.lh-page {
  --lh-blue: #276ef1;
  --lh-blue-soft: #eaf1ff;
  --lh-green: #5fd09b;
  --lh-amber: #f1bd62;
}

.lh-page .eyebrow { color: var(--lh-blue); }
.lh-page .band .eyebrow { color: #8db2ff; }
.lh-page h1 em { color: var(--lh-blue); }
.lh-page .living-status i { background: var(--lh-blue); box-shadow: 0 0 0 4px rgba(39, 110, 241, .11); }
.lh-hero { padding-bottom: 72px; }
.lh-hero h1 { max-width: 1010px; }
.lh-hero .lede { max-width: 860px; }

.definition-card {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  gap: 20px 36px;
  margin-top: 68px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.definition-card > p { max-width: 820px; margin: 0; font-family: "Source Serif 4", serif; font-size: 23px; line-height: 1.35; }
.definition-axis { grid-column: 2; display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px 22px; }
.definition-axis span { padding-top: 10px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; }
.definition-axis b { display: block; margin-bottom: 2px; color: var(--ink); text-transform: uppercase; letter-spacing: .08em; font-size: 9px; }

.lh-guide-grid a { min-height: 238px; }
.lh-guide-grid span { color: var(--lh-blue); }

.lh-map-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.lh-map-card {
  min-height: 260px;
  padding: 24px;
  border: 0;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background .18s ease, box-shadow .18s ease;
}
.lh-map-card:hover, .lh-map-card:focus-visible { background: var(--paper); box-shadow: inset 0 -3px 0 var(--lh-blue); outline: 0; }
.lh-map-card .map-index { color: var(--lh-blue); }
.lh-map-card h3 { min-height: 62px; margin: 36px 0 10px; font-family: "Source Serif 4", serif; font-size: 25px; line-height: 1.1; }
.lh-map-card p { min-height: 64px; margin-bottom: 17px; color: var(--muted); font-size: 12px; }
.lh-map-card .map-question { font-size: 11px; }

.lh-loop-band .section-head { align-items: end; }
.agent-loop {
  padding: 32px;
  border: 1px solid #35363a;
  border-radius: 20px;
  background:
    radial-gradient(circle at 52% 20%, rgba(39, 110, 241, .16), transparent 34%),
    linear-gradient(145deg, #1d1d20, #171719 68%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.035), 0 24px 54px rgba(0,0,0,.18);
}
.loop-track { display: grid; grid-template-columns: repeat(4, minmax(28px, auto) minmax(128px, 1fr)) minmax(128px, 1fr); align-items: center; gap: 10px; }
.loop-track > i { color: #777a85; font-style: normal; text-align: center; }
.loop-node { min-height: 148px; padding: 14px; border: 1px solid #3b3c41; border-radius: 13px; background: rgba(29, 30, 34, .88); }
.loop-node span { display: inline-grid; width: 24px; height: 24px; place-items: center; border: 1px solid #494b53; border-radius: 50%; color: #a9acb7; font-size: 8px; font-weight: 800; }
.loop-node small { display: block; margin: 22px 0 2px; color: #888b96; text-transform: uppercase; letter-spacing: .1em; font-size: 8px; font-weight: 800; }
.loop-node strong { display: block; font-family: "Source Serif 4", serif; font-size: 25px; }
.loop-node em { display: block; margin-top: 8px; color: #8f929b; font-size: 9px; font-style: normal; }
.loop-node.active { border-color: rgba(39, 110, 241, .68); background: rgba(32, 47, 80, .7); }
.loop-node.active strong { color: #a8c3ff; }
.loop-node.verify { border-color: rgba(95, 208, 155, .5); }
.loop-node.verify strong { color: #9fe0bd; }
.decision-rail { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin: 16px 0; padding: 13px; border: 1px solid #33343a; border-radius: 11px; background: #141416; }
.decision-rail span { color: #858892; font-size: 9px; text-align: center; }
.decision-rail b { margin-right: 4px; color: #c6c8cf; text-transform: uppercase; letter-spacing: .08em; font-size: 8px; }
.state-stack { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid #34353a; border-left: 1px solid #34353a; }
.state-stack > div { min-height: 88px; padding: 17px; border-right: 1px solid #34353a; border-bottom: 1px solid #34353a; }
.state-stack small { display: block; margin-bottom: 7px; color: #7d8089; text-transform: uppercase; letter-spacing: .09em; font-size: 8px; font-weight: 800; }
.state-stack strong { color: #d9dbe1; font-size: 10px; line-height: 1.6; }

