/* History desk: editorial paper, river blue, archival rules. Scoped to history. */
.history-desk{--hd-river:#245b63;--hd-muted:var(--ink-secondary);color:var(--ink)}
[data-theme="dark"] .history-desk{--hd-river:#8bc8ca}
.history-desk *{box-sizing:border-box}.history-desk [hidden]{display:none!important}
.history-desk a:focus-visible,.history-desk button:focus-visible,.history-desk input:focus-visible,.history-desk select:focus-visible,.history-desk summary:focus-visible{outline:3px solid var(--hd-river);outline-offset:4px}
.hd-nav{display:flex;gap:22px;flex-wrap:wrap;border-bottom:1px solid var(--rule);padding:0 0 16px;margin-bottom:34px;font:600 13px var(--sans)}.hd-nav a{color:var(--ink-secondary)}.hd-nav a[aria-current]{color:var(--hd-river);text-decoration:underline;text-underline-offset:7px}
.hd-heading{display:grid;grid-template-columns:1.25fr 1fr;gap:55px;padding:15px 0 42px;align-items:end}.hd-label{font:700 11px/1.5 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--hd-river)}
.hd-heading h1,.hd-page-heading h1{font:700 clamp(43px,5.5vw,76px)/1.04 var(--serif);letter-spacing:-.045em;margin:14px 0 0}.hd-heading h1 em,.hd-page-heading h1 em{font-weight:400;color:var(--hd-river)}.hd-intro p{font:19px/1.55 var(--body);margin:0 0 14px;max-width:32em}.hd-intro p:first-child{font-size:24px;line-height:1.35}.hd-text-link{font:700 14px var(--sans);color:var(--hd-river)}
.hd-feature{display:grid;grid-template-columns:1fr 1.15fr;border-top:3px solid var(--ink);border-bottom:1px solid var(--rule);background:var(--paper-warm)}.hd-feature-art{background:#143e47;color:#f5ead3;min-height:330px;padding:35px;position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:space-between}.hd-feature-art>span{font:700 clamp(35px,4vw,55px)/1.08 var(--serif);letter-spacing:.03em;z-index:1}.hd-feature-art small{font:12px var(--sans);letter-spacing:.1em;z-index:1}.hd-wave{position:absolute;width:600px;height:300px;left:80px;top:95px;transform:rotate(-25deg);border:1px solid #7ca6a5;border-radius:50%;box-shadow:0 18px 0 -1px #143e47,0 19px 0 #7ca6a5,0 38px 0 -1px #143e47,0 39px 0 #7ca6a5,0 58px 0 -1px #143e47,0 59px 0 #7ca6a5;opacity:.6}.hd-feature-copy{padding:38px}.hd-feature h2{font:700 clamp(25px,3vw,36px)/1.15 var(--serif);margin:12px 0 16px}.hd-feature h2 a{color:var(--ink)}.hd-feature p{font:17px/1.6 var(--body)}.hd-button{display:inline-block;background:var(--hd-river);color:var(--paper)!important;padding:12px 18px;font:700 13px var(--sans);margin:14px 0 8px}.hd-button:hover{filter:brightness(1.15);text-decoration:none}
.hd-section{margin-top:55px}.hd-section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:25px}.hd-section h2,.hd-section-head h2{font:700 clamp(25px,3vw,34px)/1.2 var(--serif);margin:6px 0 0;letter-spacing:-.02em}.hd-section-head>a{font:600 13px var(--sans);white-space:nowrap;color:var(--hd-river)}
.hd-trails{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--rule)}.hd-trail{display:flex;gap:15px;padding:24px 20px 24px 0;border-bottom:1px solid var(--rule);color:var(--ink)}.hd-trail:hover{background:var(--paper-warm);text-decoration:none}.hd-trail-number{font:italic 28px var(--serif);color:var(--hd-river)}.hd-trail h3{font:700 20px/1.25 var(--serif);margin:0 0 8px}.hd-trail p{font:15px/1.5 var(--body);color:var(--ink-secondary);margin:0 0 12px}.hd-meta{font:12px/1.6 var(--sans)!important;color:var(--ink-secondary)}
.hd-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px 25px}.hd-card{border-top:1px solid var(--rule);padding-top:18px;min-width:0}.hd-card-image{display:block;margin-bottom:17px;background:var(--paper-warm)}.hd-card-image img{display:block;width:100%;height:180px;object-fit:cover}.hd-card h3{font:700 23px/1.2 var(--serif);margin:9px 0}.hd-card h3 a{color:var(--ink)}.hd-card p{font:16px/1.6 var(--body);color:var(--ink-secondary);margin:0 0 15px}.hd-card .hd-meta a{color:var(--hd-river)}
