/* The Biology Code — style.css
   Identity: a codex / reference index. Cool paper ground, blue-black ink, four "base" colours
   (A green · C blue · G amber · T red) used as category + check-letter colours only. */

@font-face{font-family:'Bricolage Grotesque';src:url('/assets/fonts/bricolage-grotesque.woff2') format('woff2');font-weight:600 800;font-style:normal;font-display:swap}
@font-face{font-family:'Instrument Sans';src:url('/assets/fonts/instrument-sans.woff2') format('woff2');font-weight:400 700;font-style:normal;font-display:swap}
@font-face{font-family:'DM Mono';src:url('/assets/fonts/dm-mono-400.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'DM Mono';src:url('/assets/fonts/dm-mono-500.woff2') format('woff2');font-weight:500;font-style:normal;font-display:swap}

:root{
  --ink:#0F1729; --ink-2:#27314A; --muted:#5B6780; --line:#DCE1EA; --line-2:#C5CDDA;
  --ground:#F3F5F9; --panel:#FFFFFF; --deep:#0B1220;
  --a:#1E9E6A; --a-ink:#0E6644; --a-tint:#E2F4EB;
  --c:#2563EB; --c-ink:#1A45B0; --c-tint:#E4ECFD;
  --g:#E7A30A; --g-ink:#7A4F00; --g-tint:#FCF0CF;
  --t:#E5484D; --t-ink:#A81E23; --t-tint:#FCE5E5;
  --f-display:'Bricolage Grotesque',system-ui,-apple-system,'Segoe UI',sans-serif;
  --f-body:'Instrument Sans',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --f-mono:'DM Mono',ui-monospace,'SF Mono',Menlo,Consolas,monospace;
  --ok:#0E6644; --err:#A81E23;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--ground);color:var(--ink);font-family:var(--f-body);font-size:17px;line-height:1.62;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--c-ink);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--ink)}
:focus-visible{outline:3px solid var(--c);outline-offset:2px;border-radius:2px}
h1,h2,h3,h4,h5{font-family:var(--f-display);line-height:1.12;letter-spacing:-.015em;margin:0 0 .5em;color:var(--ink);text-wrap:balance;font-weight:700}
p{margin:0 0 1.05em}
ul,ol{margin:0 0 1.1em;padding-left:1.3em}
li{margin-bottom:.35em}
hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip-link{position:absolute;left:-9999px;top:8px;background:var(--ink);color:#fff;padding:8px 14px;z-index:100;border-radius:3px}
.skip-link:focus{left:8px}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}
.wrap-narrow{max-width:800px;margin:0 auto;padding:0 24px}

/* ---------- sequence strip ---------- */
.seq{height:6px;background:url('/assets/img/seq.svg') repeat-x left center;background-size:768px 6px}
.seq-lg{height:10px;background-size:1152px 10px}

/* ---------- header ---------- */
.topbar{background:var(--panel);border-bottom:1px solid var(--line)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 24px;max-width:1160px;margin:0 auto}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{width:30px;height:30px;flex:none}
.wordmark{font-family:var(--f-display);font-weight:800;font-size:21px;letter-spacing:-.025em;line-height:1;display:flex;align-items:center;gap:7px;white-space:nowrap}
.wordmark .wm-code{font-family:var(--f-mono);font-weight:500;font-size:15px;letter-spacing:0;border:1.5px solid var(--ink);padding:3px 6px 2px;border-radius:3px}
.nav{display:flex;align-items:center;gap:4px}
.nav a{font-size:14.5px;font-weight:600;color:var(--ink);text-decoration:none;padding:9px 12px;border-radius:3px}
.nav a:hover{background:var(--ground)}
.nav a[aria-current="page"]{box-shadow:inset 0 -3px 0 var(--ink)}
.nav-toggle{display:none;background:none;border:1.5px solid var(--ink);border-radius:3px;padding:8px 10px;cursor:pointer;font:500 13px var(--f-mono);color:var(--ink)}

