:root {
  --fg: #222;
  --muted: #666;
  --link: #1f77b4;
  --bg: #fff;
  --border: #eee;
}

* { box-sizing: border-box; }

body {
  font: 16px/1.5 system-ui, -apple-system, sans-serif;
  color: var(--fg);
  background: var(--bg);
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

header, footer {
  padding: 1em 2em;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

footer {
  border-bottom: 0;
  border-top: 1px solid var(--border);
  margin-top: auto;
  font-size: 13px;
  color: var(--muted);
}

footer nav a { margin-left: 1em; color: var(--muted); }

.wordmark {
  font-weight: 700;
  color: inherit;
  font-size: 18px;
}

header nav a { margin-left: 1.5em; font-size: 14px; }

.cta {
  display: inline-block;
  padding: 6px 14px;
  background: var(--link);
  color: #fff;
  border-radius: 3px;
  text-decoration: none;
}
.cta:hover { text-decoration: none; opacity: 0.9; }

.cta-lg { padding: 10px 22px; font-size: 15px; }

main {
  max-width: 640px;
  margin: 0 auto;
  padding: 4em 2em;
}

h1 {
  font-size: 32px;
  line-height: 1.2;
  margin: 0 0 0.6em;
}

.lede {
  font-size: 17px;
  color: var(--fg);
  margin: 0.8em 0;
}

.cta-row {
  margin-top: 2.5em;
  display: flex;
  gap: 1em;
  align-items: baseline;
}

pre.code {
  font: 13px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace;
  background: #f6f6f6;
  border: 1px solid #e5e5e5;
  border-radius: 3px;
  padding: 12px 14px;
  margin: 2em 0;
  overflow-x: auto;
  color: #333;
}
pre.code .c { color: #888; }
pre.code .k { color: #a626a4; }
pre.code .s { color: #50a14f; }

@media (max-width: 480px) {
  pre.code { white-space: pre-wrap; overflow-wrap: break-word; font-size: 12px; }
}

.prose {
  max-width: 680px;
}
.prose h1 { font-size: 26px; }
.prose h2 { font-size: 18px; margin-top: 2em; }
.prose p, .prose ul { font-size: 15px; color: var(--fg); }
.prose ul { padding-left: 1.4em; }
.prose li { margin: 0.3em 0; }
.prose code { font-size: 13px; background: #f6f6f6; padding: 1px 4px; border-radius: 2px; }
.muted { color: var(--muted); font-size: 13px; }