/* Final chapter: the product and copy share a layout, independent of film aspect ratio. */
.stage[data-scene="5"] .cinema { visibility: hidden; }
.engine-layout {
  position: absolute;
  inset: 100px max(5vw, 24px) 125px;
  z-index: 3;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  align-items: center;
  gap: clamp(20px, 4vw, 90px);
  max-width: 1600px;
  margin-inline: auto;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: #56324b transparent;
}
.engine-visual { margin: 0; width: 100%; height: 100%; min-width: 0; min-height: 0; }
.engine-visual svg { display: block; width: 100%; height: 100%; }
.engine-layout .engine-panel {
  position: static;
  width: 100%;
  max-width: 660px;
  min-width: 0;
  padding: 12px 8px;
}
.engine-layout .engine-panel h2 { font-size: clamp(30px, 3vw, 54px); margin-bottom: clamp(20px, 2.2vh, 36px); }
.engine-layout .engine-panel h2 br { display: initial; }
.engine-layout .engine-panel h2 span { display: inline; }
.engine-layout .eyebrow { font-size: clamp(9px, .7vw, 12px); margin-bottom: 18px; }
.engine-layout .layer-tab { font-size: clamp(12px, .95vw, 16px); padding: clamp(12px, 1.5vh, 21px) 0; }
.engine-layout .layer-tab .number { font-size: 10px; }
.engine-layout .layer-detail { min-height: 190px; padding-top: 25px; }
.engine-layout .layer-detail h3 { font-size: clamp(16px, 1.2vw, 21px); line-height: 1.35; }
.engine-layout .layer-detail p { max-width: 570px; font-size: clamp(13px, 1vw, 17px); line-height: 1.7; }
.engine-layout .tags span { font-size: clamp(9px, .7vw, 12px); padding: 5px 8px; }
.engine-layout .replay { display: inline-block; margin-top: 5px; }

/* Narrow windows use an actual stacked layout; neither piece overlaps the other. */
@media (max-width: 850px), (max-aspect-ratio: 4/5) {
  .engine-layout {
    inset: 85px max(5vw, 18px) 135px;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: minmax(180px, 1fr) auto;
    gap: 8px;
    max-width: 680px;
    max-height: 1200px;
    margin-block: auto;
    align-items: center;
  }
  .engine-visual { min-height: 180px; }
  .engine-layout .engine-panel { padding: 0 8px 8px; max-width: none; }
  .engine-layout .engine-panel h2 { font-size: clamp(24px, 4vw, 38px); margin-bottom: 18px; }
  .engine-layout .engine-panel h2 br { display: none; }
  .engine-layout .engine-panel h2 span { display: block; }
  .engine-layout .eyebrow { font-size: 9px; margin-bottom: 12px; }
  .engine-layout .layer-tab { font-size: 12px; padding: 11px 0; }
  .engine-layout .layer-detail { min-height: 160px; padding-top: 16px; }
  .engine-layout .layer-detail h3 { font-size: 16px; }
  .engine-layout .layer-detail p { font-size: 13px; }
  .engine-layout .tags span { font-size: 9px; }
  .engine-layout .replay { display: none; }
}

/* Short viewports retain readable content and can scroll inside the final chapter. */
@media (max-height: 760px) and (min-width: 851px) and (min-aspect-ratio: 4/5) {
  .engine-layout { top: 85px; bottom: 105px; gap: 25px; }
  .engine-layout .engine-panel h2 { font-size: 30px; margin-bottom: 15px; }
  .engine-layout .eyebrow { margin-bottom: 12px; }
  .engine-layout .layer-tab { padding: 9px 0; font-size: 12px; }
  .engine-layout .layer-detail { min-height: 150px; padding-top: 15px; }
  .engine-layout .layer-detail p { font-size: 13px; }
  .engine-layout .layer-detail h3 { font-size: 16px; }
}
@media (max-width: 850px) and (max-height: 900px) {
  .engine-layout { top: 75px; bottom: 120px; grid-template-rows: minmax(160px, 1fr) auto; gap: 4px; }
  .engine-visual { min-height: 160px; }
  .engine-layout .engine-panel h2 { font-size: 24px; margin-bottom: 12px; }
  .engine-layout .eyebrow { font-size: 8px; margin-bottom: 8px; }
  .engine-layout .layer-tab { padding: 8px 0; font-size: 11px; }
  .engine-layout .layer-detail { min-height: 136px; padding-top: 12px; }
  .engine-layout .layer-detail h3 { font-size: 14px; }
  .engine-layout .layer-detail p { font-size: 12px; line-height: 1.5; margin-bottom: 10px; }
  .engine-layout .tags span { font-size: 8px; padding: 4px 6px; }
}
.stage[data-scene="5"] { min-height: 0; }