/* PremiseCheck project page.
   Layout follows the OpenLAIR OpenSkill page; colors follow the paper's figures:
   LLM = orange, decision model (Jev) / PremiseCheck = blue, factual error = red, fusion = purple. */
:root{
  --ink:#1d2731;
  --ink-soft:#3f4a54;
  --muted:#5f6b76;          /* 5.4:1 on white */
  --line:#e3e7ec;
  --line-soft:#edf0f3;
  --bg:#fbfcfd;
  --card:#ffffff;
  --panel:#f6f8fa;

  --blue:#2b6cb0;           /* plots: PremiseCheck / decision model */
  --blue-deep:#22558c;
  --blue-diag:#3e7099;      /* diagrams: Jev router / verifier */
  --blue-tint:#edf3fa;
  --blue-tint-2:#d7e5f4;
  --amber:#a8702a;          /* LLM */
  --amber-ink:#87581c;      /* LLM color for small text (5.6:1) */
  --amber-tint:#fcf3e3;
  --amber-line:#efd9b4;
  --red:#b34736;            /* factual error */
  --red-tint:#fbeae6;
  --purple:#7b4fa8;         /* fusion */
  --grey:#56626a;           /* holistic baselines */
  --pos:#1d7a45;
  --neg:#b0302a;

  --maxw:980px;
  --wide:1180px;
  --radius:14px;
  --gutter:28px;
  --nav-h:52px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 8px);-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"IBM Plex Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  font-size:17px;
  overflow-x:hidden;
}
a{color:var(--blue-deep);text-decoration:underline;text-decoration-color:rgba(34,85,140,.35);text-underline-offset:2px;}
a:hover{text-decoration-color:currentColor;}
img{max-width:100%;}
p{margin:0 0 1em;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter);}
@media(max-width:640px){:root{--gutter:16px;} body{font-size:16px;}}

/* accessibility helpers */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
.skip{position:absolute;left:12px;top:-60px;z-index:100;background:var(--ink);color:#fff;padding:8px 14px;border-radius:8px;font-weight:600;text-decoration:none;}
.skip:focus{top:10px;}
:focus{outline:none;}
:focus-visible{outline:3px solid var(--blue);outline-offset:3px;border-radius:4px;}
.btn:focus-visible{border-radius:999px;}

/* ---------- top nav ---------- */
nav.top{
  position:sticky;top:0;z-index:40;
  background:rgba(251,252,253,.88);
  -webkit-backdrop-filter:saturate(140%) blur(10px);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line-soft);
}
nav.top .inner{
  max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter);height:var(--nav-h);
  display:flex;align-items:center;justify-content:space-between;gap:18px;
}
nav.top .brand{
  font-family:"IBM Plex Mono",ui-monospace,monospace;font-weight:600;font-size:14px;
  letter-spacing:.02em;color:var(--ink);text-decoration:none;
  display:flex;align-items:center;gap:9px;
}
nav.top .brand .dot{
  width:11px;height:11px;border-radius:50%;
  background:linear-gradient(135deg,var(--blue) 0 50%,var(--amber) 50% 100%);
}
nav.top .links{display:flex;gap:6px;font-size:14px;}
nav.top .links a{color:var(--ink-soft);font-weight:500;text-decoration:none;padding:6px 8px;border-radius:8px;}
nav.top .links a:hover{color:var(--blue-deep);background:var(--blue-tint);}
nav.top .links a.gh{display:inline-flex;align-items:center;gap:6px;color:var(--ink);font-weight:600;}
@media(max-width:760px){nav.top .links a.opt{display:none;}}
@media(max-width:420px){nav.top .links{gap:0;} nav.top .links a{padding:6px 7px;}}

/* ---------- hero ---------- */
header.hero{text-align:center;padding:60px 0 34px;}
@media(max-width:640px){header.hero{padding:36px 0 26px;}}
.eyebrow{
  font-family:"IBM Plex Mono",ui-monospace,monospace;
  font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--blue-deep);font-weight:600;
  display:inline-block;margin:0;
  padding:6px 14px;border:1px solid var(--blue-tint-2);border-radius:999px;
  background:var(--blue-tint);
}
@media(max-width:420px){.eyebrow{font-size:11px;letter-spacing:.12em;}}
h1.title{
  font-family:"IBM Plex Serif",Georgia,serif;
  font-weight:600;
  font-size:clamp(29px,4.6vw,48px);
  line-height:1.14;
  letter-spacing:-.01em;
  margin:22px auto 14px;
  max-width:20ch;
  color:var(--ink);
  text-wrap:balance;
}
h1.title .name{color:var(--blue);}
.subtitle{font-size:18.5px;color:var(--ink-soft);max-width:60ch;margin:0 auto;text-wrap:pretty;}
.hl-llm{color:var(--amber-ink);font-weight:600;}
.hl-dm{color:var(--blue-deep);font-weight:600;}
@media(max-width:640px){.subtitle{font-size:16.5px;}}

