/* The document is the timeline; the complete sheet always keeps its source ratio. */
.sf-folio{--sf-top:136px;--sf-stage-height:calc(100vh - var(--sf-top));--sf-stage-height:calc(100svh - var(--sf-top));--sf-sheet-width:80%;--sf-sheet-height:80%;background:#f5f5f4;color:#171717;position:relative;padding-top:70px}
.sf-intro{display:flex;justify-content:space-between;align-items:flex-end;gap:35px;padding:0 var(--pad) 35px}
.sf-intro h2{font-size:clamp(38px,5.1vw,80px);font-weight:750;letter-spacing:-.065em;line-height:1.18}
.sf-intro p{font-size:12px;line-height:1.85;max-width:30em}
.sf-track{position:relative}
.sf-stage{position:relative;min-width:0;padding:28px var(--pad) 34px;display:grid;grid-template-columns:minmax(170px,.24fr) minmax(0,1fr);gap:clamp(25px,4.5vw,80px);background:#f5f5f4}
.sf-dynamic .sf-stage{position:sticky;top:var(--sf-top);height:var(--sf-stage-height)}
.sf-caption{align-self:center;min-width:0;padding-bottom:32px}
.sf-count{display:flex;align-items:baseline;gap:8px;line-height:1;white-space:nowrap}
.sf-count strong{font:500 clamp(48px,6.1vw,94px)/1 Archivo,sans-serif;letter-spacing:-.07em}
.sf-count>span{font-size:12px;color:#62666b}
.sf-caption h3{font-size:clamp(19px,2vw,30px);font-weight:600;line-height:1.5;letter-spacing:-.035em;max-width:11em;margin:24px 0 22px;overflow-wrap:anywhere}
.sf-cue{font-size:11px;line-height:1.8;display:flex;align-items:center;gap:10px;max-width:18em;color:#55595d}
.sf-cue i{font:400 22px/1 Archivo,sans-serif;font-style:normal;color:var(--sf-ink)}
.sf-actions{display:flex;gap:7px;flex-wrap:wrap;margin-top:34px}
.sf-actions button{min-width:44px;min-height:44px;display:inline-flex;align-items:center;justify-content:center;border:1px solid #b5b8ba;background:transparent;font-size:17px}
.sf-actions .sf-zoom{min-width:114px;gap:15px;font-size:11px;padding:0 12px;border-color:var(--sf-ink);background:var(--sf-ink);color:var(--sf-accent)}
.sf-actions button:not(:disabled):hover{background:var(--sf-accent);color:var(--sf-ink);border-color:var(--sf-ink)}
.sf-reading-note{font-size:10px;color:#666b70;line-height:1.8;margin-top:17px}
.sf-view{display:flex;flex-direction:column;min-width:0;min-height:0}
.sf-stack{position:relative;min-width:0;min-height:0;flex:1;perspective:1800px;isolation:isolate}
.sf-dynamic .sf-sheet{position:absolute;left:50%;top:50%;width:var(--sf-sheet-width);height:var(--sf-sheet-height);transform:translate(-50%,-50%);transform-origin:10% 50%;will-change:transform,opacity;box-shadow:0 12px 26px #1a22301c;background:white;backface-visibility:hidden}
.sf-sheet>button{display:block;width:100%;height:100%;cursor:zoom-in;background:white;touch-action:pan-y pinch-zoom}
.sf-sheet img{display:block;width:100%;height:100%;object-fit:contain;background:white}
.sf-sheet figcaption{display:flex;align-items:baseline;justify-content:space-between;gap:15px;padding:13px 0;font-size:12px;line-height:1.6}
.sf-sheet figcaption>span:nth-child(2){flex:1}
.sf-sheet figcaption>span:first-child{font-size:10px;color:#62666b;white-space:nowrap}
.sf-dynamic .sf-sheet figcaption{display:none}
.sf-thumbnails{display:flex;justify-content:center;align-items:flex-start;gap:9px;min-height:77px;padding:14px 5px 4px;overflow-x:auto;overflow-y:hidden;scrollbar-width:thin;position:relative;overscroll-behavior-x:contain;touch-action:pan-x pan-y pinch-zoom;flex-shrink:0}
.sf-thumbnails button{width:clamp(44px,5vw,74px);flex-shrink:0;padding:3px;position:relative;border:1px solid transparent;opacity:.5;display:flex;flex-direction:column;align-items:center;gap:4px;min-height:44px;font-size:9px;line-height:1.25}