.hd-atlas{padding:28px;background:var(--paper-warm);border-top:3px double var(--ink);border-bottom:1px solid var(--rule)}.hd-chart-note{font:13px/1.6 var(--sans);color:var(--ink-secondary)}.hd-chart-grid{display:grid;grid-template-columns:1fr 1fr;gap:35px;margin:25px 0}.hd-chart-grid h3{font:700 21px var(--serif);margin:0 0 8px}.hd-bars{margin:22px 0}.hd-bar-row{display:grid;grid-template-columns:minmax(100px,1.2fr) minmax(60px,1fr) 35px;align-items:center;gap:12px;margin:17px 0;font:13px/1.4 var(--sans);color:var(--ink)}.hd-bar-row b{font-variant-numeric:tabular-nums;text-align:right}.hd-bar-track{height:19px;background:var(--rule)}.hd-bar-track>span{display:block;height:100%;background:var(--hd-river);min-width:2px}.hd-bar-row:hover .hd-bar-track>span{background:var(--accent)}.hd-atlas details{font:13px/1.6 var(--sans);border-top:1px solid var(--rule);padding-top:12px}.hd-atlas summary{cursor:pointer;font-weight:700}.hd-atlas table{border-collapse:collapse;width:100%;margin-top:12px}.hd-atlas th,.hd-atlas td{text-align:left;padding:8px 5px;border-bottom:1px solid var(--rule)}.hd-atlas caption{text-align:left;font-weight:700}
.hd-split{display:grid;grid-template-columns:1fr 1fr;gap:55px;border-top:1px solid var(--rule);padding-top:32px}.hd-split p{font:18px/1.65 var(--body);color:var(--ink-secondary)}.hd-paths>a{display:block;padding:18px 0;border-bottom:1px solid var(--rule);color:var(--ink)}.hd-paths>a:first-child{padding-top:0}.hd-paths span{font:11px var(--sans);letter-spacing:.1em;color:var(--hd-river)}.hd-paths h3{font:700 23px var(--serif);margin:6px 0}.hd-paths p{font-size:15px;margin:0}.hd-month{display:flex;flex-wrap:wrap;gap:25px;border-top:1px solid var(--rule);padding-top:20px}.hd-month a{display:flex;gap:18px;align-items:center;max-width:420px;color:var(--ink)}.hd-month strong{font:700 25px var(--serif);color:var(--hd-river)}.hd-month span{font:16px/1.4 var(--body)}
.hd-search{padding:28px 0;border-top:3px solid var(--ink);display:grid;grid-template-columns:1fr 1fr;gap:30px}.hd-search p{font:16px/1.5 var(--body)}.hd-search form{align-self:center}.hd-search label,.hd-filters label{display:block;font:600 12px var(--sans);margin-bottom:9px}.hd-search form>div{display:flex}.hd-search input{min-width:0;flex:1}.hd-search input,.hd-filters input,.hd-filters select{padding:12px;border:1px solid var(--rule);background:var(--paper-card);color:var(--ink);font:15px var(--sans);border-radius:0;max-width:100%}.hd-search button,.hd-filters button{padding:12px 15px;border:1px solid var(--hd-river);background:var(--hd-river);color:var(--paper);font:600 13px var(--sans);cursor:pointer}.hd-page-heading{padding:12px 0 30px;border-bottom:3px double var(--ink)}.hd-page-heading p{font:19px/1.6 var(--body);max-width:650px;margin:20px 0 0}.hd-feature-list{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-top:24px}.hd-feature-list h3{font:700 24px/1.25 var(--serif);margin:8px 0}.hd-feature-list h3 a{color:var(--ink)}.hd-feature-list p{font:16px/1.6 var(--body);color:var(--ink-secondary)}.hd-filters{display:grid;grid-template-columns:1.4fr 1fr auto;gap:16px;align-items:end;background:var(--paper-warm);padding:20px}.hd-filters input,.hd-filters select{width:100%}
.history-desk .story-wrap{max-width:780px}.history-desk .story-body p{text-align:left;hyphens:manual;font-size:20px;line-height:1.75}.history-desk .story-body h2{scroll-margin-top:25px}.hd-toc{margin:25px 0;padding:18px 22px;border-left:3px solid var(--hd-river);background:var(--paper-warm);font:14px/1.6 var(--sans)}.hd-toc summary{cursor:pointer;font-weight:700}.hd-toc ol{padding-left:20px;margin-top:12px;columns:2}.hd-toc li{break-inside:avoid;margin-bottom:8px}.hd-toc a{color:var(--hd-river)}.history-desk .story-hero-wrap{margin:0 0 30px;border-radius:0}.history-desk .story-hero-wrap img{height:300px;filter:none;object-fit:contain;background:var(--paper-warm)}.history-desk .story-hero-overlay{position:static;padding:25px 