:root { --ink:#171815; --muted:#74766d; --line:#d9dbd1; --paper:#f3f4ed; --white:#fbfcf7; --acid:#d8ff57; --blue:#c9dcff; }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { margin:0; background:var(--paper); color:var(--ink); font-family:Manrope, sans-serif; font-size:14px; }
.home-page .report-section,.home-page .plot-section{display:none}.sub-hero{padding:110px 3vw 70px;border-bottom:1px solid var(--line)}.sub-hero h1{margin:55px 0 40px}.sub-hero>p:last-child{font:28px Newsreader,serif;max-width:700px}.visible-report,.visible-plot{display:block}.unknown-cost{margin-top:24px;border-top:1px solid var(--ink)}.unknown-cost>.kicker{margin:18px 0}.unknown-cost>div{display:grid;grid-template-columns:1fr 90px 2fr 100px;align-items:center;border-top:1px solid var(--line);padding:13px 0}.unknown-cost span{font:20px Newsreader,serif}.unknown-cost strong{font:16px "DM Mono",monospace}.unknown-cost i{height:1px;background:repeating-linear-gradient(90deg,var(--muted) 0 4px,transparent 4px 8px)}.unknown-cost small{color:var(--muted);text-align:right}
a { color:inherit; text-decoration:none; }
.site-header { height:70px; padding:0 3vw; display:grid; grid-template-columns:1fr auto 1fr; align-items:center; border-bottom:1px solid var(--line); position:sticky; top:0; background:rgba(243,244,237,.93); backdrop-filter:blur(12px); z-index:10; }
.brand { font-family:Newsreader,serif; font-size:18px; white-space:nowrap; }.brand span:first-child{font-family:Manrope,sans-serif;font-size:18px;font-weight:600}
nav { display:flex; height:100%; gap:24px; align-items:center; }
nav a { color:var(--muted); font-size:13px; height:100%; display:flex; align-items:center; border-bottom:1px solid transparent; }
nav a.active, nav a:hover { color:var(--ink); border-color:var(--ink); }
.github-link { justify-self:end; font-family:"DM Mono",monospace; font-size:12px; }
main { max-width:1480px; margin:auto; }
.hero { min-height:520px; padding:84px 3vw 52px; display:flex; flex-direction:column; justify-content:flex-end; border-bottom:1px solid var(--line); }
.eyebrow,.kicker,.section-index { font-family:"DM Mono",monospace; text-transform:uppercase; letter-spacing:.09em; font-size:11px; }
.status-dot { display:inline-block; width:7px; height:7px; background:#75aa44; border-radius:50%; margin-right:8px; box-shadow:0 0 0 4px rgba(117,170,68,.13); }
h1 { font-family:Newsreader,serif; font-weight:400; font-size:clamp(74px,12vw,176px); letter-spacing:-.055em; line-height:.78; margin:45px 0 42px; }
.lede { font-family:Newsreader,serif; font-size:clamp(23px,3vw,39px); line-height:1.12; max-width:900px; margin:0 0 64px; }
.byline { display:grid; grid-template-columns:140px 1fr auto; gap:24px; align-items:baseline; padding:17px 0; border-top:1px solid var(--line); color:var(--muted); font-size:11px; }.byline p{margin:0}.byline b{color:var(--ink);font-weight:500}.byline sup{font:8px "DM Mono",monospace}
.stats { display:grid; grid-template-columns:repeat(4,1fr); border-top:1px solid var(--line); }
.stats div { padding:20px 0 0; border-right:1px solid var(--line); }
.stats div:not(:first-child) { padding-left:24px; }
.stats strong { display:block; font:400 29px "DM Mono",monospace; }
.stats span { color:var(--muted); font-size:12px; }
.article-intro { padding:100px 3vw; display:grid; grid-template-columns:1fr 2fr; gap:5vw; border-bottom:1px solid var(--line); }.article-intro>div:first-child{display:flex;gap:20px;align-items:baseline}.article-copy{max-width:850px}.article-copy p{font:19px/1.55 Newsreader,serif;color:#4f514a}.article-copy .drop{font-size:31px;line-height:1.25;color:var(--ink);margin-top:0}
.board { padding:92px 3vw 105px; border-bottom:1px solid var(--line); }
