:root{--paper:#f6f4ec;--ink:#242b28;--muted:#5d665c;--line:#d8d9cd;--accent:#a23c2a;--olive:#626a45;--blue:#456b7b;--surface:#eceee4;--sans:"DM Sans Variable", sans-serif;--serif:"Newsreader Variable", Georgia, serif;--mono:"IBM Plex Mono", monospace;--space:24px;color-scheme:light;font-family:var(--sans);color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:32px}body{margin:0}a{color:inherit;text-decoration:none}button,input,select{font:inherit;color:inherit}button,a,summary,input,select{-webkit-tap-highlight-color:transparent}button,summary{cursor:pointer}button{background:0 0;border:0}a:hover{color:var(--accent)}:focus-visible{outline:2px solid var(--accent);outline-offset:5px}::selection{color:var(--ink);background:#dbd8b9}[hidden]{display:none!important}.shell{max-width:1408px;margin-inline:auto;padding-inline:64px}.site-header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:36px;min-height:112px;display:flex}.identity{white-space:nowrap;align-items:center;gap:18px;font-size:13px;font-weight:600;display:flex}.identity small{letter-spacing:.02em;color:var(--muted);margin-top:5px;font-size:11px;font-weight:400;display:block}.monogram{font-family:var(--serif);letter-spacing:-3px;font-size:40px;font-style:italic;font-weight:500}.monogram>span{font-family:var(--sans);color:var(--accent);vertical-align:top;letter-spacing:0;margin-left:5px;font-size:23px;font-style:normal}.desktop-nav{align-items:center;gap:27px;font-size:13px;display:flex}.desktop-nav a{padding-block:12px}.desktop-nav a[aria-current]{color:var(--accent);text-underline-offset:7px;text-decoration:underline}.header-tools{align-items:center;gap:16px;display:flex}.search-trigger{align-items:center;gap:12px;display:flex}.search-trigger svg{fill:none;stroke:currentColor;stroke-width:1.4px}.search-trigger kbd{color:var(--muted);border:1px solid var(--line);font-size:10px;font-family:var(--mono);padding:4px}.mobile-nav{display:none}.eyebrow,.micro,.kind{font-family:var(--mono);letter-spacing:.09em;text-transform:uppercase;font-size:10px;font-weight:400;line-height:1.5}.eyebrow{align-items:center;gap:12px;font-size:10px;display:inline-flex}.micro{color:var(--muted);display:block}.status-dot{background:var(--olive);border-radius:50%;width:6px;height:6px;box-shadow:0 0 0 4px #626a4510}.hero{grid-template-columns:1fr 1fr;align-items:start;gap:70px;padding-top:65px;padding-bottom:72px;display:grid}.hero-copy .eyebrow{gap:11px;width:100%;font-size:9px}.hero-edition{color:var(--muted);margin-left:auto}h1,h2,h3,h4,p{margin:0}h1,h2,h3{font-weight:450}h1{letter-spacing:-.065em;font-size:clamp(56px,6.2vw,88px);line-height:1.02}h1 em{font-family:var(--serif);letter-spacing:-.045em;font-weight:450}h2{letter-spacing:-.04em;font-size:32px;line-height:1.15}h3{letter-spacing:-.025em;font-size:21px;line-height:1.25}.hero h1{margin-top:30px}.hero h1 em{font-size:1.1em;line-height:.95}.hero-intro{color:#555f56;max-width:390px;margin-top:26px;font-size:17px;line-height:1.65}.hero-links{align-items:center;gap:28px;margin-top:29px;font-size:12px;display:flex}.text-link{white-space:normal;border-bottom:1px solid;padding-bottom:3px;font-size:12px;line-height:1.6;display:inline-block}.text-link>span{margin-left:18px}.quiet-link{color:var(--muted)}.current-question{border-left:2px solid var(--accent);max-width:440px;margin-top:45px;padding-left:18px}.current-question .micro{color:var(--accent);font-size:9px}.current-question p{font-family:var(--serif);letter-spacing:-.02em;margin:10px 0 13px;font-size:23px;line-height:1.25}.current-question a{color:var(--muted);font-size:10px}.current-question a span{margin-left:12px}.benchmark{background-color:#eceee4;background-image:linear-gradient(#82886e0a 1px,#0000 1px),linear-gradient(90deg,#82886e0a 1px,#0000 1px);background-size:20px 20px;border:1px solid #cbd0bf;min-width:0;margin-top:1px;padding:22px 25px 0;display:block}.figure-top{border-bottom:1px solid #cbd0bf;justify-content:space-between;gap:12px;padding-bottom:18px;display:flex}.figure-top .eyebrow{letter-spacing:.04em;font-size:9px}.figure-top .small{font-family:var(--serif);color:var(--muted);font-size:12px;font-style:italic}.fixed{padding:19px 0 21px}.fixed .micro{font-size:9px}.fixed>div{gap:0;margin-top:11px;display:flex}.fixed>div>span{color:var(--muted);flex:1;align-items:center;gap:8px;font-size:10px;display:flex}.fixed b{width:23px;height:25px;font:12px var(--serif);background:var(--paper);color:var(--ink);border:1px solid #bdc4af;place-items:center;display:grid}.diagram-core{grid-template-columns:68px minmax(0,1fr) 56px;align-items:stretch;min-height:304px;display:grid}.diagram-rail{align-items:center;display:flex;position:relative}.rail-label{font:8px