@import url('/fonts/fonts.css');
:root{color-scheme:dark;--bg:#111410;--panel:#1c211b;--ink:#f1efdf;--quiet:#b3baaa;--line:#3c4436;--acid:#d9f58c;--green:#96c9a5;--red:#ffa17f;--blue:#8dc4e5;--serif:'Fraunces',Georgia,serif;--mono:'Martian Mono',monospace}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,sans-serif;font-size:17px;line-height:1.65}a{color:var(--acid);text-underline-offset:4px}a:hover{color:white}button,select,input{font:inherit}button,select{border:1px solid var(--line);background:#232a20;color:var(--ink);border-radius:3px;min-height:44px;padding:9px 14px}button{cursor:pointer}button:hover{border-color:var(--acid)}button:disabled{opacity:.4;cursor:default}select{max-width:100%}button.primary{background:var(--acid);color:var(--bg);border-color:var(--acid);font-weight:650}button.small{padding:6px 11px;font-size:14px}:focus-visible{outline:3px solid var(--acid);outline-offset:4px}input[type=range]{accent-color:var(--acid);min-height:44px;width:100%}label{display:flex;flex-direction:column;gap:5px;font-size:14px;color:var(--quiet)}.skip{position:fixed;top:8px;left:8px;transform:translateY(-180%);z-index:99;background:var(--acid);color:var(--bg);padding:10px}.skip:focus{transform:none}
nav{max-width:1200px;margin:auto;padding:22px 30px;display:flex;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line);font:11px var(--mono);text-transform:uppercase;letter-spacing:.07em}nav a{color:var(--quiet)}.nav-jumps{display:flex;gap:20px}main{max-width:1200px;margin:auto;padding:0 30px}.hero{padding:80px 0 48px;display:grid;grid-template-columns:1fr 210px;gap:40px}.eyebrow,.eyebrow-small{font:11px var(--mono);text-transform:uppercase;letter-spacing:.13em;color:var(--acid)}.eyebrow-small{color:var(--quiet);margin-bottom:10px}h1{font:400 clamp(46px,6.4vw,82px)/1.07 var(--serif);letter-spacing:-.045em;margin:24px 0;max-width:750px}h2{font:400 clamp(32px,4vw,48px)/1.16 var(--serif);letter-spacing:-.02em;margin:12px 0 26px}h3{font:400 27px/1.25 var(--serif);margin:14px 0}.hero p{max-width:700px}.hero-line{color:var(--acid);font:400 23px/1.4 var(--serif)}.result{align-self:center;padding:26px 0 26px 28px;border-left:1px solid var(--line)}.result strong{font:400 33px var(--serif);color:var(--acid);white-space:nowrap}.result p{font:11px/1.8 var(--mono);color:var(--quiet)}.plain{padding:20px 24px;margin:0 0 52px;border-left:2px solid var(--acid);background:var(--panel);font-size:15px;color:var(--quiet)}section{padding:55px 0;border-top:1px solid var(--line);scroll-margin-top:20px}.section-head{display:grid;grid-template-columns:230px 1fr;gap:35px;margin-bottom:25px}.section-head h2{margin-top:7px}.section-head p{margin-top:10px;max-width:760px}.experiment{display:grid;grid-template-columns:minmax(0,1fr) 300px;border:1px solid var(--line);background:var(--panel)}.drawing{min-width:0;position:relative;background:radial-gradient(ellipse at center,#252c1e 0%,#181e17 65%);padding:10px}.drawing svg{display:block;width:100%;height:auto;overflow:hidden}.unit-edge{stroke:var(--green);stroke-width:1.7;opacity:.65}.lost-edge{stroke:var(--red);stroke-width:1;stroke-dasharray:4 5;opacity:.28}.point circle{fill:#d3e4bc;stroke:var(--bg);stroke-width:2}.point text{fill:var(--quiet);font:11px var(--mono)}.point{cursor:grab;touch-action:none;outline:none}.point.selected circle{fill:var(--acid);stroke:var(--acid);stroke-width:4}.point:focus-visible circle{stroke:var(--red);stroke-width:5}.point:focus-visible