/* ---------- buttons, chips, tiles ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:700 15.5px/1 var(--f-body);padding:15px 22px;border-radius:4px;border:2px solid var(--ink);cursor:pointer;text-decoration:none;transition:transform .12s ease,background .12s ease}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--c-ink);border-color:var(--c-ink);color:#fff}
.btn-ghost{background:transparent;color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-buy{background:var(--g);border-color:var(--ink);color:var(--ink);box-shadow:3px 3px 0 var(--ink)}
.btn-buy:hover{color:var(--ink);background:#F2B333;transform:translate(-1px,-1px);box-shadow:4px 4px 0 var(--ink)}
.btn-block{display:flex;width:100%}

.chip{display:inline-flex;align-items:center;gap:6px;font:500 12px/1 var(--f-mono);letter-spacing:.05em;text-transform:uppercase;padding:6px 8px 5px;border-radius:3px;border:1px solid currentColor;white-space:nowrap}
.chip-a{color:var(--a-ink);background:var(--a-tint)}
.chip-c{color:var(--c-ink);background:var(--c-tint)}
.chip-g{color:var(--g-ink);background:var(--g-tint)}
.chip-t{color:var(--t-ink);background:var(--t-tint)}
.chip-plain{color:var(--ink-2);background:var(--panel);border-color:var(--line-2)}

.sym{display:inline-flex;align-items:flex-end;justify-content:flex-start;width:46px;height:46px;flex:none;padding:0 0 5px 7px;font:800 22px/1 var(--f-display);letter-spacing:-.03em;color:#fff;border-radius:3px;position:relative}
.sym::after{content:attr(data-no);position:absolute;top:4px;right:5px;font:500 9px/1 var(--f-mono);letter-spacing:.04em;opacity:.85}
.sym-a{background:var(--a)}
.sym-c{background:var(--c)}
.sym-g{background:var(--g);color:var(--ink)}
.sym-t{background:var(--t)}
.sym-lg{width:84px;height:84px;font-size:42px;padding:0 0 9px 12px;border-radius:4px}
.sym-lg::after{font-size:11px;top:7px;right:8px}

/* ---------- hero ---------- */
.hero{background:var(--panel);border-bottom:1px solid var(--line);padding:60px 0 56px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:56px;align-items:center}
.kicker{font:500 12.5px/1.3 var(--f-mono);letter-spacing:.09em;text-transform:uppercase;color:var(--muted)}
.hero-title{font-size:clamp(2.6rem,5.6vw,4.7rem);font-weight:800;line-height:.98;letter-spacing:-.04em;margin:18px 0 22px}
.hero-title .mark{background:linear-gradient(transparent 62%,var(--g-tint) 62% 90%,transparent 90%);padding:0 .06em}
.hero-lede{font-size:1.17rem;color:var(--ink-2);max-width:34em;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px}
.hero-facts{display:flex;flex-wrap:wrap;gap:8px 22px;font:500 12.5px/1.2 var(--f-mono);color:var(--muted);letter-spacing:.03em;padding-top:20px;border-top:1px solid var(--line)}
.hero-facts b{color:var(--ink);font-weight:500}

.label-card{background:#fff;border:2px solid #000;padding:14px 16px 12px;font-family:Arial,Helvetica,sans-serif;color:#000;box-shadow:8px 8px 0 var(--ink);position:relative}
.label-card .lc-title{font:900 30px/1 Arial,Helvetica,sans-serif;letter-spacing:-.03em;margin:0 0 4px;color:#000}
.lc-line{font-size:13px;line-height:1.25;padding:3px 0;display:flex;justify-content:space-between;gap:10px;align-items:center;border-bottom:1px solid #000}
.lc-line.thick{border-bottom:8px solid #000;padding-bottom:5px}
.lc-line.thin{border-bottom:1px solid #000}
.lc-head{font-weight:700;font-size:12px;text-align:right;border-bottom:4px solid #000;padding:3px 0}
.lc-row{font-size:14px;line-height:1.25;padding:4px 0;display:flex;justify-content:space-between;gap:10px;align-items:center;border-bottom:1px solid #000}
.lc-row b{font-weight:700}
.lc-row .lc-val{white-space:nowrap}
.lc-fine{font-size:11px;line-height:1.3;padding-top:6px}
.dot{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;flex:none;border-radius:50%;background:var(--c);color:#fff;font:700 12px/1 var(--f-body);margin-left:6px}
.lc-notes{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:10px}
.lc-notes li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;line-height:1.4;margin:0;color:var(--ink-2)}
.lc-notes .dot{margin:1px 0 0}
.lc-cap{font:400 11.5px/1.3 var(--f-mono);color:var(--muted);margin-top:14px;letter-spacing:.02em}

