:root{--paper:#f8faf8;--white:#fff;--ink:#182b31;--muted:#617074;--blue:#3458da;--coral:#c76b44;--green:#467b68;--line:#dce3e0;--serif:'Newsreader',Georgia,serif;--sans:'DM Sans',system-ui,-apple-system,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:var(--ink);background:var(--paper);font:15px/1.7 var(--sans);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,input,select,summary{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default}[hidden]{display:none!important}::selection{background:#dce5fc;color:var(--ink)}:focus-visible{outline:3px solid var(--blue);outline-offset:5px}.wrap{width:min(1160px,calc(100% - 64px));margin-inline:auto}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;z-index:200;left:16px;top:-90px;background:var(--ink);color:white;padding:12px 20px;border-radius:5px}.skip-link:focus{top:12px}svg{fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.eyebrow{display:block;color:var(--blue);font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.14em}.mini-mono{font:10px/1.6 ui-monospace,SFMono-Regular,monospace;letter-spacing:.09em;color:var(--muted)}.section{padding:104px 0;border-top:1px solid var(--line)}h1,h2,h3,h4,p{margin:0}h2{font:400 clamp(38px,4.1vw,57px)/1.07 var(--serif);letter-spacing:-.035em;margin-top:20px}h2 em{color:var(--blue);font-weight:400}h3{font-weight:500}p{color:var(--muted)}.section-heading{display:grid;grid-template-columns:1fr .76fr;gap:100px;align-items:end;margin-bottom:52px}.section-deck{font-size:16px;line-height:1.8;max-width:480px}.text-link{display:inline-flex;align-items:center;gap:14px;font-size:12px;font-weight:600;color:var(--ink);padding:5px 0;border:0;border-bottom:1px solid #a4b1b5;background:transparent}.text-link:hover{color:var(--blue);border-color:var(--blue)}.source-note{font-size:11px;line-height:1.7;color:#778487;margin-top:25px}.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:47px;padding:10px 20px;border-radius:6px;border:1px solid var(--line);font-size:13px;font-weight:500;transition:background .18s,transform .18s}.button:hover{transform:translateY(-2px)}.button svg{width:19px;height:19px}.button.primary{background:var(--blue);color:#fff;border-color:var(--blue)}.button.primary:hover{background:#2949c0}.button.secondary{background:#fff;color:var(--ink)}.button.secondary:hover{border-color:#a4b7d5}
/* Navigation */
.site-header{position:sticky;top:0;z-index:50;background:rgba(248,250,248,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(16px)}.nav-row{height:75px;display:flex;align-items:center;justify-content:space-between;gap:25px}.brand{display:flex;align-items:center;gap:11px;font-size:15px;font-weight:600;letter-spacing:-.02em;line-height:1.2}.brand-note{display:block;font-size:8px;letter-spacing:.16em;font-weight:500;color:var(--muted);margin-top:5px}.brand-mark{display:grid;grid-template-columns:10px 10px;gap:4px;padding:3px}.brand-mark i{width:10px;height:10px;border-radius:2px;background:var(--blue)}.brand-mark i:nth-child(2),.brand-mark i:nth-child(3){background:#9aaeda}.brand-mark i:last-child{border-radius:50%;background:var(--coral)}nav{display:flex;align-items:center;gap:26px}nav a{font-size:11px;color:var(--muted)}nav a:hover,nav a[aria-current]{color:var(--blue)}nav .nav-paper{padding:9px 15px;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:5px}nav .nav-paper span{margin-left:8px}.reading-progress{position:absolute;inset:auto 0 -1px;height:2px}.reading-progress span{display:block;width:0;height:2px;background:var(--blue)}.menu-toggle{display:none;border:0;background:none;padding:10px}.menu-toggle span{display:block;width:21px;height:1.5px;background:var(--ink);margin:5px 0}
/* Paper header */
