/* Consistent insets for every highlighted reading link. */
.human-selection{margin-top:50px;padding-top:26px;border-top:1px solid var(--line)}.human-selection>h2{margin:0 0 24px}.human-card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.human-card-grid .uniform-card{height:100%}.human-interview{margin-top:28px;padding-top:22px;border-top:1px solid var(--line)}.human-source-context{margin:35px 0;padding:20px 24px;border:1px solid var(--line);background:#fffdf8}.human-source-context summary{cursor:pointer;font:15px var(--sans);color:var(--green)}.human-source-context[open] summary{margin-bottom:22px}@media(max-width:1000px){.human-card-grid{grid-template-columns:1fr}}
.side,.reading-layout .side,.book-panel{position:sticky;top:var(--sidebar-top,24px);align-self:start;height:auto;max-height:none;max-block-size:none;overflow:visible}
@media(max-width:760px){.side,.reading-layout .side,.book-panel{position:static;top:auto}}

/* Shared pale-green navigation panels, matching the book's quiet surface. */
.side,.reading-layout .side,.book-panel{background:var(--soft);padding:24px 16px;border:0;border-radius:3px;min-width:0}
.side .section-menu,.book-panel .section-menu{margin-bottom:22px;padding-bottom:18px}
.side .section-menu .toc-title,.book-panel .section-menu .toc-title{margin:0 12px 12px}
.side .toc .toc-title{margin:0 12px 14px}
.side a,.reading-layout .side .section-menu a,.book-panel .section-menu a{padding:10px 12px;border-left:2px solid transparent;transition:background .18s,color .18s,border-color .18s}
.side a:hover,.book-panel .section-menu a:hover{background:#e8e1d5;color:var(--green)}
.side a.active,.side a.selected,.side a[aria-current="page"],.side .section-menu a.selected,.side .section-menu a[aria-current="page"],.side .toc a.is-current,.book-panel .section-menu a.selected,.book-panel .section-menu a[aria-current="page"]{background:#e3dbcc;border-left-color:var(--accent);color:var(--green);padding-left:12px}
.side .back-top{margin-top:16px}
@media(max-width:760px){
 .side,.reading-layout .side,.book-panel{padding:18px 12px}
 .side{display:block}
 .side .section-menu,.side .compact-toc{width:100%}
 .side .section-menu,.book-panel .section-menu{gap:6px 10px;margin-bottom:16px;padding-bottom:14px}
 .side .section-menu .toc-title,.book-panel .section-menu .toc-title{margin:0 10px 8px}
 .side a,.reading-layout .side .section-menu a,.book-panel .section-menu a{padding:8px 10px}
 .side a.active,.side a.selected,.side a[aria-current="page"],.side .toc a.is-current,.book-panel .section-menu a.selected{padding-left:10px}
 .side .compact-toc summary{padding:8px 10px;cursor:pointer;color:var(--green)}
}
.side .toc,.side .section-menu,.side .collection-navigation,.side .compact-toc{max-height:none;max-block-size:none;overflow:visible}
.filters .filter.active{background:#243746;border-color:#243746;color:#fffdf8}.filters .filter:focus-visible{outline:2px solid #955747;outline-offset:3px}
.other-chapters summary{font:13px/1.5 var(--sans);cursor:pointer;padding:10px 12px;color:var(--muted)}.other-chapters a{font-size:12px}.other-chapters[open]{padding-bottom:10px}
.related-category{margin:30px 0 38px}.related-category>h3,.original-documents>h3{font:27px/1.4 var(--serif);margin:0 0 20px;color:var(--ink)}
.related-category .resource{padding:20px;margin:12px 0;background:#eee9df;border:0}.related-category .resource h4{font:24px/1.4 var(--serif);margin:8px 0 10px}.related-category .resource p{font:15px/1.65 var(--sans);margin:8px 0 0;color:var(--muted)}
.original-documents>p{padding:19px 22px;background:#eee9df;border-left:2px solid var(--line);margin:12px 0!important}.original-documents>p a{color:var(--ink);border-color:#c4b8a7}.original-documents .archive-figure{margin:28px 0}
.anniversary-related{padding:24px;background:#eee9df;margin:12px 0}.anniversary-related h4{font:24px/1.4 var(--serif);margin:0 0 16px}.anniversary-related p{font:16px/1.65 var(--sans)}
.collection-routes{display:flex;flex-wrap:wrap;gap:14px 28px;padding:22px 0;border-top:1px solid var(--line);margin:20px 0;font:14px/1.6 var(--sans)}
.additional-interviews{margin-top:35px}
.source-support{margin:40px 0;padding:28px;border:1px solid var(--line);border-radius:3px}.source-support-quotation{background:#f2eee6}.source-support h2{font-size:29px;margin-top:0}.source-support>p:last-child{margin-bottom:0}.side .toc a.toc-category{padding-left:24px;font-size:12px}.source-support blockquote{padding-left:18px}
.unified-related{margin:40px 0 30px;border-top:1px solid var(--line);padding-top:25px}
.unified-related>h2{margin:0 0 22px;font-size:30px}
.unified-related>.resource{padding:18px 20px;margin:10px 0;border:0;background:#eee9df;border-radius:3px}
.unified-related>.resource strong{font:23px/1.4 var(--serif);font-weight:400}
.unified-related>.related-connection{display:grid;grid-template-columns:minmax(0,1fr) 20px;gap:6px 16px;font-family:var(--sans)}
.related-connection strong{grid-column:1;font:23px/1.4 var(--serif);font-weight:400}
.related-connection span{grid-column:1;grid-row:2;font:15px/1.6 var(--sans);color:var(--muted)}
.related-connection b{grid-column:2;grid-row:1 / 3;align-self:center;font-weight:400;color:var(--accent)}
.context-links>a{padding:16px 18px;gap:6px 20px;border-radius:3px}
.resource{padding-left:18px;padding-right:18px;border-radius:3px}
.reading-layout .side .section-menu a{padding:10px 12px}
.event-links a,.reading-next a{padding:12px 16px;border-radius:3px}
.image-credit:empty{display:none}
.document-page{max-width:1140px}.document-heading{padding:10px 0 30px}.document-heading h1{max-width:1050px}.document-heading .document-byline{font:16px/1.65 var(--sans);color:#586a78;margin:18px 0}.document-heading .intro{font-size:20px;line-height:1.6;max-width:850px}
.document-reader{border:1px solid #e3dbcc;background:#f2eee6;border-radius:4px;overflow:hidden;margin:30px 0 40px;scroll-margin-top:25px}.document-reader-top{padding:22px 26px}.document-reader-top h2,.source-body .document-reader-top h2{font:27px/1.35 var(--serif);margin:0 0 14px}.document-reader .edition-note{font:14px/1.6 var(--sans);margin:10px 0 0;color:#586a78}.pdf-frame{display:block;width:100%;height:78vh;min-height:650px;max-height:1000px;border:0;background:#586a78}.edition-choice{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font:14px var(--sans);color:#556775}.edition-choice select{font:15px var(--sans);max-width:100%;padding:9px 12px;border:1px solid #c4b8a7;background:#fffdf8;color:#243746;border-radius:3px}.edition-anchor{display:block;scroll-margin-top:25px}.document-downloads{padding:16px 26px;border-top:1px solid #d1c7b8;font:14px/1.6 var(--sans)}.document-downloads summary{cursor:pointer}.document-downloads p{font:14px/1.6 var(--sans);margin:16px 0}.document-downloads ul{padding-left:20px}.document-downloads a{border-bottom:1px solid #c4b8a7}.document-connections{margin:30px 0 40px;font-family:var(--sans);border-top:1px solid var(--line);padding-top:24px}.document-connections h2{font:28px var(--serif);margin:0 0 14px}.document-connections a{display:block;padding:12px 16px;border-bottom:1px solid var(--line);border-radius:3px}.document-connections a:hover{background:#eee9df}
@media(max-width:760px){.document-heading .intro{font-size:18px}.document-reader-top{padding:18px}.pdf-frame{height:65vh;min-height:440px}.document-downloads{padding:16px 18px}.edition-choice{gap:8px}.edition-choice select{width:100%}}
.photo-heading.contained-banner .section-photo{inset:auto 0 auto auto;top:50%;transform:translateY(-50%);width:min(46%,var(--banner-width));height:100%;max-height:var(--banner-height);object-position:center;object-fit:cover;mask-image:linear-gradient(90deg,transparent,#000 25%)}
.photo-heading.contained-banner::before{background:linear-gradient(90deg,#162936 35%,#162936ee 49%,#16293633 77%),linear-gradient(0deg,#16293688,transparent 50%)}
.photo-heading.small-original-banner::before{background:linear-gradient(90deg,#162936 35%,#162936ee 49%,#16293633 77%),linear-gradient(0deg,#162936 12%,transparent 28%,transparent 72%,#162936 88%)}
@media(max-width:760px){.photo-heading.contained-banner .section-photo{width:min(100%,var(--banner-width));mask-image:none}.photo-heading.contained-banner::before{background:linear-gradient(90deg,#162936e8,#162936a8),linear-gradient(0deg,#16293688,transparent 50%)}}
@media(max-width:760px){.photo-heading.small-original-banner::before{background:linear-gradient(90deg,#162936e8,#162936a8),linear-gradient(0deg,#162936 22%,transparent 40%,transparent 60%,#162936 78%)}}
.chapters{row-gap:36px}
.interview-grid>.chapter{display:flex;flex-direction:column;align-items:stretch}
.interview-grid>.chapter .label{margin-top:auto;padding-top:20px}
.interview-grid>.chapter .document-byline{font-size:13px;line-height:1.6;margin-top:0}
.about-introduction{max-width:880px;margin-top:26px;color:var(--ink);font:20px/1.65 var(--serif)}
.about-introduction p{margin:0 0 18px;color:var(--ink)}.about-introduction p:last-child{margin-bottom:0}
.about-introduction a{color:var(--green);text-decoration:underline;text-underline-offset:4px}
@media(max-width:760px){.about-introduction{font-size:18px}}
.document-invitation{font-family:var(--sans);font-size:15px!important;line-height:1.65!important;margin:16px 0 28px!important}
.source-body a.document-text-link{display:inline;padding:0;background:none;border:0;border-bottom:1px solid #c4b8a7;border-radius:0;box-shadow:none;font:inherit;text-transform:none;letter-spacing:normal}
.source-body a.document-text-link:hover{color:var(--accent);border-bottom-color:var(--accent)}
.timeline-hero{min-height:270px;margin-bottom:30px!important;padding-bottom:75px!important}
.timeline-hero-range{font:18px/1.6 var(--sans);color:#f2eee6;max-width:650px;margin:0}
.timeline-controls{position:sticky;top:0;z-index:10;background:#f6f3ecf7;backdrop-filter:blur(14px);border:1px solid #dcd5c9;border-radius:4px;margin-bottom:45px;padding:18px 24px 0;box-shadow:0 8px 25px #16293610;font:14px var(--sans)}
.decade-links{display:flex;align-items:center;flex-wrap:wrap;gap:8px}
.timeline-range{font:22px var(--serif);margin-right:auto;color:#243746;white-space:nowrap}
.decade-links a{padding:9px 13px;border-radius:3px;color:#586a78;transition:background .2s,color .2s}
.decade-links a:hover,.decade-links a[aria-current]{background:#243746;color:#fffdf8}
.year-control{display:flex;align-items:center;gap:12px;padding:14px 0 16px;border-top:1px solid #dcd5c9;margin-top:12px}
.year-control button{width:36px;height:36px;border:1px solid #d1c7b8;border-radius:50%;color:#243746;background:transparent;cursor:pointer;font-size:18px}
.year-control button:hover{background:#e8e1d5}.year-control button:disabled{opacity:.35;cursor:default}
.year-control label{font-size:12px;color:#586a78}.year-control select{font:16px var(--sans);color:#243746;background:transparent;border:0;border-bottom:1px solid #c4b8a7;padding:6px 26px 6px 4px;max-width:180px}
#year-position{margin-left:auto;font-size:12px;color:#586a78;font-variant-numeric:tabular-nums}

