:root {
  color-scheme: light;
  --navy: #0c1424;
  --blue: #1769ff;
  --text: #182235;
  --muted: #61708a;
  --line: #e3e8f0;
  --panel: #f7f9fc;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: #fff;
  line-height: 1.65;
}
a { color: var(--blue); }
header {
  border-bottom: 1px solid var(--line);
  background: #fff;
}
.nav {
  width: min(960px, calc(100% - 40px));
  margin: 0 auto;
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--navy);
  text-decoration: none;
  font-weight: 750;
}
.brand img { width: 36px; height: 36px; }
nav a {
  color: #42506a;
  text-decoration: none;
  margin-left: 18px;
  font-size: 14px;
}
main {
  width: min(820px, calc(100% - 40px));
  margin: 0 auto;
  padding: 58px 0 76px;
}
h1 {
  margin: 0 0 8px;
  font-size: clamp(34px, 5vw, 48px);
  line-height: 1.12;
  letter-spacing: -0.025em;
  color: var(--navy);
}
h2 {
  margin: 42px 0 10px;
  font-size: 23px;
  color: var(--navy);
}h3 { margin: 28px 0 8px; color: var(--navy); }
p, li { font-size: 16px; }
.lead { color: var(--muted); font-size: 18px; }
.meta { color: var(--muted); font-size: 14px; }
.card {
  margin: 28px 0;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
}
ul { padding-left: 24px; }
footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
}
.footer-inner {
  width: min(960px, calc(100% - 40px));
  margin: 0 auto;
  padding: 24px 0 36px;
  font-size: 13px;
}
@media (max-width: 640px) {
  .nav { align-items: flex-start; padding: 16px 0; }
  nav { text-align: right; }
  nav a { display: block; margin: 3px 0; }
  main { padding-top: 38px; }
}