:root {
  --night: #122d36;
  --night-2: #183d46;
  --night-3: #214c55;
  --paper: #f2f4ed;
  --paper-2: #e5ebe1;
  --paper-3: #d2ded4;
  --ink: #193139;
  --muted: #62747a;
  --line: rgba(25, 49, 57, .2);
  --line-light: rgba(242, 244, 237, .22);
  --acid: #d8f05f;
  --acid-2: #aeca4b;
  --red: #db6a54;
  --yellow: #f1c95b;
  --blue: #6fb6c4;
  --brown: #8c6e5c;
  --cobalt: #3157a6;
  --display: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  --body: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --radius: 2px;
  --shadow: 0 22px 70px rgba(7, 27, 32, .16);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--paper); }
section[id] { scroll-margin-top: 86px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--body); font-size: 16px; line-height: 1.65; overflow-x: hidden; }
body, button, a { -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
button { color: inherit; font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
h1, h2, h3, p, figure, dl, dd, ul, ol { margin: 0; }
h1, h2, h3 { font-weight: 400; }
h1, h2 { font-family: var(--display); letter-spacing: -.035em; text-wrap: balance; }
h3 { text-wrap: balance; }
::selection { background: var(--acid); color: var(--night); }

.shell { width: min(1240px, calc(100% - 48px)); margin-inline: auto; }
.section { padding: clamp(76px, 9vw, 148px) 0; }
.section-night { background: var(--night); color: var(--paper); }
.section-ink { background: #183b43; color: var(--paper); }
.section-cobalt { background: var(--cobalt); color: var(--paper); }
.section-paper { background: var(--paper); color: var(--ink); }
.section-acid { background: var(--acid); color: var(--night); }
.eyebrow, .micro-label, .source-kind, .source-id, .artifact-meta, .map-figure-top, .hero-stats dd, .section-index, .model-status, .claim-column-label, .source-meta, .footer-grid, .button, .topbar, .legend-list, .process-tab, .claim-tab { font-family: var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.eyebrow { font-size: .68rem; line-height: 1.4; font-weight: 700; color: var(--cobalt); }
.eyebrow-acid { color: var(--acid); }
.micro-label { color: var(--muted); font-size: .64rem; line-height: 1.4; font-weight: 700; }
.section-heading-light .micro-label, .section-ink .micro-label, .section-night .micro-label, .section-cobalt .micro-label { color: var(--acid); }
.section-index { color: var(--red); font-size: .72rem; line-height: 1; padding-top: .35rem; font-weight: 700; }
.section-heading-light .section-index, .section-night .section-index, .section-ink .section-index, .section-cobalt .section-index { color: var(--acid); }
.lead { font-size: clamp(1.13rem, 1.45vw, 1.42rem); line-height: 1.55; }
.source-ref { display: inline-flex; align-items: center; justify-content: center; min-width: 1.65rem; height: 1.25rem; padding: 0 .25rem; margin-left: .18rem; border: 1px solid currentColor; border-radius: 999px; font-family: var(--mono); font-size: .62rem; line-height: 1; text-decoration: none; vertical-align: .12em; }
.source-ref:hover, .source-ref:focus-visible { background: var(--acid); color: var(--night); border-color: var(--acid); }

.skip-link { position: fixed; z-index: 100; top: -4rem; left: 1rem; background: var(--acid); color: var(--night); padding: .65rem 1rem; font-family: var(--mono); font-size: .75rem; text-transform: uppercase; text-decoration: none; transition: top .2s ease; }
.skip-link:focus { top: 1rem; }
.reading-progress { position: fixed; z-index: 90; inset: 0 0 auto; height: 3px; pointer-events: none; background: transparent; }
.reading-progress span { display: block; width: 0; height: 100%; background: var(--acid); transform-origin: left; }