/* authors */
.authors{margin:28px auto 0;max-width:760px;font-size:17.5px;line-height:1.9;color:var(--ink);}
.authors .au{white-space:nowrap;font-weight:500;}
.authors sup{color:var(--blue);font-weight:600;font-size:.72em;margin-left:1px;}
.affils{margin:8px auto 0;max-width:760px;font-size:14.5px;color:var(--muted);line-height:1.85;}
.affils span{white-space:nowrap;}
.affils .sep{margin:0 4px;color:#a3acb5;}
.affils sup{color:var(--blue);font-weight:600;margin-right:1px;}
@media(max-width:640px){.affils .sep{display:none;} .affils > span{margin:0 7px;display:inline-block;}}
.nowrap{white-space:nowrap;}
.notes{margin:6px auto 0;font-size:13.5px;color:var(--muted);}
.notes .dag{color:var(--blue);font-weight:600;}

/* buttons */
.btns{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin:28px 0 6px;}
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:11px 22px;border-radius:999px;min-height:44px;
  font-size:15px;font-weight:600;text-decoration:none;
  background:#fff;color:var(--ink);
  border:1px solid var(--line);
  box-shadow:0 1px 2px rgba(29,39,49,.05);
  transition:transform .12s ease, box-shadow .12s ease, background .12s ease, border-color .12s ease, color .12s ease;
}
.btn:hover{transform:translateY(-2px);}
.btn.paper{background:var(--blue);color:#fff;border-color:var(--blue);box-shadow:0 10px 24px rgba(43,108,176,.24);}
.btn.paper:hover{background:var(--blue-deep);border-color:var(--blue-deep);}
.btn.code{border-color:#cfd5dc;}
.btn.code:hover{border-color:var(--ink);box-shadow:0 8px 22px rgba(29,39,49,.12);}
.btn.data{background:var(--amber-tint);color:var(--amber-ink);border-color:var(--amber-line);}
.btn.data:hover{border-color:var(--amber);box-shadow:0 8px 22px rgba(168,112,42,.16);}
.btn .ic{width:17px;height:17px;display:inline-block;flex:none;}
@media(max-width:420px){.btn{padding:10px 17px;font-size:14.5px;}}

/* logos */
.logos{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:center;
  gap:36px;margin:34px auto 0;padding-top:28px;
  border-top:1px solid var(--line-soft);max-width:560px;
}
.logos img{height:44px;width:auto;object-fit:contain;}
.logos img.tall{height:52px;}

/* ---------- sections ---------- */
section{padding:60px 0;}
@media(max-width:640px){section{padding:42px 0;}}
.alt-bg{background:#fff;border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
.sec-tag{
  font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:12.5px;letter-spacing:.15em;
  text-transform:uppercase;color:var(--grey);font-weight:600;margin:0 0 10px;
  display:flex;align-items:center;gap:10px;
}
.sec-tag::before{content:"";width:22px;height:2px;background:linear-gradient(90deg,var(--blue) 0 50%,var(--amber) 50% 100%);display:inline-block;}
h2{
  font-family:"IBM Plex Serif",Georgia,serif;font-weight:600;
  font-size:clamp(24px,3vw,32px);letter-spacing:-.01em;
  margin:0 0 18px;color:var(--ink);line-height:1.22;text-wrap:balance;
}
h3.sub{font-family:"IBM Plex Serif",Georgia,serif;font-weight:600;font-size:20px;line-height:1.3;margin:48px 0 8px;}
.lead{font-size:18px;color:var(--ink-soft);max-width:72ch;margin:0;}
.lead b{color:var(--ink);}
@media(max-width:640px){.lead{font-size:16.5px;} h3.sub{font-size:18.5px;margin-top:38px;}}
.small-note{font-size:14px;color:var(--muted);margin:0 0 16px;max-width:90ch;}
.muted{color:var(--muted);}

/* TL;DR */
.tldr{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--blue-tint);border:1px solid var(--blue-tint-2);border-radius:var(--radius);
  padding:20px 22px;margin:0 0 40px;
}
.tldr .tag{
  font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:12.5px;font-weight:600;letter-spacing:.08em;
  color:#fff;background:var(--blue);border-radius:8px;padding:4px 9px;flex:none;margin-top:2px;
}
.tldr p{margin:0;font-size:17px;color:var(--ink);line-height:1.6;}
@media(max-width:560px){.tldr{flex-direction:column;gap:10px;padding:18px;} .tldr p{font-size:16px;}}