.boundary-equation { margin: -8px 0 26px; overflow-x: auto; }
.boundary-equation code { display: block; min-width: max-content; padding: 18px 22px; border: 1px solid var(--line); border-radius: 12px; background: var(--paper); color: #303540; font-size: 14px; text-align: center; }
.boundary-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.boundary-grid article { padding: 27px; border: 1px solid var(--line); border-radius: 14px; background: var(--paper); }
.boundary-label { display: inline-flex; padding: 5px 8px; border-radius: 999px; font-size: 9px; font-weight: 800; letter-spacing: .08em; }
.boundary-label.model { background: var(--lh-blue-soft); color: #2057bf; }
.boundary-label.harness { background: #eceee6; color: #50554d; }
.boundary-label.bridge { background: #fff3dc; color: #8a611e; }
.boundary-grid h3 { margin: 30px 0 14px; font-family: "Source Serif 4", serif; font-size: 28px; }
.boundary-grid ul { margin: 0; padding-left: 18px; color: var(--muted); font-size: 12px; }
.boundary-grid li + li { margin-top: 7px; }
.boundary-test { margin: 24px 0 0; padding-top: 17px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; }
.boundary-test b { color: var(--ink); }
.boundary-grid .boundary-bridge { grid-column: 1 / -1; display: grid; grid-template-columns: 160px 1fr; align-items: start; gap: 12px 30px; background: #fffaf0; }
.boundary-bridge h3 { grid-column: 2; grid-row: 1; margin: 0; }
.boundary-bridge p { grid-column: 2; margin: -2px 0 0; color: var(--muted); font-size: 12px; }

.lh-page .evidence-level { color: #2057bf; background: var(--lh-blue-soft); }
.lh-page .insight-no { color: var(--lh-blue); }
.lh-page .evidence-item::before { background: var(--lh-blue); }
.lh-page .evidence-type.official { color: #2057bf; background: var(--lh-blue-soft); }

.benchmark-section .section-head p { color: #aeb1b8; }
.benchmark-toolbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; color: #aeb1b8; font-size: 11px; }
.view-toggle { display: flex; padding: 3px; border: 1px solid #3a3b40; border-radius: 9px; background: #111113; }
.view-toggle button { min-height: 30px; padding: 0 12px; border: 0; border-radius: 6px; background: transparent; color: #8d9099; cursor: pointer; font: inherit; font-size: 9px; font-weight: 700; }
.view-toggle button.active { background: #2a2b30; color: #f3f3ee; }
.benchmark-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.benchmark-card { min-height: 315px; padding: 22px; border: 1px solid #36373c; border-radius: 13px; background: #1c1c1f; }
.benchmark-card-head { display: flex; justify-content: space-between; gap: 12px; }
.benchmark-card-head span { color: #747781; font-family: "Source Serif 4", serif; font-size: 20px; }
.benchmark-card h3 { margin: 0; font-family: "Source Serif 4", serif; font-size: 25px; }
.benchmark-card h3 a { text-decoration: none; }
.benchmark-card h3 a:hover { text-decoration: underline; text-underline-offset: 3px; }
.benchmark-domain { min-height: 40px; margin: 8px 0 18px; color: #a8abb3; font-size: 11px; }
.benchmark-facts { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid #34353a; border-left: 1px solid #34353a; }
.benchmark-facts div { min-height: 70px; padding: 11px; border-right: 1px solid #34353a; border-bottom: 1px solid #34353a; color: #b4b7bf; font-size: 9px; }
.benchmark-facts b { display: block; margin-bottom: 5px; color: #737680; text-transform: uppercase; letter-spacing: .08em; font-size: 7px; }
.benchmark-strength, .benchmark-blind { margin: 14px 0 0; font-size: 10px; }
.benchmark-strength { color: #c5c8d0; }
.benchmark-blind { color: #858892; }
.benchmark-strength b, .benchmark-blind b { margin-right: 5px; color: #8db2ff; font-size: 8px; letter-spacing: .08em; }

