:root {
  --bg: #050607;
  --bg-soft: #0c0e11;
  --panel: rgba(245, 236, 220, 0.022);
  --panel-strong: rgba(245, 236, 220, 0.048);
  --line: rgba(244, 231, 210, 0.12);
  --line-soft: rgba(244, 231, 210, 0.07);
  --ink: #f3f3ef;
  --muted: #b9bbb8;
  --muted-strong: #818580;
  --accent: #d8aa62;
  --teal: #78c8c4;
  --olive: #99a777;
  --rose: #b88b95;
  --blue: #7c8ece;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.42);
  --serif: "Average", "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  --sans: "Avenir Next", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --mono: "SFMono-Regular", Menlo, Monaco, monospace;
  --lab: #e9ebe8;
  --lab-ink: #0a0c0e;
  --radius-xl: 34px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 12% -8%, rgba(216, 170, 98, 0.1), transparent 28%),
    radial-gradient(circle at 88% 12%, rgba(120, 200, 196, 0.08), transparent 24%),
    linear-gradient(180deg, #040506 0%, #080a0d 46%, #050607 100%);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 15.5px;
  position: relative;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
}

body::before {
  background:
    linear-gradient(180deg, rgba(255, 244, 225, 0.015), transparent 18%, transparent 82%, rgba(255, 244, 225, 0.015)),
    repeating-linear-gradient(
      180deg,
      rgba(255, 245, 230, 0.012) 0,
      rgba(255, 245, 230, 0.012) 1px,
      transparent 1px,
      transparent 36px
    );
  opacity: 0.48;
}

body::after {
  background:
    radial-gradient(circle at 50% 24%, rgba(86, 114, 163, 0.08), transparent 24%),
    radial-gradient(circle at 62% 75%, rgba(205, 161, 100, 0.05), transparent 26%);
  mix-blend-mode: screen;
  opacity: 0.45;
}

.site-grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.055;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.56) 0 0.85px, transparent 1.2px),
    radial-gradient(circle at 70% 80%, rgba(255, 255, 255, 0.32) 0 0.8px, transparent 1.1px),
    radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.26) 0 0.65px, transparent 1px);
  background-size: 18px 18px, 22px 22px, 14px 14px;
}

a {
  color: inherit;
}

.site-header {
  width: min(1320px, calc(100% - 34px));
  margin: 14px auto 0;
}

.site-header__inner {
  position: relative;
  overflow: hidden;
  padding: 44px 42px 40px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 75% 44%, rgba(120, 200, 196, 0.08), transparent 28%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.008));
  box-shadow: 0 42px 120px rgba(0, 0, 0, 0.38);
}

.site-header__inner::before,
.site-header__inner::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.site-header__inner::before {
  inset: 14px 0 auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(244, 231, 210, 0.22), transparent);
}

.site-header__inner::after {
  inset: auto 0 8px;
  height: 160px;
  background:
    radial-gradient(circle at 76% 46%, rgba(205, 161, 100, 0.08), transparent 34%),
    linear-gradient(180deg, transparent, rgba(255, 243, 220, 0.02));
}

.site-kicker,
.chapter-number,
.player-row__badge,
.dossier-kicker,
.source-row__label p {
  margin: 0;
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(520px, 1.1fr);
  gap: 8px;
  align-items: center;
  min-height: 520px;
}

.hero-copy {
  position: relative;
  z-index: 3;
}

.hero-copy h1,
.chapter-heading h2,
.dossier-head h2 {
  margin: 0;
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 0.92;
}

.hero-copy h1 {
  font-size: clamp(4.3rem, 8.4vw, 7.3rem);
  max-width: 6.6ch;
  font-family: var(--sans);
  font-weight: 500;
  letter-spacing: -0.078em;
  line-height: 0.84;
}

.hero-dek,
.chapter-copy p,
.chapter-intro,
.contents-note p,
.figure-panel p,
.signal-card p,
.essay-block p,
.player-row__summary,
.player-row__meta p,
.dossier-summary,
.dossier-block p,
.dossier-facts p,
.source-row__body p,
.glossary-row p,
.landscape-column-head p,
.landscape-row-head p,
.market-legend__note p,
.landscape-empty {
  color: var(--muted);
  line-height: 1.62;
}

.hero-dek {
  font-size: 1.04rem;
  max-width: 60ch;
  margin: 16px 0 0;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: 20px;
  font-family: var(--sans);
  font-size: 0.67rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-strong);
}

.hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.hero-meta span::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 12px rgba(206, 161, 100, 0.42);
}

.filter-chip,
.player-tags span,
.legend-item,
.source-row__label span {
  font-family: var(--sans);
  font-size: 0.78rem;
}

.hero-visual {
  display: grid;
  justify-items: center;
  gap: 12px;
  align-self: stretch;
  align-content: center;
  perspective: 1200px;
}

.hero-visual p {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted-strong);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-scene {
  --tilt-x: 0deg;
  --tilt-y: 0deg;
  --shift-x: 0px;
  --shift-y: 0px;
  position: relative;
  width: min(720px, 58vw);
  aspect-ratio: 1.78 / 1;
  margin-left: -42px;
  isolation: isolate;
  transform-style: preserve-3d;
  transform: rotateX(var(--tilt-x)) rotateY(var(--tilt-y)) translate3d(var(--shift-x), var(--shift-y), 0);
  transition: transform 360ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.hero-scene::before,
.hero-scene::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.hero-scene::before {
  inset: 5% 2% 0 26%;
  z-index: 2;
  border-radius: 50%;
  background: radial-gradient(circle, transparent 35%, rgba(113, 168, 168, 0.08) 62%, transparent 72%);
  filter: blur(10px);
  animation: hero-breathe 6s ease-in-out infinite;
}

.hero-scene::after {
  inset: auto 8% 5% 22%;
  height: 14%;
  z-index: -1;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.72);
  filter: blur(26px);
  transform: translateZ(-30px);
}

.hero-scene img {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  border-radius: 34px;
  mix-blend-mode: normal;
  filter: saturate(0.88) contrast(1.08) brightness(0.92);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 36px 100px rgba(0, 0, 0, 0.5);
  animation: hero-drift 9s ease-in-out infinite;
}

.hero-scene__orbit {
  position: absolute;
  z-index: 3;
  border: 1px solid rgba(244, 231, 210, 0.13);
  border-radius: 999px;
  pointer-events: none;
  transform-style: preserve-3d;
}

.hero-scene__orbit--one {
  inset: 15% 4% 13% 29%;
  transform: rotate(-13deg) rotateY(24deg) translateZ(32px);
  animation: orbit-one 12s ease-in-out infinite;
}

.hero-scene__orbit--two {
  inset: 26% 14% 23% 40%;
  border-color: rgba(113, 168, 168, 0.24);
  transform: rotate(28deg) rotateX(58deg) translateZ(58px);
  animation: orbit-two 10s ease-in-out infinite;
}

.hero-scene__scan {
  position: absolute;
  z-index: 4;
  top: 18%;
  bottom: 15%;
  left: 62%;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(206, 161, 100, 0.74), transparent);
  box-shadow: 0 0 18px rgba(206, 161, 100, 0.4);
  animation: scene-scan 5.5s ease-in-out infinite;
}

.hero-scene__node {
  position: absolute;
  z-index: 5;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 5px rgba(206, 161, 100, 0.08), 0 0 18px rgba(206, 161, 100, 0.62);
  animation: node-pulse 3.8s ease-in-out infinite;
}

.hero-scene__node--one { top: 29%; left: 69%; }
.hero-scene__node--two { top: 54%; left: 81%; animation-delay: -1.2s; background: var(--teal); }
.hero-scene__node--three { top: 68%; left: 60%; animation-delay: -2.4s; }

@keyframes hero-drift {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(0, -8px, 14px) scale(1.012); }
}

@keyframes hero-breathe {
  0%, 100% { opacity: 0.48; transform: scale(0.96); }
  50% { opacity: 0.9; transform: scale(1.04); }
}

@keyframes orbit-one {
  0%, 100% { transform: rotate(-13deg) rotateY(24deg) translateZ(32px); }
  50% { transform: rotate(-6deg) rotateY(32deg) translateZ(42px); }
}

@keyframes orbit-two {
  0%, 100% { transform: rotate(28deg) rotateX(58deg) translateZ(58px); }
  50% { transform: rotate(38deg) rotateX(64deg) translateZ(68px); }
}

@keyframes scene-scan {
  0%, 100% { opacity: 0; transform: translateX(-86px); }
  20%, 80% { opacity: 0.85; }
  50% { transform: translateX(96px); }
}

@keyframes node-pulse {
  0%, 100% { opacity: 0.45; transform: translateZ(60px) scale(0.8); }
  50% { opacity: 1; transform: translateZ(60px) scale(1.25); }
}

.chapter-rail {
  position: sticky;
  top: 10px;
  z-index: 30;
  width: min(1460px, calc(100% - 34px));
  margin: 0 auto 0;
}

.chapter-rail__inner {
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0;
  padding: 10px 4px 6px;
  background: linear-gradient(180deg, rgba(8, 10, 15, 0.92), rgba(8, 10, 15, 0.72));
  backdrop-filter: blur(10px);
}

.chapter-rail__inner::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 16px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(244, 231, 210, 0.2), transparent);
}

.chapter-rail__inner::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(244, 231, 210, 0.08), transparent);
}

.chapter-rail__inner a {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: center;
  align-content: start;
  gap: 8px;
  flex: 1 1 0;
  text-decoration: none;
  font-family: var(--sans);
  font-size: 0.6rem;
  line-height: 1.05;
  letter-spacing: 0.02em;
  color: var(--muted-strong);
  padding: 0 2px;
  text-align: center;
  white-space: nowrap;
  transition: color 160ms ease, opacity 160ms ease;
}

.chapter-rail__inner a::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  border: 1px solid rgba(244, 231, 210, 0.28);
  background: rgba(8, 10, 15, 0.92);
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.chapter-rail__inner a.chapter-rail__minor {
  font-size: 0.54rem;
  color: rgba(185, 172, 151, 0.82);
}

.chapter-rail__inner a:hover,
.chapter-rail__inner a.is-active {
  color: var(--ink);
}

.chapter-rail__inner a:hover::before,
.chapter-rail__inner a.is-active::before {
  border-color: rgba(215, 170, 97, 0.75);
  background: rgba(215, 170, 97, 0.88);
  transform: scale(1.12);
}

.document {
  width: min(1260px, calc(100% - 34px));
  margin: 24px auto 96px;
}

.article-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  position: relative;
  min-width: 0;
}

.chapter {
  border-top: 1px solid var(--line);
  padding: 76px 0 44px;
  min-width: 0;
}

.chapter--contents {
  border-top: none;
  padding-top: 10px;
}

.chapter-heading {
  display: grid;
  gap: 6px;
  margin-bottom: 18px;
}

.chapter-heading h2 {
  font-family: var(--sans);
  font-size: clamp(2.55rem, 5.2vw, 4.8rem);
  font-weight: 500;
  letter-spacing: -0.06em;
  line-height: 0.94;
}

.chapter-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 420px);
  gap: clamp(42px, 6vw, 82px);
  align-items: start;
}

.chapter-copy {
  max-width: 790px;
}

.chapter-layout--wide {
  grid-template-columns: minmax(0, 1fr);
}

.chapter-layout--wide .chapter-copy {
  max-width: 1080px;
}

.chapter-copy p,
.chapter-intro,
.contents-note p,
.signal-card p,
.essay-block p,
.player-row__summary,
.player-row__meta p,
.dossier-summary,
.dossier-block p,
.dossier-facts p,
.source-row__body p,
.glossary-row p {
  margin: 0;
  font-size: 0.98rem;
}

.chapter-copy p + p,
.contents-note p + p,
.dossier-block p + p {
  margin-top: 16px;
}

.chapter-intro {
  max-width: 820px;
}

.section-kicker,
.brief-card__eyebrow,
.ecosystem-card__kicker {
  margin: 0;
  font-family: var(--sans);
  font-size: 0.67rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.field-brief {
  margin-top: 42px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background:
    radial-gradient(circle at 92% 0%, rgba(113, 168, 168, 0.08), transparent 28%),
    linear-gradient(145deg, rgba(245, 236, 220, 0.035), rgba(245, 236, 220, 0.012));
  box-shadow: var(--shadow);
}

.field-brief__topline {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 26px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line-soft);
}

.field-brief__topline h3,
.ecosystem-section__head h3 {
  margin: 6px 0 0;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 400;
  letter-spacing: -0.025em;
}

.coverage-stats {
  display: flex;
  gap: 22px;
}

.coverage-stats p {
  display: grid;
  gap: 3px;
  margin: 0;
  min-width: 82px;
}

.coverage-stats strong {
  font-size: 1.6rem;
  font-weight: 400;
  color: var(--ink);
}

.coverage-stats span,
.maturity-strip span,
.maturity-strip small {
  font-family: var(--sans);
  font-size: 0.65rem;
  color: var(--muted-strong);
}

.field-brief__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.brief-card {
  position: relative;
  padding: 24px 22px 22px 0;
}

.brief-card + .brief-card {
  padding-left: 22px;
  border-left: 1px solid var(--line-soft);
}

.brief-card::before {
  content: "";
  display: block;
  width: 28px;
  height: 2px;
  margin-bottom: 16px;
  background: var(--accent);
  box-shadow: 0 0 12px rgba(206, 161, 100, 0.28);
}

.brief-card--teal::before { background: var(--teal); }
.brief-card--rose::before { background: var(--rose); }
.brief-card--blue::before { background: var(--blue); }

.brief-card h4,
.ecosystem-card h4 {
  margin: 8px 0 10px;
  font-size: 1.18rem;
  font-weight: 400;
  color: var(--ink);
}