0;background:none;color:var(--ink)}.history-desk .story-hero-overlay h1{text-shadow:none;font-size:42px}.history-desk .story-hero-overlay .meta-line{opacity:1;flex-wrap:wrap;color:var(--ink-secondary)}.history-desk .story-header-plain{text-align:left}.history-desk .story-header-plain .subtitle{margin-left:0}.history-desk .story-header-plain .meta-line{justify-content:flex-start;flex-wrap:wrap}.history-desk .story-inline-fig{margin-left:0;margin-right:0}.history-desk .story-sources{border-radius:0}.history-desk .story-sources li{overflow-wrap:anywhere}.hd-related{margin:45px 0}.hd-related h2{font:700 25px var(--serif)}.hd-related p{font:16px/1.5 var(--body)}
@media(max-width:760px){.hd-heading,.hd-feature,.hd-chart-grid,.hd-split,.hd-search{grid-template-columns:1fr;gap:24px}.hd-heading{padding-top:0}.hd-heading h1{font-size:55px}.hd-intro p:first-child{font-size:22px}.hd-feature-art{min-height:245px;padding:25px}.hd-feature-art>span{font-size:38px}.hd-feature-copy{padding:25px}.hd-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hd-trails{grid-template-columns:1fr 1fr}.hd-section{margin-top:38px}.hd-section-head{align-items:start;flex-direction:column;gap:10px}.hd-atlas{padding:20px}.hd-filters{grid-template-columns:1fr 1fr}.hd-filters button{grid-column:1/-1}.hd-nav{gap:14px;font-size:12px}.hd-toc ol{columns:1}.history-desk .story-body p{font-size:18px}.history-desk .story-hero-overlay h1{font-size:34px}}
@media(max-width:480px){.hd-grid,.hd-trails,.hd-feature-list,.hd-filters{grid-template-columns:1fr}.hd-heading h1,.hd-page-heading h1{font-size:44px}.hd-card{display:block}.hd-card-image img{height:210px}.hd-trail{padding:20px 0}.hd-search form>div{flex-direction:column;gap:8px}.hd-chart-grid{gap:25px}.hd-bar-row{grid-template-columns:minmax(90px,1.2fr) minmax(50px,1fr) 30px;gap:8px}.history-desk .story-hero-wrap img{height:220px}}
@media(prefers-reduced-motion:reduce){.history-desk *{transition:none!important;scroll-behavior:auto!important}}
@media print{.hd-nav,.hd-filters,.hd-search{display:none}.hd-grid{display:block}.hd-card{break-inside:avoid}.hd-feature-art{display:none}.hd-feature{display:block}.history-desk{--hd-river:#245b63}}

.hd-explore .explore-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 25px}.hd-explore .explore-card{padding:15px 0;display:block;border-bottom:1px solid var(--rule);color:var(--ink)}.hd-explore h3{font:700 18px var(--serif);margin:0 0 5px}.hd-explore p{font:14px/1.5 var(--body);color:var(--ink-secondary)}
@media(max-width:600px){.hd-explore .explore-cards{grid-template-columns:1fr 1fr}}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]) .history-desk{--hd-river:#8bc8ca}}

.hd-sequence{border-top:3px solid var(--hd-river);padding:26px 0}.hd-sequence>p{font:17px/1.6 var(--body);max-width:730px}.hd-sequence-controls{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));margin:25px 0 0;border-bottom:1px solid var(--hd-river)}.hd-sequence-controls button{border:0;border-top:1px solid var(--rule);background:var(--paper-warm);color:var(--ink);padding:14px 10px;text-align:left;cursor:pointer;font:700 13px/1.4 var(--sans)}.hd-sequence-controls button span{display:block;font:italic 25px var(--serif);margin-bottom:6px}.hd-sequence-controls button small{display:block;font:11px/1.5 var(--sans);margin-top:5px}.hd-sequence-controls button[aria-pressed="true"]{background:var(--hd-river);color:var(--paper)}.hd-sequence-panels article{display:grid;grid-template-columns:100px 1fr;gap:24px;background:var(--paper-warm);padding:30px;min-height:245px}.hd-event-number{font:italic 74px var(--serif);color:var(--hd-river);opacity:.6}.hd-sequence-panels h3{font:700 28px/1.2 var(--serif);margin:10px 0}.hd-sequence-panels p{font:17px/1.65 var(--body)}.hd-land-chart{margin:30px 0;padding:25px;border:1px solid var(--rule);background:var(--paper-warm)}.hd-land-chart h2{font:700 28px var(--serif);margin:12px 0 22px}.hd-land-bar{display:flex;gap:3px;height:65px}.hd-land-bar span{background:#245b63;color:white;display:grid;place-items:center;font:700 20px var(--sans)}.hd-land-bar span:nth-child(2){background:#8b480f}.hd-land-bar span:nth-child(3){background:#526f43}.hd-land-chart figcaption{font:13px/1.65 var(--sans);margin-top:15px}.history-desk .story-body .hd-correction{font:14px/1.65 var(--sans);padding:18px;border-left:3px solid var(--hd-river);background:var(--paper-warm)}.history-desk .story-body>p.hd-correction::first-letter{float:none;font:inherit;padding:0;margin:0;color:inherit}
