/* ─── Scene 3 — background ───────────────────────────────── */
#scene-03 {
  background-color: #fff9e6;
  background-image: radial-gradient(circle, rgba(0,0,0,0.13) 1.5px, transparent 1.5px);
  background-size: 18px 18px;
  z-index: 10;
}

/* Fades in at t=17s and stays — no fade-out, this is the final frame */
body.scenes-started #stage #scene-03 {
  animation: s3FadeIn 1.2s 17s both;
}
@keyframes s3FadeIn { from { opacity: 0; } to { opacity: 1; } }

/* ─── Pause all children until play is clicked ───────────── */
#scene-03 * { animation-play-state: paused; }
body.scenes-started #stage #scene-03 * { animation-play-state: running; }