:root {
  color-scheme: light;
  --ink: #1b293c;
  --muted: #536174;
  --accent: #285fa4;
  --line: #dce2e9;
  --paper: #ffffff;
  --wash: #f5f7fa;
  --mono: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  scroll-padding-top: 100px;
}
* { box-sizing: border-box; }
body { margin: 0; }
a { color: var(--accent); text-underline-offset: 4px; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 6px; border-radius: 2px; }
::selection { background: #dceafd; color: #142e50; }
img, svg { max-width: 100%; }
p { margin: 0 0 1.1rem; }
h1, h2, h3 { line-height: 1.2; margin: 0; font-weight: 600; }
h2 { font-size: clamp(1.85rem, 3.2vw, 2.5rem); letter-spacing: -.035em; }
h3 { font-size: 1.08rem; letter-spacing: -.015em; }
figure { margin: 0; }
figcaption { color: var(--muted); font-size: .8rem; line-height: 1.65; }
.container { width: min(1120px, calc(100% - 96px)); margin-inline: auto; }
.skip-link { position: fixed; top: -100px; left: 16px; padding: 10px 18px; z-index: 5; background: var(--paper); }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; top: 0; z-index: 2; background: #fffffffa; border-bottom: 1px solid var(--line); }
.header-inner { min-height: 80px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.wordmark { display: inline-flex; align-items: center; gap: 11px; color: var(--ink); text-decoration: none; font-size: .94rem; font-weight: 700; letter-spacing: .11em; }
.header-inner nav { display: flex; gap: 28px; align-items: center; }
.header-inner nav a { color: var(--muted); text-decoration: none; font-size: .83rem; }
.header-inner nav a:hover { color: var(--accent); text-decoration: underline; }
.hero { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 48px; align-items: center; padding-block: 88px 92px; }
.hero-art { min-width: 0; width: 100%; max-width: 640px; justify-self: center; }
.hero-art img { display: block; width: 100%; height: auto; -webkit-mask-image: radial-gradient(ellipse at center, #000 45%, rgb(0 0 0 / .82) 65%, transparent 84%); mask-image: radial-gradient(ellipse at center, #000 45%, rgb(0 0 0 / .82) 65%, transparent 84%); }
.eyebrow, .section-index { font-family: var(--mono); font-size: .68rem; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); }
.eyebrow { display: flex; align-items: center; gap: 9px; margin-bottom: 26px; }
.status-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
h1 { font-size: clamp(2.75rem, 4.7vw, 3.9rem); line-height: 1.09; letter-spacing: -.052em; font-weight: 600; }
h1 span { color: var(--accent); }
.hero-description { font-size: 1.05rem; line-height: 1.75; color: var(--muted); margin-top: 26px; max-width: 42ch; }
.home-paths { padding-block: 12px 62px; }
.home-section-heading { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 28px; }
.home-section-heading .section-index { margin-bottom: 12px; }
.home-section-heading h2 { font-size: clamp(1.65rem, 3vw, 2.1rem); }
.interest-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px 38px; }
.interest-link { display: flex; flex-direction: column; padding-block: 22px 26px; border-top: 1px solid var(--line); text-decoration: none; color: var(--ink); }
.interest-kicker { font-family: var(--mono); color: var(--accent); font-size: .61rem; letter-spacing: .07em; margin-bottom: 13px; }
.interest-link h3 { font-size: 1.15rem; }
.interest-link p { color: var(--muted); font-size: .87rem; margin: 13px 0 18px; }
.interest-action { margin-top: auto; color: var(--accent); font-size: .78rem; font-weight: 600; }
.interest-action > span { margin-left: 10px; }
.interest-link:hover h3 { color: var(--accent); text-decoration: underline; text-underline-offset: 4px; }
.home-worlds { padding-block: 36px 48px; border-top: 1px solid var(--line); }
.home-worlds .text-link { font-size: .75rem; margin-top: 0; }
.world-preview-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }
.world-preview { display: flex; align-items: end; gap: 10px; min-height: 140px; padding: 18px 14px; border: 1px solid var(--line); border-radius: 3px; text-decoration: none; color: var(--ink); background-image: linear-gradient(0deg, #fffffff5 0%, #ffffffcb 30%, #ffffff00 90%), linear-gradient(90deg, #ffffff05 0%, #ffffffa0 65%, #ffffffe8 100%), var(--scenario-art); background-size: cover; background-position: center left; }
