body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: #f0f4f8;
  }

  .card {
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    padding: 30px;
    text-align: center;
    width: 300px;
    transition: transform 0.3s ease;
  }

  .card:hover {
    transform: scale(1.05);
  }

  .avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 20px;
  }

  h2 {
    margin: 0;
    font-size: 24px;
    color: #333;
  }

  p {
    margin-top: 5px;
    color: #777;
  }

  .btn {
    margin-top: 15px;
    padding: 10px 20px;
    background: #4a90e2;
    color: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.3s;
  }

  .btn:hover {
    background: #357ab8;
  }