:root {
  --bg: #f4f5f8;
  --card: #ffffff;
  --text: #15171c;
  --muted: #555b66;
  --line: #e2e5ea;
  --accent: #ffb020;
  --accent-text: #15171c;
  --navy: #0f1b3d;
  --link: #0b5cad;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111318;
    --card: #1b1e25;
    --text: #eceef2;
    --muted: #a3a9b4;
    --line: #2c3039;
    --link: #7fb6ff;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
header {
  background: var(--navy);
  color: #fff;
}
header .wrap { display: flex; align-items: center; gap: 12px; padding-top: 18px; padding-bottom: 18px; }
header a { color: #fff; text-decoration: none; font-weight: 700; font-size: 20px; }
header .badge {
  width: 36px; height: 36px; border-radius: 9px; background: var(--accent);
  display: grid; place-items: center; color: var(--navy); font-weight: 800; font-size: 18px;
}
nav { margin-left: auto; display: flex; gap: 18px; }
nav a { font-weight: 500; font-size: 16px; opacity: .9; }
.wrap { max-width: 760px; margin: 0 auto; padding-left: 16px; padding-right: 16px; }
main .wrap { padding-top: 32px; padding-bottom: 48px; }
h1 { font-size: 30px; line-height: 1.25; margin: 0 0 8px; }
h2 { font-size: 21px; margin: 32px 0 8px; }
p, li { color: var(--text); }
.lead { font-size: 19px; color: var(--muted); margin-top: 0; }
.muted { color: var(--muted); font-size: 15px; }
a { color: var(--link); }
ul { padding-left: 22px; }
li { margin: 4px 0; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 20px 22px; margin: 20px 0;
}
.button {
  display: inline-block; background: var(--accent); color: var(--accent-text);
  font-weight: 700; text-decoration: none; padding: 12px 20px; border-radius: 10px;
}
footer { border-top: 1px solid var(--line); }
footer .wrap { padding-top: 18px; padding-bottom: 28px; color: var(--muted); font-size: 14px; display: flex; flex-wrap: wrap; gap: 16px; }
footer a { color: var(--muted); }
@media (max-width: 480px) {
  nav { gap: 12px; }
  nav a { font-size: 15px; }
  header a.home span { display: none; }
  h1 { font-size: 26px; }
}