#intro-screen {
    position: fixed;
    inset: 0;
    background-color: var(--bg-color, #ffffff);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    transition: opacity 1s ease;
  }
  
  #intro-logo {
    width: 150px;
    animation: pulse-logo 1s ease-in-out infinite;
  }
  
  @keyframes pulse-logo {
    0% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.1); opacity: 1; }
    100% { transform: scale(1); opacity: 0.8; }
  }
  
  #intro-screen.fade-out {
    opacity: 0;
    pointer-events: none;
  }