:root {
  color-scheme: light;
  --bg: #f7f3ec;
  --paper: #fffdf8;
  --paper-strong: #ffffff;
  --ink: #151515;
  --muted: #5f5a52;
  --faint: #8a8378;
  --line: #ded6c8;
  --line-strong: #c8bda9;
  --accent: #0f766e;
  --accent-dark: #0a514c;
  --accent-soft: #dcefea;
  --warning: #b85c38;
  --warning-soft: #f4dfd2;
  --gold: #c4972f;
  --blue: #526f9e;
  --green: #648f62;
  --rose: #a85063;
  --shadow: 0 24px 70px rgba(60, 49, 33, 0.13);
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --serif: Georgia, "Times New Roman", serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 0%, rgba(15, 118, 110, 0.12), transparent 32rem),
    radial-gradient(circle at 90% 12%, rgba(196, 151, 47, 0.16), transparent 34rem),
    var(--bg);
  font-family: var(--sans);
  line-height: 1.55;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem clamp(1rem, 4vw, 3rem);
  border-bottom: 1px solid rgba(222, 214, 200, 0.75);
  background: rgba(247, 243, 236, 0.82);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 0.9rem;
  height: 0.9rem;
  border-radius: 50%;
  background: conic-gradient(from 120deg, var(--accent), var(--gold), var(--warning), var(--accent));
  box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.09);
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(0.8rem, 2vw, 1.5rem);
  color: var(--muted);
  font-size: 0.9rem;
}

.nav a {
  transition: color 160ms ease;
}

.nav a:hover {
  color: var(--ink);
}

.section {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(4rem, 8vw, 7.5rem) 0;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.65fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
  min-height: calc(100vh - 72px);
}

.eyebrow {
  margin: 0 0 0.85rem;
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 980px;
  margin-bottom: 1.5rem;
  font-family: var(--serif);
  font-size: clamp(3rem, 7.8vw, 7.3rem);
  font-weight: 500;
  letter-spacing: -0.065em;
  line-height: 0.93;
}

h2 {
  margin-bottom: 1rem;
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 4rem);
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 1;
}

h3 {
  margin-bottom: 0.8rem;
  font-size: 1.08rem;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.hero-lede {
  max-width: 760px;
  color: #34302a;
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  line-height: 1.42;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin: 2rem 0 1.8rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0.78rem 1.12rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(255, 253, 248, 0.72);
  color: var(--ink);
  font-weight: 700;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
  border-color: var(--accent);
  background: var(--paper-strong);
}

.button.primary {
  border-color: var(--accent-dark);
  background: var(--ink);
  color: #fffdf8;
}

.authors {
  max-width: 760px;
  margin: 0 0 0.45rem;
  color: var(--muted);
  font-size: 0.96rem;
}

.authors a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 31, 29, 0.18);
  transition: border-color 160ms ease, color 160ms ease;
}

.authors a:hover,
.authors a:focus {
  color: var(--accent-dark, var(--ink));
  border-bottom-color: var(--accent, var(--ink));
}

.publication-note {
  max-width: 760px;
  margin: 0;
  color: var(--faint);
  font-size: 0.9rem;
}

.hero-panel {
  position: relative;
  overflow: hidden;
  padding: clamp(1.4rem, 4vw, 2rem);
  border: 1px solid rgba(200, 189, 169, 0.75);
  border-radius: 2rem;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.78), rgba(255, 253, 248, 0.92)),
    var(--paper);
  box-shadow: var(--shadow);
}

.hero-panel::before {
  content: "";
  position: absolute;
  inset: auto -18% -22% 34%;
  height: 13rem;
  border-radius: 50%;
  background: rgba(15, 118, 110, 0.14);
  filter: blur(12px);
}

.panel-kicker {
  margin-bottom: 2rem;
  color: var(--muted);
  font-weight: 700;
}

.signal {
  position: relative;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--line);
}

