/* Humanoid Benchmark — professional FLAT theme (no gradients).
   One source of truth for the palette; pages use tokens only. */
:root{
  --bg:#0b0f1a;
  --bg2:#0d1320;
  --panel:#111827;
  --panel2:#161f33;
  --panel3:#1c2740;
  --line:#1f2a40;
  --line2:#2a3a5a;
  --txt:#eef2fb;
  --mut:#9fb0cc;
  --mut2:#6b7c9c;
  --accent:#5b8cff;
  --accent2:#9b6bff;
  --cyan:#22d3ee;
  --good:#34d399;
  --warn:#fbbf24;
  --bad:#fb7185;
  --gold:#f5c451;
  --silver:#c3ccda;
  --bronze:#cd8a52;
  /* flat faceted-robot palette (solid fills only — implies 3D via planar shading) */
  --f1:#c6cfe2; --f2:#9aa7c0; --f3:#7b89a6; --f4:#5c6a86; --f5:#45516b; --f6:#2a3a5a;
  --visor:#0c111d;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 30px rgba(0,0,0,.30);
  color-scheme:dark;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);scroll-behavior:smooth}
body{
  color:var(--txt);
  background:var(--bg);
  font:14px/1.6 ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial;
  -webkit-font-smoothing:antialiased;min-height:100vh;
}
a{color:var(--accent);text-decoration:none}
a:hover{color:#7ba3ff}
::selection{background:rgba(91,140,255,.3)}
.wrap{max-width:1280px;margin:0 auto;padding:22px 24px 90px}

/* ---------- header / nav ---------- */
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:6px 0}
.brand{display:flex;align-items:center;gap:13px}
.logo{width:46px;height:46px;border-radius:13px;background:var(--panel2);border:1px solid var(--line2);
  display:grid;place-items:center;overflow:hidden}
.logo svg{width:30px;height:30px;display:block}
.brand .bname{display:block;font-size:18px;margin:0;font-weight:700;letter-spacing:.2px}
.brand .sub{font-size:11.5px;color:var(--mut);margin-top:1px}
nav.mainnav{display:flex;flex-wrap:wrap;gap:2px;margin:16px 0 26px;border-bottom:1px solid var(--line);padding-bottom:0}
nav.mainnav a{padding:10px 15px;color:var(--mut);font-weight:600;font-size:13px;border-bottom:2px solid transparent}
nav.mainnav a:hover{color:var(--txt)}
nav.mainnav a.on{color:var(--txt);border-color:var(--accent)}
nav.mainnav .spring{flex:1}
.badge-ver{font-size:11px;color:var(--mut2);border:1px solid var(--line2);border-radius:999px;padding:5px 11px;font-family:var(--mono)}

/* ---------- hero ---------- */
.hero{padding:34px 0 12px;position:relative}
.hero-band{display:grid;grid-template-columns:1.12fr .88fr;gap:34px;align-items:center;padding:30px 0 14px}
.hero h1,.hero h2{font-size:42px;line-height:1.1;margin:0 0 14px;font-weight:800;letter-spacing:-.5px;max-width:880px}
.hero h1 .grad,.hero h2 .grad{color:var(--accent)}
.hero p.lede{font-size:16px;color:var(--mut);max-width:680px;margin:0 0 24px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:11px;font-weight:700;letter-spacing:.8px;
  text-transform:uppercase;color:var(--cyan);border:1px solid var(--line2);background:var(--panel);
  border-radius:999px;padding:5px 12px;margin-bottom:18px}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan)}
.cta-row{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:11px;font-weight:650;font-size:13.5px;cursor:pointer;border:1px solid var(--line2);background:var(--panel2);color:var(--txt)}
.btn:hover{border-color:var(--accent);color:var(--txt)}
.btn.primary{background:var(--accent);border:1px solid var(--accent);color:#fff}
.btn.primary:hover{background:#6d99ff;border-color:#6d99ff}

/* ---------- 3D robot face (flat planar SVG) ---------- */
.hero-art{display:grid;place-items:center;position:relative}
.robot-3d{width:100%;max-width:440px;height:auto;display:block;filter:drop-shadow(0 22px 40px rgba(0,0,0,.45))}