.chronology-layout{max-width:1040px;margin:0 auto}.source-body.chronology{max-width:none}
.timeline-year{display:grid;grid-template-columns:165px minmax(0,1fr);gap:35px;position:relative;padding:0 0 42px 30px;margin:0;border-left:1px solid #d1c7b8}
.timeline-year::before{content:'';position:absolute;left:-6px;top:17px;width:11px;height:11px;background:var(--ink);border-radius:50%;box-shadow:0 0 0 7px var(--paper);transition:background .2s}
.timeline-source .timeline-year h2{border:0;padding:0;margin:0;font-size:34px;line-height:1.3;scroll-margin-top:165px;color:var(--ink);transition:color .2s}
.timeline-year.is-current h2{color:var(--accent)}.timeline-year.is-current::before{background:var(--accent)}
.timeline-source .timeline-year h2:target{background:transparent}
.year-events{padding:24px 30px 6px;background:#f2eee6;border:1px solid #dcd5c9;border-radius:4px;min-width:0}
.year-events>p{padding-bottom:20px;border-bottom:1px solid #dcd5c9;margin-bottom:20px}.year-events>p:last-child{border-bottom:0;padding-bottom:0}.year-events strong{color:#243746;font-family:var(--sans);font-size:14px}
.year-events .event-links{margin:8px 0 18px}.timeline-controls :focus-visible{outline:2px solid #955747;outline-offset:4px}
@media(max-width:760px){.timeline-hero{min-height:270px;padding:32px 25px 80px!important}.timeline-hero-range{font-size:16px}.timeline-controls{padding:12px 14px 0;margin-bottom:30px}.timeline-range{width:100%;font-size:20px;margin-bottom:3px}.decade-links{gap:3px}.decade-links a{padding:7px 9px;font-size:12px}.year-control{gap:8px;margin-top:8px;padding:10px 0}.year-control label{display:none}#year-position{font-size:11px}.timeline-year{grid-template-columns:1fr;gap:15px;padding-left:20px;padding-bottom:28px}.timeline-source .timeline-year h2{font-size:29px;scroll-margin-top:180px}.year-events{padding:20px 20px 2px}.context-links>a{padding:14px 16px}}


