:root {
  --bg: #ffffff;
  --bg-soft: #f7f7f7;
  --bg-card: #ffffff;
  --bg-hover: #f9f9f9;
  --bg-warm: #fcf7f1;
  --border: #e0e0e0;
  --border-soft: #ece8e2;
  --fg: #111111;
  --fg-dim: #444444;
  --fg-faint: #7f7f7f;
  --amber: #c17a2f;
  --amber-soft: #d49a55;
  --cyan: #1a7a7a;
  --rust: #b05530;
  --olive: #4a6a30;
  --warn: #c06030;
  --dark-bg: #0a0d14;
  --dark-bg-soft: #11151f;
  --dark-fg: #e8e6df;
  --dark-fg-dim: #a8a9b0;
  --dark-fg-faint: #727887;
  --dark-border: #232938;
  --dark-amber: #d4a574;
  --mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
  --sans: "Inter", -apple-system, system-ui, sans-serif;
  --serif: "Source Serif 4", Georgia, serif;
  --maxw: 1600px;
  --pad-x: 2rem;
  --radius: 18px;
  --shadow: 0 16px 50px rgba(14, 21, 32, 0.06);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body {
  overflow-x: hidden;
}

main {
  min-height: 100vh;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(193, 122, 47, 0.28);
  transition: border-color 0.18s ease, color 0.18s ease;
}

a:hover,
a:focus-visible {
  border-color: var(--amber);
}

button {
  font: inherit;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.3rem, 6vw, 4.5rem);
  font-weight: 700;
}

h2 {
  font-size: clamp(1.7rem, 3.6vw, 2.8rem);
  font-weight: 700;
}

h3 {
  font-size: 1.2rem;
  font-weight: 700;
}

p {
  margin: 0 0 1rem;
}

ul,
ol {
  margin: 0;
  padding-left: 1.2rem;
}

.wrap {
  width: min(100%, var(--maxw));
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

.site-nav-shell {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(14px);
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(17, 17, 17, 0.08);
}

.site-nav {
  width: min(100%, var(--maxw));
  margin: 0 auto;
  padding: 1rem var(--pad-x);
  display: flex;
  align-items: center;
  gap: 1rem;
  justify-content: space-between;
}

.site-brand {
  border: 0;
  display: inline-flex;
  align-items: baseline;
  gap: 0;
  color: var(--fg);
  font-family: var(--mono);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  font-weight: 600;
}

.site-brand span {
  color: var(--fg-faint);
  margin: 0 0.2rem;
  font-weight: 400;
}

.site-brand small {
  color: var(--fg-dim);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  font-weight: 500;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--fg);
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  flex-wrap: wrap;
}

.nav-links a {
  border: 0;
  color: var(--fg-dim);
  font-family: var(--mono);
  font-size: 0.73rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-links a.is-active {
  color: var(--amber);
}

.site-footer {
  border-top: 1px solid var(--border-soft);
  background: var(--bg-soft);
  margin-top: 5rem;
}

.site-footer-inner {
  width: min(100%, var(--maxw));
  margin: 0 auto;
  padding: 2.4rem var(--pad-x);
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2rem;
}

.site-footer-copy {
  color: var(--fg-dim);
  max-width: 60rem;
}

.site-footer-copy strong {
  color: var(--fg);
}

.site-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem 1.1rem;
  align-content: flex-start;
  justify-content: flex-end;
}

.site-footer-links a {
  border: 0;
  color: var(--fg-dim);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.attr-strip {
  padding: 2.8rem 0 3rem;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border-soft);
}

.attr-head {
  text-align: center;
  font-family: var(--mono);
  font-size: 0.86rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-bottom: 1.3rem;
  font-weight: 500;
}

.attr-names {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.45rem;
  max-width: 1000px;
  margin: 0 auto;
}

.attr-name {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 0.95rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 0.84rem;
  letter-spacing: 0.03em;
}

.attr-name:hover,
.attr-name:focus-visible {
  color: var(--amber);
  border-color: var(--amber);
}

.attr-more {
  margin-top: 0.95rem;
  text-align: center;
  font-family: var(--mono);
  font-size: 0.84rem;
  color: var(--fg-faint);
  letter-spacing: 0.05em;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0;
  margin: 1.7rem auto 0;
  border-top: 1px solid var(--border);
  padding-top: 1.4rem;
}

.hero-stat {
  text-align: center;
  padding: 0 0.8rem;
  border-right: 1px solid var(--border);
}

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

.hero-stat-num {
  display: block;
  font-family: var(--mono);
  font-size: clamp(1.5rem, 2.5vw, 2.1rem);
  font-weight: 700;
  color: var(--amber);
  line-height: 1;
  margin-bottom: 0.35rem;
}

.hero-stat-label {
  display: block;
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-dim);
}

