:root {
  --bg: #f3f4f4;
  --surface: #fff;
  --surface-sunk: #edf0f0;
  --ink: #292f4d;
  --ink-muted: #59616b;
  --rule: #d6dcdc;
  --red: #e23b32;
  --red-action: #b62e27;
  --teal: #126953;
  --teal-field: #e5f0eb;
  --amber: #795515;
  --amber-field: #faf0d8;
  --display: var(--gh-font-heading, "Source Serif 4"), Georgia, serif;
  --sans: var(--gh-font-body, "Roboto"), -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --max: 1160px;
  --measure: 700px;
  color-scheme: light;
}
:root[data-scheme="dark"] {
  --bg: #151719;
  --surface: #1c1f22;
  --surface-sunk: #25292b;
  --ink: #eef0ed;
  --ink-muted: #b2babd;
  --rule: #3b4145;
  --red-action: #ff9087;
  --teal: #9ad5bb;
  --teal-field: #233c32;
  --amber: #f0cf8e;
  --amber-field: #3a311f;
  color-scheme: dark;
}
*, *::before, *::after { box-sizing: border-box; letter-spacing: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: 100px; }
body { margin: 0; color: var(--ink); background: var(--surface); font: 16px/1.6 var(--sans); -webkit-font-smoothing: antialiased; }
body, input, textarea, select, button { font-family: var(--sans); }
button, input, textarea, select { font-size: inherit; color: inherit; }
button, select { cursor: pointer; }
a { color: inherit; text-underline-offset: 4px; text-decoration-thickness: 1px; }
a:hover { color: var(--red-action); }
button { border: 0; }
img, svg { max-width: 100%; }
img { height: auto; display: block; }
figure { margin: 0; }
p { margin: 0 0 1em; }
h1, h2, h3 { margin: 0; line-height: 1.12; text-wrap: balance; overflow-wrap: break-word; }
h1, h2 { font-family: var(--display); font-weight: 600; }
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid var(--teal); outline-offset: 4px; }
.wrap { width: min(calc(100% - 64px), var(--max)); margin-inline: auto; }
.wrap-narrow { width: min(calc(100% - 48px), 800px); margin-inline: auto; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip { position: fixed; left: 12px; top: 8px; z-index: 1000; transform: translateY(-150%); background: var(--ink); color: var(--surface); padding: 10px 16px; }
.skip:focus { transform: none; }
.icon { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; flex: 0 0 20px; }
.icon-button { display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 42px; flex: 0 0 42px; padding: 0; border-radius: 4px; background: transparent; color: var(--ink-muted); text-decoration: none; }
.icon-button:hover, .icon-button[aria-pressed="true"] { color: var(--red-action); background: var(--bg); }
.icon-button[aria-pressed="true"] .icon { fill: var(--amber-field); }
.button { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; gap: 12px; padding: 12px 18px; border: 1px solid var(--red-action); border-radius: 4px; background: var(--red-action); color: #fff; text-decoration: none; font-size: 14px; font-weight: 600; line-height: 1.4; }
.button:hover { background: var(--ink); border-color: var(--ink); color: var(--surface); }
.button.secondary { background: transparent; border-color: var(--rule); color: var(--ink); }
.button.secondary:hover { border-color: var(--ink); background: var(--bg); }
:root[data-scheme="dark"] .button:not(.secondary) { color: #151719; }
.text-link { display: inline-flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 600; text-decoration: none; border-bottom: 1px solid var(--rule); padding-bottom: 3px; }
.text-link:hover { border-color: var(--red-action); }
.eyebrow { display: block; margin-bottom: 14px; color: var(--ink-muted); font-size: 11px; line-height: 1.6; font-weight: 600; text-transform: uppercase; }
.divider { margin-inline: 12px; color: var(--ink-muted); }
.small { font-size: 13px; color: var(--ink-muted); }
.wordmark-dot { color: var(--red); }
.header { position: sticky; top: 0; z-index: 50; background: var(--surface); border-bottom: 1px solid var(--rule); }
.nav { display: flex; align-items: center; min-height: 80px; gap: 36px; }
.brand { display: inline-flex; align-items: center; gap: 12px; margin-right: auto; text-decoration: none; }
.brand-name { font-family: var(--display); font-size: 30px; font-weight: 700; line-height: 1; }
.proofline { position: relative; width: 17px; height: 31px; display: block; flex: 0 0 17px; border-top: 2px solid var(--ink); }
.proofline::before { content: ""; position: absolute; top: 0; left: 8px; height: 21px; border-left: 1px solid var(--ink); }
.proofline::after { content: ""; position: absolute; bottom: 0; left: 3px; width: 11px; height: 11px; background: var(--red); border-radius: 50%; }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a { font-size: 13px; text-decoration: none; padding-block: 16px; border-bottom: 2px solid transparent; }