/* Reading structure repairs retain established visual proportions. */
.source-title-anchor{display:none}
.source-body .source-author{font-family:var(--sans);font-size:16px;line-height:1.5;font-weight:600;color:var(--ink);margin:26px 0 18px}
.source-body .document-description{font-size:18px;line-height:1.75;font-weight:400}
.resource h2{font-size:25px;line-height:1.25;letter-spacing:-.02em;margin:0 0 8px;transition:color .2s;font-weight:500}
.resource:hover h2{color:var(--accent)}
.chapter h2{font-size:29px;line-height:1.18;margin-bottom:12px}
@media(max-width:760px){.resource h2{font-size:24px}}
.reading-layout .side .collection-navigation{display:block;margin:24px 0;padding:16px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.collection-navigation summary{cursor:pointer;font-family:'Source Sans 3',sans-serif;font-size:13px;line-height:1.5;padding:0 12px 10px;color:var(--ink)}
.collection-navigation a{display:block;padding:9px 12px;border-radius:3px;font-size:13px;line-height:1.5}
.collection-navigation a[aria-current=page]{background:#eee9df;color:var(--accent);box-shadow:inset 2px 0 var(--accent)}
.collection-navigation a:hover{background:#eee9df}
.sequence-navigation{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin:48px 0 24px;padding-top:24px;border-top:1px solid var(--line)}
.sequence-navigation a{display:block;padding:18px;background:#eee9df;border-radius:3px}
.sequence-navigation small{display:block;font-family:'Source Sans 3',sans-serif;margin-bottom:8px;color:var(--muted)}
.sequence-navigation strong{font-size:22px;font-weight:400;line-height:1.4}
.sequence-navigation a:hover{background:#e3dbcc}
.navigation-related{margin-top:48px;padding-top:28px;border-top:1px solid var(--line)}
.navigation-related h2{font-size:30px;margin:0 0 20px}
.navigation-related .resource{padding:18px 20px;margin:12px 0;background:#eee9df;border-radius:3px}
.navigation-related .resource strong{font-size:23px;font-weight:400}
.navigation-related .resource p{font-size:15px;margin:8px 0 0;color:var(--muted)}
@media(max-width:760px){.sequence-navigation{grid-template-columns:1fr}.reading-layout .side .collection-navigation{margin:12px 0}}

.format-links{grid-template-columns:repeat(5,minmax(0,1fr))}@media(max-width:760px){.format-links{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:430px){.format-links{grid-template-columns:1fr}}

/* Shared catalogue cards: Library, search, and contextual selections. */
.collection-card.uniform-card,.related-category .collection-card.uniform-card{display:grid;grid-template-columns:minmax(0,1fr) 20px;gap:20px;align-items:center;padding:24px;background:#fffdf8;border:1px solid var(--line);border-radius:3px;color:var(--ink);text-decoration:none}
.collection-card.uniform-card:hover{background:#eee9df;border-color:#c4b8a7;color:var(--ink)}
.collection-card.uniform-card:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.collection-card.uniform-card h2,.collection-card.uniform-card h3,.collection-card.uniform-card h4{font:24px/1.35 var(--serif);font-weight:400;letter-spacing:-.3px;margin:8px 0 12px;color:var(--ink)}
.collection-card.uniform-card .card-title{display:block;font:24px/1.3 var(--serif);font-weight:400;letter-spacing:-.3px;margin:0 0 12px;color:var(--ink)}
.collection-card.uniform-card .record-meta{font:10px/1.5 var(--sans);letter-spacing:1px;text-transform:uppercase;color:var(--accent);margin:0 0 8px}
.collection-card.uniform-card p{font:15px/1.65 var(--sans);color:var(--muted);margin:10px 0 0}
.collection-card.uniform-card .document-byline{font-size:14px;color:#556775}
.collection-card.uniform-card>span{color:var(--accent);font:18px var(--sans)}
.related-category .uniform-card{margin:14px 0}
.browse-results{row-gap:24px}.record-card .uniform-card{height:100%}.search-results .record-card{margin:16px 0}
@media(max-width:760px){.collection-card.uniform-card,.related-category .collection-card.uniform-card{padding:20px;gap:14px}.collection-card.uniform-card h2,.collection-card.uniform-card h3,.collection-card.uniform-card h4,.collection-card.uniform-card .card-title{font-size:22px}}

/* Embedded editions share the typography and quiet surfaces of the collection. */
.document-reader{border:1px solid var(--line);border-radius:8px;background:#fffdf8;box-shadow:0 8px 28px #24374608}.document-reader-top{padding:20px 24px;border-bottom:1px solid var(--line)}.document-reader .edition-note{font-size:13px;color:var(--muted)}.edition-choice{font-size:13px;gap:14px}.edition-choice select{padding:9px 12px;border-color:var(--line);border-radius:5px;background:#fffdf8;font-size:14px}.pdf-frame{background:#eee9df}@media(max-width:760px){.document-reader-top{padding:16px 18px}}


.lightbox .caption.hero-image-caption{display:flex;flex-direction:column;align-items:flex-start;gap:10px}.lightbox .caption a{color:var(--green);text-decoration:underline;text-underline-offset:3px}.lightbox .caption a:hover{color:var(--accent)}

/* A photograph-sized frame, with legible captions and quiet gallery controls. */
.lightbox{width:max-content;max-width:min(1000px,calc(100vw - 32px));max-height:calc(100dvh - 32px);padding:22px 24px 24px;border:1px solid #d1c7b8;border-radius:10px;background:#fffdf8;box-shadow:0 24px 90px #051d2a66;overflow:auto}
.lightbox .dialog-top{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:0 0 16px}
.lightbox .dialog-top .eyebrow{font:11px/1.3 var(--sans);letter-spacing:1.4px;color:#586a78}
.lightbox .close{display:grid;place-items:center;width:34px;height:34px;padding:0;border:1px solid var(--line);border-radius:50%;font:26px/1 var(--sans);color:var(--ink);background:#f2eee6}
.lightbox .close:hover{background:#e8e1d5;color:var(--ink)}
.lightbox #enlarged-image{display:block;max-width:100%;max-height:none;margin:0 auto;object-fit:contain;border-radius:3px}
.lightbox .caption{font:16px/1.6 var(--sans);color:var(--ink);margin:18px 0 0;overflow-wrap:break-word;text-align:left}
.lightbox .caption p{font:inherit;color:inherit;margin:0 0 10px}.lightbox .caption p:last-child{margin-bottom:0}
.lightbox .photo-controls{margin-top:20px;padding-top:16px;border-top:1px solid var(--line);gap:14px;font:14px/1.4 var(--sans)}
.lightbox .photo-controls button{border:1px solid var(--line);border-radius:5px;background:#f2eee6;padding:10px 14px;transition:background .18s}
.lightbox .photo-controls button:hover:not(:disabled){background:#e8e1d5;color:var(--ink)}
.lightbox .photo-position{white-space:nowrap;color:#586a78}
@media(max-width:600px){.lightbox{padding:16px}.lightbox .caption{font-size:15px;margin-top:16px}.lightbox .dialog-top{margin-bottom:12px}.lightbox .photo-controls{gap:8px}.lightbox .photo-controls button{padding:9px 10px}}


/* Reading-text measures must not narrow collection cards inside related groups. */
.related-category .source-body{max-width:none;width:100%}.related-category .uniform-card{width:100%;max-width:none}

/* Related works form one list; their own labels identify each material type. */
.unified-related.related-card-list{display:block;width:100%;max-width:none}
.unified-related.related-card-list>.uniform-card{width:100%;max-width:none;margin:14px 0;padding:24px;border:1px solid var(--line);border-radius:3px;background:#fffdf8}
.unified-related.related-card-list>.uniform-card h3{font:24px/1.3 var(--serif);margin:0 0 12px;color:var(--ink)}
.unified-related.related-card-list>.uniform-card:hover{background:#eef1e7;border-color:#c4b8a7;color:var(--ink)}
@media(max-width:760px){.unified-related.related-card-list>.uniform-card{padding:20px}.unified-related.related-card-list>.uniform-card h3{font-size:22px}}


