:root {
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #102448;
  background: #f4f9fd;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  line-height: 1.6;
}

header,
main,
footer {
  width: min(760px, calc(100% - 40px));
  margin: 0 auto;
}

header {
  padding: 36px 0 20px;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

nav a,
main a,
footer a {
  color: #006edb;
}

main {
  padding: 20px 0 56px;
}

h1,
h2 {
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.2rem, 8vw, 4rem);
  margin: 0 0 12px;
}

h2 {
  margin-top: 36px;
}

.lede {
  max-width: 620px;
  font-size: 1.2rem;
  color: #3e506d;
}

.card {
  margin: 24px 0;
  padding: 18px 20px;
  border: 1px solid #cfe2f3;
  border-radius: 14px;
  background: #fff;
}

footer {
  padding: 28px 0 44px;
  border-top: 1px solid #cfe2f3;
  color: #51627c;
}