var(--mono);writing-mode:vertical-rl;color:var(--muted);white-space:nowrap;letter-spacing:.12em;position:absolute;top:41%;left:-2px;transform:rotate(180deg)}.diagram-rail svg{stroke:#a7af98;stroke-width:1px;fill:none;width:53px;height:268px;margin-top:30px;margin-left:15px}.condition-list{border:0;flex-direction:column;gap:2px;min-width:0;margin:0;padding:0;display:flex}.condition-list legend{letter-spacing:.03em;margin:0 0 12px;padding:0;font-size:8px}.condition{cursor:pointer;border:1px solid #0000;align-items:center;gap:11px;min-height:40px;padding:8px 9px;font-size:11px;transition:background .15s,color .15s;display:flex;position:relative}.condition:hover{background:#f6f4ec8c}.condition input{opacity:0;cursor:pointer;width:100%;height:100%;margin:0;position:absolute;inset:0}.condition:has(input:focus-visible){outline:2px solid var(--accent);outline-offset:2px}.condition-dot{border:1px solid #929c80;border-radius:50%;flex:none;width:6px;height:6px}.is-selected{background:var(--paper);color:var(--accent);border-color:#bdc4af}.is-selected .condition-dot{background:var(--accent);border-color:var(--accent)}.condition-index{font:8px var(--mono);color:#858c7b;margin-left:auto}.diagram-out{align-items:center;padding-top:30px;display:flex;position:relative}.diagram-out svg{stroke:#a7af98;stroke-width:1px;fill:none;width:43px;height:268px}.diagram-out>span{background:var(--paper);font-family:var(--serif);border:1px solid #a7af98;padding:5px;font-size:20px;font-style:italic;position:absolute;top:48%;right:-8px}.reasoning-example{background:#f6f4ec9c;border-top:1px solid #cbd0bf;min-height:146px;margin-top:18px;padding:14px 15px 13px}.reasoning-example .micro{color:var(--accent);font-size:8px}.reasoning-example>p:first-of-type{font-family:var(--serif);min-height:44px;margin-top:7px;font-size:17px;line-height:1.25}.reasoning-example .small{color:var(--muted);margin-top:7px;font-size:10px;line-height:1.45}.figure-bottom{justify-content:space-between;gap:12px;padding:16px 0;font-size:10px;display:flex}.figure-bottom>span:last-child{font-family:var(--serif);color:var(--muted);font-size:15px;font-style:italic}.streams-section{border-top:1px solid var(--ink);padding-top:30px;padding-bottom:65px}.section-heading{justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px;display:flex}.section-heading .eyebrow{color:var(--muted);margin-bottom:12px;font-size:9px}.section-heading h2{font-size:29px}.section-heading .text-link{font-size:11px}.stream-grid{grid-template-columns:repeat(3,1fr);display:grid}.stream{border-left:1px solid var(--line);padding:4px 30px 0;position:relative}.stream:first-child{border-left:0;padding-left:0}.stream:last-child{padding-right:0}.stream-number{font:12px var(--mono);color:var(--accent);justify-content:space-between;margin-bottom:24px;display:flex}.stream-number>span{font-size:17px}.stream-agency{--accent:#456b7b}.stream-development{--accent:#626a45}.stream h3{margin-bottom:14px;font-size:22px}.stream p{font-family:var(--serif);max-width:300px;min-height:54px;color:var(--muted);font-size:19px;line-height:1.4}.stream-status{font:9px var(--mono);text-transform:uppercase;letter-spacing:.04em;color:var(--accent);align-items:center;gap:6px;margin-top:23px;display:flex}.notebook-section{border-top:1px solid var(--line);padding:38px 0 60px}.section-intro{font-family:var(--serif);color:var(--muted);margin-top:-12px;margin-bottom:30px;font-size:20px;line-height:1.5}.entry-row{border-top:1px solid var(--line);grid-template-columns:110px minmax(0,1fr) 105px;align-items:start;gap:25px;padding:25px 0;display:grid}.row-meta{flex-direction:column;gap:10px;padding-top:3px;display:flex}.kind{font-size:9px}.stage{font-family:var(--mono);letter-spacing:.02em;text-transform:uppercase;align-items:center;gap:6px;font-size:9px;display:inline-flex}.stage:before{content:"";border:1px solid;border-radius:50%;width:5px;height:5px}.stage.seed{color:var(--muted)}.stage.growing{color:var(--olive)}.stage.synthesized{color:var(--accent)}.stage.synthesized:before,.stage.published:before{background:currentColor}.stage.published{color:var(--blue)}.row-body h3{letter-spacing:-.025em;font-size:20px;line-height:1.3}.row-body h3 a{display:block}.row-arrow{float:right;color:var(--muted);padding-left:16px;font-size:17px;font-weight:350}.row-body p{color:var(--muted);max-width:680px;margin-top:8px;font-size:13px;line-height:1.6}.row-stream{font:9px var(--mono);color:var(--muted);margin-top:12px;display:block}.entry-row time{font:9px var(--mono);color:var(--muted);text-align:right;padding-top:7px}.editorial-note{color:var(--muted);border-left:1px solid