/* ============================================================
   BRUK GETNET — scenes, part 2
   Chapter headers · Camunda · Performance · Expedia · The Shift
   ============================================================ */

/* ── chapter header, shared by all four chapters ──────────────────────── */
.chapter { position: relative; }

.chapter__head {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(7rem, 20vh, 16rem) var(--pad) clamp(3.5rem, 9vh, 7rem);
  display: grid;
  gap: 1.5rem;
}

.chapter__no {
  font-family: var(--font-mono);
  font-size: var(--t-mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.chapter__co {
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 13vw, 13rem);
  font-weight: 600;
  font-stretch: 80%;
  line-height: 0.84;
  letter-spacing: -0.05em;
  text-transform: uppercase;
  will-change: transform;
}

.chapter__meta {
  display: grid;
  gap: 0.5rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: var(--t-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-40);
}
.chapter__meta p { display: flex; justify-content: space-between; gap: 2rem; }
.chapter__meta span:last-child { text-align: right; }

.chapter__thesis {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2.7vw, 2.5rem);
  line-height: 1.18;
  letter-spacing: -0.012em;
  max-width: 34ch;
  margin-top: clamp(1.5rem, 5vh, 4rem);
  color: var(--ink-80);
}

/* ── growth: the number climbs ────────────────────────────────────────── */
.growth { height: 180vh; }
.growth__stage {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100svh;
  display: grid;
  align-content: center;
  justify-items: center;
  gap: clamp(1rem, 3vh, 2.2rem);
  text-align: center;
  padding: calc(var(--navh) + 2vh) var(--pad) 8vh;
  overflow: hidden;
}
.growth__from, .growth__cap {
  font-family: var(--font-mono);
  font-size: var(--t-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-40);
}
.growth__from b { color: var(--ink-60); font-weight: 400; }
.growth__big {
  display: flex;
  align-items: baseline;
  font-size: clamp(4.5rem, 20vw, 19rem);
  line-height: 0.82;
  padding: 0.08em 0 0.1em;
}
.growth__big b { font-family: var(--font-display); font-weight: 650; font-stretch: 78%; letter-spacing: -0.055em; font-variant-numeric: tabular-nums; }
.growth__big em { font-style: normal; color: var(--accent); font-size: 0.34em; }
.growth__cap { max-width: 26ch; }

.growth__bars {
  position: absolute;
  inset: auto 0 0;
  height: 26vh;
  display: flex;
  align-items: flex-end;
  gap: 2px;
  padding: 0 var(--pad);
  opacity: 0.5;
}
.growth__bars i {
  flex: 1;
  background: var(--ink-20);
  transform: scaleY(0);
  transform-origin: bottom;
  will-change: transform;
}

/* ── collaboration ───────────────────────────────────────────────────── */
.collab { height: 220vh; }
.collab__stage {
  position: sticky;
  top: 0;
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 6rem);
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(4rem, 12vh, 8rem) var(--pad);
}
.collab__text { display: grid; gap: 1.3rem; }
.collab__text .chips { margin-top: 0.6rem; }

.collab__vis { margin: 0; }
.collab__vis svg { width: 100%; height: auto; overflow: visible; }
.cv__wires path { stroke: var(--line); }
.cv__wires path[data-cv-wire] { will-change: stroke-dashoffset; }
.cv__nodes [data-cv-node] {
  fill: var(--surface-2);
  stroke: var(--ink-40);
  stroke-width: 1.25;
  will-change: transform, opacity;
}
.cv__nodes [data-cv-contested] { stroke: var(--accent); }
.cv__peers g { will-change: transform, opacity; }
.cv__peers path { fill: var(--ink-80); }
.cv__peers text {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  fill: var(--ink-60);
}
.cv__peers g[data-cv-peer='0'] path { fill: var(--accent); }

.collab__vis figcaption {
  margin-top: 1.6rem;
  display: grid;
  gap: 0.8rem;
  justify-items: start;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.01em;
  color: var(--ink-40);
  max-width: 52ch;
  line-height: 1.7;
}

