/* Monochrome by client mandate: white / black in light, dark grey / white in dark.
   No accent colour anywhere. Hierarchy is carried by weight and spacing. */
:root{
  --bg:#FFFFFF; --fg:#111111; --dim:#6E6E6E; --rule:#E6E6E6; --well:#F7F7F7;
}
@media (prefers-color-scheme:dark){
  :root{ --bg:#1C1C1C; --fg:#FFFFFF; --dim:#9A9A9A; --rule:#333333; --well:#242424; }
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--fg);
  font:400 17px/1.6 Figtree,ui-sans-serif,system-ui,sans-serif;
  -webkit-font-smoothing:antialiased;
}
.wrap{max-width:1080px;margin:0 auto;padding:0 32px}
a{color:inherit}
:focus-visible{outline:2px solid var(--fg);outline-offset:4px;border-radius:2px}
picture,img{display:block}

/* one radius system: sharp. nothing on this page is rounded. */

/* nav: one line, 66px */
.top{border-bottom:1px solid var(--rule)}
.top .wrap{display:flex;align-items:center;gap:26px;height:66px}
.lockup img{height:19px;width:auto}
.top nav{margin-left:auto;display:flex;gap:26px;font-size:14.5px}
.top nav a{color:var(--dim);text-decoration:none}
.top nav a:hover{color:var(--fg)}

/* hero: left-aligned asymmetric split, mark as the right-hand counterweight */
.hero .wrap{
  display:grid;grid-template-columns:minmax(0,1fr) 232px;gap:64px;
  align-items:center;padding-top:96px;padding-bottom:96px;
}
h1{font-weight:800;font-size:clamp(40px,6.4vw,62px);line-height:1.02;letter-spacing:-.035em;margin:0}
.lede{margin:26px 0 0;max-width:40ch;font-size:19px;color:var(--dim)}
.cmd{
  margin-top:34px;display:flex;align-items:center;gap:11px;
  border:1px solid var(--rule);background:var(--well);padding:14px 18px;
  font-family:"IBM Plex Mono",monospace;font-size:14px;overflow-x:auto;max-width:34rem;
}
.cmd i{color:var(--dim);font-style:normal;user-select:none;flex:none}
.go{margin:20px 0 0;font-size:15px}
.go a{text-decoration:none;border-bottom:1px solid var(--rule);padding-bottom:2px;transition:border-color .2s}
.go a:hover{border-bottom-color:var(--fg)}
.go span{color:var(--dim);margin:0 12px}
.hero figure{margin:0}
.hero figure img{width:100%;height:auto;opacity:.14}

/* verdict block */
section{border-top:1px solid var(--rule);padding:72px 0}
h2{font-weight:800;font-size:27px;letter-spacing:-.028em;margin:0}
.sub{color:var(--dim);margin:14px 0 0;max-width:58ch}
pre{
  margin:32px 0 0;background:var(--well);border:1px solid var(--rule);padding:24px;
  overflow-x:auto;font-family:"IBM Plex Mono",monospace;font-size:13px;line-height:1.8;
  color:var(--dim);
}
pre b{color:var(--fg);font-weight:500}
pre em{font-style:normal;color:var(--fg);font-weight:500}

/* tiers: 2x2 grid, a different layout family to the block above */
.tiers{display:grid;grid-template-columns:1fr 1fr;gap:1px;margin-top:34px;background:var(--rule);border:1px solid var(--rule)}
.tier{background:var(--bg);padding:26px 24px}
.tier h3{margin:0;font-family:"IBM Plex Mono",monospace;font-size:13px;font-weight:500;letter-spacing:.1em;color:var(--dim)}
.tier p{margin:11px 0 0;font-size:16px;color:var(--dim);line-height:1.55}
.tier p b{color:var(--fg);font-weight:600;display:block;margin-bottom:3px;font-family:Figtree,sans-serif;font-size:17px;letter-spacing:-.01em}
.tier.spent p b{color:var(--dim)}

footer{border-top:1px solid var(--rule);padding:32px 0 56px}
footer .wrap{display:flex;flex-wrap:wrap;gap:14px 28px;align-items:center;font-size:14px;color:var(--dim)}
footer a{text-decoration:none}
footer a:hover{color:var(--fg)}
footer .end{margin-left:auto}