.hero{padding-top:66px;padding-bottom:42px;text-align:center;position:relative}.hero:before{content:'';position:absolute;top:0;left:8%;right:8%;height:510px;z-index:-1;background:radial-gradient(ellipse at 50% 0,rgba(219,230,248,.6),transparent 68%)}.hero-label{display:inline-flex;align-items:center;gap:9px;border:1px solid #dfe5ef;background:#f2f5fc;padding:6px 12px;border-radius:30px;font-size:9px;letter-spacing:.09em}.status-dot{height:5px;width:5px;border-radius:50%;background:var(--blue)}.label-year{margin-left:5px;color:#8190a5;border-left:1px solid #ccd7e7;padding-left:10px}.hero h1{font:400 clamp(72px,9vw,120px)/1.05 var(--serif);letter-spacing:-.055em;margin-top:22px}.hero h1>span:first-child{color:var(--blue)}.title-period{color:var(--coral)}.paper-subtitle{font:400 clamp(22px,2.3vw,32px)/1.4 var(--serif);color:#354c58;letter-spacing:-.02em;margin-top:2px}.hero-deck{font-size:15px;line-height:1.8;margin:21px auto 0;color:#60727a;max-width:730px}.hero-deck strong{color:var(--ink);font-weight:500}.author-list{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:7px 13px;margin-top:26px;font-size:13px;color:var(--blue)}sup{font-size:8px;margin-left:3px;position:relative;top:-.1em;color:var(--blue)}.author-separator{color:#a3b1bf}.author-note{font-size:9px;color:#8a979f;margin-top:5px}.affiliations{display:flex;justify-content:center;flex-wrap:wrap;gap:3px 20px;max-width:990px;margin:10px auto 0;font-size:10px;line-height:1.8;color:#6a7a83}.affiliations sup{margin-right:4px;margin-left:0}.hero-actions{display:flex;justify-content:center;align-items:center;gap:13px;margin-top:25px;flex-wrap:wrap}.hero-actions .text-link{margin-left:10px}.hero-meta{display:flex;justify-content:center;gap:26px;margin-top:27px;color:#849194;font-size:10px}.hero-meta b{font-size:12px;color:var(--ink);font-weight:600;margin-right:5px}.hero-meta span+span{border-left:1px solid #d2dadc;padding-left:26px}
/* Six-element visual */
.system-preview{margin-top:49px;padding:20px 29px 22px;border:1px solid #d9e2e3;border-radius:12px;text-align:left;background:#fff;box-shadow:0 12px 36px rgba(28,54,65,.035)}.preview-heading{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #edf0f1;padding-bottom:14px}.preview-heading .eyebrow{font-size:9px}.preview-flow{display:grid;grid-template-columns:1fr 36px 1.35fr 36px 1.2fr 36px 1fr;align-items:center;gap:9px;padding:27px 7px 20px;text-align:center}.preview-flow h3{font-size:13px;font-weight:600;letter-spacing:-.02em;margin-top:12px}.preview-flow p{font-size:10px;line-height:1.7;margin-top:5px}.node-letter{display:inline-grid;place-items:center;width:24px;height:24px;border-radius:6px;font-size:11px;font-weight:600}.coral{background:#fcf0e9;color:#a55835}.green{background:#eaf5ed;color:#41715b}.purple{background:#f1eefb;color:#7a62a3}.blue{background:#eaf0ff;color:var(--blue)}.flow-arrow{color:#9caab3;font-size:24px;font-weight:400}.preview-engine{background:linear-gradient(130deg,#f2f6ff,#f6f8fb);border:1px solid #dfe7f4;padding:18px 5px;border-radius:8px}.engine-symbol{display:flex;justify-content:center;gap:13px;align-items:center;color:var(--blue)}.engine-symbol span{display:grid;place-items:center;height:39px;width:39px;border:1px solid #b8caf1;border-radius:50%;background:#fff;font:400 24px var(--serif)}.engine-symbol i{font-style:normal;color:#93a3b3}.object-icons{display:flex;justify-content:center;gap:12px;margin:10px 0 0;color:#68897a}.object-icons svg{width:23px;height:25px;stroke-width:1.2}.preview-verification{display:flex;align-items:center;gap:12px;margin:4px 70px 0}.feedback-line{height:1px;flex:1;background:#d7e2ef}.verification-label{display:flex;align-items:center;gap:9px;font-size:10px;color:#7c8a96}.verification-label .node-letter{width:20px;height:20px;font-size:9px}.verification-label b{font-weight:500;color:#4d6b9d}.verification-label>span:last-child{color:var(--blue);font-size:20px;line-height:1}.hero-footnote{margin-top:17px;color:#809097;font-size:10px}.hero-footnote strong{font-weight:500;color:#4c626c}
