#demo-section {
    background:linear-gradient(to right,#b1ddd4    , #abb2b2) !important;;
    padding: 40px 10px; 
    text-align: center;
    width: 100%;
    max-width:700px;
     margin: 20px auto;
    border-radius: 12px;
  }
  
  .demo-content {
    max-width: 800px;
    margin: -10px auto;
  }
  
  #demo-section h2 {
    color: #000000;
    margin-bottom: 15px; 
    font-size: 2em; 
  }
  
  .book-appointment p {
    color: #000000;
    line-height: 1.5; 
    margin-bottom: 15px; 
    font-size: 0.95em; 
  }
  
  #appointment-form {
    max-width: 500px;
    margin: 0 auto;
    text-align: left;
  }
  
  .form-group {
    margin-bottom: 10px; 
  }
  
  .form-group label {
    display: block;
    margin-bottom: 6px; 
    color: #333;
    font-weight: 600;
    font-size: 0.9em; 
  }
  
  .form-group input,
  .form-group textarea {
    width: calc(100% - 22px);
    padding: 8px; 
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 0.9em; 
    box-sizing: border-box;
  }
  
  .form-group textarea {
    resize: vertical;
  }
  
  .submit-btn {
    background-color: #0e4d51;
    color: white;
    padding: 10px 30px; 
    border: none;
    border-radius: 5px;
    font-size: 1em;
    cursor: pointer;
    transition: background-color 0.3s ease;
  }
  
  .submit-btn:hover {
    background-color: #287e3f;
  }
  
  .presentation-link {
    margin-top: 3px; 
    text-align: center;
  }
  
  .presentation-link p {
    color: #555;
    font-size: 0.9em; 
  }
  
  .presentation-link a {
    color: #083540;
    text-decoration: none;
    font-weight: 600;
    font-size: 20px;
    transition: color 0.3s ease;
  }
  
  .presentation-link a:hover {
    color: #0056b3;
  }
  
  @media (max-width: 768px) {
    #demo-section {
      padding: 30px 15px; 
    }
  
    #demo-section h2 {
      font-size: 1.8em; 
    }
  
    .book-appointment p {
      font-size: 0.9em; 
    }
  
    .submit-btn {
      padding: 8px 16px; 
      font-size: 0.9em; 
    }
  }