.topbar { position: sticky; z-index: 50; top: 0; background: rgba(18, 45, 54, .96); color: var(--paper); border-bottom: 1px solid rgba(216, 240, 95, .22); font-size: .68rem; }
.topbar-inner { display: flex; align-items: center; min-height: 70px; gap: 1.25rem; }
.wordmark { display: inline-flex; align-items: center; gap: .7rem; min-width: 205px; text-decoration: none; }
.wordmark-symbol { display: grid; place-items: center; width: 2.1rem; height: 2.1rem; border: 1px solid var(--acid); color: var(--acid); font-family: var(--display); font-size: 1.5rem; line-height: 1; transform: rotate(-8deg); }
.wordmark strong, .wordmark small { display: block; }
.wordmark strong { font-size: .72rem; letter-spacing: .07em; }
.wordmark small { margin-top: .1rem; color: rgba(242, 244, 237, .62); font-size: .54rem; letter-spacing: .08em; }
.main-nav { display: flex; align-items: center; justify-content: center; gap: clamp(.7rem, 1.8vw, 1.6rem); flex: 1; }
.main-nav a, .language-link, .footer-grid a { text-decoration: none; }
.main-nav a { color: rgba(242, 244, 237, .72); transition: color .2s ease; }
.main-nav a:hover, .main-nav a:focus-visible, .language-link:hover, .language-link:focus-visible { color: var(--acid); }
.toolbar { display: flex; align-items: center; gap: .6rem; }
.language-link { color: var(--acid); padding: .35rem .25rem; }
.theme-toggle, .menu-toggle { border: 0; background: transparent; cursor: pointer; }
.theme-toggle { width: 2rem; height: 2rem; border: 1px solid rgba(216, 240, 95, .55); color: var(--acid); }
.theme-toggle:hover, .theme-toggle:focus-visible { background: var(--acid); color: var(--night); }
.menu-toggle { display: none; width: 2.2rem; height: 2.2rem; padding: .4rem; }
.menu-toggle span { display: block; width: 100%; height: 1px; margin: .24rem 0; background: var(--paper); }

.hero { position: relative; min-height: min(900px, calc(100vh - 70px)); padding: clamp(70px, 8vw, 125px) 0 28px; overflow: hidden; background-image: linear-gradient(rgba(216, 240, 95, .045) 1px, transparent 1px), linear-gradient(90deg, rgba(216, 240, 95, .045) 1px, transparent 1px); background-size: 56px 56px; }
.hero::before { position: absolute; content: ""; width: 48vw; height: 48vw; max-width: 720px; max-height: 720px; right: -17vw; top: 3vw; border: 1px solid rgba(216, 240, 95, .2); border-radius: 50%; box-shadow: 0 0 0 30px rgba(216, 240, 95, .03), 0 0 0 90px rgba(216, 240, 95, .025); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr); align-items: center; gap: clamp(38px, 6vw, 100px); }
.hero-copy { max-width: 590px; }
.hero h1 { max-width: 620px; margin-top: 1.15rem; color: var(--paper); font-size: clamp(4rem, 8vw, 8.7rem); line-height: .85; white-space: pre-line; }
.hero-deck { max-width: 530px; margin-top: 2rem; color: rgba(242, 244, 237, .76); font-size: clamp(1.03rem, 1.4vw, 1.22rem); line-height: 1.6; }
.hero-actions, .finale-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2.2rem; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: .7rem; min-height: 42px; padding: .72rem 1rem; border: 1px solid var(--acid); font-size: .66rem; font-weight: 700; text-decoration: none; transition: background .2s ease, color .2s ease, transform .2s ease; }
.button:hover, .button:focus-visible { transform: translateY(-2px); }
.button-acid { background: var(--acid); color: var(--night); }
.button-acid:hover, .button-acid:focus-visible { background: var(--paper); border-color: var(--paper); }
.button-outline { color: var(--paper); border-color: rgba(242, 244, 237, .45); }
.button-outline:hover, .button-outline:focus-visible { color: var(--night); background: var(--paper); border-color: var(--paper); }
.hero-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .8rem; max-width: 580px; margin-top: 4.2rem; padding-top: 1rem; border-top: 1px solid rgba(242, 244, 237, .24); }
.hero-stats dt { color: var(--acid); font-family: var(--display); font-size: 1.8rem; line-height: 1; }
.hero-stats dd { margin-top: .45rem; color: rgba(242, 244, 237, .56); font-size: .56rem; line-height: 1.45; }
.artifact-frame { padding: clamp(10px, 1.3vw, 18px); background: #e8e9d9; color: var(--night); box-shadow: var(--shadow); transform: rotate(1.2deg); }
.artifact-meta, .map-figure-top { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-bottom: .7rem; color: #52625d; font-size: .57rem; line-height: 1.4; }
.artifact-meta span:nth-child(2) { color: var(--red); }
.artifact-image-link { display: block; overflow: hidden; background: #d8d5bc; }
.artifact-image-link img { width: 100%; aspect-ratio: 1.42; object-fit: cover; object-position: center; filter: saturate(.92) contrast(1.03); transition: transform .6s ease; }
.artifact-image-link:hover img, .artifact-image-link:focus-visible img { transform: scale(1.025); }
.artifact-frame figcaption { display: flex; justify-content: space-between; gap: 1rem; padding-top: .7rem; color: #52625d; font-family: var(--mono); font-size: .56rem; line-height: 1.45; }
.artifact-frame figcaption span:last-child { text-align: right; color: #8e5d4a; }
.hero-bottom { position: relative; z-index: 1; display: flex; align-items: center; justify-content: center; gap: 1.1rem; padding-top: clamp(60px, 9vw, 110px); color: rgba(242, 244, 237, .5); font-family: var(--mono); font-size: .59rem; text-align: center; text-transform: uppercase; letter-spacing: .14em; }
.hero-rule { display: block; width: min(100px, 12vw); height: 1px; background: rgba(216, 240, 95, .38); }