/* ── modernization ───────────────────────────────────────────────────── */
.modern {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(4rem, 12vh, 9rem) var(--pad);
}
.modern__split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}
/* the codebase as a hundred units, half of them moved */
.modern__bar { display: grid; gap: clamp(1.2rem, 3vh, 2rem); align-content: start; }
.modern__cells {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: clamp(3px, 0.6vw, 7px);
  aspect-ratio: 1;
  max-width: 420px;
}
.modern__cells i {
  display: block;
  aspect-ratio: 1;
  border: 1px solid var(--line);
  background: transparent;
  transition: background-color 0.5s var(--ease), border-color 0.5s var(--ease);
}
.modern__cells i.is-on { background: var(--accent); border-color: var(--accent); }
.modern__pct {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0 0.6rem;
  font-size: clamp(2.6rem, 6vw, 5rem);
  line-height: 0.9;
}
.modern__pct b { font-family: var(--font-display); font-weight: 600; font-stretch: 82%; letter-spacing: -0.05em; }
.modern__pct i { font-style: normal; font-size: 0.4em; color: var(--accent); }
.modern__pct span { font-size: 0.9rem; font-family: var(--font-sans); color: var(--ink-60); letter-spacing: 0; }
.modern__text { display: grid; gap: 1.3rem; }
.modern__outcomes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem;
  margin-top: 0.8rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--line);
}
.modern__outcomes b {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 600;
  font-stretch: 84%;
  letter-spacing: -0.05em;
  line-height: 1;
}
.modern__outcomes em { font-style: normal; font-size: 1.4rem; color: var(--accent); }
.modern__outcomes span { display: block; font-size: var(--t-xs); color: var(--ink-60); margin-top: 0.5rem; }

/* ── the record ──────────────────────────────────────────────────────── */
.record {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(2rem, 6vh, 5rem) var(--pad) clamp(6rem, 16vh, 12rem);
}
.record__head {
  font-family: var(--font-mono);
  font-size: var(--t-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-40);
  padding-bottom: 1.4rem;
  border-bottom: 1px solid var(--line);
}
.record__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.record__grid > div {
  padding: clamp(1.6rem, 4vh, 3rem) clamp(1rem, 2vw, 2rem) clamp(2rem, 5vh, 3.4rem);
  display: grid;
  gap: 0.9rem;
  align-content: start;
  border-right: 1px solid var(--line);
}
.record__grid > div:first-child { padding-left: 0; }
.record__grid > div:last-child { border-right: 0; }
html.js:not(.rm) [data-record-item] { opacity: 0; }
.record__grid dt {
  display: flex;
  align-items: baseline;
  font-size: clamp(3rem, 6.5vw, 6rem);
  line-height: 0.86;
}
.record__grid dt b { font-family: var(--font-display); font-weight: 650; font-stretch: 80%; letter-spacing: -0.05em; font-variant-numeric: tabular-nums; }
.record__grid dt em { font-style: normal; font-size: 0.34em; color: var(--accent); }
.record__grid dd { font-size: var(--t-xs); color: var(--ink-60); max-width: 22ch; }

/* ── 05 · PERFORMANCE ────────────────────────────────────────────────── */
.perf__track { height: 240vh; }
.perf__stage {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100svh;
  display: grid;
  align-content: center;
  gap: clamp(2rem, 5vh, 4rem);
  max-width: var(--maxw);
  margin: 0 auto;
  padding: calc(var(--navh) + 3vh) var(--pad) 8vh;
  overflow: hidden;
}
.perf__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5.4vw, 5rem);
  font-weight: 500;
  font-stretch: 88%;
  line-height: 0.96;
  letter-spacing: -0.045em;
  max-width: 22ch;
  will-change: transform;
}
.perf__gauges {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2rem, 6vw, 6rem);
}
.gauge { display: grid; gap: 0.8rem; }
.gauge__label {
  font-family: var(--font-mono);
  font-size: var(--t-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-40);
}
.gauge__val {
  display: flex;
  align-items: baseline;
  gap: 0.08em;
  font-size: clamp(3.4rem, 9vw, 8rem);
  line-height: 0.84;
}
.gauge__val b { font-family: var(--font-display); font-weight: 650; font-stretch: 80%; letter-spacing: -0.05em; font-variant-numeric: tabular-nums; }
.gauge__val em { font-style: normal; font-size: 0.26em; color: var(--accent); }
.gauge__track {
  height: 3px;
  background: var(--line);
  overflow: hidden;
}
.gauge__track i {
  display: block;
  height: 100%;
  background: var(--ink-80);
  transform-origin: left;
  will-change: transform;
}
.gauge__steps {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.06em;
  color: var(--ink-20);
}
.gauge__steps li { transition: color 0.3s linear; }
.gauge__steps li.is-passed { color: var(--accent); }
.gauge__delta {
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  letter-spacing: 0.04em;
  color: var(--ink-60);
}
.gauge__delta span { color: var(--ink-40); }
.perf__how {
  font-size: var(--t-sm);
  color: var(--ink-60);
  max-width: 62ch;
  display: grid;
  gap: 0.5rem;
}
.perf__how span { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.01em; color: var(--ink-40); line-height: 1.7; }