.nav-links a[aria-current="page"] { border-color: var(--red); }
.nav-actions { display: flex; gap: 2px; }
.menu { display: none; }
.opening { background: var(--surface); padding: 54px 0 40px; }
.opening h1 { font-size: 76px; line-height: 1.06; margin-bottom: 18px; }
.live-mark { display: inline-block; height: 7px; width: 7px; background: var(--teal); margin-right: 7px; }
.opening-line { font-size: 22px; max-width: 850px; margin-bottom: 8px; line-height: 1.45; }
.opening-copy { color: var(--ink-muted); font-size: 15px; }
.search-box { display: flex; align-items: center; gap: 12px; width: 100%; border: 1px solid var(--rule); border-radius: 4px; background: var(--surface); padding: 7px 8px 7px 17px; }
.search-box:focus-within { border-color: var(--teal); box-shadow: 0 0 0 1px var(--teal); }
.search-box > .icon { color: var(--ink-muted); }
.search-box input { width: 100%; min-width: 0; background: transparent; border: 0; height: 42px; outline: 0; font-size: 15px; }
.search-box input::placeholder { color: var(--ink-muted); opacity: 1; }
.home-search { margin-top: 28px; max-width: 760px; }
.decision-starts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin-top: 28px; }
.decision-starts a { display: flex; gap: 12px; align-items: center; justify-content: space-between; min-height: 58px; padding: 12px 0; border-top: 1px solid var(--rule); text-decoration: none; font-size: 13px; line-height: 1.5; }
.decision-starts a > span { max-width: 250px; }
.section { padding: 58px 0; border-top: 1px solid var(--rule); }
.section h2 { font-size: 40px; }
.section-head { display: grid; grid-template-columns: 1.15fr 1fr; gap: 60px; align-items: end; margin-bottom: 34px; }
.section-head .eyebrow { margin-bottom: 12px; }
.section-intro { max-width: 480px; }
.section-intro p { font-size: 14px; color: var(--ink-muted); line-height: 1.7; margin-bottom: 12px; }
.section-head.compact { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 20px; }
.section-head.compact h2 { font-size: 34px; }
.investigation-band { background: var(--bg); }
.question-list { border-top: 1px solid var(--rule); }
.question-row { display: grid; grid-template-columns: 42px minmax(0, 1fr) 183px 44px; gap: 22px; align-items: start; padding: 24px 0; border-bottom: 1px solid var(--rule); position: relative; }
.question-row[aria-current="page"] { border-left: 3px solid var(--red); padding-left: 16px; }
.question-number { color: var(--ink-muted); font-size: 13px; font-variant-numeric: tabular-nums; padding-top: 5px; }
.question-body h3 { font-family: var(--display); font-size: 27px; font-weight: 600; line-height: 1.18; max-width: 680px; text-wrap: pretty; }
.question-body h3 a { text-decoration: none; }
.question-body > p { font-size: 13px; color: var(--ink-muted); max-width: 620px; line-height: 1.6; margin: 10px 0 12px; }
.question-links { display: flex; flex-wrap: wrap; gap: 20px; font-size: 12px; color: var(--ink-muted); }
.question-links a { text-decoration: none; }
.question-links a:hover { text-decoration: underline; }
.question-meta { display: flex; flex-direction: column; align-items: start; gap: 12px; padding-top: 4px; font-size: 11px; color: var(--ink-muted); }
.status { display: inline-flex; align-items: center; gap: 7px; padding: 5px 8px; border-radius: 3px; font-size: 11px; font-weight: 500; line-height: 1.5; white-space: nowrap; color: var(--ink-muted); background: var(--surface-sunk); text-decoration: none; }
.status::before { content: ""; display: inline-block; height: 6px; width: 6px; border: 1px solid currentColor; flex: 0 0 6px; }
.is-contested, .is-early { color: var(--ink); background: transparent; border: 1px solid var(--rule); }
.is-contested::before { transform: rotate(45deg); }
.is-synthesized, .is-replicated { color: var(--ink); background: transparent; border: 1px solid var(--rule); }
.is-synthesized::before, .is-replicated::before { background: currentColor; }
.is-observed::before { border-radius: 50%; }
.use-band { background: var(--surface); }
.use-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; }
.use-layout p:not(.eyebrow) { color: var(--ink-muted); font-size: 14px; margin-top: 20px; max-width: 450px; }
.use-layout .button { margin-top: 8px; }
.decision-figure img { width: 100%; border: 1px solid var(--rule); border-radius: 4px; }
.decision-figure figcaption { color: var(--ink-muted); font-size: 11px; margin-top: 12px; }
.author-band { background: transparent; border-top: 1px solid var(--rule); }
