:root {
  color-scheme: light;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f6f8fc;
  color: #172033;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  line-height: 1.7;
}

.site-shell {
  inline-size: min(100% - 2rem, 48rem);
  margin-inline: auto;
  padding-block: clamp(2rem, 7vw, 5rem);
}

.hero,
section,
nav {
  background: #fff;
  border: 1px solid #d8dfed;
  border-radius: 1rem;
  padding: clamp(1.25rem, 4vw, 2.5rem);
  box-shadow: 0 0.5rem 1.5rem rgb(23 32 51 / 8%);
}

section,
nav {
  margin-block-start: 1rem;
}

.eyebrow {
  color: #2458b8;
  font-weight: 700;
  margin-block: 0 0.25rem;
}

h1,
h2 {
  color: #102e69;
  line-height: 1.25;
}

h1 {
  font-size: clamp(2rem, 6vw, 3.5rem);
  margin-block: 0 1rem;
}

h2 {
  font-size: 1.4rem;
  margin-block-start: 0;
}

a {
  color: #0d4dae;
  font-weight: 700;
}

a:focus-visible {
  outline: 3px solid #e08a00;
  outline-offset: 0.25rem;
  border-radius: 0.2rem;
}

strong {
  color: #102e69;
}

@media (prefers-color-scheme: dark) {
  :root {
    background: #101827;
    color: #edf3ff;
  }

  .hero,
  section,
  nav {
    background: #172033;
    border-color: #385175;
  }

  h1,
  h2,
  strong {
    color: #e7efff;
  }

  a {
    color: #9fc5ff;
  }
}