/* ---------- sections ---------- */
.section{padding:64px 0}
.section-alt{background:var(--panel);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:26px}
.section-head h2{font-size:clamp(1.7rem,3vw,2.4rem);margin:0;letter-spacing:-.03em}
.section-head .kicker{margin:0}
.section-lede{color:var(--ink-2);max-width:44em;margin:-10px 0 26px}

/* index table */
.index-table{width:100%;border-collapse:collapse;background:var(--panel);border:1px solid var(--line-2)}
.index-table caption{position:absolute;left:-9999px}
.index-table th{font:500 11.5px/1 var(--f-mono);text-transform:uppercase;letter-spacing:.09em;color:var(--muted);text-align:left;padding:14px 16px;border-bottom:2px solid var(--ink)}
.index-table td{padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:middle}
.index-table tr:last-child td{border-bottom:0}
.index-table tbody tr{transition:background .12s}
.index-table tbody tr:hover{background:#F7F9FD}
.ix-sym{width:76px}
.ix-name a{font:700 18px/1.2 var(--f-display);letter-spacing:-.01em;color:var(--ink);text-decoration:none}
.ix-name a:hover{color:var(--c-ink);text-decoration:underline}
.ix-sub{display:block;font-size:14px;color:var(--muted);margin-top:3px;line-height:1.35}
.ix-src{font:500 12.5px/1.2 var(--f-mono);color:var(--ink-2);letter-spacing:.02em}
.ix-go{text-align:right;font:700 14px var(--f-body);white-space:nowrap}
.ix-go a{color:var(--ink);text-decoration:none;border-bottom:2px solid var(--g)}
.ix-go a:hover{background:var(--g-tint)}

/* four checks */
.four{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border:1px solid var(--line-2);background:var(--panel)}
.four-item{padding:26px 24px 24px;border-right:1px solid var(--line-2)}
.four-item:last-child{border-right:0}
.four-item .sym{margin-bottom:18px}
.four-item h3{font-size:1.25rem;margin-bottom:.4em}
.four-item p{font-size:15.5px;color:var(--ink-2);margin:0}

/* field notes */
.notes{display:grid;gap:0;border-top:2px solid var(--ink)}
.note-row{display:grid;grid-template-columns:230px minmax(0,1fr);gap:28px;padding:24px 0;border-bottom:1px solid var(--line-2);align-items:center;text-decoration:none;color:inherit}
.note-row:hover .note-title{color:var(--c-ink);text-decoration:underline}
.note-cover{border:1px solid var(--line-2);background:var(--panel);aspect-ratio:16/10;overflow:hidden}
.note-cover img{width:100%;height:100%;object-fit:cover}
.note-meta{font:500 12px/1 var(--f-mono);letter-spacing:.07em;text-transform:uppercase;color:var(--muted);margin-bottom:10px;display:flex;gap:14px;flex-wrap:wrap}
.note-title{font:700 clamp(1.3rem,2.2vw,1.75rem)/1.15 var(--f-display);letter-spacing:-.02em;margin:0 0 8px;color:var(--ink)}
.note-dek{color:var(--ink-2);margin:0;font-size:16px}

