:root {
  --navy: #12355b;
  --amber: #f5a623;
  --bg: #f4f7fb;
  --surface: #ffffff;
  --text: #12355b;
  --muted: #4a6382;
  --border: #d5dfeb;
  --link: #0b5cab;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12355b;
    --surface: #1a4370;
    --text: #f4f7fb;
    --muted: #b7c8dc;
    --border: #2d5683;
    --link: #ffc65c;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.65 ui-rounded, "SF Pro Rounded", "Nunito", system-ui, -apple-system, "Segoe UI", sans-serif;
}
a { color: var(--link); }
.site-header, main, .site-footer { max-width: 760px; margin: 0 auto; padding: 0 16px; }
.site-header { padding-top: 24px; }
.brand img { display: block; width: 260px; max-width: 70%; height: auto; }
main { padding-top: 32px; padding-bottom: 48px; }
h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 .5em; }
h2 { font-size: 1.35rem; margin: 2em 0 .5em; }
h3 { font-size: 1.1rem; margin: 1.6em 0 .4em; }
.lead { font-size: 1.2rem; color: var(--muted); }
.card {
  display: flex; gap: 16px; align-items: center;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 16px; padding: 16px; margin: 24px 0;
  text-decoration: none; color: inherit;
}
.card img { width: 72px; height: 72px; border-radius: 16px; flex: none; }
.card h3 { margin: 0; }
.card p { margin: 0; color: var(--muted); }
.app-head { display: flex; gap: 16px; align-items: center; }
.app-head img { width: 96px; height: 96px; border-radius: 22px; }
.button {
  display: inline-block; background: var(--amber); color: #12355b;
  padding: 10px 18px; border-radius: 999px; font-weight: 700; text-decoration: none;
}
.doc table { border-collapse: collapse; width: 100%; margin: 1em 0; }
.doc th, .doc td { border: 1px solid var(--border); padding: 8px 10px; text-align: left; vertical-align: top; }
.doc blockquote { margin: 1em 0; padding: .1em 1em; border-left: 4px solid var(--amber); background: var(--surface); }
.site-footer { border-top: 1px solid var(--border); padding-top: 16px; padding-bottom: 32px; color: var(--muted); font-size: .9rem; }
.site-footer p { margin: .2em 0; }