:root {
  --ink: #122729;
  --ink-soft: #405557;
  --paper: #f5f2e9;
  --paper-deep: #eae6da;
  --white: #fffef9;
  --line: #d8d8cc;
  --aqua: #83d9cc;
  --aqua-deep: #0f796f;
  --teal: #123f42;
  --blue: #7bb9d0;
  --ochre: #e7b65c;
  --coral: #d97860;
  --violet: #9c8bc6;
  --shadow: 0 18px 55px rgba(18, 39, 41, .1);
  --radius: 18px;
  --container: min(1180px, calc(100% - 40px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 110px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; }
a { color: inherit; text-decoration-color: rgba(15, 121, 111, .42); text-underline-offset: 3px; }
a:hover { text-decoration-color: currentColor; }
button, input { font: inherit; }
button { cursor: pointer; }
.container { width: var(--container); margin-inline: auto; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 200;
  padding: 10px 16px;
  color: white;
  background: var(--ink);
  transform: translateY(-160%);
}
.skip-link:focus { transform: none; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(216, 216, 204, .8);
  background: rgba(245, 242, 233, .93);
  backdrop-filter: blur(16px);
}
.header-inner {
  min-height: 80px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 30px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  letter-spacing: -.02em;
}
.brand > span:last-child { display: flex; flex-direction: column; line-height: 1.05; }
.brand strong { font-size: 21px; }
.brand small { margin-top: 6px; color: var(--ink-soft); font-size: 9px; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; }
.brand-mark { position: relative; width: 34px; height: 38px; display: block; }
.brand-mark i { position: absolute; display: block; border: 2px solid var(--ink); border-radius: 50% 50% 50% 10%; transform: rotate(45deg); }
.brand-mark i:nth-child(1) { width: 22px; height: 22px; left: 2px; top: 1px; background: var(--aqua); }
.brand-mark i:nth-child(2) { width: 16px; height: 16px; right: 0; bottom: 1px; background: var(--ochre); }
.brand-mark i:nth-child(3) { width: 10px; height: 10px; left: 2px; bottom: 2px; background: var(--white); }
.primary-nav { display: flex; justify-content: center; align-items: center; gap: 26px; }
.primary-nav a { position: relative; font-size: 14px; font-weight: 700; text-decoration: none; }
.primary-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -7px; height: 2px; background: var(--aqua-deep); transition: right .2s; }
.primary-nav a:hover::after { right: 0; }
.header-search { display: flex; height: 40px; border: 1px solid var(--line); border-radius: 999px; background: var(--white); overflow: hidden; }
.header-search input { width: 190px; padding: 0 8px 0 16px; border: 0; outline: 0; background: transparent; font-size: 13px; }
.header-search button { border: 0; padding: 0 15px; color: white; background: var(--ink); font-size: 12px; font-weight: 800; }
.nav-toggle { display: none; }

/* Breadcrumbs */
.breadcrumbs { padding-block: 16px; font-size: 12px; }
.breadcrumbs ol { display: flex; align-items: center; gap: 8px; margin: 0; padding: 0; list-style: none; color: #67787a; }
.breadcrumbs li + li::before { content: "/"; margin-right: 8px; color: #aab2ae; }
.breadcrumbs a { text-decoration: none; }
.breadcrumbs span { color: var(--ink); }

/* Shared headings */
.section { padding-block: 96px; }
.section-tint { background: var(--paper-deep); }
.section-heading { margin-bottom: 38px; max-width: 760px; }
.section-heading h2 { margin: 7px 0 10px; font-family: Georgia, "Times New Roman", serif; font-size: clamp(34px, 4vw, 51px); font-weight: 500; letter-spacing: -.035em; line-height: 1.03; }
.section-heading p { margin: 0; color: var(--ink-soft); font-size: 18px; }
.split-heading { max-width: none; display: grid; grid-template-columns: 1.25fr .75fr; gap: 80px; align-items: end; }
.split-heading p { padding-bottom: 4px; }
.kicker { color: var(--aqua-deep); font-size: 11px; font-weight: 900; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; color: var(--aqua-deep); font-size: 11px; font-weight: 900; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow i { width: 22px; height: 2px; background: currentColor; }
.badge { display: inline-flex; align-items: center; width: max-content; padding: 4px 9px; border-radius: 99px; color: var(--ink); background: rgba(131, 217, 204, .34); font-size: 10px; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; text-decoration: none; }

/* Homepage hero */
.hero { position: relative; min-height: 650px; padding-block: 72px 78px; overflow: hidden; border-bottom: 1px solid var(--line); }
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(18,39,41,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(18,39,41,.045) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(to right, transparent, black 35%, black);
  pointer-events: none;
}
