.binary-header {
    padding: 60px 20px 40px;
    background: linear-gradient(135deg, #1559a6, #0056b3);
    color: white;
    text-align: center;
  }

  .binary-header h1 {
    font-weight: 700;
  }

  .binary-description {
    padding: 40px 20px;
    text-align: center;
  }

  .binary-description p {
    max-width: 800px;
    margin: auto;
    font-size: 1.1rem;
    color: #555;
  }

  .binary-tree {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 30px 15px;
  }

  .tree-node {
    background: white;
    border: 2px solid #1559a6;
    padding: 10px 20px;
    border-radius: 10px;
    margin: 10px;
    font-weight: 600;
    color: #1559a6;
    box-shadow: 0 4px 10px rgba(0, 123, 255, 0.1);
    text-align: center;
  }

  .tree-level {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
    margin-top: 20px;
  }

  .tree-line {
    width: 2px;
    height: 20px;
    background-color: #1559a6;
    margin: auto;
  }

  .commission-box {
    background: #fff;
    border-left: 5px solid #1559a6;
    padding: 20px;
    margin: 15px 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    border-radius: 10px;
  }

  .commission-box h5 {
    color: #0056b3;
    margin-bottom: 10px;
  }

  @media (max-width: 576px) {
    .tree-level {
      flex-direction: column;
      align-items: center;
    }
  }