.board-heading { display:flex; align-items:end; justify-content:space-between; margin-bottom:35px; }
.board-heading>div,.method-note>div:first-child { display:flex; align-items:baseline; gap:20px; }
.section-index { color:var(--muted); }
h2 { font:400 clamp(35px,4vw,55px)/1 Newsreader,serif; margin:0; letter-spacing:-.025em; }
.board-heading p { color:var(--muted); margin:0; font:12px "DM Mono",monospace; }
.harness-tabs { display:flex; border:1px solid var(--line); border-bottom:none; width:max-content; max-width:100%; }
.tab { appearance:none; background:transparent; border:0; border-right:1px solid var(--line); padding:15px 20px; color:var(--muted); font:13px Manrope,sans-serif; cursor:pointer; }
.tab:last-child { border:0; }.tab b { font:500 12px "DM Mono",monospace; margin-right:6px; }.tab span { font-size:10px; margin-left:18px; opacity:.7; }
.tab.active { background:var(--ink); color:var(--white); }
.table-wrap { overflow:auto; border-top:1px solid var(--ink); }
table { border-collapse:collapse; width:100%; min-width:770px; }
th { font:400 10px "DM Mono",monospace; color:var(--muted); text-transform:uppercase; letter-spacing:.06em; text-align:left; padding:15px 12px; border-bottom:1px solid var(--line); }
td { padding:18px 12px; border-bottom:1px solid var(--line); vertical-align:middle; }
th:first-child,td:first-child { padding-left:4px; }.rank { width:52px; }.score { text-align:right; }
td.rank-cell { color:var(--muted); font:12px "DM Mono",monospace; }
.model-name { font-family:Newsreader,serif; font-size:21px; }.provider,.coverage { color:var(--muted); font-size:12px; }
.new-pill { margin-left:9px; vertical-align:2px; background:var(--acid); padding:3px 6px; border-radius:10px; font:500 8px "DM Mono",monospace; letter-spacing:.05em; }
.harness-chip { font:10px "DM Mono",monospace; border:1px solid var(--line); padding:5px 7px; border-radius:2px; }
.score-cell { text-align:right; width:210px; }.score-layout { display:grid; grid-template-columns:1fr 50px; align-items:center; gap:14px; }
.bar-track { height:2px; background:var(--line); position:relative; }.bar { position:absolute; inset:0 auto 0 0; background:var(--ink); }.bar:after { content:""; position:absolute; right:-3px; top:-3px; width:8px; height:8px; border-radius:50%; background:var(--ink); }
.score-number { font:500 16px "DM Mono",monospace; }.top-row { background:rgba(216,255,87,.12); }
.table-note { margin:17px 0 0; color:var(--muted); font-size:11px; }
.insight-grid { display:grid; grid-template-columns:2fr 1fr 1fr; border-bottom:1px solid var(--line); }
.insight-card { min-height:460px; padding:42px 3vw; border-right:1px solid var(--line); display:flex; flex-direction:column; }
.insight-card:last-child { border:0; }.insight-card.featured { background:var(--acid); }
.insight-card .kicker { margin:60px 0 18px; }.insight-card h2 { font-size:clamp(32px,3vw,48px); }.insight-card h2 em { font-style:normal; font-family:"DM Mono",monospace; }
.insight-card>p:last-of-type { color:#55574f; line-height:1.65; margin-top:25px; max-width:620px; }
.comparison { margin-top:auto; border-top:1px solid rgba(23,24,21,.25); }
.comparison div { display:flex; justify-content:space-between; align-items:baseline; padding:11px 0; border-bottom:1px solid rgba(23,24,21,.25); }.comparison strong { font:400 24px "DM Mono",monospace; }