.narrative-lead {
  max-width: 56ch;
  margin: 0 0 2.5rem auto;
  border-left: 3px solid var(--amber);
  padding-left: 1.4rem;
}

.narrative-lead p:first-child {
  margin-bottom: 0.7rem;
  font-size: clamp(1.15rem, 2.1vw, 1.45rem);
  line-height: 1.3;
  color: var(--fg);
  font-weight: 700;
}

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

.voice-quotes-single {
  grid-template-columns: minmax(0, 1fr);
}

.voice-quote,
.voice-quote-inline {
  position: relative;
  padding: 0.95rem 1rem 0.95rem 3.6rem;
  background: transparent;
  border: 0;
  box-shadow: none;
}

.voice-quote::before,
.voice-quote-inline::before {
  content: "\201C";
  position: absolute;
  left: 0.25rem;
  top: -0.55rem;
  font-family: var(--serif);
  font-size: 4.7rem;
  line-height: 1;
  color: var(--rust);
  opacity: 0.9;
}

.voice-quote-inline {
  max-width: 72ch;
  margin: 0 auto 2rem;
}

.voice-quote blockquote,
.voice-quote-inline blockquote {
  margin: 0 0 0.9rem;
  font-family: var(--serif);
  font-size: 1.18rem;
  line-height: 1.5;
  font-style: italic;
  color: var(--fg);
}

.voice-quote cite,
.voice-quote-inline cite {
  display: block;
  padding-top: 0.8rem;
  border-top: 1px solid var(--border-soft);
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  color: var(--fg-faint);
  font-style: normal;
}

.voice-quote cite strong,
.voice-quote-inline cite strong {
  color: var(--rust);
  font-weight: 600;
}

.quote-avatar {
  width: 48px;
  height: 48px;
  object-fit: cover;
  border-radius: 50%;
  border: 2px solid var(--border);
  filter: grayscale(0.2);
  margin-right: 0.65rem;
  vertical-align: middle;
}

.voice-quote-bridge {
  grid-column: 1 / -1;
  margin-top: 0.2rem;
  padding: 1.15rem 1.4rem 0;
  border-top: 1px dashed var(--border-soft);
  text-align: center;
  color: var(--fg-dim);
  line-height: 1.6;
}

.voice-quote-bridge strong {
  color: var(--fg);
  font-weight: 600;
}

.mismatch-split {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 1.5rem;
  align-items: start;
}

.mismatch-paragraph,
.mismatch-figure {
  padding: 1.65rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
  box-shadow: var(--shadow);
}

.mismatch-body {
  color: var(--fg-dim);
  line-height: 1.65;
}

.mismatch-body strong {
  color: var(--fg);
}

.mismatch-cap-label {
  display: block;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 0.35em;
  text-decoration-thickness: 1px;
}

.mismatch-cap-key {
  font-family: var(--serif);
  color: var(--fg);
}

.table-sources {
  margin-top: 0.9rem;
  font-size: 0.84rem;
  color: var(--fg-faint);
  line-height: 1.6;
}

.mismatch-cap-body {
  color: var(--fg-dim);
  line-height: 1.6;
}

.in-plain {
  padding: 1.3rem 1.4rem;
  border-radius: var(--radius);
  border: 1px solid rgba(74, 106, 48, 0.22);
  background: linear-gradient(180deg, rgba(74, 106, 48, 0.07) 0%, rgba(74, 106, 48, 0.03) 100%);
}

.in-plain-eyebrow {
  display: inline-flex;
  margin-bottom: 0.65rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--olive);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 0.35em;
  text-decoration-thickness: 1px;
}

.in-plain-body {
  margin: 0;
  color: var(--fg-dim);
  line-height: 1.65;
}

.use-cases-grid {
  display: grid;
  gap: 2rem;
  margin-top: 2rem;
}

.use-case-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--amber);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.use-case-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 1rem;
  padding-bottom: 1.1rem;
  margin-bottom: 1.2rem;
  border-bottom: 1px solid var(--border-soft);
}

.use-case-num {
  font-family: var(--mono);
  font-size: 2rem;
  color: var(--amber);
  font-weight: 700;
}

.use-case-sub {
  flex: 1;
  min-width: 220px;
  font-size: 1.2rem;
  line-height: 1.2;
  font-weight: 700;
  color: var(--fg);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.use-case-title {
  width: 100%;
  font-family: var(--serif);
  font-style: italic;
  color: var(--fg-dim);
}

.use-case-body {
  display: grid;
  gap: 1rem;
}

.use-case-situation {
  margin: 0;
  color: var(--fg);
}

.use-case-mech-label {
  display: block;
  margin-bottom: 0.45rem;
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--amber);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 0.35em;
  text-decoration-thickness: 1px;
}

