body {
      margin: 0;
      background: radial-gradient(circle at center, #111827, #030712);
      display: flex;
      justify-content: center;
      align-items: center;
      height: 100vh;
      flex-direction: column;
      font-family: Arial, sans-serif;
    }

    .logo {
      width: 250px;
      margin-bottom: 25px;
      filter: drop-shadow(0 0 15px #00f2ff);
    }

    .visualizer {
      width: 250px; /* Same as logo */
      height: 80px;
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      opacity: 0;
      transition: opacity 0.3s ease;
      margin-bottom: 30px;
    }

    .bar {
      width: 4px;
      background: #00f2ff;
      border-radius: 4px;
      height: 10px;
      transition: height 0.08s linear;
    }

    /* Stylish button */
    .action-button {
      padding: 12px 28px;
      font-size: 18px;
      color: #00f2ff;
      background: transparent;
      border: 2px solid #00f2ff;
      border-radius: 10px;
      cursor: pointer;
      text-transform: uppercase;
      font-weight: bold;
      transition: all 0.3s ease;
      position: relative;
      overflow: hidden;
    }

    .action-button::before {
      content: '';
      position: absolute;
      top: 0;
      left: -100%;
      width: 100%;
      height: 100%;
      background: rgba(0, 242, 255, 0.2);
      transform: skewX(-20deg);
      transition: all 0.5s ease;
    }

    .action-button:hover {
      color: #030712;
      background: #00f2ff;
      box-shadow: 0 0 20px #00f2ff, 0 0 40px #00f2ff, 0 0 60px #00f2ff;
    }

    .action-button:hover::before {
      left: 100%;
    }