.demo-btn {
  padding: 3px 14px;
  font-family: -apple-system, BlinkMacSystemFont, 'Roboto', sans-serif;
  border-radius: 6px;
  border: none;
  margin-top: .5rem;
  color: #fff;
  background: linear-gradient(180deg, #f74b4b 0%, #f63636 100%);
   background-origin: border-box;
  box-shadow: 0px 0.5px 1.5px rgba(246, 54, 54, 0.25), inset 0px 0.8px 0px -0.25px rgba(255, 255, 255, 0.2);
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
}

.demo-btn:focus {
  box-shadow: inset 0px 0.8px 0px -0.25px rgba(255, 255, 255, 0.2), 0px 0.5px 1.5px rgba(246, 54, 54, 0.25), 0px 0px 0px 3.5px rgba(58, 108, 217, 0.5);
  outline: 0;
}

.modal {
    display: none; 
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.8); 
    justify-content: center;
    align-items: center;
    text-align: center;
    backdrop-filter: blur(10px); 
    -webkit-backdrop-filter: blur(10px); 
 }

 .modal-content {
    background-color: rgba(255, 255, 255, 0);
    border-radius: 8px;
    padding: 20px;
    width: 90%; 
    max-width: 1000px; 
    height: 80vh; 
    position: relative;
    overflow: hidden;
}

  .modal-header {
    background-color: #333;
    color: white;
    padding: 10px;
    font-weight: bold;
    text-align: center;
  }

  .close-btn {
    position: absolute;
    right: 5%;
    background-color: #ff000000;
    color: white;
    border: none;
    font-size: 18px;
    cursor: pointer;
  }

  .modal iframe {
    width: 100%;
    height: 100%;
  }