:root {
    font-family: -apple-system, BlinkMacSystemFont, "San Francisco", "Helvetica Neue", Helvetica, Arial, sans-serif;
    line-height: 1.5;
    font-weight: 400;
  
    color-scheme: dark;
    color: rgba(255, 255, 255, 0.9);
    background-color: #000000;
  
    font-synthesis: none;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
  
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  html, body {
    height: 100%;
    overflow: hidden;
  }
  
  body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #000000;
    perspective: 1000px;
  }
  
  #app {
    position: relative;
    z-index: 10;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
  }
  
  .container {
    max-width: 1200px;
    padding: 0 2rem;
    margin: 0 auto;
  }
  
  h1 {
    font-size: clamp(2rem, 8vw, 5rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    color: rgba(255, 255, 255, 0.95);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeIn 1.5s ease-out forwards;
    background: linear-gradient(90deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(255,255,255,0.3);
  }
  
  @keyframes fadeIn {
    0% {
      opacity: 0;
      transform: translateY(20px);
    }
    100% {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  /* Particles background */
  #particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
  }
  
  .particle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    pointer-events: none;
  }
  
  /* 3D Wave Animation */
  .wave-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    background: linear-gradient(45deg, #000000, #1a1a1a);
    overflow: hidden;
  }
  
  .wave {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0.3;
    animation: wave-animation 20s infinite linear;
    background: repeating-linear-gradient(
      45deg,
      transparent,
      transparent 50px,
      rgba(255, 255, 255, 0.02) 50px,
      rgba(255, 255, 255, 0.02) 100px
    );
    transform-origin: center;
    transform-style: preserve-3d;
  }
  
  @keyframes wave-animation {
    0% {
      transform: perspective(1000px) rotateX(60deg) rotateY(0deg) rotateZ(0deg);
    }
    100% {
      transform: perspective(1000px) rotateX(60deg) rotateY(0deg) rotateZ(360deg);
    }
  }
  
  /* Responsive adjustments */
  @media (max-width: 768px) {
    .container {
      padding: 0 1.5rem;
    }
    
    .wave {
      animation-duration: 15s;
    }
  }
  
  @media (max-width: 480px) {
    .container {
      padding: 0 1rem;
    }
    
    .wave {
      animation-duration: 10s;
    }
  }