.brief-card > p:last-child,
.ecosystem-card > p {
  margin: 0;
  color: var(--muted);
  line-height: 1.58;
}

.maturity-strip {
  display: grid;
  grid-template-columns: 1.25fr repeat(4, minmax(0, 1fr));
  margin-top: 4px;
  border-top: 1px solid var(--line-soft);
}

.maturity-strip__label,
.maturity-strip__item {
  display: grid;
  align-content: center;
  min-height: 66px;
  padding: 12px 16px;
  border-right: 1px solid var(--line-soft);
}

.maturity-strip__label { padding-left: 0; }
.maturity-strip__label span { color: var(--ink); }
.maturity-strip__item:last-child { border-right: 0; }

.maturity-strip__item strong {
  font-size: 1.28rem;
  font-weight: 400;
}

.maturity-strip__item--commercial strong { color: var(--teal); }
.maturity-strip__item--human-clinical strong { color: var(--accent); }
.maturity-strip__item--early-human strong { color: var(--rose); }
.maturity-strip__item--research strong { color: var(--blue); }

.lead {
  font-size: 1.1rem;
  color: var(--ink) !important;
}

.chapter-aside {
  position: relative;
}

.chapter-visual {
  position: sticky;
  top: 78px;
  min-height: 270px;
  overflow: hidden;
  padding: 12px 0 0;
  display: grid;
  place-items: center;
}

.chapter-visual::before {
  content: "";
  position: absolute;
  left: 0;
  right: 14%;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(206, 161, 100, 0.56), transparent);
}

.essay-block h3,
.signal-card h3,
.player-row h3,
.dossier-block h3,
.glossary-row h3,
.source-row__body h3,
.contents-note h3 {
  margin: 0 0 10px;
  font-size: 1.2rem;
  font-weight: 400;
  line-height: 1.1;
}

.figure-list,
.figure-bullets,
.dossier-list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.62;
}

.figure-list li + li,
.figure-bullets li + li,
.dossier-list li + li {
  margin-top: 8px;
}

.contents-layout {
  max-width: 1040px;
}

.contents-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 28px;
}

.contents-list a {
  padding: 10px 0 12px;
  border-bottom: 1px solid var(--line-soft);
  text-decoration: none;
  color: var(--muted);
  transition: color 160ms ease, transform 160ms ease;
}

.contents-list a:hover {
  color: var(--ink);
  transform: translateX(2px);
}

.contents-note {
  padding-left: 18px;
  border-left: 1px solid var(--line);
}

.signal-strip,
.primer-list,
.essay-list,
.glossary-list,
.player-index,
.timeline-list,
.sources-list {
  display: grid;
  gap: 16px;
}

.signal-strip {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 18px;
}

.signal-card,
.essay-block,
.glossary-row,
.source-row,
.timeline-item {
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
}

.essay-block--tight h3 {
  font-size: 1.12rem;
}

.chapter-visual::after {
  content: "";
  position: absolute;
  inset: 22px 16px 8px 48px;
  border-radius: 999px 0 0 999px;
  border: 1px solid rgba(244, 231, 210, 0.05);
  border-right: 0;
  pointer-events: none;
}

.chapter-visual--status,
.chapter-visual--questions,
.chapter-visual--pathways,
.chapter-visual--wedges,
.chapter-visual--evidence,
.chapter-visual--timeline,
.chapter-visual--bottleneck,
.chapter-visual--forecast,
.chapter-visual--tension {
  background:
    radial-gradient(circle at 74% 26%, rgba(206, 161, 100, 0.06), transparent 28%),
    linear-gradient(180deg, rgba(255, 245, 230, 0.018), transparent 72%);
}

.status-rings,
.status-beams,
.pathway-trace,
.timeline-arc,
.bottleneck-pulse,
.forecast-lines,
.tension-orbit {
  position: absolute;
}

.status-rings {
  width: 210px;
  height: 210px;
}

.status-rings span,
.tension-orbit span {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(244, 231, 210, 0.11);
}

.status-rings span:nth-child(2),
.tension-orbit span:nth-child(2) {
  inset: 16%;
  border-color: rgba(113, 168, 168, 0.16);
}

.status-rings span:nth-child(3),
.tension-orbit span:nth-child(3) {
  inset: 34%;
  border-color: rgba(206, 161, 100, 0.2);
}

.status-beams {
  width: 220px;
  height: 120px;
}

.status-beams span {
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(244, 231, 210, 0.16), transparent);
}

.status-beams span:nth-child(1) { top: 12%; }
.status-beams span:nth-child(2) { top: 36%; }
.status-beams span:nth-child(3) { top: 60%; }
.status-beams span:nth-child(4) { top: 84%; }

.chapter-visual--stack,
.chapter-visual--burden {
  padding-left: 42px;
  padding-right: 10px;
}

.stack-visual,
.burden-ladder {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 8px;
  width: 100%;
}

.stack-visual div,
.burden-ladder div {
  padding: 8px 0;
  border-bottom: 1px solid rgba(244, 231, 210, 0.08);
  font-family: var(--sans);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--muted-strong);
  text-transform: uppercase;
}

.question-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  width: 100%;
  padding-left: 48px;
}

.question-grid span {
  display: grid;
  place-items: center;
  min-height: 78px;
  border: 1px solid rgba(244, 231, 210, 0.08);
  border-radius: 18px;
  font-family: var(--sans);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted-strong);
  background: rgba(255, 245, 230, 0.015);
}

.pathway-trace {
  left: 82px;
  right: 46px;
  top: 42px;
  bottom: 28px;
}

.pathway-trace::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, rgba(244, 231, 210, 0.08), rgba(244, 231, 210, 0.22), rgba(244, 231, 210, 0.05));
}

.pathway-trace span {
  position: absolute;
  left: 0;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1px solid rgba(244, 231, 210, 0.18);
  background: rgba(12, 14, 18, 0.9);
  box-shadow: inset 0 0 0 5px rgba(206, 161, 100, 0.12);
}

.pathway-trace span:nth-child(1) { top: 0; }
.pathway-trace span:nth-child(2) { top: 24%; }
.pathway-trace span:nth-child(3) { top: 48%; }
.pathway-trace span:nth-child(4) { top: 72%; }
.pathway-trace span:nth-child(5) { bottom: 0; }

.landscape-prism {
  position: relative;
  width: 250px;
  height: 190px;
  perspective: 900px;
  transform-style: preserve-3d;
  transform: rotateX(58deg) rotateZ(-28deg);
  animation: prism-float 8s ease-in-out infinite;
}

.landscape-prism span {
  --layer: 0;
  --layer-color: var(--blue);
  position: absolute;
  inset: 26px 24px;
  border: 1px solid color-mix(in srgb, var(--layer-color) 58%, transparent);
  border-radius: 22px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--layer-color) 12%, transparent), rgba(7, 9, 13, 0.42));
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.24), inset 0 0 28px color-mix(in srgb, var(--layer-color) 5%, transparent);
  transform: translateZ(calc(var(--layer) * 24px));
  backdrop-filter: blur(3px);
}

.landscape-prism span::after {
  content: attr(data-label);
  position: absolute;
  left: 15px;
  bottom: 12px;
  color: color-mix(in srgb, var(--layer-color) 72%, white);
  font-family: var(--sans);
  font-size: 0.54rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.landscape-prism span:nth-child(2) { --layer: 1; --layer-color: var(--teal); }
.landscape-prism span:nth-child(3) { --layer: 2; --layer-color: var(--ink); }
.landscape-prism span:nth-child(4) { --layer: 3; --layer-color: var(--olive); }
.landscape-prism span:nth-child(5) { --layer: 4; --layer-color: var(--accent); }

@keyframes prism-float {
  0%, 100% { transform: rotateX(58deg) rotateZ(-28deg) translate3d(0, 0, 0); }
  50% { transform: rotateX(62deg) rotateZ(-22deg) translate3d(0, -8px, 14px); }
}

.wedge-bars,
.evidence-ladder,
.forecast-lines,
.bottleneck-pulse {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 12px;
  width: 100%;
  padding-left: 52px;
}

.wedge-bars span,
.evidence-ladder span,
.forecast-lines span,
.bottleneck-pulse span {
  display: block;
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(113, 168, 168, 0.18), rgba(206, 161, 100, 0.18));
}

.wedge-bars span:nth-child(1) { width: 42%; }
.wedge-bars span:nth-child(2) { width: 68%; }
.wedge-bars span:nth-child(3) { width: 84%; }
.wedge-bars span:nth-child(4) { width: 58%; }

.evidence-ladder span:nth-child(1) { width: 38%; }
.evidence-ladder span:nth-child(2) { width: 54%; }
.evidence-ladder span:nth-child(3) { width: 72%; }
.evidence-ladder span:nth-child(4) { width: 92%; }

.timeline-arc {
  left: 58px;
  right: 32px;
  top: 44px;
  bottom: 40px;
}

.timeline-arc::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  background: linear-gradient(90deg, rgba(244, 231, 210, 0.08), rgba(244, 231, 210, 0.18), rgba(244, 231, 210, 0.08));
}

.timeline-arc span {
  position: absolute;
  top: calc(50% - 8px);
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1px solid rgba(244, 231, 210, 0.18);
  background: rgba(12, 14, 18, 0.9);
}

.timeline-arc span:nth-child(1) { left: 0; }
.timeline-arc span:nth-child(2) { left: 24%; }
.timeline-arc span:nth-child(3) { left: 48%; box-shadow: inset 0 0 0 5px rgba(113, 168, 168, 0.18); }
.timeline-arc span:nth-child(4) { left: 72%; }
.timeline-arc span:nth-child(5) { right: 0; box-shadow: inset 0 0 0 5px rgba(206, 161, 100, 0.18); }

.bottleneck-pulse span:nth-child(1) { width: 96%; }
.bottleneck-pulse span:nth-child(2) { width: 72%; }
.bottleneck-pulse span:nth-child(3) { width: 46%; }
.bottleneck-pulse span:nth-child(4) { width: 24%; }

.forecast-lines span {
  height: 1px;
  position: relative;
  background: linear-gradient(90deg, rgba(244, 231, 210, 0.08), rgba(244, 231, 210, 0.18));
}

.forecast-lines span::after {
  content: "";
  position: absolute;
  right: 0;
  top: -4px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(206, 161, 100, 0.78);
}

.forecast-lines span:nth-child(1) { width: 34%; margin-top: 30px; }
.forecast-lines span:nth-child(2) { width: 52%; margin-left: 12%; }
.forecast-lines span:nth-child(3) { width: 70%; margin-left: 20%; }
.forecast-lines span:nth-child(4) { width: 88%; margin-left: 8%; }

.tension-orbit {
  width: 230px;
  height: 230px;
}

.table-wrap,
.market-visual {
  margin-top: 28px;
}

.table-wrap {
  max-width: 100%;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
}

.comparison-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  border-top: 1px solid var(--line);
}

.comparison-table th,
.comparison-table td {
  padding: 14px 12px 14px 0;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

.comparison-table th {
  font-family: var(--sans);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.comparison-table td {
  color: var(--muted);
  line-height: 1.56;
}

.market-map {
  margin-top: 8px;
}

.landscape-toolbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 20px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line-soft);
}

.landscape-toolbar__eyebrow,
.landscape-summary {
  margin: 0;
  font-family: var(--sans);
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.landscape-toolbar__eyebrow { color: var(--accent); }
.landscape-summary { color: var(--muted-strong); text-align: right; }
.landscape-filters { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }

.landscape-scroll {
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  padding-bottom: 12px;
  scrollbar-color: rgba(206, 161, 100, 0.32) transparent;
}

.landscape-scroll:focus-visible {
  outline: 1px solid rgba(206, 161, 100, 0.55);
  outline-offset: 5px;
}

.landscape-matrix {
  display: grid;
  grid-template-columns: 190px repeat(5, minmax(164px, 1fr));
  min-width: 1080px;
  border: 1px solid var(--line);
  border-radius: 22px;
  overflow: hidden;
  background:
    radial-gradient(circle at 100% 0, rgba(206, 161, 100, 0.06), transparent 30%),
    rgba(7, 9, 13, 0.72);
  box-shadow: 0 26px 80px rgba(0, 0, 0, 0.2);
}

.landscape-axis,
.landscape-column-head,
.landscape-row-head,
.landscape-cell {
  padding: 16px;
  border-right: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.landscape-axis {
  display: grid;
  align-content: space-between;
  min-height: 154px;
  background: rgba(255, 245, 230, 0.025);
}

.landscape-axis span,
.landscape-axis strong,
.landscape-column-head span {
  font-family: var(--sans);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.landscape-axis span { color: var(--muted-strong); }
.landscape-axis strong { color: var(--accent); font-weight: 500; }

.landscape-column-head {
  position: relative;
  min-height: 154px;
  background: linear-gradient(180deg, rgba(255, 245, 230, 0.038), rgba(255, 245, 230, 0.012));
}

.landscape-column-head::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 2px;
  background: linear-gradient(180deg, var(--path-color), transparent 78%);
  opacity: 0.68;
}

.landscape-column-head span { color: var(--path-color); }
.landscape-column-head strong { display: block; margin-top: 10px; font-size: 1.03rem; line-height: 1.15; }
.landscape-column-head p { margin: 9px 0 0; font-size: 0.75rem; line-height: 1.42; }

.landscape-column-head--noninvasive { --path-color: var(--blue); }
.landscape-column-head--peripheral { --path-color: var(--teal); }
.landscape-column-head--surface { --path-color: var(--ink); }
.landscape-column-head--targeted-implant { --path-color: var(--olive); }
.landscape-column-head--deep-implant { --path-color: var(--accent); }

.landscape-row {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: 190px repeat(5, minmax(164px, 1fr));
}