/* ── 06 · EXPEDIA · architecture ─────────────────────────────────────── */
.arch { height: 300vh; }
.arch__stage {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100svh;
  display: grid;
  align-content: center;
  gap: clamp(0.9rem, 2.4vh, 1.8rem);
  max-width: var(--maxw);
  margin: 0 auto;
  /* the flow plus its caption has to clear the nav and still fit a 800px-tall
     viewport, otherwise align-content:center shaves both ends of the diagram */
  padding: calc(var(--navh) + 2.5vh) var(--pad) 4.5vh;
  overflow: hidden;
}
.arch__caption {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.02em;
  color: var(--ink-40);
  max-width: 62ch;
  line-height: 1.7;
}
.arch__flow {
  position: relative;
  display: grid;
  gap: clamp(0.3rem, 1.1vh, 0.9rem);
  padding-left: clamp(2rem, 5vw, 4rem);
}
.arch__spine {
  position: absolute;
  left: clamp(0.55rem, 1.4vw, 1.1rem);
  top: 0.6rem;
  bottom: 0.6rem;
  width: 1px;
  background: var(--line-soft);
}
.arch__spine b {
  position: absolute;
  inset: 0;
  background: var(--ink-40);
  transform: scaleY(0);
  transform-origin: top;
  will-change: transform;
}
.arch__packet {
  position: absolute;
  left: clamp(0.55rem, 1.4vw, 1.1rem);
  top: 0;
  width: 7px;
  height: 7px;
  margin-left: -3px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--accent) 18%, transparent);
  will-change: transform, opacity;
  opacity: 0;
}
.arch__node {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 18ch) minmax(0, 1fr);
  align-items: baseline;
  gap: clamp(1.5rem, 4vw, 4rem);
  padding: clamp(0.5rem, 1.4vh, 1rem) 0;
  border-bottom: 1px solid var(--line-soft);
  will-change: transform, opacity;
}
.arch__node::before {
  content: '';
  position: absolute;
  left: calc(clamp(2rem, 5vw, 4rem) * -1 + clamp(0.55rem, 1.4vw, 1.1rem));
  top: 50%;
  width: clamp(1.2rem, 3vw, 2.4rem);
  height: 1px;
  background: var(--line);
}
html.js:not(.rm) [data-arch-node] { opacity: 0.12; }
.arch__k {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.6vw, 2.2rem);
  font-weight: 500;
  font-stretch: 90%;
  letter-spacing: -0.04em;
  line-height: 1;
}
.arch__v {
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  letter-spacing: 0.04em;
  color: var(--ink-60);
}
.arch__counter {
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

/* ── throughput figures + pillars ───────────────────────────────────── */
.figs {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(5rem, 14vh, 11rem) var(--pad) clamp(3rem, 8vh, 6rem);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(2rem, 5vw, 5rem);
}
.fig { display: grid; gap: 1rem; padding-top: 1.6rem; border-top: 1px solid var(--line); }
html.js:not(.rm) [data-fig] { opacity: 0; }
.fig__n {
  display: flex;
  align-items: baseline;
  font-size: clamp(3rem, 8vw, 7.5rem);
  line-height: 0.84;
}
.fig__n b { font-family: var(--font-display); font-weight: 650; font-stretch: 78%; letter-spacing: -0.05em; font-variant-numeric: tabular-nums; }
.fig__n em { font-style: normal; font-size: 0.3em; color: var(--accent); }
.fig__l { font-size: var(--t-xs); color: var(--ink-60); max-width: 20ch; }

