:root{color-scheme:light;--navy:#01017c;--ink:#173650;--muted:#46657d;--line:#cbdeeb;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:white}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0}button,a,summary{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer;min-height:44px;min-width:44px}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--navy);outline-offset:4px}svg{display:block;width:100%;height:auto;font-family:inherit}.atlas{max-width:1120px;margin:auto;padding:28px 25px 15px}.intro{display:grid;grid-template-columns:minmax(0,1fr) 75px;gap:20px;align-items:start}.intro>*{min-width:0}.eyebrow{font-size:10px;line-height:1.65;letter-spacing:.13em;font-weight:750;color:#3f6480;margin:0 0 10px}.intro h1{color:var(--navy);font-size:clamp(30px,4vw,49px);line-height:1.08;letter-spacing:-.045em;font-weight:650;margin:0 0 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#246c98;color:#143e5d}.orientation{font-size:12px;line-height:1.75;color:#45647e;margin:14px 3px 0}.readout{padding-top:26px}.readout h2{font-size:31px;line-height:1.2;letter-spacing:-.035em;color:var(--navy);margin:0 0 16px;font-weight:650}.readout>p:not(.eyebrow):not(.interaction-help){font-size:15px;line-height:1.85;margin:0 0 22px}.function{border-left:3px solid #4b9cc8;padding:14px 17px;margin:0 0 20px;background:#f1f8fc;border-radius:0 13px 13px 0}.function .eyebrow{font-size:10px;letter-spacing:.08em}.function>p:last-child{font-size:17px;line-height:1.7;margin:0;color:#193f5b}.key{display:grid;grid-template-columns:18px minmax(0,1fr);gap:10px;border-top:1px solid var(--line);padding-top:17px;margin-top:3px}.key>*{min-width:0}.swatch{display:block;width:17px;height:17px;border-radius:50%;background:#80d6f4;border:2px solid #15476b;margin-top:3px}.key>p{font-size:12px;line-height:1.8;color:#45647e;margin:0}.interaction-help{font-size:12px;line-height:1.8;color:#45647e;margin:18px 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[data-muscle-shape]{cursor:pointer}button:hover{border-color:#246c98}.mode-tabs>button[aria-pressed=true]:hover{border-color:#01017c}