/* brief (newsletter) */
.brief{background:var(--deep);color:#E8ECF4;padding:44px 40px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:36px;align-items:center;border-radius:4px}
.brief h2{color:#fff;font-size:clamp(1.6rem,2.8vw,2.2rem);margin:0 0 10px}
.brief p{color:#B7C1D6;margin:0}
.nl-form{display:flex;gap:10px}
.nl-form input[type=email]{flex:1;min-width:0;background:#fff;border:2px solid #fff;border-radius:4px;padding:14px 16px;font:500 16px var(--f-body);color:var(--ink)}
.nl-form button{background:var(--g);color:var(--ink);border:2px solid var(--g);border-radius:4px;padding:14px 20px;font:700 15.5px var(--f-body);cursor:pointer}
.nl-form button:hover{background:#F2B333}
.nl-msg{min-height:1.4em;margin-top:10px;font-size:14.5px;color:#fff}

/* ---------- footer ---------- */
.site-footer{background:var(--deep);color:#B7C1D6;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding:52px 24px 36px;max-width:1160px;margin:0 auto}
.footer-brand .wordmark{color:#fff;margin-bottom:14px}
.footer-brand .wordmark .wm-code{border-color:#fff}
.footer-brand p{font-size:15px;max-width:30em}
.site-footer h5{font:500 12px/1 var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:#8492AE;margin:0 0 16px}
.site-footer a{color:#DCE3F0;text-decoration:none;display:block;padding:4px 0;font-size:15px}
.site-footer a:hover{color:#fff;text-decoration:underline}
.footer-contact{font-size:14.5px;line-height:1.6;font-style:normal}
.footer-contact strong{color:#fff;display:block;margin-bottom:4px}
.footer-bottom{border-top:1px solid #1F2A44;padding:20px 24px 28px;max-width:1160px;margin:0 auto;font-size:13.5px;line-height:1.55;color:#93A0BA}
.footer-bottom a{display:inline;color:#DCE3F0}

/* ---------- breadcrumbs ---------- */
.crumbs{font:500 12.5px/1.3 var(--f-mono);letter-spacing:.04em;color:var(--muted);padding:22px 0 0}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--ink);text-decoration:underline}
.crumbs span[aria-hidden]{margin:0 8px;color:var(--line-2)}

/* ---------- entry (product) page ---------- */
.entry-head{display:grid;grid-template-columns:auto minmax(0,1fr);gap:24px;align-items:end;padding:26px 0 30px;border-bottom:2px solid var(--ink);margin-bottom:34px}
.entry-title{font-size:clamp(2rem,4.2vw,3.3rem);font-weight:800;letter-spacing:-.035em;line-height:1.02;margin:0 0 10px}
.entry-deck{font-size:1.14rem;color:var(--ink-2);margin:0 0 14px;max-width:40em}
.entry-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.entry-meta time{font:500 12.5px var(--f-mono);color:var(--muted);letter-spacing:.03em;margin-left:4px}
.entry-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:52px;align-items:start;padding-bottom:70px}
.entry-aside{position:sticky;top:20px;display:grid;gap:18px}
.factsheet{background:var(--panel);border:1px solid var(--line-2)}
.fs-photo{background:#fff;border-bottom:1px solid var(--line-2);padding:16px;display:flex;align-items:center;justify-content:center;min-height:200px}
.fs-photo img{max-height:270px;width:auto;margin:0 auto}
.fs-photo.fs-nophoto{background:repeating-linear-gradient(45deg,#fff,#fff 10px,#F7F9FC 10px,#F7F9FC 20px);text-align:center;font:500 12.5px/1.4 var(--f-mono);color:var(--muted);padding:34px 20px}
.fs-title{font:500 11.5px/1 var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);padding:14px 16px 10px;margin:0;border-bottom:2px solid var(--ink)}
.fs-list{margin:0;padding:0}
.fs-row{display:grid;grid-template-columns:104px minmax(0,1fr);gap:12px;padding:11px 16px;border-bottom:1px solid var(--line);font-size:14.5px;line-height:1.4;margin:0}
.fs-row:last-child{border-bottom:0}
.fs-row dt{font:500 11.5px/1.5 var(--f-mono);letter-spacing:.05em;text-transform:uppercase;color:var(--muted);margin:0}
.fs-row dd{margin:0;color:var(--ink)}
.cta-box{background:var(--panel);border:2px solid var(--ink);padding:18px}
.cta-box .btn{margin-bottom:12px}
.disclosure{font-size:12.5px;line-height:1.5;color:var(--muted);margin:0}
.disclosure a{color:var(--muted)}

