:root {
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  color: #172b46;
  background: #f6f8fc;
}
* { box-sizing: border-box; }
body { margin: 0; }
header, main, footer { width: min(100% - 2rem, 760px); margin-inline: auto; }
header { padding: 2rem 0 1rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { color: #2459ca; font-size: 1.5rem; font-weight: 800; letter-spacing: -.04em; text-decoration: none; }
nav { display: flex; flex-wrap: wrap; gap: 1rem; }
nav a, footer a { color: #2459ca; }
main { padding: 1rem 0 4rem; }
.hero { padding: 2rem; border-radius: 1.25rem; color: white; background: #2459ca; }
.hero h1 { margin: 0 0 .5rem; font-size: clamp(2rem, 6vw, 3rem); line-height: 1.1; letter-spacing: -.04em; }
.hero p { max-width: 34rem; margin-bottom: 0; color: #e5ecff; }
.card { margin-top: 1.25rem; padding: 1.5rem 2rem; border: 1px solid #dce4f1; border-radius: 1.25rem; background: white; }
h1, h2 { line-height: 1.2; letter-spacing: -.025em; }
h1 { font-size: clamp(2rem, 5vw, 2.75rem); }
h2 { margin-top: 2rem; font-size: 1.25rem; }
p, li { max-width: 68ch; }
li + li { margin-top: .35rem; }
a { color: #2459ca; }
.button { display: inline-block; padding: .8rem 1.2rem; border-radius: .7rem; color: white; background: #2459ca; font-weight: 700; text-decoration: none; }
.button:focus-visible, a:focus-visible { outline: 3px solid #e79d30; outline-offset: 3px; }
.meta { color: #586a84; font-size: .9rem; }
footer { padding: 1.5rem 0 2rem; border-top: 1px solid #dce4f1; color: #586a84; }
@media (max-width: 520px) {
  header { align-items: flex-start; flex-direction: column; }
  .hero, .card { padding: 1.35rem; }
}