:root {
  --fg: #0f172a;
  --muted: #5f6b7a;
  --bg: #f8fafc;
  --card: #ffffff;
  --border: #e2e8f0;
  --accent: #2563eb;
  --accent-fg: #ffffff;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --fg: #e8eaed;
    --muted: #9aa4b1;
    --bg: #0f1113;
    --card: #191c20;
    --border: #2c3138;
    --accent: #6b9cff;
    --accent-fg: #0b1220;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.6 system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif; }
a { color: var(--accent); }
.wrap { max-width: 960px; margin: 0 auto; padding: 0 16px; }
header.site { border-bottom: 1px solid var(--border); background: var(--card); }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; gap: 12px; }
.brand { white-space: nowrap; flex-shrink: 0; display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--fg); text-decoration: none; font-size: 18px; }
.brand img { width: 30px; height: 30px; }
nav.site { display: flex; gap: 18px; font-size: 15px; flex-wrap: wrap; }
nav.site a { color: var(--muted); text-decoration: none; }
nav.site a:hover { color: var(--fg); }
main.doc { max-width: 760px; margin: 0 auto; padding: 32px 16px 64px; }
main.doc h1 { font-size: 30px; margin: 0 0 4px; }
main.doc h2 { font-size: 20px; margin: 28px 0 8px; }
.muted { color: var(--muted); }
table { border-collapse: collapse; width: 100%; font-size: 15px; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--border); vertical-align: top; }
footer.site { border-top: 1px solid var(--border); padding: 24px 0 40px; font-size: 14px; color: var(--muted); }
footer.site .wrap { display: flex; flex-wrap: wrap; gap: 8px 18px; justify-content: space-between; }
footer.site nav { display: flex; gap: 16px; flex-wrap: wrap; }
.btn { display: inline-block; background: var(--accent); color: var(--accent-fg); font-weight: 700; padding: 12px 20px; border-radius: 10px; text-decoration: none; }
.btn.secondary { background: transparent; color: var(--accent); border: 1px solid var(--accent); }

/* landing */
.hero { padding: 56px 0 32px; display: grid; gap: 32px; grid-template-columns: 1.1fr 1fr; align-items: center; }
.hero h1 { font-size: 42px; line-height: 1.1; margin: 0 0 16px; letter-spacing: -0.5px; }
.hero p.lead { font-size: 19px; color: var(--muted); margin: 0 0 24px; }
.hero .ctas { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.shot { width: 100%; border-radius: 12px; border: 1px solid var(--border); box-shadow: 0 12px 32px rgba(15, 23, 42, 0.12); display: block; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 24px 0 48px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 20px; }
.card h3 { margin: 0 0 6px; font-size: 17px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
section.block { margin: 48px 0; }
section.block h2 { font-size: 28px; margin: 0 0 16px; }
.pricing { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.price { font-size: 34px; font-weight: 800; margin: 4px 0; }
.pricing ul { padding-left: 20px; margin: 12px 0 0; }
.pricing .pro { border-color: var(--accent); }
@media (max-width: 760px) {
  .hero { grid-template-columns: 1fr; padding-top: 32px; }
  .hero h1 { font-size: 32px; }
  .features, .pricing { grid-template-columns: 1fr; }
  header.site .wrap { height: auto; min-height: 60px; padding-top: 8px; padding-bottom: 8px; }
  nav.site { gap: 4px 12px; font-size: 14px; justify-content: flex-end; }
}