:root {
  color-scheme: light dark;
  --bg: #fbfbfc;
  --fg: #14161a;
  --muted: #5a6270;
  --border: #e2e5ea;
  --card: #ffffff;
  --accent: #1f5eff;
  --max: 44rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1014;
    --fg: #eceef2;
    --muted: #9aa3b2;
    --border: #262b34;
    --card: #141820;
    --accent: #7aa2ff;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  padding: 2.5rem 1.25rem 4rem;
}

main, header, footer { max-width: var(--max); margin: 0 auto; }

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }

header.site {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2.5rem;
}

.wordmark {
  font-weight: 650;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--fg);
  text-decoration: none;
}

header.site nav { display: flex; gap: 1.15rem; font-size: 0.92rem; }
header.site nav a { color: var(--muted); text-decoration: none; padding-block: 0.45rem; }
header.site nav a:hover, header.site nav a[aria-current="page"] { color: var(--fg); }

h1 {
  font-size: clamp(1.75rem, 1.2rem + 2vw, 2.4rem);
  line-height: 1.15;
  letter-spacing: -0.022em;
  margin: 0 0 0.75rem;
}

h2 {
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  margin: 2.4rem 0 0.6rem;
}

p.lede { font-size: 1.1rem; color: var(--muted); margin: 0 0 2rem; }

ul { padding-left: 1.15rem; }
li { margin: 0.35rem 0; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem 1.4rem;
  margin: 1.5rem 0;
}

.card h2 { margin-top: 0; font-size: 1rem; }
.card > :last-child { margin-bottom: 0; }

.meta { color: var(--muted); font-size: 0.88rem; }

footer.site {
  margin-top: 3.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.86rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}

footer.site a { color: var(--muted); padding-block: 0.35rem; }

code {
  font: 0.9em ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: color-mix(in srgb, var(--fg) 8%, transparent);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

@media (max-width: 30rem) {
  body { padding-top: 1.75rem; }
  header.site { flex-direction: column; align-items: flex-start; }
}