.use-case-mechanism,
.use-case-mismatch,
.use-case-intervention {
  border-left: 2px solid var(--border-soft);
  padding-left: 1rem;
}

.use-case-mechanism p,
.use-case-mismatch p,
.use-case-intervention p {
  margin: 0;
  color: var(--fg-dim);
  line-height: 1.65;
}

.use-case-mechanism p em,
.use-case-mismatch p em,
.use-case-intervention p em {
  color: var(--fg);
}

.use-case-quote {
  padding: 1.1rem 1.2rem;
  border-left: 3px solid var(--amber);
  background: rgba(193, 122, 47, 0.07);
  border-radius: 14px;
}

.use-case-quote blockquote {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.08rem;
  font-style: italic;
  line-height: 1.5;
  color: var(--fg);
}

.use-case-card details {
  padding-top: 0.2rem;
}

.use-case-card summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--fg-faint);
}

.use-case-card summary::-webkit-details-marker {
  display: none;
}

.use-cases-footer {
  margin: 2rem auto 0;
  max-width: 56rem;
  text-align: center;
  font-family: var(--mono);
  font-size: 0.77rem;
  color: var(--fg-faint);
  line-height: 1.65;
}

.hud-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  width: min(100%, var(--maxw));
  margin: 1.3rem auto 0;
  padding: 0 var(--pad-x);
}

.hud-pair-item {
  padding: 1.3rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
  box-shadow: var(--shadow);
}

.hud-cap-label {
  display: inline-flex;
  margin-bottom: 0.55rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
}

.hud-pair-body {
  margin: 0;
  color: var(--fg-dim);
  line-height: 1.65;
}

.hud-pair-body strong,
.hud-pair-body em {
  color: var(--fg);
}

.app-list {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.app-card {
  padding: 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
  box-shadow: var(--shadow);
}

.app-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.7rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 0.35em;
  text-decoration-thickness: 1px;
}

.app-code {
  color: var(--fg-faint);
}

.app-name {
  margin-bottom: 0.45rem;
}

.app-desc {
  color: var(--fg-dim);
  line-height: 1.65;
}

.app-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.9rem;
}

.app-eval {
  margin-top: 1rem;
}

.app-eval summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg);
}

.app-eval summary::-webkit-details-marker {
  display: none;
}

.app-eval-grid {
  display: grid;
  grid-template-columns: minmax(0, 220px) minmax(0, 1fr);
  gap: 0.6rem 1rem;
  margin-top: 1rem;
}

.app-eval-q {
  font-family: var(--mono);
  font-size: 0.69rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--amber);
}

.app-eval-a {
  color: var(--fg-dim);
  line-height: 1.6;
}

.app-examples {
  margin-top: 1rem;
}

.app-examples strong {
  display: inline-flex;
  margin-bottom: 0.45rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-faint);
}

.app-examples ul {
  display: grid;
  gap: 0.55rem;
  color: var(--fg-dim);
}

.team-video-cap {
  margin: 1rem 0 0;
  padding: 0.9rem 1.1rem;
  border-left: 2px solid var(--amber);
  background: var(--bg-soft);
  font-family: var(--serif);
  font-size: 1.02rem;
  line-height: 1.6;
  font-style: italic;
  color: var(--fg-dim);
}

.team-video-cap em {
  color: var(--fg);
}

.hero {
  position: relative;
  background:
    radial-gradient(circle at 12% 0%, rgba(212, 165, 116, 0.1) 0, transparent 45%),
    linear-gradient(180deg, var(--dark-bg) 0%, var(--dark-bg-soft) 100%);
  color: var(--dark-fg);
  padding: 7.5rem 0 5rem;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 160px;
  background: linear-gradient(180deg, rgba(17, 21, 31, 0) 0%, rgba(17, 21, 31, 0.22) 100%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: min(100%, var(--maxw));
  margin: 0 auto;
  padding: 0 var(--pad-x);
  padding-right: calc(var(--pad-x) + clamp(18rem, 22vw, 24rem));
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--mono);
  font-size: 0.84rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 1rem;
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 0.35em;
  text-decoration-thickness: 1px;
}

.eyebrow::before {
  content: "";
  width: 1.6rem;
  height: 1px;
  background: currentColor;
  opacity: 0.6;
}

.hero h1 {
  color: var(--dark-fg);
}

.hero-line {
  display: block;
}

.hero-line + .hero-line {
  margin-top: 0.08em;
  font-size: 0.78em;
}

.hero-deck {
  font-family: var(--serif);
  font-size: 1.4rem;
  line-height: 1.5;
  color: var(--dark-fg);
  max-width: 56ch;
  margin: 1.6rem 0 1.4rem 0;
  font-weight: 400;
}

.hero-subhead {
  margin-top: 0;
  max-width: 64rem;
  font-size: clamp(1rem, 2vw, 1.25rem);
  line-height: 1.55;
  color: var(--dark-fg-dim);
}