.pillars {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad) clamp(6rem, 18vh, 13rem);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(2rem, 5vw, 4.5rem);
}
.pillar {
  padding-top: clamp(1.4rem, 3.5vh, 2.2rem);
  border-top: 1px solid var(--line);
  display: grid;
  gap: 1rem;
  align-content: start;
}
.pillar h3 { transition: color 0.4s var(--ease); }
.pillar:hover h3 { color: var(--accent); }
.pillar h3 {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.2vw, 1.9rem);
  font-weight: 500;
  font-stretch: 92%;
  letter-spacing: -0.035em;
}
.pillar p { font-size: var(--t-sm); color: var(--ink-60); }
.pillar .chips { margin-top: auto; padding-top: 0.6rem; }

/* ── 07 · THE SHIFT ─────────────────────────────────────────────────── */
.shift__track { height: 300vh; }
.shift__stage {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100svh;
  display: grid;
  place-items: center;
  padding: 0 var(--pad);
  overflow: hidden;
}
.shift__line {
  position: absolute;
  max-width: 24ch;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 5vw, 4.6rem);
  font-weight: 450;
  font-stretch: 90%;
  line-height: 1.02;
  letter-spacing: -0.04em;
  text-align: center;
  will-change: transform, opacity;
}
html.js:not(.rm) .shift__line { opacity: 0; }
.shift__line--b { font-weight: 550; }

.shift__doc {
  width: min(960px, 90vw);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: clamp(1.4rem, 3.4vw, 2.6rem) 0;
  display: grid;
  gap: 1.6rem;
  will-change: transform, opacity;
}
html.js:not(.rm) .shift__doc { opacity: 0; }
.doc__rows { display: grid; gap: 0.7rem; font-family: var(--font-mono); font-size: clamp(0.74rem, 1.5vw, 1.16rem); }
.doc__rows p { display: grid; grid-template-columns: 2.6rem minmax(0, 1fr); gap: 1.6rem; align-items: baseline; }
.doc__i { color: var(--ink-20); }
.doc__c { color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.doc__c--stack { position: relative; height: 1.7em; overflow: hidden; }
.doc__c--stack .dv {
  position: absolute;
  left: 0; top: 0;
  width: 100%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  will-change: transform, opacity;
}
/* the label names what the document has just become, so it carries real weight */
.doc__label {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.4vw, 1.9rem);
  font-weight: 500;
  font-stretch: 88%;
  letter-spacing: -0.02em;
  color: var(--accent);
  padding-top: 1.2rem;
  border-top: 1px solid var(--line-soft);
}

/* ── mobile · part 2 ─────────────────────────────────────────────────── */
@media (max-width: 980px) {
  .collab__stage { grid-template-columns: 1fr; align-content: center; gap: 2.5rem; }
  .modern__split { grid-template-columns: 1fr; }
  /* The cell grid is square and sizes from its width. A fixed bar height — left
     over from an earlier progress-bar treatment — made it overflow and the
     chapter text rendered straight on top of it. */
  .modern__bar { gap: 1.4rem; }
  .modern__cells { max-width: 260px; }
  .record__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .figs, .pillars { grid-template-columns: 1fr; }
  .perf__gauges { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 860px) {
  .growth { height: 150vh; }
  .collab { height: 190vh; }
  .collab__vis { display: none; }
  .perf__track { height: 200vh; }
  .arch { height: 260vh; }
  .arch__node { grid-template-columns: 1fr; gap: 0.15rem; }
  .arch__node::before { top: 0.9rem; }
  .shift__track { height: 250vh; }
  .chapter__meta p { flex-direction: column; gap: 0.2rem; }
  .chapter__meta span:last-child { text-align: left; color: var(--ink-20); }
}

/* ── reduced motion · part 2 ─────────────────────────────────────────── */
html.rm .growth,
html.rm .collab,
html.rm .perf__track,
html.rm .arch,
html.rm .shift__track { height: auto; }
html.rm .growth__stage,
html.rm .collab__stage,
html.rm .perf__stage,
html.rm .arch__stage,
html.rm .shift__stage {
  position: static;
  height: auto;
  min-height: 0;
  padding: clamp(3rem, 9vh, 7rem) var(--pad);
  overflow: visible;
}
html.rm .growth__bars { display: none; }
html.rm .shift__stage { display: grid; gap: 2.5rem; justify-items: center; }
html.rm .shift__line { position: static; }
html.rm [data-record-item],
html.rm [data-fig],
html.rm [data-arch-node] { opacity: 1; }
html.rm .cv__wires path { stroke-dasharray: none !important; stroke-dashoffset: 0 !important; }