* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 32px; }
body { margin: 0; }
img, svg { max-width: 100%; }
img { display: block; width: 100%; object-fit: cover; }
a { text-underline-offset: 5px; }
button, input, summary { font: inherit; }
button, summary { cursor: pointer; }
[hidden] { display: none !important; }
.river-width { width: min(1344px, calc(100% - 96px)); margin-inline: auto; }
.skip-to-reading { position: absolute; top: 8px; left: 24px; z-index: 10; padding: 14px 20px; transform: translateY(-160%); }
.skip-to-reading:focus { transform: translateY(0); }
.utility-strip .river-width { display: flex; justify-content: space-between; gap: 20px; align-items: center; min-height: 44px; }
.utility-strip a { display: inline-flex; align-items: center; min-height: 44px; }
.masthead-row { display: flex; justify-content: space-between; align-items: center; min-height: 88px; gap: 24px; }
.site-name { display: inline-flex; align-items: center; min-height: 44px; text-decoration: none; }
.primary-links { display: flex; align-items: center; gap: 26px; }
.primary-links a { display: inline-flex; align-items: center; min-height: 48px; padding: 4px 8px; text-decoration: none; }
.header-line { margin: 0; padding: 0 0 21px; white-space: nowrap; }
.compact-menu { display: none; }
.opening { text-align: center; padding: 108px 24px 110px; }
.opening h1 { max-width: 980px; margin: 0 auto 26px; }
.opening .opening-line { max-width: 710px; margin: 0 auto; }
.topic-jumps { display: flex; justify-content: center; flex-wrap: wrap; gap: 16px 36px; margin-top: 38px; }
.topic-jumps a { display: inline-flex; align-items: center; justify-content: center; gap: 14px; min-height: 48px; text-decoration: none; }
.link-arrow { display: inline-block; flex: 0 0 20px; width: 20px; height: 20px; vertical-align: middle; }
.section-space { padding-block: 100px; }
.section-title { max-width: 790px; margin: 0 auto 48px; text-align: center; }
.section-title p { max-width: 620px; margin-inline: auto; }
.topic-row { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; }
.topic-card { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; padding: 40px 36px 34px; border-radius: 16px; }
.topic-card h3 { margin: 0; }
.topic-card p { margin: 0; }
.topic-card .pill-link { margin-top: 16px; }
.pill-link { display: inline-flex; align-items: center; justify-content: center; gap: 16px; min-height: 52px; min-width: 44px; padding: 13px 24px; border-radius: 999px; text-decoration: none; }
.deep-feature { margin-top: 22px; }
.feature-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 80px; padding-block: 88px; }
.feature-copy { max-width: 535px; }
.feature-copy h2 { margin-top: 0; }
.feature-copy .pill-link { margin-top: 18px; }
.feature-photo { margin: 0; }
.feature-photo img { height: 590px; border-radius: 10px; object-position: 50% 68%; }
.anchor-bar { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); margin-bottom: 24px; border-radius: 9px; overflow: hidden; }
.anchor-bar a { display: flex; align-items: center; justify-content: center; min-height: 56px; padding: 12px; text-align: center; text-decoration: none; }
.anchor-panel { display: grid; grid-template-columns: .8fr 1.2fr; gap: 68px; padding: 56px; border-radius: 10px; margin-top: 18px; scroll-margin-top: 26px; }
.anchor-panel h3 { margin: 0; max-width: 360px; }
.anchor-panel p { margin-top: 0; max-width: 650px; }
.anchor-panel p:last-child { margin-bottom: 0; }
.text-route { display: inline-flex; align-items: center; gap: 14px; min-height: 48px; }
.wide-join { display: grid; grid-template-columns: .9fr 1.1fr; overflow: hidden; border-radius: 12px; margin-bottom: 100px; }
.wide-join .join-copy { padding: 66px 48px; max-width: 650px; align-self: center; position: relative; z-index: 1; }
.wide-join h2 { margin-top: 0; }
.diagonal-photo { margin: 0; position: relative; min-height: 560px; }