.benchmark-matrix { grid-column: 1 / -1; overflow-x: auto; border: 1px solid #36373c; border-radius: 13px; }
.benchmark-table { width: 100%; min-width: 960px; border-collapse: collapse; color: #c7c9d0; font-size: 10px; }
.benchmark-table th { padding: 13px; border-bottom: 1px solid #404147; color: #858892; text-align: left; text-transform: uppercase; letter-spacing: .08em; font-size: 8px; }
.benchmark-table td { padding: 14px 13px; border-bottom: 1px solid #303136; vertical-align: top; }
.benchmark-table tr:last-child td { border-bottom: 0; }
.benchmark-table a { color: #eef0f4; font-weight: 700; text-decoration: none; }
.benchmark-table a:hover { text-decoration: underline; }

.lh-paper-list .paper { grid-template-columns: 70px minmax(0, 1.1fr) minmax(240px, .9fr); }
.lh-paper-list .paper h3 { font-size: 22px; }
.source-kicker { display: flex; align-items: center; gap: 7px; margin-bottom: 8px; }
.source-kind { padding: 4px 7px; border-radius: 999px; background: #eceee6; color: #5a5e56; text-transform: uppercase; letter-spacing: .08em; font-size: 8px; font-weight: 800; }
.source-kind.training { background: #fff1d8; color: #8b5f14; }
.source-kind.benchmark { background: var(--lh-blue-soft); color: #2057bf; }
.source-kind.official-report { background: #e9f6ee; color: #28754f; }
.source-status { color: var(--muted); text-transform: uppercase; letter-spacing: .07em; font-size: 8px; font-weight: 800; }
.paper-caveat { margin: 12px 0 0; color: var(--muted); font-size: 10px; }
.paper-caveat b { color: var(--ink); }
.lh-page .tag { font-size: 9px; }

.gap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.gap-grid article { min-height: 300px; padding: 23px; border: 1px solid var(--line); border-radius: 13px; background: var(--paper); }
.gap-grid article > span { color: var(--lh-blue); text-transform: uppercase; letter-spacing: .09em; font-size: 8px; font-weight: 800; }
.gap-grid h3 { min-height: 60px; margin: 42px 0 11px; font-family: "Source Serif 4", serif; font-size: 25px; line-height: 1.1; }
.gap-grid p { min-height: 74px; color: var(--muted); font-size: 11px; }
.gap-grid b { display: block; margin-top: 20px; padding-top: 14px; border-top: 1px solid var(--line); text-transform: uppercase; letter-spacing: .08em; font-size: 8px; }
.gap-grid small { display: block; margin-top: 6px; color: var(--muted); font-size: 9px; line-height: 1.5; }

.lh-path-grid article { min-height: 300px; }
.lh-path-grid h3 { margin-top: 42px; font-size: 27px; }
.method-section { padding-bottom: 72px; }
.method-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.method-grid > div { min-height: 205px; padding: 22px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.method-grid b { display: inline-grid; width: 26px; height: 26px; place-items: center; border-radius: 50%; background: var(--lh-blue-soft); color: var(--lh-blue); font-size: 10px; }
.method-grid h3 { margin: 35px 0 9px; font-family: "Source Serif 4", serif; font-size: 23px; }
.method-grid p { color: var(--muted); font-size: 11px; }
.scope-note { max-width: 820px; margin: 24px 0 0; color: var(--muted); font-size: 11px; }
.scope-note strong { color: var(--ink); }