/* Collection destinations precede the separate cross-collection search. */
.library-entry-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:0 0 48px}.library-entry{display:grid;grid-template-columns:minmax(0,1fr) 20px;align-items:center;gap:16px;padding:22px 24px;background:#eee9df;border:1px solid var(--line);border-radius:4px;color:var(--ink);transition:background .2s,border-color .2s}.library-entry h2{font:26px/1.25 var(--serif);margin:0 0 9px}.library-entry p{font:14px/1.6 var(--sans);color:var(--muted);margin:0}.library-entry>span{color:var(--accent);font-size:19px}.library-entry:hover{background:#e8e1d5;border-color:#c4b8a7;color:var(--ink)}.library-entry:focus-visible{outline:2px solid var(--accent);outline-offset:4px}.library-search{border-top:1px solid var(--line);padding-top:30px}.library-search>h2{font:32px/1.25 var(--serif);margin:0 0 24px}.library-search .archive-tools{margin-top:0}@media(max-width:1000px){.library-entry-points{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:600px){.library-entry-points{grid-template-columns:1fr;gap:12px;margin-bottom:32px}.library-entry{padding:18px 20px}.library-entry h2{font-size:24px}.library-search>h2{font-size:28px}}


@media (min-width: 1001px) {
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.collection-routes .background-card{width:100%;flex-basis:100%;margin:18px 0}


.photo-section .gallery-index:has(>.gallery-card:only-child){grid-template-columns:1fr}.photo-section .gallery-index>.gallery-card:only-child{display:grid;grid-template-columns:minmax(240px,.85fr) minmax(0,1.15fr)}.photo-section .gallery-index>.gallery-card:only-child>img{height:100%;min-height:240px;max-height:320px;object-fit:cover}.photo-section .gallery-index:has(>.gallery-card:nth-child(2):last-child){grid-template-columns:repeat(2,minmax(0,1fr))}@media(max-width:760px){.photo-section .gallery-index>.gallery-card:only-child{display:flex;flex-direction:column}.photo-section .gallery-index>.gallery-card:only-child>img{height:210px;min-height:0}.photo-section .gallery-index:has(>.gallery-card:nth-child(2):last-child){grid-template-columns:1fr}}


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/* Historical introductions remain visible; event context accompanies its group. */
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/* Gallery interiors: readable sections and a pinned contents column. */
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/* Trial interface palette: ink blue, warm ivory, muted brick. */
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/* About: a quiet editorial page with one continuous reading column. */
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.about-page .article-title{font-size:clamp(42px,5vw,64px);letter-spacing:-1.8px;margin-bottom:30px}
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.about-page #collection-editorial-background{border-top:1px solid var(--line);padding-top:34px;margin-top:40px}
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/* Give every page a quiet ending before the compact footer. */
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.chapter-continuation a{display:flex;flex-direction:column;gap:6px;padding:10px 12px;max-width:48%}
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.films-reading{display:block;max-width:880px;margin-left:0;margin-right:0}
.films-reading>article,.films-reading .source-body{max-width:none;width:100%}
.library-search .archive-tools{display:grid;grid-template-columns:minmax(220px,390px) 255px minmax(0,1fr);gap:24px;align-items:center}
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.library-search .topic-select select{width:100%;min-width:0}
.library-search .result-count{justify-self:end;text-align:right;min-width:0}
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.scanned-newspaper{position:relative;aspect-ratio:4/3;width:100%;overflow:hidden;background:var(--soft);margin:32px 0}
.scanned-newspaper img{position:absolute;left:50%;top:50%;width:75%;height:auto;max-width:none;transform:translate(-50%,-50%) rotate(-90deg)}
.hero-photo figcaption{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:14px;margin:0;padding:12px 16px;font:12px/1.5 var(--sans)}
.hero-photo figcaption a{font:12px/1.5 var(--sans);white-space:nowrap;justify-self:end}
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.directory-page main>.wrap{max-width:1000px}
.directory-reading{display:block}
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.people-source .biography strong{display:inline;font:inherit;font-weight:600;color:var(--ink);margin:0}
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.about-page .about-history{border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:38px}
.about-page .about-history .archive-figure{width:100%;margin:30px 0}
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main{display:flow-root;padding-bottom:64px}
main>.wrap>:last-child{margin-bottom:0}
.footer{margin-top:0;padding:22px 0;background:#f2eee6}
.footer .footer-row{align-items:center;gap:24px}
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/* Web editions of the Stanley Center personal accounts. */
.personal-account .source-body a[id^="_ftnref"] {font-family:var(--sans);font-size:.7em;vertical-align:super;line-height:0;margin-inline:.12em}
.personal-account .account-source {margin-top:2.5rem;padding-top:1.3rem;border-top:1px solid var(--line)}
.personal-account .account-source p,.personal-account .account-author-note {font-size:1rem;line-height:1.65;color:var(--muted)}
.personal-account .side .toc a {padding-block:6px}

/* Reviewed author and contributor credits on reading pages. */
.work-byline{margin:20px 0 0;max-width:850px}
.work-byline .byline-credit{margin:0;font:400 16px/1.55 var(--sans);color:var(--ink);letter-spacing:0;text-transform:none}
.work-byline .byline-details{margin:5px 0 0;font:400 14px/1.6 var(--sans);color:var(--muted);letter-spacing:0;text-transform:none}
.source-body .interview-meta{font:400 14px/1.65 var(--sans);color:var(--muted);margin:0 0 24px}
.source-body .interview-meta em,.source-body .interview-meta strong{font:inherit;color:inherit}
@media(max-width:760px){.work-byline{margin-top:16px}.work-byline .byline-credit{font-size:15px}}

/* Context around the two independent accounts of wider scientific exchanges. */
.source-body .historical-context{margin:0 0 32px;padding:20px 24px;background:var(--soft);border-left:2px solid var(--accent);border-radius:0 3px 3px 0}
.source-body .historical-context p{margin:0;font:400 16px/1.7 var(--serif);color:var(--ink)}
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.source-body .collection-intro{margin:0 0 24px;font-size:19px;line-height:1.7}
.source-body .author-profile{margin-top:52px;padding-top:24px;border-top:1px solid var(--line)}
.source-body .author-profile>h2{margin-top:0}
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@media(max-width:760px){.source-body .historical-context{padding:18px 20px}.source-body .author-profile{margin-top:36px}}