.signal-value {
  display: block;
  font-family: var(--serif);
  font-size: clamp(4.2rem, 9vw, 6.8rem);
  letter-spacing: -0.07em;
  line-height: 0.9;
}

.signal-label {
  color: var(--muted);
  font-size: 1rem;
}

.panel-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  padding-top: 1.5rem;
}

.panel-grid div {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 1.1rem;
  background: rgba(255, 253, 248, 0.72);
}

.panel-grid strong,
.panel-grid span {
  display: block;
}

.panel-grid strong {
  font-family: var(--serif);
  font-size: 2rem;
  font-weight: 500;
  letter-spacing: -0.05em;
}

.panel-grid span {
  color: var(--muted);
  font-size: 0.86rem;
}

.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  padding-top: 0;
}

.stat-card {
  min-height: 13rem;
  padding: 1.35rem;
  border: 1px solid var(--line);
  background: rgba(255, 253, 248, 0.72);
}

.stat-number {
  display: block;
  margin-bottom: 2.2rem;
  font-family: var(--serif);
  font-size: clamp(2.2rem, 4vw, 3.6rem);
  letter-spacing: -0.06em;
  line-height: 1;
}

.stat-text {
  display: block;
  color: var(--muted);
  font-size: 0.98rem;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}

.prose {
  color: #332f29;
  font-family: var(--serif);
  font-size: clamp(1.25rem, 2vw, 1.65rem);
  line-height: 1.5;
}

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

.findings-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  padding-top: 0;
}

.finding-card,
.chart-card,
.method-steps article,
.limit-grid article {
  border: 1px solid var(--line);
  background: rgba(255, 253, 248, 0.82);
}

.finding-card {
  min-height: 18rem;
  padding: 1.35rem;
  border-radius: 1.35rem;
}

.finding-index {
  display: block;
  margin-bottom: 3.5rem;
  color: var(--accent-dark);
  font-family: var(--serif);
  font-size: 1.5rem;
}

.finding-card p,
.chart-card p,
.method-steps p,
.limit-grid p,
.section-heading p {
  color: var(--muted);
}

.centered {
  max-width: 780px;
  margin: 0 auto 3rem;
  text-align: center;
}

.chart-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.chart-card {
  padding: clamp(1.1rem, 3vw, 1.6rem);
  border-radius: 1.5rem;
  box-shadow: 0 16px 50px rgba(60, 49, 33, 0.08);
}

.chart-card.wide {
  grid-column: 1 / -1;
}

.chart-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.chart-header h3 {
  max-width: 690px;
  font-family: var(--serif);
  font-size: clamp(1.45rem, 2.2vw, 2.25rem);
  font-weight: 500;
  letter-spacing: -0.045em;
}

.chart-note {
  flex: 0 0 auto;
  padding: 0.45rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.bar-list {
  display: grid;
  gap: 0.85rem;
}

.bar-row {
  display: grid;
  grid-template-columns: minmax(150px, 0.24fr) 1fr 4.3rem;
  gap: 1rem;
  align-items: center;
  font-size: 0.95rem;
}

.bar-row span {
  font-weight: 700;
}

.bar-row strong {
  text-align: right;
}

.bar-track {
  height: 0.85rem;
  overflow: hidden;
  border-radius: 999px;
  background: #ece5d8;
}

.bar-track i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent-dark), var(--accent));
}

.bar-row.muted .bar-track i {
  background: linear-gradient(90deg, #8a7f70, #b7aa96);
}

.region-bars {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  align-items: end;
  gap: 0.65rem;
  min-height: 300px;
  padding-top: 2rem;
}

.region-bars div {
  display: grid;
  grid-template-rows: 2.8rem 1fr 1.7rem;
  align-items: end;
  min-height: 260px;
  text-align: center;
}

