body {
      font-family: 'Segoe UI', sans-serif;
      margin: 0;
      background-color: #f4f6f8;
    }

    header {
      background-color: #2c3e50;
      color: white;
      padding: 20px 0;
    
      text-align: center;
    }

    main {
      width: 90%;
      max-width: 1200px;
      margin: 20px auto;
      background-color: white;
      padding: 20px;
      box-shadow: 0 2px 10px rgba(0,0,0,0.1);
      border-radius: 50px;
      box-shadow: 10px 10px 40px 10px rgba(98, 98, 145, 0.733);
    }

    section {
      margin-bottom: 30px;
    }

    h2 {
      color: #2c3e50;
      border-bottom: 2px solid #3498db;
      padding-bottom: 5px;
    }

    .logo-nav {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: center;
      gap: 20px;
      text-align: center;
    }

    .logo-nav img {
      max-width: 100px;
      height: auto;
    }

    ul {
      list-style-type: none;
      padding: 0;
      margin: 0;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    ul li a {
      text-decoration: none;
      color: #3498db;
    }

    ul li a:hover {
      text-decoration: underline;
    }

    .video-row {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
      justify-content: center;
    }

    .video-row iframe {
      flex: 1 1 300px;
      min-width: 280px;
      max-width: 100%;
      height: 230px;
      border: none;
      border-radius: 10px;
    }

    footer {
      background-color: #2c3e50;
      color: white;
      text-align: center;
      padding: 15px 0;
      margin-top: 40px;
    }

    @media (max-width: 600px) {
      .logo-nav {
        flex-direction: column;
      }

      main {
        padding: 10px;
      }

      .video-row iframe {
        height: 200px;
      }
    }