/* MaxMatch project page — self-contained, no external requests */
@font-face{font-family:"Fraunces";font-weight:400;font-style:normal;font-display:swap;src:url(../fonts/fraunces-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"Fraunces";font-weight:400;font-style:italic;font-display:swap;src:url(../fonts/fraunces-latin-400-italic.woff2) format("woff2")}
@font-face{font-family:"Fraunces";font-weight:600;font-style:normal;font-display:swap;src:url(../fonts/fraunces-latin-600-normal.woff2) format("woff2")}
@font-face{font-family:"Fraunces";font-weight:700;font-style:normal;font-display:swap;src:url(../fonts/fraunces-latin-700-normal.woff2) format("woff2")}
@font-face{font-family:"Plex";font-weight:400;font-style:normal;font-display:swap;src:url(../fonts/ibm-plex-sans-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"Plex";font-weight:400;font-style:italic;font-display:swap;src:url(../fonts/ibm-plex-sans-latin-400-italic.woff2) format("woff2")}
@font-face{font-family:"Plex";font-weight:500;font-style:normal;font-display:swap;src:url(../fonts/ibm-plex-sans-latin-500-normal.woff2) format("woff2")}
@font-face{font-family:"Plex";font-weight:600;font-style:normal;font-display:swap;src:url(../fonts/ibm-plex-sans-latin-600-normal.woff2) format("woff2")}
@font-face{font-family:"Plex";font-weight:700;font-style:normal;font-display:swap;src:url(../fonts/ibm-plex-sans-latin-700-normal.woff2) format("woff2")}
@font-face{font-family:"PlexMono";font-weight:400;font-style:normal;font-display:swap;src:url(../fonts/ibm-plex-mono-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"PlexMono";font-weight:500;font-style:normal;font-display:swap;src:url(../fonts/ibm-plex-mono-latin-500-normal.woff2) format("woff2")}
@font-face{font-family:"PlexMono";font-weight:600;font-style:normal;font-display:swap;src:url(../fonts/ibm-plex-mono-latin-600-normal.woff2) format("woff2")}

:root{
  --bg:#F6F2E9; --bg2:#EFE9DB; --card:#FFFDF8; --ink:#15172B; --ink2:#3A3D55; --muted:#6A6D85;
  --line:#DDD6C4; --line2:#C9C1AC;
  --night:#0F1124; --night2:#191C38; --night-line:#2C3058; --night-ink:#EEEBFA; --night-muted:#A3A6C6;
  --e1:#EC5B55; --e2:#18A27B; --e3:#3B7DF0; --e4:#9B5DE5;
  --e1s:#FBE1DE; --e2s:#D6F1E7; --e3s:#DDE8FD; --e4s:#EADFFA;
  --gold:#E9A820; --golds:#FBEFCB; --bad:#C2413B; --good:#12805F;
  --serif:"Fraunces",Georgia,"Times New Roman",serif;
  --sans:"Plex",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:"PlexMono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --r:14px; --shadow:0 1px 0 rgba(21,23,43,.04),0 10px 30px -14px rgba(21,23,43,.22);
  --w:1140px;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;scroll-padding-top:72px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.62;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit}
button{font:inherit;color:inherit;cursor:pointer}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.12;margin:0;letter-spacing:-.012em;text-wrap:balance}
p{margin:0 0 1em;text-wrap:pretty}
code,.mono{font-family:var(--mono);font-size:.9em}
.wrap{max-width:var(--w);margin:0 auto;padding:0 24px}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums}
::selection{background:var(--gold);color:var(--ink)}
:focus-visible{outline:2px solid var(--e3);outline-offset:2px;border-radius:6px}