.hero-quote {
  position: absolute;
  top: 1.25rem;
  right: var(--pad-x);
  width: clamp(18rem, 24vw, 22rem);
  margin-top: 0;
  max-width: none;
}

.hero-quote blockquote {
  color: var(--dark-fg);
  font-size: 1.05rem;
}

.hero-quote cite {
  border-top-color: rgba(255, 255, 255, 0.12);
  color: var(--dark-fg-faint);
}

.hero-quote cite strong {
  color: var(--amber);
}

.hero-quote .quote-avatar {
  border-color: rgba(255, 255, 255, 0.14);
}

.hero-onramp {
  margin-top: 1.4rem;
  font-family: var(--mono);
  font-size: 0.84rem;
  letter-spacing: 0.04em;
  color: var(--dark-fg-dim);
}

.hero-onramp a {
  color: var(--amber);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.hero-actions {
  margin-top: 2rem;
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.9rem 1.25rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--amber);
  color: #fff7ef;
  border-color: var(--amber);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.04);
  color: var(--dark-fg);
  border-color: rgba(255, 255, 255, 0.12);
}

.button-secondary-light {
  background: transparent;
  color: var(--fg);
  border-color: var(--border);
}

.button-link {
  background: transparent;
  color: var(--amber);
  border-color: transparent;
  padding-left: 0;
}

.hero-papers {
  display: flex;
  gap: 1.2rem;
  margin-top: 1.6rem;
  flex-wrap: wrap;
}

.hero-paper-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.84rem;
  color: var(--dark-fg-dim);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color 0.15s;
}

.hero-paper-link:hover {
  color: var(--amber);
}

.hero-paper-tag {
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--dark-fg-faint);
}

.hero-paper-link:hover .hero-paper-tag {
  border-color: var(--amber);
  color: var(--amber);
}

.foot-strip {
  margin-top: 2.4rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dark-fg-faint);
}

.page-hero {
  padding: 5rem 0 2.25rem;
  background:
    radial-gradient(circle at 10% 0%, rgba(212, 165, 116, 0.12) 0, transparent 40%),
    linear-gradient(180deg, var(--bg-warm) 0%, #fff 100%);
  border-bottom: 1px solid var(--border-soft);
}

.page-hero-dark {
  background:
    radial-gradient(circle at 12% 0%, rgba(212, 165, 116, 0.09) 0, transparent 40%),
    linear-gradient(180deg, var(--dark-bg) 0%, var(--dark-bg-soft) 100%);
  color: var(--dark-fg);
  border-bottom-color: rgba(255, 255, 255, 0.08);
}

.page-hero-dark p,
.page-hero-dark .lede {
  color: var(--dark-fg-dim);
}

.page-hero-inner {
  width: min(100%, var(--maxw));
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

.page-hero h1,
.page-hero h2 {
  max-width: 24ch;
}

.lede {
  margin-top: 1rem;
  max-width: 64rem;
  font-size: 1.06rem;
  color: var(--fg-dim);
}

.section {
  padding: 4.5rem 0;
}

.section-soft {
  background: var(--bg-soft);
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}

.section-dark {
  background: linear-gradient(180deg, #11151f 0%, #0d1018 100%);
  color: var(--dark-fg);
}

.section-dark p,
.section-dark li,
.section-dark .lede,
.section-dark .surface p {
  color: var(--dark-fg-dim);
}

.section-dark h2,
.section-dark h3,
.section-dark strong {
  color: var(--dark-fg);
}

.section-head {
  margin-bottom: 2rem;
}

.section-head .eyebrow {
  margin-bottom: 0.8rem;
}

.section-head .eyebrow::before {
  opacity: 0.4;
}

.section-copy {
  max-width: 60rem;
}

.kpi-row,
.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(145px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.kpi,
.stat-card {
  padding: 1.2rem 1rem;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--bg-card);
  box-shadow: var(--shadow);
}

.section-dark .kpi,
.section-dark .stat-card {
  background: rgba(255, 255, 255, 0.03);
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: none;
}

.kpi-value,
.stat-value {
  display: block;
  font-family: var(--serif);
  font-size: 1.65rem;
  color: var(--amber);
  margin-bottom: 0.35rem;
}

.kpi-label,
.stat-label {
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-dim);
}

.section-dark .kpi-label,
.section-dark .stat-label {
  color: var(--dark-fg-faint);
}

.surface {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem;
  box-shadow: var(--shadow);
}

.surface + .surface {
  margin-top: 1rem;
}

.surface-muted {
  background: var(--bg-soft);
}

.section-dark .surface {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: none;
}

.surface-quote {
  border-left: 4px solid var(--amber);
}

.quote {
  font-family: var(--serif);
  font-size: 1.25rem;
  line-height: 1.45;
  color: var(--fg);
  font-style: italic;
}

