:root{--paper:#f4f1ea;--ink:#232822;--muted:#62675f;--line:#d6d8cd;--accent:#a83d23;--green:#385440;--wash:#e7ebdf}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:inherit;text-underline-offset:4px}a:hover{color:var(--accent)}a:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:5px}.skip{position:fixed;top:-80px;left:20px;z-index:100;background:var(--ink);color:white;padding:10px}.skip:focus{top:8px}.site-head{position:sticky;top:0;z-index:10;background:rgba(244,241,234,.97);border-bottom:1px solid var(--line)}.head-inner{max-width:1320px;margin:auto;display:flex;justify-content:space-between;align-items:center;padding:18px 36px;gap:24px}.brand{font-size:20px;font-weight:750;text-decoration:none;letter-spacing:-1px}.brand b{color:var(--accent)}.brand span{font:10px ui-monospace,monospace;letter-spacing:1px;margin-left:14px;text-transform:uppercase}.site-head nav{display:flex;gap:26px;font-size:12px}.site-head nav a{text-decoration:none}.wrap{max-width:1248px;margin:0 auto;padding:0 36px}.hero{padding-top:65px}.eyebrow,.tag,.section-no,.figure-label{font:11px/1.7 ui-monospace,monospace;letter-spacing:.1em;text-transform:uppercase;color:var(--accent)}.hero-top{display:flex;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line);padding-bottom:18px}.tag{color:var(--green)}.hero-grid{display:grid;grid-template-columns:1fr 250px;gap:65px;margin:36px 0 40px}h1,h2,h3{font-family:Georgia,"Times New Roman",serif;font-weight:400}h1{font-size:clamp(48px,6.8vw,88px);line-height:1.01;letter-spacing:-.055em;margin:8px 0 30px}h1 em{color:var(--green);font-weight:400}h2{font-size:clamp(32px,4vw,45px);line-height:1.15;letter-spacing:-.03em;margin:10px 0 24px}h3{font-size:25px;line-height:1.25;margin:8px 0 14px}.standfirst{font-size:20px;line-height:1.65;max-width:730px;color:#4b5147}.publication-meta{border-left:1px solid var(--line);padding-left:28px;padding-top:14px;font-size:13px}.publication-meta dl{margin:0}.publication-meta dt{font:10px ui-monospace,monospace;color:var(--muted);text-transform:uppercase;letter-spacing:.09em;margin-bottom:4px}.publication-meta dd{margin:0 0 22px}.button{display:inline-flex;padding:12px 17px;background:var(--ink);color:var(--paper);font-size:12px;text-decoration:none}.button:hover{background:var(--green);color:white}.snapshot{border-left:2px solid var(--accent);padding:10px 20px;font-size:13px;color:var(--muted);max-width:840px;margin-bottom:36px}.overview{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:56px}.overview div{padding:24px 26px 24px 0}.overview div+div{border-left:1px solid var(--line);padding-left:26px}.overview strong{display:block;font:400 34px/1.2 Georgia,serif;letter-spacing:-.02em;margin-bottom:10px}.overview span{font-size:12px;line-height:1.6;color:var(--muted);display:block}.layout{display:grid;grid-template-columns:200px minmax(0,1fr);gap:64px;align-items:start}.contents{position:sticky;top:100px;font-size:12px;padding-bottom:24px}.contents p{font:10px ui-monospace,monospace;letter-spacing:.1em;color:var(--muted);text-transform:uppercase}.contents a{display:block;padding:8px 0;text-decoration:none;border-bottom:1px solid var(--line)}article{min-width:0}article section{padding:0 0 55px;margin-bottom:32px;border-bottom:1px solid var(--line)}article p{max-width:76ch}article li{margin-bottom:12px}article ul,article ol{padding-left:22px}figure{margin:30px 0;background:#ebece3;border:1px solid var(--line);padding:22px}.figure-label{color:var(--green);margin-bottom:16px;display:block}figure img{display:block;width:100%;height:auto}figcaption{font-size:12px;line-height:1.7;color:var(--muted);padding-top:18px;border-top:1px solid var(--line);margin-top:16px}.figure-scroll{overflow-x:auto}.figure-scroll img{min-width:520px}.callout{padding:25px 28px;background:var(--wash);border-left:3px solid var(--green);margin:28px 0}.callout p{margin:0}.callout strong{display:block;margin-bottom:9px}.table-scroll{overflow-x:auto;margin:28px 0}table{border-collapse:collapse;width:100%;font-size:13px;text-align:left}caption{text-align:left;font-size:12px;color:var(--muted);padding-bottom:12px}th{font:10px/1.6 