:root {
  --bg: #fbfaf7;
  --surface: #ffffff;
  --text: #13202b;
  --muted: #5b6b78;
  --border: #e3e7eb;
  --accent: #0b8fa3;
  --accent-soft: color-mix(in srgb, var(--accent) 12%, transparent);
  --brown: #9a5f33;
  --code-bg: #0f1a24;
  --code-text: #dbe7ef;
  --shadow: 0 20px 50px rgb(15 26 36 / .14);
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b131b;
    --surface: #111c26;
    --text: #e4edf3;
    --muted: #93a4b2;
    --border: #1f2d3a;
    --accent: #3ccde2;
    --brown: #d39462;
    --code-bg: #08111a;
    --shadow: 0 20px 50px rgb(0 0 0 / .45);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif;
}

a { color: var(--accent); }
img, video { max-width: 100%; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* --- Navigation ------------------------------------------------------------ */

.nav { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); }
.nav .wrap { display: flex; align-items: center; gap: 24px; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 19px; color: var(--text); text-decoration: none; }
.nav .links { display: flex; gap: 20px; margin-left: auto; font-size: 15px; }
.nav .links a { color: var(--muted); text-decoration: none; }
.nav .links a:hover, .nav .links a[aria-current] { color: var(--text); }

/* --- Landing ------------------------------------------------------------- */

.hero { text-align: center; padding-top: 64px; padding-bottom: 40px; }  /* vertical only: .wrap sets the sides */
.hero img.logo { width: 200px; height: 200px; }
.hero h1 { margin: 8px auto 16px; max-width: 18em; font-size: clamp(32px, 5vw, 52px); line-height: 1.12; letter-spacing: -.02em; }
.hero p.lead { margin: 0 auto; max-width: 40em; font-size: 19px; color: var(--muted); }
.cta { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button { display: inline-block; padding: 12px 22px; border-radius: 10px; font-weight: 600; text-decoration: none; border: 1px solid var(--border); color: var(--text); background: var(--surface); }
.button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
@media (prefers-color-scheme: dark) { .button.primary { color: #07131b; } }

.demo { margin: 24px auto 0; max-width: 1040px; border-radius: 14px; overflow: hidden; border: 1px solid var(--border); box-shadow: var(--shadow); background: #0b131b; }
.demo .bar { display: flex; gap: 7px; padding: 11px 14px; background: #16222d; }
.demo .bar i { width: 11px; height: 11px; border-radius: 50%; background: #334452; }
.demo video { display: block; width: 100%; height: auto; aspect-ratio: 1280 / 860; }
.caption { text-align: center; color: var(--muted); font-size: 14px; margin-top: 12px; }

section.block { padding-top: 72px; padding-bottom: 8px; }
section.block h2 { font-size: 32px; letter-spacing: -.01em; margin: 0 0 8px; text-align: center; }
section.block p.intro { text-align: center; color: var(--muted); max-width: 40em; margin: 0 auto 36px; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(300px, 100%), 1fr)); gap: 16px; }
.card { min-width: 0; background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 22px; }
.card h3 { margin: 0 0 6px; font-size: 18px; display: flex; align-items: center; gap: 10px; }
.card p { margin: 0; color: var(--muted); font-size: 15.5px; }
.card .icon { font-size: 22px; }

.steps { counter-reset: step; }
/* Quick start: one step per row, so commands have room to breathe. */
.stack { display: grid; gap: 16px; max-width: 820px; margin: 0 auto; }
.stack .card pre { margin: 12px 0; }
.steps .card h3::before { counter-increment: step; content: counter(step); display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); font-size: 15px; }

.table-scroll { overflow-x: auto; border-radius: 14px; }
table.support { width: 100%; min-width: 560px; border-collapse: collapse; background: var(--surface); border: 1px solid var(--border); border-radius: 14px; overflow: hidden; font-size: 15.5px; }
table.support th, table.support td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); }
table.support th { font-size: 13px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
table.support tr:last-child td { border-bottom: none; }
.ok { color: #1f9d55; } .no { color: var(--muted); }
@media (prefers-color-scheme: dark) { .ok { color: #3cc47c; } }

pre { background: var(--code-bg); color: var(--code-text); padding: 16px 18px; border-radius: 12px; overflow-x: auto; font: 14px/1.55 var(--mono); }
code { font-family: var(--mono); font-size: .9em; }
:not(pre) > code { background: var(--accent-soft); padding: 1px 6px; border-radius: 5px; }

.note { border-left: 3px solid var(--brown); background: color-mix(in srgb, var(--brown) 8%, transparent); padding: 14px 18px; border-radius: 0 10px 10px 0; color: var(--text); font-size: 15.5px; }

footer { margin-top: 80px; padding: 32px 0; border-top: 1px solid var(--border); color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; }
footer .brand { font-size: 16px; }

/* --- Docs ------------------------------------------------------------------ */

.docs { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 48px; padding-top: 32px; }
.toc { position: sticky; top: 84px; align-self: start; max-height: calc(100vh - 100px); overflow-y: auto; font-size: 14px; }
.toc ul { list-style: none; margin: 0; padding: 0; }
.toc ul ul { padding-left: 14px; }
.toc a { display: block; padding: 3px 0 3px 10px; border-left: 2px solid var(--border); color: var(--muted); text-decoration: none; transition: color .15s, border-color .15s; }
.toc a:hover { color: var(--text); }
/* The section being read (toc.js), and the section around a sub-section being read. */
.toc a.active { color: var(--accent); border-left-color: var(--accent); font-weight: 600; }
.toc a.parent { color: var(--text); }
.toc .title { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); margin-bottom: 8px; }
article.doc { min-width: 0; }
article.doc h1 { font-size: 38px; letter-spacing: -.02em; margin-top: 0; }
article.doc h2 { margin-top: 48px; padding-top: 12px; border-top: 1px solid var(--border); }
article.doc h2, article.doc h3 { scroll-margin-top: 80px; }
article.doc .headerlink { visibility: hidden; margin-left: 6px; text-decoration: none; color: var(--muted); }
article.doc h2:hover .headerlink, article.doc h3:hover .headerlink { visibility: visible; }
article.doc table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 15px; display: block; overflow-x: auto; }
article.doc th, article.doc td { padding: 8px 12px; border: 1px solid var(--border); text-align: left; vertical-align: top; }
article.doc th { background: var(--surface); }
article.doc img { border-radius: 8px; }
article.doc .task-list-item { list-style: none; }
article.doc ul:has(> .task-list-item) { padding-left: 4px; }
article.doc .task-list-item input { accent-color: var(--accent); width: 16px; height: 16px; margin: 0 10px 0 0; vertical-align: -2px; }

@media (max-width: 820px) {
  .docs { grid-template-columns: minmax(0, 1fr); }  /* not 1fr: long code blocks must scroll, not widen the page */
  .toc { position: static; max-height: none; }
  .nav .links { gap: 14px; }
  .nav .links .hide-small { display: none; }
}

@media (max-width: 520px) {
  .wrap { padding: 0 16px; }
  .hero { padding-top: 40px; }
  .hero img.logo { width: 150px; height: 150px; }
}