:root {
  --navy: #002f52;
  --primary: #00538c;
  --sky: #8acbf8;
  --ink: #101828;
  --muted: #667085;
  --border: #eaecf0;
  --canvas: #f4f6f8;
  --surface: #ffffff;
  color-scheme: light;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

header {
  background: linear-gradient(135deg, var(--navy), var(--primary) 70%);
  color: #fff;
  padding: 28px 16px 36px;
}

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

header img { display: block; height: 32px; width: auto; margin-bottom: 28px; }
header h1 { margin: 0 0 6px; font-size: 30px; line-height: 1.2; }
header p { margin: 0; color: var(--sky); font-size: 14px; }

nav { margin-top: 18px; display: flex; gap: 16px; flex-wrap: wrap; font-size: 14px; }
nav a { color: #fff; opacity: 0.8; text-decoration: none; }
nav a[aria-current="page"] { opacity: 1; font-weight: 700; border-bottom: 2px solid var(--sky); }

main .wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  margin-top: -16px;
  padding: 28px 24px 36px;
}

main h1 { font-size: 24px; margin: 0 0 16px; }
main h2 { font-size: 20px; margin: 32px 0 8px; color: var(--navy); }
main h3 { font-size: 17px; margin: 24px 0 6px; }
main ul { padding-left: 22px; }
main li { margin: 4px 0; }
main a { color: var(--primary); }
.status { color: var(--muted); }

footer { color: var(--muted); font-size: 13px; text-align: center; padding: 28px 16px 40px; }
footer a { color: var(--primary); }

@media (max-width: 520px) {
  header h1 { font-size: 24px; }
  main .wrap { border-radius: 0; border-left: 0; border-right: 0; padding: 22px 16px 28px; }
}