@media (max-width: 1000px) {
  .lh-page .topbar nav { gap: 14px; font-size: 11px; }
  .lh-map-grid { grid-template-columns: repeat(2, 1fr); }
  .loop-track { grid-template-columns: repeat(9, minmax(0, auto)); overflow-x: auto; padding-bottom: 8px; }
  .loop-node { min-width: 140px; }
  .benchmark-grid, .gap-grid { grid-template-columns: repeat(2, 1fr); }
  .method-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 760px) {
  .lh-page .topbar nav a:not(:last-child) { display: none; }
  .definition-card { grid-template-columns: 1fr; }
  .definition-axis { grid-column: 1; grid-template-columns: 1fr; }
  .lh-map-grid, .boundary-grid, .benchmark-grid, .gap-grid, .method-grid, .state-stack { grid-template-columns: 1fr; }
  .lh-map-card { min-height: 225px; }
  .boundary-grid .boundary-bridge { grid-column: auto; display: block; }
  .boundary-bridge h3 { margin: 28px 0 12px; }
  .decision-rail { grid-template-columns: repeat(2, 1fr); }
  .agent-loop { padding: 20px; }
  .lh-filters { grid-template-columns: 1fr; }
  .lh-paper-list .paper { grid-template-columns: 52px 1fr; }
  .lh-paper-list .paper-meta { grid-column: 2; }
}

@media (max-width: 520px) {
  .lh-map-grid { grid-template-columns: 1fr; }
  .benchmark-toolbar { align-items: flex-start; gap: 12px; flex-direction: column; }
}

/* Research observatory visual system */
body.lh-page {
  --bg: #07100f;
  --paper: #0d1917;
  --ink: #edf8f4;
  --muted: #8da39d;
  --line: #223631;
  --soft: #13231f;
  --accent: #63f5c5;
  --accent-soft: rgba(99, 245, 197, .11);
  --lh-blue: #79a7ff;
  --lh-blue-soft: rgba(121, 167, 255, .13);
  --lh-green: #63f5c5;
  --lh-amber: #ffc971;
  color-scheme: dark;
  min-height: 100vh;
  background:
    radial-gradient(circle at 84% 8%, rgba(55, 130, 112, .16), transparent 28rem),
    radial-gradient(circle at 15% 34%, rgba(53, 91, 158, .12), transparent 34rem),
    var(--bg);
}

body.lh-page::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: .23;
  background-image:
    linear-gradient(rgba(125, 190, 172, .09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(125, 190, 172, .09) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, black, transparent 82%);
}

.lh-page a { text-decoration-color: rgba(99, 245, 197, .38); }
.lh-page .topbar {
  height: 72px;
  background: rgba(7, 16, 15, .82);
  border-color: rgba(99, 245, 197, .14);
  backdrop-filter: blur(20px) saturate(140%);
}
.lh-page .brand {
  position: relative;
  padding-left: 18px;
  color: var(--ink);
  font-family: "IBM Plex Mono", monospace;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -.02em;
}
.lh-page .brand::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 18px rgba(99, 245, 197, .72);
  transform: translateY(-50%);
}
.lh-page nav { gap: 22px; font-family: "IBM Plex Mono", monospace; font-size: 10px; letter-spacing: .04em; text-transform: uppercase; }
.lh-page nav a { color: #8fa8a1; }
.lh-page nav a:hover { color: var(--accent); }

.lh-page .eyebrow,
.lh-page .label,
.lh-page .source-kicker,
.lh-page .micro-label {
  font-family: "IBM Plex Mono", monospace;
}
.lh-page .eyebrow { color: var(--accent); font-size: 10px; letter-spacing: .18em; }
.lh-page .band .eyebrow { color: var(--accent); }
.lh-page .section { position: relative; padding-top: 112px; padding-bottom: 112px; }
.lh-page .section-head { border-top: 1px solid var(--line); padding-top: 20px; }
.lh-page .section-head h2 {
  max-width: 760px;
  color: var(--ink);
  font-family: Inter, sans-serif;
  font-size: clamp(38px, 5vw, 64px);
  font-weight: 650;
  letter-spacing: -.055em;
}