.author-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; }
.author-intro h2 { font-size: 37px; }
.author-intro p:not(.eyebrow) { font-size: 15px; max-width: 480px; }
.follow { padding: 46px 0; border-top: 1px solid var(--rule); background: var(--surface); }
.follow-grid { display: flex; justify-content: space-between; align-items: center; gap: 40px; }
.follow h2 { font-size: 32px; }
.follow p:not(.eyebrow) { font-size: 13px; color: var(--ink-muted); margin: 12px 0 0; max-width: 540px; }
.follow-actions { display: flex; gap: 24px; align-items: center; flex-wrap: wrap; }
.footer { background: var(--bg); border-top: 1px solid var(--rule); padding: 48px 0 18px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 50px; }
.footer-title { font-family: var(--display); font-size: 34px; font-weight: 700; text-decoration: none; }
.footer p { font-size: 13px; max-width: 300px; margin-top: 10px; color: var(--ink-muted); }
.footer-links { display: flex; flex-direction: column; gap: 10px; font-size: 12px; }
.footer-links a { text-decoration: none; }
.copyright { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; padding-top: 24px; margin-top: 28px; border-top: 1px solid var(--rule); font-size: 10px; color: var(--ink-muted); }
.page-head { padding: 55px 0 42px; }
.page-head h1 { font-size: 58px; max-width: 900px; }
.standfirst { color: var(--ink-muted); font-size: 19px; line-height: 1.6; max-width: 780px; margin: 20px 0 0; }
.head-actions { display: flex; align-items: center; gap: 28px; margin-top: 28px; flex-wrap: wrap; }
.page-body { width: min(calc(100% - 48px), var(--measure)); margin-inline: auto; padding-bottom: 70px; }
.page-body .post-content { margin: 0; }
.explore-section { padding-top: 28px; }
.explore-filters { display: flex; align-items: end; gap: 20px; margin: 22px 0; flex-wrap: wrap; }
.explore-filters > label { font-size: 11px; color: var(--ink-muted); display: flex; flex-direction: column; gap: 5px; }
select { background: var(--surface); border: 1px solid var(--rule); border-radius: 4px; min-height: 42px; padding: 8px 34px 8px 12px; font-size: 13px; max-width: 100%; }
.segmented { display: flex; border: 1px solid var(--rule); border-radius: 4px; padding: 3px; gap: 3px; margin-right: auto; }
.segmented button { background: transparent; padding: 8px 13px; min-height: 36px; font-size: 13px; display: flex; align-items: center; gap: 8px; border-radius: 2px; }
.segmented button[aria-pressed="true"] { background: var(--ink); color: var(--surface); }
.result-count { font-size: 12px; color: var(--ink-muted); margin: 26px 0 12px; }
.empty { padding: 50px 0; min-height: 220px; }
.empty h2 { font-size: 32px; }
.empty p { margin: 12px 0 22px; color: var(--ink-muted); }
.method-band { background: transparent; border-top: 1px solid var(--rule); }
.method-band p:not(.eyebrow) { max-width: 720px; margin: 22px 0; }
.method-band h2 { max-width: 780px; }
.inquiry { padding-top: 42px; }
.breadcrumb { text-decoration: none; display: inline-flex; gap: 14px; align-items: center; }
.inquiry h1 { font-size: 58px; max-width: 970px; margin: 6px 0 0; }
.byline { display: flex; gap: 24px; flex-wrap: wrap; font-size: 12px; color: var(--ink-muted); margin: 24px 0; }
.byline a { text-decoration: none; }
.evidence-panel { display: flex; align-items: center; gap: 22px; border-left: 3px solid var(--rule); padding: 12px 18px; background: var(--bg); max-width: 950px; }
.evidence-panel p { font-size: 12px; color: var(--ink-muted); margin: 0; max-width: 650px; }
.reader-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 20px; border-block: 1px solid var(--rule); margin: 30px 0 0; padding-block: 7px; }
.depth-links { display: flex; gap: 28px; flex-wrap: wrap; }
.depth-links a { font-size: 12px; text-decoration: none; padding-block: 8px; }
.reader-actions { display: flex; gap: 2px; }
.reading-layout { display: grid; grid-template-columns: 220px minmax(0, 700px); gap: 68px; padding-top: 38px; padding-bottom: 62px; justify-content: center; }
.reading-main { min-width: 0; }
html:not(.js) .reading-layout { grid-template-columns: minmax(0, 700px); }
.reading-aside { display: none; align-self: start; position: sticky; top: 112px; }
.js .reading-aside { display: block; }
.contents summary { font-size: 12px; font-weight: 600; margin-bottom: 16px; cursor: pointer; }
#article-toc { display: flex; flex-direction: column; gap: 9px; }
#article-toc a { font-size: 11px; line-height: 1.5; color: var(--ink-muted); text-decoration: none; border-left: 2px solid transparent; padding-left: 10px; }