.section-grid { display: grid; grid-template-columns: 70px minmax(0, 840px); gap: 28px; }
.section-main h2, .section-heading h2 { max-width: 900px; margin-top: .65rem; color: inherit; font-size: clamp(2.5rem, 5.2vw, 5.9rem); line-height: .98; }
.section-main > p, .section-heading > div > p:not(.eyebrow) { max-width: 760px; margin-top: 1.7rem; }
.argument .section-main > p:not(.lead) { color: #4f656c; }
.contrast-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; margin-top: 3.7rem; background: var(--line); border: 1px solid var(--line); }
.contrast-card { min-height: 220px; padding: 1.5rem; background: var(--paper); }
.contrast-card:first-child { border-top: 4px solid var(--acid-2); }
.contrast-card:last-child { border-top: 4px solid var(--red); }
.contrast-card h3 { margin-top: .55rem; font-family: var(--display); font-size: clamp(1.45rem, 2.3vw, 2.4rem); line-height: 1.06; }
.contrast-card p:last-child { margin-top: 1rem; color: #53676d; font-size: .96rem; }

.section-heading { display: grid; grid-template-columns: 70px minmax(0, 930px); gap: 28px; align-items: start; }
.section-heading-light h2 { color: var(--paper); }
.section-heading-light > div > p:last-child { color: rgba(242, 244, 237, .7); }
.section-heading h2 + p { font-size: 1.05rem; }
.map-workbench { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr); gap: 28px; align-items: start; margin-top: 4rem; }
.map-figure { padding: 14px; background: #d9dac9; color: var(--night); }
.map-figure-top { padding-inline: 2px; }
.map-figure > a { display: block; overflow: hidden; background: #c9c9b2; }
.map-figure img { width: 100%; aspect-ratio: 1.416; object-fit: contain; }
.map-figure figcaption { padding: .75rem 2px .1rem; color: #55645f; font-size: .78rem; }
.map-figure figcaption a { color: #9b5140; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.map-reading { min-width: 0; }
.tab-list { display: flex; border-bottom: 1px solid var(--line-light); overflow-x: auto; }
.map-tab { flex: 1 0 auto; padding: .85rem .75rem; border: 0; border-bottom: 2px solid transparent; background: transparent; color: rgba(242, 244, 237, .56); cursor: pointer; font-family: var(--mono); font-size: .62rem; text-transform: uppercase; letter-spacing: .06em; text-align: left; }
.map-tab:hover, .map-tab:focus-visible, .map-tab.is-active { color: var(--acid); }
.map-tab.is-active { border-bottom-color: var(--acid); }
.map-panel { min-height: 250px; padding: 2.2rem 0 2rem; border-bottom: 1px solid var(--line-light); }
.map-panel h3 { max-width: 440px; margin-top: .7rem; color: var(--paper); font-family: var(--display); font-size: clamp(1.65rem, 2.8vw, 2.8rem); line-height: 1.05; }
.map-panel > p:not(.micro-label):not(.panel-source) { max-width: 510px; margin-top: 1.1rem; color: rgba(242, 244, 237, .72); }
.panel-source { margin-top: 1.5rem; color: var(--acid); font-family: var(--mono); font-size: .6rem; text-transform: uppercase; letter-spacing: .07em; }
.legend-box { margin-top: 1.5rem; }
.legend-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem .9rem; margin-top: .9rem; padding: 0; list-style: none; color: rgba(242, 244, 237, .7); font-size: .58rem; line-height: 1.45; }
.legend-list li { display: flex; align-items: center; gap: .55rem; }
.legend-swatch { flex: 0 0 auto; width: .8rem; height: .8rem; border-radius: 50%; }
.swatch-red { background: var(--red); }.swatch-yellow { background: var(--yellow); }.swatch-brown { background: var(--brown); }.swatch-blue { background: var(--blue); }.swatch-green { background: var(--acid-2); }.swatch-blank { border: 1px solid rgba(242, 244, 237, .45); background: transparent; }