.lh-hero {
  isolation: isolate;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: 24px;
  padding-top: 128px;
  padding-bottom: 76px;
}
.lh-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: 112px;
  right: max(-80px, calc((100vw - var(--max)) / -2));
  width: min(48vw, 680px);
  aspect-ratio: 1;
  border: 1px solid rgba(99, 245, 197, .12);
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(99, 245, 197, .1) 0 1px, transparent 2px) 0 0 / 24px 24px,
    radial-gradient(circle, transparent 48%, rgba(99, 245, 197, .08) 48.2%, transparent 48.5%);
  opacity: .85;
}
.lh-hero > .eyebrow { grid-column: 1 / -1; }
.lh-hero h1 {
  grid-column: 1 / 11;
  max-width: 1100px;
  margin-top: 6px;
  color: var(--ink);
  font-family: Inter, sans-serif;
  font-size: clamp(58px, 8.4vw, 112px);
  font-weight: 750;
  line-height: .88;
  letter-spacing: -.07em;
}
.lh-page h1 em {
  color: var(--accent);
  font-family: "Source Serif 4", serif;
  font-weight: 500;
  font-style: italic;
  letter-spacing: -.055em;
}
.lh-hero .lede {
  grid-column: 1 / 8;
  max-width: 740px;
  margin-top: 18px;
  color: #a9bbb6;
  font-size: clamp(17px, 2vw, 22px);
}
.lh-hero .update-strip {
  grid-column: 9 / 13;
  grid-row: 3 / span 2;
  align-self: start;
  display: grid;
  width: 100%;
  margin: 18px 0 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: rgba(13, 25, 23, .78);
  font-family: "IBM Plex Mono", monospace;
  font-size: 9px;
}
.lh-page .living-status { color: var(--accent); text-transform: uppercase; letter-spacing: .08em; }
.lh-page .living-status i { background: var(--accent); box-shadow: 0 0 14px rgba(99, 245, 197, .74); }
.lh-page .update-date,
.lh-page .update-promise { margin: 12px 0 0; padding: 12px 0 0; border-top: 1px solid var(--line); border-left: 0; }
.lh-page .update-date time { color: var(--ink); }
.lh-hero .hero-actions { grid-column: 1 / 8; margin-top: 10px; }
.lh-page .button { min-height: 48px; border-radius: 4px; font-family: "IBM Plex Mono", monospace; font-size: 10px; text-transform: uppercase; letter-spacing: .04em; }
.lh-page .button.primary { background: var(--accent); color: #06100d; box-shadow: 0 12px 34px rgba(99, 245, 197, .13); }
.lh-page .button.secondary { border-color: var(--line); background: rgba(13, 25, 23, .72); color: var(--ink); }

.hero-metrics {
  grid-column: 9 / 13;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-self: end;
  margin-top: 14px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.hero-metrics div { min-height: 86px; padding: 13px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(8, 19, 17, .64); }
.hero-metrics strong { display: block; color: var(--accent); font-family: "IBM Plex Mono", monospace; font-size: 23px; font-weight: 500; }
.hero-metrics span { display: block; margin-top: 4px; color: var(--muted); font-family: "IBM Plex Mono", monospace; font-size: 8px; line-height: 1.4; text-transform: uppercase; letter-spacing: .05em; }

.definition-card {
  grid-column: 1 / -1;
  margin-top: 76px;
  padding: 30px;
  border: 1px solid var(--line);
  background: linear-gradient(110deg, rgba(99, 245, 197, .055), rgba(13, 25, 23, .52));
}
.definition-card > p { color: #d8e6e1; }
.definition-axis span { border-color: var(--line); }
.definition-axis b { color: var(--accent); font-family: "IBM Plex Mono", monospace; }

.lh-page .guide-grid,
.lh-map-grid,
.method-grid { border-color: var(--line); }
.lh-guide-grid a {
  min-height: 254px;
  border-color: var(--line);
  background: rgba(13, 25, 23, .56);
  transition: background .2s ease, transform .2s ease;
}
.lh-guide-grid a:hover { background: #11231f; transform: translateY(-3px); }
.lh-guide-grid span { color: var(--accent); }
.lh-guide-grid h3 { color: var(--ink); }