.entry-main h2{font-size:clamp(1.5rem,2.6vw,2rem);margin:2.1em 0 .6em;letter-spacing:-.025em}
.entry-main h2:first-child{margin-top:0}
.entry-main h3{font-size:1.2rem;margin:1.6em 0 .5em}
.entry-main p,.entry-main li{max-width:66ch}
.tldr{background:var(--panel);border:1px solid var(--line-2);border-left:6px solid var(--ink);padding:20px 24px 8px;margin-bottom:32px}
.tldr h2{font:500 12px/1 var(--f-mono)!important;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:0 0 12px!important}
.tldr ul{padding-left:1.1em}
.tldr li{max-width:none}

.checks{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:0 0 8px}
.check{background:var(--panel);border:1px solid var(--line-2);padding:18px 18px 16px;display:grid;grid-template-columns:auto minmax(0,1fr);gap:14px}
.check .sym{width:40px;height:40px;font-size:20px;padding:0 0 4px 6px}
.check .sym::after{display:none}
.check div h3{font:700 1.05rem/1.2 var(--f-display);margin:0 0 6px}
.check p{font-size:14.5px;line-height:1.5;margin:8px 0 0;color:var(--ink-2)}
.status{display:inline-flex;align-items:center;gap:6px;font:500 11.5px/1 var(--f-mono);text-transform:uppercase;letter-spacing:.06em;padding:5px 7px 4px;border:1px solid currentColor;border-radius:3px}
.status::before{font:700 12px/1 var(--f-body)}
.status-ok{color:var(--a-ink);background:var(--a-tint)}
.status-ok::before{content:"\2713"}
.status-part{color:var(--g-ink);background:var(--g-tint)}
.status-part::before{content:"\25D0"}
.status-miss{color:var(--t-ink);background:var(--t-tint)}
.status-miss::before{content:"\2715"}
.checks-key{font:400 12px/1.5 var(--f-mono);color:var(--muted);margin:10px 0 0}

.callout{border:1px solid var(--line-2);border-left-width:6px;background:var(--panel);padding:16px 20px 6px;margin:1.6em 0}
.callout-label{display:block;font:500 11.5px/1 var(--f-mono);letter-spacing:.1em;text-transform:uppercase;margin-bottom:8px}
.callout-note{border-left-color:var(--c)}
.callout-note .callout-label{color:var(--c-ink)}
.callout-watch{border-left-color:var(--g)}
.callout-watch .callout-label{color:var(--g-ink)}
.callout-key{border-left-color:var(--a)}
.callout-key .callout-label{color:var(--a-ink)}

.tbl-wrap{overflow-x:auto;margin:1.2em 0 1.6em;border:1px solid var(--line-2);background:var(--panel)}
.data-table{width:100%;border-collapse:collapse;font-size:15px;min-width:520px}
.data-table th{font:500 11.5px/1.2 var(--f-mono);letter-spacing:.07em;text-transform:uppercase;color:var(--muted);text-align:left;padding:12px 14px;border-bottom:2px solid var(--ink);background:var(--panel)}
.data-table td{padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:top;line-height:1.45}
.data-table tr:last-child td{border-bottom:0}
.data-table td:first-child{font-weight:600}
.data-table .num{font-family:var(--f-mono);font-size:14px;white-space:nowrap}