.section-dark .quote {
  color: var(--dark-fg);
}

.quote-attribution {
  margin-top: 0.8rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-faint);
}

.section-dark .quote-attribution {
  color: var(--dark-fg-faint);
}

.eea-table-wrap {
  margin-top: 2rem;
  overflow-x: auto;
}

.eea-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}

.eea-table th,
.eea-table td {
  border-bottom: 1px solid var(--border-soft);
  padding: 0.95rem 1rem;
  vertical-align: top;
  text-align: left;
}

.eea-table th {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--fg-faint);
}

.eea-table td:first-child {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--fg);
  font-weight: 600;
}

.argument-list {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.argument-item {
  padding: 1.3rem 1.4rem;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--bg-card);
  box-shadow: var(--shadow);
  font-size: 1.02rem;
}

.argument-item-head {
  display: flex;
  align-items: flex-start;
  gap: 0.95rem;
  margin-bottom: 0.85rem;
}

.argument-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  border: 1px solid rgba(193, 122, 47, 0.18);
  background: var(--bg-warm);
  color: var(--amber);
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.argument-title {
  font-size: clamp(1.1rem, 2vw, 1.42rem);
  line-height: 1.22;
  letter-spacing: -0.02em;
}

.argument-copy {
  margin: 0;
  color: var(--fg-dim);
  line-height: 1.72;
}

.argument-body {
  display: flex;
  gap: 1.2rem;
  align-items: flex-start;
}

.argument-body--reverse {
  flex-direction: row-reverse;
}

.argument-body .argument-copy {
  flex: 1;
  min-width: 0;
}

.argument-img {
  flex: 0 0 420px;
  border-radius: 10px;
  overflow: hidden;
}

.argument-img img {
  width: 100%;
  height: auto;
  display: block;
}

@media (max-width: 768px) {
  .argument-body,
  .argument-body--reverse {
    flex-direction: column;
  }
  .argument-img {
    flex: none;
    width: 100%;
    max-width: 360px;
  }
}

.case-highlight {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

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

.case-meta {
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-faint);
  font-weight: 500;
}

.case-title {
  font-size: 1.2rem;
  font-weight: 700;
}

.case-pull {
  padding: 1.6rem;
  border-radius: var(--radius);
  border: 1px solid rgba(193, 122, 47, 0.28);
  background: rgba(193, 122, 47, 0.06);
}

.case-pull .quote {
  font-size: 1.15rem;
}

.door-grid,
.case-grid,
.framework-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.door-card,
.case-card,
.framework-card {
  padding: 1.35rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
  box-shadow: var(--shadow);
}

.door-card h3,
.case-card h3,
.framework-card h3 {
  margin-bottom: 0.6rem;
}

.door-card p,
.case-card p,
.framework-card p {
  color: var(--fg-dim);
}

.axis-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.axis-card {
  padding: 1.2rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
  text-align: left;
}

.axis-card strong {
  display: block;
  margin-bottom: 0.4rem;
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg);
}

.axis-card.is-highlighted {
  border-color: var(--amber);
  background: linear-gradient(180deg, rgba(193, 122, 47, 0.1) 0%, rgba(193, 122, 47, 0.04) 100%);
}

.pyramid-mini {
  display: grid;
  gap: 0.55rem;
  margin-top: 2rem;
}

.pyramid-layer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 1rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--bg-card);
  box-shadow: var(--shadow);
}

.pyramid-layer code {
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.09em;
  color: var(--amber);
}

.roadmap-stack {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.roadmap-stage {
  padding: 1.3rem 1.4rem;
  border: 1px solid var(--border);
  border-left: 4px solid var(--amber);
  border-radius: 18px;
  background: var(--bg-card);
  box-shadow: var(--shadow);
}

.roadmap-stage-head {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 0.85rem;
}

.roadmap-stage-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  border: 1px solid rgba(193, 122, 47, 0.18);
  background: var(--bg-warm);
  color: var(--amber);
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 600;
}

.roadmap-stage-phase {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-faint);
}

.roadmap-stage-audience {
  margin-top: 0.85rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border-soft);
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--fg-faint);
  line-height: 1.55;
}

.roadmap-closing {
  margin: 2rem auto 0;
  max-width: 56rem;
  text-align: center;
  color: var(--fg-dim);
  line-height: 1.65;
}

.home-closing {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

.note-callout {
  padding: 1.4rem;
  border-left: 4px solid var(--amber);
  background: var(--bg-warm);
  border-radius: 16px;
}

.operationalization-inline {
  margin-top: 0.85rem;
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  color: var(--fg-dim);
}

.operationalization-prompt {
  margin-top: 0.9rem;
  max-width: 42rem;
  color: var(--fg-dim);
}

