Geneva, Verdana, sans-serif;
        margin: 0;
        padding: 0;
        background-color: #f9f9fb;
        color: var(--text-color);
        line-height: 1.6;
      }

      .container {
        max-width: 920px;
        margin: 0 auto;
        padding: 2.5rem 2rem;
      }

      header {
        margin-bottom: 2.5rem;
      }

      h1 {
        color: var(--primary-color);
        margin: 0;
        font-size: 2.2rem;
        font-weight: 600;
      }

      .card {
        background: white;
       