.lh-map-card { border-color: var(--line); background: rgba(9, 20, 18, .54); }
.lh-map-card:hover,
.lh-map-card:focus-visible { background: #10231f; box-shadow: inset 0 -3px 0 var(--accent); }
.lh-map-card .map-index {
  display: inline-grid;
  width: 34px;
  height: 24px;
  place-items: center;
  border: 1px solid rgba(99, 245, 197, .3);
  color: var(--accent);
  font-family: "IBM Plex Mono", monospace;
  font-size: 9px;
}
.lh-map-card h3 { color: var(--ink); font-family: Inter, sans-serif; font-weight: 620; letter-spacing: -.035em; }
.lh-map-card p { color: var(--muted); }
.lh-map-card .map-question { color: #c8d8d3; }

.lh-page .band {
  background: rgba(4, 11, 10, .72);
  color: var(--ink);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.lh-page .band p { color: var(--muted); }
.agent-loop {
  border-color: #29433c;
  border-radius: 8px;
  background:
    linear-gradient(rgba(99, 245, 197, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 245, 197, .035) 1px, transparent 1px),
    radial-gradient(circle at 52% 20%, rgba(99, 245, 197, .09), transparent 34%),
    #091310;
  background-size: 28px 28px, 28px 28px, auto, auto;
  box-shadow: 0 28px 80px rgba(0,0,0,.28);
}
.loop-node { border-color: #294039; border-radius: 5px; background: rgba(11, 24, 21, .94); }
.loop-node span { border-color: #34544b; color: var(--accent); font-family: "IBM Plex Mono", monospace; }
.loop-node small,
.loop-node em { color: #7d9790; font-family: "IBM Plex Mono", monospace; }
.loop-node strong { color: var(--ink); }
.loop-node.active { border-color: rgba(121, 167, 255, .65); background: rgba(25, 46, 68, .7); }
.loop-node.active strong { color: #9fc0ff; }
.loop-node.verify { border-color: rgba(99, 245, 197, .5); }
.loop-node.verify strong { color: var(--accent); }
.decision-rail { border-color: #21352f; border-radius: 4px; background: #060d0c; }
.decision-rail span { color: #829a94; font-family: "IBM Plex Mono", monospace; }
.decision-rail b { color: var(--accent); }
.state-stack,
.state-stack > div { border-color: #294039; }
.state-stack small { color: #799089; font-family: "IBM Plex Mono", monospace; }
.state-stack strong { color: #d8e7e2; }

.boundary-equation code { border-color: var(--line); border-radius: 4px; background: #081310; color: var(--accent); font-family: "IBM Plex Mono", monospace; }
.boundary-grid article { border-color: var(--line); border-radius: 6px; background: rgba(13, 25, 23, .74); }
.boundary-label { border: 1px solid currentColor; border-radius: 2px; background: transparent !important; font-family: "IBM Plex Mono", monospace; }
.boundary-label.model { color: #8fb4ff; }
.boundary-label.harness { color: #9cc9bb; }
.boundary-label.bridge { color: var(--lh-amber); }
.boundary-grid h3 { color: var(--ink); font-family: Inter, sans-serif; font-weight: 620; }
.boundary-grid ul,
.boundary-test,
.boundary-bridge p { color: var(--muted); }
.boundary-test { border-color: var(--line); }
.boundary-test b { color: var(--accent); }
.boundary-grid .boundary-bridge { background: rgba(255, 201, 113, .055); }