.sf-thumbnails img{width:100%;height:auto;aspect-ratio:4/3;object-fit:contain}
.sf-thumbnails button[aria-pressed=true]{opacity:1;border-color:var(--sf-ink);background:white}
.sf-thumbnails button:hover{opacity:1}
.sf-thumbnails button:focus-visible{outline-offset:-2px}
.sf-progress{position:absolute;left:var(--pad);right:var(--pad);bottom:11px;height:2px;background:#d8dadb;pointer-events:none}
.sf-progress i{display:block;height:100%;background:var(--sf-ink);transform:scaleX(var(--sf-progress,0));transform-origin:left}
.sf-credit{font-size:10px;line-height:1.9;color:#64686c;max-width:85em;padding:24px var(--pad) 55px}
.sf-live{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.sf-folio button:focus-visible{outline:3px solid #153dda;outline-offset:4px}
.sf-static .sf-stage{display:block;height:auto;padding-top:15px}
.sf-static .sf-caption{display:none}
.sf-static .sf-stack{display:grid;gap:38px}
.sf-static .sf-sheet{position:relative;left:auto;top:auto;width:100%;max-width:1180px;height:auto;margin:0 auto;transform:none!important;opacity:1!important;visibility:visible!important;scroll-margin-top:calc(var(--sf-top) + 20px)}
.sf-static .sf-sheet>button{height:auto;box-shadow:0 6px 22px #1a223010}
.sf-static .sf-sheet img{height:auto;aspect-ratio:4/3}
.sf-static .sf-thumbnails,.sf-static .sf-progress{display:none}
@media(max-width:1050px) and (min-width:760px){.sf-stage{grid-template-columns:160px minmax(0,1fr);gap:25px}.sf-actions{gap:6px}.sf-actions .sf-zoom{flex-basis:100%;margin-top:4px}.sf-thumbnails{gap:5px}.sf-thumbnails button{width:44px}}
@media(max-width:759px){
 .sf-folio{padding-top:44px}.sf-intro{display:block;padding-bottom:27px}.sf-intro h2{font-size:42px}.sf-intro p{font-size:11px;margin-top:17px}
 .sf-stage{display:flex;flex-direction:column;gap:12px;padding:20px var(--pad) 27px}.sf-caption{display:grid;grid-template-columns:1fr auto;gap:9px 12px;padding:0;align-self:stretch}.sf-count{gap:5px;align-self:center}.sf-count strong{font-size:32px;letter-spacing:-.055em}.sf-count>span{font-size:10px}.sf-caption h3{grid-column:1/-1;grid-row:2;font-size:21px;line-height:1.5;max-width:none;margin:0;min-height:32px}.sf-actions{grid-column:2;grid-row:1;margin:0;gap:5px;flex-wrap:nowrap}.sf-actions button{min-height:36px;min-width:36px;font-size:16px}.sf-actions .sf-zoom{min-width:92px;font-size:10px;gap:8px;padding:0 9px}.sf-cue{grid-column:1/-1;font-size:10px;max-width:none;gap:10px;justify-content:space-between}.sf-cue i{font-size:18px}.sf-reading-note{display:none}.sf-view{flex:1;min-height:0}.sf-stack{min-height:0}.sf-thumbnails{justify-content:flex-start;gap:6px;min-height:75px;padding:12px 2px 4px}.sf-thumbnails button{width:44px;font-size:9px}.sf-progress{bottom:10px}.sf-credit{font-size:9px;padding-top:22px;padding-bottom:38px}.sf-static .sf-stage{padding-top:8px}.sf-static .sf-stack{gap:25px}.sf-sheet figcaption{font-size:11px;gap:10px}.sf-sheet figcaption>span:first-child{font-size:9px}
}
@media(prefers-reduced-motion:reduce){.sf-sheet{will-change:auto!important}}
@media print{.sf-track{height:auto!important}.sf-stage{display:block!important;position:static!important;height:auto!important}.sf-caption,.sf-thumbnails,.sf-progress{display:none!important}.sf-stack{display:block}.sf-sheet{position:relative!important;left:auto!important;top:auto!important;width:100%!important;height:auto!important;transform:none!important;opacity:1!important;visibility:visible!important;break-inside:avoid;margin-bottom:20px}.sf-sheet>button,.sf-sheet img{height:auto}.sf-sheet figcaption{display:flex!important}}