.landscape-row[hidden] { display: none; }

.landscape-row-head {
  position: sticky;
  left: 0;
  z-index: 4;
  min-height: 152px;
  background: rgba(10, 12, 17, 0.97);
  box-shadow: 12px 0 22px rgba(0, 0, 0, 0.12);
}

.landscape-row-head strong { font-size: 0.98rem; line-height: 1.22; }
.landscape-row-head p { margin: 10px 0 0; font-size: 0.75rem; line-height: 1.42; }

.landscape-cell {
  display: grid;
  align-content: start;
  gap: 8px;
  min-height: 152px;
  background: linear-gradient(140deg, rgba(255, 245, 230, 0.008), transparent 60%);
}

.landscape-company {
  position: relative;
  display: grid;
  gap: 7px;
  width: 100%;
  padding: 11px 11px 12px;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  background: rgba(255, 245, 230, 0.025);
  color: inherit;
  text-align: left;
  cursor: pointer;
  transform: translateZ(0);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.landscape-company::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 2px;
  background: var(--company-color);
}

.landscape-company:hover,
.landscape-company:focus-visible {
  z-index: 2;
  outline: none;
  border-color: color-mix(in srgb, var(--company-color) 48%, transparent);
  background: rgba(255, 245, 230, 0.052);
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.22);
  transform: perspective(600px) rotateX(2deg) rotateY(-2deg) translate3d(0, -3px, 12px);
}

.landscape-company--frontier { --company-color: var(--accent); }
.landscape-company--therapeutic { --company-color: var(--teal); }
.landscape-company--sensory { --company-color: var(--olive); }
.landscape-company--infrastructure { --company-color: var(--rose); }
.landscape-company--consumer { --company-color: var(--blue); }

.landscape-company__topline { display: flex; align-items: start; justify-content: space-between; gap: 8px; }
.landscape-company__topline strong { font-size: 0.86rem; line-height: 1.15; }
.landscape-company > span:last-child { color: var(--muted); font-family: var(--sans); font-size: 0.64rem; line-height: 1.35; }
.landscape-company .company-stage { gap: 0; flex: 0 0 auto; }
.landscape-empty { align-self: center; margin: auto; font-family: var(--sans); font-size: 0.65rem; font-style: italic; opacity: 0.48; }

.market-legend__note strong {
  display: block;
  margin-bottom: 6px;
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.pathway-list {
  display: grid;
  gap: 24px;
}

.pathway-band {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.pathway-band__meta {
  display: grid;
  align-content: start;
  gap: 8px;
}

.pathway-band__index,
.pathway-band__burden,
.pathway-group__head h4 {
  margin: 0;
  font-family: var(--sans);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.pathway-band__index {
  color: var(--muted-strong);
}

.pathway-band__meta h3 {
  margin: 0;
  font-size: 1.38rem;
  line-height: 1.12;
}

.pathway-band__burden {
  color: var(--accent);
}

.pathway-band__note,
.pathway-group__head p,
.market-legend__note p {
  font-size: 0.9rem;
}

.pathway-band__note,
.pathway-group__head p {
  color: var(--muted);
  line-height: 1.5;
}

.pathway-band__groups {
  display: grid;
  gap: 18px;
}

.pathway-group {
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
}

.pathway-group:first-child {
  padding-top: 0;
  border-top: 0;
}

.pathway-group__head {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  margin-bottom: 12px;
}

.pathway-group__head h4 {
  color: var(--ink);
}

.pathway-group__head p {
  margin: 0;
}

.pathway-company-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 18px;
}

.pathway-company {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 12px;
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.pathway-company__copy {
  padding-top: 4px;
}

.pathway-company__copy strong {
  display: block;
  margin-bottom: 6px;
  font-size: 0.98rem;
  line-height: 1.18;
  transition: color 160ms ease;
}

.pathway-company__copy p {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.42;
}

.pathway-company:hover .pathway-company__copy strong,
.pathway-company:focus-visible .pathway-company__copy strong {
  color: var(--accent);
}

.pathway-company:focus-visible {
  outline: none;
}

.pathway-company--frontier strong { color: var(--accent); }
.pathway-company--therapeutic strong { color: var(--teal); }
.pathway-company--sensory strong { color: var(--olive); }
.pathway-company--infrastructure strong { color: var(--rose); }
.pathway-company--consumer strong { color: var(--blue); }

.pathway-band--noninvasive .pathway-band__meta h3 { color: var(--blue); }
.pathway-band--peripheral .pathway-band__meta h3 { color: var(--teal); }
.pathway-band--surface .pathway-band__meta h3 { color: var(--ink); }
.pathway-band--targeted-implant .pathway-band__meta h3 { color: var(--olive); }
.pathway-band--deep-implant .pathway-band__meta h3 { color: var(--accent); }

.pathway-company .product-media {
  margin: 0;
}

.pathway-company .product-media--mini img {
  aspect-ratio: 5 / 4;
}

.market-legend {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 24px;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.market-legend__items {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.market-legend__note {
  max-width: 340px;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.tracker-summary {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  margin-top: 26px;
  padding: 16px 0;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  color: var(--muted-strong);
}

.tracker-summary p { margin: 0; }
.tracker-summary p:first-child { display: grid; }
.tracker-summary strong { font-size: 2rem; font-weight: 400; color: var(--ink); }
.tracker-summary span,
.tracker-summary p:last-child { font-family: var(--sans); font-size: 0.72rem; line-height: 1.5; }
.tracker-summary p:last-child { max-width: 52ch; text-align: right; }

.company-stage {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.68rem;
  font-weight: 500;
  line-height: 1.35;
}

.company-stage::before {
  content: "";
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  border-radius: 999px;
  background: var(--blue);
  box-shadow: 0 0 9px rgba(124, 142, 206, 0.35);
}

.company-stage--commercial::before { background: var(--teal); box-shadow: 0 0 9px rgba(113, 168, 168, 0.4); }
.company-stage--human-clinical::before { background: var(--accent); box-shadow: 0 0 9px rgba(206, 161, 100, 0.4); }
.company-stage--early-human::before { background: var(--rose); box-shadow: 0 0 9px rgba(184, 139, 149, 0.4); }

.pathway-company .company-stage {
  margin-top: 8px;
  color: var(--muted-strong);
  font-size: 0.62rem;
}

.filter-chip {
  padding: 8px 13px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: none;
  color: var(--muted-strong);
  cursor: pointer;
}

.filter-chip.is-active {
  color: var(--ink);
  border-color: rgba(215, 170, 97, 0.55);
  background: rgba(215, 170, 97, 0.08);
}

.market-note {
  margin-top: 16px;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

.filter-explainer {
  margin: 10px 0 0;
  min-height: 1.6em;
  color: var(--muted-strong);
  font-family: var(--sans);
  font-size: 0.76rem;
  letter-spacing: 0.02em;
  line-height: 1.5;
}

.filter-explainer[hidden] {
  display: none;
}

.player-row {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr) 220px;
  gap: 24px;
  padding: 22px 0;
  border-top: 1px solid var(--line-soft);
}

.player-row__visual-col {
  display: grid;
  gap: 12px;
  align-content: start;
}

.product-media {
  display: grid;
  gap: 6px;
  margin: 0;
  position: relative;
  perspective: 900px;
}

.product-media img {
  display: block;
  width: 100%;
  object-fit: cover;
  border: 0;
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(255, 252, 244, 0.03), rgba(255, 252, 244, 0.012));
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.22);
  transform: translateZ(0);
  transition: transform 260ms ease, box-shadow 260ms ease, filter 260ms ease;
}

.product-media:hover img {
  filter: saturate(1.04) contrast(1.03);
  box-shadow: 0 22px 42px rgba(0, 0, 0, 0.3);
  transform: perspective(900px) rotateX(1.5deg) rotateY(-2deg) translate3d(0, -3px, 12px);
}

.product-media__provenance {
  position: absolute;
  z-index: 2;
  top: 9px;
  left: 9px;
  padding: 5px 8px;
  border: 1px solid rgba(244, 231, 210, 0.16);
  border-radius: 999px;
  background: rgba(7, 9, 13, 0.76);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 0.56rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  backdrop-filter: blur(10px);
}

.product-media figcaption,
.product-media__empty-copy {
  color: var(--muted-strong);
  font-family: var(--sans);
  font-size: 0.68rem;
  line-height: 1.4;
}

.product-media figcaption a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--line-soft);
}

.product-media--mini img {
  aspect-ratio: 4 / 3;
}

.product-media--card img {
  aspect-ratio: 4 / 3;
}

.product-media--modal img {
  aspect-ratio: 4 / 3;
}

.product-media--empty {
  padding: 14px;
  border: 0;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 252, 244, 0.03), rgba(255, 252, 244, 0.012));
}

.product-media__empty-copy strong {
  display: block;
  margin-bottom: 4px;
  color: var(--ink);
}

.player-row__snapshot {
  display: grid;
  gap: 8px;
}

.player-row__snapshot p,
.dossier-facts p {
  margin: 0;
  color: var(--muted);
  line-height: 1.48;
}

.player-row__snapshot span,
.dossier-facts span {
  display: block;
  margin-bottom: 3px;
  font-family: var(--sans);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.player-row__main {
  min-width: 0;
}

.player-row__header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
}

.player-row__header h3 {
  margin: 0;
  font-size: 1.82rem;
}

.player-row__name {
  padding: 0;
  border: 0;
  background: none;
  color: var(--ink);
  font: inherit;
  letter-spacing: inherit;
  text-align: left;
  cursor: pointer;
  transition: color 160ms ease, opacity 160ms ease;
}

.player-row__name:hover,
.player-row__name:focus-visible {
  color: var(--accent);
  outline: none;
}

.player-row__name:focus-visible {
  box-shadow: 0 2px 0 rgba(215, 170, 97, 0.8);
}

.player-row__header h3,
.player-row__badge {
  margin-bottom: 6px;
}

.player-row__blurb {
  color: var(--ink);
  margin: 14px 0 0;
}

.player-row__summary {
  margin-top: 10px;
}

.player-row__meta {
  display: grid;
  align-content: start;
  gap: 16px;
}

.player-row__meta strong {
  display: block;
  margin-bottom: 6px;
  font-family: var(--sans);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.player-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.player-tags span {
  padding: 0;
  border-radius: 0;
  border: 0;
  color: var(--muted-strong);
  background: none;
  font-size: 0.72rem;
}

.player-tags span::before {
  content: "/";
  margin-right: 6px;
  color: rgba(244, 231, 210, 0.26);
}

.ecosystem-section {
  margin-top: 58px;
  padding-top: 34px;
  border-top: 1px solid var(--line);
}

.ecosystem-section__head {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(300px, 1.1fr);
  column-gap: 42px;
  align-items: end;
  margin-bottom: 24px;
}

.ecosystem-section__head .section-kicker,
.ecosystem-section__head h3 { grid-column: 1; }

.ecosystem-section__head > p:last-child {
  grid-column: 2;
  grid-row: 1 / span 2;
  margin: 0;
  color: var(--muted);
  line-height: 1.62;
}

.ecosystem-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
}

.ecosystem-card {
  grid-column: span 2;
  min-height: 260px;
  padding: 22px;
  border: 1px solid var(--line-soft);
  border-radius: 18px;
  background: linear-gradient(155deg, rgba(245, 236, 220, 0.028), rgba(245, 236, 220, 0.008));
}

.ecosystem-card:nth-child(4),
.ecosystem-card:nth-child(5) { grid-column: span 3; }

.ecosystem-card__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.ecosystem-card__links a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 10px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.7rem;
  text-decoration: none;
  transition: color 160ms ease, border-color 160ms ease, background 160ms ease;
}

.ecosystem-card__links a:hover,
.ecosystem-card__links a:focus-visible {
  color: var(--ink);
  border-color: rgba(206, 161, 100, 0.5);
  background: rgba(206, 161, 100, 0.06);
  outline: none;
}

.timeline-item {
  display: grid;
  grid-template-columns: 24px 84px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  position: relative;
}

.timeline-item__rail {
  position: relative;
  height: 100%;
}

.timeline-item__rail::after {
  content: "";
  position: absolute;
  left: 11px;
  top: 14px;
  bottom: -18px;
  width: 1px;
  background: var(--line);
}

.timeline-item:last-child .timeline-item__rail::after {
  display: none;
}

.timeline-item__dot {
  position: relative;
  z-index: 1;
  display: block;
  width: 22px;
  height: 22px;
  border-radius: 999px;
  border: 1px solid rgba(215, 170, 97, 0.45);
  background: rgba(206, 161, 100, 0.1);
  box-shadow: inset 0 0 0 5px rgba(206, 161, 100, 0.18);
}

.timeline-item__year {
  font-size: 1.58rem;
  color: var(--accent);
  padding-top: 2px;
}

.timeline-item__body h3 {
  margin: 0 0 10px;
  font-size: 1.24rem;
}

.chapter--research .chapter-intro {
  max-width: 860px;
}

.research-list {
  display: grid;
  gap: 28px;
  margin-top: 24px;
}

.research-track {
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
}

.research-track__head {
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
}

.research-track__kicker {
  margin: 0;
  font-family: var(--sans);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

.research-track h3 {
  margin: 0;
  font-size: 1.44rem;
  line-height: 1.16;
}

.research-track__body {
  max-width: 860px;
}

.research-track__body p {
  margin: 0 0 12px;
  color: var(--muted);
}

.research-track__body p:last-child {
  margin-bottom: 0;
}

.research-paper-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 28px;
  margin-top: 18px;
}

.research-paper {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 14px;
  padding-top: 10px;
  border-top: 1px solid rgba(255, 247, 232, 0.08);
}

