body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(to bottom right, #1f1f1f, #2e2e2e);
    color: white;
  }
  header {
    text-align: center;
    padding: 40px 20px 30px;
  }
  .logo-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }
  .logo {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
  }
  header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
  }
  header p {
    max-width: 600px;
    margin: 0 auto 20px;
    color: #ccc;
  }
  .thumbnail {
    width: 100%;
    max-width: 600px;
    border-radius: 10px;
    margin: 20px auto;
    display: block;
  }
  .cta-button {
    margin-top: 20px;
    padding: 15px 30px;
    font-size: 18px;
    background-color: #7c3aed;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
  }
  .cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    padding: 40px 20px;
  }
  .card {
    background-color: #333;
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    border: 1px solid #444;
  }
  .card h3 {
    margin: 10px 0;
    font-size: 20px;
  }
  .card p, .card ul {
    color: #aaa;
  }
  .card ul {
    list-style: none;
    padding: 0;
    margin-top: 10px;
  }
  .card ul li {
    margin: 6px 0;
  }
  .section {
    text-align: center;
    padding: 60px 20px;
  }
  .section h2 {
    font-size: 2em;
    margin-bottom: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
  }
  .section p {
    max-width: 600px;
    margin: 0 auto;
    color: #bbb;
  }
  footer {
    text-align: center;
    padding: 30px 20px;
    color: #777;
    border-top: 1px solid #444;
    font-size: 14px;
  }