.world-preview > span:first-child { font-size: .82rem; line-height: 1.5; font-weight: 600; }
.world-preview > span:last-child { margin-left: auto; color: var(--accent); }
.world-preview:hover { border-color: var(--accent); }
.world-preview:hover > span:first-child { text-decoration: underline; text-underline-offset: 3px; }
.home-demo-link { display: inline-block; margin-top: 20px; font-size: .78rem; }
.home-overview .home-about { padding-block: 42px; }
.home-author-links { display: flex; flex-wrap: wrap; align-items: baseline; gap: 12px 24px; margin-block: 20px; font-size: .8rem; }
.home-author-links > span { font-family: var(--mono); font-size: .62rem; color: var(--muted); }
.home-about .about-grid > div:last-child > .home-tooling-credit { font-size: .76rem; margin: 0; }
@media (max-width: 1000px) {
  .interest-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap-inline: 30px; }
  .world-preview-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 720px) {
  .home-paths { padding-bottom: 32px; }
  .home-section-heading { align-items: start; flex-direction: column; gap: 15px; }
  .interest-grid { grid-template-columns: 1fr; gap: 0; }
  .interest-link { padding-block: 20px; }
  .interest-link p { margin-block: 9px 13px; }
  .world-preview-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .world-preview { min-height: 110px; }
  .home-worlds { padding-top: 30px; }
}
.byline { color: var(--muted); font-size: .81rem; margin-top: 24px; }
.byline a { color: var(--ink); font-weight: 600; text-decoration: none; }
.text-link { display: inline-flex; gap: 20px; align-items: center; margin-top: 17px; font-size: .84rem; font-weight: 600; text-decoration: none; }
.text-link:hover { text-decoration: underline; }
.text-link span { font-size: 1.2rem; }
.world-figure { background: #fafbfd; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.figure-heading { display: flex; justify-content: space-between; align-items: center; padding: 17px 20px; border-bottom: 1px solid var(--line); gap: 12px; }
.mono, .figure-number { font-family: var(--mono); font-size: .58rem; letter-spacing: .06em; color: var(--muted); }
.figure-number { color: #6b7e96; white-space: nowrap; }
.world-map { display: block; width: 100%; height: auto; }
.svg-label { font: 11px -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; fill: #314862; }
.svg-small { font: 9px ui-monospace, Consolas, monospace; fill: #596f88; }
.svg-symbol { font: 17px ui-monospace, Consolas, monospace; fill: #315f9e; }
.world-figure figcaption { border-top: 1px solid var(--line); padding: 17px 20px; font-size: .72rem; }
.research-chart { margin-top: 32px; }
.research-chart img, .command-loop-figure img { display: block; width: 100%; height: auto; border: 1px solid var(--line); border-radius: 4px; }
.research-chart figcaption, .command-loop-figure figcaption { margin-top: 14px; font-size: .75rem; }
.command-loop-figure { margin-block: 26px; }
.research-overview .article-layout { display: block; }
.research-overview .article-sidebar { position: static; margin-bottom: 42px; padding-bottom: 28px; border-bottom: 1px solid var(--line); }
.research-overview .article-sidebar nav { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 12px 28px; }
.research-overview .article-content { max-width: none; }
.research-overview .article-content section > p, .research-overview .study-directory { max-width: 82ch; }
.research-overview .research-chart { margin-block: 38px 48px; }
.research-overview .research-chart h3 { display: flex; align-items: baseline; gap: 15px; font-size: 1.08rem; margin-bottom: 18px; }
.figure-label { font-family: var(--mono); font-size: .66rem; font-weight: 400; letter-spacing: .04em; color: var(--accent); white-space: nowrap; }
.research-overview .research-chart figcaption { max-width: 110ch; }
table caption { text-align: left; color: var(--muted); font-size: .78rem; padding-bottom: 12px; }
.question-section { border-block: 1px solid var(--line); background: var(--wash); padding-block: 52px; }
.question-grid { display: grid; grid-template-columns: 240px 1fr; gap: 40px; }
.question-grid > .section-index { margin-top: 6px; }
.question-grid h2 { font-size: 1.65rem; }
.question-text { font-size: 1.15rem; line-height: 1.7; margin-top: 20px; }
.question-grid div > p:last-child { font-size: .95rem; color: var(--muted); max-width: 72ch; margin-bottom: 0; }