#article-toc a:hover, #article-toc a[aria-current="location"] { color: var(--ink); border-left-color: var(--red); }
.aside-return { display: flex; align-items: center; gap: 8px; margin-top: 24px; font-size: 11px; text-decoration: none; }
.post-content { font-size: 17px; line-height: 1.85; overflow-wrap: anywhere; }
.post-content > * { margin: 0 0 1.3em; }
.post-content h2 { font-family: var(--display); font-size: 32px; line-height: 1.2; margin-top: 1.7em; margin-bottom: 0.55em; scroll-margin-top: 105px; }
.post-content h2:first-child { margin-top: 0; }
.post-content h3 { font-size: 20px; margin-top: 1.5em; }
.post-content ul, .post-content ol { padding-left: 1.3em; }
.post-content li { margin-block: 10px; }
.post-content a { text-decoration-color: var(--red); text-underline-offset: 4px; }
.post-content a:hover { color: var(--red-action); }
.post-content blockquote { border-left: 3px solid var(--red); padding: 8px 0 8px 24px; font-size: 21px; font-family: var(--display); }
.post-content blockquote p { margin: 0; }
.post-content .brief-block { border-left: 2px solid var(--ink); background: transparent; padding: 4px 0 4px 24px; margin-bottom: 36px; border-radius: 0; }
.brief-block h2 { font-family: var(--sans); font-size: 13px; text-transform: uppercase; font-weight: 600; margin-bottom: 18px; }
.brief-block p { font-size: 16px; line-height: 1.7; }
.brief-block p:last-child { margin-bottom: 0; }
.table-scroll { overflow-x: auto; margin-block: 28px; border: 1px solid var(--rule); border-radius: 4px; }
.post-content table { border-collapse: collapse; width: 100%; min-width: 520px; font-size: 12px; line-height: 1.6; }
.post-content th, .post-content td { padding: 14px 16px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--rule); }
.post-content th { background: var(--bg); font-weight: 600; }
.post-content tr:last-child td { border-bottom: 0; }
.post-content figure { margin-block: 32px; }
.post-content figcaption { font-size: 12px; color: var(--ink-muted); }
.post-content hr { border: 0; border-top: 1px solid var(--rule); margin-block: 32px; }
.post-content pre { overflow: auto; padding: 20px; background: var(--bg); }
.post-content .kg-width-wide, .post-content .kg-width-full { width: 100%; }
.post-content .kg-callout-card { padding: 24px; background: transparent; border: 1px solid var(--rule); border-radius: 4px; }
.kg-toggle-card { padding: 18px; border: 1px solid var(--rule); border-radius: 4px; }
.kg-bookmark-card { font-size: 14px; border: 1px solid var(--rule); border-radius: 4px; }
.kg-bookmark-container { display: flex; padding: 18px; text-decoration: none; }
.kg-bookmark-content { min-width: 0; flex: 1; }
.kg-bookmark-title { font-weight: 600; }
.kg-bookmark-description { margin-top: 10px; }
.kg-bookmark-metadata { display: flex; align-items: center; gap: 8px; margin-top: 10px; font-size: 12px; }
.kg-bookmark-icon { width: 20px; height: 20px; }
.kg-bookmark-thumbnail { flex: 0 0 25%; }
.kg-gallery-container { display: flex; flex-direction: column; }
.kg-gallery-row { display: flex; gap: 12px; }
.kg-gallery-image { flex: 1; }
.article-accountability { padding: 26px 0 0; margin-top: 40px; border-top: 1px solid var(--rule); }
.article-accountability p:not(.eyebrow) { font-size: 12px; line-height: 1.7; color: var(--ink-muted); }
.article-accountability .text-link { font-size: 12px; }
.worksheet-layout { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 54px; }
.worksheet-nav { align-self: start; position: sticky; top: 110px; }
.worksheet-nav a { display: block; padding: 12px 0 12px 13px; border-left: 2px solid var(--rule); font-size: 13px; text-decoration: none; }
.worksheet-nav a[aria-current="page"] { border-color: var(--red); background: var(--bg); font-weight: 600; }
.worksheet-tools { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-block: 16px; border-block: 1px solid var(--rule); margin-top: 20px; }
.worksheet-buttons { display: flex; gap: 5px; }
.worksheet-main { min-width: 0; }
.worksheet-main h2 { font-size: 34px; }
.worksheet-subtitle { color: var(--ink-muted); font-size: 14px; margin-top: 10px; }
.privacy-note { font-size: 12px; color: var(--ink-muted); padding: 16px 0; }
.worksheet-field { display: block; margin-block: 22px; }
.worksheet-field > span { display: block; font-size: 14px; font-weight: 600; margin-bottom: 8px; }
.worksheet-field small { display: block; font-size: 12px; color: var(--ink-muted); margin: 0 0 8px; }
.worksheet-field textarea { display: block; resize: vertical; min-height: 100px; width: 100%; border: 1px solid var(--rule); border-radius: 4px; padding: 12px; background: var(--surface); font-size: 14px; line-height: 1.65; }