.triad .section-heading h2 { color: var(--night); }
.triad .section-heading > div > p:last-child { color: rgba(18, 45, 54, .72); }
.triad-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; margin-top: 4rem; background: rgba(18, 45, 54, .3); border: 1px solid rgba(18, 45, 54, .3); }
.triad-card { min-height: 300px; padding: 1.6rem; background: var(--acid); }
.triad-card:nth-child(2) { background: #c9e354; }.triad-card:nth-child(3) { background: #bad447; }
.triad-card-top { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-bottom: 1.2rem; border-bottom: 1px solid rgba(18, 45, 54, .27); }
.triad-card-top > span { font-family: var(--display); font-size: 3rem; line-height: .8; }
.triad-card-top small { font-family: var(--mono); font-size: .58rem; font-weight: 700; letter-spacing: .06em; }
.triad-card h3 { margin-top: 2.7rem; font-family: var(--display); font-size: clamp(1.65rem, 2.5vw, 2.8rem); line-height: .98; }
.triad-card p:last-child { margin-top: 1.2rem; color: rgba(18, 45, 54, .75); font-size: .94rem; }
.triad-foot { max-width: 720px; margin: 2.2rem 0 0 auto; padding-top: 1rem; border-top: 1px solid rgba(18, 45, 54, .33); font-family: var(--display); font-size: clamp(1.35rem, 2vw, 2rem); line-height: 1.15; }

.process-layout { display: grid; grid-template-columns: 270px minmax(0, 1fr); gap: 3rem; margin-top: 4rem; }
.process-rail, .claim-rail { display: grid; align-content: start; gap: .35rem; padding: 0; list-style: none; }
.process-tab, .claim-tab { display: grid; grid-template-columns: 2.6rem minmax(0, 1fr); align-items: center; width: 100%; min-height: 55px; padding: .55rem .7rem; border: 1px solid transparent; background: transparent; color: #718187; cursor: pointer; text-align: left; font-size: .59rem; letter-spacing: .05em; }
.process-tab span, .claim-tab span { color: var(--red); font-size: .62rem; }
.process-tab strong, .claim-tab strong { font-size: .65rem; font-weight: 500; line-height: 1.35; letter-spacing: .04em; text-transform: none; }
.process-tab:hover, .process-tab:focus-visible, .process-tab.is-active { border-color: var(--line); color: var(--ink); background: var(--paper-2); }
.process-tab.is-active { box-shadow: inset 4px 0 0 var(--acid-2); }
.process-stage { min-height: 420px; padding: clamp(1.6rem, 4vw, 4rem); border: 1px solid var(--line); background: var(--paper-2); position: relative; overflow: hidden; }
.process-stage::after { position: absolute; content: ""; width: 260px; height: 260px; right: -100px; bottom: -120px; border: 1px solid rgba(25, 49, 57, .14); border-radius: 50%; box-shadow: 0 0 0 25px rgba(25, 49, 57, .04), 0 0 0 60px rgba(25, 49, 57, .03); }
.process-panel { position: relative; z-index: 1; display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 1.5rem; align-items: start; }
.process-panel-number { color: var(--red); font-family: var(--display); font-size: clamp(4rem, 9vw, 8rem); line-height: .75; }
.process-panel h3 { max-width: 550px; margin-top: .6rem; font-family: var(--display); font-size: clamp(2.2rem, 4.4vw, 5.5rem); line-height: .9; }
.process-panel p:not(.micro-label) { max-width: 590px; margin-top: 1.6rem; color: #51666d; font-size: 1.04rem; }
.interaction-fallback { position: relative; z-index: 1; margin-top: 3rem; padding-top: 1rem; border-top: 1px solid var(--line); color: var(--muted); font-family: var(--mono); font-size: .6rem; }