.diagonal-photo::before { content: ""; position: absolute; z-index: 1; left: -70px; top: -5%; height: 110%; width: 112px; transform: skewX(-11deg); }
.diagonal-photo img { height: 100%; min-height: 560px; object-position: 60% 50%; }
.reading-spread { display: grid; grid-template-columns: 300px minmax(0,720px); justify-content: space-between; gap: 80px; }
.reading-spread .section-context h2 { margin-top: 0; }
.reading-column { max-width: 720px; min-width: 0; }
.reading-column h3 { margin-top: 38px; margin-bottom: 14px; }
.reading-column h3:first-child { margin-top: 0; }
.reading-column p { margin: 0 0 22px; }
.inner-opening { padding-block: 46px 70px; display: grid; grid-template-columns: 1.06fr .94fr; gap: 76px; align-items: center; }
.inner-opening figure { margin: 0; }
.inner-opening img { height: 462px; border-radius: 12px; }
.inner-heading h1 { margin-top: 0; margin-bottom: 24px; }
.inner-heading .topic-jumps { justify-content: flex-start; gap: 8px 24px; margin-top: 24px; }
.lead-panel { max-width: 100%; padding: 46px 50px; border-radius: 12px; margin-bottom: 96px; }
.lead-panel p { max-width: 970px; margin: 0; }
.evidence-row { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 22px; margin-block: 50px; }
.evidence-card { padding: 38px; border-radius: 12px; }
.evidence-card h3 { margin-top: 0; }
.evidence-card p { max-width: 570px; }
.source-link { display: inline-flex; align-items: center; min-width: 44px; min-height: 44px; }
.evidence-card .source-link { display: inline-flex; align-items: center; min-height: 48px; }
.source-links { margin-top: 28px; display: flex; flex-direction: column; align-items: flex-start; }
.source-links a { display: inline-flex; align-items: center; min-height: 48px; padding-block: 10px; }
.glossary-area { padding: 64px; border-radius: 14px; }
.glossary-intro { max-width: 700px; }
.glossary-intro h2 { margin-top: 0; }
.glossary-controls { margin-block: 36px; }
.glossary-controls label { display: block; margin-bottom: 12px; }
.glossary-controls input { display: block; width: min(100%,650px); min-height: 56px; padding: 14px 18px; border: 1px solid; border-radius: 10px; }
.letter-chips { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 16px; }
.letter-chips button { min-width: 48px; min-height: 48px; border: 1px solid; border-radius: 999px; padding: 8px 14px; }
.filter-status { min-height: 26px; }
.term-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 60px; margin: 0; }
.term-entry { border-top: 1px solid; padding-block: 26px; }
.term-entry dd { margin: 12px 0 0; }
.term-entry p { margin: 0; }
.next-reading { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 22px; padding-block: 38px; border-top: 1px solid; margin-top: 72px; }
.next-reading p { margin: 0; }
.site-footer { padding-block: 72px 30px; }
.footer-name { margin: 0 0 40px; max-width: 100%; }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr 1fr 1.1fr; gap: 48px; }
.footer-grid h2 { margin: 0 0 14px; }
.footer-grid a { display: flex; align-items: center; min-height: 48px; padding-block: 8px; width: fit-content; }
.footer-grid p { margin-top: 0; }
.footer-sentence { max-width: 900px; margin: 54px 0 30px; }
.footer-base { display: flex; justify-content: space-between; gap: 24px; align-items: center; padding-top: 20px; border-top: 1px solid; }
.footer-base p { margin: 0; }
.footer-base a { display: inline-flex; align-items: center; min-width: 44px; min-height: 48px; }
.missing-page { max-width: 760px; padding: 100px 24px 130px; margin-inline: auto; }
.missing-page h1 { margin-top: 0; }
@media (max-width:1100px) {
 .river-width { width: calc(100% - 64px); }
 .primary-links { gap: 10px; }
 .feature-grid, .inner-opening { gap: 40px; }
 .reading-spread { grid-template-columns: 230px minmax(0,1fr); gap: 50px; }
 .topic-card { padding: 30px 26px; }
 .anchor-panel { gap: 38px; padding: 40px; }
 .wide-join .join-copy { padding: 44px 36px; }
