:root{color-scheme:dark;--bg:#0a0a0a;--surface:#171717;--surface2:#232323;--line:#ffffff24;--text:#fafafa;--muted:#b2b2b2;--red:#e63946;--blue:#7fb0ff;--green:#7dd6af;--gold:#efc76f;--mono:ui-monospace,SFMono-Regular,Consolas,monospace;font-family:Inter,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text)}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,select,summary{cursor:pointer}button{background:var(--surface2);color:var(--text);border:1px solid var(--line);border-radius:6px;min-height:44px;padding:10px 14px;font-size:13px;font-weight:600}button:hover{border-color:#ffffff80}button[aria-selected=true],button[aria-pressed=true],button.primary{background:var(--red);border-color:var(--red);color:white}button:disabled{opacity:.4;cursor:default}input,select,textarea{background:#0d0d0d;border:1px solid #ffffff40;border-radius:5px;color:var(--text);padding:10px;max-width:100%}input[type=range]{padding:0;accent-color:var(--red);width:100%;min-height:38px}input[type=checkbox]{accent-color:var(--red);width:18px;height:18px}textarea{width:100%;resize:vertical;margin-top:9px}label{font-size:13px;line-height:1.6}a{color:#ff8891;text-underline-offset:3px}:focus-visible{outline:3px solid var(--gold);outline-offset:4px}[hidden]{display:none!important}.skip{position:absolute;top:-60px;left:16px;z-index:20;background:white;color:black;padding:14px}.skip:focus{top:10px}.shell{max-width:1260px;margin:auto;padding:26px 38px}.masthead{display:flex;justify-content:space-between;gap:16px;font:11px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);padding-bottom:20px;border-bottom:1px solid var(--line)}.hero{display:grid;grid-template-columns:1.3fr 1fr;gap:50px;align-items:center;padding:32px 0}.eyebrow{font:10px/1.7 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:#ff8a93;margin:0 0 8px}h1{font-size:clamp(52px,7vw,86px);letter-spacing:-.06em;line-height:1;margin:0}h1 span{color:var(--red)}.subtitle{font-size:18px;color:#dedede;margin:10px 0 0}h2{font-size:clamp(25px,3vw,36px);line-height:1.15;letter-spacing:-.035em;margin:0 0 14px}h3{font-size:19px;line-height:1.35;letter-spacing:-.02em;margin:0 0 14px}p{font-size:15px;line-height:1.75;margin:0 0 16px}.lede{color:var(--muted);max-width:490px}.small{font-size:12px;line-height:1.65;color:var(--muted)}.tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:5px;padding:5px;background:var(--surface);border:1px solid var(--line);border-radius:9px}.tabs button{display:flex;align-items:center;gap:12px;text-align:left;background:transparent;border:0;min-height:62px}.tabs button span{font:12px var(--mono);opacity:.7}.tabs button[aria-selected=true]{background:var(--red)}.shared{padding:20px 0 22px;border-bottom:1px solid var(--line);display:flex;gap:15px;align-items:center;flex-wrap:wrap;margin-bottom:30px}.shared label{display:flex;flex-direction:column;gap:4px;font:10px var(--mono);text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}.shared select{font:12px system-ui;letter-spacing:0;text-transform:none}.shared p{flex:1;min-width:240px;margin:0;font:20px/1.6 Georgia,serif}.shared .small{max-width:130px;font-size:10px}.blank{color:var(--red);border-bottom:2px solid var(--red);display:inline-block;min-width:36px}.section-intro{display:flex;justify-content:space-between;align-items:flex-start;gap:30px;margin-bottom:18px}.section-intro p{max-width:820px;color:var(--muted)}.section-intro .eyebrow{color:#ff8a93}.badge{font:9px/1.5 var(--mono);letter-spacing:.07em;text-transform:uppercase;border:1px solid var(--line);border-radius:4px;padding:7px 9px;white-space:nowrap;color:var(--muted)}.subnav{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:22px}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.card{padding:25px;border:1px solid var(--line);border-radius:10px;background:var(--surface);min-width:0}.space{margin-top:22px}.space-small{margin-top:12px}.inset{padding:12px 8px}.toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:10px}.toolbar p{flex:1;min-width:220px;margin:0}.toolbar label{display:flex;align-items:center;gap:6px}.toolbar input[type=text]{flex:1;min-width:140px}.switch{display:flex;gap:6px;margin-bottom:20px}.callout{font-size:13px;line-height:1.7;padding:14px 16px;background:#ffffff07;border-left:3px