/* Progressive edition: an uncluttered story with the models still centre stage. */
[hidden]{display:none!important}
.reading-study{margin:24px 0 0;border-top:1px solid currentColor;border-bottom:1px solid currentColor;border-color:rgba(85,79,66,.25);scroll-margin-top:100px}
.reading-study>summary{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px 0;list-style:none;cursor:pointer;text-align:left}
.reading-study>summary::-webkit-details-marker{display:none}
.reading-study>summary b{display:block;font:400 clamp(23px,2.1vw,30px)/1.2 'Newsreader',Georgia,serif;letter-spacing:-.02em}
.reading-study>summary small{display:block;margin-top:7px;font:12px/1.5 'Public Sans',Arial,sans-serif;opacity:.65;letter-spacing:.02em}
.study-plus{font-size:25px;font-weight:300;transition:transform .2s}
.reading-study[open]>summary .study-plus{transform:rotate(45deg)}
.study-body{padding:15px 0 25px}
.study-body>section>h4,.study-body .layers-disclosure>h4{font:400 24px/1.25 'Newsreader',Georgia,serif;margin:30px 0 16px}
.study-close,.archive-browse button{appearance:none;border:1px solid currentColor;background:transparent;color:inherit;border-radius:0;min-height:44px;padding:12px 18px;cursor:pointer;font:13px/1.4 'Public Sans',Arial,sans-serif}
.study-close{display:block;margin:32px 0 0}
.reading-study summary:focus-visible,.study-close:focus-visible,.archive-browse button:focus-visible,.moment-watch:focus-visible{outline:2px solid #b59858;outline-offset:6px}
#ship-inspector.editorial-inspector{display:block}
#ship-inspector .ship-visual-column{width:100%;min-width:0}
#ship-study{border-color:rgba(233,224,200,.25)}
#ship-study .study-body{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(230px,.7fr);gap:20px 32px}
#ship-study .layers-start-control,#ship-study .si-drawing-toolbar,#ship-study .si-sheet,#ship-study .si-drawing-legend,#ship-study .si-stops,#ship-study .layers-disclosure{grid-column:1}
#ship-study .ship-reading-column{grid-column:2;grid-row:1/7;position:static;min-width:0}
#ship-study .ship-source-footer,#ship-study .study-close{grid-column:1/-1}
#ship-study .layers-disclosure{margin:0}#ship-study .si-sources{border-top:1px solid #ffffff25;padding-top:15px}
#ship-study .si-source-content{padding:0}#ship-study .model-interpretation-disclosure{padding:0}
#ship-study .model-interpretation-disclosure>h4{font-size:22px}
#plans-study{border-color:rgba(233,224,200,.25);margin-top:28px}
#plans-study .design-gallery{margin-top:0;padding-top:12px;border-top:0}
#plans-study .design-model-comparison{padding:15px 0}
#plans-study .design-model-comparison>h4{font:400 25px 'Newsreader',Georgia,serif}
#p40-companion .p40-inspection-pair{display:block}
#p40-companion .p40-model-column{width:100%;min-width:0}
#cargo-study{margin:20px 24px 24px;border-color:rgba(233,224,200,.25)}
#cargo-study .p40-drawing-column{max-width:680px;margin:0 auto 28px}
#cargo-study .p40-drawing-buttons{justify-content:center}
#cargo-study .p40-evidence{padding:24px 0 0}
#cargo-study .p40-source-detail{border:0;margin:20px 0;padding:0}
#cargo-study .p40-source-detail h4{font:400 23px/1.3 'Newsreader',Georgia,serif}
#p40-companion .p40-caption{max-width:70ch}
.wartime{padding-top:72px;padding-bottom:80px}
.wartime-moments{display:grid;grid-template-columns:1fr 1fr;gap:42px;margin:32px 0 38px}
.wartime-moments article{border-top:1px solid #b9ae96;padding-top:25px}
.wartime-moments h3{font:400 clamp(27px,3vw,38px)/1.1 'Newsreader',Georgia,serif;letter-spacing:-.025em;margin:15px 0}
.wartime-moments p{max-width:40ch;line-height:1.7;color:#625e52}
.moment-watch{display:inline-block;padding:10px 0;margin-top:8px;color:inherit;text-underline-offset:5px;font-size:13px}
.wartime .reading-study{margin-top:0;border-bottom:0}.wartime .reading-study:last-child{border-bottom:1px solid #b9ae9650}
