html, body {
      margin: 0;
      padding: 0;
      background: black;
      overflow: hidden;
      touch-action: none;
    }

    .scene {
      position: relative;
      width: 100vw;
      height: 100vh;
      overflow: hidden;
    }

    img#bgImage {
      position: absolute;
      top: 50%;
      left: 50%;
      width: auto;
      height: 100%;
      transform: translate(-50%, -50%);
      filter: brightness(0.05); /* Gambar gelap default */
      z-index: 1;
    }

    .spotlight {
      display: none;
    }