/* abstract */
.abstract-body{font-size:18px;color:var(--ink-soft);max-width:72ch;line-height:1.72;margin:0;}
.abstract-body strong{color:var(--ink);font-weight:600;}
@media(max-width:640px){.abstract-body{font-size:16.5px;}}

/* pillars */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:36px 0 0;}
@media(max-width:760px){.pillars{grid-template-columns:1fr;}}
.pillar{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;border-top:3px solid var(--line);}
.pillar .pi{width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:14px;}
.pillar.a{border-top-color:var(--amber);}
.pillar.b{border-top-color:var(--blue);}
.pillar.r{border-top-color:var(--red);}
.pillar.a .pi{background:var(--amber-tint);color:var(--amber-ink);}
.pillar.b .pi{background:var(--blue-tint);color:var(--blue);}
.pillar.r .pi{background:var(--red-tint);color:var(--red);}
.pillar h3{margin:0 0 6px;font-size:17px;font-weight:600;color:var(--ink);line-height:1.35;}
.pillar p{margin:0;font-size:15px;color:var(--muted);line-height:1.6;}

/* figures */
figure{margin:0;}
.figcard{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;}
@media(max-width:640px){.figcard{padding:14px;}}
.figcard img,.fcard figure img{width:100%;height:auto;display:block;background:#fff;}
.figcard img.narrow{max-width:680px;margin:0 auto;}
.figcard img.cap{max-width:540px;margin:0 auto;}
a.zoom{display:block;cursor:zoom-in;border-radius:6px;}
figcaption{font-size:14px;color:var(--muted);margin-top:14px;line-height:1.6;max-width:84ch;}
.fig-no{font-weight:600;color:var(--ink-soft);}
.figcard.bleed{
  position:relative;left:50%;transform:translateX(-50%);
  width:min(var(--wide), calc(100vw - 2*var(--gutter)));
  margin:32px 0 0;
}
.figcard.bleed figcaption{margin-left:auto;margin-right:auto;text-align:center;}
.fig-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
.scroll-hint{display:none;font-size:12.5px;color:var(--muted);font-family:"IBM Plex Mono",ui-monospace,monospace;margin:8px 0 0;}
@media(max-width:640px){
  .fig-scroll img.wide{width:920px;max-width:none;}
  .scroll-hint{display:block;}
  .figcard.bleed figcaption{text-align:left;}
}

/* side-by-side figure + text */
.split{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:32px;align-items:center;margin-top:28px;}
.split.frontier{grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);align-items:start;margin-top:16px;}
@media(max-width:820px){.split,.split.frontier{grid-template-columns:1fr;gap:22px;}}
.split .copy p{margin:0 0 14px;color:var(--ink-soft);font-size:16.5px;}
.split .copy p:last-child{margin-bottom:0;}
.split .copy b{color:var(--ink);}

/* steps */
.steps{list-style:none;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:30px 0 0;}
@media(max-width:900px){.steps{grid-template-columns:repeat(2,1fr);}}
@media(max-width:560px){.steps{grid-template-columns:1fr;}}
.step{border:1px solid var(--line);border-top:3px solid var(--blue-diag);border-radius:var(--radius);padding:20px;background:var(--card);}
.step.llm{border-top-color:var(--amber);}
.step.agg{border-top-color:var(--red);}
.step .num{font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:12.5px;font-weight:600;color:var(--muted);letter-spacing:.06em;text-transform:uppercase;display:flex;align-items:center;justify-content:space-between;gap:8px;}
.step .who{
  font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:11px;font-weight:600;letter-spacing:0;text-transform:none;
  padding:2px 8px;border-radius:999px;background:var(--blue-tint);color:var(--blue-deep);white-space:nowrap;
}
.step.llm .who{background:var(--amber-tint);color:var(--amber-ink);}
.step.agg .who{background:var(--red-tint);color:var(--red);}
.step h3{margin:10px 0 6px;font-size:17px;font-weight:600;}
.step p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.6;}

.callout{
  border:1px solid var(--line);border-left:3px solid var(--blue);background:var(--card);border-radius:0 10px 10px 0;
  padding:14px 18px;margin:26px 0 0;font-size:15.5px;color:var(--ink-soft);
}
.callout b{color:var(--ink);}