.research-paper__meta {
  display: grid;
  gap: 4px;
  align-content: start;
}

.research-paper__meta span {
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.research-paper__meta p {
  margin: 0;
  color: var(--muted-strong);
  font-size: 0.68rem;
  line-height: 1.35;
}

.research-paper__body h4 {
  margin: 0 0 6px;
  font-size: 0.98rem;
  line-height: 1.24;
}

.research-paper__body p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.48;
}

.endgame-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 26px;
  margin-top: 18px;
}

.endgame-columns > div {
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
}

.chapter--glossary .glossary-list {
  max-width: 860px;
  gap: 8px;
}

.chapter--sources .chapter-intro,
.chapter--sources .sources-list {
  max-width: 860px;
}

.chapter--sources .chapter-intro {
  font-size: 0.88rem;
  line-height: 1.46;
}

.chapter--sources .sources-list {
  gap: 8px;
}

.glossary-row {
  display: grid;
  grid-template-columns: 128px minmax(0, 1fr);
  gap: 10px;
  padding-top: 8px;
}

.glossary-row h3 {
  font-size: 0.92rem;
  margin: 0;
}

.chapter--glossary .glossary-row {
  border-top-color: rgba(255, 247, 232, 0.06);
}

.chapter--glossary .glossary-row p {
  font-size: 0.88rem;
  line-height: 1.46;
}

.source-row {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 10px;
  padding-top: 8px;
}

.source-row__label {
  display: flex;
  align-items: start;
}

.source-row__label span {
  display: inline-flex;
  width: fit-content;
  padding: 0;
  border-radius: 0;
  border: 0;
  color: var(--accent);
}

.chapter--sources .source-row {
  border-top-color: rgba(255, 247, 232, 0.06);
}

.chapter--sources .source-row__body h3 {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.22;
}

.source-row__body h3 a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}

.source-row__body h3 a:hover,
.source-row__body h3 a:focus-visible {
  color: var(--accent);
  border-color: rgba(206, 161, 100, 0.45);
  outline: none;
}

.cite-inline a {
  color: var(--accent);
  text-decoration: none;
}

.company-modal {
  width: min(1120px, calc(100% - 36px));
  border: 1px solid rgba(244, 231, 210, 0.1);
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(13, 14, 19, 0.985), rgba(9, 10, 15, 0.965)),
    repeating-linear-gradient(
      180deg,
      rgba(255, 245, 230, 0.012) 0,
      rgba(255, 245, 230, 0.012) 34px,
      transparent 34px,
      transparent 35px
    );
  color: var(--ink);
  padding: 18px 22px 28px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
}

.company-modal::backdrop {
  background: rgba(0, 0, 0, 0.62);
  backdrop-filter: blur(6px);
}

.company-modal__close-row {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 8px;
}

.company-modal__close {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: none;
  color: var(--muted);
  cursor: pointer;
}

.dossier-head {
  display: grid;
  gap: 14px;
  padding: 8px 0 18px;
  border-bottom: 1px solid var(--line);
}

.dossier-head h2 {
  font-size: clamp(2.55rem, 6vw, 4rem);
}

.dossier-intro {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 24px;
  padding: 22px 0 20px;
  border-bottom: 1px solid var(--line-soft);
}

.dossier-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
  align-content: start;
}

.dossier-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 24px;
  margin-top: 18px;
}

.dossier-block {
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
}

.dossier-block--wide {
  grid-column: 1 / -1;
}

/* MotionSites-inspired product-studio scenes */
.chapter-scene {
  --scene-x: 0deg;
  --scene-y: 0deg;
  position: sticky;
  top: 84px;
  display: grid;
  min-height: 0;
  aspect-ratio: 0.88;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  background: #080a0d;
  box-shadow: 0 42px 120px rgba(0, 0, 0, 0.46);
  isolation: isolate;
  transform: perspective(1200px) rotateX(var(--scene-x)) rotateY(var(--scene-y));
  transform-style: preserve-3d;
  transition: transform 420ms cubic-bezier(0.2, 0.72, 0.2, 1), box-shadow 420ms ease;
}

.chapter-scene:hover {
  box-shadow: 0 54px 150px rgba(0, 0, 0, 0.56);
}

.chapter-scene::before,
.chapter-scene::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

.chapter-scene::before {
  background:
    linear-gradient(90deg, transparent 49.8%, rgba(255, 255, 255, 0.08) 50%, transparent 50.2%),
    linear-gradient(180deg, transparent 49.8%, rgba(255, 255, 255, 0.08) 50%, transparent 50.2%);
  mix-blend-mode: screen;
  opacity: 0.54;
}

.chapter-scene::after {
  background:
    radial-gradient(circle at 72% 32%, rgba(120, 200, 196, 0.11), transparent 30%),
    linear-gradient(180deg, transparent 58%, rgba(2, 3, 5, 0.78) 100%);
}

.chapter-scene img {
  position: absolute;
  inset: -3%;
  z-index: 1;
  width: 106%;
  height: 106%;
  object-fit: cover;
  transform: translateZ(10px) scale(1.01);
  animation: section-scene-drift 14s ease-in-out infinite;
}

.chapter-scene figcaption {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 22px;
  z-index: 4;
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 18px;
  background: rgba(5, 7, 9, 0.64);
  backdrop-filter: blur(18px);
  transform: translateZ(36px);
}

.chapter-scene figcaption span,
.chapter-scene--constraint > p span {
  font-family: var(--sans);
  font-size: 0.61rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.chapter-scene figcaption strong {
  font-family: var(--sans);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: -0.015em;
  color: #f5f6f2;
}

.chapter-scene--light {
  border-color: rgba(255, 255, 255, 0.55);
  background: var(--lab);
  box-shadow: 0 42px 120px rgba(0, 0, 0, 0.32);
}

.chapter-scene--light::before {
  background:
    linear-gradient(90deg, transparent 49.8%, rgba(9, 11, 13, 0.12) 50%, transparent 50.2%),
    linear-gradient(180deg, transparent 49.8%, rgba(9, 11, 13, 0.12) 50%, transparent 50.2%);
  mix-blend-mode: multiply;
}

.chapter-scene--light::after {
  background: linear-gradient(180deg, transparent 64%, rgba(12, 14, 16, 0.28));
}

.chapter-scene--prism {
  aspect-ratio: 1.1;
  place-items: center;
  background:
    radial-gradient(circle at 50% 36%, rgba(120, 200, 196, 0.1), transparent 28%),
    radial-gradient(circle at 56% 60%, rgba(216, 170, 98, 0.09), transparent 34%),
    #07090b;
}

.chapter-scene--prism::after {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(0, 0, 0, 0.32));
}

.chapter-scene--constraint {
  aspect-ratio: 0.9;
  background:
    radial-gradient(circle at 50% 50%, rgba(216, 170, 98, 0.08), transparent 28%),
    #07090b;
}

.constraint-field {
  position: absolute;
  inset: 18% -12%;
  z-index: 1;
  display: grid;
  align-content: center;
  gap: 25px;
  transform: perspective(700px) rotateY(-12deg) rotateZ(-3deg);
}

.constraint-field span {
  position: relative;
  height: 2px;
  background: linear-gradient(90deg, transparent 2%, rgba(120, 200, 196, 0.62) 40%, rgba(216, 170, 98, 0.9) 50%, rgba(120, 200, 196, 0.46) 62%, transparent 96%);
  box-shadow: 0 0 16px rgba(120, 200, 196, 0.18);
  animation: constraint-flow 3.8s ease-in-out infinite;
}

.constraint-field span:nth-child(2) { animation-delay: -0.7s; }
.constraint-field span:nth-child(3) { animation-delay: -1.4s; }
.constraint-field span:nth-child(4) { animation-delay: -2.1s; }
.constraint-field span:nth-child(5) { animation-delay: -2.8s; }

.constraint-gate {
  position: absolute;
  z-index: 3;
  inset: 13% 42%;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: rgba(3, 4, 6, 0.9);
  box-shadow: 0 0 0 14px rgba(3, 4, 6, 0.55), 0 0 50px rgba(216, 170, 98, 0.13);
}

.chapter-scene--constraint > p {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 22px;
  z-index: 5;
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin: 0;
}

@keyframes section-scene-drift {
  0%, 100% { transform: translate3d(0, 0, 10px) scale(1.01); }
  50% { transform: translate3d(-1.4%, -1%, 22px) scale(1.045); }
}

@keyframes constraint-flow {
  0%, 100% { opacity: 0.38; transform: scaleX(0.96); }
  50% { opacity: 1; transform: scaleX(1.03); }
}

/* The light field brief is the page's product-studio counterpoint. */
.field-brief {
  margin-top: 54px;
  padding: 34px;
  border: 0;
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 92% 10%, rgba(120, 200, 196, 0.22), transparent 24%),
    linear-gradient(135deg, #f3f4f1, #dfe3df);
  color: var(--lab-ink);
  box-shadow: 0 48px 140px rgba(0, 0, 0, 0.38);
}

.field-brief__topline,
.field-brief .brief-card + .brief-card,
.field-brief .brief-card:nth-child(3),
.field-brief .brief-card:nth-child(4),
.field-brief .maturity-strip,
.field-brief .maturity-strip__label,
.field-brief .maturity-strip__item {
  border-color: rgba(8, 10, 12, 0.13);
}

.field-brief h3,
.field-brief h4,
.field-brief .coverage-stats strong,
.field-brief .maturity-strip__label span {
  color: var(--lab-ink);
}

.field-brief .brief-card > p:last-child,
.field-brief .coverage-stats span,
.field-brief .maturity-strip span,
.field-brief .maturity-strip small {
  color: rgba(10, 12, 14, 0.67);
}

.field-brief .section-kicker,
.field-brief .brief-card__eyebrow {
  color: #7d5724;
}

#concept-list,
#usecase-list,
#next-step-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

#concept-list .essay-block,
#usecase-list .essay-block,
#next-step-list .essay-block {
  min-height: 210px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  background:
    radial-gradient(circle at 100% 0%, rgba(120, 200, 196, 0.055), transparent 34%),
    rgba(255, 255, 255, 0.018);
  transition: transform 320ms cubic-bezier(0.2, 0.72, 0.2, 1), border-color 320ms ease, background 320ms ease;
}

#concept-list .essay-block:hover,
#usecase-list .essay-block:hover,
#next-step-list .essay-block:hover {
  transform: translateY(-5px);
  border-color: rgba(120, 200, 196, 0.24);
  background: rgba(255, 255, 255, 0.032);
}

#timeline .chapter-copy {
  max-width: 1100px;
}

#timeline .timeline-item {
  grid-template-columns: 32px 120px minmax(0, 1fr);
  padding: 22px 24px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.016);
}

#endgame {
  position: relative;
  padding-bottom: 80px;
}

#endgame .chapter-scene {
  aspect-ratio: 0.8;
}

.motion-ready .chapter-scene {
  opacity: 0;
  transform: perspective(1200px) translate3d(0, 30px, 0) rotateX(3deg);
  transition: opacity 900ms ease, transform 900ms cubic-bezier(0.2, 0.72, 0.2, 1);
}

.motion-ready .chapter-scene.is-revealed {
  opacity: 1;
  transform: perspective(1200px) rotateX(var(--scene-x)) rotateY(var(--scene-y));
}

/* Continuous editorial flow */
:root {
  --reading-progress: 0%;
}

html,
body {
  overflow-x: clip;
}

.site-header {
  margin-top: 0;
}

.site-header__inner {
  overflow: visible;
  padding-top: 62px;
  border: 0;
  border-radius: 0;
  background:
    radial-gradient(circle at 77% 43%, rgba(120, 200, 196, 0.09), transparent 31%),
    radial-gradient(circle at 24% 30%, rgba(216, 170, 98, 0.055), transparent 28%);
  box-shadow: none;
}

.site-header__inner::before {
  opacity: 0.42;
}

.site-header__inner::after {
  height: 220px;
  background: linear-gradient(180deg, transparent, rgba(8, 10, 13, 0.34));
}

.hero-layout {
  min-height: 610px;
}

.hero-enter {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-top: 30px;
  padding: 0 0 10px;
  border-bottom: 1px solid rgba(243, 243, 239, 0.32);
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink);
  transition: border-color 220ms ease, gap 220ms ease;
}

.hero-enter span {
  color: var(--accent);
  font-size: 1rem;
  animation: enter-drift 2.8s ease-in-out infinite;
}

.hero-enter:hover,
.hero-enter:focus-visible {
  gap: 20px;
  border-color: var(--accent);
}

@keyframes enter-drift {
  0%, 100% { transform: translateY(-2px); }
  50% { transform: translateY(3px); }
}

.chapter-rail {
  top: 12px;
  width: min(1280px, calc(100% - 34px));
  margin-top: -6px;
}

.chapter-rail__inner {
  overflow: hidden;
  padding: 12px 10px 9px;
  border: 1px solid rgba(255, 255, 255, 0.075);
  border-radius: 18px;
  background: rgba(7, 9, 12, 0.76);
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(20px) saturate(120%);
}

.chapter-rail__inner::before {
  left: 10px;
  right: 10px;
  background: linear-gradient(90deg, transparent, rgba(243, 243, 239, 0.14), transparent);
}

.chapter-rail__inner::after {
  right: auto;
  width: var(--reading-progress);
  height: 2px;
  background: linear-gradient(90deg, var(--teal), var(--accent));
  box-shadow: 0 0 16px rgba(120, 200, 196, 0.32);
  transition: width 90ms linear;
}

.document {
  width: min(1320px, calc(100% - 34px));
  margin-top: 0;
}

.article-shell::before {
  content: "";
  position: absolute;
  z-index: 0;
  left: 15px;
  top: 112px;
  bottom: 180px;
  width: 1px;
  background: linear-gradient(
    180deg,
    transparent,
    rgba(120, 200, 196, 0.28) 9%,
    rgba(243, 243, 239, 0.1) 48%,
    rgba(216, 170, 98, 0.24) 88%,
    transparent
  );
}