/* ---------- nav ---------- */
.nav{position:fixed;inset:0 0 auto 0;z-index:50;height:56px;display:flex;align-items:center;background:rgba(15,17,36,.86);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.07);color:var(--night-ink)}
.nav .wrap{display:flex;align-items:center;gap:22px;width:100%}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-weight:700;font-size:19px;text-decoration:none;letter-spacing:-.01em;flex:none}
.brand svg{width:26px;height:26px}
.nav-links{display:flex;gap:2px;margin-left:auto;overflow-x:auto;scrollbar-width:none}
.nav-links::-webkit-scrollbar{display:none}
.nav-links a{font-size:14px;font-weight:500;text-decoration:none;color:var(--night-muted);padding:7px 11px;border-radius:99px;white-space:nowrap;transition:color .15s,background .15s}
.nav-links a:hover{color:#fff}
.nav-links a.on{color:var(--night);background:var(--gold)}
.progress{position:absolute;left:0;bottom:-1px;height:2px;width:0;background:linear-gradient(90deg,var(--e1),var(--gold),var(--e2),var(--e3),var(--e4))}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--night);color:var(--night-ink);padding:118px 0 0;overflow:hidden}
.hero canvas{position:absolute;inset:0;width:100%;height:100%;opacity:.9}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(1000px 520px at 22% 38%,rgba(15,17,36,.93) 0%,rgba(15,17,36,.72) 48%,rgba(15,17,36,.12) 100%);pointer-events:none}
.hero .wrap{position:relative;z-index:2}
.venue{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--gold);border:1px solid rgba(233,168,32,.45);padding:6px 12px;border-radius:99px;background:rgba(233,168,32,.08)}
.venue i{width:6px;height:6px;border-radius:50%;background:var(--gold);display:block}
.hero h1{font-size:clamp(44px,7.6vw,104px);font-weight:700;letter-spacing:-.035em;line-height:.95;margin:26px 0 18px;max-width:11ch}
.hero h1 em{font-style:italic;font-weight:400;color:var(--gold)}
.hero .sub{font-family:var(--serif);font-size:clamp(20px,2.5vw,30px);font-weight:400;color:#D5D2EC;max-width:26ch;line-height:1.2;margin-bottom:26px}
.hero .lede{max-width:52ch;color:var(--night-muted);font-size:18px}
.hero .lede b{color:var(--night-ink);font-weight:600}
.authors{display:flex;flex-wrap:wrap;gap:6px 22px;margin:28px 0 6px;font-weight:500;font-size:18px}
.affil{color:var(--night-muted);font-size:15px;margin-bottom:30px}
.cta{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-flex;align-items:center;gap:9px;padding:12px 20px;border-radius:99px;font-weight:600;font-size:15.5px;text-decoration:none;border:1px solid transparent;transition:transform .15s,background .15s,border-color .15s}
.btn svg{width:17px;height:17px;flex:none}
.btn:hover{transform:translateY(-1px)}
.btn.primary{background:var(--gold);color:var(--night)}
.btn.primary:hover{background:#F5BC3F}
.btn.ghost{border-color:rgba(255,255,255,.24);color:var(--night-ink);background:rgba(255,255,255,.04)}
.btn.ghost:hover{border-color:rgba(255,255,255,.55)}
.statbar{position:relative;z-index:2;margin-top:64px;border-top:1px solid var(--night-line);background:rgba(15,17,36,.6);backdrop-filter:blur(6px)}
.statbar .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:24px 22px 26px;border-left:1px solid var(--night-line)}
.stat:first-child{border-left:0;padding-left:0}
.stat b{display:block;font-family:var(--serif);font-size:clamp(30px,3.6vw,46px);font-weight:600;letter-spacing:-.03em;line-height:1}
.stat b small{font-size:.48em;font-family:var(--mono);font-weight:500;letter-spacing:0;color:var(--gold);margin-left:6px}
.stat span{display:block;font-size:13.5px;color:var(--night-muted);margin-top:9px;line-height:1.4}

/* ---------- sections ---------- */
section{padding:104px 0;position:relative}
section.tint{background:var(--bg2)}
section.dark{background:var(--night);color:var(--night-ink)}
.eyebrow{display:flex;align-items:center;gap:12px;font-family:var(--mono);font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:18px}
.eyebrow::before{content:"";width:34px;height:1px;background:currentColor;opacity:.6}
.dark .eyebrow{color:var(--gold)}
h2{font-size:clamp(34px,4.7vw,58px);letter-spacing:-.028em;max-width:20ch;margin-bottom:22px}
h2 em{font-style:italic;font-weight:400}
h3{font-size:25px;margin-bottom:10px}
.lead{font-size:20px;color:var(--ink2);max-width:66ch;line-height:1.55}
.dark .lead{color:#C9C6E4}
.prose{max-width:66ch;color:var(--ink2)}
.prose b,.lead b{color:var(--ink);font-weight:600}
.dark .prose,.dark .prose b,.dark .lead b{color:var(--night-ink)}
.dark .prose{color:#C9C6E4}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.mt{margin-top:44px}.mt-s{margin-top:22px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px;box-shadow:var(--shadow)}
.dark .card{background:var(--night2);border-color:var(--night-line);box-shadow:none}
.pill{display:inline-flex;align-items:center;gap:6px;font-family:var(--mono);font-size:11.5px;letter-spacing:.07em;text-transform:uppercase;padding:3px 9px;border-radius:99px;border:1px solid var(--line2);color:var(--muted);white-space:nowrap}
.pill.ours{background:var(--golds);border-color:var(--gold);color:#7A5505}
.pill.bad{background:#FBE4E2;border-color:#E9A7A2;color:var(--bad)}
.pill.good{background:var(--e2s);border-color:#8FD3BC;color:var(--good)}
.dark .pill{border-color:var(--night-line);color:var(--night-muted)}
.dark .pill.bad{background:rgba(236,91,85,.14);border-color:rgba(236,91,85,.6);color:#FF9C97}
.toy .pill.bad{background:#FBE4E2;border-color:#E9A7A2;color:var(--bad)}
.dark .pill.ours{background:rgba(233,168,32,.14);border-color:var(--gold);color:var(--gold)}
.note{font-size:14px;color:var(--muted);line-height:1.5}
.dark .note{color:var(--night-muted)}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* element chips */
.el{display:inline-grid;place-items:center;width:26px;height:26px;border-radius:8px;font-family:var(--mono);font-weight:600;font-size:13px;color:#fff;flex:none}
.el.c0{background:var(--e1)}.el.c1{background:var(--e2)}.el.c2{background:var(--e3)}.el.c3{background:var(--e4)}
.el.round{border-radius:50%}