.section { padding-block: 82px; }
.section-index { margin-bottom: 19px; }
.section-intro > p:last-child { color: var(--muted); max-width: 61ch; font-size: .97rem; margin-top: 20px; }
.architecture-figure { margin-top: 38px; }
.homepage-command-loop h3 { font-size: 1.2rem; margin-bottom: 24px; }
.homepage-command-loop img { display: block; width: 100%; height: auto; }
.homepage-command-loop figcaption { margin-top: 18px; max-width: 110ch; }
.session-recording { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; border-top: 1px solid var(--line); align-items: center; }
.session-recording h2 + p { color: var(--muted); margin-top: 20px; max-width: 55ch; }
.recording-placeholder { padding: 32px; border: 1px solid var(--line); border-radius: 6px; background: var(--wash); }
.recording-placeholder h3 { margin-block: 16px; }
.recording-placeholder p { color: var(--muted); font-size: .9rem; }
.recording-placeholder .recording-status { margin: 22px 0 0; padding-top: 16px; border-top: 1px solid var(--line); font-family: var(--mono); font-size: .7rem; }
@media (max-width: 760px) {
  .session-recording { grid-template-columns: 1fr; gap: 28px; }
}
.command-flow { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); border-radius: 5px; }
.command-flow li { position: relative; padding: 28px 32px; }
.command-flow li + li { border-left: 1px solid var(--line); }
.command-flow li + li::before { content: "→"; color: var(--accent); background: white; position: absolute; left: -10px; top: 45%; width: 20px; text-align: center; }
.flow-number { display: block; font-family: var(--mono); color: var(--accent); font-size: .68rem; margin-bottom: 23px; }
.command-flow h3 { margin-bottom: 10px; }
.command-flow p { color: var(--muted); font-size: .88rem; margin-bottom: 0; }
.architecture-figure figcaption { margin-top: 12px; }
.supporting-roles { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; padding-top: 32px; }
.supporting-roles h3 { font-size: .92rem; }
.role-symbol { color: var(--accent); margin-right: 7px; }
.supporting-roles p { font-size: .88rem; color: var(--muted); margin-top: 10px; max-width: 52ch; margin-bottom: 0; }
.supporting-roles strong { font-weight: 500; color: var(--ink); }
.notes-section { padding-block: 70px; border-block: 1px solid var(--line); background: #fafbfd; }
.notes-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 75px; }
.notes-grid .section-intro > p:last-child { max-width: 31ch; }
.decision-list { border-top: 1px solid var(--line); }
.decision-list details { border-bottom: 1px solid var(--line); }
summary { cursor: pointer; }
.decision-list summary { display: flex; align-items: baseline; gap: 16px; padding: 23px 0; font-weight: 600; font-size: .92rem; list-style: none; }
.decision-list summary::-webkit-details-marker { display: none; }
.note-number { font-family: var(--mono); font-size: .65rem; font-weight: 400; color: #667990; }
.expand-icon { margin-left: auto; font-size: 1.1rem; color: var(--accent); font-weight: 400; }
.expand-icon::before { content: "+"; }
details[open] .expand-icon::before { content: "−"; }
.decision-body { padding: 0 24px 12px 32px; color: var(--muted); font-size: .88rem; }
.tradeoff { padding-left: 14px; border-left: 2px solid #b9cde8; }
.tradeoff strong { color: var(--ink); font-size: .76rem; display: block; margin-bottom: 5px; font-weight: 600; }
.world-list { border-top: 1px solid var(--line); margin-top: 35px; }
.world-row { display: grid; grid-template-columns: 80px 1fr 230px; gap: 20px; align-items: center; padding-block: 25px; border-bottom: 1px solid var(--line); }
.world-code { font-family: var(--mono); font-size: .67rem; color: #687c95; }
.world-category { font-family: var(--mono); font-size: .61rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin-bottom: 8px; }
.world-row h3 { font-size: 1.13rem; }
.world-row > p { color: var(--muted); font-size: .84rem; margin: 0; }
.research-section { padding-block: 75px; background: #f0f4f9; border-block: 1px solid var(--line); }
.research-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 84px; }
.study-facts { display: grid; grid-template-columns: 1fr 1fr 1.4fr; margin: 0 0 32px; padding-bottom: 27px; border-bottom: 1px solid #cbd7e7; gap: 24px; }
.study-facts div { display: flex; flex-direction: column; }