.lh-page .evidence-key { border-color: var(--line); color: var(--muted); font-family: "IBM Plex Mono", monospace; }
.lh-page .evidence-key b { color: var(--accent); }
.insight-list { gap: 14px; }
.lh-page .insight-card { border-color: var(--line); border-radius: 7px; background: rgba(13, 25, 23, .78); }
.lh-page .insight-card > h3 { color: var(--ink); font-family: Inter, sans-serif; font-weight: 620; letter-spacing: -.045em; }
.lh-page .insight-summary { color: #a9bbb5; }
.lh-page .evidence-block { border-color: var(--line); }
.lh-page .evidence-block h4 { color: var(--muted); font-family: "IBM Plex Mono", monospace; }
.lh-page .evidence-item { border-color: var(--line); border-radius: 4px; background: #091411; }
.lh-page .evidence-item a { color: #e9f7f2; }
.lh-page .evidence-type.direct { color: var(--accent); background: rgba(99, 245, 197, .1); }
.lh-page .evidence-type.official { color: #9cbcff; background: rgba(121, 167, 255, .12); }
.lh-page .synthesis-block > div { border: 1px solid var(--line); border-radius: 4px; background: #06100e; }
.lh-page .synthesis-block p { color: #a5b8b2; }
.lh-page .micro-label { color: var(--accent); }
.lh-page .gap-label { color: var(--lh-amber); }
.lh-page .hypothesis-box { border-color: #36544b; border-radius: 4px; }
.lh-page .hypothesis-box summary { color: var(--accent); font-family: "IBM Plex Mono", monospace; }

.benchmark-section { background: #050c0b !important; }
.benchmark-toolbar { color: var(--muted); font-family: "IBM Plex Mono", monospace; }
.view-toggle { border-color: var(--line); border-radius: 4px; background: #08110f; }
.view-toggle button { border-radius: 2px; color: var(--muted); font-family: "IBM Plex Mono", monospace; }
.view-toggle button.active { background: var(--accent); color: #06100d; }
.benchmark-card { border-color: #243a34; border-radius: 5px; background: #0b1714; }
.benchmark-card h3 a { color: var(--ink); }
.benchmark-card-head span { color: var(--accent); font-family: "IBM Plex Mono", monospace; }
.benchmark-domain { color: var(--muted); }
.benchmark-facts,
.benchmark-facts div { border-color: #233730; }
.benchmark-facts div { color: #a8bcb6; background: rgba(7, 16, 14, .54); }
.benchmark-facts b { color: var(--accent); font-family: "IBM Plex Mono", monospace; }
.benchmark-strength { color: #cbd9d5; }
.benchmark-blind { color: #80958f; }
.benchmark-strength b,
.benchmark-blind b { color: var(--accent); font-family: "IBM Plex Mono", monospace; }
.benchmark-matrix { border-color: var(--line); border-radius: 4px; }
.benchmark-table { color: #bed0ca; }
.benchmark-table th { border-color: #294039; color: var(--accent); font-family: "IBM Plex Mono", monospace; }
.benchmark-table td { border-color: #1e302b; }

.lh-page .filters { gap: 8px; }
.lh-page .searchbox,
.lh-page select,
.lh-page .clear-button {
  border-color: var(--line);
  border-radius: 3px;
  background: #0b1714;
  color: var(--ink);
  font-family: "IBM Plex Mono", monospace;
}
.lh-page .searchbox input { color: var(--ink); }
.lh-page .searchbox input::placeholder { color: #60756f; }
.lh-page .clear-button { color: var(--accent); }
.lh-page .paper-list { display: grid; gap: 8px; border: 0; }
.lh-page .paper { padding: 24px; border: 1px solid var(--line); background: rgba(11, 23, 20, .62); }
.lh-page .paper:hover { border-color: #38574e; background: #0e1d19; }
.lh-page .paper-year { color: var(--accent); font-family: "IBM Plex Mono", monospace; font-size: 14px; }
.lh-page .paper h3 { color: var(--ink); }
.lh-page .paper .authors,
.lh-page .meta-row,
.lh-page .paper-caveat { color: var(--muted); }
.lh-page .paper .takeaway { color: #bdcec9; }
.lh-page .meta-row strong,
.lh-page .paper-caveat b { color: #dceae6; }
.lh-page .tag { border-color: #2a433c; background: rgba(99, 245, 197, .04); color: #9db1ab; font-family: "IBM Plex Mono", monospace; }
.source-kind { border: 1px solid #355047; border-radius: 2px; background: transparent; color: #a7beb7; font-family: "IBM Plex Mono", monospace; }
.source-kind.training { border-color: rgba(255, 201, 113, .42); background: transparent; color: var(--lh-amber); }
.source-kind.benchmark { border-color: rgba(121, 167, 255, .45); background: transparent; color: #9bbcff; }
.source-kind.official-report { border-color: rgba(99, 245, 197, .4); background: transparent; color: var(--accent); }

