:root {
  --paper: #f5f1e8;
  --ink: #2b4c7e;
  --text: #1f2933;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font:
    17px/1.6 system-ui,
    -apple-system,
    'Segoe UI',
    Roboto,
    sans-serif;
}
main {
  max-width: 42rem;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}
h1,
h2 {
  color: var(--ink);
  line-height: 1.25;
}
h2 {
  margin-top: 2rem;
}
a {
  color: var(--ink);
}
nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.lang {
  margin-left: auto;
}