.hero-grid { position: relative; display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 70px; }
.hero h1 { max-width: 690px; margin: 18px 0 22px; font-family: Georgia, "Times New Roman", serif; font-size: clamp(48px, 5.6vw, 78px); font-weight: 400; line-height: .98; letter-spacing: -.055em; }
.hero h1 em, .graph-hero h1 em { color: var(--aqua-deep); font-weight: 400; }
.hero-copy > p { max-width: 650px; margin: 0 0 30px; color: var(--ink-soft); font-size: 19px; }
.hero-search { max-width: 650px; padding: 7px; border: 1px solid #cad0c7; border-radius: 15px; background: var(--white); box-shadow: 0 12px 30px rgba(18,39,41,.08); }
.hero-search > label { display: block; padding: 5px 10px 1px; color: #6e7e7f; font-size: 10px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.hero-search > div { display: flex; }
.hero-search input { min-width: 0; flex: 1; padding: 10px; border: 0; outline: 0; background: transparent; font-size: 15px; }
.hero-search button, .large-search button { padding: 12px 19px; border: 0; border-radius: 10px; color: white; background: var(--ink); font-size: 13px; font-weight: 800; }
.popular-searches { margin-top: 18px; display: flex; flex-wrap: wrap; align-items: center; gap: 9px; font-size: 12px; }
.popular-searches span { color: #728082; font-weight: 800; }
.popular-searches a { padding: 4px 10px; border: 1px solid var(--line); border-radius: 99px; text-decoration: none; background: rgba(255,255,255,.45); }
.knowledge-visual { position: relative; min-height: 490px; border: 1px solid #cbd1c9; border-radius: 26px; background: rgba(255,254,249,.75); box-shadow: var(--shadow); overflow: hidden; }
.knowledge-visual::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(#b7c4bc 1px, transparent 1px); background-size: 22px 22px; opacity: .65; }
.visual-label { position: absolute; top: 21px; left: 23px; color: #6f7d7d; font-size: 9px; font-weight: 900; letter-spacing: .14em; }
.node { position: absolute; z-index: 2; display: flex; align-items: center; justify-content: center; padding: 11px 16px; border: 1px solid var(--ink); border-radius: 99px; background: var(--white); box-shadow: 0 6px 14px rgba(18,39,41,.09); font-size: 12px; font-weight: 900; text-decoration: none; }
.node::after { content: ""; position: absolute; border-top: 1px dashed #819492; z-index: -1; transform-origin: left center; }
.node-main { left: 50%; top: 46%; width: 122px; height: 122px; flex-direction: column; transform: translate(-50%, -50%); border-radius: 50%; color: white; border: 5px solid #c9ede7; background: var(--teal); font-family: Georgia, serif; font-size: 23px; }
.node-main small { display: block; margin-top: 3px; opacity: .65; font-family: Inter, sans-serif; font-size: 7px; letter-spacing: .1em; text-transform: uppercase; }
.node-main::after { display: none; }
.node-a { left: 7%; top: 17%; background: #d9f1ed; }
.node-a::after { width: 145px; left: 90%; top: 100%; transform: rotate(34deg); }
.node-b { right: 7%; top: 18%; background: #f7e2ba; }
.node-b::after { width: 130px; right: 90%; top: 100%; transform: rotate(146deg); transform-origin: right center; }
.node-c { left: 5%; bottom: 20%; background: #d6eaf1; }
.node-c::after { width: 140px; left: 93%; bottom: 90%; transform: rotate(-29deg); }
.node-d { right: 7%; bottom: 19%; background: #efd5ce; }
.node-d::after { width: 130px; right: 90%; bottom: 90%; transform: rotate(211deg); transform-origin: right center; }
.edge { position: absolute; z-index: 3; padding: 1px 5px; color: #758684; background: var(--white); font-size: 8px; font-weight: 800; text-transform: uppercase; }
.edge-a { left: 29%; top: 31%; transform: rotate(32deg); }
.edge-b { right: 29%; top: 31%; transform: rotate(-30deg); }
.edge-c { left: 28%; bottom: 33%; transform: rotate(-26deg); }
.edge-d { right: 28%; bottom: 32%; transform: rotate(27deg); }
.visual-link { position: absolute; z-index: 4; left: 24px; right: 24px; bottom: 18px; display: flex; justify-content: space-between; padding-top: 13px; border-top: 1px solid var(--line); font-size: 12px; font-weight: 800; text-decoration: none; }

/* Cards */
.topic-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.topic-card { position: relative; min-height: 390px; padding: 29px; border: 1px solid rgba(18,39,41,.2); border-radius: var(--radius); overflow: hidden; text-decoration: none; transition: transform .22s, box-shadow .22s; }
.topic-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.topic-card::after { content: ""; position: absolute; width: 240px; height: 240px; right: -95px; top: -105px; border: 1px solid rgba(18,39,41,.16); border-radius: 50%; box-shadow: 0 0 0 30px rgba(255,255,255,.1), 0 0 0 60px rgba(255,255,255,.1); }
.topic-nem { background: #cfe9ed; }
.topic-rutubet { background: #ead7b1; }
.topic-kuf { background: #dfc8c3; }
