:root {
  --tinta: #11213B;
  --papel: #F4F6F9;
  --acero: #3C6699;
  --ambar: #C2872E;
  --gris: #5b667a;
  --borde: #d8dee8;
}
@media (prefers-color-scheme: dark) {
  :root {
    --tinta: #dde3ee;
    --papel: #0e1526;
    --acero: #7ea8d8;
    --ambar: #d9a558;
    --gris: #8b95a8;
    --borde: #26334d;
  }
}
* { box-sizing: border-box; }
html { font-size: 17px; }
body {
  margin: 0 auto;
  padding: 2.2rem 1.2rem 4rem;
  max-width: 42rem;
  background: var(--papel);
  color: var(--tinta);
  font-family: "IBM Plex Sans", -apple-system, "Segoe UI", sans-serif;
  line-height: 1.68;
}
header.sitio { margin-bottom: 2.6rem; }
header.sitio a.marca {
  font-family: "Spectral", Georgia, serif;
  font-weight: 700;
  font-size: 1.45rem;
  color: var(--tinta);
  text-decoration: none;
  letter-spacing: 0.01em;
}
header.sitio a.marca span { color: var(--ambar); }
header.sitio p.lema {
  margin: 0.25rem 0 0;
  color: var(--gris);
  font-size: 0.92rem;
}
h1 {
  font-family: "Spectral", Georgia, serif;
  font-weight: 700;
  font-size: 1.85rem;
  line-height: 1.25;
  margin: 0.4rem 0 1.4rem;
}
p.meta {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  color: var(--gris);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0 0 0.2rem;
}
article p { margin: 0 0 1.1rem; }
a { color: var(--acero); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--ambar); }
ul.indice { list-style: none; padding: 0; margin: 0; }
ul.indice li {
  display: grid;
  grid-template-columns: 7.4rem 1fr;
  gap: 0.8rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--borde);
  align-items: baseline;
}
ul.indice time {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  color: var(--gris);
  white-space: nowrap;
}
ul.indice a { text-decoration: none; }
ul.indice a:hover { text-decoration: underline; }
nav.serie {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin: 2.6rem 0 0;
  padding-top: 1.2rem;
  border-top: 1px solid var(--borde);
  font-size: 0.92rem;
}
nav.serie a { text-decoration: none; }
footer.sitio {
  margin-top: 3rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--borde);
  color: var(--gris);
  font-size: 0.85rem;
}
footer.sitio a { color: var(--gris); }
footer.sitio a:hover { color: var(--ambar); }
.suscribir {
  margin-top: 2.6rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--borde);
}
.suscribir p { margin: 0 0 0.7rem; }
.suscribir form { display: flex; gap: 0.6rem; flex-wrap: wrap; }
.suscribir input[type=email] {
  flex: 1; min-width: 12rem;
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--borde); border-radius: 4px;
  background: transparent; color: var(--tinta); font: inherit;
}
.suscribir button {
  padding: 0.55rem 1.1rem;
  border: none; border-radius: 4px;
  background: var(--ambar); color: #fff;
  font: inherit; font-weight: 600; cursor: pointer;
}
.suscribir button:hover { background: var(--acero); }
figure { margin: 0 0 1.5rem; }
figure img { width: 100%; height: auto; border-radius: 6px; display: block; }
figcaption {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.76rem;
  color: var(--gris);
  margin-top: 0.5rem;
}