.sources{font-size:14.5px;line-height:1.5;color:var(--ink-2);padding-left:1.4em}
.sources li{max-width:none;margin-bottom:.55em;word-break:break-word}
.related{display:grid;gap:10px;margin:0;padding:0;list-style:none}
.related li{margin:0;max-width:none}
.related a{display:flex;align-items:center;gap:14px;background:var(--panel);border:1px solid var(--line-2);padding:12px 14px;text-decoration:none;color:var(--ink);font-weight:600}
.related a:hover{border-color:var(--ink);background:#F7F9FD}
.related small{display:block;font-weight:400;color:var(--muted);font-size:13.5px}

/* ---------- article ---------- */
.article-head{padding:26px 0 26px}
.article-title{font-size:clamp(2.1rem,4.6vw,3.6rem);font-weight:800;letter-spacing:-.038em;line-height:1.02;margin:14px 0 16px;max-width:19em}
.article-dek{font-size:1.2rem;color:var(--ink-2);max-width:38em;margin:0 0 18px}
.article-byline{font:500 12.5px/1.4 var(--f-mono);letter-spacing:.04em;color:var(--muted);display:flex;flex-wrap:wrap;gap:6px 18px;align-items:center}
.article-cover{border:1px solid var(--line-2);background:var(--panel);margin:0 0 42px}
.article-cover img{width:100%}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:64px;align-items:start;padding-bottom:70px}
.toc{position:sticky;top:20px;font-size:14.5px;border-top:2px solid var(--ink);padding-top:14px}
.toc h2{font:500 11.5px/1 var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:0 0 12px}
.toc > ol{list-style:none;padding:0;margin:0;counter-reset:toc}
.toc > ol > li{counter-increment:toc;margin:0 0 9px;display:grid;grid-template-columns:24px 1fr;gap:6px;line-height:1.35}
.toc > ol > li::before{content:counter(toc,decimal-leading-zero);font:500 11.5px/1.7 var(--f-mono);color:var(--muted)}
.toc > ol > li > a{color:var(--ink);text-decoration:none}
.toc > ol > li > a:hover{text-decoration:underline}
.toc .related a{color:var(--ink)}
.toc .related a:hover{text-decoration:none}
.toc-related{margin-top:30px}
.prose h2{font-size:clamp(1.55rem,2.7vw,2.05rem);margin:2.1em 0 .55em;letter-spacing:-.028em;scroll-margin-top:16px}
.prose h3{font-size:1.25rem;margin:1.7em 0 .5em}
.prose p,.prose li{max-width:66ch}
.prose > p:first-of-type{font-size:1.14rem;color:var(--ink-2)}
.prose blockquote{margin:1.6em 0;padding:4px 0 4px 22px;border-left:4px solid var(--g);font:600 1.28rem/1.4 var(--f-display);letter-spacing:-.01em;max-width:30em}

/* ---------- document (legal) pages ---------- */
.doc-head{padding:34px 0 26px;border-bottom:2px solid var(--ink);margin-bottom:34px}
.doc-head h1{font-size:clamp(2rem,4vw,3rem);letter-spacing:-.035em;margin:12px 0 10px}
.doc-head p{color:var(--ink-2);margin:0;max-width:40em}
.doc-meta{font:500 12.5px/1.4 var(--f-mono);color:var(--muted);letter-spacing:.03em;margin-top:14px}
.doc{padding-bottom:80px}
.doc h2{font-size:1.55rem;margin:2em 0 .55em;letter-spacing:-.025em}
.doc h3{font-size:1.15rem;margin:1.5em 0 .4em}
.doc p,.doc li{max-width:68ch}
.doc-card{background:var(--panel);border:1px solid var(--line-2);padding:22px 26px;margin:1.4em 0}
.doc-card dl{margin:0;display:grid;grid-template-columns:130px minmax(0,1fr);gap:8px 18px}
.doc-card dt{font:500 12px/1.6 var(--f-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.doc-card dd{margin:0}

/* ---------- 404 ---------- */
.nf{padding:90px 0 110px;text-align:left}
.nf .big{font:800 clamp(5rem,16vw,11rem)/.9 var(--f-display);letter-spacing:-.06em;margin:0 0 12px}
.nf .big span:nth-child(1){color:var(--a)}
.nf .big span:nth-child(2){color:var(--c)}
.nf .big span:nth-child(3){color:var(--g)}