.chapter {
  position: relative;
  z-index: 1;
  overflow: visible;
  padding: 88px 0 64px 58px;
  border-top: 0;
}

.chapter + .chapter {
  margin-top: 10px;
}

.chapter::before {
  content: "";
  position: absolute;
  left: 58px;
  top: 0;
  width: min(460px, 42vw);
  height: 1px;
  background: linear-gradient(90deg, rgba(243, 243, 239, 0.15), transparent);
}

#state-now::before {
  display: none;
}

.chapter::after {
  content: "";
  position: absolute;
  z-index: -2;
  top: 8%;
  right: -14%;
  width: 66%;
  height: 680px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(120, 200, 196, 0.045), transparent 68%);
  filter: blur(20px);
  pointer-events: none;
}

.chapter:nth-of-type(even)::after {
  right: auto;
  left: -18%;
  background: radial-gradient(circle, rgba(216, 170, 98, 0.035), transparent 68%);
}

.chapter-heading {
  position: relative;
  display: block;
  margin-bottom: 32px;
}

.chapter-heading h2 {
  max-width: 16ch;
}

.chapter-number {
  position: absolute;
  left: -58px;
  top: 7px;
  display: grid;
  place-items: center;
  width: 31px;
  height: 31px;
  border: 1px solid rgba(120, 200, 196, 0.28);
  border-radius: 50%;
  background: #07090b;
  color: var(--accent);
  font-size: 0.56rem;
  letter-spacing: 0.06em;
  box-shadow: 0 0 0 7px rgba(7, 9, 11, 0.72), 0 0 24px rgba(120, 200, 196, 0.09);
}

.chapter-copy p,
.chapter-intro,
.essay-block p,
.research-track__body p,
.research-paper__body p {
  line-height: 1.72;
}

.lead {
  font-size: 1.16rem;
  line-height: 1.65 !important;
}

.field-brief {
  position: relative;
  overflow: hidden;
  margin-top: 72px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  background:
    radial-gradient(circle at 90% 2%, rgba(120, 200, 196, 0.11), transparent 27%),
    radial-gradient(circle at 14% 100%, rgba(216, 170, 98, 0.07), transparent 30%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.012));
  color: var(--ink);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.04), 0 30px 90px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(18px);
}

.field-brief h3,
.field-brief h4,
.field-brief .coverage-stats strong,
.field-brief .maturity-strip__label span {
  color: var(--ink);
}

.field-brief .brief-card > p:last-child,
.field-brief .coverage-stats span,
.field-brief .maturity-strip span,
.field-brief .maturity-strip small {
  color: var(--muted);
}

.field-brief .section-kicker,
.field-brief .brief-card__eyebrow {
  color: var(--accent);
}

.field-brief__topline,
.field-brief .brief-card + .brief-card,
.field-brief .brief-card:nth-child(3),
.field-brief .brief-card:nth-child(4),
.field-brief .maturity-strip,
.field-brief .maturity-strip__label,
.field-brief .maturity-strip__item {
  border-color: rgba(255, 255, 255, 0.08);
}

.chapter-scene {
  overflow: visible;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.chapter-scene:hover {
  box-shadow: none;
}

.chapter-scene::before,
.chapter-scene::after,
.chapter-scene img {
  border-radius: 40px;
}

.chapter-scene::before {
  opacity: 0.22;
}

.chapter-scene::after {
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

.chapter-scene img {
  inset: 0;
  width: 100%;
  height: 100%;
}

.chapter-scene figcaption {
  left: 24px;
  right: 24px;
  bottom: 22px;
  padding: 14px 0 0;
  border: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 0;
  background: transparent;
  backdrop-filter: none;
}

.chapter-scene--prism,
.chapter-scene--constraint {
  overflow: hidden;
  border-radius: 40px;
  background:
    radial-gradient(circle at 50% 36%, rgba(120, 200, 196, 0.085), transparent 30%),
    radial-gradient(circle at 55% 66%, rgba(216, 170, 98, 0.06), transparent 34%);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.055);
}

#concept-list .essay-block,
#usecase-list .essay-block,
#next-step-list .essay-block {
  min-height: 0;
  padding: 28px 26px 30px 0;
  border: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 0;
  background: transparent;
}

#concept-list .essay-block:hover,
#usecase-list .essay-block:hover,
#next-step-list .essay-block:hover {
  transform: translateX(5px);
  border-color: rgba(120, 200, 196, 0.24);
  background: transparent;
}

#timeline .timeline-item {
  padding: 24px 0;
  border: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 0;
  background: transparent;
}

.ecosystem-card {
  border-color: rgba(255, 255, 255, 0.07);
  background: rgba(255, 255, 255, 0.008);
  box-shadow: none;
}

/* Explanatory diagrams: every visual should carry an argument. */
.chapter-scene--diagram {
  position: sticky;
  top: 84px;
  display: grid;
  align-content: start;
  aspect-ratio: 0.88;
  padding: 32px;
  overflow: hidden;
  border-radius: 40px;
  background:
    radial-gradient(circle at 82% 12%, rgba(120, 200, 196, 0.12), transparent 27%),
    radial-gradient(circle at 12% 92%, rgba(216, 170, 98, 0.08), transparent 30%),
    rgba(8, 10, 13, 0.72);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.075);
}

.chapter-scene--diagram::before {
  border-radius: inherit;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.022) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.62;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.8), transparent 86%);
}

.chapter-scene--diagram::after {
  border-radius: inherit;
  background: linear-gradient(180deg, transparent 68%, rgba(1, 2, 4, 0.5));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.065);
}

.chapter-scene--diagram > * {
  position: relative;
  z-index: 3;
}

.diagram-label {
  font-family: var(--sans);
  font-size: 0.64rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

.loop-diagram__steps {
  display: grid;
  margin: 25px 0 20px;
  padding: 0;
  list-style: none;
}

.loop-diagram__steps li {
  position: relative;
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  min-height: 70px;
  padding: 9px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.075);
}

.loop-diagram__steps li:last-child {
  border-bottom: 1px solid rgba(255, 255, 255, 0.075);
}

.loop-diagram__steps li::after {
  content: "";
  position: absolute;
  left: 15px;
  top: 51px;
  bottom: -20px;
  width: 1px;
  background: linear-gradient(var(--teal), var(--accent));
  opacity: 0.55;
}

.loop-diagram__steps li:last-child::after {
  display: none;
}

.loop-diagram__steps li > span {
  display: grid;
  place-items: center;
  width: 31px;
  height: 31px;
  border: 1px solid rgba(120, 200, 196, 0.38);
  border-radius: 50%;
  background: rgba(7, 9, 11, 0.9);
  font-family: var(--sans);
  font-size: 0.58rem;
  color: var(--accent);
}

.loop-diagram__steps strong,
.loop-diagram__steps small {
  display: block;
}

.loop-diagram__steps strong {
  margin-bottom: 4px;
  font-size: 1.05rem;
}

.loop-diagram__steps small,
.modality-diagram__rows small,
.outcome-diagram small {
  font-family: var(--sans);
  font-size: 0.67rem;
  letter-spacing: 0.03em;
  color: var(--muted);
}

.loop-diagram__return {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 13px 15px;
  border: 1px solid rgba(216, 170, 98, 0.2);
  border-radius: 14px;
  background: rgba(216, 170, 98, 0.045);
  font-family: var(--sans);
  font-size: 0.7rem;
  line-height: 1.35;
  color: var(--muted-strong);
}

.loop-diagram__return span {
  font-size: 1.25rem;
  color: var(--accent);
}

.modality-diagram__axis,
.evidence-map__scale {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin: 22px 0 14px;
  font-family: var(--sans);
  font-size: 0.56rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.modality-diagram__rows {
  display: grid;
  gap: 0;
}

.modality-diagram__rows > div {
  display: grid;
  grid-template-columns: 116px minmax(0, 1fr);
  grid-template-rows: auto auto;
  align-items: center;
  min-height: 59px;
  border-top: 1px solid rgba(255, 255, 255, 0.075);
}

.modality-diagram__rows > div > span {
  font-size: 0.88rem;
}

.modality-diagram__rows small {
  grid-column: 1;
}

.modality-diagram__rows i {
  position: relative;
  grid-column: 2;
  grid-row: 1 / 3;
  display: block;
  height: 2px;
  background: rgba(255, 255, 255, 0.09);
}

.modality-diagram__rows i::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--reach);
  background: linear-gradient(90deg, var(--teal), var(--accent));
  box-shadow: 0 0 12px rgba(120, 200, 196, 0.2);
}

.modality-diagram__rows i::after {
  content: "";
  position: absolute;
  left: var(--reach);
  top: 50%;
  width: 9px;
  height: 9px;
  border: 1px solid rgba(243, 243, 239, 0.65);
  border-radius: 50%;
  background: #090b0e;
  transform: translate(-50%, -50%);
}

.modality-diagram__note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.82rem;
  line-height: 1.45;
  color: var(--muted-strong);
}

.outcome-diagram__inputs {
  display: grid;
  gap: 10px;
  margin: 30px 0 18px;
}

.outcome-diagram__inputs > div {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 3px 13px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.075);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.018);
}

.outcome-diagram__inputs span {
  grid-row: 1 / 3;
  font-family: var(--sans);
  font-size: 0.62rem;
  color: var(--accent);
}

.outcome-diagram__inputs strong {
  font-size: 1rem;
}

.outcome-diagram__result {
  position: relative;
  display: grid;
  gap: 5px;
  padding: 24px 22px 22px;
  border: 1px solid rgba(120, 200, 196, 0.24);
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(120, 200, 196, 0.085), rgba(216, 170, 98, 0.045));
}

.outcome-diagram__result > span {
  position: absolute;
  right: 19px;
  top: 17px;
  font-size: 1.5rem;
  color: var(--teal);
}

.outcome-diagram__result strong {
  max-width: 10ch;
  font-size: 1.38rem;
  line-height: 1.05;
}

/* Research reads as an evidence briefing, not one very long narrow column. */
.research-intro-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(390px, 520px);
  gap: clamp(48px, 7vw, 88px);
  align-items: start;
  margin-bottom: 46px;
}

.research-intro-copy {
  max-width: 760px;
}

.research-intro-copy .chapter-intro + .chapter-intro {
  margin-top: 18px;
}

.evidence-map {
  position: relative;
  overflow: hidden;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.075);
  border-radius: 28px;
  background:
    radial-gradient(circle at 90% 5%, rgba(120, 200, 196, 0.095), transparent 30%),
    rgba(255, 255, 255, 0.012);
}

.evidence-map__rows {
  display: grid;
}

.evidence-map__rows > div {
  display: grid;
  grid-template-columns: 150px minmax(90px, 1fr);
  gap: 4px 16px;
  align-items: center;
  min-height: 52px;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.evidence-map__rows span {
  font-size: 0.78rem;
}

.evidence-map__rows i {
  position: relative;
  display: block;
  height: 2px;
  background: rgba(255, 255, 255, 0.09);
}

.evidence-map__rows i::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--evidence);
  background: linear-gradient(90deg, rgba(216, 170, 98, 0.72), var(--teal));
}

.evidence-map__rows i::after {
  content: "";
  position: absolute;
  left: var(--evidence);
  top: 50%;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ink);
  box-shadow: 0 0 0 3px rgba(120, 200, 196, 0.13);
  transform: translate(-50%, -50%);
}

.evidence-map__rows strong {
  grid-column: 2;
  font-family: var(--sans);
  font-size: 0.55rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.evidence-map > p {
  margin: 17px 0 0;
  padding-top: 15px;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  font-size: 0.8rem;
  line-height: 1.48;
  color: var(--muted-strong);
}

.chapter--research .research-list {
  display: grid;
  gap: 0;
  margin-top: 0;
}

.chapter--research .research-track {
  display: grid;
  grid-template-columns: minmax(300px, 0.82fr) minmax(0, 1.18fr);
  grid-template-rows: auto 1fr;
  column-gap: clamp(50px, 7vw, 92px);
  padding: 46px 0 50px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.chapter--research .research-track:last-child {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.chapter--research .research-track__head {
  display: grid;
  grid-column: 1;
  grid-row: 1;
  gap: 18px;
  margin: 0 0 20px;
}

.research-track__count {
  width: max-content;
  padding: 6px 9px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  font-family: var(--sans);
  font-size: 0.55rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.chapter--research .research-track h3 {
  max-width: 17ch;
  margin-top: 8px;
  font-size: clamp(1.45rem, 2vw, 2rem);
  line-height: 1.08;
}

.chapter--research .research-track__body {
  grid-column: 1;
  grid-row: 2;
  max-width: 520px;
}

.chapter--research .research-track__body p {
  margin-bottom: 15px;
  font-size: 0.94rem;
  line-height: 1.64;
}

.chapter--research .research-paper-grid {
  display: grid;
  grid-template-columns: 1fr;
  grid-column: 2;
  grid-row: 1 / 3;
  align-content: start;
  gap: 0;
  margin-top: 0;
}

.chapter--research .research-paper {
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 18px;
  padding: 17px 0 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.075);
}

.chapter--research .research-paper:first-child {
  padding-top: 0;
  border-top: 0;
}

.chapter--research .research-paper__body h4 {
  margin-bottom: 7px;
  font-size: 1.02rem;
}

.chapter--research .research-paper__body p {
  font-size: 0.84rem;
  line-height: 1.5;
}

@media (max-width: 1100px) {
  .hero-layout,
  .chapter-layout,
  .contents-layout,
  .player-row,
  .endgame-columns,
  .dossier-intro,
  .dossier-grid {
    grid-template-columns: 1fr;
  }