.region-bars span {
  align-self: start;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.region-bars i {
  display: block;
  height: calc(var(--h) * 1%);
  min-height: 3rem;
  border-radius: 999px 999px 0.45rem 0.45rem;
  background: linear-gradient(180deg, var(--accent), var(--accent-dark));
}

.region-bars .warning i {
  background: linear-gradient(180deg, #d08a5f, var(--warning));
}

.region-bars strong {
  padding-top: 0.45rem;
  font-size: 0.9rem;
}

.stack {
  display: flex;
  height: 4.2rem;
  overflow: hidden;
  border-radius: 1rem;
  background: #ece5d8;
}

.seg {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 3.2rem;
  color: #fff;
  font-size: 0.82rem;
  font-weight: 800;
}

.source,
.dot.source {
  background: var(--accent-dark);
}

.retrieve,
.dot.retrieve {
  background: var(--accent);
}

.format,
.dot.format {
  background: var(--gold);
}

.infer,
.dot.infer {
  background: var(--warning);
}

.other,
.dot.other {
  background: var(--blue);
}

.legend,
.mini-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  margin: 1rem 0 0;
  padding: 0;
  color: var(--muted);
  font-size: 0.88rem;
  list-style: none;
}

.legend li,
.mini-legend span {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.dot,
.mini-legend i {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
}

.adversarial-grid {
  display: grid;
  gap: 1rem;
}

.adversarial-row {
  display: grid;
  grid-template-columns: minmax(150px, 0.24fr) 1fr 4.2rem;
  gap: 1rem;
  align-items: center;
}

.adversarial-row span {
  font-weight: 700;
}

.dual-bars {
  display: grid;
  gap: 0.3rem;
}

.dual-bars i {
  display: block;
  height: 0.65rem;
  border-radius: 999px;
}

.standard,
.mini-legend .standard {
  background: #b8ac99;
}

.adversarial,
.mini-legend .adversarial {
  background: var(--warning);
}

.quote-block {
  padding-top: 3rem;
  padding-bottom: 3rem;
}

.quote-block p {
  max-width: 960px;
  margin: 0 auto;
  font-family: var(--serif);
  font-size: clamp(2rem, 4.8vw, 5rem);
  letter-spacing: -0.06em;
  line-height: 1.02;
  text-align: center;
}

.methods {
  border-top: 1px solid var(--line);
}

.method-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

.method-steps article {
  padding: 1.25rem;
  border-radius: 1.25rem;
}

.method-steps span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.2rem;
  height: 2.2rem;
  margin-bottom: 2rem;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--accent-dark);
  font-weight: 800;
}

.implications {
  padding-top: 3rem;
}

.limitations {
  border-top: 1px solid var(--line);
}

.limit-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.limit-grid article {
  padding: 1.25rem;
  border-radius: 1.25rem;
  background: rgba(255, 253, 248, 0.64);
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem clamp(1rem, 4vw, 3rem);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.footer p {
  margin: 0;
}

@media (max-width: 980px) {
  .hero,
  .split {
    grid-template-columns: 1fr;
  }

  .stats-strip,
  .findings-grid,
  .method-steps,
  .limit-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .chart-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }
}

@media (max-width: 720px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    width: 100%;
    justify-content: space-between;
  }

  .section {
    width: min(100% - 1.25rem, 1180px);
    padding: 3.25rem 0;
  }

  h1 {
    font-size: clamp(2.7rem, 16vw, 4.6rem);
  }

  .stats-strip,
  .findings-grid,
  .method-steps,
  .limit-grid {
    grid-template-columns: 1fr;
  }

  .stat-card {
    min-height: auto;
  }

  .stat-number {
    margin-bottom: 1rem;
  }

  .bar-row,
  .adversarial-row {
    grid-template-columns: 1fr;
    gap: 0.45rem;
  }

  .bar-row strong,
  .adversarial-row strong {
    text-align: left;
  }

  .region-bars {
    overflow-x: auto;
    grid-template-columns: repeat(6, minmax(70px, 1fr));
  }