.ladder-layout { display: grid; grid-template-columns: 330px minmax(0, 1fr); gap: 3rem; margin-top: 4rem; }
.claim-rail { position: relative; }
.claim-rail::before { position: absolute; content: ""; top: 26px; bottom: 26px; left: 23px; width: 1px; background: rgba(242, 244, 237, .22); }
.claim-tab { position: relative; z-index: 1; grid-template-columns: 3rem minmax(0, 1fr); min-height: 70px; border-color: transparent; color: rgba(242, 244, 237, .58); }
.claim-tab span { display: grid; place-items: center; width: 30px; height: 30px; border: 1px solid currentColor; border-radius: 50%; color: var(--acid); background: var(--night); }
.claim-tab strong { color: inherit; }
.claim-tab:hover, .claim-tab:focus-visible, .claim-tab.is-active { border-color: rgba(216, 240, 95, .4); background: rgba(216, 240, 95, .08); color: var(--paper); }
.claim-tab.is-active span { color: var(--night); background: var(--acid); border-color: var(--acid); }
.claim-stage { min-height: 520px; padding: clamp(1.6rem, 4vw, 4.2rem); border: 1px solid rgba(216, 240, 95, .38); background: var(--night-2); }
.claim-panel h3 { max-width: 700px; margin-top: .7rem; color: var(--paper); font-family: var(--display); font-size: clamp(2rem, 4.2vw, 5rem); line-height: .95; }
.claim-body { max-width: 650px; margin-top: 1.5rem; color: rgba(242, 244, 237, .76); font-size: 1.12rem; }
.claim-columns { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; margin-top: 3.5rem; background: rgba(242, 244, 237, .18); border: 1px solid rgba(242, 244, 237, .18); }
.claim-columns > div { min-height: 170px; padding: 1.2rem; background: var(--night-2); }
.claim-column-label { display: block; color: var(--acid); font-size: .58rem; line-height: 1.4; }
.claim-columns p, .model-grid p { margin-top: .75rem; color: rgba(242, 244, 237, .65); font-size: .9rem; line-height: 1.55; }
.ladder-warning { display: flex; gap: .75rem; align-items: flex-start; margin-top: 2rem; padding: 1.1rem 1.2rem; border-left: 3px solid var(--red); background: rgba(219, 106, 84, .13); color: rgba(242, 244, 237, .78); font-size: .9rem; }
.ladder-warning span { display: grid; place-items: center; flex: 0 0 auto; width: 1.4rem; height: 1.4rem; border: 1px solid var(--red); border-radius: 50%; color: var(--red); font-family: var(--mono); font-size: .72rem; }
.ladder .panel-source { color: var(--acid); }

.model-list { margin-top: 4rem; border-top: 1px solid var(--line); }
.model-card { border-bottom: 1px solid var(--line); }
.model-card summary { display: grid; grid-template-columns: 60px minmax(0, 1fr) minmax(120px, 180px) 24px; gap: 1rem; align-items: center; padding: 1.25rem 0; cursor: pointer; list-style: none; }
.model-card summary::-webkit-details-marker { display: none; }
.model-number { color: var(--red); font-family: var(--display); font-size: 2.3rem; line-height: 1; }
.model-summary strong { display: block; margin-top: .3rem; font-family: var(--display); font-size: clamp(1.4rem, 2.3vw, 2.4rem); line-height: 1.05; }
.model-status { color: #6c7c82; font-size: .56rem; line-height: 1.35; text-align: right; }
.summary-plus { min-width: 0; width: 22px; overflow: hidden; color: var(--red); font-family: var(--display); font-size: 2rem; font-weight: 300; text-align: right; }
.model-card[open] .summary-plus { transform: rotate(45deg); }
.model-body { max-width: 930px; padding: 0 60px 2.2rem 60px; }
.model-body > p { max-width: 770px; font-size: 1.05rem; }
.model-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.2rem; margin-top: 1.7rem; }
.model-grid > div { padding-top: 1rem; border-top: 2px solid var(--paper-3); }
.model-grid p { color: #53676d; }
.callout-note { max-width: 800px; margin: 2.5rem 0 0 auto; padding: 1.3rem 1.4rem; border-left: 3px solid var(--acid-2); background: var(--paper-2); font-family: var(--display); font-size: 1.25rem; line-height: 1.2; }

