:root {
  --fondo: #faf9f7;
  --texto: #1c1b19;
  --suave: #6b6862;
  --linea: #e6e3de;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --fondo: #141311;
    --texto: #ece9e4;
    --suave: #9c988f;
    --linea: #2c2a26;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--fondo);
  color: var(--texto);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, sans-serif;
}
a { color: inherit; text-underline-offset: 3px; }
.envoltorio { max-width: 680px; margin: 0 auto; padding: 32px 20px 64px; }
header { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.marca { font-weight: 600; font-size: 18px; text-decoration: none; letter-spacing: -0.01em; }
.boton {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 999px;
  background: var(--texto);
  color: var(--fondo);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
}
.portada { padding: 18vh 0 12vh; }
.portada h1 { font-size: clamp(34px, 6vw, 52px); line-height: 1.1; letter-spacing: -0.02em; margin: 0 0 16px; }
.portada p { color: var(--suave); font-size: 19px; margin: 0 0 28px; max-width: 30em; }
h1 { font-size: 32px; line-height: 1.2; letter-spacing: -0.01em; margin: 48px 0 8px; }
h2 { font-size: 20px; margin: 36px 0 8px; }
.fecha { color: var(--suave); margin: 0 0 24px; }
ul { padding-left: 1.2em; }
li { margin: 4px 0; }
footer {
  margin-top: 64px;
  padding-top: 20px;
  border-top: 1px solid var(--linea);
  color: var(--suave);
  font-size: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}