var(--line);max-width:700px;margin-top:23px;padding-left:14px;font-size:11px;line-height:1.7}.two-column-section{border-top:1px solid var(--line);grid-template-columns:1fr 1fr;gap:72px;padding:38px 0 65px;display:grid}.two-column-section .section-heading h2{font-size:27px}.compact{grid-template-columns:76px minmax(0,1fr);gap:16px;padding-block:20px}.compact time{display:none}.compact .row-body h3{font-size:18px}.compact .row-arrow{font-size:14px}.compact .row-meta{gap:7px}.compact .row-stream{font-size:8px}.studio-now{border-top:1px solid var(--line);grid-template-columns:1fr 1.2fr .8fr;gap:45px;padding:33px 0 50px;display:grid}.studio-now h2{margin-top:12px;font-size:25px}.studio-now>p{font-family:var(--serif);font-size:20px;line-height:1.5}.studio-now>p a{font-family:var(--sans);color:var(--muted);margin-top:15px;font-size:11px;display:block}.studio-now>div:last-child{border-left:1px solid var(--line);padding-left:24px}.studio-now>div:last-child>p{margin-top:12px;margin-bottom:16px;font-size:13px;line-height:1.7}.letter-callout{background:#e8e9de;border:1px solid #d7d9c9;grid-template-columns:1fr 1fr;gap:60px;margin:18px 0 72px;padding:40px 43px;display:grid}.letter-callout .eyebrow{color:var(--olive);margin-bottom:18px;font-size:9px}.letter-callout h2{font-family:var(--serif);letter-spacing:-.03em;font-size:42px;font-weight:450;line-height:1.05}.letter-callout p{max-width:420px;font-size:14px;line-height:1.75}.letter-actions{align-items:center;gap:24px;margin-top:23px;display:flex}.button{background:var(--ink);color:var(--paper);border:1px solid var(--ink);justify-content:space-between;align-items:center;gap:28px;padding:13px 18px;font-size:12px;display:inline-flex}.button:hover{background:var(--accent);border-color:var(--accent);color:var(--paper)}.letter-callout .small{margin-top:15px;font-size:10px}.small{font-size:12px;line-height:1.6}.muted{color:var(--muted)}.site-footer{border-top:1px solid var(--line);grid-template-columns:1fr 1fr;gap:38px;padding-top:42px;padding-bottom:25px;display:grid}.footer-title{font-family:var(--serif);letter-spacing:-.02em;font-size:24px;line-height:1.25}.site-footer p{color:var(--muted);margin-top:18px;font-size:10px}.site-footer nav{grid-template-columns:repeat(3,1fr);align-content:start;gap:20px;padding-top:7px;font-size:11px;display:grid}.footer-end{border-top:1px solid var(--line);font:9px var(--mono);color:var(--muted);grid-column:1/-1;justify-content:space-between;padding-top:25px;display:flex}.page-header{max-width:1000px;padding:76px 0 65px}.page-header h1{max-width:900px;margin-top:24px;font-size:72px;line-height:1.05}.page-header>p{font-family:var(--serif);color:var(--muted);max-width:690px;margin-top:24px;font-size:25px;line-height:1.45}.page-header>.button,.page-header>.text-link{margin-top:26px}.research-index{border-top:1px solid var(--ink)}.research-index-row{border-bottom:1px solid var(--line);grid-template-columns:75px 1fr 160px 25px;align-items:start;gap:24px;padding:36px 0;display:grid}.research-index-row h2{margin-bottom:12px;font-size:31px}.research-index-row p{font-family:var(--serif);margin-bottom:12px;font-size:23px;line-height:1.4}.research-index-row .stream-status{margin-top:9px;line-height:1.8}.research-index-row .stream-number{padding-top:6px}.process-strip{font:11px var(--mono);color:var(--muted);flex-wrap:wrap;justify-content:space-between;gap:19px;padding:42px 0 80px;display:flex}.stream-description{max-width:1000px;font-family:var(--serif);grid-template-columns:1fr 1fr;gap:64px;padding-bottom:48px;font-size:23px;line-height:1.5;display:grid}.index-section{border-top:1px solid var(--line);padding:28px 0 45px}.index-section>h2{margin-bottom:25px}.index-section .entry-row:first-of-type{border-top:0}.empty-state{font-family:var(--serif);color:var(--muted);padding:30px 0;font-size:22px;line-height:1.5}.notebook-filters{border-top:1px solid var(--ink);border-bottom:1px solid var(--line);grid-template-columns:1.4fr 1.1fr .8fr 1fr auto;align-items:end;gap:18px;margin-bottom:18px;padding:24px 0;display:grid}.notebook-filters label,.full-search>label{font:9px var(--mono);text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin-bottom:9px;display:block}input[type=search],select{background:0 0;border:1px solid #bbc0b2;border-radius:0;width:100%;min-width:0;padding:12px;font-size:12px}select{min-height:43px}.reset-button{min-height:43px;padding-inline:5px;font-size:11px;text-decoration:underline}.maturity-group{border-top:1px solid var(--line);grid-template-columns:240px 1fr;gap:40px;margin-top:32px;padding-top:31px;padding-bottom:18px;display:grid}.maturity-heading