@media(max-width:600px){.hd-sequence-controls{grid-template-columns:repeat(3,minmax(0,1fr))}.hd-sequence-panels article{grid-template-columns:1fr;gap:8px;padding:22px;min-height:0}.hd-event-number{font-size:42px}.hd-sequence-panels h3{font-size:24px}.hd-sequence-controls button{min-height:110px}}@media print{.hd-sequence-controls{display:none}.history-desk .hd-sequence-panels [hidden]{display:grid!important}}

.hd-photo-credit{font:12px/1.5 var(--sans);color:var(--ink-secondary);margin:10px 0 0}.history-desk .story-inline-fig img{object-fit:contain;background:var(--paper-warm)}

/* Compact landing page: title, archive search and substantive content. */
.hd-home .hd-nav{margin-bottom:22px}
.hd-home .hd-heading{grid-template-columns:1fr minmax(280px,.75fr);gap:32px;padding:0 0 26px;align-items:center}
.hd-home .hd-heading h1{font-size:clamp(34px,4vw,48px);letter-spacing:-.035em;margin:0}
.hd-description{font:16px/1.5 var(--body);color:var(--ink-secondary);margin:10px 0 0}
.hd-archive-search label{display:block;font:600 12px var(--sans);margin-bottom:8px}
.hd-archive-search>div{display:flex}
.hd-archive-search input{min-width:0;width:100%;padding:12px;border:1px solid var(--rule);background:var(--paper-card);color:var(--ink);font:14px var(--sans)}
.hd-archive-search button{padding:12px 17px;border:1px solid var(--hd-river);background:var(--hd-river);color:var(--paper);font:600 13px var(--sans);cursor:pointer}
.hd-home .hd-feature{grid-template-columns:minmax(200px,.55fr) 1.45fr;align-items:center}
.hd-feature-image{display:block;padding:20px;background:var(--paper-warm)}
.hd-feature-image img{display:block;width:100%;height:auto;max-height:220px;object-fit:contain}
.hd-home .hd-feature-copy{padding:24px}
.hd-home .hd-feature h2{font-size:clamp(24px,2.7vw,31px);margin:8px 0 12px}
.hd-home .hd-feature p{font-size:16px;line-height:1.5;margin:8px 0}
.hd-home .hd-feature .hd-button{padding:9px 14px;margin:8px 0}
.hd-home .hd-section{margin-top:38px}
.hd-home .hd-section-head{margin-bottom:18px}
.hd-home .hd-section h2{font-size:clamp(24px,2.7vw,30px)}
.hd-page-heading h1{font-size:clamp(34px,4vw,48px);margin-top:0}
.hd-page-heading p{font-size:17px;margin-top:12px}
@media(max-width:760px){.hd-home .hd-heading{grid-template-columns:1fr;gap:20px}.hd-home .hd-feature{grid-template-columns:minmax(150px,.65fr) 1.35fr}.hd-home .hd-feature-copy{padding:20px}.hd-feature-image{padding:12px}}
@media(max-width:480px){.hd-home .hd-feature{grid-template-columns:1fr}.hd-feature-image img{height:150px}.hd-home .hd-feature-copy{padding:18px}.hd-home .hd-section{margin-top:30px}.hd-home .hd-heading{padding-bottom:22px}}

.hd-atlas-link{display:grid;grid-template-columns:1.1fr 1fr;gap:35px;align-items:center;color:var(--ink);margin:32px 0 0;padding:0 0 28px;border-bottom:1px solid var(--rule)}.hd-atlas-thumb{overflow:hidden;height:225px;background:var(--paper-warm)}.hd-atlas-thumb img{width:100%;height:100%;object-fit:cover;object-position:45% 45%;display:block}.hd-atlas-link h2{font:700 31px/1.15 var(--serif);margin:9px 0 12px}.hd-atlas-link p{font:16px/1.6 var(--body);color:var(--ink-secondary);margin:0 0 18px}.hd-atlas-link:hover h2{text-decoration:underline;text-underline-offset:5px}@media(max-width:700px){.hd-atlas-link{grid-template-columns:1fr;gap:20px}.hd-atlas-thumb{height:190px}.hd-atlas-link h2{font-size:28px}}