.topic-number { position: relative; z-index: 1; color: rgba(18,39,41,.55); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 10px; font-weight: 800; }
.topic-icon { position: absolute; right: 26px; top: 25px; z-index: 1; display: grid; width: 62px; height: 62px; place-items: center; border: 1px solid rgba(18,39,41,.45); border-radius: 50%; background: rgba(255,255,255,.25); font-family: Georgia, serif; font-size: 23px; }
.topic-card h3 { margin: 92px 0 12px; font-family: Georgia, serif; font-size: 43px; font-weight: 500; letter-spacing: -.04em; }
.topic-card p { max-width: 330px; margin: 0; color: #344b4c; font-size: 15px; }
.topic-meta { display: block; margin-top: 28px; color: #506264; font-size: 10px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.card-action { position: absolute; left: 29px; right: 29px; bottom: 24px; display: flex; justify-content: space-between; padding-top: 14px; border-top: 1px solid rgba(18,39,41,.2); font-size: 12px; font-weight: 900; }
.article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.article-card { display: flex; min-height: 290px; flex-direction: column; padding: 25px; border: 1px solid var(--line); border-radius: 15px; background: var(--white); }
.card-top { display: flex; justify-content: space-between; align-items: center; color: #6f7d7d; font-size: 10px; font-weight: 800; text-transform: uppercase; }
.article-card h3 { margin: 25px 0 12px; font-family: Georgia, serif; font-size: 26px; font-weight: 500; line-height: 1.15; letter-spacing: -.025em; }
.article-card h3 a { text-decoration: none; }
.article-card > p { margin: 0; color: var(--ink-soft); font-size: 14px; }
.card-footer { display: flex; justify-content: space-between; align-items: end; margin-top: auto; padding-top: 20px; color: #6d7b7c; font-size: 10px; }
.card-footer a { color: var(--aqua-deep); font-size: 12px; font-weight: 900; text-decoration: none; }
.graph-preview { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; align-items: start; }
.graph-preview .split-heading { display: block; }
.relationship-list { border-top: 1px solid var(--line); }
.relationship-row { display: grid; grid-template-columns: 1fr .8fr 1fr; align-items: center; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 13px; }
.relationship-row > a { font-family: Georgia, serif; font-size: 18px; text-decoration: none; }
.relationship-row > a:last-child { text-align: right; }
.relationship-row span { color: #68787a; font-size: 9px; font-weight: 800; letter-spacing: .07em; text-align: center; text-transform: uppercase; }
.relationship-row b { color: var(--aqua-deep); }
.principle-band { padding-block: 54px; color: white; background: var(--teal); }
.principle-band .container { display: grid; grid-template-columns: 150px 1fr auto; align-items: center; gap: 35px; }
.principle-band span { color: var(--aqua); font-size: 10px; font-weight: 900; letter-spacing: .16em; }
.principle-band blockquote { margin: 0; font-family: Georgia, serif; font-size: 24px; line-height: 1.3; }
.principle-band a { color: var(--aqua); font-size: 12px; font-weight: 900; text-decoration: none; white-space: nowrap; }

/* Topic pages */
.topic-hero { padding: 76px 0 86px; border-bottom: 1px solid rgba(18,39,41,.2); }
.topic-hero-nem { background: #cfe9ed; }
.topic-hero-rutubet { background: #ead7b1; }
.topic-hero-kuf { background: #dfc8c3; }
.topic-hero-grid { display: grid; grid-template-columns: 1fr 280px; gap: 80px; align-items: center; }
.topic-hero h1 { margin: 10px 0 12px; font-family: Georgia, serif; font-size: clamp(60px, 8vw, 102px); font-weight: 400; line-height: .95; letter-spacing: -.06em; }
.topic-hero p { max-width: 760px; color: #30484a; font-size: 19px; }
.topic-stats { display: flex; gap: 30px; margin-top: 28px; }
.topic-stats span { color: #526465; font-size: 10px; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.topic-stats b { display: block; color: var(--ink); font-family: Georgia, serif; font-size: 29px; font-weight: 500; line-height: 1; }
.topic-symbol { display: grid; width: 240px; height: 240px; place-items: center; border: 1px solid rgba(18,39,41,.45); border-radius: 50%; box-shadow: 0 0 0 25px rgba(255,255,255,.15), 0 0 0 50px rgba(255,255,255,.1); font-family: Georgia, serif; font-size: 70px; }
.topic-symbol small { align-self: start; margin-top: -77px; font-family: ui-monospace, monospace; font-size: 10px; }
.topic-layout { display: grid; grid-template-columns: 240px 1fr; gap: 90px; }
.topic-aside { position: sticky; top: 120px; align-self: start; }
.topic-aside h2 { margin: 0 0 14px; color: #69797a; font-size: 10px; letter-spacing: .12em; text-transform: uppercase; }
.topic-aside nav { border-top: 1px solid var(--line); }
.topic-aside a { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 13px; font-weight: 700; text-decoration: none; }
.topic-aside a span { color: var(--aqua-deep); }