/* A suggested path through the five principal sections of the site. */
.home-sequence .home-chapter{position:relative;isolation:isolate;margin:0;padding:72px 0 66px;border-top:1px solid var(--line)}
.home-sequence .home-chapter>.home-step{position:absolute;top:12px;left:-27px;font:italic 400 clamp(160px,19vw,245px)/1 var(--serif);color:var(--ink);opacity:.065;pointer-events:none;z-index:-1;user-select:none}
.home-sequence .home-chapter h2{font:400 clamp(38px,4.1vw,53px)/1.15 var(--serif);letter-spacing:-1.2px;margin:0 0 22px}
.home-sequence .home-chapter .eyebrow{margin-bottom:15px}
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.home-sequence .home-chapter .section-head h2{margin-bottom:0}
.home-sequence .home-section-intro{font:400 20px/1.65 var(--serif);max-width:700px;margin:0 0 18px}
.home-sequence .home-about{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:70px;align-items:center}
.home-sequence .about-introduction>p:not(.home-section-intro){font:16px/1.7 var(--sans);color:var(--muted);margin:0 0 24px;max-width:560px}
.home-sequence .home-companion{margin:0;padding:26px;display:grid;grid-template-columns:90px minmax(0,1fr);gap:18px 24px;border-top:1px solid var(--line);box-shadow:none;align-items:start}
.home-sequence .home-companion .book-cover{width:90px;grid-row:1/3;margin:0}
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.home-sequence .home-companion .eyebrow{font-size:9px;letter-spacing:1.7px;margin-bottom:12px!important}
.home-sequence .home-companion>.btn{grid-column:2;justify-self:start;padding:0 0 6px;border:0;border-bottom:1px solid var(--line);background:none;font:13px var(--sans)}
.home-sequence .home-people .feature-grid{gap:60px;align-items:center}
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.home-sequence .home-people .feature-grid>div:last-child{grid-column:1;grid-row:1;padding:0}
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.home-sequence .home-archive{margin:10px 0 0;padding:54px 50px;display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:50px;align-items:center;background:var(--photo-ink);border:0;border-radius:4px;color:var(--paper);overflow:hidden}
.home-sequence .home-archive>.home-step{left:22px;top:-20px;color:#fff;opacity:.07;font-size:270px}
.home-sequence .home-archive h2{color:var(--paper);margin-bottom:0}
.home-sequence .home-archive .eyebrow{color:#d8c7ba}
.home-sequence .home-archive p{color:#e8e4dc}
.home-sequence .home-archive p:not(.home-section-intro){font:16px/1.7 var(--sans);margin:0 0 24px}
.home-sequence .home-archive .text-link{color:var(--paper);border-color:#ffffff50}
@media(min-width:1500px){.home-sequence .home-chapter>.home-step{left:-42px}}
@media(max-width:1000px){.home-sequence .home-about{gap:32px}.home-sequence .home-companion{grid-template-columns:70px minmax(0,1fr);padding:22px;gap:16px}.home-sequence .home-companion .book-cover,.home-sequence .home-companion .book-cover img{width:70px}.home-sequence .home-people .feature-grid{gap:32px}.home-sequence .home-archive{padding:40px 32px;gap:32px}}
@media(max-width:760px){.home-sequence .home-chapter{padding:48px 0 42px}.home-sequence .home-chapter>.home-step{top:8px;left:-10px;font-size:150px;opacity:.065}.home-sequence .home-about{grid-template-columns:1fr;gap:30px}.home-sequence .home-section-intro{font-size:18px}.home-sequence .home-companion{grid-template-columns:80px minmax(0,1fr);padding:22px;gap:16px 22px}.home-sequence .home-companion .book-cover,.home-sequence .home-companion .book-cover img{width:80px}.home-sequence .home-companion>.btn{grid-column:2;justify-self:start}.home-sequence .home-people .feature-grid{display:flex;flex-direction:column-reverse;gap:26px}.home-sequence .home-chapter h2{font-size:38px}.home-sequence .home-archive{display:block;padding:38px 26px;margin-top:10px}.home-sequence .home-archive>.home-step{left:5px;top:-6px;font-size:200px}.home-sequence .home-archive h2{margin-bottom:24px}.home-sequence .home-archive .text-link{margin-bottom:0}}

/* Full-width blue bands for steps 1 and 4, with aligned inner content. */
.home-sequence .home-about,.home-sequence .home-people{background:var(--photo-ink);color:var(--paper);border-top:0;box-shadow:0 0 0 100vmax var(--photo-ink);clip-path:inset(0 -100vmax)}
.home-sequence .home-about>.home-step,.home-sequence .home-people>.home-step{color:#fff;opacity:.085}
.home-sequence .home-about h2,.home-sequence .home-people h2{color:var(--paper)}
.home-sequence .home-about .about-introduction>p,.home-sequence .home-people .feature-grid p{color:#e8e4dc}
.home-sequence .home-about .about-introduction>.eyebrow,.home-sequence .home-people .eyebrow{color:#d8c7ba}
.home-sequence .home-about .about-introduction>.text-link,.home-sequence .home-people .text-link{color:var(--paper);border-color:#ffffff50}
.home-sequence .home-about .home-companion{color:var(--ink);border-color:#ffffff30}
.home-sequence .home-about .home-companion h3{color:var(--ink)}
.home-sequence .home-people .feature-grid img{box-shadow:0 10px 30px #0000001c}

/* Step 5 returns to the same ivory treatment as Timeline and Cooperation. */
.home-sequence .home-archive{display:block;margin:0;padding:72px 0 66px;background:transparent;border-top:1px solid var(--line);border-radius:0;color:var(--ink);overflow:visible}
.home-sequence .home-archive>.home-step{left:-27px;top:12px;font-size:clamp(160px,19vw,245px);color:var(--ink);opacity:.065}
.home-sequence .home-archive h2{color:var(--ink)}
.home-sequence .home-archive .eyebrow{color:var(--accent)}
.home-sequence .home-archive p{color:var(--muted);max-width:740px}
.home-sequence .home-archive .text-link{color:var(--ink);border-color:var(--line)}
@media(min-width:1500px){.home-sequence .home-archive>.home-step{left:-42px}}
@media(max-width:760px){.home-sequence .home-archive{padding:48px 0 42px}.home-sequence .home-archive>.home-step{top:8px;left:-10px;font-size:150px}.home-sequence .home-archive .section-head h2{margin-bottom:0}}

/* Navigation links use one border underline, without a second text underline. */
.home-sequence a.text-link{font:400 14px/1.6 var(--sans)}
.home-sequence .home-chapter a.text-link:is(:hover,:focus-visible){color:var(--accent);border-bottom-color:var(--accent)}
.home-sequence a.text-link,.home-sequence a.text-link:hover,.home-sequence a.text-link:focus{text-decoration:none}

