:root {
  color-scheme: dark light;
  --bg: #181D23; --bg-2: #20272F; --bg-3: #2A323C; --fg: #E9E5DC; --muted: #ABA69B; --slate: #8993A1;
  --brass: #D9A54B; --brass-fill: #C08A2E; --on-brass: #181D23; --border: rgba(137,147,161,.28);
  --link: #D9A54B; --mark: #6b5400; --mark-fg: #fff6d6; --alert-bg: #2c2117; --alert-border: #D9A54B;
  --grid: rgba(62,92,118,.14);
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #F4F1EA; --bg-2: #FFFFFF; --bg-3: #ECE8DE; --fg: #181D23; --muted: #4F5A66; --slate: #5E6875;
    --brass: #7A5311; --brass-fill: #7A5311; --on-brass: #FFFFFF; --border: #D5D0C4;
    --link: #8A3F0E; --mark: #ffe08a; --mark-fg: #181D23; --alert-bg: #FBF0DD; --alert-border: #B26A12;
    --grid: transparent;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 1.0625rem/1.65 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  overflow-wrap: anywhere;
}
body.has-grid {
  background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 34px 34px;
}
.skip { position: absolute; left: -999px; top: 0; background: var(--brass-fill); color: var(--on-brass); padding: .5rem 1rem; }
.skip:focus { left: 1rem; z-index: 10; }
.wrap { max-width: 50rem; margin: 0 auto; padding-left: 16px; padding-right: 16px; }
.wrap.wide { max-width: 60rem; }
.topbar { border-bottom: 1px solid var(--border); background: var(--bg); }
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-top: 14px; padding-bottom: 14px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--fg); font-weight: 800; letter-spacing: .06em; font-size: .95rem; }
.brand svg { width: 26px; height: 26px; flex: none; }
.mono, .eyebrow, .toplinks a, .doc-nav a, .footlinks, .badge { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.toplinks { display: flex; gap: 1.25rem; }
.toplinks a { color: var(--slate); text-decoration: none; font-size: .75rem; letter-spacing: .06em; text-transform: uppercase; }
.toplinks a:hover { color: var(--link); }
.doc-nav { border-bottom: 1px solid var(--border); }
.doc-nav ul { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: .25rem 1.25rem; padding: .6rem 0; }
.doc-nav a { font-size: .8rem; color: var(--muted); text-decoration: none; }
.doc-nav a:hover { color: var(--link); text-decoration: underline; }
.doc-nav a[aria-current="page"] { color: var(--fg); font-weight: 700; text-decoration: underline; text-decoration-color: var(--brass-fill); text-underline-offset: 4px; }
main { padding-top: 1rem; padding-bottom: 3rem; }
h1 { font-size: clamp(1.8rem, 5vw, 2.4rem); line-height: 1.15; margin: 1.25rem 0 .35rem; font-weight: 850; letter-spacing: -.01em; }
h2 { font-size: 1.3rem; margin: 2.2rem 0 .25rem; padding-top: .6rem; border-top: 1px solid var(--border); line-height: 1.25; }
h3 { font-size: 1.1rem; margin: 1.5rem 0 .25rem; }
h2 + p > em:only-child, .summary { color: var(--muted); }
a { color: var(--link); text-underline-offset: 2px; }
a:focus-visible, .skip:focus-visible, .store-btn:focus-visible { outline: 3px solid var(--brass); outline-offset: 2px; }
.meta { color: var(--muted); margin: 0 0 1rem; font-size: .95rem; }
blockquote { margin: 1rem 0; padding: .75rem 1rem; background: var(--alert-bg); border-left: 4px solid var(--alert-border); border-radius: 4px; }
blockquote p { margin: 0; }
.table-wrap { overflow-x: auto; margin: 1rem 0; border: 1px solid var(--border); border-radius: 4px; }
table { border-collapse: collapse; width: 100%; font-size: .95rem; }
