#story { min-width: 0; }

.opening-scene {
  position: relative;
  display: grid;
  min-height: calc(100svh - var(--header-height));
  grid-template-columns: minmax(0, 1.3fr) minmax(260px, 0.7fr);
  align-items: center;
  gap: clamp(2rem, 8vw, 9rem);
  padding: clamp(4rem, 8vw, 9rem) var(--page-gutter);
  border-bottom: 1px solid var(--line-strong);
  overflow: hidden;
}

.opening-scene::after {
  position: absolute;
  right: -13vw;
  bottom: -23vw;
  width: 55vw;
  height: 55vw;
  border: 1px solid rgba(216, 237, 116, 0.2);
  content: "";
  transform: rotate(28deg);
}

.opening-scene h1 {
  max-width: 11ch;
  margin: 1.15rem 0 1.4rem;
  font-family: var(--font-display);
  font-size: clamp(3.7rem, 8.4vw, 9.4rem);
  font-weight: 900;
  letter-spacing: -0.07em;
  line-height: 0.87;
  text-wrap: balance;
}

.opening-scene__subtitle {
  max-width: 52rem;
  margin: 0;
  color: var(--ivory-dim);
  font-size: clamp(1.05rem, 1.8vw, 1.55rem);
  line-height: 1.45;
}

.start-cue {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 0.7rem;
  margin-top: 2rem;
  color: var(--acid);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-decoration: none;
  text-transform: uppercase;
}

.opening-scene__signal {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 26rem;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem;
  border: 1px solid var(--line-strong);
  background: rgba(32, 37, 32, 0.72);
  box-shadow: var(--shadow);
  transform: rotate(2deg);
}

.signal-dot { width: 16px; height: 16px; background: var(--acid); border-radius: 50%; box-shadow: 0 0 0 9px rgba(216, 237, 116, 0.1); }
.signal-line { width: 1px; height: 72px; background: var(--line-strong); }
.signal-line--short { height: 38px; }
.signal-label { color: var(--ivory); font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.18em; }

.phase-marker {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 2rem;
  padding: 4rem var(--page-gutter) 1.5rem;
  border-bottom: 1px solid var(--line);
  background: var(--ink-deep);
}

.phase-marker strong {
  font-size: clamp(2.2rem, 5vw, 5.7rem);
  font-weight: 900;
  letter-spacing: -0.045em;
  line-height: 0.9;
  text-transform: uppercase;
}

.phase-marker span { color: var(--acid); font-family: var(--font-mono); font-size: 0.75rem; }

.chapter {
  position: relative;
  min-height: 115svh;
  scroll-margin-top: calc(var(--header-height) + 1.2rem);
  border-bottom: 1px solid var(--line-strong);
}

.chapter::before {
  position: absolute;
  z-index: -1;
  top: 0;
  bottom: 0;
  left: clamp(2.4rem, 6vw, 7rem);
  width: 1px;
  background: var(--line);
  content: "";
}

.chapter__frame {
  display: grid;
  width: min(100%, var(--content-width));
  grid-template-columns: 90px minmax(340px, 0.9fr) minmax(460px, 1.1fr);
  align-items: start;
  gap: clamp(1.5rem, 4vw, 5rem);
  padding: clamp(5rem, 8vw, 9rem) var(--page-gutter);
  margin: 0 auto;
}

.chapter:nth-of-type(even) .chapter__frame {
  grid-template-columns: 90px minmax(460px, 1.1fr) minmax(340px, 0.9fr);
}

.chapter:nth-of-type(even) .chapter__narrative { grid-column: 3; }
.chapter:nth-of-type(even) .chapter__visual-column { grid-column: 2; grid-row: 1; }

.chapter__index {
  position: sticky;
  top: calc(var(--header-height) + 3rem);
  display: flex;
  min-height: 70vh;
  flex-direction: column;
  align-items: center;
  gap: 0.9rem;
  color: var(--fog);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.chapter__index strong { color: var(--acid); font-size: 0.95rem; }
.chapter__index-line { width: 1px; flex: 1; background: var(--line-strong); }
.chapter__index-id { writing-mode: vertical-rl; }

.chapter__narrative { grid-column: 2; min-width: 0; }
.chapter__visual-column { grid-column: 3; min-width: 0; align-self: stretch; }

.chapter__header { margin-bottom: clamp(3rem, 7vw, 6rem); }
.chapter__header h2 {
  max-width: 13ch;
  margin: 0.8rem 0 1.3rem;
  font-family: var(--font-display);
  font-size: clamp(2.65rem, 5.2vw, 6.2rem);
  font-weight: 900;
  letter-spacing: -0.055em;
  line-height: 0.92;
  text-wrap: balance;
}