h2{font-family:var(--serif);align-items:center;gap:14px;font-size:32px;display:flex}.stage-symbol{font-family:var(--sans);color:var(--olive);font-size:29px}.maturity-heading p{max-width:180px;color:var(--muted);margin-top:12px;font-size:12px;line-height:1.7}.maturity-group .entry-row{grid-template-columns:65px 1fr 85px;gap:16px}.maturity-group .entry-row:first-child{border:0;padding-top:0}.maturity-group .row-body h3{font-size:18px}.maturity-group .row-meta .stage{font-size:8px}.maturity-index{padding-bottom:65px}.publication-empty{border-top:1px solid var(--ink);max-width:820px;padding:45px 0 90px}.publication-empty h2{font-family:var(--serif);margin-top:18px;font-size:38px}.publication-empty p{color:var(--muted);max-width:600px;margin:18px 0 24px;font-size:16px;line-height:1.8}.article-shell{padding-top:55px}.article-header{max-width:970px;margin-left:220px}.article-header h1{letter-spacing:-.045em;max-width:930px;margin-top:25px;font-size:58px;line-height:1.08}.article-deck{font-family:var(--serif);color:var(--muted);max-width:760px;margin-top:25px;font-size:27px;line-height:1.4}.article-meta{font:9px var(--mono);color:var(--muted);border-top:1px solid var(--line);flex-wrap:wrap;gap:12px 24px;margin-top:30px;padding-top:20px;line-height:1.6;display:flex}.article-meta>a{color:var(--accent)}.article-tags{font:9px var(--mono);color:var(--muted);flex-wrap:wrap;gap:15px;margin-top:18px;display:flex}.draft-notice{border-left:2px solid var(--accent);max-width:760px;margin:35px 0 45px 220px;padding:3px 0 3px 18px}.draft-notice .micro{color:var(--accent);font-size:8px}.draft-notice p{color:var(--muted);margin-top:7px;font-size:11px;line-height:1.7}.article-grid{grid-template-columns:180px minmax(0,680px);align-items:start;gap:40px;padding-bottom:65px;display:grid}.article-sidebar{position:sticky;top:30px}.contents summary{font:10px var(--mono);text-transform:uppercase;margin-bottom:15px}.contents nav{flex-direction:column;gap:14px;padding-left:0;display:flex}.contents nav a{color:var(--muted);font-size:11px;line-height:1.6}.contents nav a:hover{color:var(--accent)}.sidebar-note{border-top:1px solid var(--line);margin-top:28px;padding-top:18px}.sidebar-note .micro{font-size:8px}.sidebar-note p{color:var(--muted);margin-top:10px;font-size:11px;line-height:1.8}.prose{font-family:var(--serif);overflow-wrap:break-word;min-width:0;font-size:22px;line-height:1.65}.prose p,.prose ul,.prose ol,.prose blockquote,.prose pre,.prose details,.prose figure,.prose table{margin:0 0 27px}.prose h2{font-family:var(--sans);letter-spacing:-.035em;margin:48px 0 22px;scroll-margin-top:28px;font-size:29px;line-height:1.25}.prose h2:first-child{margin-top:0}.prose h3{font-family:var(--sans);margin:32px 0 16px;font-size:21px;line-height:1.35}.prose a{color:var(--accent);text-underline-offset:4px;text-decoration:underline 1px}.prose strong{font-weight:600}.prose li{margin-bottom:7px;padding-left:5px}.prose li::marker{color:var(--accent)}.prose ul,.prose ol{padding-left:24px}.prose blockquote{border-left:2px solid var(--accent);padding:5px 0 5px 25px;font-size:27px;font-style:italic;line-height:1.4}.prose blockquote p{margin:0}.prose pre{border:1px solid var(--line);max-width:100%;padding:25px;font-size:12px;line-height:1.8;overflow-x:auto;background:#eeeee6!important}.prose code{font-family:var(--mono);font-size:.65em}.prose pre code{font-size:inherit}.prose :not(pre)>code{background:#e6e8dd;padding:3px 5px}.prose details{border-block:1px solid var(--line);padding:18px 0;font-size:20px}.prose details summary{font-family:var(--sans);cursor:pointer;font-size:13px}.prose details[open] summary{margin-bottom:20px}.prose details p:last-child{margin-bottom:0}.prose .sidenote{font:12px/1.8 var(--sans);border-left:1px solid var(--olive);background:#e8e9de;margin-block:28px;padding:20px}.prose .sidenote p{margin:0}.prose .katex-display{padding:12px 0;font-size:19px;overflow:auto hidden}.prose table{font-family:var(--sans);border-collapse:collapse;width:100%;font-size:12px;line-height:1.7;display:block;overflow-x:auto}.prose td,.prose th{border-bottom:1px solid var(--line);text-align:left;padding:12px}.references{border-top:1px solid var(--line);margin-top:45px;padding-top:30px}.references h2{margin-top:0;font-size:23px}.references li{font:13px/1.8 var(--sans);margin-bottom:15px}.article-figure{max-width:800px;margin:20px auto 55px}.article-figure .benchmark{max-width:650px;margin-inline:auto}.figure-caption{font:11px/1.8 var(--sans);color:var(--muted);margin-top:18px}.connected-section{border-top:1px solid var(--ink);padding:30px 0 65px}.connection-grid{grid-template-columns:1.2fr 