.stacked-articles { border-top: 1px solid var(--line); }
.stacked-articles article { display: grid; grid-template-columns: 45px 1fr auto; gap: 22px; align-items: center; padding: 26px 0; border-bottom: 1px solid var(--line); }
.article-index { align-self: start; color: #849190; font-family: ui-monospace, monospace; font-size: 11px; }
.stacked-articles h3 { margin: 8px 0 4px; font-family: Georgia, serif; font-size: 27px; font-weight: 500; }
.stacked-articles h3 a { text-decoration: none; }
.stacked-articles p { margin: 0; color: var(--ink-soft); font-size: 14px; }
.round-arrow { display: grid; width: 42px; height: 42px; place-items: center; border: 1px solid var(--line); border-radius: 50%; text-decoration: none; transition: .2s; }
.round-arrow:hover { color: white; border-color: var(--ink); background: var(--ink); }

/* Article */
.article-header { display: grid; grid-template-columns: 1fr 330px; gap: 90px; align-items: end; padding-top: 65px; padding-bottom: 65px; }
.article-labels { display: flex; align-items: center; gap: 12px; color: #718080; font-size: 10px; font-weight: 800; text-transform: uppercase; }
.article-heading h1 { max-width: 820px; margin: 18px 0 18px; font-family: Georgia, serif; font-size: clamp(45px, 5vw, 68px); font-weight: 400; line-height: 1.02; letter-spacing: -.05em; }
.dek { max-width: 780px; color: var(--ink-soft); font-size: 19px; }
.article-byline { display: flex; align-items: center; gap: 12px; margin-top: 28px; }
.author-mark { display: grid; width: 42px; height: 42px; place-items: center; border-radius: 50%; color: white; background: var(--teal); font-family: Georgia, serif; font-size: 12px; }
.article-byline > span:last-child { display: flex; flex-direction: column; font-size: 12px; }
.article-byline small { margin-top: 2px; color: #6f7f80; font-size: 10px; }
.answer-card { position: relative; padding: 28px; border: 1px solid #aaccc6; border-radius: 17px; background: #dff2ee; box-shadow: 12px 12px 0 #c6e4df; }
.answer-card > span { color: var(--aqua-deep); font-size: 9px; font-weight: 900; letter-spacing: .16em; }
.answer-card p { margin: 13px 0; font-family: Georgia, serif; font-size: 20px; line-height: 1.4; }
.answer-card small { color: #647676; font-size: 9px; }
.article-shell { display: grid; grid-template-columns: 200px minmax(0, 720px) 180px; gap: 50px; align-items: start; padding-bottom: 96px; }
.toc { position: sticky; top: 115px; padding-top: 24px; border-top: 2px solid var(--ink); }
.toc > strong { display: block; margin-bottom: 11px; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
.toc ol { margin: 0; padding: 0; list-style: none; counter-reset: toc; }
.toc li { counter-increment: toc; }
.toc a { position: relative; display: block; padding: 6px 0 6px 24px; color: #687879; font-size: 11px; line-height: 1.35; text-decoration: none; }
.toc a::before { content: counter(toc, decimal-leading-zero); position: absolute; left: 0; color: #9aa4a1; font-family: ui-monospace, monospace; font-size: 8px; }
.toc a[aria-current] { color: var(--aqua-deep); font-weight: 800; }
.toc-note { display: flex; flex-direction: column; margin-top: 22px; padding-top: 14px; border-top: 1px solid var(--line); font-size: 9px; }
.toc-note span { color: #728080; }
.article-content { min-width: 0; }
.content-figure { margin: 0 0 45px; }
.content-figure img { display: block; width: 100%; border: 1px solid var(--line); border-radius: 17px; background: var(--white); }
.content-figure figcaption { padding: 10px 3px; color: #667778; font-size: 10px; }
.article-content section:not(.entity-strip) { margin-bottom: 52px; }
.article-content h2 { margin: 0 0 20px; font-family: Georgia, serif; font-size: 36px; font-weight: 500; line-height: 1.1; letter-spacing: -.03em; }
.article-content p { margin: 0 0 18px; color: #263d3f; font-family: Georgia, serif; font-size: 19px; line-height: 1.78; }
.article-content p a { color: var(--aqua-deep); font-weight: 700; }
.article-content ul { margin: 24px 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.article-content li { position: relative; padding: 11px 0 11px 27px; border-bottom: 1px solid var(--line); color: #314749; font-size: 14px; }
.article-content li::before { content: "↳"; position: absolute; left: 2px; color: var(--aqua-deep); font-weight: 900; }
.technical-note { margin: 28px 0; padding: 22px 24px; border-left: 3px solid var(--ochre); background: #f0e6d1; }
.technical-note span { color: #8f6624; font-size: 9px; font-weight: 900; letter-spacing: .14em; }
.technical-note p { margin: 7px 0 0; font-family: Inter, sans-serif; font-size: 13px; line-height: 1.6; }
.article-rail { position: sticky; top: 115px; padding-top: 24px; border-top: 2px solid var(--aqua-deep); }
.article-rail > div > span { color: var(--aqua-deep); font-size: 9px; font-weight: 900; letter-spacing: .14em; }
