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@media(min-width:761px) and (max-height:720px){.model-sticky{top:24px}#diagram{max-height:48svh}.chapter{min-height:90svh}}
.model-group-label{font-family:var(--font-label);font-size:11px;fill:var(--color-obsidian);letter-spacing:.02em;transition:opacity 400ms ease}
html:has(body.reduced){scroll-behavior:auto}
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button:focus-visible,a:focus-visible,input:focus-visible{outline-color:var(--color-obsidian)}
.masthead a:focus-visible,.masthead button:focus-visible,.hero a:focus-visible,.execos a:focus-visible,footer a:focus-visible,footer button:focus-visible{outline-color:var(--color-champagne)}
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.chapter.is-active h3{color:var(--color-obsidian)}
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@media print{.hero{min-height:500px}.model-sticky{position:static}.chapter{min-height:0;padding:30px 0}.js-only{display:none!important}.execos-photo{min-height:300px}}

/* Extended geometry retains the original site's square/circle semantics. */
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.shape-key{display:flex;flex-wrap:wrap;gap:18px 30px;border-top:1px solid #08080826;padding:24px 0 48px;font:400 11px/1.5 var(--font-label)}.shape-key>span{display:flex;align-items:center;gap:10px}.shape{display:inline-block;position:relative;width:18px;height:18px;flex-shrink:0;color:inherit}.shape.filled{background:currentColor;width:12px;height:12px;margin:3px}.shape.circle{background:currentColor;border-radius:50%}.shape.square{border:2px solid currentColor}.shape.triangle:before{content:"";position:absolute;inset:0;background:currentColor;clip-path:polygon(50% 0,100% 100%,0 100%)}.shape.triangle:after{content:"";position:absolute;inset:4px 4px 3px;background:var(--shape-surface,var(--color-paper));clip-path:polygon(50% 0,100% 100%,0 100%)}.shape.cross:before,.shape.cross:after{content:"";position:absolute;left:calc(50% - 1px);width:2px;height:120%;top:-10%;background:currentColor;transform:rotate(45deg)}.shape.cross:after{transform:rotate(-45deg)}
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@media(max-height:700px) and (max-width:760px){.model-sticky{position:relative;top:auto}#diagram{height:270px}.chapter{scroll-margin-top:24px;min-height:60svh}}

@media(max-width:760px){.model-node text{font-size:23px}}