text,.point.selected text{fill:var(--ink)}.scale-key line{stroke:var(--quiet);stroke-width:2}.scale-key text{fill:var(--quiet);font:12px var(--mono)}.sidebar{padding:26px;border-left:1px solid var(--line);display:flex;flex-direction:column;gap:17px}.live-count{font:400 70px/1 var(--serif);color:var(--acid)}.readout{font:12px/1.7 var(--mono);color:var(--quiet);overflow-wrap:anywhere}.readout.good{color:var(--green)}.readout.bad{color:var(--red)}.controls{display:flex;flex-wrap:wrap;align-items:end;gap:12px;margin:16px 0}.controls label{flex:1;min-width:130px}.controls>*{max-width:100%}.nudge{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.nudge button{padding:6px}.muted{color:var(--quiet)}.caption{font-size:13px;color:var(--quiet);margin:16px 0 0}.math{font:14px/1.9 var(--mono);overflow-wrap:anywhere;color:var(--acid)}details{border:1px solid var(--line);padding:16px 20px;margin:24px 0;background:var(--panel)}summary{cursor:pointer;font-family:var(--serif);font-size:21px}details p{max-width:900px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:30px}.conditions{padding:0;list-style:none;counter-reset:condition}.conditions li{position:relative;border-top:1px solid var(--line);padding:20px 0 20px 48px;margin:0;counter-increment:condition}.conditions li:before{content:counter(condition,upper-roman);position:absolute;left:0;color:var(--acid);font:14px var(--mono);top:26px}.conditions strong{display:block;color:var(--ink);font-family:var(--serif);font-size:22px;margin-bottom:5px}.conditions p{margin:0;color:var(--quiet);font-size:15px}.instrument{padding:22px;border:1px solid var(--line);background:var(--panel);min-width:0}.reach-cells{display:flex;flex-wrap:wrap;gap:6px}.reach-cells span{border:1px solid var(--line);padding:6px 10px;font:12px var(--mono);color:var(--acid)}.scroll{max-width:100%;overflow-x:auto;margin:20px 0;overscroll-behavior-inline:contain}table{border-collapse:collapse;width:100%;font:12px/1.7 var(--mono);white-space:nowrap;text-align:right}th{font-weight:400;color:var(--quiet);padding:12px 14px;border-bottom:1px solid var(--line)}td{padding:11px 14px;border-bottom:1px solid #2c3328}th:first-child,td:first-child{text-align:left}tbody tr:hover{background:#21291d}.funnel-bars{display:grid;gap:10px;margin:25px 0}.bar-row{display:grid;grid-template-columns:35px 1fr 115px;gap:14px;align-items:center;font:11px var(--mono)}.bar-track{height:16px;background:#293322;position:relative}.bar-fill{height:100%;background:var(--green)}.bar-row:last-child .bar-fill{background:var(--red)}.archive-label{display:inline-block;border:1px solid var(--line);padding:4px 8px;font:10px var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--quiet)}.survivor-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.graph-svg{width:100%;height:auto;display:block;background:#171d16;border:1px solid var(--line)}.graph-edge{stroke:#64715b;stroke-width:1.4;opacity:.48}.move-edge{stroke-width:4;opacity:1}.move-0{stroke:var(--acid)}.move-1{stroke:var(--red)}.move-2{stroke:var(--blue)}.graph-point circle{fill:#1b2318;stroke:#9fad95;stroke-width:1}.graph-point.highlighted circle{fill:var(--acid);stroke:var(--acid)}.graph-point text{fill:var(--ink);font:10px var(--mono)}.graph-point.highlighted text{fill:var(--bg)}.tree{display:grid;gap:10px;margin:18px 0}.tree-generation{display:grid;gap:7px}.tree-generation button{font:11px var(--mono);padding:7px 3px;line-height:1.6}.tree-generation