:root {
  --bg: #f2f2f7;
  --card: #ffffff;
  --text: #111114;
  --sub: #5e5e66;
  --sep: #d8d8de;
  --tint: #2f54d4;
  --ember: #c2501f;
  --forest: #2d7d4a;
  --violet: #7a45c8;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --card: #1c1c1e;
    --text: #f5f5f7;
    --sub: #a1a1aa;
    --sep: #38383a;
    --tint: #7b93ff;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.5;
}
a { color: var(--tint); }
.wrap { max-width: 720px; margin: 0 auto; padding: 0 16px 64px; }
header.site {
  display: flex; align-items: center; gap: 12px;
  padding: 20px 0; margin-bottom: 8px;
}
header.site img { width: 40px; height: 40px; border-radius: 10px; }
header.site a.brand { font-weight: 700; font-size: 19px; color: var(--text); text-decoration: none; }
header.site nav { margin-left: auto; display: flex; gap: 16px; font-size: 15px; }
header.site nav a { text-decoration: none; }
h1 { font-size: 34px; line-height: 1.15; margin: 24px 0 8px; }
h2 { font-size: 22px; margin: 32px 0 8px; }
p.lead { font-size: 19px; color: var(--sub); margin: 0 0 24px; }
.card {
  background: var(--card); border-radius: 16px; padding: 20px;
  margin: 12px 0;
}
.hero { text-align: center; padding: 40px 0 24px; }
.hero img.icon { width: 120px; height: 120px; border-radius: 28px; box-shadow: 0 10px 30px rgba(0,0,0,.18); }
.hero h1 { margin-top: 20px; }
.badge {
  display: inline-block; margin-top: 8px; padding: 12px 22px; border-radius: 14px;
  background: var(--text); color: var(--bg); font-weight: 600; text-decoration: none;
}
.features { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); margin-top: 24px; }
.features .card h3 { margin: 0 0 6px; font-size: 17px; }
.features .card p { margin: 0; color: var(--sub); font-size: 15px; }
.dot { display: inline-block; width: 10px; height: 10px; border-radius: 5px; margin-right: 8px; vertical-align: 1px; }
details { background: var(--card); border-radius: 14px; padding: 14px 18px; margin: 10px 0; }
details summary { font-weight: 600; cursor: pointer; }
details p { color: var(--sub); margin: 10px 0 2px; }
footer { margin-top: 48px; color: var(--sub); font-size: 14px; border-top: 1px solid var(--sep); padding-top: 16px; }
footer a { color: var(--sub); }