.nca-demo { margin: 1rem 0 2rem; display: grid; gap: .5rem; place-items: center; }
.nca-demo canvas { border: 4px solid #333; image-rendering: pixelated;
  width: min(350px, 90vw); height: min(350px, 90vw); }
.nca-demo .row { display: flex; gap: .75rem; align-items: center; }

.nca-demo {
  margin: 1rem 0 2rem;
  display: grid;
  gap: 0.75rem;
  place-items: center;
}
.nca-demo canvas {
  border: 4px solid #333;
  image-rendering: pixelated;
  width: min(400px, 90vw);
  height: min(400px, 90vw);
}
.nca-caption {
  font-size: 0.85em;
  color: #999;
  text-align: center;
  line-height: 1.4;
  margin: 0;
}
.nca-caption a {
  color: #bbb;
  text-decoration: none;
  border-bottom: 1px dotted #555;
}
.nca-caption a:hover {
  color: #fff;
  border-bottom-color: #999;
}
.row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
}