.chapter__thesis {
  max-width: 43rem;
  padding-left: 1rem;
  border-left: 3px solid var(--acid);
  margin: 0;
  color: var(--ivory-dim);
  font-size: clamp(1.08rem, 1.65vw, 1.4rem);
}

.chapter__objective {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.7rem;
  padding: 0.9rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-top: 1.7rem;
  color: var(--fog);
  font-size: 0.84rem;
}

.chapter__objective strong { color: var(--acid); font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; }

.block-stack { display: grid; gap: 1rem; }

.content-block {
  position: relative;
  min-width: 0;
  padding: 1.25rem 1.25rem 1.4rem;
  border-top: 1px solid var(--line-strong);
  background: rgba(32, 37, 32, 0.62);
}

.content-block::before {
  position: absolute;
  top: -2px;
  left: 0;
  width: 2.7rem;
  height: 3px;
  background: var(--acid);
  content: "";
}

.content-block h3 { margin: 0 0 0.75rem; font-size: 1.07rem; line-height: 1.25; }
.content-block p { margin: 0; color: var(--ivory-dim); }
.content-block ul, .content-block ol { display: grid; gap: 0.55rem; padding: 0; margin: 0; list-style: none; }
.content-block li { position: relative; padding-left: 1.1rem; color: var(--ivory-dim); }
.content-block li::before { position: absolute; left: 0; color: var(--acid); content: "—"; }

.content-block--callout,
.content-block--blocked,
.content-block--blocked-template,
.content-block--red-team {
  border: 1px solid rgba(214, 104, 72, 0.65);
  background: rgba(122, 61, 44, 0.18);
}
.content-block--callout::before,
.content-block--blocked::before,
.content-block--blocked-template::before,
.content-block--red-team::before { background: var(--rust); }

.content-block--equation,
.content-block--formula,
.content-block--closing {
  padding: 1.7rem;
  border: 1px solid var(--acid);
  background: var(--acid);
  color: var(--ink-deep);
  transform: rotate(-0.5deg);
}
.content-block--equation p,
.content-block--formula p,
.content-block--closing p,
.content-block--equation li,
.content-block--formula li { color: var(--ink-deep); }
.content-block--equation li::before,
.content-block--formula li::before { color: var(--ink-deep); }
.content-block--equation::before,
.content-block--formula::before,
.content-block--closing::before { display: none; }

.content-block--folder-tree,
.content-block--naming,
.content-block--route,
.content-block--report,
.content-block--brief-live {
  border: 1px solid var(--line-strong);
  background: var(--ink-deep);
  box-shadow: 8px 8px 0 rgba(216, 237, 116, 0.08);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.record-grid,
.pair-grid,
.term-grid,
.matrix-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
}

.record-card {
  min-width: 0;
  padding: 0.9rem;
  border: 1px solid var(--line);
  background: rgba(14, 16, 15, 0.42);
}
.record-card strong { display: block; margin-bottom: 0.35rem; color: var(--ivory); }
.record-card p, .record-card span { overflow-wrap: anywhere; font-size: 0.88rem; }
.record-card__meta { color: var(--acid); font-family: var(--font-mono); font-size: 0.68rem !important; letter-spacing: 0.06em; text-transform: uppercase; }

.dimension-strip { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-top: 1rem; }
.dimension-badge {
  display: inline-grid;
  grid-template-columns: auto auto;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 0.63rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.dimension-badge strong { padding: 0.32rem 0.42rem; background: var(--ivory); color: var(--ink); }
.dimension-badge span { padding: 0.32rem 0.42rem; color: var(--ivory); }
.dimension-badge[data-dimension="access"] strong { background: var(--rust); color: var(--ink); }
.dimension-badge[data-dimension="workflow"] strong { background: var(--fog); color: var(--ink); }
.dimension-badge[data-dimension="autonomy"] strong { background: var(--acid); }

.visual-panel {
  position: sticky;
  top: calc(var(--header-height) + 2.2rem);
  min-height: min(66vh, 650px);
  padding: clamp(1.1rem, 2.5vw, 2.3rem);
  border: 1px solid var(--line-strong);
  background: rgba(14, 16, 15, 0.86);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.visual-panel::after {
  position: absolute;
  right: -2rem;
  bottom: -2rem;
  width: 7rem;
  height: 7rem;
  border: 1px solid rgba(216, 237, 116, 0.28);
  content: "";
  transform: rotate(45deg);
}

.visual-panel__label { display: flex; justify-content: space-between; gap: 1rem; color: var(--acid); font-family: var(--font-mono); font-size: 0.64rem; letter-spacing: 0.11em; text-transform: uppercase; }
.visual-panel__stage { position: relative; display: grid; min-height: 30rem; align-content: center; gap: 1rem; padding: 2rem 0 0; }