/* tabs / segmented */
.seg{display:inline-flex;background:var(--bg2);border:1px solid var(--line);border-radius:99px;padding:4px;gap:2px;flex-wrap:wrap}
.tint .seg{background:var(--bg)}
.seg button{border:0;background:transparent;padding:8px 16px;border-radius:99px;font-size:14.5px;font-weight:600;color:var(--muted);transition:background .15s,color .15s}
.seg button:hover{color:var(--ink)}
.seg button[aria-pressed="true"]{background:var(--ink);color:#fff}
.seg button[aria-pressed="true"].is-ours{background:var(--gold);color:var(--night)}
.dark .seg{background:var(--night2);border-color:var(--night-line)}
.dark .seg button{color:var(--night-muted)}
.dark .seg button:hover{color:#fff}
.dark .seg button[aria-pressed="true"]{background:var(--night-ink);color:var(--night)}
.dark .seg button[aria-pressed="true"].is-ours{background:var(--gold)}
.ctrl{display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px}
.ctrl label{font-size:13.5px;color:var(--muted);font-weight:500;display:flex;align-items:center;gap:10px}
.dark .ctrl label{color:var(--night-muted)}
.sbtn{border:1px solid var(--line2);background:var(--card);border-radius:99px;padding:7px 14px;font-size:14px;font-weight:600;transition:border-color .15s,background .15s}
.sbtn:hover{border-color:var(--ink)}
.dark .sbtn{background:transparent;border-color:var(--night-line);color:var(--night-ink)}
.dark .sbtn:hover{border-color:var(--night-ink)}
.sbtn.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.dark .sbtn.on{background:var(--gold);color:var(--night);border-color:var(--gold)}
input[type=range]{-webkit-appearance:none;appearance:none;height:4px;border-radius:4px;background:var(--line2);width:150px;outline-offset:6px}
.dark input[type=range]{background:var(--night-line)}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;border-radius:50%;background:var(--ink);border:3px solid var(--card);box-shadow:0 0 0 1px var(--ink);cursor:grab}
input[type=range]::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:var(--ink);border:3px solid var(--card);box-shadow:0 0 0 1px var(--ink);cursor:grab}
.dark input[type=range]::-webkit-slider-thumb{background:var(--gold);border-color:var(--night);box-shadow:0 0 0 1px var(--gold)}
.dark input[type=range]::-moz-range-thumb{background:var(--gold);border-color:var(--night);box-shadow:0 0 0 1px var(--gold)}

/* math */
.eq{overflow-x:auto;overflow-y:hidden;padding:14px 4px;margin:10px 0}
.eq .katex-display{margin:0}
.katex{font-size:1.06em}
.eqcard{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:8px 22px;margin:16px 0}
.dark .eqcard{background:var(--night2);border-color:var(--night-line)}

