:root {
  color-scheme: light;
  font-family: system-ui, sans-serif;
  color: #263731;
  background: #f5f5ed;
  line-height: 1.75;
}

body {
  margin: 0;
}

main {
  max-width: 44rem;
  margin: 2rem auto;
  padding: 0 1rem;
}

h1 {
  margin: 1rem 0;
  font-size: clamp(1.55rem, 5vw, 2.25rem);
  line-height: 1.35;
}

h2 {
  margin: 0;
  font-size: 1.15rem;
}

section {
  background: #fff;
  border: 1px solid #d9dfd7;
  border-radius: 0.9rem;
  margin: 1rem 0;
  padding: 1rem 1.25rem;
}

p {
  margin: 0.65rem 0 0;
}

a {
  color: #135347;
  text-underline-offset: 0.18em;
}

.back {
  font-weight: 600;
}

a:focus-visible {
  outline: 2px solid #135347;
  outline-offset: 0.25rem;
}