.gap-grid article { border-color: var(--line); border-radius: 5px; background: rgba(13, 25, 23, .72); }
.gap-grid article:hover { border-color: #3b5d53; }
.gap-grid article > span { color: var(--accent); font-family: "IBM Plex Mono", monospace; }
.gap-grid h3 { color: var(--ink); font-family: Inter, sans-serif; font-weight: 620; letter-spacing: -.035em; }
.gap-grid p,
.gap-grid small { color: var(--muted); }
.gap-grid b { border-color: var(--line); color: var(--lh-amber); font-family: "IBM Plex Mono", monospace; }

.lh-page .path-grid article { border-color: #294039; border-radius: 5px; background: rgba(10, 22, 19, .7); }
.lh-page .path-no { color: var(--accent); font-family: "IBM Plex Mono", monospace; }
.lh-page .path-grid h3 { color: var(--ink); font-family: Inter, sans-serif; font-weight: 620; letter-spacing: -.04em; }
.lh-page .path-grid strong { color: var(--accent); font-family: "IBM Plex Mono", monospace; }

.method-grid > div { border-color: var(--line); background: rgba(13, 25, 23, .54); }
.method-grid b { border-radius: 2px; background: var(--accent); color: #06100d; font-family: "IBM Plex Mono", monospace; }
.method-grid h3 { color: var(--ink); font-family: Inter, sans-serif; font-weight: 620; }
.method-grid p,
.scope-note { color: var(--muted); }
.scope-note strong { color: var(--accent); }
.lh-page .text-link { color: var(--accent); font-family: "IBM Plex Mono", monospace; font-size: 10px; text-transform: uppercase; }
.lh-page footer { border-color: var(--line); background: #050c0b; }
.lh-page .footer-grid strong,
.lh-page .ai-disclosure strong { color: var(--ink); }
.lh-page .ai-disclosure { border-color: var(--line); }
.lh-page .ai-disclosure strong { font-family: "IBM Plex Mono", monospace; }
.lh-page .ai-disclosure strong span { color: var(--accent); }

@media (max-width: 1000px) {
  .lh-page nav { gap: 13px; font-size: 9px; }
  .lh-hero h1 { grid-column: 1 / -1; }
  .lh-hero .lede { grid-column: 1 / 8; }
  .lh-hero .update-strip,
  .hero-metrics { grid-column: 8 / 13; }
}

@media (max-width: 900px) {
  .lh-hero { display: block; }
  .lh-hero::before { width: 72vw; opacity: .5; }
  .lh-hero .lede { max-width: 720px; }
  .lh-hero .update-strip { max-width: 520px; margin-top: 26px; }
  .hero-metrics { max-width: 520px; margin-top: 12px; }
  .definition-card { margin-top: 54px; }
}

@media (max-width: 620px) {
  .lh-page .topbar { height: 60px; }
  .lh-page .brand { font-size: 12px; }
  .lh-page .section { padding-top: 80px; padding-bottom: 80px; }
  .lh-hero { padding-top: 82px; }
  .lh-hero::before { top: 78px; right: -45%; width: 128vw; }
  .lh-hero h1 { font-size: clamp(47px, 14.4vw, 68px); line-height: .92; }
  .lh-hero .lede { margin-top: 28px; font-size: 17px; }
  .lh-hero .update-strip { padding: 15px; }
  .hero-metrics { grid-template-columns: 1fr 1fr; }
  .hero-metrics div { min-height: 82px; }
  .definition-card { display: block; padding: 21px; }
  .definition-card > p { margin: 18px 0 26px; font-size: 20px; }
  .definition-axis { display: grid; }
  .lh-page .section-head { gap: 20px; }
  .lh-page .section-head h2 { font-size: 39px; }
  .lh-page .insight-card,
  .lh-page .paper,
  .gap-grid article { padding: 20px; }
  .lh-paper-list .paper { grid-template-columns: 1fr; }
  .lh-paper-list .paper-meta { grid-column: 1; }
}