/* ---------- problem ---------- */
.tldr{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--card);box-shadow:var(--shadow)}
.tldr>div{padding:28px;border-left:1px solid var(--line)}
.tldr>div:first-child{border-left:0}
.tldr .k{font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
.tldr h3{font-size:23px}
.tldr p{margin:0;color:var(--ink2);font-size:16px}
.o2m{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:34px;align-items:center}
.o2m figure{margin:0;border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);background:#000;position:relative}
.o2m figure img{width:100%;max-height:440px;object-fit:cover}
.o2m figcaption{position:absolute;left:10px;bottom:10px;font-family:var(--mono);font-size:11.5px;background:rgba(15,17,36,.75);color:#fff;padding:4px 9px;border-radius:99px}
.caplist{display:flex;flex-direction:column;gap:10px;list-style:none;margin:0;padding:0}
.caplist li{display:flex;gap:12px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 14px;font-size:16px;line-height:1.4;transition:transform .2s,border-color .2s,box-shadow .2s}
.caplist li:hover{transform:translateX(4px);border-color:var(--ink);box-shadow:var(--shadow)}
.caplist li span.q{font-family:var(--serif);font-size:26px;line-height:.9;color:var(--line2)}
.fail{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.fail .card h3{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.fail svg{width:100%;height:auto;margin-top:8px}

/* ---------- similarity lab ---------- */
.lab{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:26px;align-items:stretch}
.lab .panel{background:var(--night2);border:1px solid var(--night-line);border-radius:var(--r);padding:22px}
.lab h4{font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--night-muted);font-weight:500;margin-bottom:14px}
.matrix{display:grid;grid-template-columns:34px repeat(4,1fr);gap:6px;align-items:center;max-width:430px}
.matrix .hd{display:grid;place-items:center}
.cell{position:relative;aspect-ratio:1.25;border-radius:10px;display:grid;place-items:center;font-family:var(--mono);font-size:15px;font-weight:500;color:var(--night-ink);border:1px solid rgba(255,255,255,.06);cursor:ns-resize;user-select:none;touch-action:none;transition:box-shadow .2s,transform .12s}
.cell:hover{transform:scale(1.04)}
.cell.g{box-shadow:0 0 0 2px var(--gold),0 0 18px rgba(233,168,32,.45)}
.cell .gw{position:absolute;right:5px;bottom:3px;font-size:9.5px;color:var(--gold);opacity:.95}
.cell.dead{opacity:.5}
.scores{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:18px}
.score{border:1px solid var(--night-line);border-radius:12px;padding:12px 12px 10px;transition:border-color .2s,background .2s;cursor:pointer;text-align:left;background:transparent;color:inherit}
.score.on{border-color:var(--gold);background:rgba(233,168,32,.09)}
.score .t{font-size:12.5px;color:var(--night-muted);font-weight:500}
.score .v{font-family:var(--mono);font-size:24px;font-weight:500;margin-top:2px}
.score .u{font-size:12px;color:var(--night-muted);margin-top:2px}
.score .u b{color:var(--gold);font-weight:600}
#bip{width:100%;height:auto;display:block}
.lab .explain{font-size:15.5px;color:#C9C6E4;margin:14px 0 0;min-height:5.2em}
.lab .explain b{color:#fff}

/* ---------- toy simulator ---------- */
.toy{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.toy .t{color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px 16px 14px;box-shadow:var(--shadow);position:relative}
.toy .t.ours{border-color:var(--gold);box-shadow:0 0 0 3px var(--golds),var(--shadow)}
.toy .t header{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:4px}
.toy .t header b{font-family:var(--serif);font-size:20px;font-weight:600}
.toy canvas{width:100%;aspect-ratio:1;display:block}
.toy .m{display:grid;grid-template-columns:1fr 1fr;gap:8px;font-size:12.5px;color:var(--muted);border-top:1px dashed var(--line2);padding-top:10px}
.toy .m b{display:block;font-family:var(--mono);font-size:17px;color:var(--ink);font-weight:500}
.toy .verdict{font-size:13.5px;margin-top:8px;color:var(--ink2);min-height:2.9em}
.legend{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:13.5px;color:var(--muted);align-items:center}
.legend span{display:inline-flex;align-items:center;gap:7px}
.legend svg{width:16px;height:16px}