1fr;gap:60px;display:grid}.connection-grid>div>h3{font-family:var(--serif);margin-bottom:25px;font-size:24px}.connection-grid>div>h3>span{font:10px var(--mono);margin-left:8px}.backlink{border-bottom:1px solid var(--line);gap:25px;padding:20px 0;font-size:14px;line-height:1.5;display:flex}.backlink .micro{min-width:45px;padding-top:3px;font-size:8px}.reading-progress{background:var(--accent);transform-origin:0;z-index:30;width:100%;height:2px;position:fixed;top:0;left:0;transform:scaleX(0)}.about-grid{grid-template-columns:minmax(0,680px) 1fr;gap:90px;padding-bottom:80px;display:grid}.about-note{border-top:1px solid var(--ink);margin-top:2px;padding-top:25px}.about-note blockquote{font-family:var(--serif);letter-spacing:-.025em;margin:25px 0 30px;font-size:38px;line-height:1.2}.full-search{max-width:900px;padding-bottom:70px}.full-search input{margin-bottom:20px;padding:20px;font-size:21px}.search-result{border-bottom:1px solid var(--line);padding:22px 0;display:block}.search-result h2{margin-top:10px;font-size:21px;line-height:1.3}.search-result p{font-family:var(--serif);color:var(--muted);margin-top:7px;font-size:19px;line-height:1.5}.search-result .micro{font-size:8px}.full-search [data-search-results]{margin-top:25px}dialog{background:var(--paper);color:var(--ink);border:1px solid #b7bfab;width:min(670px,100vw - 32px);max-height:80vh;padding:28px;box-shadow:0 20px 80px #242b2826}dialog::backdrop{backdrop-filter:blur(3px);background:#242b285c}.search-heading{justify-content:space-between;align-items:center;gap:20px;margin-bottom:25px;display:flex}.search-heading h2{font-family:var(--serif);font-size:33px}.search-heading button{font:10px var(--mono);border:1px solid var(--line);padding:8px}dialog input{margin-bottom:15px;font-size:18px!important}dialog [data-search-results]{max-height:40vh;margin-bottom:20px;overflow:auto}dialog .search-result h2{font-size:18px}dialog .search-result p{font-size:16px}dialog .search-result{padding:17px 0}#link-preview{z-index:50;background:var(--paper);pointer-events:none;border:1px solid #a7af98;width:300px;max-width:calc(100vw - 24px);padding:20px;position:fixed;box-shadow:3px 5px 20px #242b281a}#link-preview .micro{color:var(--accent);margin-bottom:9px;font-size:8px}#link-preview strong{font-family:var(--serif);font-size:23px;font-weight:500;line-height:1.2;display:block}#link-preview p{color:var(--muted);margin-top:9px;font-size:12px;line-height:1.7}.skip-link{background:var(--ink);color:#fff;z-index:100;padding:15px;position:fixed;top:8px;left:8px;transform:translateY(-200%)}.skip-link:focus{transform:none}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (width>=1600px){.hero{gap:100px}.hero h1{font-size:91px}}@media (width<=1150px){.shell{padding-inline:36px}.site-header{gap:25px}.desktop-nav{gap:19px}.identity{gap:12px;font-size:11px}.hero{gap:40px}.hero h1{font-size:73px}.hero-edition{display:none}.benchmark{padding-inline:18px}.figure-top .small{font-size:10px}.diagram-core{grid-template-columns:48px minmax(0,1fr) 40px}.diagram-rail svg{width:34px}.condition{gap:8px;padding-inline:7px;font-size:10px}.condition-list legend{font-size:7px}.figure-bottom{font-size:9px}.hero-intro{font-size:15px}.hero-links{gap:19px;font-size:11px}.two-column-section{gap:40px}.studio-now{gap:30px}.article-header,.draft-notice{margin-left:190px}.article-grid{grid-template-columns:160px minmax(0,680px);gap:30px}.article-header h1{font-size:52px}.notebook-filters{gap:12px}.maturity-group{grid-template-columns:180px 1fr;gap:24px}.letter-callout{gap:35px;padding:35px}.letter-actions{gap:18px}.letter-actions .text-link{font-size:10px}.research-index-row{grid-template-columns:50px 1fr 130px 20px}.about-grid{gap:50px}}@media (width<=900px){.desktop-nav{display:none}.mobile-nav{display:block;position:relative}.mobile-nav summary{align-items:center;gap:18px;padding:12px 0 12px 10px;font-size:12px;list-style:none;display:flex}.mobile-nav summary::-webkit-details-marker{display:none}.mobile-nav summary>span{color:var(--accent);font-size:21px}.mobile-nav[open] summary>span{transform:rotate(45deg)}.mobile-nav nav{background:var(--paper);border:1px solid var(--line);z-index:20;flex-direction:column;gap:0;width:230px;padding:18px;display:flex;position:absolute;top:48px;right:0;box-shadow:0 8px 15px #242b2810}.mobile-nav nav a{padding:12px;font-size:14px}.mobile-nav nav a[aria-current]{color:var(--accent)}.hero{grid-template-columns:1fr;gap:40px;padding-top:45px}.hero-copy{max-width:650px}.hero h1{font-size:88px}.hero h1 br:last-of-type{display:none}.hero h1 em{white-space:normal}.hero-intro{max-width:420px;font-size:17px}.hero-edition{display:inline}.current-question{margin-top:28px}.benchmark{width:100%;max-width:650px;margin-inline:auto;padding-inline:26px}.condition{font-size:13px}.condition-list