:root {
  color-scheme: light dark;
  --tinta: #1c1b19;
  --tinta-suave: #55524d;
  --papel: #f7f4ef;
  --papel-alto: #fffdf9;
  --linea: #ddd6ca;
  --acento: #8a5a2b;
}

@media (prefers-color-scheme: dark) {
  :root {
    --tinta: #ece7de;
    --tinta-suave: #a49d92;
    --papel: #15140f;
    --papel-alto: #1d1b16;
    --linea: #2f2c25;
    --acento: #d09a5c;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 1.5rem 6rem;
  background: var(--papel);
  color: var(--tinta);
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  font-size: 1.0625rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.hoja {
  max-width: 42rem;
  margin: 0 auto;
}

header.cabecera {
  padding: 4rem 0 2rem;
  border-bottom: 1px solid var(--linea);
  margin-bottom: 2.5rem;
}

.marca {
  font-family: ui-sans-serif, "Segoe UI", system-ui, sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--acento);
  margin: 0 0 0.75rem;
}

h1 {
  font-size: clamp(1.9rem, 5vw, 2.6rem);
  line-height: 1.15;
  font-weight: 600;
  margin: 0 0 0.75rem;
  letter-spacing: -0.01em;
}

.fecha {
  font-family: ui-sans-serif, "Segoe UI", system-ui, sans-serif;
  font-size: 0.8125rem;
  color: var(--tinta-suave);
  margin: 0;
}

h2 {
  font-size: 1.1875rem;
  font-weight: 600;
  margin: 2.5rem 0 0.6rem;
  letter-spacing: -0.005em;
}

p { margin: 0 0 1rem; }

ul { margin: 0 0 1rem; padding-left: 1.15rem; }
li { margin-bottom: 0.4rem; }

strong { font-weight: 600; }

a { color: var(--acento); text-decoration-thickness: 1px; text-underline-offset: 2px; }

.aviso {
  background: var(--papel-alto);
  border: 1px solid var(--linea);
  border-left: 3px solid var(--acento);
  padding: 1.1rem 1.25rem;
  margin: 2rem 0;
  font-size: 0.9375rem;
}

.aviso p:last-child { margin-bottom: 0; }

footer.pie {
  margin-top: 3.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--linea);
  font-family: ui-sans-serif, "Segoe UI", system-ui, sans-serif;
  font-size: 0.8125rem;
  color: var(--tinta-suave);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  justify-content: space-between;
}

footer.pie a { color: var(--tinta-suave); }