:root{--page:#CDD2D5;--sheet:#E4E8EA;--ink:#24292D;--ink-2:#4F585E;--rule:#9AA3A9;--stripe:#A8261F;--focus:#0B5F7A;color-scheme:light}
@media (prefers-color-scheme:dark){:root{--page:#23272A;--sheet:#2C3134;--ink:#D6DADC;--ink-2:#A1AAB0;--rule:#566067;--stripe:#D0463B;--focus:#6FC3DD;color-scheme:dark}}
*{box-sizing:border-box}
body{margin:0;background:var(--page);color:var(--ink);font-family:"Archivo",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-variation-settings:"wdth" 100;font-size:1.0625rem;line-height:1.55}
a{color:inherit;text-underline-offset:3px}
a:hover{color:var(--stripe)}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.mast{padding:20px 0 12px}
.mast .wrap{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:10px 24px}
.mark{display:flex;align-items:baseline;gap:.55em;text-decoration:none}
.mark .word{font-weight:850;font-variation-settings:"wdth" 125;font-size:clamp(1.5rem,4vw,2.2rem);letter-spacing:.18em;line-height:1}
.mark .sub{font-weight:600;font-variation-settings:"wdth" 125;font-size:.8rem;letter-spacing:.32em;color:var(--ink-2)}
.back{font-variation-settings:"wdth" 88;font-weight:560}
.stripe{height:10px;background:var(--stripe)}
h1{font-size:clamp(1.7rem,4vw,2.6rem);font-weight:760;font-variation-settings:"wdth" 112;line-height:1.1;margin:34px 0 10px}
.lede{max-width:66ch;color:var(--ink-2);margin:0 0 18px}
.sheet{background:var(--sheet);border:2px solid var(--ink)}
.stage{position:relative;height:min(68vh,620px);min-height:340px}
canvas{display:block;width:100%;height:100%;touch-action:none}
.status{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--ink-2);pointer-events:none}
.controls{display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;padding:12px 14px;border-top:2px solid var(--ink)}
.seg{display:flex;flex-wrap:wrap;border:2px solid var(--ink)}
.seg button{font:inherit;font-variation-settings:"wdth" 88;font-weight:600;font-size:.95rem;background:transparent;color:var(--ink);
  border:0;border-left:2px solid var(--ink);padding:8px 14px;cursor:pointer}
.seg button:disabled{opacity:.45;cursor:not-allowed}
.seg button:first-child{border-left:0}
.seg button[aria-pressed="true"]{background:var(--ink);color:var(--sheet)}
.slider{display:flex;align-items:center;gap:10px;font-variation-settings:"wdth" 88;font-weight:600}
.slider input{width:min(260px,52vw);accent-color:var(--stripe)}
.slider output{min-width:3.2em;font-variant-numeric:tabular-nums;color:var(--ink-2)}
.slider.off{opacity:.45}
label.toggle{display:flex;align-items:center;gap:8px;font-variation-settings:"wdth" 88;font-weight:600;cursor:pointer}
label.toggle input{width:20px;height:20px;accent-color:var(--stripe)}
.hint{margin-left:auto;font-size:.88rem;color:var(--ink-2)}
@media (max-width:640px){.hint{margin-left:0}}
.titleblock{display:grid;grid-template-columns:repeat(4,minmax(0,auto));justify-content:end;border-top:2px solid var(--ink);
  font-variation-settings:"wdth" 88;font-size:.83rem}
.titleblock div{padding:7px 12px;border-left:1px solid var(--ink)}
.titleblock div:first-child{border-left:0}
.titleblock b{display:block;font-weight:700;font-size:.72rem;color:var(--ink-2)}
@media (max-width:640px){.titleblock{grid-template-columns:1fr 1fr;justify-content:stretch}
  .titleblock div:nth-child(3){border-left:0}.titleblock div:nth-child(n+3){border-top:1px solid var(--ink)}}
figure.photo{margin:26px 0 0;border:2px solid var(--ink);background:var(--sheet)}
figure.photo img{display:block;width:100%;height:auto}
figure.photo figcaption{border-top:2px solid var(--ink);padding:8px 12px;font-size:.85rem;line-height:1.45;color:var(--ink-2);font-variation-settings:"wdth" 88}
figure.photo figcaption b{color:var(--ink);font-weight:700}
.notes{max-width:70ch;margin:26px 0 60px}
.notes p{margin:0 0 .9em}
.notes table{border-collapse:collapse;font-size:.83rem;margin:0 0 1em;font-variant-numeric:tabular-nums}
.notes th,.notes td{padding:6px 8px;border:1px solid var(--rule);text-align:left;white-space:nowrap}

nav.fleet-nav{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:.95rem}
nav.fleet-nav a[aria-current="page"]{font-weight:750;text-decoration-color:var(--stripe)}
.notes h2{font-variation-settings:"wdth" 112;line-height:1.2;margin:1.5em 0 .55em}
.notes li{margin:.5em 0}.notes th,.notes td{white-space:normal}
.table-scroll{overflow-x:auto}table{width:100%}caption{text-align:left;font-weight:650;margin-bottom:10px}
.fleet-cards{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:18px;padding:0;margin:26px 0}
.fleet-cards a{display:block;height:100%;padding:20px;border:2px solid var(--ink);background:var(--sheet);text-decoration:none}
.fleet-cards a:hover{border-color:var(--stripe)}.fleet-cards h2{margin:0 0 10px;font-size:1.4rem}
.fleet-cards p{margin:0;color:var(--ink-2)}.source{font-size:.85rem;color:var(--ink-2)}
.viewer-caption{padding:10px 14px;margin:0;border-top:1px solid var(--rule);font-size:.85rem;color:var(--ink-2)}
.status{padding:20px;text-align:center}.status:empty{display:none}
.stage{overflow:hidden}.seg button:disabled{opacity:.45;cursor:wait}
footer{margin-top:40px;padding:24px 0;border-top:10px solid var(--stripe);color:var(--ink-2);font-size:.9rem}
@media(max-width:480px){.wrap{padding:0 12px}.mark .sub{font-size:.65rem}.stage{min-height:300px;height:52vh}}