:root {
  color-scheme: light dark;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  --background: #f7f7f5;
  --foreground: #1c1c1a;
  --muted: #66645f;
  --surface: #ffffff;
  --border: #deddd8;
  --link: #176b55;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #171816;
    --foreground: #ecece7;
    --muted: #aaa9a2;
    --surface: #20211e;
    --border: #393a35;
    --link: #77d2b6;
  }
}

body {
  background: var(--background);
  color: var(--foreground);
  margin: 0;
}

main {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin: 4rem auto;
  max-width: 46rem;
  padding: 2.5rem;
}

h1,
h2 {
  line-height: 1.25;
}

h2 {
  margin-top: 2rem;
}

p,
li {
  max-width: 70ch;
}

.meta,
footer {
  color: var(--muted);
}

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

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

footer {
  border-top: 1px solid var(--border);
  margin-top: 2.5rem;
  padding-top: 1.25rem;
}

@media (max-width: 52rem) {
  main {
    border-left: 0;
    border-radius: 0;
    border-right: 0;
    margin: 1.5rem 0;
    padding: 1.5rem;
  }
}