.article-rail ul { margin: 10px 0 0; padding: 0; list-style: none; }
.article-rail li { padding: 7px 0 7px 19px; position: relative; color: #617173; font-size: 10px; }
.article-rail li::before { content: "✓"; position: absolute; left: 0; color: var(--aqua-deep); font-weight: 900; }
.entity-strip { margin: 15px 0 58px; padding: 23px; border: 1px solid var(--line); border-radius: 14px; background: var(--white); }
.entity-strip > span { color: #6b797a; font-size: 9px; font-weight: 900; letter-spacing: .13em; }
.entity-strip > div { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 11px; }
.entity-strip a { padding: 6px 11px; border-radius: 99px; color: var(--teal); background: #dff2ee; font-size: 11px; font-weight: 800; text-decoration: none; }
.faq-list { border-top: 1px solid var(--ink); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 18px 0; cursor: pointer; font-weight: 800; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { color: var(--aqua-deep); font-size: 20px; transition: transform .2s; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list details p { padding: 0 35px 18px 0; font-family: Inter, sans-serif; font-size: 14px; line-height: 1.65; }
.source-section ol { margin: 22px 0; padding: 0; list-style: none; counter-reset: sources; }
.source-section li { counter-increment: sources; display: flex; flex-direction: column; padding: 17px 0 17px 40px; }
.source-section li::before { content: counter(sources, decimal-leading-zero); color: var(--aqua-deep); font-family: ui-monospace, monospace; font-size: 10px; }
.source-section li > span, .source-section li small { color: #718080; font-size: 10px; }
.source-section li a { font-family: Georgia, serif; font-size: 17px; font-weight: 600; }
.source-policy { padding: 18px; border-radius: 10px; background: var(--paper-deep); font-family: Inter, sans-serif !important; font-size: 11px !important; }
.related-section { border-top: 1px solid var(--line); }

/* Terms and graph */
.term-hero { padding: 72px 0; background: var(--teal); color: white; }
.term-grid { display: grid; grid-template-columns: 1fr 360px; align-items: end; gap: 100px; }
.term-hero .eyebrow { color: var(--aqua); }
.term-hero h1 { margin: 13px 0; font-family: Georgia, serif; font-size: clamp(56px, 7vw, 88px); font-weight: 400; line-height: 1; letter-spacing: -.05em; }
.term-hero p { max-width: 780px; margin: 0; color: #d6e6e3; font-family: Georgia, serif; font-size: 21px; }
.term-hero dl { margin: 0; border-top: 1px solid rgba(255,255,255,.25); }
.term-hero dl div { display: grid; grid-template-columns: 110px 1fr; padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,.2); font-size: 11px; }
.term-hero dt { color: #9ab6b2; }
.term-hero dd { margin: 0; font-weight: 800; }
.entity-layout { display: grid; grid-template-columns: 1fr 330px; gap: 90px; }
.term-relations { border-top: 1px solid var(--line); }
.term-relations > div { display: grid; grid-template-columns: 1fr .8fr 1fr; align-items: center; padding: 15px 0; border-bottom: 1px solid var(--line); }
.term-relations span, .term-relations a { font-family: Georgia, serif; font-size: 18px; text-decoration: none; }
.term-relations b { color: #718080; font-size: 9px; letter-spacing: .05em; text-align: center; text-transform: uppercase; }
.entity-layout > aside { padding: 25px; border: 1px solid var(--line); border-radius: 15px; background: var(--white); }
.entity-layout > aside > a { display: flex; flex-direction: column; padding: 15px 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.entity-layout > aside b { font-family: Georgia, serif; font-size: 17px; }
.entity-layout > aside a span { margin-top: 3px; color: #687879; font-size: 10px; }
.graph-hero { padding: 80px 0 92px; color: white; background-color: var(--teal); background-image: radial-gradient(rgba(131,217,204,.24) 1px, transparent 1px); background-size: 24px 24px; }
.graph-hero .eyebrow { color: var(--aqua); }
.graph-hero h1 { max-width: 850px; margin: 16px 0 19px; font-family: Georgia, serif; font-size: clamp(50px, 6vw, 78px); font-weight: 400; line-height: 1; letter-spacing: -.05em; }
.graph-hero p { max-width: 650px; color: #c2d6d2; font-size: 18px; }
.graph-toolbar { display: grid; grid-template-columns: 150px 170px 1fr; gap: 30px; align-items: end; margin-bottom: 35px; padding-bottom: 25px; border-bottom: 1px solid var(--line); }
.graph-toolbar > div { display: flex; flex-direction: column; }
.graph-toolbar b { font-family: Georgia, serif; font-size: 38px; font-weight: 400; line-height: 1; }
.graph-toolbar span, .graph-toolbar label { color: #687879; font-size: 9px; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.graph-toolbar label { justify-self: end; width: min(100%, 340px); }
.graph-toolbar input { display: block; width: 100%; margin-top: 6px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 9px; background: var(--white); }
