:root {
  --bg: #ffffff;
  --surface: #f2f2f7;
  --text: #11181c;
  --muted: #5f676d;
  --border: #e5e5ea;
  --accent: #007aff;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0a0a;
    --surface: #1c1c1e;
    --text: #ecedee;
    --muted: #9ba1a6;
    --border: #38383a;
    --accent: #0a84ff;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

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

header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 600;
  text-decoration: none;
}

.brand img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

nav.site {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  font-size: 15px;
}

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

nav.site a[aria-current='page'],
nav.site a:hover {
  color: var(--text);
}

main {
  padding: 48px 0 64px;
}

h1 {
  font-size: 34px;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
}

h2 {
  font-size: 20px;
  margin: 36px 0 8px;
}

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

.updated {
  font-size: 15px;
  margin: 0 0 24px;
}

.hero {
  text-align: center;
  padding: 24px 0 8px;
}

.hero img {
  width: 112px;
  height: 112px;
  border-radius: 26px;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.18);
}

.hero h1 {
  font-size: 44px;
  margin-top: 24px;
}

.hero .lede {
  font-size: 20px;
  max-width: 520px;
  margin: 0 auto;
}

.badge {
  display: inline-block;
  margin-top: 24px;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font-size: 15px;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 48px;
}

.card {
  background: var(--surface);
  border-radius: 16px;
  padding: 20px;
}

.card h2 {
  margin: 0 0 6px;
  font-size: 18px;
}

.card p {
  margin: 0;
  font-size: 15px;
}

ol li,
ul li {
  margin-bottom: 6px;
}

footer.site {
  border-top: 1px solid var(--border);
  font-size: 14px;
  color: var(--muted);
}

footer.site .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 16px;
  padding-top: 20px;
  padding-bottom: 32px;
}

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