.worksheet-field textarea:focus { outline: 2px solid var(--teal); outline-offset: 1px; }
.worksheet-status { font-size: 11px; color: var(--ink-muted); margin: 0; }
.worksheet-disclaimer { font-size: 12px; border-left: 3px solid var(--amber); padding: 14px 18px; background: var(--amber-field); margin-top: 20px; }
.print-answer { display: none; }
.question-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px; }
.question-node { padding: 24px; border: 1px solid var(--rule); border-radius: 4px; }
.question-node h3 { font: 600 28px/1.2 var(--display); margin-block: 15px; }
.question-node h3 a { text-decoration: none; }
.node-top, .node-bottom { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; font-size: 12px; }
.node-bottom { margin-top: 20px; }
.node-copy, .node-meta { font-size: 13px; color: var(--ink-muted); }
.formats { font-size: 12px; }
.pagination { margin-top: 30px; display: flex; justify-content: center; gap: 25px; font-size: 13px; }
.toast { position: fixed; left: 50%; bottom: 20px; z-index: 200; max-width: calc(100% - 32px); transform: translate(-50%,20px); padding: 12px 18px; background: var(--ink); color: var(--surface); font-size: 13px; border-radius: 4px; opacity: 0; pointer-events: none; transition: opacity 0.2s, transform 0.2s; }
.toast.visible { opacity: 1; transform: translate(-50%,0); }
@media (max-width: 1000px) {
  .nav { gap: 20px; }
  .nav-links { gap: 18px; }
  .section-head { gap: 32px; }
  .reading-layout { grid-template-columns: 180px minmax(0,1fr); gap: 35px; }
  .question-row { grid-template-columns: 32px minmax(0,1fr) 170px 40px; gap: 15px; }
  .use-layout, .author-intro { gap: 36px; }
  .follow-grid { align-items: start; }
  .follow-actions { flex-direction: column; align-items: start; gap: 16px; }
}
@media (max-width: 760px) {
  .wrap { width: calc(100% - 36px); }
  .nav { min-height: 68px; gap: 12px; }
  .brand-name { font-size: 27px; }
  .menu { display: inline-flex; }
  .nav-links { display: none; position: absolute; left: 0; right: 0; top: 68px; background: var(--surface); border-bottom: 1px solid var(--rule); padding: 14px 24px; flex-direction: column; align-items: stretch; gap: 0; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 0; }
  .opening { padding: 34px 0 30px; }
  .opening h1 { font-size: 60px; }
  .opening-line { font-size: 20px; }
  .opening-copy { font-size: 14px; }
  .decision-starts { grid-template-columns: 1fr; gap: 0; margin-top: 20px; }
  .decision-starts a { min-height: 45px; padding-block: 10px; font-size: 12px; }
  .decision-starts a > span { max-width: none; }
  .section { padding: 36px 0; }
  .section-head, .use-layout, .author-intro { grid-template-columns: 1fr; gap: 24px; }
  .section h2, .author-intro h2 { font-size: 33px; }
  .question-row { grid-template-columns: 28px minmax(0,1fr) 40px; gap: 12px; padding: 22px 0; }
  .question-meta { grid-column: 2; grid-row: 2; flex-direction: row; flex-wrap: wrap; align-items: center; gap: 10px; }
  .question-row > .icon-button { grid-column: 3; grid-row: 1; }
  .question-body h3 { font-size: 25px; }
  .question-body > p { font-size: 12px; }
  .question-links { gap: 15px; }
  .question-meta { padding-top: 0; }
  .follow-grid { flex-direction: column; gap: 24px; }
  .follow-actions { flex-direction: row; align-items: center; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 26px; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
  .copyright { flex-direction: column; gap: 10px; }
  .page-head { padding: 34px 0 30px; }
  .page-head h1, .inquiry h1 { font-size: 43px; }
  .standfirst { font-size: 17px; }
  .inquiry { padding-top: 28px; }
  .byline { gap: 12px 20px; }
  .evidence-panel { flex-direction: column; align-items: start; gap: 12px; }
  .reader-toolbar { gap: 10px; flex-wrap: wrap; }
  .depth-links { gap: 20px; }
  .reader-actions { margin-left: auto; }
  .reading-layout { grid-template-columns: 1fr; gap: 26px; padding-top: 26px; }
  .reading-aside { position: static; }
  .contents { border-bottom: 1px solid var(--rule); padding-bottom: 16px; }
  .contents summary { margin-bottom: 8px; }
  .aside-return { display: none; }
  .post-content { font-size: 16px; line-height: 1.85; }
  .post-content h2 { font-size: 30px; }
  .post-content .brief-block { padding: 22px; }
  .brief-block h2 { font-size: 13px; }
  .worksheet-layout { grid-template-columns: 1fr; gap: 28px; }
  .worksheet-nav { position: static; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