/* ---------- losses ---------- */
.objective{font-family:var(--serif);font-size:clamp(19px,2.5vw,29px);display:flex;flex-wrap:wrap;align-items:center;gap:8px 6px;line-height:1.2}
.objective .op{color:var(--muted);padding:0 2px}
.term{border:1px solid var(--line2);background:var(--card);border-radius:12px;padding:9px 13px;transition:all .16s;position:relative}
.term:hover{border-color:var(--ink);transform:translateY(-2px)}
.term[aria-pressed=true]{background:var(--ink);color:#fff;border-color:var(--ink)}
.term.new::after{content:"new";position:absolute;top:-9px;right:-7px;font-family:var(--mono);font-size:9.5px;letter-spacing:.08em;text-transform:uppercase;background:var(--gold);color:var(--night);padding:1px 6px;border-radius:99px;font-weight:600}
.term sub{font-family:var(--mono);font-size:.5em;letter-spacing:.03em}
.termcard{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:30px;margin-top:22px;align-items:center}
.termcard .role{font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.termcard h3{font-size:30px;margin:6px 0 10px}
.termcard svg{width:100%;height:auto}
.lossx{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:26px}
.lossx svg{width:100%;height:auto;display:block;touch-action:none}
.readout{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}
.readout div{border:1px solid var(--line);border-radius:10px;padding:10px 12px;font-size:12.5px;color:var(--muted);background:var(--bg)}
.readout b{display:block;font-family:var(--mono);font-size:19px;font-weight:500;color:var(--ink)}

/* ---------- architecture ---------- */
.arch{display:grid;grid-template-columns:1fr;gap:16px}
.arch .stage{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px;box-shadow:var(--shadow);overflow-x:auto}
.arch svg{width:100%;min-width:640px;height:auto;display:block}
.arch .blk{cursor:pointer;transition:opacity .25s}
.arch .blk rect.b,.arch .blk path.b{transition:stroke .2s,stroke-width .2s,fill .2s}
.arch svg.has-sel .blk:not(.sel){opacity:.4}
.arch .blk.sel rect.b,.arch .blk.sel path.b{stroke:var(--ink);stroke-width:2.4}
.arch .flow{stroke-dasharray:5 7;animation:dash 1.1s linear infinite}
@keyframes dash{to{stroke-dashoffset:-12}}
.steps{display:grid;grid-template-columns:repeat(7,1fr);gap:8px}
.step{display:flex;flex-direction:column;gap:8px;text-align:left;border:1px solid var(--line);background:var(--card);border-radius:12px;padding:11px 12px;transition:all .16s}
.step:hover{border-color:var(--ink)}
.step i{font-style:normal;font-family:var(--mono);font-size:12.5px;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line2);color:var(--muted);flex:none}
.step b{font-size:14px;display:block;line-height:1.25}
.step p{display:none}
.step[aria-pressed=true]{border-color:var(--ink);box-shadow:var(--shadow);background:var(--ink);color:#fff}
.step[aria-pressed=true] i{background:var(--gold);color:var(--night);border-color:var(--gold)}
.step.new i{border-color:var(--gold);color:#7A5505;background:var(--golds)}
.archdesc{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--gold);border-radius:12px;padding:18px 22px;min-height:104px}
.archdesc b{font-family:var(--serif);font-size:22px;font-weight:600;display:block;margin-bottom:6px}
.archdesc p{margin:0;color:var(--ink2);max-width:90ch}
details.fig{margin-top:22px;border:1px solid var(--line);border-radius:var(--r);background:var(--card)}
details.fig summary{cursor:pointer;padding:14px 18px;font-weight:600;font-size:15px;list-style:none;display:flex;align-items:center;gap:10px}
details.fig summary::-webkit-details-marker{display:none}
details.fig summary::before{content:"+";font-family:var(--mono);width:22px;height:22px;display:grid;place-items:center;border:1px solid var(--line2);border-radius:50%}
details.fig[open] summary::before{content:"–"}
details.fig .in{padding:0 18px 18px}
details.fig img{border-radius:8px;background:#fff;width:100%}
.ti{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.ti .card h3{display:flex;gap:10px;align-items:center;font-size:22px}
.ti code{background:var(--bg2);padding:1px 6px;border-radius:5px}