  .figure-panel,
  .chapter-visual {
    position: static;
  }

  .chapter-scene,
  #endgame .chapter-scene {
    position: relative;
    top: auto;
    aspect-ratio: 16 / 9;
  }

  .chapter-scene--diagram,
  #endgame .chapter-scene--diagram {
    aspect-ratio: auto;
    min-height: 510px;
  }

  .research-intro-layout {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .research-intro-copy {
    max-width: 820px;
  }

  .hero-layout { min-height: 0; }
  .hero-visual { min-height: 430px; margin-top: -54px; }
  .hero-scene { width: min(760px, 92vw); margin-left: 0; }

  .chapter-visual {
    min-height: 200px;
    margin-top: 8px;
  }

  .contents-list,
  .signal-strip,
  .dossier-facts {
    grid-template-columns: 1fr;
  }

  .market-legend {
    flex-direction: column;
  }

  .field-brief__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .brief-card:nth-child(3) { padding-left: 0; border-left: 0; border-top: 1px solid var(--line-soft); }
  .brief-card:nth-child(4) { border-top: 1px solid var(--line-soft); }
  .ecosystem-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ecosystem-card,
  .ecosystem-card:nth-child(4),
  .ecosystem-card:nth-child(5) { grid-column: span 1; }
}

@media (max-width: 760px) {
  .site-header__inner {
    padding: 24px 20px 26px;
  }

  .hero-copy h1 {
    font-size: 3.3rem;
  }

  .hero-enter {
    margin-top: 22px;
  }

  .hero-visual { min-height: 270px; margin: -16px -28px 0; }
  .hero-scene { width: 116%; min-width: 430px; }
  .hero-visual p { position: relative; z-index: 6; margin-top: -26px; font-size: 0.58rem; }

  .chapter-heading h2 {
    font-size: 2.5rem;
  }

  .article-shell::before {
    display: none;
  }

  .chapter {
    padding: 58px 0 34px;
    scroll-margin-top: 72px;
  }

  .chapter::before {
    left: 0;
    width: 180px;
  }

  .chapter-heading {
    display: grid;
    grid-template-columns: 30px minmax(0, 1fr);
    gap: 10px;
    align-items: start;
    margin-bottom: 24px;
  }

  .chapter-number {
    position: static;
    width: 26px;
    height: 26px;
    margin-top: 2px;
    box-shadow: 0 0 0 5px rgba(7, 9, 11, 0.72);
  }

  .chapter-heading h2 {
    grid-column: 2;
  }

  .chapter-scene,
  #endgame .chapter-scene {
    aspect-ratio: 4 / 5;
    border-radius: 24px;
  }

  .chapter-scene--diagram,
  #endgame .chapter-scene--diagram {
    min-height: 0;
    aspect-ratio: auto;
    padding: 24px;
    border-radius: 24px;
  }

  .chapter-scene::before,
  .chapter-scene::after,
  .chapter-scene img {
    border-radius: 24px;
  }

  .chapter-scene figcaption {
    left: 14px;
    right: 14px;
    bottom: 14px;
  }

  .field-brief {
    margin-top: 48px;
  }

  #concept-list,
  #usecase-list,
  #next-step-list {
    grid-template-columns: 1fr;
  }

  #concept-list .essay-block,
  #usecase-list .essay-block,
  #next-step-list .essay-block {
    min-height: 0;
  }

  .chapter-copy p,
  .chapter-intro,
  .contents-note p,
  .figure-panel p,
  .signal-card p,
  .essay-block p,
  .research-track__body p,
  .research-paper__body p,
  .player-row__summary,
  .player-row__meta p,
  .dossier-summary,
  .dossier-block p,
  .dossier-facts p,
  .source-row__body p,
  .glossary-row p {
    font-size: 0.95rem;
  }

  .document,
  .site-header,
  .chapter-rail {
    width: min(1200px, calc(100% - 24px));
  }

  .chapter-rail__inner {
    justify-content: flex-start;
    gap: 6px;
    padding: 12px 10px 10px;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scroll-snap-type: x proximity;
    scrollbar-width: none;
  }

  .chapter-rail__inner::-webkit-scrollbar { display: none; }

  .chapter-rail__inner a {
    flex: 0 0 78px;
    font-size: 0.66rem;
    scroll-snap-align: start;
  }

  .chapter-rail__inner a.chapter-rail__minor {
    font-size: 0.61rem;
  }

  .field-brief { padding: 20px; border-radius: 20px; }
  .field-brief__topline,
  .tracker-summary { align-items: start; flex-direction: column; }
  .coverage-stats { width: 100%; justify-content: space-between; }
  .field-brief__grid,
  .maturity-strip,
  .ecosystem-grid,
  .ecosystem-section__head { grid-template-columns: 1fr; }
  .brief-card,
  .brief-card + .brief-card { padding: 20px 0; border-left: 0; border-top: 1px solid var(--line-soft); }
  .brief-card:first-child { border-top: 0; }
  .maturity-strip__label,
  .maturity-strip__item { grid-template-columns: 48px 1fr; align-items: center; border-right: 0; border-bottom: 1px solid var(--line-soft); padding-left: 0; }
  .maturity-strip__label { display: none; }
  .tracker-summary p:last-child { text-align: left; }
  .ecosystem-section__head > p:last-child { grid-column: 1; grid-row: auto; margin-top: 16px; }
  .ecosystem-card { min-height: 0; }

  .landscape-toolbar { align-items: start; flex-direction: column; }
  .landscape-summary { text-align: left; }
  .landscape-scroll { margin-right: -12px; padding-right: 12px; }
  .landscape-matrix { grid-template-columns: 146px repeat(5, 158px); min-width: 936px; }
  .landscape-row { grid-template-columns: 146px repeat(5, 158px); }
  .landscape-axis,
  .landscape-column-head,
  .landscape-row-head,
  .landscape-cell { padding: 13px; }
  .landscape-row-head { min-height: 142px; }
  .landscape-column-head { min-height: 150px; }

  .source-row,
  .timeline-item,
  .player-row {
    grid-template-columns: 1fr;
  }

  .timeline-item {
    grid-template-columns: 24px 1fr;
  }

  .timeline-item__year {
    grid-column: 2;
  }

  .timeline-item__body {
    grid-column: 2;
  }

  .chapter-visual {
    min-height: 170px;
    padding-top: 8px;
  }

  .chapter-visual::after {
    inset: 18px 8px 6px 32px;
  }

  .question-grid,
  .wedge-bars,
  .evidence-ladder,
  .forecast-lines,
  .bottleneck-pulse {
    padding-left: 32px;
  }

  .pathway-trace {
    left: 44px;
  }

  .pathway-band,
  .pathway-group__head,
  .pathway-company-list,
  .pathway-company {
    grid-template-columns: 1fr;
  }

  .pathway-band {
    gap: 18px;
  }

  .research-paper-grid,
  .research-paper {
    grid-template-columns: 1fr;
  }

  .chapter--research .research-track {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    row-gap: 0;
    padding: 34px 0 38px;
  }

  .chapter--research .research-track__head,
  .chapter--research .research-track__body,
  .chapter--research .research-paper-grid {
    grid-column: 1;
    grid-row: auto;
  }

  .chapter--research .research-track h3 {
    max-width: none;
    font-size: 1.42rem;
  }

  .chapter--research .research-track__body {
    max-width: none;
    margin-bottom: 16px;
  }

  .chapter--research .research-paper {
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 13px;
  }

  .research-intro-layout {
    gap: 26px;
    margin-bottom: 28px;
  }

  .evidence-map {
    padding: 22px;
    border-radius: 22px;
  }

  .evidence-map__rows > div {
    grid-template-columns: 116px minmax(70px, 1fr);
    gap: 4px 12px;
  }

  .evidence-map__rows span {
    font-size: 0.7rem;
  }

  .modality-diagram__rows > div {
    grid-template-columns: 104px minmax(0, 1fr);
  }

  .research-track h3 {
    font-size: 1.22rem;
  }

  .player-row__header {
    flex-direction: column;
  }

  .glossary-row,
  .source-row {
    grid-template-columns: 1fr;
  }
}

/* v23: preserve complete product renders instead of cropping mixed source ratios. */
.product-media--modal img,
.product-media--card img,
.product-media--mini img {
  object-fit: contain;
  object-position: center;
  transform: none;
  animation: none;
  background:
    radial-gradient(circle at 50% 42%, rgba(120, 155, 152, 0.08), transparent 54%),
    #080909;
}

.product-media {
  perspective: none;
  overflow: hidden;
  isolation: isolate;
}

.product-media:hover img {
  transform: none;
}

.product-media--modal img {
  border: 1px solid rgba(245, 242, 235, 0.1);
}

.product-media__provenance,
.company-modal::backdrop {
  backdrop-filter: none;
}

/* v24: diagrams that fit their containers, plus a more intentional hero. */
.landscape-lens {
  height: auto;
  min-height: 320px;
  aspect-ratio: auto;
  padding: 24px;
}

.landscape-lens__axes {
  display: grid;
  gap: 8px;
  margin: 18px 0 12px;
}

.landscape-lens__axes > div,
.landscape-lens__result {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  border: 1px solid rgba(245, 242, 235, 0.1);
  background: rgba(245, 242, 235, 0.018);
}

.landscape-lens__axes > div {
  min-height: 54px;
  padding: 9px 12px;
}

.landscape-lens__axes span,
.landscape-lens__result > span {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 1px solid rgba(120, 155, 152, 0.36);
  border-radius: 50%;
  color: var(--accent);
  font-family: var(--sans);
  font-size: 0.58rem;
}

.landscape-lens__axes strong,
.landscape-lens__axes small,
.landscape-lens__result strong,
.landscape-lens__result small {
  display: block;
}

.landscape-lens__axes strong,
.landscape-lens__result strong {
  margin-bottom: 2px;
  font-size: 1rem;
}

.landscape-lens__axes small,
.landscape-lens__result small {
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.66rem;
  line-height: 1.35;
}

.landscape-lens__result {
  min-height: 54px;
  padding: 9px 12px;
  border-color: rgba(120, 155, 152, 0.28);
  background: linear-gradient(90deg, rgba(120, 155, 152, 0.07), rgba(184, 154, 112, 0.035));
}

#endgame .outcome-diagram {
  height: auto;
  min-height: 0;
  aspect-ratio: auto;
  padding: 24px;
}

#endgame .outcome-diagram__inputs {
  gap: 8px;
  margin: 18px 0 12px;
}

#endgame .outcome-diagram__inputs > div {
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 2px 11px;
  padding: 11px 13px;
}

#endgame .outcome-diagram__inputs strong {
  font-size: 0.96rem;
}

#endgame .outcome-diagram__result {
  padding: 17px 18px 16px;
}

#endgame .outcome-diagram__result > span {
  top: 12px;
  right: 15px;
}

#endgame .outcome-diagram__result strong {
  font-size: 1.24rem;
}

.motion-ready .field-brief,
.motion-ready .ecosystem-card,
.motion-ready .player-row {
  opacity: 0;
  transform: translate3d(0, 22px, 0);
  transition: opacity 760ms ease, transform 760ms cubic-bezier(0.2, 0.72, 0.2, 1);
}

.motion-ready .field-brief.is-revealed,
.motion-ready .ecosystem-card.is-revealed,
.motion-ready .player-row.is-revealed {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .hero-scene,
  .hero-scene img,
  .chapter-scene,
  .chapter-scene img,
  .landscape-prism,
  .landscape-company,
  .product-media img {
    transform: none !important;
  }
}

/* Humanity's Last Machine-inspired editorial system: monochrome, classical, tactile. */
:root {
  --bg: #050505;
  --bg-soft: #0a0a0a;
  --panel: rgba(245, 242, 235, 0.018);
  --panel-strong: rgba(245, 242, 235, 0.038);
  --line: rgba(245, 242, 235, 0.16);
  --line-soft: rgba(245, 242, 235, 0.09);
  --ink: #f5f2eb;
  --muted: #b8b8b8;
  --muted-strong: #8f8f8c;
  --accent: #f5f2eb;
  --teal: #d8d5cd;
  --olive: #aaa9a4;
  --rose: #c4c1ba;
  --blue: #969a9d;
  --serif: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --radius-xl: 4px;
}

body {
  background:
    radial-gradient(circle at 50% -16%, rgba(245, 242, 235, 0.045), transparent 34%),
    linear-gradient(180deg, #050505, #070707 48%, #040404);
  font-size: 18px;
}

body::before {
  background:
    repeating-linear-gradient(0deg, rgba(245, 242, 235, 0.017) 0, rgba(245, 242, 235, 0.017) 1px, transparent 1px, transparent 4px),
    linear-gradient(180deg, rgba(245, 242, 235, 0.018), transparent 18%, transparent 82%, rgba(245, 242, 235, 0.014));
  opacity: 0.46;
}

body::after {
  background: radial-gradient(circle at 50% 45%, rgba(245, 242, 235, 0.025), transparent 38%);
  opacity: 0.54;
}

.site-grain {
  z-index: 100;
  opacity: 0.13;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.72) 0 0.65px, transparent 0.95px),
    radial-gradient(circle at 70% 80%, rgba(255, 255, 255, 0.48) 0 0.55px, transparent 0.9px),
    radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.34) 0 0.5px, transparent 0.8px);
  background-size: 11px 13px, 17px 19px, 7px 9px;
  mix-blend-mode: screen;
}

.site-header {
  width: min(1420px, calc(100% - 38px));
  min-height: min(820px, 100svh);
  margin-top: 0;
}

.site-header__inner {
  display: grid;
  align-content: start;
  min-height: min(820px, 100svh);
  padding: 48px 42px 0;
  border: 0;
  border-radius: 0;
  background: none;
  box-shadow: none;
}

