@font-face{font-family:"Geist";src:url(/fonts/Geist-Variable.woff2) format("woff2");font-weight:100 900;font-display:swap}
@font-face{font-family:"Geist Mono";src:url(/fonts/GeistMono-Variable.woff2) format("woff2");font-weight:100 900;font-display:swap}
:root{
  --bg:#F6F7F8;--surface:#fff;--well:#EDEFF2;--ink:#161B27;--ink-2:#4A5262;--ink-3:#6B7383;--edge:#2B3240;
  --greedy:#C2591C;--local:#6E44B6;--exact:#13806F;--llm:#2F6BB0;--bad:#B32E4D;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#2B3240;--surface:#343C4C;--well:#303847;--ink:#EFF1F5;--ink-2:#C2C8D3;--ink-3:#9AA2B1;--edge:#1B202B;
  --greedy:#D0642A;--local:#9277D6;--exact:#2BA58F;--llm:#5A93D6;--bad:#D65A78;
}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 Geist,system-ui,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-underline-offset:3px;text-decoration-thickness:1px}
.top{max-width:1080px;margin:0 auto;padding:22px 20px;display:flex;justify-content:space-between;align-items:center}
.wm{display:flex;align-items:center;gap:9px;font-weight:700;font-size:22px;letter-spacing:-.04em;text-decoration:none}
.top nav{display:flex;gap:22px;font-size:15px;color:var(--ink-2)}
.top nav a{text-decoration:none}.top nav a:hover{color:var(--ink)}
article,.index{max-width:700px;margin:0 auto;padding:24px 20px 96px}
.kicker{font:500 13px/1 "Geist Mono",monospace;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-3)}
h1{font-size:clamp(34px,5.4vw,52px);line-height:1.06;letter-spacing:-.035em;margin:14px 0 18px;font-weight:700}
.dek{font-size:21px;line-height:1.5;color:var(--ink-2);margin:0 0 28px}
.byline{font-size:14px;color:var(--ink-3);margin-bottom:40px}
h2{font-size:26px;letter-spacing:-.02em;line-height:1.2;margin:56px 0 12px}
h3{font-size:19px;margin:32px 0 6px}
p{margin:0 0 18px}
ul,ol{padding-left:22px;margin:0 0 18px}li{margin:6px 0}
.mono,code{font-family:"Geist Mono",monospace;font-size:.88em}
.figure{margin:36px -60px;background:var(--surface);border-radius:14px;padding:26px 28px 20px;box-shadow:0 2px 0 var(--edge)}
.figure h4{margin:0 0 4px;font-size:16px;letter-spacing:-.01em}
.figure .sub{margin:0 0 16px;font-size:14px;color:var(--ink-3)}
.figure svg{display:block;width:100%;height:auto;overflow:visible}
.figure .note{font-size:13px;color:var(--ink-3);margin:12px 0 0}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:32px 0}
.stat{background:var(--surface);border-radius:12px;padding:18px 18px 14px;box-shadow:0 2px 0 var(--edge)}
.stat b{display:block;font-size:34px;letter-spacing:-.03em;line-height:1.05}
.stat span{font-size:14px;color:var(--ink-2)}
table{width:100%;border-collapse:collapse;font-size:15px;margin:8px 0}
th{text-align:left;font-weight:600;color:var(--ink-2);padding:8px 10px 8px 0;font-size:13px}
td{padding:9px 10px 9px 0;border-top:1px solid var(--well)}
td.n{font-family:"Geist Mono",monospace;font-variant-numeric:tabular-nums}
.key{display:flex;flex-wrap:wrap;gap:16px;font-size:13px;color:var(--ink-2);margin:0 0 12px}
.key i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px;vertical-align:-1px}
.callout{background:var(--well);border-radius:12px;padding:18px 20px;margin:28px 0;font-size:16px}
.callout b{display:block;margin-bottom:4px}
.end{margin-top:56px;padding:24px;background:var(--surface);border-radius:14px;box-shadow:0 2px 0 var(--edge)}
.end p{margin:0 0 12px}
.btn{display:inline-block;background:var(--ink);color:var(--bg);text-decoration:none;font-weight:600;padding:11px 18px;border-radius:9px;box-shadow:0 2px 0 var(--edge)}
footer{max-width:1080px;margin:0 auto;padding:28px 20px 40px;font-size:14px;color:var(--ink-3);display:flex;gap:20px;flex-wrap:wrap}
footer a{text-decoration:none}
.list a{display:block;text-decoration:none;padding:22px 0;border-top:1px solid var(--well)}
.list a b{display:block;font-size:22px;letter-spacing:-.02em;line-height:1.25;margin-bottom:6px}
.list a span{color:var(--ink-2)}
@media (max-width:820px){.figure{margin:32px 0;padding:18px 16px 14px}.stats{grid-template-columns:1fr}}

/* ---------- landing kit: boards, chips, pips, jacks ---------- */