.visual-locks { grid-template-columns: repeat(3, 1fr); align-items: stretch; }
.visual-lock {
  display: grid;
  min-width: 0;
  min-height: 12rem;
  place-items: center;
  align-content: center;
  gap: 0.8rem;
  padding: 0.8rem;
  border: 1px solid var(--line-strong);
  text-align: center;
}
.visual-lock svg { color: var(--rust); }
.visual-lock span { font-family: var(--font-mono); font-size: 0.67rem; letter-spacing: 0.08em; overflow-wrap: anywhere; text-transform: uppercase; }

.visual-beats { grid-template-columns: 1fr; }
.visual-beat { display: grid; grid-template-columns: 2rem 1fr; align-items: center; gap: 1rem; padding: 0.7rem; border-bottom: 1px solid var(--line); }
.visual-beat b { display: grid; width: 2rem; height: 2rem; place-items: center; border: 1px solid var(--acid); color: var(--acid); border-radius: 50%; font-family: var(--font-mono); }
.visual-beat span { font-size: 0.82rem; }

.visual-chaos { display: block; min-height: 31rem; }
.chaos-note { position: absolute; width: 42%; padding: 0.8rem; border: 1px solid var(--line); background: var(--ink-raised); font-family: var(--font-mono); font-size: 0.67rem; box-shadow: 5px 7px 0 rgba(0,0,0,.35); }
.chaos-note:nth-child(1) { top: 12%; left: 5%; transform: rotate(-7deg); }
.chaos-note:nth-child(2) { top: 26%; right: 6%; transform: rotate(5deg); }
.chaos-note:nth-child(3) { bottom: 25%; left: 12%; transform: rotate(3deg); }
.chaos-note:nth-child(4) { right: 14%; bottom: 8%; transform: rotate(-4deg); }
.chaos-axis { position: absolute; right: 46%; top: 8%; width: 2px; height: 82%; background: var(--rust); transform: rotate(-25deg); }
.chaos-axis::after { position: absolute; right: -5px; bottom: -2px; width: 10px; height: 10px; background: var(--rust); content: ""; transform: rotate(45deg); }

.visual-parts { grid-template-columns: repeat(2, 1fr); }
.part-tile { display: grid; min-height: 10rem; align-content: space-between; padding: 1rem; border: 1px solid var(--line); }
.part-tile b { color: var(--acid); font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.08em; }
.part-tile span { font-size: 1rem; font-weight: 750; }
.part-tile:last-child { border-color: var(--acid); background: rgba(216,237,116,.08); }

.visual-conversion { grid-template-columns: 1fr 4rem 1fr; align-items: center; }
.conversion-side { display: grid; gap: 0.7rem; }
.conversion-chip { padding: 0.75rem; border: 1px solid var(--line); font-size: 0.75rem; }
.conversion-side--files .conversion-chip { border-left: 3px solid var(--acid); background: var(--ink-raised); font-family: var(--font-mono); }
.conversion-arrow { color: var(--acid); font-size: 2.4rem; text-align: center; }

.visual-floorplan { grid-template-columns: repeat(2, 1fr); grid-template-rows: repeat(2, 1fr); gap: 0; border: 2px solid var(--ivory-dim); }
.floor-room { display: grid; min-height: 10rem; place-items: center; padding: 1rem; border: 1px solid var(--line-strong); text-align: center; }
.floor-room b { color: var(--acid); font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: .08em; text-transform: uppercase; }
.floor-room span { color: var(--ivory-dim); font-size: .75rem; }

.visual-sources { grid-template-columns: repeat(5, 1fr); align-items: end; }
.source-slot { display: grid; min-height: 18rem; align-content: space-between; padding: 0.75rem; border: 1px solid var(--line); background: var(--ink-raised); }
.source-slot:nth-child(2) { min-height: 21rem; }
.source-slot:nth-child(4), .source-slot:nth-child(5) { border-color: var(--rust); }
.source-slot b { color: var(--acid); font-family: var(--font-mono); font-size: .7rem; }
.source-slot span { writing-mode: vertical-rl; font-size: .75rem; }
.source-slot em { color: var(--rust); font-family: var(--font-mono); font-size: .6rem; font-style: normal; }

.visual-map { grid-template-columns: repeat(3, 1fr); gap: 0; }
.map-room { min-height: 8rem; padding: .75rem; border: 1px solid var(--line); color: var(--fog); font-family: var(--font-mono); font-size: .66rem; }
.map-room.is-built { border-color: var(--acid); color: var(--ivory); background: rgba(216,237,116,.06); }
.map-room.is-locked { border-color: var(--rust); color: var(--rust); }