legend{font-size:9px}.diagram-core{grid-template-columns:90px minmax(0,1fr) 70px}.diagram-rail svg{width:75px}.figure-top .small{font-size:12px}.reasoning-example{min-height:132px}.figure-bottom{font-size:11px}.stream-grid{gap:22px}.stream{padding-inline:20px}.stream h3{font-size:20px}.stream p{min-height:75px;font-size:18px}.entry-row{grid-template-columns:95px 1fr 90px;gap:16px}.two-column-section{grid-template-columns:1fr;gap:35px}.compact{grid-template-columns:90px 1fr}.studio-now{grid-template-columns:1fr 1.5fr}.studio-now>div:last-child{border:0;border-top:1px solid var(--line);grid-column:1/-1;padding:20px 0 0}.letter-callout{gap:30px;padding:28px}.letter-callout h2{font-size:37px}.letter-actions{flex-direction:column;align-items:start;gap:16px}.page-header h1{font-size:63px}.notebook-filters{grid-template-columns:1fr 1fr}.notebook-filters>div:first-child{grid-column:1/-1}.reset-button{justify-self:start}.maturity-group{grid-template-columns:1fr;gap:25px}.maturity-heading{align-items:center;gap:25px;display:flex}.maturity-heading p{max-width:none;margin:0}.maturity-group .entry-row{grid-template-columns:80px 1fr 90px}.article-header,.draft-notice{margin-left:0}.article-header h1{font-size:52px}.article-grid{grid-template-columns:1fr}.article-sidebar{border-block:1px solid var(--line);padding:18px 0;position:static}.contents summary{margin-bottom:0}.contents[open] summary{margin-bottom:18px}.contents nav{grid-template-columns:1fr 1fr;display:grid}.sidebar-note{display:none}.prose{width:100%;max-width:680px;margin-inline:auto}.connection-grid{gap:35px}.research-index-row{grid-template-columns:40px 1fr 20px}.research-index-row>.stream-status{grid-area:2/2;margin-top:-8px}.research-index-row>span:last-child{grid-area:1/3}.about-grid{grid-template-columns:1fr;gap:40px}.about-note{max-width:500px}.stream-description{gap:35px}}@media (width<=600px){.shell{padding-inline:22px}.site-header{gap:12px;min-height:86px}.identity{gap:10px;font-size:10px}.identity small{font-size:9px}.monogram{font-size:32px}.monogram>span{font-size:18px}.header-tools{gap:12px}.search-trigger kbd{display:none}.mobile-nav summary{gap:11px;padding-left:0;font-size:11px}.hero{gap:35px;padding-top:35px;padding-bottom:45px}.hero h1{letter-spacing:-.06em;margin-top:24px;font-size:clamp(57px,13.5vw,78px)}.hero h1 br:last-of-type{display:block}.hero-copy .eyebrow{font-size:8px}.hero-edition{font-size:7px}.hero-intro{max-width:320px;margin-top:22px;font-size:15px}.hero-links{gap:22px;margin-top:22px;font-size:11px}.hero-links .text-link{font-size:11px}.text-link>span{margin-left:7px}.current-question{margin-top:30px;padding-left:15px}.current-question p{max-width:330px;font-size:23px}.current-question a{font-size:9px}.benchmark{padding:17px 15px 0}.figure-top{align-items:center;gap:8px;padding-bottom:14px}.figure-top .eyebrow{font-size:8px}.figure-top .small{text-align:right;max-width:90px;font-size:10px;line-height:1.2}.fixed{padding:16px 0}.fixed>div>span{gap:6px;font-size:9px}.fixed b{width:20px;height:22px}.diagram-core{grid-template-columns:35px minmax(0,1fr) 34px}.diagram-rail svg{width:24px;margin-left:10px}.rail-label{font-size:6px;left:-3px}.condition{gap:9px;min-height:40px;padding:8px 7px;font-size:10px}.condition-list legend{letter-spacing:.01em;font-size:7px}.condition-index{font-size:7px}.diagram-out svg{width:30px}.diagram-out>span{padding:3px;font-size:17px;right:-5px}.reasoning-example{min-height:166px;padding:12px}.reasoning-example>p:first-of-type{min-height:46px;font-size:18px}.reasoning-example .small{font-size:10px}.figure-bottom{gap:8px;padding:14px 0;font-size:9px}.figure-bottom>span:last-child{font-size:13px}.streams-section{padding-top:25px;padding-bottom:30px}.section-heading{gap:18px;margin-bottom:24px}.section-heading .eyebrow{margin-bottom:12px;font-size:8px}.section-heading h2{font-size:26px}.section-heading .text-link{flex:none;max-width:75px;font-size:10px}.stream-grid{grid-template-columns:1fr;gap:0}.stream,.stream:first-child,.stream:last-child{border-left:0;border-top:1px solid var(--line);padding:24px 0}.stream:first-child{border-top:0;padding-top:5px}.stream-number{margin-bottom:15px;font-size:11px}.stream h3{margin-bottom:9px;font-size:24px}.stream p{max-width:320px;min-height:0;font-size:21px}.stream-status{margin-top:15px}.notebook-section{padding-top:28px;padding-bottom:38px}.section-intro{margin-top:-8px;margin-bottom:24px;font-size:20px}.entry-row{grid-template-columns:1fr auto;gap:10px 16px;padding:23px 0}.row-meta{flex-direction:row;grid-area:1/1;align-items:center;gap:15px}.row-body{grid-area:2/1/auto/-1}.entry-row