:root {
  --blue: #1565c0;
  --red: #d32f2f;
  --ink: #1f2933;
  --muted: #5f6b7a;
  --bg: #ffffff;
  --soft: #f4f7fb;
  --line: #e2e8f0;
  color-scheme: light;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.wrap { max-width: 760px; margin: 0 auto; padding: 0 16px; }

header {
  border-bottom: 1px solid var(--line);
  background: var(--soft);
}
header .wrap { display: flex; align-items: center; gap: 16px; padding-top: 16px; padding-bottom: 16px; }
header img { width: 72px; height: 72px; }
header a.brand { color: var(--ink); text-decoration: none; font-weight: 700; line-height: 1.25; }
header a.brand small { display: block; color: var(--red); font-weight: 600; font-size: 14px; letter-spacing: .02em; }

nav { margin-left: auto; display: flex; gap: 16px; font-size: 15px; }
nav a { color: var(--blue); text-decoration: none; }
nav a[aria-current="page"] { font-weight: 700; }

main { padding: 32px 0 48px; }
h1 { font-size: 30px; line-height: 1.2; margin: 0 0 12px; color: var(--blue); }
h2 { font-size: 21px; margin: 32px 0 8px; }
h3 { font-size: 17px; margin: 24px 0 4px; }
p, ul, ol { margin: 0 0 12px; }
li { margin-bottom: 4px; }
a { color: var(--blue); overflow-wrap: anywhere; }

.hero { display: grid; grid-template-columns: 180px 1fr; gap: 24px; align-items: center; }
.hero img { width: 180px; height: 180px; }
.lead { font-size: 19px; color: var(--muted); }

.card { background: var(--soft); border: 1px solid var(--line); border-radius: 12px; padding: 16px 20px; margin: 16px 0; }
.small { font-size: 14px; color: var(--muted); }

footer { border-top: 1px solid var(--line); background: var(--soft); }
footer .wrap { padding-top: 20px; padding-bottom: 20px; font-size: 14px; color: var(--muted); }

@media (max-width: 600px) {
  header .wrap { flex-wrap: wrap; }
  nav { margin-left: 0; width: 100%; }
  .hero { grid-template-columns: 1fr; text-align: center; }
  .hero img { margin: 0 auto; width: 140px; height: 140px; }
  h1 { font-size: 26px; }
}