  .worksheet-nav a { font-size: 12px; }
  .worksheet-main h2 { font-size: 31px; }
  .worksheet-tools { flex-wrap: wrap; gap: 12px; }
  .question-grid { grid-template-columns: 1fr; }
}
@media (max-width: 420px) {
  .nav-actions { gap: 0; }
  .nav-actions .icon-button { width: 36px; flex-basis: 36px; }
  .brand { gap: 8px; }
  .brand-name { font-size: 25px; }
  .opening h1 { font-size: 53px; }
  .opening .eyebrow { max-width: 270px; font-size: 10px; }
  .search-box { padding-left: 12px; gap: 7px; }
  .search-box input { font-size: 13px; }
  .page-head h1, .inquiry h1 { font-size: 37px; }
  .explore-filters { gap: 14px; }
  .explore-filters .segmented { margin-right: 40px; }
  .depth-links { gap: 16px; }
  .depth-links a { font-size: 11px; }
}
@media print {
  @page { margin: 18mm; }
  :root, :root[data-scheme="dark"] { --surface: #fff; --bg: #fff; --ink: #000; --ink-muted: #444; --rule: #aaa; --teal-field: #f3f3f3; --amber-field: #f3f3f3; color-scheme: light; }
  body { font-size: 11pt; background: #fff !important; color: #000 !important; }
  .header, .footer, .follow, .reader-toolbar, .reading-aside, .investigation-band, .toast, .worksheet-nav, .worksheet-tools, .privacy-note, .worksheet-disclaimer, .skip { display: none !important; }
  .wrap, .wrap-narrow, .page-body { width: 100%; max-width: none; }
  .reading-layout, .worksheet-layout { display: block; padding: 0; }
  .page-head, .inquiry { padding: 0; }
  .inquiry h1, .page-head h1 { font-size: 28pt; }
  .inquiry-head { margin-bottom: 20px; }
  .post-content { font-size: 11pt; line-height: 1.6; }
  .post-content h2 { font-size: 20pt; break-after: avoid; }
  .post-content table { min-width: 0; font-size: 9pt; }
  .table-scroll { overflow: visible; }
  .brief-block, tr, .worksheet-field { break-inside: avoid; }
  .worksheet-field textarea { display: none; }
  .print-answer { display: block; white-space: pre-wrap; overflow-wrap: anywhere; min-height: 50px; border-bottom: 1px solid #aaa; font-size: 11pt; }
  .worksheet-field small { font-size: 9pt; }
  .worksheet-section { border: 0; padding: 0; }
  .worksheet-main { display: block !important; }
  .worksheet-main[hidden] { display: none !important; }
  a { color: #000; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* Worksheet blocks, added 21 September 2026: frames, grids, tables and checklists. */
.worksheet-intro{color:var(--muted,#5b636c);margin:6px 0 18px}
.ws-frame{margin:22px 0}
.ws-frame h3,.ws-table h3,.ws-check legend{font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted,#5b636c);font-weight:600;margin:0 0 10px;padding:0}
.ws-frame svg{width:100%;height:auto;max-height:120px;color:currentColor}
.ws-table{margin:22px 0}
.ws-table table{width:100%;border-collapse:collapse}
.ws-table th{text-align:left;font-size:12.5px;font-weight:600;padding:0 8px 6px;border-bottom:1px solid currentColor}
.ws-table td{border-bottom:1px solid rgba(128,128,128,.35);padding:0}
.ws-table td.fixed{padding:8px;font-size:14px;vertical-align:top}
.ws-table input[type=text]{width:100%;border:0;background:transparent;font:inherit;font-size:14px;color:inherit;padding:10px 8px;min-height:40px}
.ws-table input[type=text]:focus{outline:2px solid var(--accent,#a3341f);outline-offset:-2px}
.ws-check{border:0;margin:22px 0;padding:0}
.ws-check label{display:flex;gap:10px;align-items:flex-start;padding:7px 0;font-size:15px;line-height:1.45}
.ws-check input[type=checkbox]{margin-top:4px;width:16px;height:16px;flex:0 0 auto}
@media print{
  .ws-frame svg{max-height:34mm}
  .ws-table input[type=text]{min-height:32px;border-bottom:0}
  .ws-check input[type=checkbox]{-webkit-appearance:none;appearance:none;border:1px solid #000;width:12px;height:12px}
  .ws-check input[type=checkbox]:checked::after{content:"x";display:block;font-size:10px;line-height:11px;text-align:center}
}

/* Stream E, 21 September 2026: the article grid on the homepage and listings. */
.group-head { margin: 34px 0 6px; display: flex; align-items: baseline; gap: 14px; }
.group-head h3 { font-family: var(--display); font-size: 22px; font-weight: 600; margin: 0; }
.group-head p { margin: 0; font-size: 14px; color: var(--muted); }
.question-row .answer { margin: 6px 0 0; font-size: 15px; color: var(--muted); max-width: 680px; }
.evidence-tag { display: inline-block; font-size: 11.5px; letter-spacing: .05em; text-transform: uppercase; border: 1px solid var(--rule); border-radius: 3px; padding: 2px 7px; color: var(--ink); white-space: nowrap; }
.ending { border-top: 1px solid var(--rule); margin-top: 44px; padding-top: 22px; }