.site-header__inner::before {
  inset: 22px 0 auto;
  background: linear-gradient(90deg, transparent, rgba(245, 242, 235, 0.14), transparent);
}

.site-header__inner::after {
  inset: auto 0 0;
  height: 180px;
  background: linear-gradient(180deg, transparent, rgba(5, 5, 5, 0.68));
}

.site-kicker {
  position: relative;
  z-index: 5;
  text-align: center;
  color: var(--muted);
}

.hero-layout {
  grid-template-columns: 1fr;
  grid-template-rows: auto minmax(300px, 1fr);
  justify-items: center;
  gap: 0;
  min-height: 690px;
  text-align: center;
}

.hero-copy {
  z-index: 6;
  max-width: 1000px;
  padding-top: 14px;
}

.hero-copy h1 {
  max-width: none;
  font-family: var(--serif);
  font-size: clamp(4.8rem, 6.5vw, 6.2rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 0.94;
  white-space: nowrap;
}

.hero-dek {
  max-width: 58ch;
  margin: 12px auto 0;
  font-size: 1.38rem;
  line-height: 1.42;
  color: var(--muted);
}

.hero-meta {
  justify-content: center;
  margin-top: 16px;
  color: var(--muted);
}

.hero-meta span::before {
  width: 4px;
  height: 4px;
  background: var(--ink);
  box-shadow: none;
}

.hero-enter {
  justify-content: center;
  margin: 24px auto 0;
  padding: 11px 22px 12px;
  border: 1px solid rgba(245, 242, 235, 0.74);
  background: var(--ink);
  color: #0a0a0a;
  font-family: var(--serif);
  font-size: 1rem;
  letter-spacing: 0;
  text-transform: none;
}

.hero-enter span {
  color: #0a0a0a;
}

.hero-enter:hover,
.hero-enter:focus-visible {
  gap: 14px;
  border-color: var(--ink);
  background: transparent;
  color: var(--ink);
}

.hero-enter:hover span,
.hero-enter:focus-visible span {
  color: var(--ink);
}

.hero-visual {
  align-self: end;
  min-height: 340px;
  margin-top: -36px;
}

.hero-scene {
  width: min(760px, 72vw);
  margin: 0 auto;
}

.hero-scene img {
  border: 0;
  border-radius: 0;
  box-shadow: none;
  filter: grayscale(1) sepia(0.1) contrast(1.34) brightness(1.02);
  opacity: 0.78;
  mix-blend-mode: screen;
  mask-image: radial-gradient(ellipse at center, #000 42%, rgba(0, 0, 0, 0.88) 64%, transparent 88%);
}

.hero-scene::after {
  display: none;
}

.hero-scene::before {
  background: radial-gradient(circle, transparent 35%, rgba(245, 242, 235, 0.07) 62%, transparent 72%);
}

.hero-scene__orbit,
.hero-scene__orbit--two {
  border-color: rgba(245, 242, 235, 0.16);
}

.hero-scene__scan {
  background: linear-gradient(180deg, transparent, rgba(245, 242, 235, 0.68), transparent);
  box-shadow: 0 0 16px rgba(245, 242, 235, 0.28);
}

.hero-scene__node,
.hero-scene__node--two {
  background: var(--ink);
  box-shadow: 0 0 0 5px rgba(245, 242, 235, 0.06), 0 0 16px rgba(245, 242, 235, 0.42);
}

.hero-visual p {
  font-family: var(--serif);
  font-size: 0.75rem;
  font-style: italic;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.chapter-rail {
  top: 14px;
  width: min(1400px, calc(100% - 38px));
  margin-top: -4px;
}

.chapter-rail__inner {
  padding: 12px 10px 9px;
  border: 1px solid rgba(245, 242, 235, 0.14);
  border-radius: 4px;
  background: rgba(5, 5, 5, 0.88);
  box-shadow: none;
  backdrop-filter: blur(16px);
}

.chapter-rail__inner::before {
  background: linear-gradient(90deg, transparent, rgba(245, 242, 235, 0.34), transparent);
}

.chapter-rail__inner::after {
  background: var(--ink);
  box-shadow: none;
}

.chapter-rail__inner a,
.chapter-rail__inner a.chapter-rail__minor {
  color: var(--muted);
}

.chapter-rail__inner a::before {
  border-color: rgba(245, 242, 235, 0.42);
  background: #050505;
}

.chapter-rail__inner a:hover::before,
.chapter-rail__inner a.is-active::before {
  border-color: var(--ink);
  background: var(--ink);
}

.document {
  width: min(1420px, calc(100% - 38px));
}

.article-shell::before {
  background: linear-gradient(180deg, transparent, rgba(245, 242, 235, 0.28) 9%, rgba(245, 242, 235, 0.12) 50%, rgba(245, 242, 235, 0.22) 88%, transparent);
}

.chapter {
  padding: 96px 0 76px 58px;
}

.chapter + .chapter {
  margin-top: 0;
}

.chapter::before {
  background: linear-gradient(90deg, rgba(245, 242, 235, 0.22), transparent);
}

.chapter::after,
.chapter:nth-of-type(even)::after {
  background: radial-gradient(circle, rgba(245, 242, 235, 0.026), transparent 68%);
}

.chapter-number {
  border-color: rgba(245, 242, 235, 0.34);
  border-radius: 50%;
  background: #050505;
  color: var(--ink);
  box-shadow: 0 0 0 7px rgba(5, 5, 5, 0.84);
}

.hero-copy h1,
.chapter-heading h2,
.dossier-head h2,
.research-track h3,
.essay-block h3,
.timeline-item__body h3,
.ecosystem-card h4,
.brief-card h4,
.source-row__body h3,
.landscape-column-head strong,
.landscape-row-head strong {
  font-family: var(--serif);
}

.chapter-heading h2 {
  max-width: 15ch;
  font-size: clamp(3.2rem, 4.8vw, 4.8rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 0.94;
}

.chapter-copy p,
.chapter-intro,
.essay-block p,
.research-track__body p,
.research-paper__body p,
.glossary-row p,
.source-row__body p {
  font-size: 1.14rem;
  line-height: 1.66;
  color: var(--muted);
}

.lead {
  font-size: 1.34rem;
  line-height: 1.5 !important;
}

.chapter--wide .chapter-copy > p,
.chapter--wide .chapter-copy > .chapter-intro {
  max-width: 780px;
}

.essay-block h3,
.timeline-item__body h3,
.research-paper__body h4,
.endgame-columns h3 {
  font-weight: 600;
}

.section-kicker,
.research-track__kicker,
.diagram-label,
.brief-card__eyebrow,
.ecosystem-card__kicker,
.dossier-kicker {
  color: var(--ink);
}

.field-brief,
.evidence-map,
.chapter-scene--diagram,
.chapter-scene--prism,
.chapter-scene--constraint,
.landscape-matrix,
.ecosystem-card,
.company-modal,
.product-media,
.product-media img,
.filter-chip,
.market-filter,
.landscape-company,
.outcome-diagram__inputs > div,
.outcome-diagram__result {
  border-radius: 3px;
}

.field-brief,
.evidence-map,
.chapter-scene--diagram,
.chapter-scene--prism,
.chapter-scene--constraint,
.ecosystem-card {
  background: rgba(245, 242, 235, 0.012);
  box-shadow: inset 0 0 0 1px rgba(245, 242, 235, 0.09);
  backdrop-filter: none;
}

.chapter-scene::before,
.chapter-scene::after,
.chapter-scene img {
  border-radius: 3px;
}

.chapter-scene--diagram::before {
  background-image:
    linear-gradient(rgba(245, 242, 235, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 242, 235, 0.025) 1px, transparent 1px);
}

.loop-diagram__steps li > span {
  border-color: rgba(245, 242, 235, 0.54);
  background: #050505;
}

.modality-diagram__rows i::after,
.evidence-map__rows i::after {
  border-color: var(--ink);
  background: var(--ink);
  box-shadow: 0 0 0 3px rgba(245, 242, 235, 0.09);
}

.modality-diagram__rows i::before,
.evidence-map__rows i::before,
.chapter-rail__inner::after {
  background: var(--ink);
}

.field-brief,
.evidence-map,
.chapter-scene--diagram,
.market-visual,
.ecosystem-section,
.table-wrap {
  border-color: rgba(245, 242, 235, 0.12);
}

.loop-diagram__return {
  border-color: rgba(245, 242, 235, 0.2);
  background: rgba(245, 242, 235, 0.018);
}

.filter-chip,
.market-filter,
.company-modal__close,
.legend-item,
.player-tags span {
  border-color: rgba(245, 242, 235, 0.22);
  border-radius: 0;
  background: transparent;
}

.filter-chip.is-active,
.market-filter[aria-pressed="true"] {
  border-color: var(--ink);
  background: var(--ink);
  color: #090909;
}

.chapter--sources .chapter-intro,
.chapter--sources .sources-list {
  max-width: 920px;
}

.chapter--sources .chapter-intro {
  font-size: 1.15rem;
}

.chapter--sources .sources-list {
  gap: 0;
  margin-top: 22px;
}

.chapter--sources .source-row {
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 12px;
  padding: 8px 0;
  border-top: 0;
}

.chapter--sources .source-row__body h3 {
  font-size: 1.08rem;
  font-weight: 400;
  line-height: 1.38;
}

.source-row__body h3 a {
  border-bottom-color: rgba(245, 242, 235, 0.56);
}

.product-media img {
  filter: grayscale(1) contrast(1.08) brightness(0.94);
  opacity: 0.9;
}

.cite-inline a,
.source-row__label span,
.research-paper__meta span,
.timeline-item__year {
  color: var(--ink);
}

/* Bottlenecks: show the actual translation gates, not an abstract signal field. */
.bottleneck-diagram {
  padding: 28px;
}

.bottleneck-diagram__flow {
  display: grid;
  justify-items: center;
  gap: 7px;
  margin-top: 22px;
}

.bottleneck-diagram__stage,
.bottleneck-diagram__gate {
  position: relative;
  display: grid;
  width: 88%;
}

.bottleneck-diagram__stage {
  grid-template-columns: 45px minmax(0, 1fr);
  gap: 2px 12px;
  padding: 10px 12px;
  border: 1px solid rgba(245, 242, 235, 0.16);
  background: rgba(245, 242, 235, 0.015);
}

.bottleneck-diagram__stage--start {
  width: 100%;
}

.bottleneck-diagram__stage:nth-child(5) {
  width: 80%;
}

.bottleneck-diagram__stage--result {
  width: 72%;
  border-color: rgba(245, 242, 235, 0.48);
  background: rgba(245, 242, 235, 0.075);
}

.bottleneck-diagram__stage > span {
  grid-row: 1 / 3;
  font-family: var(--sans);
  font-size: 0.55rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-strong);
}

.bottleneck-diagram__stage strong,
.bottleneck-diagram__stage small,
.bottleneck-diagram__gate span,
.bottleneck-diagram__gate small {
  display: block;
}

.bottleneck-diagram__stage strong {
  font-size: 0.96rem;
  line-height: 1.1;
}

.bottleneck-diagram__stage small,
.bottleneck-diagram__gate small {
  font-family: var(--sans);
  font-size: 0.58rem;
  line-height: 1.35;
  color: var(--muted);
}

.bottleneck-diagram__gate {
  width: 94%;
  padding: 2px 12px 3px;
  border-left: 1px solid rgba(245, 242, 235, 0.2);
}

.bottleneck-diagram__gate:nth-child(4) {
  width: 86%;
}

.bottleneck-diagram__gate:nth-child(6) {
  width: 78%;
}

.bottleneck-diagram__gate span {
  font-family: var(--sans);
  font-size: 0.55rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
}

.bottleneck-diagram__note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(245, 242, 235, 0.12);
  font-size: 0.78rem;
  line-height: 1.45;
  color: var(--muted);
}

@media (max-width: 1100px) {
  .site-header__inner {
    min-height: auto;
  }

  .hero-layout {
    min-height: 720px;
  }

  .hero-visual {
    min-height: 330px;
    margin-top: -22px;
  }

  .hero-scene {
    width: min(760px, 92vw);
  }

  .chapter-scene--diagram,
  #endgame .chapter-scene--diagram {
    min-height: 520px;
  }
}

@media (max-width: 760px) {
  body {
    font-size: 17px;
  }

  .site-header {
    min-height: 100svh;
  }

  .site-header__inner {
    min-height: 100svh;
    padding: 28px 12px 0;
  }

  .site-kicker {
    font-size: 0.62rem;
  }

  .hero-layout {
    min-height: calc(100svh - 48px);
  }

  .hero-copy {
    padding-top: 20px;
  }

  .hero-copy h1 {
    max-width: 6.5ch;
    margin: 0 auto;
    font-size: clamp(4rem, 20vw, 5.2rem);
    line-height: 0.82;
    white-space: normal;
  }

  .hero-dek {
    max-width: 29ch;
    margin-top: 20px;
    font-size: 1.16rem;
    line-height: 1.42;
  }

  .hero-meta {
    justify-content: center;
    gap: 6px 14px;
  }

  .hero-enter {
    margin-top: 22px;
  }

  .hero-visual {
    min-height: 255px;
    margin: -6px -16px 0;
  }

  .hero-scene {
    width: 118%;
    min-width: 0;
    margin: 0 auto;
  }

  .hero-visual p {
    margin-top: -18px;
  }

  .chapter-rail,
  .document,
  .site-header {
    width: calc(100% - 24px);
  }

  .chapter-rail__inner {
    border-radius: 2px;
  }

  .chapter {
    padding: 70px 0 48px;
  }

  .chapter-heading h2 {
    font-size: 3.15rem;
    line-height: 0.9;
  }

  .chapter-copy p,
  .chapter-intro,
  .essay-block p,
  .research-track__body p,
  .research-paper__body p,
  .glossary-row p,
  .source-row__body p {
    font-size: 1.05rem;
    line-height: 1.64;
  }