/* Narrative and foundation */
.overview-section{background:#fff;padding:78px 0}.overview-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:100px}.overview-grid .section-deck{font-size:15px;margin-top:24px;max-width:290px}.overview-grid .text-link{margin-top:25px}.abstract-copy h3{font-size:12px;font-weight:700;margin-bottom:15px}.abstract-copy>p:first-of-type{font-size:13px;line-height:1.85;color:#67757a}.abstract-copy .source-note{border-top:1px solid var(--line);padding-top:15px;margin-top:20px;font-size:9px}.dimensions-grid{display:grid;grid-template-columns:1fr 1fr;gap:65px;align-items:center}.dimension{display:flex;gap:18px;padding:25px 0;border-top:1px solid var(--line)}.dimension-symbol{display:block;font:400 34px var(--serif);color:var(--blue);width:30px;flex-shrink:0;line-height:1.5}.coral-text{color:var(--coral)}.dimension .mini-mono{font-size:8px}.dimension h3{font:400 27px/1.2 var(--serif);margin:8px 0 11px;letter-spacing:-.02em}.dimension p{font-size:12px;line-height:1.85}.dimension-range{display:flex;align-items:center;gap:12px;font-size:9px;color:#687b86;margin-top:18px}.dimension-range>span:nth-child(2){font-size:20px;color:#9eabb3}.dimension-note{font-size:10px;border-top:1px solid var(--line);padding-top:18px}.axis-map{padding:25px 29px 20px;border:1px solid #e0e6e4;border-radius:10px;background:#fff}.axis-top,.axis-bottom{display:block;color:#6d7d86;font-size:8px;letter-spacing:.12em}.axis-top{text-align:left;padding:0 0 18px 12px}.axis-bottom{text-align:right;padding-top:18px}.quadrants{display:grid;grid-template-columns:1fr 1fr;border-left:1px solid #a8b6c2;border-bottom:1px solid #a8b6c2;background-image:linear-gradient(#f0f3f4 1px,transparent 1px),linear-gradient(90deg,#f0f3f4 1px,transparent 1px);background-size:22px 22px}.quadrants>div{padding:20px 17px;min-height:152px}.quadrants>div:nth-child(odd){border-right:1px dashed #d4dee2}.quadrants>div:nth-child(-n+2){border-bottom:1px dashed #d4dee2}.quadrant-dot{display:block;width:7px;height:7px;border-radius:50%;margin-bottom:11px}.coral-dot{background:var(--coral)}.blue-dot{background:var(--blue)}.gray-dot{background:#84979c}.green-dot{background:var(--green)}.quadrants h4{font-size:11px;line-height:1.6;font-weight:500}.quadrants p{font-size:9px;line-height:1.7;margin-top:6px}.axis-caption{display:block;text-align:center;font-size:8px;color:#9ca6ab;margin-top:20px}.formalization{display:grid;grid-template-columns:1.08fr 1fr;gap:70px;border-block:1px solid var(--line);padding:34px 0;margin-top:54px}.formalization .eyebrow{font-size:8px}.formalization h3{font:400 23px/1.3 var(--serif);margin-top:12px}.formalization p{font-size:12px;line-height:1.8;margin-top:10px}.formal-equations{display:flex;flex-direction:column;justify-content:center;gap:10px}.equation{font:400 25px/1.2 var(--serif);color:#426079;display:flex;align-items:center;justify-content:center;gap:15px}.equation-arrow{position:relative;display:inline-flex;flex-direction:column;align-items:center;line-height:1}.equation-arrow small{font-size:12px}.formal-equations p{font-size:8px;text-align:center;margin-top:5px}.paper-figure{margin:43px 0 0;padding:20px;background:#fff;border:1px solid var(--line);border-radius:8px}.paper-figure img{display:block;width:100%;height:auto;max-width:830px;margin:auto}.paper-figure figcaption{display:flex;justify-content:space-between;gap:25px;align-items:center;font-size:10px;color:#697a82;padding:17px 0 0;border-top:1px solid #e9eeec;margin-top:17px}.paper-figure figcaption b{font-weight:600;color:#3c535c}.figure-hint{font-size:8px;color:#8b989e;white-space:nowrap}.figure-expand{display:block;cursor:zoom-in}