/* Angled, fully clickable book and navigation bands within About. */
.home-sequence .home-about{grid-template-columns:minmax(0,.76fr) minmax(0,1.24fr);gap:40px}
.about-destinations{display:flex;align-self:stretch;min-height:480px;margin-top:-72px;margin-bottom:-66px;isolation:isolate}
@media(min-width:901px){.about-destinations{position:relative;left:clamp(40px,calc((100vw - 1280px)/2 - 16px),80px)}}
@media(min-width:901px) and (max-width:1200px){.about-destinations{left:24px}}
.about-ribbon{flex:0 0 60.976%;position:relative;display:flex;align-items:center;justify-content:center;clip-path:polygon(36% 0,100% 0,64% 100%,0 100%);background:#25495f;color:var(--paper);text-decoration:none;transition:background .35s ease,filter .35s ease;min-width:0}
.about-ribbon+.about-ribbon{margin-left:-21.952%;background:#315b73}
.about-ribbon:hover,.about-ribbon:focus-visible{background:#466f87;color:#fff;text-decoration:none;z-index:2;filter:brightness(1.08)}
.about-ribbon:focus-visible{outline:0;box-shadow:none}
.about-ribbon:focus-visible .ribbon-copy h3{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:7px}
.ribbon-content{width:68%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:22px;text-align:center;padding:28px 0;min-width:0}
.ribbon-cover{position:relative;margin:0;width:90px;flex:none;box-shadow:0 8px 18px #00000025}
.ribbon-cover img{display:block;width:100%;height:auto;filter:grayscale(1) brightness(.93) contrast(.94);transition:filter .45s ease}
.ribbon-cover::after{content:'';position:absolute;inset:0;background:#53809c;mix-blend-mode:color;opacity:.6;pointer-events:none;transition:opacity .45s ease}
.book-ribbon:hover .ribbon-cover img,.book-ribbon:focus-visible .ribbon-cover img{filter:grayscale(0) brightness(1) contrast(1)}
.book-ribbon:hover .ribbon-cover::after,.book-ribbon:focus-visible .ribbon-cover::after{opacity:0}
.ribbon-kicker{display:block;margin-bottom:13px;font:10px/1.5 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:#d4e0e7}
.home-sequence .about-ribbon h3{font:400 27px/1.17 var(--serif);letter-spacing:-.3px;margin:0 0 14px;color:var(--paper)}
.home-sequence .about-ribbon p{font:14px/1.6 var(--sans);color:#dce5e9;margin:0 0 22px}
.ribbon-action{display:block;font:12px/1.5 var(--sans);color:var(--paper)}
.ribbon-action>span{display:inline-block;margin-left:6px;transition:transform .3s ease}
.about-ribbon:hover .ribbon-action>span,.about-ribbon:focus-visible .ribbon-action>span{transform:translate(2px,-2px)}
.ribbon-map{position:relative;width:126px;text-align:left;padding-left:15px;border-left:1px solid #bed0db66;display:grid;gap:8px;flex:none;margin:7px 0}
.ribbon-map span{position:relative;font:11px/1.3 var(--sans);color:#d9e5ec}
.ribbon-map span::before{content:'';position:absolute;left:-18px;top:5px;width:5px;height:5px;background:#bdcfda;border-radius:50%}
.site-map-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
.site-map-section{position:relative;padding:32px 34px;background:var(--soft);border:1px solid var(--line);border-radius:4px}
.site-map-section .map-number{display:block;font:italic 36px/1.1 var(--serif);color:var(--accent);opacity:.6;margin-bottom:15px}
.site-map-section h2{font:32px/1.2 var(--serif);margin:0 0 14px}
.site-map-section h2 a{text-decoration:none}
.site-map-section p{font:16px/1.7 var(--sans);color:var(--muted);margin:0 0 20px}
.site-map-section ul{list-style:none;padding:0;margin:0}
.site-map-section li+li{border-top:1px solid var(--line)}
.site-map-section li a{display:block;padding:11px 0;font:15px/1.5 var(--sans);text-decoration:none}
.site-map-section li a:hover{text-decoration:underline;text-underline-offset:4px}
@media(max-width:1050px){.home-sequence .home-about{gap:30px}.ribbon-content{width:65%}.home-sequence .about-ribbon h3{font-size:24px}.ribbon-map{width:105px}}
@media(max-width:900px){.home-sequence .home-about{grid-template-columns:1fr;gap:35px}.about-destinations{min-height:420px;margin:0 0 -66px}.ribbon-content{width:66%;gap:20px}.home-sequence .about-ribbon h3{font-size:28px}}
@media(max-width:760px){.about-destinations{margin-bottom:-42px}}
@media(max-width:600px){.about-destinations{display:grid;gap:12px;margin:0;min-height:0}.about-ribbon,.about-ribbon+.about-ribbon{clip-path:polygon(7% 0,100% 0,93% 100%,0 100%);margin:0;min-height:230px}.ribbon-content{display:grid;grid-template-columns:76px minmax(0,1fr);width:100%;gap:20px;text-align:left;padding:28px 34px}.ribbon-cover{width:76px}.ribbon-map{width:72px;padding-left:10px;margin-left:4px}.ribbon-map span{font-size:9px}.ribbon-map span::before{left:-13px}.home-sequence .about-ribbon h3{font-size:25px}.ribbon-kicker{font-size:9px;letter-spacing:.1em;margin-bottom:9px}.home-sequence .about-ribbon p{font-size:13px;margin-bottom:14px}.ribbon-action{font-size:11px}.site-map-grid{grid-template-columns:1fr;gap:20px}.site-map-section{padding:26px}}
@media(prefers-reduced-motion:reduce){.about-ribbon,.ribbon-cover img,.ribbon-cover::after,.ribbon-action>span{transition:none}}

/* Image-led gateways: monochrome at rest, captions revealed by interaction. */
.about-ribbon{overflow:hidden;background:var(--photo-ink)}
.about-ribbon+.about-ribbon{background:var(--photo-ink)}
.ribbon-art{position:absolute;inset:0;display:block;width:100%;height:100%;object-fit:cover;object-position:center;filter:grayscale(1) brightness(.82);transition:filter .55s ease,transform .8s ease;pointer-events:none}
.book-ribbon .ribbon-art{object-position:52% center}
.map-ribbon .ribbon-art{object-position:center;filter:grayscale(1) brightness(.94)}
.map-thumbnail{position:absolute;left:50%;top:50%;width:760px;height:760px;transform:translate(-50%,-50%);pointer-events:none}
.map-thumbnail .flow-chart{width:100%;padding:0}
.map-thumbnail .flow-stage{width:100%;margin:0}
@media(max-width:600px){.map-thumbnail{width:440px;height:440px}}
.ribbon-shade{position:absolute;inset:0;background-color:#21455d;opacity:.55;transition:background-color .45s ease,opacity .45s ease;pointer-events:none}
.about-ribbon>.ribbon-copy{position:relative;z-index:1;width:56%;text-align:center;opacity:0;transform:translateY(13px);transition:opacity .4s ease,transform .45s ease;pointer-events:none}
.home-sequence .about-ribbon h3{font-size:31px;line-height:1.15}
.home-sequence .about-ribbon p{font-size:14px;line-height:1.7}
.home-sequence .book-ribbon p{width:90%;max-width:230px;margin-inline:auto}
.ribbon-hint{position:absolute;bottom:28px;left:43%;z-index:1;width:31px;height:31px;border:1px solid #ffffff60;border-radius:50%;display:grid;place-items:center;color:#fff;font:16px var(--sans);transition:opacity .3s ease}
.about-ribbon:hover,.about-ribbon:focus-visible{background:var(--photo-ink);filter:none}
.about-ribbon:hover .ribbon-art,.about-ribbon:focus-visible .ribbon-art{transform:scale(1.035);filter:grayscale(1) brightness(.28)}
.book-ribbon:hover .ribbon-art,.book-ribbon:focus-visible .ribbon-art{filter:grayscale(0) brightness(.3)}
.about-ribbon:hover .ribbon-shade,.about-ribbon:focus-visible .ribbon-shade{opacity:1;background-color:#10171e55}
.about-ribbon:hover>.ribbon-copy,.about-ribbon:focus-visible>.ribbon-copy{opacity:1;transform:translateY(0)}
.about-ribbon:hover .ribbon-hint,.about-ribbon:focus-visible .ribbon-hint{opacity:0}
@media(max-width:600px){.about-ribbon>.ribbon-copy{width:65%}.home-sequence .about-ribbon h3{font-size:30px}.book-ribbon .ribbon-art{object-position:center 43%}}
@media(hover:none){.about-ribbon>.ribbon-copy{opacity:1;transform:none}.about-ribbon .ribbon-art{filter:grayscale(1) brightness(.32)}.about-ribbon .ribbon-hint{display:none}}
@media(prefers-reduced-motion:reduce){.ribbon-art,.ribbon-copy,.ribbon-shade,.ribbon-hint{transition:none!important;transform:none!important}}