@media (max-width:820px){
  .hero .wrap{grid-template-columns:1fr;gap:44px;padding-top:64px;padding-bottom:64px}
  .hero figure{max-width:150px}
  .tiers{grid-template-columns:1fr}
  .wrap{padding-left:24px;padding-right:24px}
  footer .end{margin-left:0;width:100%}
}

/* ---- docs ---- */
.doc{padding:56px 0 88px}
.doc .wrap{max-width:760px}
.crumb{font-size:14px;color:var(--dim);margin:0 0 26px}
.crumb a{text-decoration:none;border-bottom:1px solid var(--rule);padding-bottom:2px}
.crumb a:hover{border-bottom-color:var(--fg)}
.doc h1{font-weight:800;font-size:clamp(30px,4.6vw,40px);line-height:1.08;letter-spacing:-.032em;margin:0}
.doc .standfirst{color:var(--dim);font-size:19px;margin:16px 0 0;max-width:58ch}
.doc h2{font-weight:800;font-size:22px;letter-spacing:-.022em;margin:52px 0 0;padding-top:26px;border-top:1px solid var(--rule)}
.doc h3{font-weight:600;font-size:17px;margin:30px 0 0}
.doc p{margin:14px 0 0;max-width:68ch}
.doc ul{margin:14px 0 0;padding-left:20px;max-width:68ch}
.doc li{margin:6px 0}
.doc table{border-collapse:collapse;margin:22px 0 0;width:100%;font-size:15.5px}
.doc th{text-align:left;font-weight:600;padding:9px 14px 9px 0;border-bottom:1px solid var(--fg);white-space:nowrap}
.doc td{padding:11px 14px 11px 0;border-bottom:1px solid var(--rule);vertical-align:top;color:var(--dim)}
.doc td:first-child{color:var(--fg);font-family:"IBM Plex Mono",monospace;font-size:13.5px;white-space:nowrap}
.doc td b{color:var(--fg);font-weight:600}
.doc code{font-family:"IBM Plex Mono",monospace;font-size:.88em;background:var(--well);border:1px solid var(--rule);padding:1px 5px}
.doc pre{margin:22px 0 0;background:var(--well);border:1px solid var(--rule);padding:20px;overflow-x:auto;
  font-family:"IBM Plex Mono",monospace;font-size:13px;line-height:1.75;color:var(--dim)}
.doc pre code{background:none;border:0;padding:0;font-size:inherit}
.doc pre b{color:var(--fg);font-weight:500}
.note{margin:22px 0 0;padding:16px 18px;border:1px solid var(--rule);background:var(--well);font-size:15.5px;color:var(--dim)}
.note b{color:var(--fg)}

/* docs index cards */
.entries{margin:34px 0 0;border-top:1px solid var(--rule)}
.entry{display:block;text-decoration:none;padding:20px 0;border-bottom:1px solid var(--rule)}
.entry:hover .entry-t{border-bottom-color:var(--fg)}
.entry-t{font-weight:600;font-size:17.5px;border-bottom:1px solid transparent;display:inline-block}
.entry-d{color:var(--dim);font-size:15.5px;margin:5px 0 0}
.entry-x{font-family:"IBM Plex Mono",monospace;font-size:11.5px;color:var(--dim);letter-spacing:.06em}
.doc .src{margin:44px 0 0;padding-top:20px;border-top:1px solid var(--rule);font-size:14px;color:var(--dim)}
.doc .src a{text-decoration:none;border-bottom:1px solid var(--rule);padding-bottom:2px}
.doc .src a:hover{border-bottom-color:var(--fg)}
.doc blockquote{margin:18px 0 0;padding:2px 0 2px 18px;border-left:2px solid var(--rule);color:var(--dim)}
.doc hr{border:0;border-top:1px solid var(--rule);margin:40px 0 0}
.doc a{color:inherit}
.doc h1+p,.doc h2+p,.doc h3+p{margin-top:12px}