html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: #0d0d0e;
}

#stage {
  position: fixed;
  inset: 0;
  touch-action: pan-y;
}

#stage canvas {
  position: fixed;
  inset: 0;
  display: block;
}

/* naam voor zoekmachines en schermlezers; visueel komt hij uit de parels */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* terugval zonder WebGL of JavaScript: stille dunne outline */
#fallback {
  display: none;
  position: fixed;
  top: 50%;
  left: 50%;
  width: 11.3vw;
  transform: translate(-50%, -50%);
  overflow: visible;
}
#fallback path {
  fill: none;
  stroke: #ece8e1;
  stroke-opacity: 0.55;
  stroke-width: 0.6px;
  vector-effect: non-scaling-stroke;
}
.no-webgl #fallback { display: block; }