 .footer-grid { gap: 26px; }
}
@media (max-width:800px) {
 .river-width { width: calc(100% - 48px); }
 .masthead > .river-width { width: calc(100% - 32px); }
 .masthead-row { gap: 12px; }
 .primary-links { gap: 3px; }
 .primary-links a { padding-inline: 6px; }
 .header-line { font-size: 16px; }
 .opening { padding-top: 90px; padding-bottom: 90px; }
 .topic-card { padding: 28px 22px; }
 .topic-row { gap: 12px; }
 .feature-grid { gap: 34px; padding-block: 65px; }
 .feature-photo img { height: 490px; }
 .reading-spread { grid-template-columns: 1fr; gap: 30px; }
 .section-context { max-width: 600px; }
 .inner-opening { gap: 32px; }
 .inner-opening img { height: 390px; }
 .lead-panel { padding: 36px; }
 .wide-join { grid-template-columns: 1fr 1fr; }
 .wide-join .join-copy { padding: 38px 30px; }
 .diagonal-photo::before { left: -80px; }
 .evidence-card { padding: 30px; }
 .glossary-area { padding: 40px; }
 .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}
@media (max-width:759px) {
 .river-width { width: calc(100% - 40px); }
 .masthead > .river-width { width: calc(100% - 40px); }
 .utility-strip .river-width { gap: 12px; }
 .utility-strip span { max-width: 170px; padding-block: 10px; }
 .utility-strip a { max-width: 130px; text-align: right; }
 .masthead-row { min-height: 88px; }
 .site-name { max-width: 250px; }
 .primary-links { display: none; }
 .compact-menu { display: block; position: relative; }
 .compact-menu summary { display: flex; align-items: center; justify-content: center; min-width: 56px; min-height: 48px; padding: 10px; border-radius: 999px; list-style: none; }
 .compact-menu summary::-webkit-details-marker { display: none; }
 .compact-menu nav { position: absolute; right: 0; top: 62px; width: min(310px,calc(100vw - 40px)); z-index: 4; padding: 16px; border-radius: 12px; }
 .compact-menu:not([open]) nav { display: none; }
 .compact-menu nav a { display: flex; align-items: center; min-height: 52px; padding: 10px 14px; }
 .header-line { white-space: normal; padding-bottom: 22px; }
 .opening { padding: 70px 20px 74px; }
 .opening .opening-line { max-width: 520px; }
 .topic-jumps { flex-direction: column; align-items: center; gap: 4px; margin-top: 30px; }
 .topic-jumps a { justify-content: flex-start; min-width: 210px; }
 .section-space { padding-block: 70px; }
 .section-title { margin-bottom: 30px; }
 .topic-row { grid-template-columns: 1fr; gap: 16px; }
 .topic-card { padding: 32px; gap: 14px; }
 .topic-card .pill-link { margin-top: 8px; }
 .feature-grid { grid-template-columns: 1fr; gap: 38px; padding-block: 58px; }
 .feature-copy { max-width: 600px; }
 .feature-photo img { height: 380px; }
 .anchor-bar { grid-template-columns: 1fr; }
 .anchor-bar a { min-height: 52px; }
 .anchor-panel { grid-template-columns: 1fr; gap: 24px; padding: 30px; }
 .wide-join { grid-template-columns: 1fr; margin-bottom: 70px; }
 .wide-join .join-copy { padding: 38px 30px; }
 .diagonal-photo { min-height: 330px; }
 .diagonal-photo img { height: 330px; min-height: 0; object-position: 65% 50%; }
 .diagonal-photo::before { display: none; }
 .inner-opening { display: flex; flex-direction: column-reverse; gap: 36px; padding-block: 60px 36px; align-items: stretch; }
 .inner-opening figure { width: 100%; }
 .inner-opening img { height: 300px; }
 .inner-heading .topic-jumps { align-items: flex-start; }
 .lead-panel { padding: 30px; margin-bottom: 65px; }
 .evidence-row { grid-template-columns: 1fr; margin-block: 36px; }
 .glossary-area { padding: 34px 26px; }
 .term-grid { grid-template-columns: 1fr; }
 .next-reading { margin-top: 48px; }
 .site-footer { padding-top: 55px; }
 .footer-grid { gap: 30px 24px; }
 .footer-sentence { margin-top: 40px; }
 .footer-base { align-items: flex-start; flex-direction: column; gap: 12px; }
 .missing-page { padding-block: 70px 100px; }
}
@media (prefers-reduced-motion:reduce) { html { scroll-behavior: auto; } }