.standard .section-heading h2 { color: var(--paper); }
.standard .section-heading > div > p:last-child { color: rgba(242, 244, 237, .78); }
.standard-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; margin-top: 4rem; background: rgba(242, 244, 237, .22); border: 1px solid rgba(242, 244, 237, .22); }
.standard-card { min-height: 370px; padding: clamp(1.5rem, 3vw, 3rem); background: var(--cobalt); }
.standard-card + .standard-card { background: #264888; }
.standard-term { margin-top: 2rem; color: var(--acid); font-family: var(--display); font-size: clamp(4rem, 8vw, 8.5rem); line-height: .8; letter-spacing: -.06em; }
.standard-term.cyrillic { letter-spacing: -.02em; }
.standard-card > p:not(.micro-label):not(.panel-source) { max-width: 470px; margin-top: 2rem; color: rgba(242, 244, 237, .77); }
.standard-card .panel-source { margin-top: 2rem; }
.standard-bottom { max-width: 770px; margin: 2.4rem 0 0 auto; padding-top: 1rem; border-top: 1px solid rgba(242, 244, 237, .32); color: rgba(242, 244, 237, .82); font-family: var(--display); font-size: clamp(1.35rem, 2.2vw, 2.1rem); line-height: 1.12; }

.source-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; margin-top: 4rem; background: var(--line); border: 1px solid var(--line); }
.source-card { min-height: 290px; padding: 1.4rem; background: var(--paper); }
.source-card:nth-child(3n) { background: var(--paper-2); }
.source-card-top { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.source-id { color: var(--red); font-size: .68rem; font-weight: 700; }
.source-kind { color: var(--muted); font-size: .55rem; }
.source-card h3 { max-width: 450px; margin-top: 1.7rem; font-family: var(--display); font-size: clamp(1.45rem, 2.3vw, 2.25rem); line-height: 1.02; }
.source-meta { margin-top: .75rem; color: var(--muted); font-size: .58rem; line-height: 1.4; }
.source-card > p:not(.source-meta) { margin-top: 1rem; color: #52666d; font-size: .9rem; line-height: 1.55; }
.text-link, .source-local { display: inline-block; margin-top: 1.25rem; color: var(--cobalt); font-family: var(--mono); font-size: .62rem; text-transform: uppercase; letter-spacing: .06em; text-underline-offset: 4px; }
.source-local { color: var(--muted); }
.source-method { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem; margin-top: 3rem; padding-top: 1.4rem; border-top: 1px solid var(--line); }
.source-method > div { max-width: 520px; }
.source-method p:last-child { margin-top: .7rem; color: #52666d; font-size: .9rem; }
.sources-footer { max-width: 820px; margin: 4.5rem 0 0 auto; color: #40575e; font-family: var(--display); font-size: clamp(1.55rem, 2.7vw, 2.8rem); line-height: 1.06; }

