:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1c1c1e;
  --muted: #6e6e73;
  --accent: #0a84ff;
  --border: #e5e5ea;
  --card: #f5f5f7;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --fg: #f5f5f7;
    --muted: #9b9ba1;
    --accent: #409cff;
    --border: #2c2c2e;
    --card: #1c1c1e;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px;
}

header.site {
  padding: 48px 0 24px;
  border-bottom: 1px solid var(--border);
}

header.site .wordmark {
  font-size: 1.3rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--fg);
}

nav.site {
  margin-top: 16px;
  display: flex;
  gap: 20px;
  font-size: 0.95rem;
}

nav.site a {
  color: var(--muted);
  text-decoration: none;
}

nav.site a:hover {
  color: var(--accent);
}

main {
  padding: 48px 0 80px;
}

h1 {
  font-size: 2rem;
  margin-bottom: 0.25em;
}

h2 {
  font-size: 1.25rem;
  margin-top: 2.2em;
}

p, li {
  color: var(--fg);
}

.tagline {
  color: var(--muted);
  font-size: 1.15rem;
  margin-top: 0;
}

.updated {
  color: var(--muted);
  font-size: 0.9rem;
}

.cta {
  display: inline-block;
  margin-top: 28px;
  padding: 12px 24px;
  background: var(--accent);
  color: #fff;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
}

.features {
  display: grid;
  gap: 16px;
  margin-top: 40px;
  padding: 0;
  list-style: none;
}

.features li {
  background: var(--card);
  border-radius: 14px;
  padding: 18px 20px;
}

.features li strong {
  display: block;
  margin-bottom: 4px;
}

footer.site {
  border-top: 1px solid var(--border);
  padding: 24px 0 48px;
  color: var(--muted);
  font-size: 0.9rem;
}

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

code {
  background: var(--card);
  padding: 2px 6px;
  border-radius: 6px;
}