.op-index-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 1rem;
  align-items: start;
}

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

.indicator-grid,
.criteria-grid,
.transcript-grid {
  display: grid;
  gap: 1rem;
}

.indicator-grid {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.criteria-grid,
.transcript-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.indicator-card,
.criteria-card,
.transcript-card {
  height: 100%;
}

.indicator-card h3,
.criteria-card h3,
.transcript-card h3 {
  margin-bottom: 0.6rem;
}

.indicator-meta {
  margin-top: 1rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--border-soft);
  color: var(--fg-dim);
}

.indicator-meta strong {
  color: var(--fg);
}

.criteria-card {
  display: grid;
  gap: 0.8rem;
}

.criteria-row {
  display: grid;
  grid-template-columns: minmax(0, 148px) minmax(0, 1fr);
  gap: 0.5rem 1rem;
  align-items: start;
}

.criteria-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--amber);
}

.criteria-reliability {
  margin: 0;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border-soft);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--fg-faint);
}

.eval-status {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eval-status.is-pass {
  color: var(--olive);
  border-color: rgba(74, 106, 48, 0.25);
  background: rgba(74, 106, 48, 0.08);
}

.eval-status.is-fail {
  color: var(--warn);
  border-color: rgba(192, 96, 48, 0.28);
  background: rgba(192, 96, 48, 0.08);
}

.transcript-note {
  margin-top: 0.65rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--fg-faint);
}

.transcript {
  display: grid;
  gap: 0.75rem;
}

.transcript-turn {
  padding: 0.95rem 1rem;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
}

.transcript-turn.is-user {
  border-color: rgba(193, 122, 47, 0.2);
  background: rgba(193, 122, 47, 0.08);
}

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

.transcript-speaker {
  display: block;
  margin-bottom: 0.35rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-faint);
}

.binding-callout {
  margin-top: 1.25rem;
  padding: 1rem 1.1rem;
  border-left: 3px solid var(--rust);
  background: rgba(176, 85, 48, 0.07);
  border-radius: 14px;
}

.binding-callout strong {
  color: var(--fg);
}

.citation {
  position: relative;
  display: inline-flex;
  align-items: flex-start;
}

.citation-button {
  min-width: 1.25rem;
  height: 1.25rem;
  padding: 0;
  margin-left: 0.16rem;
  border-radius: 999px;
  border: 1px solid rgba(193, 122, 47, 0.35);
  background: transparent;
  color: var(--amber);
  font-family: var(--mono);
  font-size: 0.58rem;
  line-height: 1;
  cursor: pointer;
  transform: translateY(-0.38em);
}

.citation-note {
  position: absolute;
  left: 0;
  top: calc(100% + 0.45rem);
  width: min(22rem, 80vw);
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--bg-card);
  color: var(--fg-dim);
  box-shadow: var(--shadow);
  font-size: 0.84rem;
  line-height: 1.5;
  opacity: 0;
  pointer-events: none;
  transform: translateY(6px);
  transition: opacity 0.16s ease, transform 0.16s ease;
  z-index: 20;
}

.citation:hover .citation-note,
.citation:focus-within .citation-note,
.citation[data-open="true"] .citation-note {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.data-status {
  margin: 1.5rem 0 0;
  padding: 0.8rem 1rem;
  border-radius: 14px;
  border: 1px solid rgba(26, 122, 122, 0.18);
  background: rgba(26, 122, 122, 0.08);
  color: var(--fg-dim);
  font-size: 0.92rem;
}

.data-status.is-snapshot {
  border-color: rgba(192, 96, 48, 0.22);
  background: rgba(192, 96, 48, 0.08);
}

.data-status strong {
  color: var(--fg);
}

.audit-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.8rem;
}

.audit-nav a {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.6rem 0.9rem;
  color: var(--fg);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--bg-card);
}

.layer-group + .layer-group,
.audit-block + .audit-block {
  margin-top: 2.2rem;
}

.layer-label {
  margin-bottom: 1rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
}

.foundation-grid,
.mechanism-grid,
.demo-grid,
.challenge-list,
.gap-grid,
.works-list,
.thinker-grid {
  display: grid;
  gap: 1rem;
}

.foundation-grid,
.mechanism-grid,
.gap-grid,
.thinker-grid {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.foundation-card,
.mechanism-card,
.convergence-card,
.demo-card,
.challenge-card,
.gap-card,
.work-card,
.thinker-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  padding: 1.4rem;
  box-shadow: var(--shadow);
}

.foundation-card header,
.mechanism-card header,
.work-card header,
.thinker-card header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.8rem;
}

.code-badge,
.priority-badge,
.tier-badge,
.importance-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border-radius: 999px;
  padding: 0.28rem 0.7rem;
  border: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg-dim);
}