time{grid-area:1/2;padding-top:3px;font-size:8px}.row-body h3{font-size:21px}.row-body p{margin-top:9px;font-size:12px;line-height:1.7}.row-stream{margin-top:10px;font-size:8px}.kind,.stage{font-size:8px}.editorial-note{font-size:10px}.two-column-section{gap:30px;padding:30px 0 35px}.two-column-section .section-heading h2{font-size:26px}.compact{grid-template-columns:1fr;gap:11px;padding:20px 0}.compact .row-body h3{font-size:20px}.compact .row-meta{gap:16px}.studio-now{grid-template-columns:1fr;gap:25px;padding:29px 0 30px}.studio-now h2{font-size:29px}.studio-now>p{font-size:22px}.studio-now>div:last-child{grid-column:auto}.letter-callout{grid-template-columns:1fr;gap:23px;margin-bottom:43px;padding:27px 23px}.letter-callout h2{font-size:41px}.letter-callout p{font-size:13px}.letter-actions{flex-direction:row;align-items:center;gap:20px}.letter-actions .button{gap:15px;padding:12px;font-size:11px}.letter-actions .text-link{font-size:10px}.site-footer{grid-template-columns:1fr;gap:30px;padding-top:30px;padding-bottom:22px}.footer-title{font-size:26px}.site-footer nav{gap:23px 13px}.footer-end{flex-direction:column;gap:12px;padding-top:22px;font-size:8px}.page-header{padding:42px 0 40px}.page-header h1{margin-top:22px;font-size:clamp(43px,11vw,60px);line-height:1.07}.page-header>p{margin-top:22px;font-size:23px;line-height:1.4}.research-index-row{grid-template-columns:26px 1fr 15px;gap:16px;padding:28px 0}.research-index-row h2{font-size:26px;line-height:1.2}.research-index-row p{font-size:22px}.research-index-row .small{font-size:12px}.process-strip{justify-content:start;gap:14px;padding-bottom:45px;font-size:10px;line-height:2}.stream-description{grid-template-columns:1fr;gap:20px;padding-bottom:32px;font-size:22px}.index-section{padding-top:25px;padding-bottom:25px}.index-section>h2{font-size:28px}.notebook-filters{gap:16px 12px;padding-block:20px}.notebook-filters>div:nth-child(2){grid-column:1/-1}.notebook-filters input,.notebook-filters select{font-size:12px}.reset-button{grid-column:1/-1;min-height:25px}.maturity-group{gap:20px;margin-top:25px;padding-top:25px}.maturity-heading{flex-direction:column;align-items:start;gap:20px}.maturity-heading h2{font-size:34px}.maturity-heading p{margin-top:-12px;font-size:12px}.maturity-group .entry-row{grid-template-columns:1fr auto;gap:12px}.maturity-group .row-body h3{font-size:21px}.maturity-group .entry-row:first-child{padding-top:5px}.maturity-index{padding-bottom:30px}.article-shell{padding-top:35px}.article-header h1{letter-spacing:-.04em;margin-top:22px;font-size:38px;line-height:1.12}.article-deck{margin-top:20px;font-size:24px;line-height:1.4}.article-meta{gap:12px 20px;margin-top:24px;font-size:8px}.article-meta>a{flex-basis:100%}.article-tags{gap:12px;font-size:8px}.draft-notice{margin-top:28px;margin-bottom:30px;padding-left:14px}.draft-notice p{font-size:10px}.article-grid{gap:30px;padding-bottom:35px}.contents nav{grid-template-columns:1fr;gap:12px}.contents nav a{font-size:12px}.prose{font-size:21px;line-height:1.65}.prose h2{margin-top:38px;font-size:27px;line-height:1.25}.prose h3{font-size:21px}.prose blockquote{padding-left:20px;font-size:25px}.prose pre{padding:17px;font-size:11px}.prose .katex-display{font-size:16px}.prose .sidenote{padding:16px;font-size:11px}.article-figure{margin-bottom:32px}.figure-caption{font-size:10px}.connection-grid{grid-template-columns:1fr;gap:35px}.connected-section{padding-top:25px;padding-bottom:35px}.connection-grid>div>h3{margin-bottom:20px;font-size:25px}.connection-grid .compact .row-body h3{font-size:19px}.backlink{gap:18px;font-size:15px}.about-grid{padding-bottom:45px}.about-note blockquote{font-size:37px}.full-search input{padding:17px;font-size:17px}.full-search{padding-bottom:40px}.search-result h2{font-size:22px}.search-result p{font-size:19px}dialog{padding:22px}.search-heading h2{font-size:28px}.search-heading button{padding:7px;font-size:9px}#link-preview{width:270px}.publication-empty{padding-block:30px 55px}.publication-empty h2{font-size:34px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition:none!important;animation:none!important}}@media print{.site-header,.site-footer,.header-tools,.skip-link,dialog,#link-preview,.reading-progress,[data-print]{display:none!important}:root{color:#000;background:#fff}.shell{max-width:none;padding:0}.page-header{padding:0 0 30px}.page-header h1{font-size:40px}.page-header>p{font-size:19px}.about-grid{display:block}.about-note{margin-top:30px}.prose{font-size:15px}.prose