:root {
  color-scheme: light dark;

  --bg: #fff;
  --bg-alt: #f5f6f8;
  --fg: #1c1e21;
  --fg-muted: #55595e;
  --border: #e2e4e8;
  --accent: #b3282d;
  --accent-fg: #fff;
  --code-bg: #f5f6f8;
  --code-border: #dcdfe4;
  --link: #0b5fa4;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15171a;
    --bg-alt: #1c1f23;
    --fg: #e7e9ec;
    --fg-muted: #a6acb3;
    --border: #2b2f34;
    --accent: #e0575c;
    --accent-fg: #15171a;
    --code-bg: #1c1f23;
    --code-border: #2b2f34;
    --link: #6cb6f5;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family:
    system-ui,
    -apple-system,
    "Segoe UI",
    Roboto,
    Helvetica,
    Arial,
    sans-serif;
  line-height: 1.55;
}

a {
  color: var(--link);
}

footer a {
  color: var(--fg-muted);
}

.wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

header.hero {
  border-bottom: 1px solid var(--border);
  background: var(--bg-alt);
  padding: 3rem 0 2.5rem;
}

header.hero h1 {
  margin: 0 0 0.4rem;
  font-size: 2.4rem;
  letter-spacing: -0.02em;
}

header.hero p.tagline {
  margin: 0 0 1.5rem;
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 40rem;
}

.badges img {
  height: 20px;
  vertical-align: middle;
}

.cta {
  margin-top: 1.5rem;
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.cta a {
  display: inline-block;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid var(--border);
}

.cta a.primary {
  background: var(--accent);
  color: var(--accent-fg);
  border-color: var(--accent);
}

main {
  padding: 2.5rem 0;
}

section {
  margin-bottom: 3rem;
}

section > h2 {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
}

section > p.lead {
  color: var(--fg-muted);
  margin-top: 0;
  margin-bottom: 1.5rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.card {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem 1.4rem;
  background: var(--bg-alt);
}

.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
}

.card p {
  color: var(--fg-muted);
  margin: 0 0 0.9rem;
  font-size: 0.95rem;
}

.card a.ref-link {
  font-weight: 600;
  text-decoration: none;
}

.card a.ref-link::after {
  content: " \2192";
}

pre {
  margin: 0;
  padding: 1rem 1.1rem;
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  border-radius: 8px;
  overflow-x: auto;
  font-size: 0.85rem;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

:not(pre) > code {
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  border-radius: 4px;
  padding: 0.1em 0.35em;
  font-size: 0.9em;
}

.lang-block {
  margin-bottom: 1.5rem;
}

.lang-block h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1rem;
  margin: 0 0 0.5rem;
}

.lang-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  color: var(--accent-fg);
  background: var(--accent);
}

footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0 3rem;
  color: var(--fg-muted);
  font-size: 0.9rem;
}