  .chart-header {
    flex-direction: column;
  }

  .footer {
    flex-direction: column;
  }
}

/* Restrained editorial redesign inspired by OpenAI's article pages. */
:root {
  --bg: #ffffff;
  --paper: #ffffff;
  --paper-strong: #ffffff;
  --ink: #111111;
  --muted: #5f5f5f;
  --faint: #8c8c8c;
  --line: #e6e6e6;
  --line-strong: #cccccc;
  --accent: #111111;
  --accent-dark: #111111;
  --accent-soft: #f4f4f4;
  --warning: #8a3d2b;
  --warning-soft: #f8f1ef;
  --gold: #9b7b35;
  --blue: #56677d;
  --green: #5f735d;
  --rose: #815260;
  --shadow: none;
  --sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --serif: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

html {
  scroll-padding-top: 72px;
}

body {
  background: #ffffff;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
}

.site-header {
  padding: 18px max(24px, calc((100vw - 1120px) / 2));
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
}

.brand {
  gap: 0;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.brand-mark {
  display: none;
}

.nav {
  gap: 1.4rem;
  color: #4c4c4c;
  font-size: 0.92rem;
}

.section {
  width: min(1120px, calc(100% - 48px));
  padding: 72px 0;
}

.hero {
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 72px;
  align-items: start;
  min-height: 0;
  padding-top: 92px;
  padding-bottom: 88px;
}

.eyebrow {
  margin-bottom: 20px;
  color: #636363;
  font-size: 0.86rem;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
}

h1,
h2,
h3 {
  font-family: var(--sans);
  font-weight: 500;
  letter-spacing: -0.035em;
}

h1 {
  max-width: 880px;
  margin-bottom: 28px;
  font-size: clamp(3.1rem, 7vw, 5.6rem);
  line-height: 0.98;
}

h2 {
  max-width: 760px;
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.04;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.1rem;
  line-height: 1.25;
}

.hero-lede {
  max-width: 760px;
  color: #333333;
  font-size: clamp(1.14rem, 1.6vw, 1.34rem);
  line-height: 1.48;
}

.hero-actions {
  margin: 30px 0 26px;
}

.button {
  min-height: 42px;
  padding: 10px 16px;
  border-color: #d7d7d7;
  border-radius: 999px;
  background: #ffffff;
  font-size: 0.95rem;
  font-weight: 500;
  transition: background 140ms ease, border-color 140ms ease;
}

.button:hover {
  transform: none;
  border-color: #111111;
  background: #f7f7f7;
}

.button.primary {
  border-color: #111111;
  background: #111111;
  color: #ffffff;
}

.authors,
.publication-note {
  max-width: 740px;
  font-size: 0.95rem;
  line-height: 1.45;
}

.hero-panel {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.hero-panel::before {
  display: none;
}

.panel-kicker {
  margin-bottom: 22px;
  color: #636363;
  font-size: 0.95rem;
  font-weight: 500;
}

.signal {
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.signal-value {
  font-size: clamp(3.5rem, 7vw, 5rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.95;
}

.signal-label {
  color: var(--muted);
  font-size: 0.95rem;
}

.panel-grid {
  gap: 0;
  padding-top: 0;
  border-bottom: 1px solid var(--line);
}

.panel-grid div {
  padding: 18px 0;
  border: 0;
  border-top: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
}

.panel-grid div:nth-child(odd) {
  padding-right: 18px;
}

.panel-grid div:nth-child(even) {
  padding-left: 18px;
  border-left: 1px solid var(--line);
}

.panel-grid strong {
  font-size: 1.7rem;
  font-weight: 500;
  letter-spacing: -0.04em;
}

.panel-grid span {
  color: var(--muted);
}

.stats-strip {
  gap: 0;
  padding-top: 0;
  padding-bottom: 72px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.stat-card {
  min-height: 150px;
  padding: 24px;
  border: 0;
  border-right: 1px solid var(--line);
  background: #ffffff;
}