/* ---------- cookie banner ---------- */
#cookieBanner{position:fixed;left:16px;bottom:16px;max-width:392px;background:var(--deep);color:#E8ECF4;border:1px solid #2A3550;padding:16px 18px 16px;border-radius:5px;z-index:60;box-shadow:0 14px 34px rgba(11,18,32,.4);display:none;font-size:14px;line-height:1.5}
#cookieBanner.show{display:block}
#cookieBanner p{margin:0 0 12px;color:#DCE3F0}
#cookieBanner a{color:#fff}
.cookie-banner-actions{display:flex;gap:8px}
#cookieBanner button{flex:1;font:700 14px var(--f-body);padding:11px 12px;border-radius:4px;cursor:pointer}
#cbAccept{background:var(--g);color:var(--ink);border:2px solid var(--g)}
#cbReject{background:transparent;color:#fff;border:2px solid #7C8AA8}
#cbReject:hover{border-color:#fff}

/* ---------- responsive ---------- */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .four{grid-template-columns:repeat(2,minmax(0,1fr))}
  .four-item:nth-child(2){border-right:0}
  .four-item:nth-child(-n+2){border-bottom:1px solid var(--line-2)}
  .entry-grid{grid-template-columns:1fr;gap:34px}
  .entry-aside{position:static;order:-1}
  .article-grid{grid-template-columns:1fr;gap:10px}
  .toc{position:static;order:-1;margin-bottom:26px}
  .brief{grid-template-columns:1fr;padding:34px 26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:760px){
  body{font-size:16.5px}
  .nav-toggle{display:block}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--panel);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:8px 16px 14px;z-index:20}
  .nav.is-open{display:flex}
  .topbar{position:relative}
  .topbar-inner{padding:12px 16px}
  .wrap,.wrap-narrow{padding:0 16px}
  .hero{padding:40px 0 40px}
  .section{padding:46px 0}
  .index-table thead{display:none}
  .index-table,.index-table tbody,.index-table tr,.index-table td{display:block}
  .index-table tr{display:grid;grid-template-columns:auto minmax(0,1fr);gap:4px 14px;padding:14px 14px 12px;border-bottom:1px solid var(--line)}
  .index-table td{padding:0;border:0}
  .ix-sym{grid-row:1 / span 3;width:auto}
  .ix-go{text-align:left}
  .note-row{grid-template-columns:1fr;gap:14px}
  .note-cover{max-width:420px}
  .checks{grid-template-columns:1fr}
  .entry-head{grid-template-columns:1fr;gap:16px;align-items:start}
  .sym-lg{width:68px;height:68px;font-size:34px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:40px 16px 28px}
  .footer-bottom{padding:18px 16px 26px}
  .nl-form{flex-direction:column}
  .doc-card dl{grid-template-columns:1fr}
  #cookieBanner{left:10px;right:10px;bottom:10px;max-width:none}
}
@media (max-width:520px){
  .four{grid-template-columns:1fr}
  .four-item{border-right:0!important;border-bottom:1px solid var(--line-2)}
  .four-item:last-child{border-bottom:0}
  .fs-row{grid-template-columns:92px minmax(0,1fr)}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .btn,.index-table tbody tr{transition:none}
  .btn:hover{transform:none}
}

.doc .checks{margin-bottom:22px}

/* grid children must be allowed to shrink so wide tables scroll inside .tbl-wrap instead of stretching the page */
.entry-main,.prose,.doc,.article-grid > *,.entry-grid > *{min-width:0}

.site-footer .linklike{display:block;background:none;border:0;padding:4px 0;margin:0;font:inherit;font-size:15px;color:#DCE3F0;cursor:pointer;text-align:left}
.site-footer .linklike:hover{color:#fff;text-decoration:underline}
.nl-note{font-size:13.5px;line-height:1.5;color:#93A0BA;margin:12px 0 0}
.nl-note a{color:#DCE3F0}