/* ---------- stat strip ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:34px 0}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px 20px}
.stat .n{font-size:30px;font-weight:800;letter-spacing:-.5px;color:var(--accent)}
.stat .l{font-size:12px;color:var(--mut);margin-top:3px;text-transform:uppercase;letter-spacing:.6px}

/* ---------- cards / sections ---------- */
.section-h{display:flex;align-items:baseline;justify-content:space-between;margin:42px 0 16px}
.section-h h1,.section-h h2,.section-h h3{font-size:22px;margin:0;font-weight:750;letter-spacing:-.3px}
.section-h .more{font-size:13px;color:var(--mut)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}

/* ---------- leaderboard table ---------- */
.lb{width:100%;border-collapse:separate;border-spacing:0;font-size:13.5px}
.lb thead th{text-align:left;color:var(--mut2);font-size:11px;text-transform:uppercase;letter-spacing:.7px;
  font-weight:700;padding:13px 14px;border-bottom:1px solid var(--line);white-space:nowrap;position:sticky;top:0;background:var(--panel)}
.lb thead th.num{text-align:right}
.lb tbody td{padding:13px 14px;border-bottom:1px solid var(--line);vertical-align:middle}
.lb tbody tr:hover{background:var(--panel2)}
.lb tbody tr:last-child td{border-bottom:none}
.lb td.num{text-align:right;font-family:var(--mono);font-variant-numeric:tabular-nums}
.rank{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:9px;font-weight:800;font-size:13px;
  background:var(--panel3);color:var(--mut)}
.rank.r1{background:var(--gold);color:#3a2a00}
.rank.r2{background:var(--silver);color:#1a2233}
.rank.r3{background:var(--bronze);color:#2a1700}
.rname{display:flex;flex-direction:column;gap:2px}
.rname .nm{font-weight:700;color:var(--txt);font-size:14px}
.rname .co{font-size:11.5px;color:var(--mut)}
.flag{font-size:13px;margin-right:5px}

/* XHI score pill */
.xhi{display:inline-flex;align-items:center;gap:9px}
.xhi .v{font-family:var(--mono);font-weight:800;font-size:16px;font-variant-numeric:tabular-nums;min-width:46px;text-align:right}
.xhi .bar{width:74px;height:7px;border-radius:6px;background:var(--panel3);overflow:hidden}
.xhi .bar i{display:block;height:100%;border-radius:6px;background:var(--accent)}

/* status chips */
.chip{display:inline-block;font-size:11px;font-weight:700;padding:4px 9px;border-radius:7px;border:1px solid transparent;white-space:nowrap;letter-spacing:.2px}
.chip.commercial{background:rgba(52,211,153,.13);color:var(--good);border-color:rgba(52,211,153,.3)}
.chip.limited-production{background:rgba(34,211,238,.12);color:var(--cyan);border-color:rgba(34,211,238,.3)}
.chip.pilot{background:rgba(91,140,255,.13);color:var(--accent);border-color:rgba(91,140,255,.3)}
.chip.prototype{background:rgba(251,191,36,.12);color:var(--warn);border-color:rgba(251,191,36,.3)}
.chip.research{background:rgba(155,107,255,.13);color:var(--accent2);border-color:rgba(155,107,255,.3)}
.chip.retired{background:rgba(107,124,156,.12);color:var(--mut);border-color:var(--line2)}
.chip.teleoperated{background:rgba(251,113,133,.12);color:var(--bad);border-color:rgba(251,113,133,.3)}
.chip.sm{font-size:10px;padding:3px 7px}

.conf{font-size:10.5px;font-family:var(--mono);color:var(--mut2)}
.conf.high{color:var(--good)} .conf.medium{color:var(--warn)} .conf.low{color:var(--bad)}

/* ---------- filters ---------- */
.filters{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:16px}
.filters select,.filters input{background:var(--panel);border:1px solid var(--line2);color:var(--txt);
  border-radius:9px;padding:9px 12px;font:inherit;font-size:13px}
.filters label{font-size:11px;color:var(--mut2);text-transform:uppercase;letter-spacing:.6px;font-weight:700;margin-right:3px}

