:root {
  --bg: #fafaf8;
  --text: #1c1c1c;
  --muted: #5a5a5a;
  --accent: #0a5a9c;
  --line: #dcdcd6;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161618;
    --text: #ececec;
    --muted: #a0a0a0;
    --accent: #6cb4ee;
    --line: #333338;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
}

main {
  max-width: 40rem;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

.lang {
  text-align: right;
  font-size: 0.9rem;
  color: var(--muted);
}

.lang a,
.lang strong {
  padding: 0.25rem 0.4rem;
}

.lang strong {
  color: var(--text);
}

h1 {
  font-size: 2.2rem;
  line-height: 1.2;
  margin: 2.5rem 0 1.5rem;
}

p {
  margin: 0 0 1rem;
}

a {
  color: var(--accent);
}

.contact {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

@media (min-width: 40rem) {
  main {
    padding-top: 3rem;
  }

  h1 {
    font-size: 2.8rem;
  }
}