.study-facts dt { font-size: .69rem; color: var(--muted); margin-bottom: 10px; }
.study-facts dd { font-weight: 500; font-size: 2.4rem; letter-spacing: -.04em; line-height: 1.1; margin: 0; }
.study-facts .fact-text { font-size: 1rem; line-height: 1.3; letter-spacing: -.01em; }
.study-content h3 { font-size: .9rem; margin-bottom: 12px; }
.study-content p { font-size: .88rem; color: var(--muted); }
.study-limits { margin-top: 26px; }
.study-limits p:last-child { margin-bottom: 0; }
.boundaries-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 42px; margin-top: 35px; }
.boundaries-grid h3 { font-size: .97rem; }
.boundaries-grid p { color: var(--muted); font-size: .88rem; margin-top: 12px; }
.runtime-note { border-top: 1px solid var(--line); margin-top: 25px; padding-top: 22px; }
.runtime-note summary { color: var(--accent); font-size: .82rem; font-weight: 500; }
.runtime-note summary span { margin-left: 7px; }
.runtime-note p { font-size: .87rem; color: var(--muted); max-width: 88ch; margin-top: 18px; }
.about-section { padding-block: 65px; background: var(--wash); border-block: 1px solid var(--line); }
.about-grid { display: grid; grid-template-columns: 1fr 1.35fr; gap: 85px; }
.about-grid h2 { font-size: 2rem; }
.author-role { color: var(--muted); margin-top: 12px; font-size: .83rem; }
.about-grid > div:last-child > p { font-size: .95rem; color: var(--muted); }
.author-links { border-top: 1px solid var(--line); padding-top: 15px; margin-top: 23px; }
.author-links p { display: flex; justify-content: space-between; gap: 20px; font-size: .78rem; margin-bottom: 10px; }
.author-links span { font-family: var(--mono); font-size: .62rem; color: #68778a; align-self: center; }
.about-grid > div:last-child > .tooling-credit { border-top: 1px solid var(--line); margin-top: 24px; padding-top: 20px; font-size: .82rem; }
.tooling-credit strong { color: var(--ink); font-weight: 600; }
.site-footer { padding-block: 25px; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 24px; font-size: .67rem; }
.footer-inner p { margin: 0; color: var(--muted); }
.footer-inner a { color: var(--ink); text-decoration: none; }
.footer-links { display: flex; flex-wrap: wrap; gap: 12px 22px; }
.footer-links a:hover { color: var(--accent); text-decoration: underline; }
.footer-name { font-weight: 600; letter-spacing: .05em; }
.footer-name span { font-weight: 400; letter-spacing: 0; color: var(--muted); margin-left: 6px; }
@media (min-width: 1500px) { .hero { padding-block: 108px; } }
@media (max-width: 1000px) {
  .container { width: calc(100% - 64px); }
  .hero { gap: 38px; padding-block: 65px; }
  h1 { font-size: 3rem; }
  .question-grid { grid-template-columns: 190px 1fr; gap: 28px; }
  .notes-grid, .research-grid, .about-grid { gap: 40px; }
  .world-row { grid-template-columns: 60px 1fr 170px; }
  .figure-heading { padding-inline: 14px; }
  .mono, .figure-number { font-size: .5rem; }
  .command-flow li { padding-inline: 22px; }
  .footer-inner > p { display: none; }
}
@media (max-width: 720px) {
  :root { scroll-padding-top: 130px; }
  .container { width: calc(100% - 40px); }
  .header-inner { padding-block: 15px; flex-wrap: wrap; gap: 15px; min-height: auto; }
  .wordmark { font-size: .83rem; }
  .wordmark img { width: 25px; height: 25px; }
  .header-inner nav { width: 100%; justify-content: space-between; gap: 12px; }
  .header-inner nav a { font-size: .74rem; padding-block: 3px; }
  .hero { grid-template-columns: 1fr; padding-block: 48px; gap: 37px; }
  .hero-art { max-width: 500px; }
  h1 { font-size: clamp(2.4rem, 9.2vw, 3.7rem); }
  .hero-description { max-width: 45ch; font-size: 1rem; }
  .eyebrow { font-size: .61rem; margin-bottom: 22px; }
  .world-figure { max-width: 500px; width: 100%; }
  .mono, .figure-number { font-size: .57rem; }
  .question-section { padding-block: 36px; }
  .question-grid, .notes-grid, .research-grid, .about-grid { grid-template-columns: 1fr; gap: 22px; }
  .question-grid > .section-index { margin: 0; }
  .question-grid h2 { font-size: 1.5rem; }
  .question-text { font-size: 1.05rem; }
  .section { padding-block: 50px; }
  .section-index { font-size: .61rem; }
  .section-intro > p:last-child { font-size: .93rem; }
  .command-flow { grid-template-columns: 1fr; }