.stat-card:last-child {
  border-right: 0;
}

.stat-number {
  margin-bottom: 26px;
  font-size: clamp(2rem, 3vw, 2.9rem);
  font-weight: 500;
  letter-spacing: -0.045em;
}

.stat-text {
  color: #4d4d4d;
  font-size: 0.95rem;
}

.split {
  grid-template-columns: minmax(260px, 0.85fr) minmax(0, 1.15fr);
  gap: 72px;
}

.prose {
  color: #262626;
  font-family: var(--sans);
  font-size: clamp(1.04rem, 1.4vw, 1.2rem);
  line-height: 1.62;
}

.findings-grid {
  gap: 0;
  padding-top: 0;
  padding-bottom: 72px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.finding-card,
.chart-card,
.method-steps article,
.limit-grid article {
  border: 0;
  background: #ffffff;
}

.finding-card {
  min-height: 220px;
  padding: 24px;
  border-right: 1px solid var(--line);
  border-radius: 0;
}

.finding-card:last-child {
  border-right: 0;
}

.finding-index {
  margin-bottom: 44px;
  color: #777777;
  font-family: var(--sans);
  font-size: 0.95rem;
}

.finding-card p,
.chart-card p,
.method-steps p,
.limit-grid p,
.section-heading p {
  color: #5a5a5a;
}

.centered {
  max-width: 760px;
  margin-bottom: 48px;
  text-align: left;
}

.chart-grid {
  gap: 0;
  border-top: 1px solid var(--line);
}

.chart-card {
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  box-shadow: none;
}

.chart-card:not(.wide) {
  padding-right: 32px;
}

.chart-card:not(.wide) + .chart-card:not(.wide) {
  padding-right: 0;
  padding-left: 32px;
  border-left: 1px solid var(--line);
}

.chart-header {
  margin-bottom: 24px;
}

.chart-header h3 {
  max-width: 620px;
  font-size: clamp(1.3rem, 1.9vw, 1.75rem);
  line-height: 1.18;
}

.chart-note {
  padding: 0;
  border: 0;
  border-radius: 0;
  color: #777777;
  font-size: 0.84rem;
  font-weight: 400;
}

.bar-list {
  gap: 12px;
}

.bar-row {
  grid-template-columns: minmax(150px, 0.24fr) 1fr 4rem;
  font-size: 0.94rem;
}

.bar-row span,
.adversarial-row span {
  font-weight: 500;
}

.bar-track {
  height: 8px;
  border-radius: 999px;
  background: #eeeeee;
}

.bar-track i {
  background: #111111;
}

.bar-row.muted .bar-track i {
  background: #9a9a9a;
}

.region-bars {
  min-height: 240px;
  gap: 8px;
  padding-top: 8px;
}

.region-bars div {
  grid-template-rows: 42px 1fr 24px;
  min-height: 220px;
}

.region-bars span {
  color: #666666;
  font-size: 0.76rem;
  font-weight: 500;
}

.region-bars i {
  min-height: 32px;
  border-radius: 2px 2px 0 0;
  background: #111111;
}

.region-bars .warning i {
  background: #8a3d2b;
}

.stack {
  height: 42px;
  border-radius: 2px;
  background: #eeeeee;
}

.seg {
  min-width: 38px;
  font-size: 0.75rem;
  font-weight: 600;
}

.source,
.dot.source {
  background: #111111;
}

.retrieve,
.dot.retrieve {
  background: #555555;
}

.format,
.dot.format {
  background: #888888;
}

.infer,
.dot.infer {
  background: #8a3d2b;
}

.other,
.dot.other {
  background: #b0b0b0;
}

.legend,
.mini-legend {
  gap: 8px 18px;
  color: #666666;
  font-size: 0.84rem;
}

