:root{color-scheme:light;--ink:#202020;--muted:#666;--paper:#faf9f6;--line:#d7d5ce;--accent:#a43c2f;--wash:#eeece6;--mono:'Courier New',Courier,monospace;--sans:Arial,Helvetica,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:18px;line-height:1.7}a{color:inherit;text-underline-offset:4px}a:hover{color:var(--accent)}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px}.skip{position:absolute;left:20px;top:-100px;background:white;padding:10px;z-index:10}.skip:focus{top:10px}.site-head,.site-foot{max-width:1260px;margin:auto;padding:28px 48px;display:flex;justify-content:space-between;gap:20px;font:14px/1.5 var(--mono)}.site-head{border-bottom:1px solid var(--line)}.brand{text-decoration:none;font-weight:bold}.site-head nav{display:flex;gap:24px}.site-head nav 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28px}.toc{position:sticky;top:30px;align-self:start;font:13px/1.6 var(--mono)}.toc ol{padding-left:24px}.toc li{margin:12px 0}.toc a{text-decoration:none;color:var(--muted)}article p{margin:0 0 23px}article h2{font:normal 32px/1.18 var(--mono);letter-spacing:-.045em;margin:64px 0 24px}article h2:first-child{margin-top:0}article h3{font-size:19px;margin:26px 0 8px}article strong{font-weight:700}.opening{font-size:24px;line-height:1.5}.statement{margin:36px 0;border-left:3px solid var(--accent);padding:8px 0 8px 24px;font:24px/1.4 var(--mono);letter-spacing:-.035em}.era{display:grid;grid-template-columns:repeat(4,1fr);margin:32px 0;gap:12px}.era>div{border-top:1px solid var(--ink);padding-top:14px}.era small{font:11px var(--mono);color:var(--muted)}.era b{display:block;font:15px var(--mono);margin:7px 0}.era p{font-size:13px;line-height:1.5}.era .current{border-top:3px solid var(--accent)}.figure{margin:36px 0;padding:24px;background:var(--wash)}.figure svg{width:100%;height:auto;display:block}.board{border:1px solid var(--line);padding:24px;margin:36px 0}.board-head{display:flex;justify-content:space-between;gap:16px;align-items:center}.board-title{font:18px var(--mono);margin:0}.board-intro{font-size:13px;color:var(--muted);margin:12px 0 20px!important}.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0}.tabs button{padding:9px 13px;border:1px solid var(--ink);background:transparent;color:var(--ink);font:12px var(--mono);cursor:pointer}.tabs button[aria-pressed=true]{background:var(--ink);color:white}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%;font:13px/1.5 var(--mono);min-width:535px}th{text-align:left;color:var(--muted);font-size:11px;font-weight:normal}td,th{padding:13px 10px;border-bottom:1px solid var(--line)}td:first-child,th:first-child{padding-left:0}.reject td{color:var(--accent)}.reject td:nth-child(2){text-decoration:line-through}.board-note{font:13px/1.6 var(--mono);margin:18px 0 0!important;min-height:64px}.board details{border-top:1px solid var(--line);margin-top:18px;padding-top:14px;font-size:14px}.board summary{cursor:pointer;font-family:var(--mono)}.board details p{margin:14px 0 0}.protocol{list-style:none;padding:0;counter-reset:step}.protocol li{position:relative;padding:0 0 22px 42px;border-bottom:1px solid var(--line);margin-bottom:22px}.protocol li:before{counter-increment:step;content:'0' counter(step);position:absolute;left:0;top:3px;font:12px var(--mono);color:var(--accent)}.protocol b{display:block}.small{font-size:14px;color:var(--muted)}.sources{border-top:1px solid var(--line);margin-top:55px;padding:30px 0;font-size:14px}.sources h2{font-size:20px;margin-top:0}.sources ol{padding-left:20px}.sources li{padding:8px 0}.site-foot{margin-top:70px;border-top:1px solid var(--line);color:var(--muted)}.blog-list{max-width:1164px;margin:auto;padding:0 0 60px}.post-link{display:grid;grid-template-columns:180px 1fr 50px;gap:35px;padding:35px 0;border-top:1px solid var(--ink);text-decoration:none}.post-link h2{font:32px/1.2 var(--mono);letter-spacing:-.04em;margin:0 0 18px}.post-link p{max-width:720px;margin:0;color:var(--muted);font-size:18px}.post-link .arrow{font:40px var(--mono)}.post-link time{font:13px var(--mono);color:var(--muted)}.index-hero{min-height:45vh}.index-hero