.wartime .attack-feature,.wartime .loss-feature,.wartime .seabrook-context{margin:0;padding:15px 0;border:0}
#fleet .section-heading{position:relative}.anchor-alias{position:absolute;top:0;scroll-margin-top:100px}
#fleet .fleet-row summary{display:grid;grid-template-columns:28px minmax(130px,1fr) minmax(100px,.65fr) minmax(140px,1fr) 20px;gap:20px;align-items:center;padding:22px 0}
#fleet .fleet-row .fleet-name{font-size:27px}#fleet .fleet-name small{display:none}
.fleet-service,.fleet-fate{font:13px/1.5 'Public Sans',Arial,sans-serif}
.fleet-service small,.fleet-fate small{display:block;font-size:9px;letter-spacing:.12em;opacity:.6;margin-bottom:4px}
#fleet .fleet-detail{padding:4px 0 28px 48px;grid-template-columns:1fr 1fr;gap:24px}
.fleet-fate-detail{grid-column:1/-1}.fleet-fate-detail .fate-card{padding:18px 0;border:0;background:none;max-width:68ch}
.fleet-fate-detail .fate-card-top{display:none}.fleet-fate-detail h3{display:none}.fleet-fate-detail .fate-outcome{font:400 25px 'Newsreader',Georgia,serif;margin-bottom:12px}
.archive-browse{display:flex;align-items:center;gap:20px;margin:26px 0 36px}.archive-browse p{font:12px/1.5 'Public Sans',Arial,sans-serif;color:#777165;margin:0}
#archive .evidence-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
#captains-letter .letter-feature{margin:15px 0 0;padding-top:0;border-top:0}
#racing-study .racing-evidence{margin-top:0}#racing-study .racing-open{margin-bottom:0}
#racing-study .study-close{margin-left:0}
@media(max-width:760px){
 .reading-study>summary{padding:19px 0;gap:14px}.reading-study>summary small{font-size:11px}
 #ship-study .study-body{display:block}#ship-study .ship-reading-column{margin-top:28px}
 #ship-study .si-stops{margin-top:18px}#ship-study .layers-disclosure{margin-top:24px}
 #cargo-study{margin-left:16px;margin-right:16px}.wartime{padding-top:46px;padding-bottom:48px}
 .wartime-moments{grid-template-columns:1fr;gap:26px;margin-bottom:30px}
 .wartime-moments p{max-width:none}.wartime-moments h3{font-size:31px}
 #fleet .fleet-row summary{grid-template-columns:22px minmax(0,1fr) 22px;gap:5px 12px;padding:20px 0}
 #fleet .fleet-name{grid-column:2;grid-row:1}#fleet .fleet-row .fleet-name{font-size:26px}
 #fleet .fleet-num{grid-column:1;grid-row:1}#fleet .fleet-arrow{grid-column:3;grid-row:1}
 .fleet-service{grid-column:2;grid-row:2}.fleet-fate{grid-column:2;grid-row:3}
 .fleet-service small,.fleet-fate small{display:inline;margin-right:8px}.fleet-fate{font-size:12px}
 #fleet .fleet-detail{padding:8px 0 25px 34px;display:block}#fleet .service-interval{margin-top:18px}
 .archive-browse{align-items:flex-start;flex-direction:column;gap:12px}
 #archive .evidence-grid{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){.study-plus{transition:none}}
/* Live review: keep study descriptions readable on the dark exhibit. */
.object-room .reading-study>summary small{color:var(--room-soft);opacity:1}
#ship-study .study-body{display:block}
#ship-study .ship-reading-column{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:28px}
#ship-study .si-drawing-toolbar{margin-top:22px}
#ship-study .ship-source-footer{margin-top:28px}
@media(max-width:760px){#ship-study .ship-reading-column{display:block}}

/* The photograph tour opens on demand, keeping the main story compact. */
.racing-tour-action{display:flex;align-items:center;flex-wrap:wrap;gap:12px 22px;margin:0 0 24px}
.racing-tour-link{display:inline-flex;align-items:center;gap:12px;min-height:44px;padding:12px 18px;border:1px solid var(--ink);color:var(--ink);text-decoration:none;font:13px/1.4 var(--sans)}
.racing-tour-link:hover{background:var(--paper-sunk)}
.racing-tour-link:focus-visible{outline:2px solid #b59858;outline-offset:5px}
.racing-tour-note{font:12px/1.5 var(--sans);color:var(--ink-soft)}
@media(max-width:600px){.racing-tour-action{align-items:flex-start;flex-direction:column;gap:10px}}