.harness-section{padding:100px 3vw;border-bottom:1px solid var(--line)}.section-title{display:flex;gap:20px;align-items:flex-start}.section-title .kicker{margin:0 0 14px}.section-deck{font:22px/1.4 Newsreader,serif;max-width:760px;margin:35px 0 60px 40%}.harness-cards{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--ink)}.harness-cards article{padding:30px 28px 35px 0;border-right:1px solid var(--line);margin-right:28px}.harness-cards article:last-child{border:0;margin:0}.harness-number{font:11px "DM Mono",monospace;color:var(--muted)}.harness-cards h3{font:400 40px Newsreader,serif;margin:20px 0 5px}.flow{font:11px "DM Mono",monospace;margin-bottom:35px}.harness-cards dl{border-top:1px solid var(--line);padding-top:15px}.harness-cards dt{font:9px "DM Mono",monospace;text-transform:uppercase;color:var(--muted);margin-top:13px}.harness-cards dd{margin:4px 0;font-size:12px}.harness-cards article>p:last-child{color:var(--muted);line-height:1.55;margin-top:27px}
.method-note { padding:100px 3vw; display:grid; grid-template-columns:1fr 1fr; gap:6vw; border-bottom:1px solid var(--line); }
.prose { font-family:Newsreader,serif; font-size:21px; line-height:1.45; }.prose p:first-child { margin-top:0; }.prose code { font:12px "DM Mono",monospace; background:#e6e7df; padding:3px 5px; }
.report-section{padding:105px 3vw;border-bottom:1px solid var(--line);background:var(--white)}.report-head{display:grid;grid-template-columns:1fr 2fr;column-gap:5vw;align-items:end}.report-head>div{display:flex;gap:20px}.report-head .kicker{margin:0}.report-head h2{font-size:clamp(50px,7vw,94px)}.report-standfirst{grid-column:2;font:27px Newsreader,serif;color:var(--muted);margin:22px 0 60px}.report-body{display:grid;grid-template-columns:1fr 2fr;gap:5vw}.report-body aside{border-top:1px solid var(--ink);padding-top:18px;display:flex;flex-direction:column;align-items:flex-start;height:max-content}.report-body aside p{font:11px "DM Mono",monospace}.report-body aside strong{font:400 62px Newsreader,serif;margin-top:20px}.report-body aside span,.report-body aside small{color:var(--muted);font-size:11px}.report-body aside small{margin-top:28px}.report-body article{max-width:820px}.report-body article>p{font:22px/1.5 Newsreader,serif}.report-body article h3{font:400 31px Newsreader,serif;margin:55px 0 20px}.mini-table{border-top:1px solid var(--ink)}.mini-row{display:grid;grid-template-columns:1fr 100px 100px;padding:13px 0;border-bottom:1px solid var(--line);font:13px "DM Mono",monospace}.mini-row span:not(:first-child),.mini-row strong{text-align:right}.mini-head{font-size:9px;text-transform:uppercase;color:var(--muted)}.behavior-grid{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--ink)}.behavior-grid div{padding:20px 25px 10px 0;border-right:1px solid var(--line)}.behavior-grid div+div{padding-left:25px;border-right:0}.behavior-grid b{font:500 12px "DM Mono",monospace}.behavior-grid p{color:var(--muted);line-height:1.55}blockquote{margin:55px 0 0;padding:30px;background:var(--acid);font:25px/1.35 Newsreader,serif}blockquote b{font-weight:500}
.plot-section{padding:100px 3vw;border-bottom:1px solid var(--line)}.plot-head{display:grid;grid-template-columns:2fr 1fr;gap:5vw}.plot-head>div{display:grid;grid-template-columns:auto 1fr;gap:20px}.plot-head h2{grid-column:2}.plot-head .kicker{margin:0 0 18px}.plot-head>p{color:var(--muted);line-height:1.6;margin-top:30px}.plot-key{display:flex;gap:24px;flex-wrap:wrap;margin:55px 0 20px;font:10px "DM Mono",monospace}.plot-key span:before{content:"";width:15px;height:2px;background:var(--c);display:inline-block;margin-right:7px;vertical-align:middle}.glm52{--c:#292a25}.glm51{--c:#d45c46}.minimax{--c:#5079ca}.kimi{--c:#5f8a61}.inkling{--c:#bf893f}.scatter-wrap{height:460px;border:1px solid var(--line);background:var(--white)}#cost-plot{width:100%;height:100%}.plot-note,.trace-caption{color:var(--muted);font-size:10px;line-height:1.5;margin-top:14px}