.graph-board { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; }
.graph-board article { display: grid; grid-template-columns: 1fr .75fr 1fr; align-items: center; min-height: 76px; padding: 13px 16px; border: 1px solid var(--line); border-radius: 11px; background: var(--white); }
.graph-board article[hidden] { display: none; }
.graph-board a { font-family: Georgia, serif; font-size: 16px; font-weight: 600; text-decoration: none; }
.graph-board a:last-child { text-align: right; }
.graph-board span { color: #6c7c7d; font-size: 8px; font-weight: 900; text-align: center; text-transform: uppercase; }
.graph-board span b { display: block; color: var(--aqua-deep); font-size: 14px; }
.term-index { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.term-index > a { display: flex; min-height: 150px; flex-direction: column; padding: 20px; border: 1px solid var(--line); border-radius: 12px; background: var(--white); text-decoration: none; }
.term-index > a:hover { border-color: var(--aqua-deep); }
.term-index span { color: #82908e; font-family: ui-monospace, monospace; font-size: 9px; }
.term-index b { margin-top: 13px; font-family: Georgia, serif; font-size: 21px; }
.term-index small { margin-top: 5px; color: #667778; font-size: 10px; line-height: 1.5; }

/* Sources, policy and search */
.simple-hero { padding: 75px 0 82px; border-bottom: 1px solid var(--line); background: var(--paper-deep); }
.simple-hero h1 { margin: 13px 0 14px; font-family: Georgia, serif; font-size: clamp(48px, 6vw, 76px); font-weight: 400; line-height: 1; letter-spacing: -.05em; }
.simple-hero p { max-width: 800px; margin: 0; color: var(--ink-soft); font-size: 19px; }
.source-directory { border-top: 1px solid var(--ink); }
.source-directory article { display: grid; grid-template-columns: 145px 1fr 280px; gap: 30px; padding: 26px 0; border-bottom: 1px solid var(--line); }
.source-directory article > div:first-child { display: flex; flex-direction: column; align-items: start; gap: 9px; }
.source-id { color: var(--aqua-deep); font-family: ui-monospace, monospace; font-size: 11px; font-weight: 800; }
.source-directory h2 { margin: 0 0 7px; font-family: Georgia, serif; font-size: 22px; font-weight: 500; line-height: 1.2; }
.source-directory h2 a { text-decoration-thickness: 1px; }
.source-directory p, .source-directory small { margin: 0; color: #6a797a; font-size: 11px; }
.source-directory article > div:last-child { display: flex; flex-direction: column; gap: 6px; }
.source-directory article > div:last-child > span { margin-bottom: 3px; color: #738182; font-size: 9px; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.source-directory article > div:last-child a { font-size: 11px; font-weight: 700; }
.large-search { display: flex; max-width: 720px; margin-top: 28px; padding: 6px; border: 1px solid var(--line); border-radius: 14px; background: var(--white); }
.large-search input { min-width: 0; flex: 1; padding: 12px; border: 0; outline: 0; background: transparent; }
.search-results { min-height: 440px; }
.result-count { margin: 0 0 20px; color: #6b797a; font-size: 11px; font-weight: 800; text-transform: uppercase; }
.search-results article { padding: 22px 0; border-top: 1px solid var(--line); }
.search-results article > span { color: var(--aqua-deep); font-size: 9px; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.search-results h2 { margin: 4px 0; font-family: Georgia, serif; font-size: 27px; font-weight: 500; }
.search-results h2 a { text-decoration: none; }
.search-results p { max-width: 760px; margin: 0; color: var(--ink-soft); font-size: 14px; }
.empty-state { padding: 50px; border: 1px dashed #aeb9b4; border-radius: 15px; color: #647475; text-align: center; }
.intent-hero { background: #dcece8; }
.intent-directory { display: grid; grid-template-columns: 260px 1fr; gap: 70px; align-items: start; }
.intent-explainer { position: sticky; top: 115px; padding: 24px; border: 1px solid var(--line); border-radius: 14px; background: var(--white); }
.intent-explainer strong { display: block; font-family: Georgia, serif; font-size: 24px; font-weight: 500; }
.intent-explainer p { margin: 9px 0 0; color: var(--ink-soft); font-size: 11px; line-height: 1.65; }
.intent-groups { border-top: 1px solid var(--ink); }
.intent-groups details { border-bottom: 1px solid var(--line); }
.intent-groups summary { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 20px 5px; cursor: pointer; list-style: none; }
.intent-groups summary::-webkit-details-marker { display: none; }
.intent-groups summary > span:first-child { display: flex; flex-direction: column; }
.intent-groups summary small { color: var(--aqua-deep); font-size: 9px; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.intent-groups summary b { margin-top: 4px; font-family: Georgia, serif; font-size: 22px; font-weight: 500; }