/* Site map palette on the site's ivory background. */
.flow-map-site .flow-map-page{min-height:100svh;display:grid;place-items:center;padding:0;overflow:clip}
.flow-chart{
 --map-copper:#526f82;
 --map-text:var(--ink);
 --map-muted:var(--muted);
 --map-on-dark:#fffaf2;
 --map-copper-light:#c9dce9;
 position:relative;isolation:isolate;
 width:100%;padding:32px 8px;
 color:var(--map-text);
}
.flow-chart a{text-decoration:none;color:inherit}
.flow-chart :is(a,summary,button):focus-visible{outline:2px solid var(--map-copper,var(--accent));outline-offset:4px}
.flow-stage{position:relative;width:min(calc(100% - 24px),800px,max(440px,calc(100svh - 64px)));margin:0 12px 0 auto}
.flow-dial{position:relative;aspect-ratio:1}
.flow-root{
 display:grid;place-content:center;gap:3px;position:absolute;z-index:2;
 left:50%;top:50%;width:18%;aspect-ratio:1;transform:translate(-50%,-50%);
 text-align:center;border:1px solid #475c69;border-radius:50%;background:var(--photo-ink);
 font:600 clamp(13px,2.3vw,24px)/1.05 var(--sans);
}
.flow-chart .flow-root{color:var(--map-on-dark)}
.flow-root span{font:clamp(5px,.9vw,9px)/1.2 var(--sans);letter-spacing:.09em;text-transform:uppercase;color:var(--map-copper-light)}
.flow-root:hover{background:#365870}
.flow-forest,.flow-ring{list-style:none;margin:0;padding:0}
.flow-branch,.flow-ring>li{min-width:0;margin:0;padding:0}
.flow-branch{--family-dark:#344f63;--family-line:#526f82;--family-light:#d6e0e5}
.flow-chart details{margin:0;padding:0;border:0;background:none;box-shadow:none}
.flow-chart summary{cursor:pointer;list-style:none}
.flow-chart summary::-webkit-details-marker{display:none}
.flow-chart .flow-collection-open{padding:0;border:0;cursor:pointer;text-align:inherit}
.flow-branch-head,.flow-chart .flow-child-sector{
 position:absolute;z-index:1;top:0;left:0;width:100%;aspect-ratio:1;
 clip-path:var(--sector);container-type:inline-size;background:#344f63;
 color:var(--map-on-dark);transition:background-color .22s;
}
.flow-chart .flow-branch-head{background:color-mix(in srgb,var(--family-dark),black 13%);color:var(--map-on-dark)}
.flow-chart .flow-child-sector{background:var(--family-light);color:var(--map-text);transform-origin:var(--fork-x) var(--fork-y)}
.flow-chart .flow-branch-head:is(:hover,:focus-visible){background:var(--family-line)}
.flow-chart .flow-child-sector:is(:hover,:focus-visible){background:color-mix(in srgb,var(--family-light),var(--family-dark) 18%);color:var(--map-text);text-decoration:none}
.flow-chart .flow-section:not([open])>.flow-branch-head:not(:hover){background:var(--family-dark)}
.flow-chart :is(.flow-branch-head,.flow-child-sector):focus-visible{outline:none}
.flow-sector-label,.flow-child-label{
 position:absolute;top:var(--label-y);left:var(--label-x);transform:translate(-50%,-50%) rotate(var(--label-angle));
 text-align:center;pointer-events:none;
}
.flow-sector-label{--label-angle:0deg;display:grid;grid-template-columns:auto auto;align-items:center;justify-content:center;gap:2px 4px;width:var(--label-width)}
.flow-family-3 .flow-sector-label{left:calc(var(--label-x) - 1.25%)}
.flow-child-label{display:grid;justify-items:center;gap:2px;width:var(--label-width);font:500 clamp(10px,2cqw,16px)/1.15 var(--sans);text-wrap:balance;overflow-wrap:anywhere}
.flow-chart :is(.flow-branch-head,.flow-child-sector):focus-visible>:is(.flow-sector-label,.flow-child-label){outline:2px solid currentColor;outline-offset:3px;border-radius:3px}
.flow-order{justify-self:start;color:var(--map-on-dark);font:clamp(6px,1.1cqw,9px)/1 var(--sans);letter-spacing:.08em}
.flow-icon{justify-self:end;width:clamp(9px,2.8cqw,22px);height:auto;fill:none;stroke:var(--map-copper-light);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.flow-branch-title{grid-column:1/-1;font:600 clamp(10px,2.35cqw,22px)/1.1 var(--sans);text-wrap:balance}
.flow-family-4 .flow-branch-title{max-width:7em}
.flow-icon{transform:rotate(calc(-1 * var(--label-angle)))}
.flow-expansion-edge{position:absolute;inset:0;background:var(--photo-ink);pointer-events:none}
.flow-chart .flow-link:not(.flow-root):hover{color:var(--map-copper);text-decoration:underline;text-underline-offset:4px}
@media(prefers-reduced-motion:no-preference){
 .flow-ring.flow-reveal .flow-child-sector{
  animation:map-fan .32s ease-out backwards;
  animation-delay:calc(var(--sector-order)*22ms);
 }
 @keyframes map-fan{from{opacity:0;transform:scale(.82)}to{opacity:1;transform:scale(1)}}
}
@media(prefers-reduced-motion:reduce){
 .flow-branch-head,.flow-chart .flow-child-sector{transition:none}
}
.flow-map-site{overflow-x:clip}

.flow-leader{position:fixed;inset:0;width:100%;height:100%;z-index:4;pointer-events:none;transition:opacity .15s ease}
.flow-leader[hidden]{display:none}
.flow-leader path{stroke-width:1.5;stroke-linecap:butt;stroke-linejoin:miter}
.flow-collection{
 --accent:#955747;
 position:fixed;inset:auto;margin:0;max-height:none;box-sizing:border-box;z-index:5;
 padding:0;background:transparent;color:var(--ink);border:0;border-radius:0;
 box-shadow:none;overflow:visible;
}
.flow-collection-title{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.flow-collection-list{display:grid;grid-auto-flow:column;column-gap:20px;row-gap:0;width:100%;height:100%;overflow:hidden;list-style:none;margin:0;padding:0}
.flow-collection-list li{margin:0;padding:0;min-width:0;min-height:0}
.flow-collection-list a{
 display:block;width:100%;height:100%;padding:0 5px;border:0;background:transparent;
 font:500 var(--title-font,16px)/var(--title-line-height,24px) var(--sans);color:var(--ink);text-decoration:none;white-space:nowrap;
 overflow:hidden;text-overflow:ellipsis;transition:color .18s;
}
.flow-collection-list a span{display:inline;white-space:nowrap}
.flow-collection-list a:hover{color:var(--accent)}
.flow-collection :is(a,button):focus-visible{outline:2px solid var(--family-dark);outline-offset:-2px}
.flow-chart .flow-collection-open[aria-expanded="true"]{background:var(--family-dark);color:var(--map-on-dark)}
.flow-chart .flow-collection-open[aria-expanded="true"]:is(:hover,:focus-visible){background:var(--family-line);color:var(--map-on-dark)}
@media(max-width:899px){
 .flow-collection-list{column-gap:12px}
 .flow-collection{padding-top:28px}
}
@media(prefers-reduced-motion:reduce){.flow-chart,.flow-leader{transition:none}}
/* Narrow screens keep destination captions visible without requiring a hover. */
@media(max-width:600px){.about-ribbon>.ribbon-copy{opacity:1;transform:none}.about-ribbon .ribbon-art{filter:grayscale(1) brightness(.3)}.about-ribbon .ribbon-hint{display:none}}