/* ---------- robot detail ---------- */
.detail-head{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;align-items:flex-start;
  background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:26px 28px;margin-bottom:22px}
.detail-photo{flex-shrink:0;display:flex;flex-direction:column;align-items:center;gap:6px}
.detail-photo img{width:132px;height:132px;object-fit:cover;border-radius:14px;border:1px solid var(--line2);background:var(--panel3)}
.detail-photo .cred{font-size:10.5px;color:var(--mut2)}
.detail-head h1,.detail-head h2{font-size:30px;margin:0 0 4px;font-weight:800;letter-spacing:-.4px}
.detail-head .co{color:var(--mut);font-size:14px}
.scorebox{text-align:center;min-width:150px}
.scorebox .big{font-size:54px;font-weight:850;line-height:1;font-family:var(--mono);color:var(--accent)}
.scorebox .lab{font-size:11px;color:var(--mut);text-transform:uppercase;letter-spacing:.8px;margin-top:6px}
.scorebox .rk{font-size:13px;color:var(--mut);margin-top:7px}

.grid2{display:grid;grid-template-columns:1.3fr 1fr;gap:20px}
.grid2-even{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:20px 22px}
.panel h4{margin:0 0 14px;font-size:13px;text-transform:uppercase;letter-spacing:.7px;color:var(--mut);font-weight:750}

/* spec list */
.specs{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border-radius:11px;overflow:hidden}
.specs .s{background:var(--panel);padding:11px 14px}
.specs .s .k{font-size:11px;color:var(--mut2);text-transform:uppercase;letter-spacing:.4px}
.specs .s .v{font-size:15px;font-weight:700;font-family:var(--mono);margin-top:2px}
.specs .s .v.na{color:var(--mut2);font-weight:500;font-style:italic}

/* company robot thumbnails */
.co-robots{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.co-robot{display:flex;flex-direction:column;align-items:center;width:66px;text-decoration:none}
.co-robot img{width:64px;height:64px;object-fit:cover;border-radius:10px;border:1px solid var(--line2);background:var(--panel3)}
.co-robot .nm{font-size:10px;color:var(--mut);margin-top:5px;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:66px}
.co-robot .sc{font-size:10px;color:var(--accent);font-family:var(--mono);font-weight:700}

/* radar chart */
.radar-wrap{display:flex;justify-content:center;margin-bottom:6px}
.radar{width:100%;max-width:280px;height:auto;display:block;overflow:visible}
.radar-legend{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;font-size:12.5px;color:var(--mut);margin-top:4px}
.radar-legend .lg-item{display:inline-flex;align-items:center;gap:6px}
.radar-legend i{display:inline-block;width:10px;height:10px;border-radius:3px}

/* pillar bars */
.pillar{margin-bottom:14px}
.pillar .top{display:flex;justify-content:space-between;font-size:12.5px;margin-bottom:5px}
.pillar .top .pl{color:var(--mut);font-weight:600}
.pillar .top .pv{font-family:var(--mono);font-weight:750}
.pillar .track{height:9px;border-radius:6px;background:var(--panel3);overflow:hidden}
.pillar .track i{display:block;height:100%;border-radius:6px;background:var(--accent)}
.pillar .wt{font-size:10px;color:var(--mut2);font-family:var(--mono)}

ul.clean{list-style:none;margin:0;padding:0}
ul.clean li{padding:8px 0;border-bottom:1px solid var(--line);font-size:13px}
ul.clean li:last-child{border:none}
.src a{font-size:12.5px;word-break:break-all}
.notable{font-size:14px;line-height:1.65;color:var(--txt)}

/* methodology */
.formula{background:var(--bg2);border:1px solid var(--line2);border-radius:12px;padding:18px 20px;font-family:var(--mono);
  font-size:14px;color:var(--cyan);overflow-x:auto;margin:16px 0}
.weight-table{width:100%;border-collapse:collapse;margin:14px 0;font-size:13.5px}
.weight-table th,.weight-table td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line)}
.weight-table th{color:var(--mut2);font-size:11px;text-transform:uppercase;letter-spacing:.6px}
.weight-table td.num{text-align:right;font-family:var(--mono)}
.wbar{height:8px;border-radius:5px;background:var(--accent)}