/* Work form selector */
.tinted-section{background:#eef2f5}.work-tabs{display:grid;grid-template-columns:repeat(5,1fr);border-bottom:1px solid #cbd7de;gap:5px}.work-tab{position:relative;border:0;border-bottom:3px solid transparent;background:transparent;text-align:left;padding:17px 15px 22px;color:#65747d;transition:background .2s}.work-tab:hover{background:#e7edf5}.work-tab.active{border-color:var(--blue);background:#e5ecfa;color:var(--blue)}.tab-number{font:11px ui-monospace,monospace;display:block;margin-bottom:13px;opacity:.65}.tab-title{display:block;font-size:14px;font-weight:600}.tab-short{display:block;font-size:9px;margin-top:8px;line-height:1.65;color:#7b8a94;max-width:140px}.tab-arrow{position:absolute;right:15px;top:13px;font-size:16px;color:#acb7be}.work-tab.active .tab-arrow{color:var(--blue)}.work-panel{display:grid;grid-template-columns:1.1fr 1fr;gap:70px;padding:42px 0 0;min-height:300px}.work-panel-copy .eyebrow{font-size:9px}.work-panel-copy h3{font:400 33px/1.1 var(--serif);letter-spacing:-.025em;margin-top:16px;max-width:440px}.work-panel-copy p{font-size:12px;line-height:1.85;margin-top:17px;max-width:470px}.work-panel-copy .text-link{font-size:10px;margin-top:20px}.work-example{border:1px solid #d6dfe6;background:rgba(255,255,255,.7);border-radius:8px;padding:25px 30px;align-self:start}.work-example .mini-mono{font-size:8px}.work-example>p{font:400 23px/1.35 var(--serif);margin:15px 0;color:#425b67}.example-output{font-size:10px;color:var(--blue);border-bottom:1px solid #dfe6eb;padding-bottom:17px}.example-resources{margin-top:15px;display:flex;flex-direction:column;gap:5px}.example-resources span{font-size:8px;color:#82909a}.example-resources b{font-size:10px;font-weight:500}.figure-details{border-top:1px solid #d4dee3;margin-top:32px}.figure-details summary{display:flex;align-items:center;justify-content:space-between;cursor:pointer;font-size:11px;color:#657e8e;padding:16px 0;list-style:none}.figure-details summary::-webkit-details-marker{display:none}.figure-details summary span{font-size:19px}.figure-details[open] summary span{transform:rotate(45deg)}.figure-details .paper-figure{margin-top:0}
/* Capabilities */
.capability-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}.capability{position:relative;padding:31px 29px 30px 0;border-bottom:1px solid var(--line);min-height:255px}.capability:nth-child(3n+2),.capability:nth-child(3n+3){padding-left:29px;border-left:1px solid var(--line)}.capability-index{font:10px ui-monospace,monospace;color:#99a8b0}.capability h3{font:400 27px/1.1 var(--serif);letter-spacing:-.03em;margin-top:18px;max-width:310px;color:#344f60}.capability h4{font-size:11px;font-weight:500;margin-top:17px}.capability p{font-size:11px;line-height:1.85;margin-top:8px}.capability-tags{display:block;font-size:8px;letter-spacing:.02em;color:#8f9da4;margin-top:20px}
/* Optimization */
.optimization-section{background:#192f39;color:#eff4f5;border-color:#192f39}.optimization-section .eyebrow{color:#95b6f6}.optimization-section h2 em{color:#a4bdf7}.optimization-section p{color:#a5b8c3}.optimization-section .section-deck{color:#b6c5ca}.optimization-path{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:19px 23px;border:1px solid #40535e;border-radius:6px;font-size:11px;color:#aebfcc;margin-bottom:26px}.optimization-path>i{font-style:normal;color:#78949f}.optimization-path>span:last-child{color:#b7caf4}.optimization-path>span:last-child i{font-style:normal;margin-left:14px}.optimization-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}.optimization-grid article{padding:25px;border:1px solid #3a505b;border-radius:7px;background:#213942}.optimization-symbol{display:block;color:#a0b9ea;font:400 35px/1.2 var(--serif);margin-bottom:22px}.optimization-grid