/* The homepage dissolves into the map, then returns to its saved scroll position. */
html:has(.map-ribbon){scrollbar-gutter:stable;background:var(--paper);transition:background-color .22s ease-out}
html:has(body.map-overlay-active){background:var(--photo-ink);transition-duration:.36s}
body:has(.map-ribbon)>:is(header,main,footer){transition:filter .3s ease,opacity .3s ease}
body.map-overlay-active{overflow:hidden}
body.map-overlay-active>:is(header,main,footer){filter:blur(10px);opacity:.5}
.map-overlay{
 position:fixed;inset:0;width:100%;height:100svh;max-width:none;max-height:none;
 margin:0;padding:0;border:0;border-radius:0;background:transparent;color:var(--ink);
 overflow:auto;
}
.map-overlay::backdrop{background:#f6f3ec40;backdrop-filter:blur(6px)}
@media(prefers-reduced-motion:reduce){
 html:has(.map-ribbon),body:has(.map-ribbon)>:is(header,main,footer){transition:none}
}
/* publication-readiness:start */
/* Online Exclusive: section sidebar */
.side .oe-menu a.oe-parent{color:var(--green);font-weight:600}
.side .oe-subnav{display:grid;gap:2px;margin:2px 0 8px 12px;padding-left:10px;border-left:1px solid var(--line)}
.side .oe-subnav a{font-size:13px;line-height:1.45;padding:6px 10px;color:var(--muted)}
.side .oe-subnav a:hover{color:var(--green)}
/* Online Exclusive: overview */
.oe-banner{margin-bottom:40px}
.oe-lede{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(260px,1fr);gap:40px;align-items:start;margin:0 0 36px}
.oe-lede>p{margin:0;font:400 18px/1.75 var(--serif);color:var(--ink)}
.oe-cite{padding:18px 20px;background:var(--soft);border-left:2px solid var(--accent);border-radius:0 3px 3px 0}
.oe-cite p{margin:0;font:14px/1.65 var(--sans);color:var(--muted)}
.oe-cite .context-label{margin:0 0 8px;font:400 10px/1.5 var(--sans);text-transform:uppercase;letter-spacing:.14em;color:var(--accent)}
.oe-jump{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:16px 0;margin:0 0 12px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.oe-jump a{padding:8px 14px;border:1px solid var(--line);border-radius:3px;background:#eee9df;font:14px/1.2 var(--sans);color:var(--ink);text-decoration:none}
.oe-jump a:hover{background:#e3dbcc}
.oe-jump span{margin-left:auto;font:13px/1.4 var(--sans);color:var(--muted)}
.oe-group{padding:36px 0 8px;scroll-margin-top:90px}
.oe-group-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 24px;margin:0 0 20px}
.oe-group-head h2{margin:0;font:400 30px/1.25 var(--serif);color:var(--ink)}
.oe-group-head p{margin:0;font:15px/1.6 var(--sans);color:var(--muted)}
.oe-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.oe-grid.oe-grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.oe-grid>.uniform-card{height:100%;align-items:start}
.oe-grid>.uniform-card>span{align-self:center}
.oe-entry{display:flex;flex-direction:column;padding:24px;background:#fffdf8;border:1px solid var(--line);border-radius:3px}
.oe-entry .record-meta{font:10px/1.5 var(--sans);letter-spacing:1px;text-transform:uppercase;color:var(--accent);margin:0 0 8px}
.oe-entry h3{margin:0 0 10px;font:400 23px/1.3 var(--serif);letter-spacing:-.2px}
.oe-entry h3 a{color:var(--ink);text-decoration:none}
.oe-entry h3 a:hover{color:var(--accent)}
.oe-entry .document-byline{margin:0 0 10px;font:14px/1.55 var(--sans);color:#556775}
.oe-entry>p{margin:0 0 14px;font:15px/1.65 var(--sans);color:var(--muted)}
.oe-includes{list-style:none;margin:0 0 16px;padding:12px 0 0;border-top:1px solid var(--line);display:grid;gap:6px}
.oe-includes a{font:14px/1.45 var(--sans);color:var(--ink);text-decoration:none;border-bottom:1px solid transparent}
.oe-includes a:hover{border-bottom-color:var(--accent)}
.oe-includes li{padding-left:14px;position:relative}
.oe-includes li::before{content:"";position:absolute;left:0;top:.62em;width:6px;height:1px;background:var(--accent)}
.oe-includes .oe-more a{color:var(--muted)}
.oe-open{margin-top:auto;align-self:flex-start;font:14px/1.4 var(--sans);color:var(--accent);text-decoration:none}
.oe-open:hover{text-decoration:underline}
.oe-overview .reading-next{margin-top:40px}
.side .oe-compact .oe-subnav{margin-left:8px}
@media (min-width:761px){.side details.oe-compact{display:none}}
@media (max-width:1100px){.oe-grid,.oe-grid.oe-grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.oe-grid>.uniform-card{height:100%;align-items:start}
.oe-grid>.uniform-card>span{align-self:center}}
@media (max-width:760px){
  .reading-layout aside.side div.section-menu.oe-menu{display:none}
  .side details.oe-compact{display:block;width:100%}
  .oe-lede{grid-template-columns:1fr;gap:20px}
  .oe-grid,.oe-grid.oe-grid-2{grid-template-columns:1fr}
  .oe-jump span{margin-left:0;width:100%}
}
/* Pages with a left sidebar: the heading block shares the text column's left edge,
   and the sidebar sits beside it from the breadcrumb down (desktop and tablet only). */
@media (min-width:761px){
  main .wrap:has(> .page-top:not(.photo-heading) + .reading-layout > aside.side),
  main .wrap:has(> .page-top:not(.photo-heading) + .gallery-layout > aside.side){display:grid;grid-template-columns:215px minmax(0,1fr);column-gap:55px;align-items:start}
  main .wrap:has(> .page-top:not(.photo-heading) + .reading-layout > aside.side) > .page-top,
  main .wrap:has(> .page-top:not(.photo-heading) + .gallery-layout > aside.side) > .page-top{grid-column:2;grid-row:1;min-width:0;padding-top:56px}
  main .wrap:has(> .page-top:not(.photo-heading) + .reading-layout > aside.side) > .page-top .crumb,
  main .wrap:has(> .page-top:not(.photo-heading) + .gallery-layout > aside.side) > .page-top .crumb{margin-top:0}
  main .wrap:has(> .page-top:not(.photo-heading) + .reading-layout > aside.side) > .reading-layout,
  main .wrap:has(> .page-top:not(.photo-heading) + .gallery-layout > aside.side) > .gallery-layout{display:contents}
  main .wrap:has(> .page-top:not(.photo-heading) + .reading-layout > aside.side) > .reading-layout > aside.side,
  main .wrap:has(> .page-top:not(.photo-heading) + .gallery-layout > aside.side) > .gallery-layout > aside.side{grid-column:1;grid-row:1 / span 2;margin-top:56px}
  main .wrap:has(> .page-top:not(.photo-heading) + .reading-layout > aside.side) > .reading-layout > :not(aside),
  main .wrap:has(> .page-top:not(.photo-heading) + .gallery-layout > aside.side) > .gallery-layout > :not(aside){grid-column:2;grid-row:2;min-width:0;padding-bottom:70px}
  main .wrap:has(> .page-top:not(.photo-heading) + .reading-layout > aside.side) > .reading-layout > article{max-width:720px}
}

/* Online Exclusive house style: document lists */
.source-body .doc-list{list-style:none;margin:6px 0 30px;padding:0;border-top:1px solid var(--line)}
.source-body .doc-list li{display:flex;flex-direction:column;gap:3px;margin:0;padding:12px 0 12px 16px;border-bottom:1px solid var(--line);position:relative;font:17px/1.5 var(--serif);color:var(--ink)}
.source-body .doc-list li::before{content:"";position:absolute;left:0;top:1.15em;width:7px;height:1px;background:var(--accent)}
.source-body .doc-list .doc-meta{font:14px/1.55 var(--sans);color:var(--muted)}
.source-body .doc-list .doc-meta a{color:var(--muted)}
.source-body ol.chapter-list{counter-reset:chapter}
.source-body ol.chapter-list li{padding-left:34px}
.source-body ol.chapter-list li::before{counter-increment:chapter;content:counter(chapter);width:auto;height:auto;background:none;top:12px;font:14px/1.9 var(--sans);color:var(--accent)}
.source-body .oe-unavailable{padding:14px 18px;background:var(--soft);border-left:2px solid var(--line);font:15px/1.6 var(--sans);color:var(--muted)}
/* Document cards within a page */
.source-body .doc-cards{display:grid;gap:12px;margin:8px 0 32px}
.source-body .doc-cards>.uniform-card{margin:0}
.source-body ol.chapter-list li{display:block}
.source-body ol.chapter-list li a{display:inline}
.source-body ol.chapter-list .doc-meta{display:block;margin-top:3px}
/* publication-readiness:end */