/* benchmark */
.defn{margin:26px 0 0;padding:18px 20px;border:1px solid var(--line);border-left:3px solid var(--red);border-radius:0 10px 10px 0;background:var(--card);font-size:15.5px;color:var(--ink-soft);}
.defn p{margin:0;}
.defn b{color:var(--ink);}
.defn ul{list-style:none;margin:12px 0;padding:0;display:grid;gap:8px;}
.defn li{display:grid;grid-template-columns:150px minmax(0,1fr);gap:12px;align-items:baseline;}
@media(max-width:480px){.defn li{display:block;} .defn .et{margin-right:6px;}}
.defn .et{justify-self:start;font-size:12.5px;font-weight:600;color:var(--red);background:var(--red-tint);border-radius:6px;padding:1px 8px;white-space:nowrap;}
.defn .muted{font-size:14.5px;}

.parts{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:22px 0 24px;}
@media(max-width:760px){.parts{grid-template-columns:1fr;}}
.part{border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;background:var(--card);}
.part .nm{font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:12.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--grey);margin:0;}
.part .v{font-family:"IBM Plex Serif",Georgia,serif;font-size:30px;font-weight:600;color:var(--ink);line-height:1.1;margin-top:8px;font-variant-numeric:tabular-nums;}
.part .v small{font-family:"IBM Plex Sans",sans-serif;font-size:14px;color:var(--muted);font-weight:400;}
.part .e{font-size:15px;color:var(--red);font-weight:600;margin-top:4px;}
.part p{margin:10px 0 0;font-size:14px;color:var(--muted);line-height:1.55;}

/* stat row */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:30px 0 0;}
@media(max-width:860px){.stats{grid-template-columns:repeat(2,1fr);}}
@media(max-width:380px){.stats{grid-template-columns:1fr;}}
.stat{border:1px solid var(--line);border-radius:var(--radius);padding:20px;background:var(--card);}
.stat .v{font-family:"IBM Plex Serif",Georgia,serif;font-size:29px;font-weight:600;color:var(--blue);line-height:1.05;font-variant-numeric:tabular-nums;}
.stat.n .v{color:var(--ink);}
.stat .l{font-size:13.5px;color:var(--muted);margin-top:10px;line-height:1.45;}
@media(max-width:640px){.stat{padding:16px;} .stat .v{font-size:24px;white-space:nowrap;}}

/* results table */
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:var(--radius);background:var(--card);}
table.results{border-collapse:collapse;width:100%;font-size:14px;min-width:840px;font-variant-numeric:tabular-nums;}
table.results th,table.results td{padding:8px 9px;text-align:center;white-space:nowrap;}
table.results thead th{font-size:12.5px;font-weight:600;color:var(--ink-soft);}
table.results thead tr.top th{border-bottom:1px solid var(--line);padding-top:12px;}
table.results thead tr.cols th,table.results thead th[rowspan]{border-bottom:2px solid var(--line);}
table.results .dom{text-align:left;font-weight:500;color:var(--ink);padding-left:14px;}
table.results td.rs{color:var(--muted);}
table.results .gsep{border-left:1px solid var(--line-soft);}
table.results tbody tr+tr > *{border-top:1px solid var(--line-soft);}
table.results tr.group th{
  text-align:left;font-weight:600;color:var(--ink-soft);padding-left:14px;
  font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:12px;letter-spacing:.05em;text-transform:uppercase;
  background:var(--panel);padding-top:9px;padding-bottom:9px;
}
table.results tr.group th span{text-transform:none;letter-spacing:0;font-family:"IBM Plex Sans",sans-serif;font-weight:400;color:var(--muted);}
table.results tr.dim > *{color:var(--muted);}
table.results tr.dim .dom{font-weight:400;}
table.results tr.ref > *{font-weight:500;}
table.results tr.ours > *{background:var(--blue-tint);}
table.results tr.ours .dom{color:var(--blue-deep);font-weight:600;}
table.results .best{font-weight:700;color:var(--ink);}
table.results tr.ours .best{color:var(--blue-deep);}
table.results sub{font-size:.76em;margin-left:2px;font-weight:500;}
table.results sub.p{color:var(--pos);}
table.results sub.n{color:var(--neg);}
table.results .ni{color:var(--blue-deep);font-weight:700;font-size:.9em;margin-left:1px;}
.ni-key{color:var(--blue-deep);font-weight:700;}
.table-hint{margin-top:8px;}
.tbl-legend{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:12px;font-size:13.5px;color:var(--muted);}
.tbl-legend > span{display:inline-flex;align-items:center;gap:7px;}
.sw{width:13px;height:13px;border-radius:3px;display:inline-block;border:1px solid var(--line);background:#fff;flex:none;}
.sw.ours{background:var(--blue-tint);border-color:var(--blue-tint-2);}