article:nth-child(2) .optimization-symbol{color:#9bc9b2}.optimization-grid article:nth-child(3) .optimization-symbol{color:#d8b09b}.optimization-grid .mini-mono{font-size:8px;color:#8da7b4;letter-spacing:.07em}.optimization-grid h3{font:400 30px/1.12 var(--serif);letter-spacing:-.025em;margin-top:13px}.optimization-grid p{font-size:11px;line-height:1.8;margin-top:16px}.optimization-grid ul{list-style:none;margin:23px 0 0;padding:0;color:#c2cfd3;font-size:10px}.optimization-grid li{padding:6px 0;border-top:1px solid #38515b}.optimization-grid li:before{content:'+';margin-right:9px;color:#6e8d9a}.optimization-takeaway{display:flex;align-items:center;gap:17px;margin-top:28px}.optimization-takeaway>span{font:30px var(--serif);color:#aac3f2}.optimization-takeaway p{font-size:10px}.optimization-takeaway b{color:#d1dfed;font-weight:500}.optimization-section .figure-details{border-color:#415761}.optimization-section summary{color:#a5b9c4}
/* Evaluation */
.evidence-chain{display:flex;align-items:center;justify-content:space-between;gap:12px;background:#edf2fa;padding:26px 24px;border-radius:7px}.evidence-chain>div{display:flex;flex-direction:column;gap:6px}.evidence-chain>div>span{font:9px ui-monospace,monospace;color:#98a9bf}.evidence-chain b{font-size:11px;color:#375474;font-weight:500}.evidence-chain small{font-size:8px;color:#8393a9}.evidence-chain>i{font-style:normal;color:#9badc8}.evaluation-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;margin-top:38px}.evaluation-letter{font:400 29px var(--serif);color:var(--coral);display:block;border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:16px}.evaluation-grid h3{font:400 25px var(--serif)}.evaluation-grid p{font-size:11px;line-height:1.8;margin-top:10px}.evaluation-grid article>span:last-child{display:block;font-size:8px;color:#8e9da5;margin-top:16px}.evaluation-callout{display:grid;grid-template-columns:170px 1fr;gap:25px;background:#f5eee8;border-left:2px solid #c99470;padding:20px 26px;margin-top:37px}.evaluation-callout b{color:#a17656;font-size:11px;font-weight:500}.evaluation-callout p{font-size:11px;line-height:1.8;color:#877b70}
/* Resources */
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/* Future and citation */
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/* Larger navigation and publication metadata. */
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.brand-note{font-size:10px}
nav a{font-size:15px}
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.author-list{font-size:18px;gap:8px 17px}
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.hero-actions .text-link{font-size:15px}
.hero-meta{font-size:14px;gap:26px}
.hero-meta b{font-size:17px;margin-right:7px}
.footer-main .brand-note{font-size:9px;letter-spacing:.1em}
.footer-main>div{font-size:14px}
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@media(max-width:1050px){nav{gap:17px}nav a{font-size:14px}.brand{font-size:18px}}
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@media(max-width:480px){.author-list{font-size:15px;gap:6px 12px}.affiliations{font-size:12px;gap:5px 12px}.hero-actions .button{font-size:14px;min-height:48px;padding:11px 16px}.hero-actions .text-link{font-size:13px}.hero-meta{font-size:11px;gap:9px 13px}.hero-meta b{font-size:14px;margin-right:5px}.hero-meta span+span{padding-left:13px}.footer-main>div{font-size:12px}.footer-main .brand-note{font-size:7px}.footer-bottom{font-size:10px}}

/* Confirmed author list, contribution roles, and eight affiliations. */
.author-list{max-width:1080px;margin-inline:auto;gap:10px 24px}
.author-list .author{white-space:nowrap}
.author-note{display:flex;justify-content:center;flex-wrap:wrap;gap:7px 22px}
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@media(max-width:480px){.author-list{gap:9px 17px}.author-note{gap:5px 15px}}