max-width: 600px) {
        .hero h2 {
          font-size: 2rem;
        }
        .hero p {
          font-size: 1rem;
        }
      }