/* ---------- evidence ---------- */
.heat3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.heat{background:var(--night2);border:1px solid var(--night-line);border-radius:var(--r);padding:18px}
.heat.ours{border-color:var(--gold)}
.heat header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;gap:8px}
.heat header b{font-family:var(--serif);font-size:21px;font-weight:600}
.hm{display:grid;grid-template-columns:26px repeat(4,1fr);gap:4px;align-items:center}
.hm .hd{display:grid;place-items:center}
.hm .hd .el{width:22px;height:22px;font-size:11px;border-radius:6px}
.hm .c{aspect-ratio:1.2;border-radius:7px;display:grid;place-items:center;font-family:var(--mono);font-size:13.5px;transition:transform .15s}
.hm .c:hover{transform:scale(1.07)}
.heat p{font-size:14px;color:var(--night-muted);margin:12px 0 0;line-height:1.45}
.heat p b{color:var(--night-ink)}
.drop{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:28px;align-items:center}
.dropchart{display:grid;gap:14px}
.droprow{display:grid;grid-template-columns:118px 1fr;gap:12px;align-items:center}
.droprow .lab2{font-size:14px;font-weight:600;line-height:1.2}
.droprow .lab2 small{display:block;font-weight:400;color:var(--muted);font-size:12px}
.bars{display:grid;gap:3px}
.bar{display:grid;grid-template-columns:54px 1fr 58px;gap:8px;align-items:center;font-size:12px;color:var(--muted)}
.bar .track{height:15px;background:var(--bg2);border-radius:4px;overflow:hidden;position:relative}
.tint .bar .track{background:var(--bg)}
.bar .fill{height:100%;border-radius:4px;width:0;transition:width .9s cubic-bezier(.2,.7,.2,1)}
.bar .v{font-family:var(--mono);font-size:12.5px;color:var(--ink);text-align:right}
.bar.all .fill{opacity:.35}
.scatterbox{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:16px}
.scatterbox canvas{width:100%;aspect-ratio:1.5;display:block;cursor:crosshair}
.kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.kpi{border:1px solid var(--line);border-radius:12px;padding:16px;background:var(--card)}
.kpi .n{font-family:var(--serif);font-size:38px;font-weight:600;letter-spacing:-.03em;line-height:1}
.kpi .l{font-size:13.5px;color:var(--muted);margin-top:8px;line-height:1.4}
.kpi.ours{border-color:var(--gold);background:var(--golds)}

/* ---------- results ---------- */
.rs-head{display:flex;flex-wrap:wrap;gap:14px 20px;align-items:center;justify-content:space-between;margin-bottom:22px}
.chart{display:grid;gap:7px}
.crow{display:grid;grid-template-columns:150px 1fr 64px;gap:12px;align-items:center;font-size:14.5px}
.crow .name{display:flex;align-items:center;gap:6px;justify-content:flex-end;text-align:right;color:var(--ink2);white-space:nowrap}
.crow .track{height:26px;position:relative;background:linear-gradient(90deg,var(--bg2),transparent);border-radius:6px}
.crow .fill{position:absolute;inset:0 auto 0 0;border-radius:6px;background:#B9B4A3;width:0;transition:width 1s cubic-bezier(.2,.7,.2,1)}
.crow.ca .fill{background:repeating-linear-gradient(135deg,#B9B4A3 0 6px,#CFCABA 6px 12px)}
.crow.ours .fill{background:linear-gradient(90deg,#F2C34F,var(--gold))}
.crow.ours .name{color:var(--ink);font-weight:700}
.crow .val{font-family:var(--mono);font-size:14.5px;font-weight:500}
.crow.ours .val{font-weight:600}
.crow .tag{font-family:var(--mono);font-size:10px;border:1px solid var(--line2);border-radius:4px;padding:0 4px;color:var(--muted);line-height:1.5}
.crow.best .val::after{content:" ★";color:var(--gold)}
.keyline{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:13px;color:var(--muted);margin-top:16px}
.keyline i{font-style:normal;font-family:var(--mono);font-size:10px;border:1px solid var(--line2);border-radius:4px;padding:0 4px;margin-right:5px}
.tblwrap{overflow-x:auto;margin-top:18px;border:1px solid var(--line);border-radius:12px;background:var(--card)}
table.rt{border-collapse:collapse;width:100%;font-size:14px;min-width:640px}
table.rt th,table.rt td{padding:8px 12px;text-align:right;border-bottom:1px solid var(--line);white-space:nowrap}
table.rt th{font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:500;background:var(--bg)}
table.rt td:first-child,table.rt th:first-child{text-align:left}
table.rt td{font-family:var(--mono);font-variant-numeric:tabular-nums}
table.rt td:first-child{font-family:var(--sans);font-weight:500}
table.rt tr.ours td{background:var(--golds);font-weight:600}
table.rt tr:last-child td{border-bottom:0}
.takeaway{border-left:3px solid var(--gold);padding:4px 0 4px 18px;font-size:17px;color:var(--ink2);max-width:70ch;margin-top:22px}
.takeaway b{color:var(--ink)}
.abl{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:30px;align-items:start}
.ablrow{display:grid;grid-template-columns:1fr 62px;gap:10px;align-items:center;padding:7px 10px;border-radius:9px;font-size:14px;cursor:default;transition:background .15s}
.ablrow:hover{background:var(--bg2)}
.ablrow .top{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-bottom:4px}
.ablrow .sim{font-weight:600;margin-right:4px}
.chip{font-family:var(--mono);font-size:10.5px;padding:1px 6px;border-radius:5px;border:1px solid var(--line2);color:var(--muted)}
.chip.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.chip.on.n{background:var(--gold);border-color:var(--gold);color:var(--night)}
.ablrow .track{height:8px;background:var(--bg2);border-radius:4px;overflow:hidden}
.ablrow .fill{height:100%;background:#B9B4A3;border-radius:4px;width:0;transition:width .9s cubic-bezier(.2,.7,.2,1)}
.ablrow.mpa .fill{background:var(--gold)}
.ablrow .v{font-family:var(--mono);text-align:right;font-size:14px}
.ablrow.final{background:var(--golds)}
.ablrow.final .v{font-weight:600}
.mini{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.delta{font-family:var(--serif);font-size:46px;font-weight:600;letter-spacing:-.03em;line-height:1;color:var(--good)}