solid var(--red);margin:16px 0}.pipeline{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:22px 0}.pipeline>div{flex:1;min-width:110px;border:1px solid var(--line);background:#101010;border-radius:6px;padding:12px;font:13px/1.7 var(--mono);text-align:center}.pipeline span{display:block;color:var(--muted);font:11px/1.6 system-ui;margin-top:5px}.pipeline b{color:var(--red)}.pipeline.vertical{flex-direction:column;gap:6px}.pipeline.vertical>div{width:100%;flex:none}.matrix-box{padding:14px;background:#0a0a0a;border-radius:6px;font:13px/1.9 var(--mono);overflow:auto;margin:18px 0}.range-label{display:flex;justify-content:space-between;align-items:center;gap:12px}.qkv-row{display:flex;gap:12px;border-bottom:1px solid var(--line);padding:10px 0;font:14px var(--mono)}.qkv-row strong{color:var(--red)}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:20px 0}.stats>div{border:1px solid var(--line);border-radius:6px;padding:12px;color:var(--muted);font-size:11px}.stats strong{display:block;color:var(--text);font:24px/1.5 var(--mono);margin-top:6px}.feedback{min-height:34px;color:var(--gold);font-size:13px;margin-top:15px}details{border-top:1px solid var(--line);padding-top:16px;margin-top:20px}summary{min-height:42px;font-size:13px;font-weight:600}details[open]>summary{margin-bottom:15px}.sequence-grid{overflow:auto;font:11px/1.8 var(--mono);margin:16px 0}.sequence-row{display:flex;gap:5px;margin:6px 0}.sequence-row span{border:1px solid var(--line);padding:8px;min-width:70px}.sequence-row .future{opacity:.3;background:repeating-linear-gradient(45deg,#222,#222 4px,#111 4px,#111 8px)}.bars{display:grid;gap:9px;margin:18px 0}.bar{display:grid;grid-template-columns:95px 1fr 45px;align-items:center;gap:10px;font:11px var(--mono)}.bar-track{height:13px;background:#ffffff0b;border-radius:2px;overflow:hidden}.bar-track i{height:100%;background:var(--red);display:block;transition:width .3s}.bar:last-child.rest .bar-track i{background:#727272}iframe{display:block;width:100%;height:900px;border:0;background:var(--bg);border-radius:8px}#vectors-frame{background:#f5f3eb}.next-section{border-top:1px solid var(--line);padding:22px 0;display:flex;justify-content:space-between;gap:15px;align-items:center;margin-top:28px;color:var(--muted);font-size:13px}.moments{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;margin-bottom:20px}.moments button{text-align:left;min-height:72px;font-size:12px}.moments button span{display:block;font:9px var(--mono);opacity:.7;margin-bottom:5px}.human-grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:20px}.brain-card{background:radial-gradient(ellipse at 50% 38%,#252731,#111216 70%);padding:20px}#brain-stage{position:relative;height:430px;margin:0 -12px}#brain{width:100%;height:100%;display:block;cursor:grab;touch-action:pan-y}#brain:active{cursor:grabbing}#brain-labels{position:absolute;inset:0;pointer-events:none;overflow:hidden}.brain-label{position:absolute;font:10px var(--mono);color:#fff;background:#080808c9;border:1px solid #ffffff40;border-radius:4px;padding:3px 5px;transform:translate(-50%,-50%)}#brain-fallback{position:absolute;top:30%;left:10%;right:10%;font-size:14px;line-height:1.7;padding:20px;background:#202027;border:1px solid var(--line)}.brain-card>.small{font-size:10px;margin-top:14px}.brain-card .toolbar{gap:6px}.brain-card .toolbar button{font-size:11px;padding:8px 10px}.brain-card .toolbar label{font-size:10px}.brain-card select{font-size:10px}.reading{padding:18px;background:#0a0a0a;border-radius:7px;margin:15px 0}.reading p{font:22px/1.8 Georgia,serif}.reading mark{color:white;background:#e6394660;border-bottom:2px solid #ff8390;padding:2px}.event{font-size:11px;color:var(--gold);border-top:1px solid var(--line);padding-top:12px;line-height:1.7}.regions{list-style:none;padding:0;margin:20px 0;display:grid;gap:9px}.regions li{display:flex;gap:10px;font-size:12px;line-height:1.5}.region-number{font:10px var(--mono);border:1px solid var(--line);padding:3px 6px;align-self:start;border-radius:4px}.regions small{color:var(--muted)}.network-map{overflow:auto}.network-map table{min-width:570px}.network-map button{width:100%;min-height:38px;border-color:transparent;font:11px var(--mono)}.network-map