/* UI controls frame the original images; generated lettering stays untouched. */.ba-exhibit{color:#092b3d;background:linear-gradient(155deg,#f6fafb,#e2edf0);border-radius:28px;padding:clamp(18px,calc(var(--cw)*0.03),42px);margin:48px auto 0;max-width:1200px;box-sizing:border-box;scroll-margin-top:80px}.ba-header{margin-bottom:28px}.ba-header>p:first-child{font-size:14px;color:#446576;letter-spacing:.04em;margin:0 0 10px}.ba-header h2{font-size:clamp(25px,calc(var(--cw)*0.034),42px);line-height:1.35;letter-spacing:-.03em;margin:0 0 14px}.ba-header>p:last-child{font-size:15px;color:#496778;margin:0;line-height:1.8}.ba-layout{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(250px,1fr);gap:32px;align-items:start}.ba-main{min-width:0}.ba-labels{display:flex;justify-content:space-between;font-size:13px;font-weight:700;padding:0 3px 10px;color:#466779}.ba-surface{position:relative;aspect-ratio:1;overflow:hidden;border-radius:16px;isolation:isolate;cursor:ew-resize;touch-action:pan-y;user-select:none;background:#0a2532;outline:none}.ba-surface:focus-visible{outline:3px solid #087a9d;outline-offset:5px}.ba-surface img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;margin:0;pointer-events:none;user-select:none}.ba-before{clip-path:inset(0 calc(100% - var(--ba)) 0 0);z-index:2}.ba-divider{position:absolute;left:var(--ba);top:0;bottom:0;width:2px;transform:translateX(-1px);background:#fff;z-index:3;pointer-events:none;box-shadow:0 0 8px #0005}.ba-divider i{font-family:system-ui;font-style:normal;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);border:1px solid #fff9;box-shadow:0 2px 16px #051c3680;display:grid;place-items:center;width:52px;height:52px;border-radius:50%;background:#092b3ddf;color:white;font-size:24px;white-space:pre;letter-spacing:3px;backdrop-filter:blur(6px)}.ba-toolbar{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-top:14px}.ba-toolbar button{min-height:44px;border:1px solid #b8cbd3;border-radius:999px;padding:9px 16px;font:inherit;font-size:14px;color:#103849;background:#ffffffc4;cursor:pointer}.ba-toolbar button[aria-pressed=true]{background:#0a3042;color:white;border-color:#0a3042}.ba-toolbar .ba-zoom{margin-left:auto;border:0;background:transparent;color:#086989;padding-inline:8px}.ba-toolbar button:focus-visible,.ba-choice:focus-visible{outline:3px solid #087a9d;outline-offset:3px}.ba-sidebar h3{font-size:16px;margin:0 0 15px;padding-top:4px}.ba-choices{display:grid;gap:10px}.ba-choice{display:flex;gap:16px;align-items:center;padding:10px;text-align:left;background:#fff9;border:1px solid #c9d8df;border-radius:15px;color:#103747;font:inherit;font-size:15px;line-height:1.6;font-weight:700;cursor:pointer;transition:border-color .18s,background .18s}.ba-choice img{width:82px;height:82px;object-fit:contain;border-radius:8px;flex-shrink:0}.ba-choice[aria-pressed=true]{border-color:#157a98;background:#fff;box-shadow:0 0 0 1px #157a98}.ba-choice span{flex:1}.ba-choice span::after{content:' ↗';font-weight:400;color:#387080}.ba-description{margin:24px 2px 0}.ba-description h4{font-size:21px;line-height:1.5;margin:0 0 12px;letter-spacing:-.025em}.ba-description p{font-size:15px;line-height:1.9;margin:0 0 14px;color:#315266}.ba-description small{font-size:12px;line-height:1.8;display:block;color:#536e7b}.ba-footnote{font-size:12px;line-height:1.8;color:#56717c;margin:24px 0 0;max-width:none}.offer-pair,.offer-notes{gap:24px;max-width:1200px}.offer-pair{margin-bottom:24px}.offer-notes{margin-bottom:48px}.offer-pair>.panel,.offer-notes>.panel{border:1px solid #cadde322;box-shadow:0 20px 50px #0002;border-radius:24px;overflow:hidden;align-self:start}.offer-pair img,.offer-notes img{width:100%;height:auto;display:block}.ba-layout{grid-template-columns:1fr;gap:24px}.ba-exhibit{max-width:660px}.ba-choices{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.ba-choice{display:block;text-align:center;padding:8px;font-size:13px}.ba-choice img{width:100%;height:auto;aspect-ratio:1;margin:0 0 7px}.ba-choice span{display:block}.ba-choice span::after{content:''}.ba-description{padding:18px 20px;background:#fff8;border-radius:16px;margin-top:20px}.ba-description p{font-size:16px}.ba-sidebar h3{font-size:15px;margin-bottom:12px}.offer-pair,.offer-notes{grid-template-columns:1fr;max-width:660px}.ba-footnote{font-size:12px}@media (max-width:420px){.ba-exhibit{padding:18px 12px;border-radius:20px}.ba-header{padding-inline:4px}.ba-header h2{font-size:25px}.ba-layout{gap:22px}.ba-surface{border-radius:12px}.ba-divider i{width:44px;height:44px;font-size:22px}.ba-toolbar{gap:4px}.ba-toolbar button{padding-inline:13px;font-size:13px}.ba-toolbar .ba-zoom{margin-left:0;padding-inline:8px;font-size:12px}.ba-choice{padding:6px;font-size:12px}.ba-description{padding:16px}.ba-description h4{font-size:20px}.ba-description p{font-size:15px}.offer-pair>.panel,.offer-notes>.panel{border-radius:20px}}@media (prefers-reduced-motion:reduce){.ba-choice{transition:none}}.v17-returning{display:inline-block;padding:12px 0;color:#f5d79a;text-underline-offset:5px;font-size:15px;line-height:1.8}.v17-returning:focus-visible{outline:3px solid #68cef0;outline-offset:4px}#prologue[data-v014]{height:620svh}.opening-stage{background:#03131f}.opening-chapters .active{color:#ffdf9a}.opening-chapters{transition:opacity .3s}#prologue[data-arrival-state=holding] .opening-chapters{opacity:1}#prologue[data-arrival-state=holding] .opening-progress{box-shadow:0 0 22px #8be5ff40}.opening-controls button,.opening-controls a{min-height:44px;box-sizing:border-box;display:inline-flex;align-items:center;justify-content:center}@media (max-width:1000px){.opening-chapters{font-size:11px}#prologue[data-v014]{height:580svh}}@media (prefers-reduced-motion:reduce){#prologue[data-v014]{height:100svh}}