h1{font-size:clamp(70px,11vw,142px)}[hidden]{display:none!important}@media(max-width:900px){.site-head,.site-foot{padding:24px}.hero{padding:54px 24px 36px}.hero-art{margin:0 24px 44px}.layout{display:block;padding:0 24px}.toc{position:static;margin:0 0 36px;border-bottom:1px solid var(--line);padding-bottom:18px}.toc ol{display:flex;flex-wrap:wrap;gap:8px 22px;list-style:none;padding:0}.toc li{margin:0}.blog-list{padding:0 24px 40px}.post-link{grid-template-columns:1fr 40px;gap:18px}.post-link time{grid-column:1/-1}.post-link .arrow{grid-column:2;grid-row:2}.post-link>div{grid-column:1}.hero-bottom{display:block}.hero-bottom a{display:inline-block;margin-top:20px}}@media(max-width:520px){body{font-size:17px}.site-head nav{gap:14px}.site-head,.site-foot{font-size:12px}.hero{padding-top:42px}h1{font-size:54px;letter-spacing:-.07em}.dek{font-size:20px}.hero-art{margin-bottom:34px}.era{grid-template-columns:repeat(2,1fr)}.figure{padding:12px}.board{padding:16px}.board-head{display:block}.board .label{display:block;margin-top:8px}.opening{font-size:21px}article h2{font-size:28px}.statement{font-size:21px}.site-foot{flex-direction:column}.post-link h2{font-size:27px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.workflow{margin:32px 0}.workflow table{min-width:600px;font-family:var(--sans);font-size:15px;line-height:1.6}.workflow caption{text-align:left;font:13px/1.6 var(--mono);padding-bottom:14px;color:var(--muted)}.workflow th{font-family:var(--mono);font-size:12px}.workflow td,.workflow th{vertical-align:top}.workflow th:first-child{width:22%}.workflow td{width:39%}.decision{padding-left:24px}.decision li{padding-left:6px;margin-bottom:18px}
/* Responsive editorial diagrams */
.search-diagram{padding:32px;border:1px solid var(--line);background:#f3f1eb}.diagram-heading{display:flex;justify-content:space-between;gap:16px;align-items:start;margin-bottom:24px}.diagram-heading h2,.diagram-heading h3{font:normal 25px/1.25 var(--mono);letter-spacing:-.045em;margin:9px 0 0}.diagram-tag{font:11px/1.5 var(--mono);border:1px solid var(--line);padding:6px 10px;white-space:nowrap}.owner-strip{display:flex;align-items:center;gap:16px;border:1px solid var(--ink);background:var(--paper);padding:16px 20px;margin-bottom:28px;position:relative}.owner-strip:after{content:'';position:absolute;left:50%;height:28px;bottom:-29px;border-left:1px dashed #777}.owner-strip svg{flex:0 0 40px;width:40px;height:40px;fill:none;stroke:var(--ink);stroke-width:1.7}.owner-strip b{display:block;font:16px var(--mono);margin-bottom:5px}.owner-strip div>span{display:block;font:14px/1.5 var(--sans);color:var(--muted)}.owner-label{margin-left:auto;font:11px var(--mono);color:var(--accent);white-space:nowrap}.experiment-flow{display:grid;grid-template-columns:1fr 1.65fr 1.05fr;gap:28px;position:relative}.experiment-flow>section{position:relative;background:var(--paper);border:1px solid var(--line);padding:20px;min-width:0}.experiment-flow>section+section:before{content:'→';position:absolute;left:-25px;top:46%;font:22px var(--mono);color:var(--muted)}.step-label{display:block;font:11px/1.6 var(--mono);color:var(--muted);margin-bottom:20px}.experiment-flow h3{font:16px/1.4 var(--mono);margin:18px 0 6px}.metric{font:54px/1.15 var(--mono);letter-spacing:-.08em}.metric>span{font:18px var(--mono);letter-spacing:0;margin-left:8px}.experiment-flow p{font:13px/1.5 var(--sans);color:var(--muted);margin:7px 0 18px}.document-icon{width:40px;height:49px;border:1.5px solid #666;padding:10px 7px;margin-top:25px;transform:rotate(-5deg);box-shadow:4px 4px 0 var(--wash)}.document-icon i{display:block;border-top:1px solid #999;margin-bottom:6px}.document-icon i:last-child{width:60%}.constraint{border-top:1px solid var(--line);padding-top:13px;margin:25px 0 20px}.constraint span{display:block;font:12px/1.7 var(--mono)}.constraint span:before{content:'• ';color:var(--muted)}.revision{display:block;font:10px/1.5 var(--mono);color:var(--muted)}.attempt{padding:14px 0 4px;border-bottom:1px solid