  .command-flow li { padding: 22px; display: grid; grid-template-columns: 35px 1fr; column-gap: 10px; }
  .command-flow li + li { border-left: none; border-top: 1px solid var(--line); }
  .command-flow li + li::before { content: none; }
  .flow-number { grid-row: span 2; margin: 2px 0 0; }
  .command-flow p br { display: none; }
  .supporting-roles { grid-template-columns: 1fr; gap: 22px; padding-top: 26px; }
  .notes-section, .research-section, .about-section { padding-block: 48px; }
  .notes-grid .section-intro > p:last-child { max-width: 48ch; }
  .decision-list summary { font-size: .85rem; gap: 12px; }
  .decision-body { padding-left: 27px; padding-right: 0; }
  .world-row { grid-template-columns: 42px 1fr; column-gap: 10px; row-gap: 12px; padding-block: 23px; }
  .world-row > p { grid-column: 2; }
  .world-row h3 { font-size: 1.02rem; }
  .study-facts { max-width: 450px; gap: 20px; }
  .boundaries-grid { grid-template-columns: 1fr; gap: 14px; margin-top: 27px; }
  .boundaries-grid p { max-width: 55ch; }
  .runtime-note { margin-top: 17px; }
  .about-grid { gap: 20px; }
  .author-links p { flex-wrap: wrap; column-gap: 20px; row-gap: 3px; }
  .footer-inner { font-size: .64rem; gap: 12px; flex-wrap: wrap; }
}
.feature-links { display: grid; grid-template-columns: 1fr 1fr; gap: 0 42px; border-top: 1px solid var(--line); margin-top: 34px; }
.feature-links > a { display: flex; gap: 15px; align-items: baseline; border-bottom: 1px solid var(--line); padding: 21px 0; text-decoration: none; color: var(--ink); }
.feature-links > a > span:last-child { margin-left: auto; color: var(--accent); }
.feature-links strong { display: block; font-size: .91rem; font-weight: 600; }
.feature-links small { display: block; color: var(--muted); font-size: .79rem; line-height: 1.7; margin-top: 6px; }
.feature-links a:hover strong { color: var(--accent); text-decoration: underline; text-underline-offset: 4px; }
.demo-invitation { border: 1px solid var(--line); padding: 28px 32px; margin-top: 35px; display: flex; align-items: center; justify-content: space-between; gap: 40px; border-radius: 4px; background: var(--wash); }
.demo-invitation .section-index { margin-bottom: 12px; }
.demo-invitation p:not(.section-index) { max-width: 62ch; color: var(--muted); font-size: .84rem; margin: 12px 0 0; }
.demo-invitation .text-link { flex-shrink: 0; margin: 0; }
.page-hero { padding-block: 60px 48px; border-bottom: 1px solid var(--line); }
.breadcrumbs { font-family: var(--mono); font-size: .65rem; color: var(--muted); margin-bottom: 29px; }
.breadcrumbs a { color: var(--muted); text-decoration: none; }
.breadcrumbs span { margin-inline: 10px; }
.page-hero h1 { font-size: clamp(2.25rem, 4.4vw, 3.4rem); max-width: 21ch; }
.page-hero .page-lead { max-width: 70ch; font-size: 1.08rem; line-height: 1.8; color: var(--muted); margin: 23px 0 0; }
.page-hero .section-index { margin-bottom: 20px; }
.article-layout { display: grid; grid-template-columns: 205px minmax(0, 1fr); gap: 75px; padding-block: 48px 70px; }
.article-sidebar { align-self: start; position: sticky; top: 115px; }
.article-sidebar .section-index { font-size: .6rem; margin-bottom: 15px; }
.article-sidebar nav { display: flex; flex-direction: column; gap: 10px; }
.article-sidebar nav a { font-size: .78rem; color: var(--muted); text-decoration: none; line-height: 1.6; }
.article-sidebar nav a:hover { color: var(--accent); text-decoration: underline; }
.article-content { min-width: 0; max-width: 76ch; }
.article-content section + section { margin-top: 42px; padding-top: 35px; border-top: 1px solid var(--line); }
.article-content h2 { font-size: 1.65rem; letter-spacing: -.03em; margin-bottom: 20px; }
.article-content h3 { font-size: 1rem; margin: 25px 0 12px; }
.article-content p, .article-content li { font-size: .95rem; color: var(--muted); line-height: 1.85; }
.article-content strong { color: var(--ink); font-weight: 600; }
.article-content li + li { margin-top: 9px; }
.article-content ul, .article-content ol { padding-left: 23px; }
.article-content code { font-family: var(--mono); font-size: .8em; overflow-wrap: anywhere; background: #f0f3f7; padding: 2px 4px; border-radius: 3px; color: var(--ink); }
.article-content pre { overflow-x: auto; background: #f4f6f9; border: 1px solid var(--line); border-radius: 4px; padding: 23px; line-height: 1.85; font-size: .79rem; color: var(--ink); }
