/* GenoCanvas website, shared by every page. Landing-only rules are in home.css.
   Reads like a well-made document: ink on paper, one accent, hairline rules, square-ish corners, no shadows or gradients.
   Type: Source Serif 4 for headings, Atkinson Hyperlegible Next for text (both OFL, self-hosted). */
@font-face{font-family:"Source Serif 4";src:url(fonts/source-serif-latin.woff2) format("woff2");font-weight:400 700;font-style:normal;font-display:swap}
@font-face{font-family:"Atkinson Hyperlegible Next";src:url(fonts/atkinson-latin.woff2) format("woff2");font-weight:200 800;font-style:normal;font-display:swap}

/* 1. primitive: raw values */
:root{
  --ink-900:#14191c;--ink-600:#4a565b;--paper-0:#fff;--paper-50:#f7f8f8;--paper-100:#eef1f1;--rule-300:#cdd5d6;
  --teal-700:#0f6b6e;--teal-900:#0a4f52;--red-700:#9b1c1c;--rule-500:#8ea3a6;--deep-900:#0d2528;--tint-100:#e2eeee;
  --serif:"Source Serif 4",Charter,"Iowan Old Style",Georgia,serif;
  --sans:"Atkinson Hyperlegible Next",system-ui,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  color-scheme:light dark;
}
@media (prefers-color-scheme:dark){:root{
  --ink-900:#e9eef0;--ink-600:#a6b6ba;--paper-0:#141d20;--paper-50:#0e1517;--paper-100:#182427;--rule-300:#2c4045;
  --teal-700:#5cc3c6;--teal-900:#8fd9db;--red-700:#ff9d9d;--rule-500:#4f6d72;--deep-900:#091719;--tint-100:#10272a}}

/* 2. semantic: what the values mean */
:root{
  --text:var(--ink-900);--text-muted:var(--ink-600);--bg:var(--paper-50);--surface:var(--paper-0);--wash:var(--paper-100);
  --rule:var(--rule-300);--rule-strong:var(--rule-500);--tint:var(--tint-100);--deep:var(--deep-900);--accent:var(--teal-700);--accent-strong:var(--teal-900);--on-accent:#fff;--danger:var(--red-700);
  --measure:66ch;--gutter:20px;
}
@media (prefers-color-scheme:dark){:root{--on-accent:#0b1418}}

/* 3. component: per-part decisions */
:root{--btn-bg:var(--accent);--btn-fg:var(--on-accent);--btn-radius:4px;--link:var(--accent);--page-rule:4px solid var(--accent)}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--text);font:400 1.0625rem/1.65 var(--sans);-webkit-font-smoothing:antialiased;font-feature-settings:"zero" 0;border-top:var(--page-rule)}
h1,h2,h3{font-family:var(--serif);font-weight:600;letter-spacing:-.01em;line-height:1.15;margin:0 0 .5em;text-wrap:balance}
h1{font-size:clamp(2.2rem,4.6vw,3.4rem);line-height:1.08}
h2{font-size:clamp(1.5rem,2.6vw,1.9rem);margin-top:2em}
h3{font-size:1.25rem}
p{margin:0 0 1em;text-wrap:pretty}
a{color:var(--link);text-decoration-thickness:1px;text-underline-offset:.18em}
a:hover{color:var(--accent-strong);text-decoration-thickness:2px}
::selection{background:var(--accent);color:var(--on-accent)}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.skip{position:absolute;left:var(--gutter);top:-100px;z-index:10;padding:10px 16px;background:var(--accent);color:var(--on-accent);font-weight:700;border-radius:var(--btn-radius)}
.skip:focus{top:12px}
.wrap{max-width:46rem;margin:0 auto;padding:0 var(--gutter)}
main.wrap{padding-top:clamp(24px,4vw,48px)}
header.site .wrap{display:flex;flex-wrap:wrap;gap:6px 28px;align-items:center;justify-content:space-between;padding-top:16px;padding-bottom:16px}
header.site{border-bottom:1px solid var(--rule)}
header.site a.logo{display:inline-flex;align-items:center;gap:10px;font:600 1.3rem/1 var(--serif);letter-spacing:-.01em;text-decoration:none;color:var(--text)}
header.site a.logo img{display:block;border-radius:5px}
nav{display:flex;flex-wrap:wrap;gap:4px 22px;align-items:center}
nav a{color:var(--text);font-weight:600;font-size:.97rem;padding:6px 0}
nav a:hover{color:var(--accent)}
.btn{display:inline-block;padding:11px 20px;border-radius:var(--btn-radius);background:var(--btn-bg);color:var(--btn-fg);text-decoration:none;font-weight:700;margin:6px 12px 6px 0;border:2px solid var(--btn-bg);line-height:1.25}
.btn:hover{background:var(--accent-strong);border-color:var(--accent-strong);color:var(--btn-fg)}
.btn.alt{background:transparent;color:var(--accent)}
.btn.alt:hover{background:var(--wash);color:var(--accent-strong);border-color:var(--accent-strong)}
table{border-collapse:collapse;width:100%;margin:1em 0;font-size:.98rem}
th,td{border-top:1px solid var(--rule);padding:10px 14px 10px 0;text-align:left;vertical-align:top}
tr:last-child th,tr:last-child td{border-bottom:1px solid var(--rule)}
th{font-weight:700}
thead th{border-top:0;font-size:.9rem;color:var(--text-muted)}
code{font-size:.92em}
.note{color:var(--text-muted);font-size:.96rem}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
footer{border-top:1px solid var(--rule);margin-top:72px;padding:26px 0 48px;color:var(--text-muted);font-size:.95rem}
footer a{display:inline-block;margin-right:20px;padding:4px 0;color:var(--text)}
footer a:hover{color:var(--accent)}
@media print{header.site,footer{display:none}body{font-size:11pt;border:0}.wrap{max-width:none}}