var(--line)}.attempt:last-child{border-bottom:0}.attempt>div:first-child{display:flex;justify-content:space-between;gap:8px;font:12px/1.5 var(--mono)}.attempt b{font-weight:normal}.attempt>div>span{white-space:nowrap}.metric-track{height:8px;background:#e5e2db;margin:12px 0}.metric-track i{display:block;height:100%;width:var(--length);background:#99958d}.attempt.invalid .metric-track i{background:repeating-linear-gradient(135deg,#b6b0a5,#b6b0a5 3px,#ddd9d1 3px,#ddd9d1 6px)}.attempt.promising .metric-track i{background:var(--accent)}.attempt.promising b,.attempt.promising .verdict-symbol{color:var(--accent)}.attempt p{font-size:12px;margin:0 0 12px}.verdict-symbol{display:inline-block;font:16px var(--mono);width:16px}.experiment-flow .candidate-panel{border-top:3px solid var(--accent)}.candidate-icon{display:block;font:48px/1 var(--mono);color:var(--accent);margin-top:18px}.candidate-panel .metric{color:var(--accent)}.experiment-flow .candidate-saving{color:var(--accent);font-size:12px}.next-gate{border-top:1px solid var(--line);padding-top:12px;margin-top:22px}.next-gate b{font:11px var(--mono)}.next-gate p{font-size:12px}.feedback-loop{display:flex;align-items:center;gap:18px;border-bottom:1px dashed #aaa49a;border-left:1px dashed #aaa49a;border-radius:0 0 0 16px;margin:0 20px;padding:16px 20px 14px}.feedback-loop>span{font:32px var(--mono);color:var(--accent)}.feedback-loop p{font:13px/1.5 var(--sans);margin:0;color:var(--muted)}.search-diagram figcaption{margin-top:22px;max-width:830px}.adoption-diagram{background:#f3f1eb;border:1px solid var(--line);padding:24px}.adoption-grid{display:grid;grid-template-columns:1fr 1.25fr;gap:28px}.public-races{border-right:1px solid var(--line);padding-right:24px}.public-example{display:flex;gap:12px;align-items:center;margin:22px 0}.example-mark{display:flex;align-items:center;justify-content:center;flex:0 0 44px;height:44px;border:1px solid #aaa49a;font:14px var(--mono);background:var(--paper)}.public-example b,.shared-board b,.owner-decision b,.maintenance b{font:13px/1.5 var(--mono)}.public-example p,.shared-board p,.owner-decision p,.maintenance p{font:12px/1.6 var(--sans);color:var(--muted);margin:5px 0 0}.public-races .transfer-note{font:14px/1.6 var(--sans);margin:30px 0 0}.team-inputs{display:grid;grid-template-columns:1fr 1fr;gap:12px}.team-inputs>span{border:1px solid var(--line);background:var(--paper);padding:12px 8px;text-align:center;font:12px/1.5 var(--mono)}.team-inputs small{display:block;font:11px/1.5 var(--sans);color:var(--muted);margin-top:5px}.merge-lines{height:24px;display:flex;justify-content:center}.merge-lines i{height:14px;width:25%;border-bottom:1px solid #aaa49a}.merge-lines i:first-child{border-left:1px solid #aaa49a}.merge-lines i:last-child{border-right:1px solid #aaa49a;position:relative}.merge-lines i:last-child:before{content:'';height:10px;position:absolute;left:0;top:14px;border-left:1px solid #aaa49a}.shared-board{display:flex;gap:12px;align-items:center;border:1px solid var(--ink);padding:14px;background:var(--paper)}.board-glyph{font:32px var(--mono);color:var(--accent)}.vertical-link{text-align:center;font:20px/1.3 var(--mono);color:#8b8377}.owner-decision{border:1px solid var(--accent);padding:12px 14px;background:#f2e6df}.maintenance{display:flex;gap:10px;align-items:start}.maintenance>span{font:24px var(--mono);color:var(--accent)}.adoption-diagram figcaption{border-top:1px solid var(--line);padding-top:16px;margin-top:24px}.search-diagram:before,.adoption-diagram:before{display:none!important}
@media(max-width:1050px){.experiment-flow{grid-template-columns:1fr 1.45fr;gap:24px}.experiment-flow .candidate-panel{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;column-gap:20px}.candidate-panel .step-label,.candidate-panel h3,.candidate-panel .metric,.candidate-panel .candidate-saving{grid-column:1}.candidate-panel .candidate-icon{display:none}.candidate-panel .next-gate{grid-column:2;grid-row:2/5;margin-top:0;align-self:center}.candidate-panel>.revision{grid-column:2;grid-row:5}.experiment-flow>.candidate-panel:before{content:'↓';top:-24px;left:50%}.owner-label{display:none}}
