:root {
  --bg: #0d1117;
  --panel: #161b22;
  --border: #21262d;
  --text: #c9d1d9;
  --muted: #8b949e;
  --kw: #ff7b72;      /* keyword red */
  --fn: #d2a8ff;      /* function purple */
  --str: #7ee787;     /* string green */
  --num: #f2cc60;     /* number yellow */
  --accent: #58a6ff;  /* link blue */
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 880px; margin: 0 auto; padding: 0 24px; }

header.site {
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
}
header.site .wrap { display: flex; align-items: center; justify-content: space-between; }
.brand { font-weight: 700; font-size: 1.15rem; letter-spacing: -0.02em; }
.brand b { color: var(--str); }
nav a { color: var(--muted); margin-left: 22px; font-size: 0.95rem; }
nav a:hover { color: var(--text); }

.hero { padding: 80px 0 48px; text-align: center; }
.hero h1 { font-size: 3rem; line-height: 1.1; letter-spacing: -0.03em; margin-bottom: 16px; }
.hero h1 .grad {
  background: linear-gradient(90deg, var(--str), var(--accent), var(--fn));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero p.lead { font-size: 1.25rem; color: var(--muted); max-width: 620px; margin: 0 auto 32px; }

.cta { display: inline-flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.btn {
  display: inline-block; padding: 12px 22px; border-radius: 8px;
  font-weight: 600; font-size: 0.98rem; border: 1px solid var(--border);
}
.btn.primary { background: var(--str); color: #0d1117; border-color: var(--str); }
.btn.primary:hover { filter: brightness(1.08); text-decoration: none; }
.btn.ghost { color: var(--text); background: var(--panel); }
.btn.ghost:hover { border-color: var(--accent); text-decoration: none; }

.code {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  padding: 22px 24px; text-align: left; margin: 40px auto 0; max-width: 680px;
  font-family: "SF Mono", "Fira Code", Menlo, Consolas, monospace;
  font-size: 0.92rem; line-height: 1.7; overflow-x: auto;
  white-space: pre;            /* preserve the line breaks + indentation of the code */
  tab-size: 4;
}
.code .c { color: var(--muted); }
.code .k { color: var(--kw); }
.code .f { color: var(--fn); }
.code .s { color: var(--str); }
.code .n { color: var(--num); }

section { padding: 56px 0; border-top: 1px solid var(--border); }
section h2 { font-size: 1.8rem; letter-spacing: -0.02em; margin-bottom: 8px; text-align: center; }
section p.sub { color: var(--muted); text-align: center; margin-bottom: 32px; }

.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.pillar { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 22px; }
.pillar h3 { font-size: 1.1rem; margin-bottom: 8px; }
.pillar p { color: var(--muted); font-size: 0.95rem; }

table.bench { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
table.bench th, table.bench td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--border); }
table.bench th { color: var(--muted); font-weight: 600; }
table.bench tr.me td { color: var(--str); font-weight: 700; }
table.bench td.num { text-align: right; font-variant-numeric: tabular-nums; }

/* Feature matrix on the landing */
table.matrix th, table.matrix td { text-align: center; }
table.matrix th:first-child, table.matrix td:first-child { text-align: left; color: var(--text); }
table.matrix th.me, table.matrix td.me { background: rgba(126,231,135,0.06); }
table.matrix th.me { color: var(--str); }
table.matrix td.y { color: var(--str); font-weight: 700; }
table.matrix td.n { color: var(--muted); }

pre.install {
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 16px 18px; font-family: "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.92rem; overflow-x: auto; color: var(--str);
}
.os { margin-bottom: 24px; }
.os h3 { font-size: 1rem; margin-bottom: 8px; color: var(--text); }

footer.site { border-top: 1px solid var(--border); padding: 40px 0; color: var(--muted); font-size: 0.9rem; text-align: center; }

/* Docs: traditional two-column layout — persistent sidebar + content. */
.docs-layout { max-width: 1120px; margin: 0 auto; padding: 0 24px; display: grid; grid-template-columns: 240px 1fr; gap: 48px; align-items: start; }
.docs-sidebar { position: sticky; top: 0; padding: 40px 0; border-right: 1px solid var(--border); }
.ds-group { margin-bottom: 22px; }
.ds-title { display: block; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin-bottom: 8px; }
.docs-sidebar a { display: block; padding: 5px 0; color: var(--text); font-size: 0.95rem; }
.docs-sidebar a:hover { color: var(--accent); text-decoration: none; }
.docs-layout .prose { max-width: 720px; margin: 0; padding: 40px 0 64px; }
@media (max-width: 760px) {
  .docs-layout { grid-template-columns: 1fr; gap: 0; }
  .docs-sidebar { position: static; border-right: none; border-bottom: 1px solid var(--border); }
}

/* Content pages (docs/blog) — content() renders bare semantic HTML inside <main class="prose">. */
.prose { max-width: 760px; margin: 0 auto; padding: 56px 24px; }
.prose h1 { font-size: 2.2rem; letter-spacing: -0.02em; margin-bottom: 18px; }
.prose h2 { font-size: 1.5rem; letter-spacing: -0.01em; margin: 36px 0 12px; padding-top: 18px; border-top: 1px solid var(--border); }
.prose h3 { font-size: 1.15rem; margin: 24px 0 8px; }
.prose p { margin: 14px 0; color: var(--text); }
.prose ul, .prose ol { margin: 14px 0; padding-left: 24px; }
.prose li { margin: 6px 0; }
.prose a { color: var(--accent); }
.prose code { background: var(--panel); border: 1px solid var(--border); border-radius: 5px; padding: 2px 6px; font-family: "SF Mono", Menlo, Consolas, monospace; font-size: 0.88em; color: var(--str); }
.prose pre { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 16px 18px; overflow-x: auto; margin: 16px 0; }
.prose pre code { background: none; border: none; padding: 0; color: var(--text); }
/* Syntax colors applied by /assets/syn-highlight.js */
.prose pre code .k { color: var(--kw); }
.prose pre code .f { color: var(--fn); }
.prose pre code .s { color: var(--str); }
.prose pre code .n { color: var(--num); }
.prose pre code .c { color: var(--muted); }
/* Prev/next navigation at the bottom of a doc page */
.docnav { display: flex; justify-content: space-between; gap: 16px; margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--border); }
.docnav a { color: var(--accent); font-size: 0.95rem; }
.prose table.bench { margin: 18px 0; }
.prose img { max-width: 100%; }

@media (max-width: 680px) {
  .hero h1 { font-size: 2.2rem; }
  .pillars { grid-template-columns: 1fr; }
}