.ending h2 { font-family: var(--display); font-size: 21px; margin: 0 0 8px; }
.ending p { margin: 0 0 12px; font-size: 15px; color: var(--muted); max-width: 640px; }
/* Alignment, from Shashank's audit: the worksheet call to action sat below the card baseline. */
.use-layout { align-items: start; }
.use-layout .button { margin-top: 18px; }
.question-meta { display: flex; flex-direction: column; gap: 6px; align-items: flex-start; }

/* The newsletter block, 21 September 2026. */
.subscribe { border-top: 1px solid var(--rule); padding: 48px 0 8px; }
.subscribe-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.subscribe-copy h2 { font-family: var(--display); font-size: 27px; line-height: 1.22; margin: 0 0 10px; max-width: 520px; }
.subscribe-copy p:not(.eyebrow) { color: var(--ink-muted); font-size: 15px; margin: 0; max-width: 460px; }
.subscribe-form { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; align-items: start; margin-top: 6px; }
.subscribe-form input { min-height: 46px; padding: 10px 14px; border: 1px solid var(--rule); border-radius: 4px; background: var(--bg); color: var(--ink); font-size: 15px; }
.subscribe-form input:focus-visible { outline: 3px solid var(--teal); outline-offset: 2px; }
.subscribe-form .button { min-height: 46px; }
.subscribe-note { grid-column: 1 / -1; margin: 2px 0 0; font-size: 13px; color: var(--ink-muted); min-height: 18px; }
.subscribe-note:empty { display: none; }
.success-note { display: none; }
form[data-members-form].success .success-note { display: block; }
form[data-members-form].loading .button { opacity: .6; }
form[data-members-form].error .subscribe-note[data-members-error] { color: var(--red-action); }
.nav-subscribe { padding: 8px 14px; min-height: 36px; font-size: 13px; }
@media (max-width: 860px) { .subscribe-inner { grid-template-columns: 1fr; gap: 24px; } .nav-subscribe { display: none; } }
@media print { .subscribe, .nav-subscribe { display: none; } }

/* Landing page, 21 September 2026. */
.lede { max-width: 760px; }
.lede p { font-size: 17px; color: var(--ink-muted); margin: 14px 0 26px; }
.investigation-card { border: 1px solid var(--rule); padding: 30px 32px; max-width: 900px; }
.investigation-card h3 { font-family: var(--display); font-size: 26px; margin: 4px 0 10px; }
.investigation-card p { color: var(--ink-muted); font-size: 15px; margin: 0 0 20px; max-width: 620px; }
.card-groups { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; border-top: 1px solid var(--rule); padding-top: 18px; margin-bottom: 20px; }
.card-groups div span { display: block; font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-muted); }
.card-groups div b { font-family: var(--display); font-weight: 600; font-size: 17px; }
.evidence-key { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; max-width: 1000px; }
.evidence-key div { border-top: 1px solid var(--ink); padding-top: 12px; }
.evidence-key b { display: block; font-size: 12px; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 6px; }
.evidence-key p { font-size: 13.5px; color: var(--ink-muted); margin: 0; }
@media (max-width: 860px) { .card-groups, .evidence-key { grid-template-columns: 1fr; gap: 14px; } }

.proof-strip { border-left: 2px solid var(--ink); padding: 2px 0 2px 22px; margin: 26px 0 30px; max-width: 700px; }
.proof-strip p { font-size: 15.5px; color: var(--ink); margin: 0 0 10px; }
.proof-strip .proof-meta { display: flex; align-items: center; gap: 14px; margin: 0; }

/* Worksheet branding and print, 22 September 2026. */
.ws-mast { display: flex; align-items: baseline; justify-content: space-between; gap: 14px; border-bottom: 2px solid var(--red); padding-bottom: 8px; margin: 28px 0 20px; }
.ws-mark { font-family: var(--display); font-size: 20px; font-weight: 600; }
.ws-tag { font-size: 11.5px; color: var(--ink-muted); text-align: right; }
.ws-evidence { font-size: 13.5px; color: var(--ink-muted); border-top: 1px solid var(--rule); padding-top: 14px; margin-top: 26px; }
.ws-reading h3 { font-size: 12.5px; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-muted); margin: 18px 0 8px; }
.ws-reading ul { margin: 0; padding-left: 18px; }
.ws-reading li { font-size: 14px; margin-bottom: 5px; }
.ws-foot { font-size: 12px; color: var(--ink-muted); border-top: 1px solid var(--rule); padding-top: 10px; margin-top: 18px; }
.button.small { min-height: 36px; padding: 8px 14px; font-size: 13px; }
@media print {
  .header, .worksheet-nav, .worksheet-tools, .worksheet-status, .follow, .subscribe, .site-footer, .footer { display: none !important; }
  .worksheet-main { break-inside: auto; }