.trace-section{padding:100px 3vw;border-bottom:1px solid var(--line)}.trace-head{display:flex;gap:20px}.trace-head .kicker{margin:0 0 18px}.trace-question{font:clamp(28px,4vw,48px)/1.12 Newsreader,serif;max-width:1000px;margin:70px 0}.trace-list{border-top:1px solid var(--ink)}.trace-list article{padding:24px 0;border-bottom:1px solid var(--line)}.trace-list header{display:grid;grid-template-columns:1fr 120px 80px;align-items:baseline}.trace-list header span{font:21px Newsreader,serif}.trace-list header b{font:400 11px "DM Mono",monospace}.trace-list header strong{text-align:right;font:400 21px "DM Mono",monospace}.trace-list header strong:before{content:"reward ";display:block;font-size:8px;color:var(--muted)}.trace-bar{display:flex;height:8px;margin:18px 0 11px}.trace-bar i{background:#222}.trace-bar i:nth-child(2){background:#92958c}.trace-bar i:nth-child(3){background:#d2d4cb}.trace-bar.h2 i:first-child{background:#647c9e}.trace-bar.h3 i:first-child{background:#829c56}.trace-bar.h3 i:nth-child(2){background:#3d6f52}.trace-list article>p{font:10px "DM Mono",monospace;color:var(--muted);margin:0}.trace-list code{color:var(--ink)}
.cta { margin:3vw; padding:75px 6vw; background:var(--blue); min-height:410px; display:flex; flex-direction:column; align-items:flex-start; }
.release-section{padding:100px 3vw;display:grid;grid-template-columns:1fr 1fr;gap:6vw;border-bottom:1px solid var(--line)}.release-section>div:first-child{display:grid;grid-template-columns:auto 1fr;column-gap:20px}.release-section .kicker{margin:0 0 20px}.release-section h2{grid-column:2}
.cta h2 { font-size:clamp(52px,7vw,100px); margin:38px 0 65px; }.cta>div { display:flex; gap:10px; }
.button { border:1px solid var(--ink); padding:14px 18px; font:11px "DM Mono",monospace; }.button.primary { color:var(--white); background:var(--ink); }
footer { padding:35px 3vw; border-top:1px solid var(--line); display:grid; grid-template-columns:1fr auto 1fr; align-items:end; color:var(--muted); font-size:11px; }footer p:last-child{text-align:right}footer .brand{color:var(--ink)}
.quiet-link{border-bottom:1px solid var(--line);transition:color .15s ease}.quiet-link:hover{color:var(--ink)}
.report-head time{display:inline-block;margin-top:9px;color:var(--muted);letter-spacing:0;text-transform:none}
@media (max-width:800px) { .site-header { grid-template-columns:1fr auto; }.site-header nav{display:none}.hero{min-height:600px}.byline{grid-template-columns:1fr;gap:8px}.stats{grid-template-columns:1fr 1fr;gap:20px}.stats div:nth-child(2){border-right:0}.article-intro{grid-template-columns:1fr}.insight-grid{grid-template-columns:1fr}.insight-card{min-height:auto;border-right:0;border-bottom:1px solid var(--line)}.harness-cards{grid-template-columns:1fr}.harness-cards article{border-right:0;border-bottom:1px solid var(--line);margin:0;padding-right:0}.section-deck{margin:35px 0}.method-note,.release-section,.report-head,.report-body,.plot-head{grid-template-columns:1fr}.report-head h2,.report-standfirst{grid-column:1}.report-standfirst{margin-bottom:40px}.report-body aside{margin-bottom:30px}.behavior-grid{grid-template-columns:1fr}.behavior-grid div{border-right:0;border-bottom:1px solid var(--line)}.behavior-grid div+div{padding-left:0}.mini-row{grid-template-columns:1fr 70px 70px}.scatter-wrap{height:380px}.trace-list header{grid-template-columns:1fr 80px 60px}.harness-tabs{width:100%}.tab{flex:1;padding:13px 8px}.tab span{display:none}footer{grid-template-columns:1fr;gap:12px}footer p,footer p:last-child{text-align:left;margin:0} }
@media (prefers-reduced-motion:no-preference) { tbody tr { animation:row-in .35s both; } @keyframes row-in { from { opacity:0; transform:translateY(5px); } } }
.unknown-cost small{max-width:270px;justify-self:end}
.grok{--c:#111}.opus5{--c:#9c63a8}.insight-card.featured{transition:filter .2s ease}.insight-card.featured:hover{filter:brightness(.96)}
#cost-plot .axes text{font:10px "DM Mono",monospace;fill:var(--muted);letter-spacing:.04em}