.finale { padding: clamp(90px, 13vw, 200px) 0; }
.finale-inner { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: clamp(2rem, 7vw, 8rem); align-items: center; }
.finale h2 { max-width: 860px; margin-top: .65rem; color: var(--paper); font-size: clamp(2.4rem, 5.8vw, 6.5rem); line-height: .95; }
.finale-mark { display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; align-items: center; justify-items: center; width: 200px; height: 200px; border: 1px solid rgba(216, 240, 95, .6); color: var(--acid); font-family: var(--display); font-size: 3.5rem; line-height: .8; transform: rotate(-4deg); }
.finale-mark i { grid-column: 1 / -1; grid-row: 1 / -1; align-self: center; font-size: 5rem; font-style: normal; opacity: .4; }
.finale-mark span:first-child { align-self: start; justify-self: start; padding: 1.2rem; }.finale-mark span:last-child { align-self: end; justify-self: end; padding: 1.2rem; }
.site-footer { padding: 2.3rem 0 3rem; border-top: 1px solid rgba(216, 240, 95, .2); }
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 1.2rem 2rem; color: rgba(242, 244, 237, .64); font-size: .58rem; line-height: 1.55; }
.footer-grid a { color: var(--acid); }.footer-grid a:hover, .footer-grid a:focus-visible { text-decoration: underline; text-underline-offset: 4px; }
.footer-title { display: block; color: var(--paper) !important; font-family: var(--display); font-size: 1.15rem; letter-spacing: 0; text-transform: none; }
.footer-grid > div:nth-child(2) { display: flex; flex-direction: column; align-items: flex-end; gap: .5rem; }
.footer-note { grid-column: 1 / -1; max-width: 650px; color: rgba(242, 244, 237, .4); }
.back-to-top { position: fixed; z-index: 40; right: 1.25rem; bottom: 1.25rem; display: grid; place-items: center; width: 44px; height: 44px; border: 1px solid var(--acid); background: var(--night); color: var(--acid); font-family: var(--mono); text-decoration: none; opacity: 0; visibility: hidden; transform: translateY(12px); transition: opacity .2s ease, visibility .2s ease, transform .2s ease, background .2s ease; }
.js:not(.ready) .back-to-top { transition: none; }
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }.back-to-top:hover, .back-to-top:focus-visible { background: var(--acid); color: var(--night); }
.back-to-top-text { display: none; }
html:not(.js) .back-to-top { position: static; display: inline-flex; width: auto; height: auto; min-height: 44px; padding: .55rem .7rem; gap: .45rem; opacity: 1; visibility: visible; transform: none; }
html:not(.js) .back-to-top-text { display: inline; }

html[data-theme="night"] body { background: #0c2027; color: var(--paper); }
html[data-theme="night"] .section-paper { background: #0c2027; color: var(--paper); }
html[data-theme="night"] .section-paper .argument .section-main > p:not(.lead), html[data-theme="night"] .section-paper .contrast-card p:last-child, html[data-theme="night"] .section-paper .process-panel p:not(.micro-label), html[data-theme="night"] .section-paper .model-grid p, html[data-theme="night"] .section-paper .source-card > p:not(.source-meta), html[data-theme="night"] .section-paper .source-method p:last-child { color: rgba(242, 244, 237, .68); }
html[data-theme="night"] .contrast-card, html[data-theme="night"] .process-stage, html[data-theme="night"] .source-card, html[data-theme="night"] .source-card:nth-child(3n), html[data-theme="night"] .callout-note { background: #15353d; color: var(--paper); }
html[data-theme="night"] .contrast-grid, html[data-theme="night"] .source-list, html[data-theme="night"] .model-list, html[data-theme="night"] .source-method, html[data-theme="night"] .model-grid > div { border-color: rgba(242, 244, 237, .2); background: rgba(242, 244, 237, .2); }
html[data-theme="night"] .model-card summary, html[data-theme="night"] .model-card .model-body { border-color: rgba(242, 244, 237, .2); }
html[data-theme="night"] .source-card h3, html[data-theme="night"] .model-summary strong { color: var(--paper); }
html[data-theme="night"] .source-meta, html[data-theme="night"] .source-kind, html[data-theme="night"] .source-method p:last-child { color: rgba(242, 244, 237, .52); }
html[data-theme="night"] .text-link { color: var(--acid); }

html:not(.js) .process-panel[hidden], html:not(.js) .claim-panel[hidden], html:not(.js) .map-panel[hidden] { display: block; }
html:not(.js) .process-rail, html:not(.js) .claim-rail { display: none; }

@media (max-width: 980px) {
  .main-nav { gap: .8rem; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 750px; }
  .artifact-frame { max-width: 760px; margin-left: auto; }
  .map-workbench { grid-template-columns: 1fr; }
  .map-reading { max-width: 760px; }
  .process-layout, .ladder-layout { grid-template-columns: 1fr; gap: 1.5rem; }
  .process-rail, .claim-rail { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .claim-rail::before { display: none; }
  .claim-tab { min-height: 58px; }
  .process-stage, .claim-stage { min-height: 0; }
}