.article-content pre code { font-size: inherit; padding: 0; background: none; overflow-wrap: normal; }
.article-content .aside-note { background: var(--wash); border-left: 2px solid var(--accent); padding: 18px 22px; font-size: .85rem; }
.table-scroll { overflow-x: auto; }
.article-content table { width: 100%; border-collapse: collapse; margin-block: 22px; font-size: .83rem; line-height: 1.7; }
.article-content th, .article-content td { padding: 13px 12px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.article-content th { font-weight: 600; color: var(--ink); background: var(--wash); }
.article-content td { color: var(--muted); }
.article-content td:first-child { color: var(--ink); }
.enrichment-diagram { margin: 28px 0 32px; }
.pipeline-context, .pipeline-runtime { border: 1px solid var(--line); border-radius: 4px; padding: 17px 20px; background: var(--wash); }
.pipeline-label { display: block; font-family: var(--mono); font-size: .57rem; font-weight: 500; letter-spacing: .07em; color: var(--accent); margin-bottom: 7px; }
.article-content .pipeline-context p, .article-content .pipeline-runtime p { margin: 0; color: var(--ink); font-size: .82rem; line-height: 1.8; }
.pipeline-context p > span, .pipeline-runtime p > span { color: var(--accent); margin-inline: 7px; }
.article-content .enrichment-pipeline { list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; padding: 0; margin: 26px 0 17px; }
.article-content .enrichment-pipeline > li { position: relative; display: flex; flex-direction: column; min-width: 0; padding: 18px 15px; border: 1px solid #c8d6e8; border-top: 3px solid var(--accent); border-radius: 4px; margin: 0; background: var(--paper); }
.article-content .pipeline-step h3 { font-size: 1rem; margin: 0 0 12px; }
.article-content .pipeline-step p { font-size: .77rem; line-height: 1.75; margin-bottom: 15px; }
.article-content .pipeline-step .pipeline-input { font-size: .67rem; line-height: 1.6; min-height: 3.2em; color: var(--muted); border-bottom: 1px solid var(--line); padding-bottom: 13px; margin-bottom: 17px; }
.pipeline-arrow { position: absolute; left: -24px; top: 48%; width: 23px; text-align: center; font-size: 1.05rem; color: var(--accent); }
.pipeline-output { margin-top: auto; padding-top: 13px; border-top: 1px solid var(--line); font-size: .7rem; line-height: 1.65; color: var(--ink); }
.pipeline-output > span { display: block; font-family: var(--mono); font-size: .53rem; letter-spacing: .06em; color: var(--muted); margin-bottom: 4px; }
.pipeline-checkpoint { border-left: 2px solid #b9cde8; padding: 10px 15px; margin-block: 17px; }
.article-content .pipeline-checkpoint p { margin: 0; font-size: .75rem; line-height: 1.75; }
.article-content .pipeline-runtime .pipeline-result { margin-top: 6px; color: var(--muted); font-size: .73rem; }
.enrichment-diagram figcaption { margin-top: 13px; font-size: .73rem; }
.presentation-resources { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 24px; }
.presentation-resource { border: 1px solid var(--line); border-top: 3px solid var(--accent); border-radius: 4px; padding: 23px; background: var(--wash); }
.article-content .presentation-resource h3 { margin: 14px 0 12px; }
.article-content .presentation-resource p { font-size: .85rem; }
.article-content .presentation-resource .resource-status { display: inline-block; border-top: 1px solid var(--line); padding-top: 13px; margin: 9px 0 0; font-family: var(--mono); font-size: .67rem; color: var(--muted); }
.article-content .presentation-followup { margin-top: 25px; }
.presentation-section { border-bottom: 1px solid var(--line); }
.presentation-section > .page-lead { max-width: 65ch; color: var(--muted); font-size: .97rem; margin-top: 20px; }
.related-section { padding-block: 34px 50px; border-top: 1px solid var(--line); }
.related-section .feature-links { margin-top: 0; }
.catalog-section { padding-block: 40px 65px; }
.catalog-row { display: grid; grid-template-columns: 70px minmax(0, 1fr) 145px; align-items: start; gap: 24px; padding-block: 31px; border-bottom: 1px solid var(--line); }
.catalog-row:first-child { border-top: 1px solid var(--line); }
.catalog-row h2 { font-size: 1.35rem; margin-bottom: 12px; }
.catalog-row h2 a { color: var(--ink); text-decoration: none; }