h2{margin-top:25px;font-size:21px}a{text-decoration:underline}.article-sidebar{display:none}.article-grid{display:block}.article-header,.draft-notice{margin-left:0}.benchmark{break-inside:avoid}}@media (width<=600px){.condition{min-height:44px}.diagram-rail svg,.diagram-out svg{height:296px}}.condition{font-size:12px}@media (width<=600px){.condition{font-size:12px}}@media (width<=900px){.search-trigger{margin:-13px;padding:13px}.mobile-nav nav a{min-height:44px}}.support-options{border-top:1px solid var(--ink);grid-template-columns:1.1fr 1fr;align-items:start;gap:72px;padding:40px 0 55px;display:grid}.support-options h2{margin:18px 0;font-size:34px}.support-options .eyebrow{color:var(--accent);font-size:9px}.support-intro{font-family:var(--serif);font-size:24px;line-height:1.45}.support-possibilities{margin:30px 0}.support-possibilities>div{border-top:1px solid var(--line);padding:19px 0}.support-possibilities dt{font-size:14px;font-weight:500}.support-possibilities dd{color:var(--muted);margin:9px 0 0;font-size:13px;line-height:1.8}.support-financial{background:var(--surface);border:1px solid var(--line);padding:32px}.support-availability{color:var(--muted);margin:26px 0 22px;font-size:13px;line-height:1.8}.support-financial>.button{margin-top:22px}.support-availability+.button{margin-top:0}.support-shared-purpose{border-top:1px solid #cbd0bf;margin-top:38px;padding-top:24px}.support-shared-purpose p{font-family:var(--serif);margin-top:12px;font-size:23px;line-height:1.4}.support-contact{border-top:1px solid var(--line);grid-template-columns:1fr 1.2fr;gap:60px;padding:30px 0 65px;display:grid}.support-contact h2{margin-top:12px}.support-contact p{font-family:var(--serif);max-width:500px;margin-bottom:22px;font-size:23px;line-height:1.5}.support-contact .text-link{overflow-wrap:anywhere}@media (width<=900px){.support-options{gap:35px}.support-financial{padding:26px}.support-intro{font-size:22px}}@media (width<=600px){.support-options{grid-template-columns:1fr;gap:35px;padding:28px 0 35px}.support-financial{padding:24px}.support-options h2{font-size:31px}.support-intro{font-size:23px}.support-possibilities{margin-block:25px}.support-options .button{gap:18px;min-height:44px}.support-contact{grid-template-columns:1fr;gap:22px;padding-bottom:40px}.support-contact p{font-size:22px}}@font-face{font-family:DM Sans Variable;font-style:normal;font-display:swap;font-weight:100 1000;src:url(/_astro/dm-sans-latin-ext-wght-normal.BOFOeGcA.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:DM Sans Variable;font-style:normal;font-display:swap;font-weight:100 1000;src:url(/_astro/dm-sans-latin-wght-normal.Xz1IZZA0.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Newsreader Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/_astro/newsreader-vietnamese-wght-normal.Czsa-EzN.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Newsreader Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/_astro/newsreader-latin-ext-wght-normal.C-3rgBeH.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Newsreader Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/_astro/newsreader-latin-wght-normal.CCVVNp6i.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Newsreader Variable;font-style:italic;font-display:swap;font-weight:200 800;src:url(/_astro/newsreader-vietnamese-wght-italic.xAqemagA.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Newsreader Variable;font-style:italic;font-display:swap;font-weight:200 800;src:url(/_astro/newsreader-latin-ext-wght-italic.DFS986qL.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Newsreader Variable;font-style:italic;font-display:swap;font-weight:200 800;src:url(/_astro/newsreader-latin-wght-italic.Bxi8ein9.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/ibm-plex-mono-cyrillic-ext-400-normal.xuaO2J-f.woff2)format("woff2"),url(/_astro/ibm-plex-mono-cyrillic-ext-400-normal.DMdlQ8Kv.woff)format("woff");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/ibm-plex-mono-cyrillic-400-normal.BSMlKf0J.woff2)format("woff2"),url(/_astro/ibm-plex-mono-cyrillic-400-normal.CEL4l2ZJ.woff)format("woff");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/ibm-plex-mono-vietnamese-400-normal.BulugwFq.woff2)format("woff2"),url(/_astro/ibm-plex-mono-vietnamese-400-normal.DDuiU_S-.woff)format("woff");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/ibm-plex-mono-latin-ext-400-normal.BmRBH3aV.woff2)format("woff2"),url(/_astro/ibm-plex-mono-latin-ext-400-normal.D3D2R8hC.woff)format("woff");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/ibm-plex-mono-latin-400-normal.DMJ8VG8y.woff2)format("woff2"),url(/_astro/ibm-plex-mono-latin-400-normal.CvHOgSBP.woff)format("woff");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}