.dot,
.mini-legend i {
  width: 8px;
  height: 8px;
}

.adversarial-grid {
  gap: 14px;
}

.adversarial-row {
  grid-template-columns: minmax(150px, 0.24fr) 1fr 4rem;
}

.dual-bars {
  gap: 4px;
}

.dual-bars i {
  height: 7px;
}

.standard,
.mini-legend .standard {
  background: #c9c9c9;
}

.adversarial,
.mini-legend .adversarial {
  background: #8a3d2b;
}

.quote-block {
  padding-top: 68px;
  padding-bottom: 68px;
  border-bottom: 1px solid var(--line);
}

.quote-block p {
  max-width: 860px;
  margin-left: 0;
  font-family: var(--sans);
  font-size: clamp(1.9rem, 4vw, 3.6rem);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1.08;
  text-align: left;
}

.methods,
.limitations {
  border-top: 0;
}

.method-steps,
.limit-grid {
  gap: 0;
  margin-top: 40px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.method-steps article,
.limit-grid article {
  padding: 24px;
  border-right: 1px solid var(--line);
  border-radius: 0;
}

.method-steps article:last-child,
.limit-grid article:last-child {
  border-right: 0;
}

.method-steps span {
  width: auto;
  height: auto;
  margin-bottom: 40px;
  border: 0;
  border-radius: 0;
  color: #777777;
  font-weight: 500;
}

.implications {
  padding-top: 72px;
}

.footer {
  padding: 28px max(24px, calc((100vw - 1120px) / 2));
  border-top: 1px solid var(--line);
  color: #6a6a6a;
  font-size: 0.88rem;
}

@media (max-width: 980px) {
  .hero,
  .split {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .stats-strip,
  .findings-grid,
  .method-steps,
  .limit-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-card:nth-child(2),
  .finding-card:nth-child(2),
  .method-steps article:nth-child(2),
  .limit-grid article:nth-child(2) {
    border-right: 0;
  }

  .stat-card:nth-child(-n + 2),
  .finding-card:nth-child(-n + 2),
  .method-steps article:nth-child(-n + 2),
  .limit-grid article:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .chart-card:not(.wide),
  .chart-card:not(.wide) + .chart-card:not(.wide) {
    padding-right: 0;
    padding-left: 0;
    border-left: 0;
  }
}

@media (max-width: 720px) {
  .site-header {
    padding: 16px 20px;
  }

  .section {
    width: calc(100% - 40px);
    padding: 56px 0;
  }

  .hero {
    padding-top: 64px;
    padding-bottom: 64px;
  }

  h1 {
    font-size: clamp(2.6rem, 13vw, 4.4rem);
  }

  .stats-strip,
  .findings-grid,
  .method-steps,
  .limit-grid {
    grid-template-columns: 1fr;
  }

  .stat-card,
  .finding-card,
  .method-steps article,
  .limit-grid article {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .stat-card:last-child,
  .finding-card:last-child,
  .method-steps article:last-child,
  .limit-grid article:last-child {
    border-bottom: 0;
  }

  .bar-row,
  .adversarial-row {
    grid-template-columns: 1fr;
  }

  .quote-block p {
    font-size: clamp(1.8rem, 10vw, 3rem);
  }
}

/* Modest article layout pass. */
.section {
  width: min(1040px, calc(100% - 48px));
  padding: 56px 0;
}

.hero {
  display: block;
  max-width: none;
  min-height: 0;
  padding-top: 72px;
  padding-bottom: 56px;
}

h1 {
  max-width: none;
  margin-bottom: 22px;
  font-size: clamp(2.4rem, 4.7vw, 3.95rem);
  font-weight: 500;
  letter-spacing: -0.032em;
  line-height: 1.05;
}

h2 {
  max-width: 720px;
  font-size: clamp(1.75rem, 3vw, 2.6rem);
  letter-spacing: -0.028em;
  line-height: 1.12;
}

h3 {
  font-size: 1.02rem;
  letter-spacing: -0.012em;
}

.hero-lede {
  max-width: none;
  font-size: clamp(1.06rem, 1.35vw, 1.2rem);
  line-height: 1.55;
}