.catalog-row h2 a:hover { color: var(--accent); text-decoration: underline; }
.catalog-row p { font-size: .9rem; color: var(--muted); max-width: 69ch; margin-bottom: 0; }
.catalog-row .text-link { margin-top: 8px; font-size: .78rem; }
.catalog-footnote { color: var(--muted); font-size: .79rem; margin-top: 24px; max-width: 85ch; }
.catalog-actions { justify-self: end; }
.quickstart-link { display: block; font-size: .74rem; margin-top: 14px; }
.quickstart-section { padding-top: 32px; }
.world-quickstart { border: 1px solid var(--line); border-top: 3px solid var(--accent); border-radius: 4px; background: var(--paper); }
.world-quickstart > summary { display: flex; align-items: center; gap: 24px; padding: 24px 28px; background: var(--wash); list-style: none; }
.world-quickstart > summary::-webkit-details-marker { display: none; }
.world-quickstart summary strong { display: block; color: var(--accent); font-size: 1.05rem; line-height: 1.4; }
.world-quickstart summary small { display: block; font-size: .84rem; line-height: 1.7; color: var(--muted); margin-top: 8px; }
.world-quickstart .quickstart-body { max-width: none; border-top: 1px solid var(--line); padding: 28px; }
.quickstart-body > p, .quickstart-body > ul { max-width: 85ch; }
.quickstart-body table th:first-child { width: 30%; min-width: 150px; }
.quickstart-body table code { white-space: nowrap; }
.quickstart-body table code::selection { background: #dceafd; }
@media (max-width: 720px) {
  .catalog-actions { grid-column: 2; justify-self: start; }
  .world-quickstart > summary { padding: 20px; gap: 16px; }
  .world-quickstart .quickstart-body { padding: 22px 18px; }
}
.scenario-retail { --accent: #326c53; --wash: #f3f7f4; --scenario-art: url("../assets/headers/morrowbasket-markets.webp"); }
.scenario-colonyship { --accent: #66518c; --wash: #f6f4f9; --scenario-art: url("../assets/headers/common-ground-colonyship.webp"); }
.scenario-offshore { --accent: #925724; --wash: #faf6f1; --scenario-art: url("../assets/headers/muirbank-alpha.webp"); }
.scenario-telecom { --accent: #365f8c; --wash: #f1f5f9; --scenario-art: url("../assets/headers/last-dial-up-isp.webp"); }
.scenario-lab { --accent: #337078; --wash: #f1f7f7; --scenario-art: url("../assets/headers/marigold-glacier.webp"); }
.scenario-hero { position: relative; isolation: isolate; overflow: hidden; background: var(--wash); border-top: 3px solid var(--accent); min-height: 600px; padding-bottom: 70px; }
.scenario-hero::before, .scenario-hero::after { content: ""; position: absolute; inset: 0; pointer-events: none; }
.scenario-hero::before { z-index: -2; background-image: var(--scenario-art); background-size: cover; background-position: center right; }
.scenario-hero::after { z-index: -1; background: linear-gradient(90deg, rgba(255,255,255,.98) 0%, rgba(255,255,255,.94) 60%, rgba(255,255,255,.30) 80%, rgba(255,255,255,.08) 100%); }
.scenario-copy { width: 60%; max-width: 670px; }
.scenario-hero .page-lead { max-width: 60ch; }
.scenario-art-caption { position: absolute; right: max(48px, calc((100% - 1120px) / 2)); bottom: 17px; margin: 0; font-size: .6rem; font-family: var(--mono); color: #35465b; background: #fffffff0; padding: 5px 9px; border-radius: 2px; letter-spacing: .02em; }
.scenario-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); max-width: 800px; gap: 25px; margin: 32px 0 0; padding: 20px 24px; border: 1px solid #dce2e9cc; border-radius: 4px; background: #ffffffeb; }
.scenario-facts dt { font-family: var(--mono); font-size: .6rem; text-transform: uppercase; color: var(--muted); margin-bottom: 7px; }
.scenario-facts dd { margin: 0; font-size: .86rem; color: var(--ink); }
.world-row h3 a { color: var(--ink); text-decoration: none; }
.world-row h3 a:hover { color: var(--accent); text-decoration: underline; }
.world-row > p a { display: inline-block; margin-top: 5px; font-size: .76rem; }
@media (max-width: 1000px) { .article-layout { grid-template-columns: 170px minmax(0, 1fr); gap: 38px; } .demo-invitation { gap: 25px; } }
@media (max-width: 720px) {
  .feature-links { grid-template-columns: 1fr; }
  .demo-invitation { display: block; padding: 25px; }
  .demo-invitation .text-link { margin-top: 20px; }
  .page-hero { padding-block: 35px; }
  .page-hero h1 { font-size: 2.35rem; }
  .page-hero .page-lead { font-size: .99rem; }