.intent-groups summary > span:last-child { color: var(--aqua-deep); font-size: 24px; transition: transform .2s; }
.intent-groups details[open] summary > span:last-child { transform: rotate(45deg); }
.intent-links { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; padding: 0 0 18px; }
.intent-links a { display: flex; gap: 9px; align-items: start; padding: 9px 11px; border: 1px solid var(--line); border-radius: 8px; background: rgba(255,254,249,.65); font-size: 11px; line-height: 1.35; text-decoration: none; }
.intent-links a:hover { border-color: var(--aqua-deep); background: var(--white); }
.intent-links a span { flex: 0 0 auto; color: #82908e; font-family: ui-monospace, monospace; font-size: 8px; }
.intent-target { display: block; margin-bottom: 22px; color: var(--aqua-deep); font-size: 11px; font-weight: 900; text-decoration: none; }
.query-header { max-width: 980px; padding-top: 75px; padding-bottom: 55px; }
.query-header h1 { margin: 14px 0 15px; font-family: Georgia, serif; font-size: clamp(45px, 6vw, 72px); font-weight: 400; line-height: 1.04; letter-spacing: -.05em; }
.query-header > p { max-width: 760px; color: var(--ink-soft); font-size: 18px; }
.query-header > p a { color: var(--aqua-deep); font-weight: 800; }
.query-answer-layout { display: grid; grid-template-columns: 1fr 290px; gap: 55px; align-items: start; padding-bottom: 90px; }
.query-answer { padding: 32px; border: 1px solid #aaccc6; border-radius: 16px; background: #dff2ee; box-shadow: 12px 12px 0 #c6e4df; }
.query-answer > span, .query-answer-layout > aside > span { color: var(--aqua-deep); font-size: 9px; font-weight: 900; letter-spacing: .14em; }
.query-answer p { margin: 12px 0 20px; font-family: Georgia, serif; font-size: 23px; line-height: 1.55; }
.query-answer > a { color: var(--aqua-deep); font-size: 12px; font-weight: 900; text-decoration: none; }
.query-answer-layout > aside { padding-top: 22px; border-top: 2px solid var(--ink); }
.query-answer-layout dl { margin: 12px 0 0; }
.query-answer-layout dl div { display: grid; grid-template-columns: 100px 1fr; padding: 9px 0; border-bottom: 1px solid var(--line); font-size: 10px; }
.query-answer-layout dt { color: #6b7b7b; }
.query-answer-layout dd { margin: 0; font-weight: 800; }
.query-next { display: grid; grid-template-columns: 1fr auto; gap: 70px; align-items: end; }
.query-next h2 { margin: 8px 0 9px; font-family: Georgia, serif; font-size: 38px; font-weight: 500; line-height: 1.1; }
.query-next p { max-width: 720px; margin: 0; color: var(--ink-soft); }
.query-next > a { color: var(--aqua-deep); font-size: 12px; font-weight: 900; text-decoration: none; white-space: nowrap; }
.prose-page { display: grid; grid-template-columns: 210px minmax(0, 720px); gap: 90px; }
.prose-page > aside { position: sticky; top: 120px; align-self: start; display: flex; flex-direction: column; border-top: 2px solid var(--ink); }
.prose-page aside strong { padding: 12px 0; font-size: 11px; text-transform: uppercase; }
.prose-page aside a { padding: 7px 0; color: #677779; font-size: 11px; text-decoration: none; }
.prose-page section { margin-bottom: 50px; }
.prose-page h2 { font-family: Georgia, serif; font-size: 35px; font-weight: 500; }
.prose-page p { color: #2f4547; font-family: Georgia, serif; font-size: 19px; line-height: 1.8; }
.not-found { min-height: 620px; padding-block: 100px; text-align: center; }
.not-found > span { color: var(--coral); font-family: ui-monospace, monospace; font-size: 13px; font-weight: 900; }
.not-found h1 { margin: 8px 0 10px; font-family: Georgia, serif; font-size: 55px; font-weight: 400; }
.not-found p { color: var(--ink-soft); }
.not-found form { margin-inline: auto; }
.not-found > div { display: flex; justify-content: center; gap: 10px; margin-top: 25px; }
.not-found > div a { padding: 7px 14px; border: 1px solid var(--line); border-radius: 99px; text-decoration: none; }

/* Footer */
.site-footer { padding-top: 64px; color: #dbe6e3; background: #0c2c2f; }
.footer-grid { display: grid; grid-template-columns: 1.3fr .65fr .75fr 1.2fr; gap: 55px; padding-bottom: 50px; }
.brand-footer { color: white; }
.brand-footer small { color: #90aaa6; }
.brand-footer .brand-mark i { border-color: white; }
.footer-grid > div:first-child > p { max-width: 300px; color: #9fb3af; font-size: 12px; }
.footer-grid h2 { margin: 5px 0 14px; color: var(--aqua); font-size: 9px; font-weight: 900; letter-spacing: .15em; text-transform: uppercase; }
.footer-grid > div:not(:first-child) > a { display: block; margin: 7px 0; color: #d4e0dd; font-size: 12px; text-decoration: none; }
.footer-note { padding-left: 24px; border-left: 1px solid rgba(255,255,255,.17); }
.footer-note p { margin: 0; font-family: Georgia, serif; font-size: 15px; line-height: 1.55; }