.visual-contradictions { grid-template-columns: 1fr auto 1fr; align-items: stretch; }
.contradiction-column { display: grid; align-content: center; gap: .7rem; }
.contradiction-value { padding: .8rem; border: 1px solid var(--line); background: var(--ink-raised); text-align: center; }
.contradiction-beam { width: 3px; margin: 0 1rem; background: var(--rust); box-shadow: 0 0 18px rgba(214,104,72,.45); }

.visual-folders { grid-template-columns: repeat(3, 1fr); gap: .65rem; }
.folder-room { position: relative; min-height: 7rem; padding: 1.6rem .65rem .65rem; border: 1px solid var(--line); background: var(--ink-raised); font-family: var(--font-mono); font-size: .64rem; overflow-wrap: anywhere; }
.folder-room::before { position: absolute; top: -.5rem; left: .65rem; width: 2.5rem; height: .5rem; background: var(--acid); content: ""; }
.folder-room:last-child { grid-column: span 3; border-color: var(--acid); }

.visual-route { grid-template-columns: 1fr; }
.route-node { display: grid; grid-template-columns: 2.5rem minmax(0,1fr) auto; align-items: center; gap: .8rem; padding: .7rem; border: 1px solid var(--line); }
.route-node b { display: grid; width: 2.1rem; height: 2.1rem; place-items: center; background: var(--acid); color: var(--ink); font-family: var(--font-mono); font-size: .68rem; }
.route-node span { font-size: .8rem; }
.route-node em { color: var(--fog); font-family: var(--font-mono); font-size: .58rem; font-style: normal; }
.route-node:nth-child(2), .route-node:last-child { border-color: var(--rust); }

.visual-brief { grid-template-columns: 1fr 1fr; align-content: stretch; }
.brief-sheet { grid-row: span 4; padding: 1rem; border: 1px solid var(--ivory-dim); background: var(--ivory); color: var(--ink); box-shadow: 10px 12px 0 rgba(0,0,0,.4); transform: rotate(-1deg); }
.brief-sheet b { font-size: 1.2rem; }
.brief-line { height: .5rem; margin-top: .65rem; background: rgba(23,26,23,.16); }
.brief-field { padding: .8rem; border-left: 2px solid var(--acid); background: var(--ink-raised); font-family: var(--font-mono); font-size: .65rem; }

.visual-qa { grid-template-columns: 1fr auto 1fr; align-items: center; }
.qa-checks { display: grid; gap: .55rem; }
.qa-check { padding: .65rem; border: 1px solid var(--line); font-size: .7rem; }
.qa-check::before { color: var(--acid); content: "✓ "; }
.qa-gate { display: grid; width: 4.5rem; height: 14rem; place-items: center; border: 3px solid var(--rust); color: var(--rust); font-family: var(--font-mono); font-size: .65rem; writing-mode: vertical-rl; }
.qa-handoff { padding: 1rem; border: 1px solid var(--acid); background: rgba(216,237,116,.08); font-family: var(--font-mono); font-size: .7rem; }

.visual-continuity { grid-template-columns: 1fr auto 1fr; align-items: stretch; }
.continuity-stack { display: grid; align-content: center; gap: .6rem; padding: 1rem; border: 1px solid var(--line); }
.continuity-stack--after { border-color: var(--acid); }
.continuity-stack b { color: var(--acid); font-family: var(--font-mono); font-size: .66rem; }
.continuity-stack span { padding: .45rem; background: var(--ink-raised); font-size: .72rem; }
.continuity-arrow { align-self: center; color: var(--acid); font-size: 2rem; }

.exercise-deck { display: grid; gap: 0.8rem; margin-top: 2.4rem; }
.exercise-slot {
  position: relative;
  min-width: 0;
  padding: 1.15rem 1.2rem 1.25rem 3.3rem;
  border: 1px dashed var(--line-strong);
  background: rgba(14,16,15,.52);
}
.exercise-slot::before { position: absolute; top: 1rem; left: 1rem; color: var(--acid); font-family: var(--font-mono); font-size: .72rem; content: "?"; }
.exercise-slot__state { color: var(--acid); font-family: var(--font-mono); font-size: .62rem; letter-spacing: .08em; text-transform: uppercase; }
.exercise-slot h3 { margin: .3rem 0 .45rem; font-size: 1rem; }
.exercise-slot p { margin: 0; color: var(--fog); font-size: .86rem; }

.chapter__transition { margin-top: 3rem; padding-top: 1rem; border-top: 1px solid var(--line); color: var(--acid); font-family: var(--font-mono); font-size: .71rem; letter-spacing: .05em; }

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 620ms cubic-bezier(.2,.75,.2,1), transform 620ms cubic-bezier(.2,.75,.2,1);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}