/* ---------- gallery ---------- */
.gal-head{display:flex;flex-wrap:wrap;gap:12px 18px;align-items:center;margin-bottom:18px}
.thumbs{display:flex;gap:10px;overflow-x:auto;padding:4px 2px 12px;scrollbar-width:thin}
.thumb{flex:none;width:96px;height:72px;border-radius:10px;overflow:hidden;border:2px solid transparent;padding:0;background:var(--night2);opacity:.55;transition:all .18s;position:relative}
.thumb img{width:100%;height:100%;object-fit:cover}
.thumb.txt{width:168px;display:grid;place-items:center;padding:8px;font-size:11.5px;line-height:1.25;color:var(--night-ink);text-align:left;font-family:var(--serif)}
.thumb:hover{opacity:.9}
.thumb[aria-pressed=true]{opacity:1;border-color:var(--gold);transform:translateY(-2px)}
.gx{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:26px;align-items:start}
.gq{position:sticky;top:76px}
.gq figure{margin:0;border-radius:var(--r);overflow:hidden;border:1px solid var(--night-line);background:#000}
.gq figure img{width:100%;max-height:420px;object-fit:contain;background:#07081a}
.gq .qcap{font-family:var(--serif);font-size:27px;line-height:1.2;border-left:3px solid var(--gold);padding:4px 0 4px 16px;margin:0 0 14px}
.gq .lbl{font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--night-muted);margin:0 0 10px}
.gq .gnote{font-size:14.5px;color:var(--night-muted);margin-top:14px;line-height:1.5}
.gq ul{list-style:none;padding:0;margin:14px 0 0;font-size:14px;color:var(--night-muted);display:grid;gap:5px}
.gq ul li{padding-left:14px;position:relative;line-height:1.4}
.gq ul li::before{content:"";position:absolute;left:0;top:.62em;width:5px;height:5px;border-radius:50%;background:var(--night-line)}
.gr h4{font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--night-muted);font-weight:500;margin:0 0 12px}
.erow{display:grid;grid-template-columns:38px 1fr;gap:12px;align-items:stretch;margin-bottom:10px}
.erow .tag{display:grid;place-items:center;border-radius:10px;font-family:var(--mono);font-weight:600;color:#fff;font-size:14px}
.erow .body{border:1px solid var(--night-line);border-radius:12px;padding:11px 14px;background:var(--night2);border-left-width:3px}
.erow .cap{font-size:16.5px;line-height:1.4;color:var(--night-ink)}
.erow .meta{font-family:var(--mono);font-size:11.5px;color:var(--night-muted);margin-top:5px;display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.gt{font-family:var(--mono);font-size:10px;letter-spacing:.06em;text-transform:uppercase;border-radius:4px;padding:0 5px;line-height:1.6}
.gt.y{background:rgba(24,162,123,.2);color:#5FE0B8}
.gt.n{background:rgba(255,255,255,.08);color:var(--night-muted)}
.erow .more{font-size:13.5px;color:var(--night-muted);margin-top:6px;line-height:1.4;border-top:1px dashed var(--night-line);padding-top:6px}
.irow{display:grid;grid-template-columns:38px repeat(3,1fr);gap:10px;margin-bottom:10px}
.irow .tag{display:grid;place-items:center;border-radius:10px;font-family:var(--mono);font-weight:600;color:#fff;font-size:14px}
.ic{position:relative;border-radius:10px;overflow:hidden;aspect-ratio:4/3;background:#07081a;border:2px solid transparent}
.ic img{width:100%;height:100%;object-fit:cover}
.ic.first{border-color:currentColor}
.ic .b{position:absolute;left:6px;bottom:6px;display:flex;gap:5px;align-items:center;font-family:var(--mono);font-size:10.5px;background:rgba(7,8,26,.78);color:#fff;border-radius:5px;padding:1px 6px}
.ic .rk{position:absolute;left:6px;top:6px;font-family:var(--mono);font-size:10.5px;background:rgba(7,8,26,.78);color:#fff;border-radius:5px;padding:1px 6px}
.settop{margin-top:22px;border-top:1px solid var(--night-line);padding-top:18px}
.settop ol{margin:0;padding:0;list-style:none;display:grid;gap:6px}
.settop li{display:grid;grid-template-columns:22px 1fr auto;gap:10px;font-size:14.5px;align-items:baseline;color:#C9C6E4}
.settop li i{font-style:normal;font-family:var(--mono);font-size:12px;color:var(--night-muted)}
.settop .imgs{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}
.mm{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.mm .pane{border:1px solid var(--night-line);border-radius:12px;padding:14px;background:var(--night2)}
.mm .pane.pos{border-color:rgba(24,162,123,.6)}
.mm .pane .pcap{font-size:14.5px;line-height:1.4;min-height:4.2em;color:var(--night-ink);margin:8px 0 12px}
.mm .hm .c{font-size:12.5px;position:relative}
.mm .hm .c.pick{box-shadow:0 0 0 2px var(--gold)}
.mm .sc{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-top:12px;font-size:11.5px;color:var(--night-muted)}
.mm .sc b{display:block;font-family:var(--mono);font-size:15px;color:var(--night-ink);font-weight:500}
.paperfigs{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.paperfigs figure{margin:0;background:#fff;border-radius:var(--r);padding:12px;border:1px solid var(--line)}
.paperfigs figcaption{font-size:13.5px;color:var(--muted);margin-top:10px;line-height:1.45}