@media(max-width:700px){.search-diagram{padding:22px}.diagram-heading{display:block}.diagram-tag{display:inline-block;margin-top:14px}.experiment-flow{display:flex;flex-direction:column;gap:28px}.experiment-flow .candidate-panel{display:block}.experiment-flow>section+section:before{content:'↓';left:50%;top:-27px}.baseline-panel .document-icon{float:right;margin:12px 8px}.baseline-panel .constraint{margin:18px 0}.experiment-flow .candidate-panel .candidate-icon{display:none}.candidate-panel>.next-gate{margin-top:18px}.owner-strip{padding:14px;gap:12px}.owner-strip svg{min-width:0!important;flex-basis:32px;width:32px}.diagram-heading h2,.diagram-heading h3{font-size:23px}.owner-strip div>span{font-size:13px}.feedback-loop{margin:0 4px;padding:15px 8px;gap:8px}.adoption-grid{display:block}.public-races{border-right:0;border-bottom:1px solid var(--line);padding:0 0 22px;margin-bottom:24px}.public-races .transfer-note{margin-top:18px}.adoption-diagram{padding:20px}.search-diagram,.adoption-diagram{overflow:visible}.search-diagram svg{min-width:0}.hero-art{margin-left:24px;margin-right:24px}}
/* Keep the examples fully readable in a narrow reading pane. */
@media(max-width:700px){
 .table-wrap{overflow:visible}
 .table-wrap table,.workflow table{display:block;min-width:0;width:100%}
 .table-wrap caption{display:block;width:100%}
 .table-wrap thead{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
 .table-wrap tbody{display:block}
 .table-wrap tr{display:block;margin:0 0 18px;padding:0 0 14px;border-bottom:1px solid var(--line)}
 .table-wrap td,.table-wrap th,.workflow td,.workflow th:first-child{display:block;width:100%;border:0;padding:5px 0;overflow-wrap:anywhere}
 .table-wrap td[data-label]:before{content:attr(data-label);display:block;font:10px/1.6 var(--mono);color:var(--muted);margin-bottom:2px}
 .board td:first-child{font-weight:bold;font-size:15px;padding-bottom:10px}
 .board td:first-child:before{display:none}
 .workflow th[scope=row]{font:15px/1.5 var(--mono);color:var(--ink);padding-bottom:10px}
 .table-wrap .reject td:nth-child(2){text-decoration:none}
 .board .tabs button{flex:1;min-height:44px;line-height:1.5}
 .attempt>div:first-child{flex-wrap:wrap}
 .team-inputs{grid-template-columns:repeat(2,minmax(0,1fr))}
 .team-inputs>span,.shared-board>div,.maintenance>div{min-width:0;overflow-wrap:anywhere}
}
html{scroll-behavior:auto}

.start-cta{margin-top:48px;padding:24px;border:1px solid var(--line);background:var(--wash)}.start-cta h2{margin-top:12px}.cta-link{display:inline-block;padding:12px 18px;background:var(--accent);color:var(--paper);text-decoration:none;font-weight:bold}.cta-link:hover{color:var(--paper);text-decoration:underline}

.scope-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:28px 0}.scope-card{border:1px solid var(--line);padding:20px;background:var(--wash)}.scope-card h3{font:22px/1.2 var(--mono);margin:0 0 16px}.scope-card p{font-size:16px;line-height:1.6;margin:0 0 16px}.scope-card .scope-objective{font-weight:bold}.scope-card .scope-limit{border-top:1px solid var(--line);padding-top:14px;margin-bottom:0;color:var(--muted)}@media(max-width:700px){.scope-grid{grid-template-columns:1fr}}

article .search-diagram{margin:36px 0;max-width:100%}article .experiment-flow{grid-template-columns:1fr 1.45fr;gap:28px}article .experiment-flow .candidate-panel{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;column-gap:20px}article .candidate-panel .step-label,article .candidate-panel h3,article .candidate-panel .metric,article .candidate-panel .candidate-saving{grid-column:1}article .candidate-panel .candidate-icon{display:none}article .candidate-panel .next-gate{grid-column:2;grid-row:2/5;margin-top:0;align-self:center}article .candidate-panel>.revision{grid-column:2;grid-row:5}article .experiment-flow>.candidate-panel:before{content:'↓';top:-27px;left:50%}article .owner-label{display:none}@media(max-width:700px){article .experiment-flow .candidate-panel{display:block}article .candidate-panel>.next-gate{margin-top:18px}}