  .lead {
    font-size: 1.2rem;
  }

  .field-brief,
  .evidence-map,
  .chapter-scene--diagram,
  .chapter-scene--prism,
  .chapter-scene--constraint,
  .landscape-matrix,
  .ecosystem-card,
  .company-modal {
    border-radius: 2px;
  }

  .chapter-scene--diagram,
  #endgame .chapter-scene--diagram {
    min-height: 0;
  }

  .bottleneck-diagram {
    padding: 22px;
  }

  .bottleneck-diagram__stage {
    grid-template-columns: 40px minmax(0, 1fr);
  }
}

/* v22: tighter chapter rhythm with restrained mineral color. */
:root {
  --accent: #b89a70;
  --teal: #789b98;
  --olive: #8d967a;
  --rose: #9c7f86;
  --blue: #7d879e;
}

body {
  background:
    radial-gradient(circle at 14% -8%, rgba(120, 155, 152, 0.055), transparent 28%),
    radial-gradient(circle at 88% 18%, rgba(184, 154, 112, 0.04), transparent 24%),
    linear-gradient(180deg, #050505, #070707 48%, #040404);
}

.site-kicker,
.section-kicker,
.research-track__kicker,
.diagram-label,
.brief-card__eyebrow,
.ecosystem-card__kicker,
.dossier-kicker,
.comparison-table th,
.landscape-toolbar__eyebrow {
  color: var(--accent);
}

.chapter-number {
  border-color: color-mix(in srgb, var(--accent) 52%, transparent);
  color: var(--accent);
}

.chapter-rail__inner::after {
  background: linear-gradient(90deg, var(--teal), var(--accent));
}

.chapter-rail__inner a:hover::before,
.chapter-rail__inner a.is-active::before {
  border-color: var(--accent);
  background: var(--accent);
}

.modality-diagram__rows i::before,
.evidence-map__rows i::before {
  background: linear-gradient(90deg, var(--teal), var(--accent));
}

.modality-diagram__rows i::after,
.evidence-map__rows i::after {
  border-color: color-mix(in srgb, var(--teal) 64%, var(--ink));
  background: color-mix(in srgb, var(--teal) 58%, var(--ink));
  box-shadow: 0 0 0 3px rgba(120, 155, 152, 0.1);
}

.cite-inline a,
.source-row__label span,
.research-paper__meta span,
.timeline-item__year {
  color: var(--accent);
}

.loop-diagram__return {
  border-color: rgba(184, 154, 112, 0.24);
  background: rgba(184, 154, 112, 0.025);
}

.outcome-diagram__result {
  border-color: rgba(120, 155, 152, 0.26);
  background: linear-gradient(135deg, rgba(120, 155, 152, 0.075), rgba(184, 154, 112, 0.035));
}

.chapter-scene--diagram,
.evidence-map {
  background:
    radial-gradient(circle at 88% 8%, rgba(120, 155, 152, 0.035), transparent 29%),
    rgba(245, 242, 235, 0.012);
}

@media (min-width: 1101px) {
  .site-header,
  .site-header__inner {
    min-height: 720px;
  }

  .hero-layout {
    min-height: 620px;
  }

  .hero-visual {
    min-height: 300px;
    margin-top: -46px;
  }

  .hero-scene {
    width: min(680px, 68vw);
  }

  #modalities,
  #market-map,
  #endgame {
    padding-top: 72px;
    padding-bottom: 58px;
  }

  #modalities {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 420px;
    grid-template-rows: auto auto auto;
    column-gap: clamp(46px, 5vw, 72px);
    align-items: start;
  }

  #modalities .chapter-heading {
    grid-column: 1 / -1;
    grid-row: 1;
  }

  #modalities .chapter-layout {
    display: contents;
  }

  #modalities .chapter-copy {
    grid-column: 1;
    grid-row: 2;
  }

  #modalities .chapter-aside {
    grid-column: 2;
    grid-row: 2 / 4;
    align-self: start;
  }

  #modalities .table-wrap {
    grid-column: 1;
    grid-row: 3;
    margin-top: 24px;
  }

  #modalities .modality-diagram {
    height: 430px;
    aspect-ratio: auto;
    padding: 24px;
  }

  #modalities .modality-diagram__axis {
    margin: 16px 0 10px;
  }

  #modalities .modality-diagram__rows > div {
    min-height: 49px;
  }

  #modalities .modality-diagram__note {
    margin-top: 12px;
    padding-top: 12px;
    font-size: 0.75rem;
  }

  #market-map .chapter-scene--prism {
    height: 300px;
    aspect-ratio: auto;
  }

  #endgame {
    padding-bottom: 56px;
  }

  #endgame .chapter-scene {
    height: 430px;
    aspect-ratio: auto;
  }
}

@media (max-width: 760px) {
  .site-header,
  .site-header__inner {
    min-height: min(780px, 100svh);
  }

  .hero-layout {
    min-height: min(730px, calc(100svh - 48px));
  }

  #modalities,
  #market-map,
  #endgame {
    padding-top: 56px;
  }
}

/* v24 final cascade: keep the responsive fixes after the legacy theme layers. */
.landscape-lens {
  height: auto;
  min-height: 330px;
  aspect-ratio: auto;
}

#endgame .outcome-diagram {
  height: auto;
  min-height: 0;
  aspect-ratio: auto;
}

@media (min-width: 1101px) {
  .site-kicker {
    text-align: left;
  }

  .hero-layout {
    grid-template-columns: minmax(430px, 0.82fr) minmax(620px, 1.18fr);
    grid-template-rows: 1fr;
    gap: 0;
    align-items: center;
    justify-items: stretch;
    min-height: 620px;
    text-align: left;
  }

  .hero-copy {
    justify-self: start;
    max-width: 620px;
    padding-top: 0;
  }

  .hero-copy h1 {
    max-width: 9.5ch;
    font-size: clamp(4.9rem, 6vw, 6.6rem);
    line-height: 0.9;
    white-space: normal;
  }

  .hero-dek {
    max-width: 42ch;
    margin: 22px 0 0;
  }

  .hero-meta {
    justify-content: flex-start;
    margin-top: 20px;
  }

  .hero-enter {
    margin: 26px 0 0;
  }

  .hero-visual {
    align-self: center;
    min-height: 0;
    margin: 0 -54px 0 -72px;
  }

  .hero-scene {
    width: min(820px, 56vw);
  }

  .hero-scene img {
    opacity: 0.9;
    filter: grayscale(0.88) sepia(0.14) contrast(1.38) brightness(1.08);
  }

  .hero-visual p {
    margin-top: -8px;
  }
}

@media (max-width: 1100px) {
  #market-map .landscape-lens,
  #endgame .outcome-diagram {
    height: auto;
    min-height: 0;
    aspect-ratio: auto;
  }

  #market-map .landscape-lens {
    padding: 26px;
  }

  .landscape-lens__axes,
  #endgame .outcome-diagram__inputs {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .landscape-lens__axes {
    gap: 12px;
  }

  .landscape-lens__axes > div,
  #endgame .outcome-diagram__inputs > div {
    grid-template-columns: 1fr;
    align-content: start;
  }

  .landscape-lens__axes > div {
    min-height: 126px;
    padding: 15px;
  }

  .landscape-lens__result {
    min-height: 64px;
  }

  #endgame .outcome-diagram__inputs > div {
    min-height: 118px;
  }

  #endgame .outcome-diagram__inputs span {
    grid-row: auto;
  }
}

@media (max-width: 760px) {
  .landscape-lens__axes,
  #endgame .outcome-diagram__inputs {
    grid-template-columns: 1fr;
  }

  .landscape-lens__axes > div,
  #endgame .outcome-diagram__inputs > div {
    grid-template-columns: 34px minmax(0, 1fr);
    min-height: 0;
  }
}

/* v25: compact editorial rhythm and a consistent, readable type scale. */
.document {
  margin-bottom: 64px;
}

.chapter-heading {
  margin-bottom: 22px;
}

.chapter-heading h2 {
  font-size: clamp(2.8rem, 4.2vw, 4.2rem);
  line-height: 0.96;
}

.chapter-layout {
  gap: clamp(30px, 4vw, 56px);
}

.chapter-copy p,
.chapter-intro,
.essay-block p,
.research-track__body p,
.research-paper__body p,
.source-row__body p {
  font-size: 1rem;
  line-height: 1.58;
}

.chapter-copy p + p,
.dossier-block p + p {
  margin-top: 12px;
}

.field-brief {
  margin-top: 38px;
  padding: 22px;
}

.ecosystem-section {
  margin-top: 36px;
}

.site-kicker,
.hero-meta span,
.section-kicker,
.brief-card__eyebrow,
.ecosystem-card__kicker,
.research-track__kicker,
.diagram-label,
.dossier-kicker,
.comparison-table th,
.landscape-toolbar__eyebrow {
  font-size: 0.72rem;
  line-height: 1.35;
}

.hero-visual p,
.landscape-summary,
.landscape-empty,
.source-row__label span {
  font-size: 0.72rem;
}

.chapter-rail__inner a {
  font-size: 0.7rem;
}

.chapter-rail__inner a.chapter-rail__minor {
  font-size: 0.66rem;
}

.chapter-scene--diagram small,
.maturity-strip small {
  font-size: 0.7rem;
  line-height: 1.35;
}

.research-intro-layout {
  grid-template-columns: minmax(0, 1fr) minmax(360px, 460px);
  gap: 40px;
  margin-bottom: 24px;
}

.evidence-map {
  padding: 20px;
}

.evidence-map__rows > div {
  grid-template-columns: 140px minmax(90px, 1fr);
  min-height: 43px;
}

.evidence-map__rows span {
  font-size: 0.88rem;
}

.evidence-map__rows strong {
  font-size: 0.68rem;
}

.evidence-map > p {
  margin-top: 12px;
  padding-top: 12px;
  font-size: 0.9rem;
  line-height: 1.45;
}

.chapter--research .research-track {
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.28fr);
  grid-template-rows: auto auto;
  column-gap: clamp(32px, 4vw, 60px);
  row-gap: 22px;
  padding: 32px 0 34px;
}

.chapter--research .research-track__head {
  grid-column: 1;
  grid-row: 1;
  gap: 10px;
  margin: 0;
}

.chapter--research .research-track h3 {
  max-width: 18ch;
  margin-top: 4px;
  font-size: clamp(1.45rem, 1.8vw, 1.85rem);
  line-height: 1.1;
}

.research-track__count {
  padding: 4px 7px;
  font-size: 0.68rem;
}

.chapter--research .research-track__body {
  grid-column: 2;
  grid-row: 1;
  max-width: none;
}

.chapter--research .research-track__body p {
  margin-bottom: 12px;
  font-size: 1rem;
  line-height: 1.58;
}

.chapter--research .research-paper-grid {
  grid-column: 1 / -1;
  grid-row: 2;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 28px;
  margin-top: 0;
}

.chapter--research .research-paper {
  grid-template-columns: 104px minmax(0, 1fr);
  gap: 16px;
  padding: 14px 0 15px;
}

.chapter--research .research-paper__meta span {
  font-size: 0.72rem;
}

.chapter--research .research-paper__meta p {
  font-size: 0.82rem;
  line-height: 1.4;
}

.chapter--research .research-paper__body h4 {
  margin-bottom: 6px;
  font-size: 1.06rem;
  line-height: 1.25;
}

.chapter--research .research-paper__body p {
  font-size: 0.98rem;
  line-height: 1.55;
}

@media (min-width: 1101px) {
  .site-header,
  .site-header__inner {
    min-height: 620px;
  }

  .hero-layout {
    min-height: 540px;
  }

  .chapter {
    padding: 64px 0 48px 52px;
  }

  .chapter + .chapter {
    margin-top: 0;
  }

  .chapter::before {
    left: 52px;
  }

  .chapter-number {
    left: -52px;
  }

  #modalities,
  #market-map,
  #endgame {
    padding-top: 60px;
    padding-bottom: 46px;
  }
}

@media (max-width: 1100px) {
  .chapter {
    padding-top: 58px;
    padding-bottom: 42px;
  }

  .research-intro-layout {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 20px;
  }

  .chapter--research .research-track {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    row-gap: 0;
    padding: 28px 0 30px;
  }

  .chapter--research .research-track__head,
  .chapter--research .research-track__body,
  .chapter--research .research-paper-grid {
    grid-column: 1;
    grid-row: auto;
  }

  .chapter--research .research-track h3 {
    max-width: none;
  }

  .chapter--research .research-track__body {
    margin-bottom: 14px;
  }

  .chapter--research .research-paper-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 22px;
  }
}

@media (max-width: 760px) {
  .chapter {
    padding: 50px 0 36px;
  }

  .chapter-heading {
    margin-bottom: 18px;
  }

  .chapter-heading h2 {
    font-size: clamp(2.55rem, 13vw, 3.15rem);
    line-height: 0.94;
  }

  .chapter-rail__inner a {
    font-size: 0.68rem;
  }

  .chapter-rail__inner a.chapter-rail__minor {
    font-size: 0.64rem;
  }

  .field-brief {
    margin-top: 28px;
    padding: 18px;
  }

  .evidence-map {
    padding: 16px;
  }

  .evidence-map__rows > div {
    grid-template-columns: 1fr;
    gap: 5px;
    padding: 10px 0;
  }

  .evidence-map__rows strong {
    grid-column: 1;
  }

  .chapter--research .research-paper-grid {
    grid-template-columns: 1fr;
  }

  .chapter--research .research-paper {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 13px;
  }
}