:root { --navy: #12223f; --blue: #0aa0ff; --teal: #10cfb4; --muted: #6b7a90; --line: #e3e8f0; }
* { box-sizing: border-box; }
body {
  margin: 0; background: #fff; color: var(--navy);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
header { border-bottom: 1px solid var(--line); }
header .wrap { display: flex; align-items: center; justify-content: space-between; padding-top: 1rem; padding-bottom: 1rem; }
header img { display: block; height: 40px; width: auto; }
header nav a { margin-left: 1.25rem; font-size: 0.9rem; }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 1.25rem; }
main.wrap { padding-top: 2.5rem; padding-bottom: 3rem; }
h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 0.25rem; }
h2 { font-size: 1.2rem; margin: 2.25rem 0 0.5rem; padding-top: 0.5rem; }
h3 { font-size: 1rem; margin: 1.25rem 0 0.25rem; }
p, ul { margin: 0 0 1rem; }
li { margin-bottom: 0.35rem; }
a { color: #0a7fd0; }
a:hover { color: var(--navy); }
.meta { color: var(--muted); font-size: 0.9rem; margin-bottom: 2rem; }
.meta::after {
  content: ""; display: block; width: 120px; height: 4px; margin-top: 1.25rem; border-radius: 2px;
  background: linear-gradient(90deg, var(--blue), var(--teal));
}
.caps { text-transform: uppercase; font-size: 0.92rem; }
footer { border-top: 1px solid var(--line); color: var(--muted); font-size: 0.85rem; padding: 1.5rem 0 2rem; }
footer a { color: var(--muted); margin-right: 1rem; }
@media (max-width: 520px) {
  header img { height: 30px; }
  h1 { font-size: 1.6rem; }
}