.code-badge {
  color: var(--amber);
}

.mechanism-meta,
.convergence-meta,
.work-meta,
.thinker-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.8rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.25rem 0.65rem;
  background: var(--bg-soft);
  border: 1px solid var(--border-soft);
  color: var(--fg-dim);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.convergence-list,
.challenge-list,
.works-list {
  grid-template-columns: 1fr;
}

.convergence-card + .convergence-card,
.challenge-card + .challenge-card,
.work-card + .work-card {
  margin-top: 0;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: 1.5rem 0 2rem;
}

.filter-button {
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--fg);
  border-radius: 999px;
  padding: 0.6rem 0.95rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}

.filter-button.is-active {
  border-color: var(--amber);
  background: rgba(193, 122, 47, 0.08);
  color: var(--amber);
}

.thinker-section + .thinker-section {
  margin-top: 2.2rem;
}

.thinker-avatar {
  width: 3.1rem;
  height: 3.1rem;
  border-radius: 50%;
  background: linear-gradient(180deg, rgba(193, 122, 47, 0.16) 0%, rgba(193, 122, 47, 0.05) 100%);
  border: 1px solid rgba(193, 122, 47, 0.28);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 0.9rem;
  color: var(--amber);
  font-weight: 600;
}

.thinker-photo {
  width: 3.1rem;
  height: 3.1rem;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid rgba(193, 122, 47, 0.28);
  background: var(--bg-soft);
}

.thinker-head {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.working-papers {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1.8rem;
}

.paper-card {
  padding: 1.2rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
  box-shadow: var(--shadow);
}

.paper-card strong {
  display: block;
  margin-bottom: 0.4rem;
}

.paper-card small {
  color: var(--fg-faint);
}

.article-shell {
  padding: 3.5rem 0 0;
}

.article-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 2rem;
}

.article-rail {
  position: sticky;
  top: 6.2rem;
  align-self: start;
  display: grid;
  gap: 1rem;
}

.article-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 2rem;
}

.article-nav a {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.55rem 0.9rem;
  color: var(--fg);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--bg-card);
}

.article-content section + section {
  margin-top: 1.8rem;
}

.article-content h2 {
  font-size: 1.45rem;
  margin-bottom: 0.6rem;
}

.article-content ul {
  display: grid;
  gap: 0.55rem;
}

.contact-simple {
  display: grid;
  gap: 1rem;
  max-width: 38rem;
}

.fund-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1.8rem;
}

.fund-card {
  padding: 1.3rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
  box-shadow: var(--shadow);
}

.fund-card strong {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--amber);
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

.empty-state {
  padding: 1.25rem;
  border: 1px dashed var(--border);
  border-radius: 14px;
  color: var(--fg-dim);
  background: var(--bg-soft);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ─── Lakatos Research Programme Sections ─── */

.foundation-layer {
  background:
    radial-gradient(circle at 14% 0%, rgba(193, 122, 47, 0.08) 0, transparent 34%),
    linear-gradient(180deg, var(--bg-soft) 0%, var(--bg) 72%);
  border-bottom: 1px solid var(--border-soft);
}

.lakatos-block {
  border-top: 1px solid var(--border-soft);
}

.lakatos-block + .lakatos-block {
  padding-top: 0;
}

#hard-core {
  background: transparent;
  padding-bottom: 2.4rem;
}

#hard-core .section-head {
  max-width: 68rem;
}

.hard-core-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.3rem;
  margin-top: 2.2rem;
}

.hard-core-card {
  position: relative;
  min-height: 100%;
  padding: 1.6rem;
  border: 1px solid var(--border);
  border-top: 4px solid var(--amber);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(193, 122, 47, 0.06) 0%, var(--bg-card) 24%);
  box-shadow: var(--shadow);
}

.hard-core-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--amber);
  color: #fff;
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
}

.hard-core-card h3 {
  font-size: 1.16rem;
  font-weight: 700;
  line-height: 1.28;
  margin-bottom: 0.7rem;
}

.hard-core-card p {
  color: var(--fg-dim);
  line-height: 1.72;
  margin: 0;
}

.hard-core-closing {
  max-width: 36rem;
  margin: 2.2rem auto 0;
  text-align: center;
  font-family: var(--serif);
  font-size: 1.22rem;
  font-weight: 600;
  color: var(--fg);
  letter-spacing: -0.01em;
}

/* Belt */

.lakatos-belt {
  padding-top: 2.4rem;
  padding-bottom: 2.25rem;
}

.lakatos-belt .section-head,
.lakatos-falsification .section-head {
  margin-bottom: 1.25rem;
}

.lakatos-belt h2,
.lakatos-falsification h2 {
  font-size: clamp(1.55rem, 3vw, 2.15rem);
}

.belt-body {
  max-width: 66ch;
  color: var(--fg-dim);
  font-size: 0.98rem;
  line-height: 1.65;
}