@media (max-width: 700px) {
  .shell { width: min(100% - 30px, 560px); }
  .section { padding: 72px 0; }
  .topbar-inner { min-height: 62px; }.wordmark { min-width: 0; flex: 1; }.wordmark small { display: none; }
  .menu-toggle { display: block; }.main-nav { position: absolute; top: 62px; left: 0; right: 0; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: .5rem 15px 1rem; background: var(--night); border-bottom: 1px solid rgba(216, 240, 95, .25); }.main-nav.is-open { display: flex; }.main-nav a { padding: .75rem 0; border-bottom: 1px solid rgba(242, 244, 237, .12); }
  .hero { min-height: 0; padding-top: 74px; }.hero h1 { font-size: clamp(3.8rem, 19vw, 6rem); }.hero-deck { margin-top: 1.6rem; }.hero-stats { grid-template-columns: repeat(2, 1fr); margin-top: 3rem; }.artifact-frame { margin-top: 1.5rem; padding: 9px; }.artifact-frame figcaption { display: block; }.artifact-frame figcaption span { display: block; }.artifact-frame figcaption span:last-child { margin-top: .35rem; text-align: left; }
  .hero-bottom { padding-top: 65px; gap: .6rem; font-size: .5rem; }.hero-rule { width: 20px; }
  .section-grid, .section-heading { grid-template-columns: 1fr; gap: .8rem; }.section-index { padding-top: 0; }.section-main h2, .section-heading h2 { font-size: clamp(2.6rem, 13vw, 4.6rem); }.section-main > p, .section-heading > div > p:not(.eyebrow) { margin-top: 1.2rem; }
  .contrast-grid, .triad-grid, .standard-grid, .source-list, .claim-columns, .model-grid, .source-method { grid-template-columns: 1fr; }.contrast-card { min-height: 0; }.triad-card { min-height: 0; }.triad-card h3 { margin-top: 2rem; }
  .map-workbench, .process-layout, .ladder-layout { margin-top: 2.7rem; }.map-tab { min-width: 33%; font-size: .52rem; }.map-panel { min-height: 0; padding: 1.7rem 0; }.legend-list { grid-template-columns: 1fr; }
  .process-stage::after { display: none; }
  .process-rail, .claim-rail { grid-template-columns: repeat(2, minmax(0, 1fr)); }.process-tab, .claim-tab { grid-template-columns: 2.2rem minmax(0, 1fr); padding: .55rem .45rem; }.process-tab strong, .claim-tab strong { font-size: .58rem; }.process-panel { grid-template-columns: 1fr; gap: 1rem; }.process-panel-number { font-size: 4.8rem; }.process-panel h3 { font-size: clamp(2.3rem, 12vw, 4rem); }.process-panel p:not(.micro-label) { margin-top: 1.1rem; }
  .claim-stage { padding: 1.3rem; }.claim-panel h3 { font-size: clamp(2.1rem, 11vw, 4rem); }.claim-body { font-size: 1rem; }.claim-columns { margin-top: 2.4rem; }.claim-columns > div { min-height: 0; }.ladder-warning { font-size: .82rem; }
  .model-card summary { grid-template-columns: 40px minmax(0, 1fr) 22px; gap: .6rem; }.model-status { grid-column: 2; grid-row: 2; text-align: left; margin-top: -.7rem; }.summary-plus { grid-column: 3; grid-row: 1 / span 2; }.model-body { padding: 0 0 1.6rem 40px; }.callout-note { margin-top: 2rem; }
  .standard-card { min-height: 0; }.standard-term { margin-top: 1.5rem; font-size: clamp(4.3rem, 21vw, 7rem); }.standard-card > p:not(.micro-label):not(.panel-source) { margin-top: 1.7rem; }
  .source-card { min-height: 0; }.source-method { gap: 1.4rem; }.sources-footer { margin-top: 3rem; font-size: 1.8rem; }
  .finale-inner { grid-template-columns: 1fr; gap: 3rem; }.finale-mark { width: 145px; height: 145px; font-size: 2.6rem; }.finale-mark i { font-size: 3.6rem; }.finale-mark span:first-child, .finale-mark span:last-child { padding: .8rem; }.finale h2 { font-size: clamp(2.6rem, 13vw, 4.5rem); }
  .footer-grid { grid-template-columns: 1fr; }.footer-grid > div:nth-child(2) { align-items: flex-start; }.footer-note { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

:focus-visible { outline: 3px solid var(--acid); outline-offset: 3px; }