* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body, html {
    height: 100%;
    font-family: 'Segoe UI', sans-serif;
    overflow: hidden;
  }
  
  #intro {
    position: fixed;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0f172a, #1e293b);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 1s ease;
  }
  
  #particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 1;
  }
  
  .intro-content {
    z-index: 2;
    text-align: center;
    color: white;
    animation: fadeIn 1.5s ease-in-out;
  }
  
  .logo {
    width: 500px;
    filter: drop-shadow(0 0 10px #0ff);
    animation: pulse 2s infinite;
  }
  
  #typed-text {
    font-size: 1.8rem;
    margin-top: 20px;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.2);
  }
  
  main {
    padding: 2rem;
    text-align: center;
    overflow: auto;
  }
  
  @keyframes fadeIn {
    from { opacity: 0; transform: scale(0.8); }
    to { opacity: 1; transform: scale(1); }
  }
  
  @keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
  }