.belt-body p {
  margin-bottom: 1rem;
}

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

.belt-link {
  display: inline-block;
  margin-top: 1.2rem;
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--amber);
  border-bottom: 1px solid rgba(193, 122, 47, 0.35);
}

/* Falsification */

.lakatos-falsification {
  padding-top: 1.8rem;
  padding-bottom: 3.2rem;
}

.lakatos-disclosure {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.lakatos-disclosure summary {
  cursor: pointer;
  padding: 1.15rem 1.35rem;
  list-style: none;
}

.lakatos-disclosure summary::-webkit-details-marker {
  display: none;
}

.lakatos-disclosure summary::marker {
  content: "";
}

.lakatos-disclosure-core {
  border-top: 4px solid var(--amber);
  background: linear-gradient(180deg, rgba(193, 122, 47, 0.08) 0%, var(--bg-card) 18%);
}

.lakatos-summary-line {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
}

.lakatos-summary-text {
  flex: 1;
  min-width: 0;
  color: var(--fg);
  line-height: 1.55;
}

.lakatos-disclosure-core .lakatos-summary-text {
  max-width: 54ch;
  font-family: var(--serif);
  font-size: 1.12rem;
  line-height: 1.6;
}

.lakatos-disclosure-belt .lakatos-summary-text,
.lakatos-disclosure-falsification .lakatos-summary-text {
  font-size: 0.98rem;
}

.lakatos-caret {
  flex: 0 0 auto;
  color: var(--amber);
  font-family: var(--mono);
  font-size: 0.88rem;
  line-height: 1.55;
  transition: transform 0.18s ease;
}

.lakatos-disclosure[open] .lakatos-caret {
  transform: rotate(180deg);
}

.lakatos-content {
  padding: 0 1.35rem 1.35rem;
  border-top: 1px solid var(--border-soft);
}

.belt-body {
  margin-top: 1.35rem;
}

.falsification-lede {
  margin-top: 1.4rem;
  max-width: 60ch;
  color: var(--fg-dim);
  line-height: 1.6;
}

.falsification-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.6rem;
}

.falsification-item {
  padding: 1.2rem 1.3rem;
  border: 1px solid var(--border-soft);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.66);
}

.falsification-item h3 {
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 0.5rem;
}

.falsification-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-card);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--fg-dim);
  margin-right: 0.4rem;
  vertical-align: middle;
}

.falsification-item p {
  color: var(--fg-dim);
  line-height: 1.6;
  margin: 0;
  font-size: 0.94rem;
}

.falsification-closing {
  margin-top: 1.6rem;
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--fg);
  text-align: center;
}

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

@media (max-width: 980px) {
  .case-highlight,
  .home-closing,
  .article-grid,
  .op-index-grid,
  .mismatch-split,
  .site-footer-inner {
    grid-template-columns: 1fr;
  }

  .article-rail {
    position: static;
  }

  .site-footer-links {
    justify-content: flex-start;
  }

  .hero-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.8rem;
  }

  .hero-inner {
    padding-right: var(--pad-x);
  }

  .hero-quote {
    position: static;
    width: auto;
    margin-top: 1.85rem;
  }

  .hero-stat {
    border-right: 0;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 0.9rem;
    background: var(--bg-card);
  }

  .voice-quotes,
  .hud-pair,
  .criteria-grid,
  .transcript-grid,
  .app-eval-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: absolute;
    top: calc(100% + 0.4rem);
    right: var(--pad-x);
    left: var(--pad-x);
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.97);
    box-shadow: var(--shadow);
  }

  .site-nav[data-open="true"] .nav-links {
    display: flex;
  }

  .axis-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  :root {
    --pad-x: 1.15rem;
  }

  .hero {
    padding-top: 6.2rem;
  }

  .hero h1,
  .page-hero h1,
  .page-hero h2 {
    max-width: 100%;
  }

  .hero-deck {
    font-size: 1.2rem;
  }

  .axis-grid,
  .kpi-row,
  .stat-row {
    grid-template-columns: 1fr;
  }

  .criteria-row {
    grid-template-columns: 1fr;
  }

  .citation-note {
    left: auto;
    right: 0;
  }

  .voice-quote,
  .voice-quote-inline {
    padding-left: 2.7rem;
  }

  .voice-quote::before,
  .voice-quote-inline::before {
    font-size: 3.7rem;
    top: -0.3rem;
  }

  .use-case-card {
    padding: 1.4rem;
  }
}

/* Emphasis modifier for load-bearing thesis steps (e.g. The Window) */
.argument-item.argument-item-emphasis {
  border-left: 3px solid var(--amber);
  background: linear-gradient(180deg, rgba(193, 122, 47, 0.08) 0%, rgba(193, 122, 47, 0.03) 100%);
}