/* compare */
.cmp{width:100%;border-collapse:separate;border-spacing:0;font-size:13.5px}
.cmp th{text-align:left;padding:14px;border-bottom:2px solid var(--line2);font-size:14px;vertical-align:bottom}
.cmp th.metric{color:var(--mut2);font-size:11px;text-transform:uppercase;letter-spacing:.6px;font-weight:700}
.cmp td{padding:11px 14px;border-bottom:1px solid var(--line);font-family:var(--mono);font-variant-numeric:tabular-nums}
.cmp td.metric{font-family:inherit;color:var(--mut);font-weight:600}
.cmp td.best{color:var(--good);font-weight:800}
.cmp-pick{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}
.cmp-pick select{background:var(--panel);border:1px solid var(--line2);color:var(--txt);border-radius:9px;padding:9px 12px;font:inherit}

/* ---------- updates / review queue ---------- */
.prop{margin-bottom:16px}
.prop-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:14px}
.prop-title{font-weight:700;font-size:15px;margin-left:8px}
.prop-actions{display:flex;gap:8px;flex-shrink:0}
.prop-actions form{margin:0}
.btn.sm{padding:7px 14px;font-size:12.5px;border-radius:9px}
.ct{display:inline-block;font-size:10.5px;font-weight:800;letter-spacing:.4px;text-transform:uppercase;padding:4px 9px;border-radius:7px}
.ct-new{background:rgba(52,211,153,.14);color:var(--good)}
.ct-upd{background:rgba(91,140,255,.14);color:var(--accent)}
.ct-co{background:rgba(155,107,255,.14);color:var(--accent2)}
table.diff{width:100%;border-collapse:collapse;font-size:13px;margin:6px 0}
table.diff th{text-align:left;color:var(--mut2);font-size:10.5px;text-transform:uppercase;letter-spacing:.5px;padding:6px 10px;border-bottom:1px solid var(--line)}
table.diff td{padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}
table.diff td.k{font-family:var(--mono);color:var(--mut);font-size:12px;white-space:nowrap}
table.diff td.old{color:var(--mut2);font-family:var(--mono)}
table.diff td.new{color:var(--good);font-weight:650;font-family:var(--mono)}
table.diff td.arr{color:var(--mut2);text-align:center;width:24px}
table.diff .na{color:var(--mut2);font-style:italic}
.newspecs{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:13px;color:var(--mut);margin:4px 0 8px}
.newspecs b{color:var(--mut2);font-weight:600;font-size:11px;text-transform:uppercase;letter-spacing:.4px;margin-right:4px}
.prop-foot{display:flex;align-items:center;flex-wrap:wrap;gap:6px 12px;margin-top:12px;padding-top:12px;border-top:1px solid var(--line);font-size:12px}
.prop-foot .src-n{color:var(--mut2);text-transform:uppercase;font-size:10.5px;letter-spacing:.5px;font-weight:700}
.prop-foot a{font-size:12px}

.muted{color:var(--mut)}
.small{font-size:12px}
.note{background:rgba(251,191,36,.07);border:1px solid rgba(251,191,36,.25);border-radius:11px;padding:13px 16px;font-size:13px;color:var(--mut);margin:14px 0}
.note b{color:var(--warn)}
footer{margin-top:60px;padding-top:24px;border-top:1px solid var(--line);color:var(--mut2);font-size:12.5px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}

@media(max-width:880px){
  .stats{grid-template-columns:repeat(2,1fr)}
  .grid2,.grid2-even{grid-template-columns:1fr}
  .hero-band{grid-template-columns:1fr;gap:18px}
  .hero-art{order:-1}
  .robot-3d{max-width:300px}
  .hero h1,.hero h2{font-size:32px}
  .specs{grid-template-columns:1fr}
  .lb .hide-sm{display:none}
}