:root {
  color-scheme: light dark;
  --fg: #1a1a1a;
  --bg: #ffffff;
  --bg-alt: #f7f9fc;
  --border: #d0d5dd;
  --accent: #1565c0;
  --accent-fg: #ffffff;
  --muted: #5f6368;
  --card: #f2f6fc;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg: #e8eaed;
    --bg: #17181a;
    --bg-alt: #1c1e21;
    --border: #3a3d41;
    --accent: #8ab4f8;
    --accent-fg: #17181a;
    --muted: #9aa0a6;
    --card: #202225;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, 'Segoe UI', 'Hiragino Kaku Gothic ProN', sans-serif;
  color: var(--fg);
  background: var(--bg);
  line-height: 1.75;
}

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

.wrap {
  max-width: 760px;
  margin-inline: auto;
  padding: 0 20px;
}

header.hero {
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
  padding: 56px 0 40px;
  text-align: center;
}

header.hero h1 {
  font-size: 30px;
  margin: 0 0 8px;
}

header.hero p.tagline {
  color: var(--muted);
  font-size: 16px;
  margin: 0;
}

.disclaimer {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 13px;
  color: var(--muted);
  margin: 20px auto 0;
  max-width: 560px;
}

main {
  padding: 40px 0 64px;
}

section {
  margin: 48px 0;
}

h2 {
  font-size: 20px;
  margin: 0 0 16px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 15px;
}

.card p {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
}

.screenshot {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 24px auto 0;
  border-radius: 10px;
  border: 1px solid var(--border);
}

ol,
ul {
  padding-left: 22px;
}

li {
  margin: 6px 0;
}

.cta {
  display: inline-block;
  background: var(--accent);
  color: var(--accent-fg);
  border-radius: 8px;
  padding: 10px 18px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
}

.cta:hover {
  opacity: 0.9;
}

footer {
  border-top: 1px solid var(--border);
  padding: 24px 0 40px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

footer a {
  color: var(--muted);
  text-decoration: underline;
}