:root {
  color-scheme: light dark;
  --ink: #1c1428;
  --muted: #5c5368;
  --line: #e4dcea;
  --paper: #fff;
  --accent: #5b3cc4;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #f4eefc;
    --muted: #c8bdd6;
    --line: #3a3148;
    --paper: #140f1c;
    --accent: #c4b0ff;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 1.05rem/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
}

main, header, footer {
  width: min(42rem, calc(100% - 2rem));
  margin-inline: auto;
}

header, footer {
  padding: 1.25rem 0;
}

header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: baseline;
  border-bottom: 1px solid var(--line);
}

nav { display: flex; flex-wrap: wrap; gap: 0.75rem 1rem; }

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

h1 { font-size: 2rem; line-height: 1.2; margin: 1.5rem 0 0.25rem; }

.meta { color: var(--muted); margin-top: 0; }

section { margin: 1.75rem 0; }

h2 { font-size: 1.15rem; margin-bottom: 0.35rem; }

footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
}