button[aria-pressed=true]{outline:1px solid white;outline-offset:1px}.network-map th{font-size:11px}.prediction-prefix{font:30px/1.7 Georgia,serif;padding:24px;background:#111;border:1px solid var(--line);border-radius:8px;margin-bottom:20px}.human-border{border-top:3px solid var(--gold)}.machine-border{border-top:3px solid var(--red)}form{margin-bottom:15px}form label{display:block;margin-bottom:8px}.table-scroll{overflow:auto}table{width:100%;border-collapse:collapse;font-size:13px}td,th{padding:13px 10px;text-align:left;border-bottom:1px solid var(--line);line-height:1.65}thead th{color:var(--muted);font-size:11px}tbody th{width:20%;font-weight:500}.mock-header{display:flex;justify-content:space-between;gap:10px;font:11px var(--mono);margin-bottom:18px}.mock-header .badge{font-size:8px}.social-details{display:grid;grid-template-columns:95px 1fr;gap:15px;font-size:13px;line-height:1.65;margin:15px 0}.social-details dt{font-weight:700;color:var(--gold)}.social-details dd{margin:0}.social-diagram{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin:25px 0}.social-diagram>div{flex:1;min-width:130px;padding:20px 12px;text-align:center;border:1px solid #ffffff30;border-radius:7px;font-size:13px}.social-diagram span{display:block;font-size:10px;color:var(--muted);margin-top:8px}.social-diagram b{color:var(--gold)}.three-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.three-cards p{font-size:13px}.social-preview{border:1px solid var(--line);padding:14px;margin-bottom:14px;border-radius:5px;font-size:13px;line-height:1.75}.social-preview strong{color:var(--gold)}.sources{border-top:1px solid var(--line);margin-top:35px;padding:20px 0}.sources details{border:0;padding:0}.sources p{font-size:12px}.sources>.small{font:10px var(--mono);margin:20px 0}.sources .three-cards{margin-bottom:20px}noscript{display:block;padding:20px;border:1px solid var(--gold)}
@media(max-width:1000px){.shell{padding:24px}.tabs button{font-size:12px;gap:7px}.human-grid{grid-template-columns:1fr}.brain-card{max-width:none}#brain-stage{height:470px}.three-cards{gap:12px}.card{padding:20px}}
@media(max-width:700px){.shell{padding:17px 13px}.masthead{font-size:9px}.hero{display:block;padding:27px 0}.hero .lede{margin:20px 0 0;font-size:13px}.tabs{grid-template-columns:repeat(2,1fr)}.tabs button{min-height:50px}.shared{gap:12px}.shared p{min-width:180px;font-size:18px}.shared .small{max-width:none}.section-intro{display:block}.section-intro>.badge{display:inline-block;margin-bottom:14px}.grid,.three-cards{grid-template-columns:1fr}.subnav button{font-size:11px;padding:10px;flex:1;min-width:130px}.moments{grid-template-columns:repeat(3,1fr)}.moments button{min-height:65px;font-size:11px}.card{padding:18px}.next-section{align-items:flex-start;flex-direction:column}#brain-stage{height:330px}.brain-card .toolbar button{flex:1}.brain-card .toolbar label{flex-wrap:wrap}.prediction-prefix{font-size:24px;padding:18px}.bar{grid-template-columns:85px 1fr 39px;gap:7px}.pipeline>div{font-size:11px}.social-diagram{display:grid;grid-template-columns:1fr 20px 1fr}.social-diagram>b:nth-of-type(2){display:none}.social-diagram>div{min-width:0}.social-details{grid-template-columns:75px 1fr;gap:12px}td,th{font-size:12px;padding:10px 7px}.stats{gap:6px}.stats strong{font-size:21px}.stats>div{padding:9px}#human-prediction{width:100%}.mock-header{flex-wrap:wrap}.card .toolbar>button{max-width:100%}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* Keep the comparison's human-left / machine-right mapping in every row. */
#compare .comparison-human-label{color:var(--gold)}
#compare .comparison-machine-label{color:#ff8a93}
.comparison-table{table-layout:fixed}
.comparison-table th,.comparison-table td{width:50%;vertical-align:top;padding:18px}
.comparison-table th:first-child{border-top:3px solid var(--gold)}
.comparison-table th:last-child{border-top:3px solid var(--red)}
.comparison-table th+th,.comparison-table td+td{border-left:1px solid var(--line)}
.comparison-question{display:block;font-size:11px;font-weight:700;color:var(--muted);margin-bottom:7px}
@media(max-width:700px){.comparison-table th,.comparison-table td{padding:12px 9px;overflow-wrap:anywhere}.comparison-question{font-size:10px}}