:root{--font-sans:"Helvetica World","Helvetica Neue",Helvetica,Arial,"Liberation Sans",sans-serif;--font-display:var(--font-sans);--font-body:var(--font-sans);--font-mono:var(--font-sans);--ink:#1b1a19;--graphite:#3d3b3a;--ink-soft:#56534f;--label-ink:#6b6866;--paper:#f4f3f1;--paper-hi:#ffffff;--paper-deep:#eceae7;--rule:#d6d2ce;--rule-lo:#e6e3df;--brand:#0097b2;--brand-deep:#007a91;--brand-ink:#00697e;--brand-lift:#5fc6da;--brand-wash:rgba(0,151,178,0.08);--brand-wash-2:rgba(0,151,178,0.16);--sea:var(--brand);--sea-deep:var(--brand-deep);--marker:var(--brand);--marker-ink:var(--brand-ink);--gap:var(--graphite);--contour:#cdc9c4;--contour-lo:#e4e1dd;--sp-1:8px;--sp-2:12px;--sp-3:18px;--sp-4:26px;--sp-5:36px;--sp-6:54px;--sp-section:clamp(64px,7.4vw,112px);--sp-gutter:clamp(24px,5vw,64px);--radius:0px;--border-card:1px solid var(--rule);--shadow-card:0 1px 1px rgba(27,26,25,0.04),0 10px 28px rgba(27,26,25,0.08);--rule-strong:1px solid 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(max-width:880px){.cta-inner{grid-template-columns:1fr}.cta-figure{display:none}}.site-footer{border-top:var(--rule-strong);color:var(--label-ink)}.site-footer-inner{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;flex-wrap:wrap;padding-top:28px;padding-bottom:46px}.site-footer-brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-size:15px;font-weight:500;letter-spacing:-.025em}.site-footer .mono{font-size:10px;color:var(--label-ink);display:block;margin-top:8px}.site-footer-links{display:flex;align-items:baseline;gap:26px;font-size:13px}.site-footer-links a{text-decoration:none;color:var(--label-ink)}.site-footer-links a:hover{color:var(--brand-ink)}.atlas-frame{--ground:#f1efec;--wire:#cdc8c2;--wire-thin:#dbd6d0;position:relative;display:flex;flex-direction:column;height:clamp(560px,78vh,780px);border:1px solid var(--ink);background:var(--paper-hi);box-shadow:var(--shadow-card);overflow:hidden}.atlas-frame.is-fullscreen{position:fixed;inset:0;z-index:400;height:100vh;height:100dvh;border:none}.atlas-head{gap:16px;padding:10px 14px;border-bottom:1px solid var(--ink);background:var(--paper-hi);flex:none}.atlas-head,.atlas-title{display:flex;align-items:center}.atlas-title{gap:10px;padding:3px 6px 3px 0;text-align:left}.atlas-title:hover .at-name{color:var(--brand-ink)}.atlas-title>span:last-child{display:flex;flex-direction:column;line-height:1.25}.at-name{font-size:14px;font-weight:600;letter-spacing:-.01em;transition:color .15s}.at-sub{color:var(--label-ink);font-size:9.5px}.atlas-badge{color:var(--brand-ink);border:1px solid var(--brand);padding:3px 8px;font-size:9px;line-height:1.3}.atlas-head-actions{margin-left:auto;display:flex;gap:8px}.atlas-head-actions .btn{min-height:34px;padding:7px 14px;font-size:12.5px}.atlas-body{flex:1 1;display:grid;grid-template-columns:348px 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.chip-ref,.atlas-board[data-band=out] .chip-role{opacity:0}.chip.is-hover .chip-body,.chip.is-related .chip-body,.chip:hover .chip-body{stroke:var(--brand)}.chip.is-answer .chip-body,.chip.is-path .chip-body,.chip.is-selected .chip-body{stroke:var(--brand-deep);stroke-width:2}.chip:focus-visible .chip-body{stroke:var(--ink);stroke-width:2}.chip.is-gap .chip-body{fill:none;stroke:var(--graphite);stroke-dasharray:4 3}.chip.is-gap .chip-name{fill:var(--ink-soft)}.has-answer .chip,.has-path .chip,.is-focused .chip{opacity:.34;transition:opacity .2s}.has-answer .chip.is-answer,.has-path .chip.is-path,.is-focused .chip.is-related{opacity:1}.chip-step circle{fill:var(--brand-deep)}.chip-step text{fill:var(--paper-hi);font-size:11px;font-weight:600;text-anchor:middle}.other-boards{opacity:0;transition:opacity .7s ease;pointer-events:none}.other-boards.is-shown{opacity:1}.other-boards rect{fill:none;stroke:var(--rule);stroke-width:1;stroke-dasharray:6 6;vector-effect:non-scaling-stroke}.other-boards text{fill:var(--label-ink);font-size:13px;font-weight:500;letter-spacing:.16em;text-transform:uppercase;text-anchor:middle}.other-boards .ob-note{font-size:11px;letter-spacing:.04em;text-transform:none;opacity:.7}.board-controls{position:absolute;top:14px;right:14px;align-items:flex-end;gap:8px;z-index:3}.board-controls,.ctrl-stack{display:flex;flex-direction:column}.ctrl-stack{background:var(--paper-hi);border:1px solid var(--rule);box-shadow:0 1px 2px rgba(27,26,25,.06),0 6px 18px rgba(27,26,25,.07)}.ctrl{display:flex;align-items:center;justify-content:center;gap:7px;min-width:36px;min-height:34px;padding:0 10px;font-size:12.5px;color:var(--ink)}.ctrl+.ctrl{border-top:1px solid var(--rule)}.ctrl:hover{background:var(--paper)}.ctrl.is-on{background:var(--ink);color:var(--paper-hi)}.zoom-stack .ctrl{font-size:16px;padding:0}.display-pop{background:var(--paper-hi);border:1px solid var(--rule);box-shadow:var(--shadow-card);padding:10px 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var(--graphite)}.lg-wire{fill:none;stroke:var(--wire);stroke-width:1.6}.lg-wire.s1{stroke-width:1.1;stroke-dasharray:3 3}.legend-note{margin-top:9px;padding-top:8px;border-top:1px solid var(--rule-lo);font-size:11.5px;line-height:1.45;color:var(--label-ink)}.board-attribution{display:inline-block;margin-top:7px;padding:3px 6px;background:rgba(241,239,236,.86);font-size:9.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--label-ink)}.wheel-hint{position:absolute;left:50%;top:18px;transform:translateX(-50%);background:rgba(27,26,25,.9);color:var(--paper-hi);padding:8px 14px;font-size:12px;opacity:0;pointer-events:none;transition:opacity .2s;z-index:5}.wheel-hint.is-on{opacity:1}.atlas-panel{display:flex;flex-direction:column;min-height:0;border-right:1px solid var(--rule);background:var(--paper-hi)}.panel-search{display:flex;align-items:center;gap:9px;padding:11px 14px;border-bottom:1px solid var(--rule);color:var(--label-ink);flex:none}.panel-search input{flex:1 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