.hero-actions {
  margin: 24px 0 22px;
}

.eyebrow {
  margin-bottom: 14px;
  font-size: 0.9rem;
}

.stats-strip {
  grid-template-columns: repeat(5, 1fr);
  padding-top: 0;
  padding-bottom: 0;
}

.stat-card {
  min-height: 124px;
  padding: 20px;
}

.stat-number {
  margin-bottom: 18px;
  font-size: clamp(1.55rem, 2.2vw, 2.2rem);
  letter-spacing: -0.035em;
}

.split {
  grid-template-columns: minmax(220px, 0.7fr) minmax(0, 1.3fr);
  gap: 56px;
}

.prose {
  max-width: 740px;
  font-size: 1.05rem;
  line-height: 1.65;
}

.findings-grid {
  display: block;
  padding-top: 0;
  padding-bottom: 0;
}

.finding-card {
  display: grid;
  grid-template-columns: 72px minmax(190px, 0.52fr) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
  min-height: 0;
  padding: 24px 0;
  border-right: 0;
  border-bottom: 1px solid var(--line);
}

.finding-card:last-child {
  border-bottom: 0;
}

.finding-index {
  margin: 0;
  font-size: 0.9rem;
}

.finding-card h3 {
  margin: 0;
  max-width: 260px;
}

.finding-card p {
  margin: 0;
  max-width: 560px;
  font-size: 0.98rem;
  line-height: 1.55;
}

.centered {
  max-width: none;
  margin-right: auto;
  margin-left: 0;
  margin-bottom: 36px;
}

.chart-card {
  padding: 28px 0;
}

.chart-header h3 {
  font-size: clamp(1.15rem, 1.55vw, 1.45rem);
  letter-spacing: -0.02em;
}

.quote-block {
  padding-top: 52px;
  padding-bottom: 52px;
}

.quote-block p {
  max-width: 760px;
  font-size: clamp(1.55rem, 3vw, 2.35rem);
  letter-spacing: -0.032em;
  line-height: 1.18;
}

.method-steps,
.limit-grid {
  grid-template-columns: repeat(4, 1fr);
}

.method-steps article,
.limit-grid article {
  padding: 20px;
}

.method-steps span {
  margin-bottom: 26px;
}

@media (max-width: 980px) {
  .stats-strip,
  .method-steps,
  .limit-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-card:nth-child(2) {
    border-right: 1px solid var(--line);
  }

  .stat-card:nth-child(-n + 4) {
    border-bottom: 1px solid var(--line);
  }

  .stat-card:nth-child(even) {
    border-right: 0;
  }

  .finding-card {
    grid-template-columns: 56px 1fr;
  }

  .finding-card p {
    grid-column: 2;
  }
}

@media (max-width: 720px) {
  .section {
    width: calc(100% - 40px);
    padding: 44px 0;
  }

  .hero {
    padding-top: 52px;
    padding-bottom: 44px;
  }

  h1 {
    font-size: clamp(2rem, 9vw, 2.75rem);
  }

  h2 {
    font-size: clamp(1.55rem, 7vw, 2.1rem);
  }

  .stats-strip,
  .method-steps,
  .limit-grid {
    grid-template-columns: 1fr;
  }

  .stat-card,
  .stat-card:nth-child(2),
  .stat-card:nth-child(even) {
    border-right: 0;
  }

  .stat-card:not(:last-child) {
    border-bottom: 1px solid var(--line);
  }

  .finding-card {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .finding-card p {
    grid-column: auto;
  }

  .quote-block p {
    font-size: clamp(1.45rem, 7vw, 2rem);
  }
}