.footer-bottom { display: flex; justify-content: space-between; padding-block: 18px; border-top: 1px solid rgba(255,255,255,.14); color: #7f9a96; font-size: 9px; }

/* Responsive */
@media (max-width: 1060px) {
  .header-inner { grid-template-columns: auto auto 1fr; gap: 18px; }
  .nav-toggle { display: block; justify-self: end; padding: 7px 11px; border: 1px solid var(--line); border-radius: 8px; background: var(--white); font-size: 12px; font-weight: 800; }
  .primary-nav { position: absolute; top: 79px; left: 20px; right: 20px; display: none; padding: 18px; border: 1px solid var(--line); border-radius: 12px; background: var(--white); box-shadow: var(--shadow); }
  .primary-nav.is-open { display: grid; }
  .header-search { justify-self: end; }
  .hero-grid { grid-template-columns: 1fr 430px; gap: 35px; }
  .knowledge-visual { min-height: 450px; }
  .article-shell { grid-template-columns: 175px minmax(0, 1fr); }
  .article-rail { display: none; }
  .source-directory article { grid-template-columns: 120px 1fr; }
  .source-directory article > div:last-child { grid-column: 2; }
  .footer-grid { grid-template-columns: 1.2fr .8fr .8fr; }
  .footer-note { grid-column: 1 / -1; padding: 25px 0 0; border-left: 0; border-top: 1px solid rgba(255,255,255,.17); }
}

@media (max-width: 820px) {
  :root { --container: min(100% - 28px, 720px); }
  .section { padding-block: 66px; }
  .header-inner { grid-template-columns: auto auto; min-height: 70px; }
  .header-search { display: none; }
  .primary-nav { top: 69px; }
  .hero { padding-top: 52px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: clamp(47px, 11vw, 72px); }
  .knowledge-visual { min-height: 460px; }
  .topic-grid, .article-grid, .term-index { grid-template-columns: 1fr 1fr; }
  .topic-grid .topic-card:last-child { grid-column: 1 / -1; }
  .split-heading, .graph-preview { grid-template-columns: 1fr; gap: 20px; }
  .principle-band .container { grid-template-columns: 1fr; gap: 15px; }
  .topic-hero-grid { grid-template-columns: 1fr 160px; gap: 30px; }
  .topic-symbol { width: 150px; height: 150px; font-size: 48px; }
  .topic-symbol small { margin-top: -43px; font-size: 7px; }
  .topic-layout { grid-template-columns: 1fr; gap: 45px; }
  .topic-aside { position: static; }
  .article-header { grid-template-columns: 1fr; gap: 35px; }
  .article-shell { grid-template-columns: 1fr; }
  .toc { position: static; }
  .toc ol { columns: 2; }
  .graph-board { grid-template-columns: 1fr; }
  .entity-layout, .term-grid { grid-template-columns: 1fr; gap: 50px; }
  .prose-page { grid-template-columns: 1fr; gap: 40px; }
  .intent-directory, .query-answer-layout { grid-template-columns: 1fr; }
  .intent-explainer { position: static; }
  .query-next { grid-template-columns: 1fr; gap: 25px; }
  .prose-page > aside { position: static; }
  .footer-grid { grid-template-columns: 1.3fr .7fr .7fr; gap: 30px; }
}

@media (max-width: 560px) {
  .brand strong { font-size: 18px; }
  .brand small { font-size: 7px; }
  .hero { min-height: 0; }
  .hero h1 { font-size: 47px; }
  .hero-copy > p { font-size: 16px; }
  .hero-search > div { flex-direction: column; }
  .hero-search button { width: 100%; }
  .knowledge-visual { min-height: 420px; }
  .node-main { width: 102px; height: 102px; }
  .node-a, .node-c { left: 3%; }
  .node-b, .node-d { right: 3%; }
  .topic-grid, .article-grid, .term-index { grid-template-columns: 1fr; }
  .topic-grid .topic-card:last-child { grid-column: auto; }
  .topic-card { min-height: 365px; }
  .section-heading h2 { font-size: 37px; }
  .relationship-row { grid-template-columns: 1fr; gap: 4px; text-align: center; }
  .relationship-row > a:last-child { text-align: center; }
  .topic-hero { padding: 55px 0; }
  .topic-hero-grid { grid-template-columns: 1fr; }
  .topic-symbol { display: none; }
  .topic-stats { flex-wrap: wrap; }
  .stacked-articles article { grid-template-columns: 28px 1fr; }
  .round-arrow { display: none; }
  .article-header { padding-top: 40px; }
  .article-heading h1 { font-size: 43px; }
  .article-shell { gap: 35px; }
  .toc ol { columns: 1; }
  .article-content h2 { font-size: 31px; }
  .article-content p { font-size: 18px; }
  .graph-toolbar { grid-template-columns: 1fr 1fr; }
  .graph-toolbar label { grid-column: 1 / -1; justify-self: stretch; }
  .graph-board article, .term-relations > div { grid-template-columns: 1fr; gap: 3px; text-align: center; }
  .graph-board a:last-child { text-align: center; }
  .source-directory article { grid-template-columns: 1fr; }
  .intent-links { grid-template-columns: 1fr; }
  .source-directory article > div:last-child { grid-column: auto; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > div:first-child, .footer-note { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; gap: 6px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}