:root {
  --navy: #003c78;
  --navy-deep: #00264d;
  --cyan: #00a8e8;
  --ink: #16243a;
  --muted: #5a6b82;
  --line: #dbe4ef;
  --bg: #f5f8fc;
  --card: #ffffff;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root { --ink: #e6edf7; --muted: #9fb0c6; --line: #24364d; --bg: #0b1626; --card: #111f33; color-scheme: dark; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--cyan); }
header.site {
  background: var(--navy); color: #fff;
  padding: 18px 20px;
}
header.site .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
header.site .brand { color: #fff; text-decoration: none; font-weight: 700; font-size: 22px; letter-spacing: 0.5px; }
header.site .brand span { color: var(--cyan); }
header.site nav { display: flex; gap: 18px; flex-wrap: wrap; }
header.site nav a { color: #d6e6f7; text-decoration: none; font-size: 15px; }
header.site nav a:hover, header.site nav a[aria-current="page"] { color: #fff; text-decoration: underline; }
.wrap { max-width: 880px; margin: 0 auto; }
main { padding: 36px 20px 56px; }
.hero { background: linear-gradient(135deg, var(--navy) 0%, var(--navy-deep) 100%); color: #fff; padding: 56px 20px 64px; }
.hero h1 { margin: 0 0 12px; font-size: clamp(28px, 5vw, 42px); line-height: 1.15; text-wrap: balance; }
.hero p { margin: 0; max-width: 62ch; color: #d6e6f7; font-size: 18px; }
h1 { font-size: clamp(26px, 4vw, 34px); line-height: 1.2; margin: 0 0 8px; text-wrap: balance; }
h2 { font-size: 21px; margin: 32px 0 8px; text-wrap: balance; }
h3 { font-size: 17px; margin: 20px 0 4px; }
p, li { max-width: 68ch; }
.muted { color: var(--muted); }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin-top: 24px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; }
.card h3 { margin-top: 0; color: var(--navy); }
@media (prefers-color-scheme: dark) { .card h3 { color: var(--cyan); } }
.contact { background: var(--card); border-left: 4px solid var(--cyan); padding: 14px 18px; border-radius: 6px; margin: 20px 0; }
footer.site { border-top: 1px solid var(--line); padding: 22px 20px 32px; font-size: 14px; color: var(--muted); }
footer.site p { margin: 4px 0; max-width: none; }