ui-monospace,monospace;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);white-space:nowrap}td,th{padding:15px 12px;border-bottom:1px solid var(--line)}td:first-child,th:first-child{padding-left:0}td{font-variant-numeric:tabular-nums}.numeric{white-space:nowrap}.formula{font:22px/1.7 Georgia,serif;padding:26px;background:var(--wash);text-align:center}.cards{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:28px 0}.mini{border-top:2px solid var(--green);padding:22px 0}.mini p{font-size:14px;color:var(--muted)}.mini h3{font-size:23px}.source-note{font-size:12px;color:var(--muted)}details{border-top:1px solid var(--line);padding:18px 0}summary{cursor:pointer;font-weight:600;font-size:14px}details p{font-size:14px}.related{padding:32px;background:var(--ink);color:var(--paper);margin:0 0 60px}.related .eyebrow{color:#c7cdbb}.related a{font:30px/1.3 Georgia,serif;text-decoration:none;display:block;max-width:650px}.related a:hover{color:#e4b69f}.sources dl{font-size:13px}.sources dt{font-weight:600}.sources dd{margin:6px 0 22px;overflow-wrap:anywhere}.site-foot{border-top:1px solid var(--line);padding:32px 0;font-size:12px;color:var(--muted)}.site-foot .wrap{display:flex;justify-content:space-between;gap:24px}.site-foot a{margin-left:20px}@media(max-width:960px){.hero-grid{grid-template-columns:1fr 210px;gap:30px}.layout{grid-template-columns:150px minmax(0,1fr);gap:30px}.brand span{display:none}}@media(max-width:700px){.head-inner,.wrap{padding-left:22px;padding-right:22px}.site-head nav{gap:16px}.site-head nav a:first-child{display:none}.hero{padding-top:36px}.hero-top{flex-direction:column;gap:8px}.hero-grid{grid-template-columns:1fr;gap:24px;margin-top:20px}h1{font-size:52px}.standfirst{font-size:18px}.publication-meta{border-left:0;border-top:1px solid var(--line);padding:22px 0 0}.publication-meta dl{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.overview{grid-template-columns:1fr}.overview div{padding:20px 0;display:grid;grid-template-columns:110px 1fr;gap:18px;align-items:center}.overview div+div{padding-left:0;border-left:0;border-top:1px solid var(--line)}.overview strong{font-size:28px;margin:0}.layout{display:block}.contents{position:static;margin-bottom:35px}.contents a{display:inline-block;border:1px solid var(--line);padding:8px 12px;margin:0 4px 8px 0}.cards{grid-template-columns:1fr;gap:0}figure{padding:14px;margin-left:-4px;margin-right:-4px}.formula{font-size:18px;padding:20px 12px}.site-foot .wrap{display:block}.site-foot nav{margin-top:16px}.site-foot a{margin:0 20px 0 0}.snapshot{padding-right:0}.related{padding:24px}.related a{font-size:26px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}@media print{.site-head,.contents,.site-foot,.related{display:none}.layout,.hero-grid{display:block}.wrap{max-width:none}.publication-meta{border:0}.hero{padding-top:0}figure,.callout,table{break-inside:avoid}h1{font-size:44px}article section{padding-bottom:15px;margin-bottom:20px}a{color:inherit}}
h1{overflow-wrap:anywhere}@media(max-width:360px){h1{font-size:44px}.head-inner{gap:12px}.site-head nav{gap:12px;font-size:11px}}
figure{background:#faf9f6;border-color:#d8d5cc}.figure-label{color:#c23d20}.formula{overflow-wrap:anywhere}.hero-grid>div{min-width:0}
.visual-atlas{margin:0 0 80px}.visual-panel{padding:32px 36px;margin:22px 0 28px}.visual-title{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;margin-bottom:18px}.visual-title h2{font:600 21px/1.4 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;letter-spacing:-.02em;margin:0}.visual-badge{flex-shrink:0;border:1px solid #e2a08e;padding:5px 10px;color:#c23d20;font:11px/1.5 ui-monospace,monospace;text-transform:uppercase;letter-spacing:.03em}.visual-panel img{max-height:660px}.visual-panel figcaption{font-size:13px;padding-top:20px}.visual-atlas .figure-scroll img{min-width:600px}@media(max-width:700px){.visual-panel{padding:20px 16px}.visual-title{flex-direction:column;gap:12px}.visual-title h2{font-size:20px}.visual-badge{font-size:10px}.visual-atlas{margin-bottom:48px}}