/* findings */
.findings{display:grid;grid-template-columns:1fr;gap:20px;margin-top:28px;}
.fcard{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;}
@media(max-width:640px){.fcard{padding:18px;}}
.fcard .k{font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:12.5px;font-weight:600;color:var(--blue-deep);letter-spacing:.08em;text-transform:uppercase;margin:0 0 6px;}
.fcard h3{margin:0 0 18px;font-family:"IBM Plex Serif",Georgia,serif;font-size:21px;font-weight:600;color:var(--ink);line-height:1.3;}
@media(max-width:640px){.fcard h3{font-size:19px;}}
.fcard p{margin:0;font-size:15.5px;color:var(--ink-soft);line-height:1.62;}
.fcard ul{margin:0;padding-left:20px;font-size:15.5px;color:var(--ink-soft);line-height:1.62;}
.fcard li+li{margin-top:10px;}
.fcard li b{color:var(--ink);}
.fcard figcaption{margin-top:10px;font-size:13.5px;}
.feature-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,1fr);gap:30px;align-items:center;}
@media(max-width:820px){.feature-grid{grid-template-columns:1fr;gap:20px;}}
.stack{display:flex;flex-direction:column;gap:12px;}
.fcard figure.example{margin:26px auto 0;padding-top:24px;border-top:1px solid var(--line-soft);max-width:640px;}
.fcard figure.example img{max-width:540px;margin:0 auto;}
.fcard figure.example figcaption{max-width:600px;margin-left:auto;margin-right:auto;}
.fcard ul.cols2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 32px;}
.fcard ul.cols2 li+li{margin-top:0;}
@media(max-width:820px){.fcard ul.cols2{grid-template-columns:1fr;gap:10px;}}

.mini{display:grid;grid-template-columns:1fr;gap:10px;}
.rqstat{display:flex;align-items:center;gap:16px;border:1px solid var(--line-soft);border-radius:10px;padding:12px 14px;background:var(--panel);}
.rqstat .v{flex:none;width:62px;font-family:"IBM Plex Serif",Georgia,serif;font-size:25px;line-height:1;font-weight:600;font-variant-numeric:tabular-nums;}
.rqstat .v.h{color:var(--grey);}
.rqstat .v.b{color:var(--blue);}
.rqstat .v.f{color:var(--purple);}
.rqstat .l{font-size:13.5px;color:var(--muted);line-height:1.4;}
.rqstat .l b{color:var(--ink-soft);font-weight:600;}
.mini-note{font-size:12.5px !important;color:var(--muted) !important;margin:2px 0 0 !important;}

/* limitations */
.limits{list-style:none;margin:24px 0 0;padding:0;display:grid;gap:12px;}
.limits li{
  background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 18px 16px 22px;
  font-size:15.5px;color:var(--ink-soft);line-height:1.6;position:relative;
}
.limits li::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;background:var(--grey);opacity:.55;}
.limits li b{color:var(--ink);}
.release{margin-top:22px;}
.release b{color:var(--ink-soft);}

/* bibtex */
.bib-wrap{position:relative;}
.bib{
  background:#161b21;color:#e8eaed;border-radius:var(--radius);
  padding:22px 24px;padding-right:90px;overflow-x:auto;margin:0;
  font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:13.5px;line-height:1.7;white-space:pre;
}
@media(max-width:640px){.bib{font-size:12px;padding:52px 16px 18px;}}
.bib .k{color:#8ab8ff;}
.bib .f{color:#93dbab;}
.copy-btn{
  position:absolute;top:12px;right:12px;
  font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:12.5px;font-weight:600;
  background:#2a313a;color:#e8eaed;border:1px solid #444c56;border-radius:8px;padding:6px 12px;min-height:32px;cursor:pointer;
}
.copy-btn:hover{background:#353d47;}
.copy-btn:focus-visible{outline-color:#8ab8ff;}

footer{border-top:1px solid var(--line-soft);padding:36px 0 52px;text-align:center;color:var(--muted);font-size:13.5px;}
footer p{margin:0;}
footer .ft-row{display:flex;gap:6px 20px;justify-content:center;flex-wrap:wrap;margin-bottom:12px;font-size:14.5px;font-weight:500;}
footer .ft-row a{text-decoration:none;}
footer .ft-row a:hover{text-decoration:underline;}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .btn{transition:none;}
  .btn:hover{transform:none;}
}
@media print{
  nav.top,.skip,.copy-btn,.scroll-hint{display:none;}
  .figcard.bleed{left:0;transform:none;width:auto;}
  body{background:#fff;}
}