.visible-plot .scatter-wrap{height:520px}
.harness-key{display:flex;justify-content:flex-end;gap:28px;margin:45px 0 0;padding-bottom:20px;border-bottom:1px solid var(--line);font:11px "DM Mono",monospace;color:var(--muted)}.harness-key span{display:flex;align-items:center;gap:9px}.harness-key i{display:block;width:12px;height:12px;border:2px solid var(--ink);border-radius:50%;background:var(--white)}.harness-key .h2-mark i{background:rgba(23,24,21,.38)}.harness-key .h3-mark i{background:var(--ink);box-shadow:0 0 0 3px var(--white),0 0 0 4px var(--ink)}
.scatter-wrap{position:relative}.plot-point{cursor:crosshair;transition:r .15s ease}.plot-point:hover,.plot-point:focus{r:8;outline:none}.plot-tooltip{position:absolute;z-index:4;min-width:190px;padding:13px 15px;background:var(--ink);color:var(--white);pointer-events:none;opacity:0;transform:translate(-50%,calc(-100% - 14px));transition:opacity .12s ease;font-size:11px}.plot-tooltip.visible{opacity:1}.plot-tooltip b{display:block;font:18px Newsreader,serif;margin-bottom:3px}.plot-tooltip>span{color:#b8bab2;font:9px "DM Mono",monospace}.plot-tooltip dl{margin:12px 0 0;border-top:1px solid #494a45}.plot-tooltip dl div{display:flex;justify-content:space-between;padding-top:7px}.plot-tooltip dt{color:#b8bab2}.plot-tooltip dd{margin:0;font-family:"DM Mono",monospace}
.trace-list{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);background:var(--white)}.trace-list article{position:relative;min-height:330px;padding:30px;border-right:1px solid var(--line);border-bottom:0;display:flex;flex-direction:column}.trace-list article:last-child{border-right:0}.trace-list article:after{content:"→";position:absolute;right:-15px;top:50%;z-index:2;width:29px;height:29px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;background:var(--paper);font:12px "DM Mono",monospace}.trace-list article:last-child:after{display:none}.trace-list .trace-best{background:rgba(216,255,87,.2)}.trace-step{font:10px "DM Mono",monospace;color:var(--muted);margin-bottom:32px}.trace-list header{display:grid;grid-template-columns:1fr auto;gap:7px}.trace-list header span{font:30px Newsreader,serif}.trace-list header b{grid-column:1;font:400 10px "DM Mono",monospace;color:var(--muted)}.trace-list header strong{grid-column:2;grid-row:1/3;font:400 30px "DM Mono",monospace}.trace-list header strong:before{content:"reward";display:block;font-size:8px;color:var(--muted);text-transform:uppercase}.trace-mode{font:17px/1.3 Newsreader,serif!important;color:var(--ink)!important;margin:28px 0!important;min-height:44px}.trace-bar{height:12px;margin:auto 0 18px;border-radius:8px;overflow:hidden}.trace-list article>p:last-child{font:10px/1.9 "DM Mono",monospace}.trace-list code{background:#eceee5;padding:2px 4px}.trace-best header strong{background:var(--acid);padding:6px 8px}.trace-caption{font:17px/1.45 Newsreader,serif!important;color:var(--ink)!important;max-width:760px;margin-top:28px!important}.citation-section{padding:100px 3vw;display:grid;grid-template-columns:1fr 2fr;gap:5vw;border-bottom:1px solid var(--line)}.citation-title{display:flex;gap:20px}.citation-title .kicker{margin:0 0 16px}.citation-content label{display:block;font:10px "DM Mono",monospace;text-transform:uppercase;color:var(--muted);margin:0 0 12px}.citation-content pre{margin:0 0 42px;padding:25px 28px;background:#211e1b;color:#e5e3dc;border-radius:4px;overflow:auto;white-space:pre-wrap}.citation-content pre code{font:12px/1.7 "DM Mono",monospace}
@media(max-width:800px){.trace-list{grid-template-columns:1fr}.trace-list article{border-right:0;border-bottom:1px solid var(--line)}.trace-list article:after{display:none}.citation-section{grid-template-columns:1fr}.citation-content pre{white-space:pre;}}