/* ---------- cite / footer ---------- */
pre.bib{background:var(--night);color:#D9D6F0;border-radius:var(--r);padding:22px;overflow-x:auto;font-family:var(--mono);font-size:13.5px;line-height:1.6;margin:0;position:relative}
.copy{position:absolute;top:12px;right:12px;background:var(--gold);color:var(--night);border:0;border-radius:99px;padding:6px 14px;font-weight:600;font-size:13px;font-family:var(--sans)}
.limits{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.limits .card{padding:20px;font-size:15px;color:var(--ink2)}
.limits .card b{display:block;font-family:var(--serif);font-size:19px;color:var(--ink);margin-bottom:6px;font-weight:600}
footer{background:var(--night);color:var(--night-muted);padding:44px 0;font-size:14px}
footer .wrap{display:flex;flex-wrap:wrap;gap:14px 30px;justify-content:space-between}
footer a{color:var(--night-ink)}
footer p{margin:0;max-width:70ch}

/* ---------- responsive ---------- */
@media (max-width:980px){
  .grid2,.o2m,.lab,.lossx,.arch,.drop,.abl,.gx,.termcard{grid-template-columns:1fr}
  .heat3,.toy,.grid3,.limits,.tldr{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .tldr>div{border-left:0;border-top:1px solid var(--line)}.tldr>div:first-child{border-top:0}
  .statbar .wrap{grid-template-columns:1fr 1fr}.stat{border-left:0;padding-left:0;border-top:1px solid var(--night-line)}.stat:nth-child(-n+2){border-top:0}
  .gq{position:static}
  .toy{max-width:460px}
  section{padding:76px 0}
}
@media (max-width:640px){
  body{font-size:16px}
  .wrap{padding:0 16px}
  .fail,.ti,.mini,.paperfigs,.mm,.kpis{grid-template-columns:1fr}
  .crow{grid-template-columns:96px 1fr 54px;font-size:12.5px}
  .irow{grid-template-columns:30px repeat(3,1fr);gap:6px}
  .erow{grid-template-columns:30px 1fr}
  .settop .imgs{grid-template-columns:repeat(3,1fr)}
  .hero{padding-top:92px}
  .brand span{display:none}
  .scores{grid-template-columns:1fr}
  .droprow{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* grid children may shrink below their content width (keeps wide formulas scrolling inside their card) */
.fail>*,.grid2>*,.grid3>*,.termcard>*,.lossx>*,.ti>*,.mini>*,.heat3>*,.toy>*,.drop>*,.abl>*,.gx>*,.lab>*,.o2m>*,.mm>*,.paperfigs>*,.limits>*,.tldr>*,.arch>*{min-width:0}
.legend span.el{display:inline-grid;gap:0;width:22px;height:22px;font-size:11px}