:root {
  color-scheme: light dark;
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #1d2025;
  --muted: #5c6370;
  --border: #dde1e7;
  --accent: #2457d6;
  --accent-soft: #e8eefc;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15171b;
    --surface: #1d2025;
    --text: #e8eaed;
    --muted: #a2a8b2;
    --border: #343941;
    --accent: #7ea3ff;
    --accent-soft: #24304a;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

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

.wrap {
  max-width: 52rem;
  margin: 0 auto;
  padding: 0 1rem;
}

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

header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.9rem;
  padding-bottom: 0.9rem;
}

header.site .brand {
  font-weight: 650;
  color: var(--text);
  text-decoration: none;
}

header.site nav {
  display: flex;
  gap: 1rem;
  font-size: 0.95rem;
}

.hero {
  padding: 3.5rem 0 2rem;
}

.hero .title {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.hero img {
  width: 64px;
  height: 64px;
}

h1 {
  font-size: clamp(1.9rem, 5vw, 2.6rem);
  line-height: 1.15;
  margin: 0;
}

.lede {
  font-size: 1.2rem;
  color: var(--muted);
  max-width: 38rem;
  margin: 1rem 0 0;
}

.get {
  margin-top: 1.5rem;
  display: inline-block;
  padding: 0.6rem 1rem;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--text);
  font-size: 0.95rem;
}

h2 {
  font-size: 1.35rem;
  margin: 2.5rem 0 0.8rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 0.9rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem 1.1rem;
}

.card h3 {
  font-size: 1.02rem;
  margin: 0 0 0.35rem;
}

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

.note {
  color: var(--muted);
  font-size: 0.92rem;
}

footer.site {
  margin-top: 3.5rem;
  border-top: 1px solid var(--border);
  padding: 1.2rem 0 2.5rem;
  color: var(--muted);
  font-size: 0.9rem;
}

footer.site .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.2rem;
}