@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Libre+Caslon+Display&display=swap');
:root{--navy:#101f38;--ink:#16253a;--muted:#5c6879;--line:#dce1e8;--paper:#fff;--accent:#b54825;--pale:#f3f6fa;--serif:'Libre Caslon Display',Georgia,serif;--sans:'DM Sans',Arial,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 var(--sans);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}a:focus-visible,summary:focus-visible{outline:3px solid #d36032;outline-offset:6px}a:hover{color:var(--accent)}.wrap{width:min(1256px,calc(100% - 96px));margin:auto}.header{border-bottom:1px solid var(--line)}.nav{min-height:105px;display:flex;align-items:center;gap:36px}.brand{display:flex;align-items:center;gap:16px}.monogram{font-size:33px;font-weight:700;letter-spacing:-2px;line-height:1}.monogram span{font-size:20px;vertical-align:top;color:var(--accent);margin-left:3px;letter-spacing:0}.brand-name{font-size:12px;line-height:1.5;letter-spacing:1.3px;border-left:1px solid var(--line);padding-left:16px}.nav nav{display:flex;gap:32px;margin-left:auto;font-size:14px}.edition{font-size:12px;letter-spacing:1.1px;color:var(--muted);margin-left:35px}.intro{display:grid;grid-template-columns:1.15fr 1fr;gap:75px;padding-top:66px;padding-bottom:66px;align-items:center}.eyebrow{font-size:12px;font-weight:600;letter-spacing:1.8px;margin:0 0 20px;line-height:1.5}.intro .eyebrow{display:flex;align-items:center;gap:12px}.accent-line{height:2px;width:28px;background:var(--accent)}h1,h2,h3,p,figure{margin-top:0}h1{font:clamp(3.3rem,5.35vw,5.2rem)/1.02 var(--serif);letter-spacing:-1.7px;margin-bottom:26px}h1 em{color:var(--accent);font-weight:400}.lead{font-size:18px;max-width:480px;line-height:1.65;margin-bottom:14px}.intro-note{color:var(--muted);max-width:480px;line-height:1.7;font-size:15px;margin-bottom:27px}.primary-link{display:inline-flex;gap:34px;align-items:center;background:var(--navy);color:white;padding:12px 19px;font-size:14px}.primary-link:hover{background:#263e5e;color:white}.geometry{margin:0;background:var(--navy);color:white;padding:26px 28px 23px;min-width:0}.figure-top{display:flex;justify-content:space-between;align-items:center;font-size:12px;letter-spacing:1.4px;color:#bac8dc}.figure-top span:last-child{font-family:Georgia,serif;font-size:25px;color:#eef2f8;letter-spacing:0}.geometry svg{width:100%;display:block;margin:17px 0 22px;font-family:var(--sans)}.coordinate{display:flex;align-items:center;gap:13px;font-size:12px;color:#bdcbe0}.coordinate-track{height:2px;flex:1;background:linear-gradient(90deg,#a6bedf,#ee895f);position:relative}.coordinate-track i{width:9px;height:9px;display:block;background:#fff;border-radius:50%;position:absolute;left:58%;top:-3.5px}.geometry figcaption{margin-top:22px;padding-top:19px;border-top:1px solid #35425a;line-height:1.6;font-size:15px}.geometry figcaption span{font-size:12px;color:#a9b7cc}.principle-strip{border-top:1px solid 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span{display:block;font:12px/1.5 var(--sans);letter-spacing:.8px;margin-top:12px;max-width:96px}.paper-meta{display:flex;flex-wrap:wrap;gap:15px;font-size:12px;line-height:1.4;color:var(--muted);margin-bottom:12px}.paper-meta span:first-child{color:var(--accent);font-weight:600;letter-spacing:1px}.paper h3{font:30px/1.15 var(--serif);margin-bottom:7px;max-width:720px}.subtitle{font-size:15px;color:var(--muted);margin-bottom:14px;line-height:1.5}.finding{max-width:705px;margin-bottom:14px;font-size:16px;line-height:1.7}.paper-aside{display:flex;align-items:start;flex-direction:column;padding-top:2px;gap:20px}.status{font-size:12px;line-height:1.4;letter-spacing:1px;background:#edf2f8;padding:6px 9px;color:#42566f}.ongoing{background:#f9eee9;color:#974122}.paper-link{display:flex;gap:12px;align-items:center;border-bottom:1px solid #97a3b3;padding-bottom:5px;font-size:14px}.topic{font-size:12px;color:var(--muted);line-height:1.7;margin-top:auto}details{max-width:705px}summary{cursor:pointer;list-style:none;display:inline-flex;align-items:center;gap:14px;font-size:14px;font-weight:500;padding:5px 0}summary::-webkit-details-marker{display:none}summary span{font-size:19px;line-height:1;font-weight:400;color:var(--accent);transition:transform .2s}details[open] summary span{transform:rotate(45deg)}.abstract{background:var(--pale);margin-top:13px;padding:22px 24px;border-left:2px solid #768ca6;font-size:15px;line-height:1.8}.abstract p:last-child{margin-bottom:0}.abstract .source-note{font-size:14px;color:var(--muted)}.catalogue-note{border-top:1px solid var(--line);padding-top:19px;margin:0;color:var(--muted);font-size:12px}.framework{background:var(--navy);color:#fff;padding:57px 0 61px}.framework .eyebrow{color:#aabbcf}.framework h2{font-size:42px}.framework-grid{display:grid;grid-template-columns:repeat(3,1fr);margin-top:38px;gap:38px}.framework-grid>div{border-top:1px solid #47536a;padding-top:23px;display:flex;flex-direction:column}.framework-no{font:24px/1 var(--serif);color:#e99672;margin-bottom:18px}.framework-grid h3{font:28px/1.2 var(--serif);margin-bottom:15px}.framework-grid p{font-size:15px;line-height:1.8;color:#c1cbdc;margin-bottom:27px}.framework-label{font-size:12px;letter-spacing:1.5px;color:#aabbcf;margin-top:auto}.author{display:grid;grid-template-columns:1fr 1.5fr;gap:90px;padding-top:62px;padding-bottom:65px}.author .eyebrow{color:var(--muted);margin-bottom:12px}.author h2{margin-bottom:17px}.affiliation{color:var(--muted);font-size:14px;margin-bottom:0}.author-copy{padding-top:8px;font-size:17px}.author-copy p{margin-bottom:18px}.author-copy .coauthor{font-size:14px;color:var(--muted)}.author-links{display:flex;gap:26px;font-size:14px;margin-top:25px}.author-links a{border-bottom:1px solid #a6b0bf;padding-bottom:3px}.footer{border-top:1px solid var(--line)}.footer-inner{display:flex;gap:30px;justify-content:space-between;padding-top:23px;padding-bottom:23px;font-size:12px;color:var(--muted);letter-spacing:.6px}.skip{position:absolute;left:15px;top:-100px;padding:10px;background:white;z-index:10}.skip:focus{top:10px}@media(min-width:1500px){.intro{padding-top:75px;padding-bottom:75px}}@media(max-width:1100px){.wrap{width:calc(100% - 64px)}.edition{display:none}.intro{gap:38px}.paper{grid-template-columns:80px minmax(0,1fr) 170px;gap:20px}.principle-inner{gap:20px}.principle-inner p{font-size:22px}.coordinate{font-size:12px;gap:8px}.geometry{padding:22px}.author{gap:50px}}@media(max-width:760px){.wrap{width:calc(100% - 40px)}.nav{min-height:83px;gap:20px;flex-wrap:wrap;padding-top:18px;padding-bottom:18px}.brand-name{font-size:12px}.nav 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h2{font-size:36px}.framework-grid{grid-template-columns:1fr;gap:25px;margin-top:26px}.framework-grid p{margin-bottom:18px}.framework-no{margin-bottom:15px}.author{grid-template-columns:1fr;gap:22px;padding-top:40px;padding-bottom:40px}.author-copy{font-size:16px}.footer-inner{flex-wrap:wrap;gap:12px 22px}.footer-inner span:first-child{flex-basis:100%}.footer-inner a{margin-left:auto}}@media(max-width:390px){.brand-name{display:none}.nav nav{gap:16px}h1{font-size:3.4rem}.geometry{padding:18px}.figure-top{font-size:12px}.coordinate{font-size:12px}.author-links{flex-wrap:wrap;gap:14px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}summary span{transition:none}}

html.embedded .header,html.embedded .footer{display:none}html.embedded .intro{padding-top:36px}html.embedded body{margin:0}html.embedded .wrap{width:min(1256px,calc(100% - 40px))}.author-links{flex-wrap:wrap}

.return-nav{padding-top:14px;padding-bottom:0;font-size:14px;line-height:1.5}.return-nav a{display:inline-flex;align-items:center;min-height:32px;color:var(--muted)}.return-nav a:hover{color:var(--accent)}