button[aria-pressed=true]{border-color:var(--acid);background:#354424;color:var(--acid)}.tree-generation button.leaf{border-color:#79523b;color:var(--red)}.tree-generation button.leaf[aria-pressed=true]{background:#432b1d}.node-path{font:11px var(--mono);color:var(--quiet);overflow-wrap:anywhere}.node-detail{border-left:3px solid var(--acid);padding:12px 18px;background:var(--panel);min-height:260px}.node-detail.leaf{border-color:var(--red)}.node-detail .math{font-size:12px}.node-detail p{margin:10px 0;font-size:15px}.node-detail .verdict{font:400 28px var(--serif);color:var(--red)}.tree-rank{display:block;color:var(--quiet);font-size:9px}pre{font:11px/1.8 var(--mono);overflow-x:auto;max-height:340px;padding:14px;background:var(--bg);color:var(--quiet)}.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.check-card{border:1px solid var(--line);padding:22px;background:var(--panel)}.check-card p{font-size:14px;color:var(--quiet)}.check-card h3{font-size:24px}.check-card a{font-size:12px}.status-box{border-left:3px solid var(--green);background:#18241b;padding:18px 22px;margin:22px 0}.status-box p{margin:6px 0}.scope{max-width:900px}footer{max-width:1200px;margin:auto;border-top:1px solid var(--line);padding:25px 30px 45px;color:var(--quiet);font:11px/1.9 var(--mono)}.error{border:1px solid var(--red);color:var(--red);padding:20px} [hidden]{display:none!important}
@media(max-width:850px){.hero{grid-template-columns:1fr 170px;gap:20px}.result{padding-left:16px}.result strong{font-size:27px}.section-head{grid-template-columns:180px 1fr}.experiment{grid-template-columns:minmax(0,1fr) 230px}.sidebar{padding:20px}.survivor-grid{grid-template-columns:1fr}.two-col{gap:20px}.tree-generation{gap:10px}.tree-generation button{font-size:12px}}
@media(max-width:600px){body{font-size:16px}nav{padding:18px 16px;font-size:9px}.nav-jumps{gap:12px}.nav-jumps a:first-child{display:none}main{padding:0 16px}.hero{display:block;padding:43px 0 28px}.hero h1{font-size:53px}.hero-line{font-size:21px}.result{border-left:0;border-top:1px solid var(--line);margin-top:25px;padding:18px 0;display:flex;align-items:center;justify-content:space-between;gap:15px}.result strong{font-size:32px}.result p{max-width:145px;margin:0}.plain{padding:16px;margin-bottom:30px}.section-head{display:block}.section-head h2{margin-bottom:17px}section{padding:34px 0}.experiment{display:block}.sidebar{border-left:0;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;gap:15px;padding:20px}.sidebar .live-summary{grid-column:1/-1;display:flex;align-items:center;gap:20px}.sidebar .live-count{font-size:56px}.sidebar .controls-wide{grid-column:1/-1}.drawing{padding:0}.two-col,.check-grid{grid-template-columns:1fr}.instrument{padding:18px}.controls label{min-width:110px}th,td{padding:10px 12px}details{padding:14px}.bar-row{grid-template-columns:26px 1fr 105px;gap:9px;font-size:10px}.tree-generation:last-child{grid-template-columns:repeat(4,minmax(0,1fr))!important}.tree-generation button{font-size:10px}.node-detail{padding:12px}.conditions li{padding-left:40px}footer{padding:22px 16px}.math{font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}

.start-link{display:inline-block;border-bottom:1px solid var(--acid);font:12px var(--mono);padding:8px 0;text-decoration:none}
.introduction{max-width:900px;margin-bottom:34px}.introduction p{overflow-wrap:anywhere}
@media(max-width:600px){.point text,.scale-key text{font-size:22px}.graph-point text{font-size:20px}.graph-point circle{r:17px}}