@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@700&display=swap');
    
    * { margin: 0; padding: 0; box-sizing: border-box; }
    body {
      background: #000;
      color: #00e676;
      font-family: 'Orbitron', sans-serif;
      overflow: hidden;
      height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .splash {
      text-align: center;
      animation: pulse 2s infinite;
    }
    .logo {
      font-size: 6rem;
      margin-bottom: 1rem;
      text-shadow: 0 0 20px #00e676, 0 0 40px #00e676, 0 0 60px #00e676;
      letter-spacing: 8px;
    }
    .tagline {
      font-size: 1.6rem;
      margin: 1rem 0;
      opacity: 0;
      animation: fadeIn 1s forwards 1s;
    }
    .loader {
      width: 70px;
      height: 70px;
      border: 5px solid #00e676;
      border-top: 5px solid transparent;
      border-radius: 50%;
      animation: spin 1s linear infinite;
      margin: 2rem auto;
      opacity: 0;
      animation: fadeIn 1s forwards 2s;
    }
    .enter {
      margin-top: 2rem;
      padding: 1rem 2.5rem;
      background: #00e676;
      color: #000;
      border: none;
      font-size: 1.3rem;
      font-weight: bold;
      cursor: pointer;
      border-radius: 12px;
      opacity: 0;
      animation: fadeIn 1s forwards 3s;
      transition: 0.3s;
      box-shadow: 0 0 20px rgba(0, 230, 118, 0.5);
    }
    .enter:hover {
      background: #00c853;
      transform: scale(1.08);
      box-shadow: 0 0 30px rgba(0, 230, 118, 0.8);
    }

    @keyframes pulse {
      0%, 100% { transform: scale(1); }
      50% { transform: scale(1.05); }
    }
    @keyframes spin {
      0% { transform: rotate(0deg); }
      100% { transform: rotate(360deg); }
    }
    @keyframes fadeIn {
      to { opacity: 1; }
    }