:root {
  --fondo: #fbfaf7;
  --texto: #1f2328;
  --suave: #5b6168;
  --linea: #dfdcd4;
  --enlace: #0b5c5a;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --fondo: #16181b;
    --texto: #e9e7e2;
    --suave: #a4a8ad;
    --linea: #33373c;
    --enlace: #7fd1cc;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--fondo);
  color: var(--texto);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 42rem; margin: 0 auto; padding: 3rem 1rem 4rem; }
nav { margin-bottom: 2.5rem; font-size: .95rem; }
nav a { margin-right: 1rem; }
h1 { font-size: 1.9rem; line-height: 1.2; margin: 0 0 .5rem; text-wrap: balance; }
h2 { font-size: 1.15rem; margin: 2rem 0 .4rem; }
p, ul { margin: 0 0 1rem; }
ul { padding-left: 1.2rem; }
a { color: var(--enlace); text-underline-offset: 2px; }
.fecha, footer { color: var(--suave); font-size: .92rem; }
hr { border: 0; border-top: 1px solid var(--linea); margin: 3rem 0 2rem; }
code { font-size: .92em; overflow-wrap: anywhere; }