  .article-layout { grid-template-columns: 1fr; gap: 30px; padding-block: 28px 45px; }
  .article-sidebar { position: static; padding-bottom: 23px; border-bottom: 1px solid var(--line); }
  .article-sidebar nav { flex-direction: row; flex-wrap: wrap; gap: 9px 18px; }
  .article-content h2 { font-size: 1.5rem; }
  .article-content th, .article-content td { padding-inline: 8px; }
  .article-content pre { padding: 16px; }
  .article-content .enrichment-pipeline { grid-template-columns: 1fr; gap: 28px; }
  .presentation-resources { grid-template-columns: 1fr; }
  .article-content .enrichment-pipeline > li { padding: 19px; }
  .article-content .pipeline-step .pipeline-input { min-height: auto; }
  .pipeline-arrow { top: -28px; left: calc(50% - 12px); transform: rotate(90deg); }
  .catalog-row { grid-template-columns: 38px minmax(0, 1fr); gap: 12px; }
  .catalog-row > .text-link { grid-column: 2; margin-top: 0; }
  .catalog-row h2 { font-size: 1.18rem; }
  .scenario-facts { grid-template-columns: 1fr; gap: 16px; }
  .scenario-hero { padding-top: 230px; padding-bottom: 55px; min-height: auto; }
  .scenario-copy { width: 100%; }
  .scenario-hero::before { bottom: auto; height: 245px; background-position: center right; }
  .scenario-hero::after { bottom: auto; height: 246px; background: linear-gradient(0deg, var(--wash) 0%, transparent 58%); }
  .scenario-art-caption { left: 20px; right: auto; bottom: 13px; font-size: .54rem; background: transparent; padding-left: 0; }
  .scenario-retail { --scenario-art: url("../assets/headers/morrowbasket-markets-small.webp"); }
  .scenario-colonyship { --scenario-art: url("../assets/headers/common-ground-colonyship-small.webp"); }
  .scenario-offshore { --scenario-art: url("../assets/headers/muirbank-alpha-small.webp"); }
  .scenario-telecom { --scenario-art: url("../assets/headers/last-dial-up-isp-small.webp"); }
  .scenario-lab { --scenario-art: url("../assets/headers/marigold-glacier-small.webp"); }
}
@media print {
  .site-header { position: static; }
  .header-inner nav, .text-link, .skip-link, .site-footer { display: none; }
  .container { width: 100%; }
  .hero, .section, .notes-section, .research-section, .about-section { padding-block: 24px; }
  .hero { gap: 30px; }
  h1 { font-size: 2.4rem; }
  h2 { font-size: 1.6rem; }
  details, figure, .world-row { break-inside: avoid; }
  .scenario-hero { min-height: auto; padding-block: 24px; background: white; }
  .scenario-hero::before, .scenario-hero::after, .scenario-art-caption { display: none; }
}

.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }

/* Reuse each world's header art, exposed on the left and fading under the copy. */
:is(.world-row, .catalog-row) { position: relative; isolation: isolate; grid-template-columns: minmax(150px, .65fr) minmax(0, 1fr) minmax(230px, .8fr); min-height: 220px; padding: 28px 20px; }
:is(.world-row, .catalog-row)::before, :is(.world-row, .catalog-row)::after { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; }
:is(.world-row, .catalog-row)::before { background-image: var(--scenario-art); background-size: cover; background-position: center left; }
:is(.world-row, .catalog-row)::after { background: linear-gradient(90deg, rgba(255,255,255,.03) 0%, rgba(255,255,255,.2) 14%, rgba(255,255,255,.88) 30%, rgba(255,255,255,.97) 55%, rgba(255,255,255,.99) 100%); }
:is(.world-row, .catalog-row) .world-code { align-self: start; justify-self: start; padding: 4px 8px; background: #ffffffeb; color: var(--ink); border-radius: 2px; }
@media (max-width: 1000px) {
  :is(.world-row, .catalog-row) { grid-template-columns: minmax(100px, .5fr) minmax(0, 1fr) minmax(170px, .8fr); gap: 18px; padding-inline: 16px; }
}
@media (max-width: 720px) {
  :is(.world-row, .catalog-row) { grid-template-columns: 52px minmax(0, 1fr); min-height: 240px; padding: 23px 12px; column-gap: 12px; }
  :is(.world-row, .catalog-row)::after { background: linear-gradient(90deg, rgba(255,255,255,.15) 0%, rgba(255,255,255,.82) 22%, rgba(255,255,255,.96) 55%, rgba(255,255,255,.99) 100%); }
  :is(.world-row, .catalog-row) .world-code { font-size: .56rem; padding-inline: 5px; }
}
@media print {
  :is(.world-row, .catalog-row) { min-height: auto; }
  :is(.world-row, .catalog-row)::before, :is(.world-row, .catalog-row)::after { display: none; }
}