:root{--p1:#2F6BB0;--p2:#13806F;--p3:#C2591C;--p4:#6E44B6;--p5:#B32E4D;--danger:#C8261E;--amber:#C98A10;
  --under:hsl(220 16% 82%);--seat:0 1px 0 rgb(16 24 40/.14),0 2px 2px -1px rgb(16 24 40/.11);
  --bevel:inset 0 1px 0 rgb(255 255 255/.22),inset 0 -2px 0 rgb(0 0 0/.20);--well-in:inset 0 1px 2px rgb(16 24 40/.08)}
@media (prefers-color-scheme:dark){:root{--p1:#3A78C2;--p2:#178C7C;--p3:#D0642A;--p4:#7D55C8;--p5:#C43E5C;
  --under:hsl(222 28% 14%);--seat:0 1px 0 hsl(222 30% 12%/.7),0 2px 3px -1px hsl(222 30% 10%/.6);--well-in:inset 0 1px 2px hsl(222 30% 10%/.45)}}
.board{position:relative;background:var(--surface);border-radius:12px;box-shadow:3px 4px 0 var(--under);padding:16px 16px 14px}
.grid{display:grid;grid-template-columns:96px repeat(var(--n),1fr);gap:6px;align-items:center}
.grid .h{font:500 12px/1.2 "Geist Mono",monospace;color:var(--ink-3);text-align:center;padding-bottom:2px}
.grid .h b{display:block;color:var(--ink);font-weight:600}
.grid .lane{font-size:13px;font-weight:600;color:var(--ink)}
.seat{height:34px;border-radius:7px;background:var(--well);box-shadow:var(--well-in);display:grid;place-items:center;padding:2px}
.ch{--c:var(--p1);display:flex;align-items:center;justify-content:center;gap:5px;width:100%;height:28px;border-radius:5px;background:var(--c);color:#fff;font-size:12.5px;font-weight:600;letter-spacing:.01em;box-shadow:var(--bevel),var(--seat);white-space:nowrap}
.ch i{font:600 10px/15px "Geist Mono",monospace;font-style:normal;min-width:15px;height:15px;text-align:center;border-radius:3px;background:rgb(0 0 0/.24)}
.ch.bad{outline:2px solid var(--danger);outline-offset:2px}
.ch.warn{outline:2px solid var(--amber);outline-offset:2px}
.tag{display:inline-flex;align-items:center;gap:6px;font:600 12px/1 Geist,sans-serif;padding:6px 9px;border-radius:999px;background:var(--well);color:var(--ink-2)}
.tag.bad{background:color-mix(in srgb,var(--danger) 14%,transparent);color:var(--danger)}
.tag.ok{background:color-mix(in srgb,var(--p2) 16%,transparent);color:var(--p2)}
.pair{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.pair .board h5{margin:0 0 10px;font-size:13px;color:var(--ink-2);font-weight:600;display:flex;justify-content:space-between;align-items:center;gap:8px}
.dist{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;gap:8px;align-items:end;height:290px;padding:12px 14px 0;background:var(--well);border-radius:10px;box-shadow:var(--well-in);position:relative}
.dist .col{display:flex;flex-direction:column-reverse;align-items:center;gap:3px}
.dist .pip{width:min(34px,100%);height:11px;border-radius:3px;background:var(--c);box-shadow:inset 0 -2px 0 rgb(0 0 0/.18)}
.dist .who{font:500 11px/28px "Geist Mono",monospace;height:28px;color:var(--ink-3);order:-1}
.dist .n{font:600 12px "Geist Mono",monospace;color:var(--ink);padding-bottom:4px}
.dist .n.bad{color:var(--danger)}
.dist .target{position:absolute;left:8px;right:8px;border-top:2px dashed color-mix(in srgb,var(--ink) 35%,transparent)}
.dist .target span{position:absolute;right:0;top:-20px;font:500 11px "Geist Mono",monospace;color:var(--ink-2)}
.jk{display:block;width:30px;height:30px}
.sep{display:flex;justify-content:center;gap:14px;margin:56px 0 0}
.sep .jk{width:22px;height:22px}
.toss{position:absolute;pointer-events:none}
.hero-art{position:relative;margin:8px -60px 44px}
.hero-art .toss{animation:drop 900ms cubic-bezier(.3,1.4,.5,1) both}
@keyframes drop{from{transform:translateY(-60px) rotate(-140deg);opacity:0}to{opacity:1}}
@media (prefers-reduced-motion:reduce){.hero-art .toss{animation:none}}
.end{position:relative}
.end .toss{right:-14px;top:-18px;width:44px;height:44px;transform:rotate(18deg)}
@media (max-width:820px){.hero-art{margin:8px 0 36px}.grid{grid-template-columns:70px repeat(var(--n),1fr);gap:4px}.ch{font-size:11px}.ch i{display:none}.pair{grid-template-columns:1fr}}
html,body{overflow-x:clip}
.callout.answer{background:var(--surface);box-shadow:3px 4px 0 var(--under);font-size:17px}
.quote{font-size:19px;line-height:1.5;letter-spacing:-.01em;border-left:4px solid var(--p2);padding-left:16px}