th, td { text-align: left; vertical-align: top; padding: .45rem .6rem; border-bottom: 1px solid var(--border); }
th { background: var(--bg-3); }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .9em; }
pre { background: var(--bg-3); padding: .75rem; overflow-x: auto; border-radius: 4px; }
mark { background: var(--mark); color: var(--mark-fg); padding: 0 .15em; }
hr { border: 0; border-top: 1px solid var(--border); margin: 2rem 0; }
footer { border-top: 1px solid var(--border); color: var(--muted); font-size: .9rem; }
footer .wrap { padding-top: 1.25rem; padding-bottom: 2.5rem; }
footer p { margin: .4rem 0; }
.footlinks { font-size: .8rem; }
.footlinks a { color: var(--muted); }
/* index cards */
.cards { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); padding: 0; list-style: none; }
.cards li { border: 1px solid var(--border); border-radius: 6px; padding: .75rem 1rem; background: var(--bg-2); }
.cards h2 { border: 0; margin: 0 0 .25rem; padding: 0; font-size: 1.15rem; }
.cards ul { padding-left: 1.1rem; margin: .25rem 0 0; }
/* product pages */
.hero { padding: 3rem 0 1.5rem; }
.eyebrow { font-size: .75rem; letter-spacing: .14em; text-transform: uppercase; color: var(--brass); margin: 0 0 1rem; display: flex; align-items: center; gap: 10px; }
.eyebrow::before { content: ""; width: 7px; height: 7px; background: var(--brass-fill); display: inline-block; }
.hero h1 { font-size: clamp(2.2rem, 8vw, 3.6rem); font-weight: 900; margin: 0 0 .5rem; max-width: 16ch; }
.tagline { font-size: 1.35rem; font-weight: 700; margin: 0 0 1rem; }
.lede { color: var(--muted); font-size: 1.1rem; max-width: 60ch; margin: 0 0 1.5rem; }
.badge { display: inline-block; font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; color: var(--brass); border: 1px solid var(--brass-fill); padding: 3px 8px; margin-bottom: 1rem; }
.store-btn { display: inline-block; padding: .8rem 1.4rem; border-radius: 10px; font-weight: 700; text-decoration: none; background: var(--brass-fill); color: var(--on-brass); }
.store-btn[aria-disabled="true"] { background: transparent; color: var(--muted); border: 1px dashed var(--slate); cursor: default; }
.sect { border-top: 1px solid var(--border); padding: 2.2rem 0 .5rem; }
.sect h2 { border: 0; padding: 0; margin: 0 0 .75rem; font-size: 1.5rem; }
.sect > p, .sect li { max-width: 62ch; }
.ticks { padding-left: 1.2rem; }
.ticks li { margin: .5rem 0; }
.notbox { border: 1px solid var(--alert-border); background: var(--alert-bg); border-radius: 8px; padding: 1rem 1.25rem; margin: 1rem 0; }
.notbox h2 { font-size: 1.25rem !important; margin: 0 0 .5rem !important; }
.notbox ul { margin: .5rem 0; padding-left: 1.2rem; }
.panel { background: var(--bg-2); border: 1px solid var(--border); border-radius: 8px; padding: 1rem 1.25rem; margin: 1rem 0; }
.panel h2 { font-size: 1.25rem !important; margin: 0 0 .5rem !important; }
.gallery { display: flex; gap: 14px; overflow-x: auto; padding: .25rem 0 1rem; margin: 0; list-style: none; scroll-snap-type: x proximity; }
.gallery li { flex: 0 0 auto; width: min(15rem, 62vw); scroll-snap-align: start; }
.gallery figure { margin: 0; }
.gallery img { width: 100%; height: auto; display: block; border: 1px solid var(--border); border-radius: 18px; background: var(--bg-2); }
.gallery figcaption { font-size: .8rem; color: var(--muted); margin-top: .4rem; line-height: 1.35; }
.doclinks { display: flex; flex-wrap: wrap; gap: .5rem 1.25rem; padding: 0; list-style: none; }