  .ws-mast { margin-top: 0; }
  .worksheet-intro, .ws-evidence, .ws-reading li { font-size: 10.5pt; }
  .ws-reading a::after { content: " (proofweight.com)"; font-size: 9pt; }
}

/* The ten-minute summary on the investigations page, 22 September 2026. */
.summary-block { border-bottom: 1px solid var(--rule); padding-bottom: 34px; margin-bottom: 10px; }
.summary-block h2 { font-family: var(--display); font-size: 30px; margin: 0 0 8px; }
.summary-lede { color: var(--ink-muted); margin: 0 0 20px; max-width: 620px; }
.summary-table { width: 100%; border-collapse: collapse; }
.summary-table th { text-align: left; font-size: 12px; letter-spacing: .05em; text-transform: uppercase; color: var(--ink-muted); border-bottom: 1px solid var(--ink); padding: 0 12px 8px 0; }
.summary-table td { border-bottom: 1px solid var(--rule); padding: 12px 12px 12px 0; vertical-align: top; font-size: 14.5px; }
.summary-table td:first-child { font-family: var(--display); font-size: 17px; width: 32%; }
.summary-table td:last-child { width: 15%; }
.summary-block h3 { font-size: 13px; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-muted); margin: 28px 0 8px; }
.summary-block p { max-width: 720px; }
.summary-note { font-size: 13.5px; color: var(--ink-muted); }
@media (max-width: 720px) { .summary-table td:first-child { width: auto; } }

/* Worksheet questions and position line, 22 September 2026. */
.ws-position { border-left: 2px solid var(--red); padding: 2px 0 2px 16px; margin: 18px 0 24px; font-size: 15px; }
.ws-qhead { font-size: 13px; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-muted); margin: 26px 0 10px; }
.ws-questions { list-style: decimal; margin: 0; padding-left: 20px; }
.ws-questions li { margin-bottom: 14px; }
.ws-questions li span { display: block; font-size: 15.5px; margin-bottom: 4px; }
.ws-questions input[type=text] { width: 100%; border: 0; border-bottom: 1px solid var(--rule); background: transparent; font: inherit; font-size: 14.5px; color: inherit; padding: 6px 2px; min-height: 34px; }
.ws-questions input[type=text]:focus { outline: none; border-bottom-color: var(--red-action); }
@media print { .ws-questions li { margin-bottom: 10px; } .ws-questions input[type=text] { min-height: 26px; } .ws-position { font-size: 10.5pt; } }

/* Subscribe button contrast, fixed 22 September 2026. The scheme variables made
   the label low contrast in dark mode and washed out in light. Fixed values now. */
.button, a.button, button.button { background: #b62e27; border-color: #b62e27; color: #ffffff; }
.button:visited { color: #ffffff; }
.button:hover, a.button:hover { background: #8f231e; border-color: #8f231e; color: #ffffff; }
.button.secondary { background: transparent; border-color: var(--rule); color: var(--ink); }
.button.secondary:hover { background: var(--bg); border-color: var(--ink); color: var(--ink); }
.nav-subscribe { background: #b62e27; border-color: #b62e27; color: #ffffff; font-weight: 600; letter-spacing: .01em; }
:root[data-scheme="dark"] .button, :root[data-scheme="dark"] .nav-subscribe { background: #c8382f; border-color: #c8382f; color: #ffffff; }
:root[data-scheme="dark"] .button:hover { background: #e04a3f; border-color: #e04a3f; color: #ffffff; }

/* Homepage: how we work, and the investigation roadmap. */
.how-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 34px; max-width: 1000px; margin-top: 6px; }
.how-grid div { border-top: 2px solid var(--ink); padding-top: 14px; }
.how-grid h3 { font-family: var(--display); font-size: 19px; margin: 0 0 8px; }
.how-grid p { font-size: 14.5px; color: var(--ink-muted); margin: 0; }
.roadmap { width: 100%; border-collapse: collapse; max-width: 1000px; }
.roadmap th { text-align: left; font-size: 12px; letter-spacing: .05em; text-transform: uppercase; color: var(--ink-muted); border-bottom: 1px solid var(--ink); padding: 0 12px 8px 0; }
.roadmap td { border-bottom: 1px solid var(--rule); padding: 14px 12px 14px 0; vertical-align: top; font-size: 15px; }
.roadmap td:first-child { font-family: var(--display); font-size: 18px; width: 30%; }
.roadmap .road-status { font-size: 11.5px; letter-spacing: .06em; text-transform: uppercase; border: 1px solid var(--rule); border-radius: 3px; padding: 2px 8px; white-space: nowrap; }
.roadmap .road-status.live { border-color: var(--ink); color: var(--ink); font-weight: 600; }
.roadmap .road-status { display: inline-block; color: var(--ink-muted); }
@media (max-width: 860px) { .how-grid { grid-template-columns: 1fr; gap: 22px; } .roadmap td:first-child { width: auto; } }