:root {
  --bg: #f7f8fa;
  --surface: #ffffff;
  --text: #1a1d23;
  --text-muted: #565c66;
  --accent: #2758d9;
  --border: #e2e5ea;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1218;
    --surface: #171b23;
    --text: #eef0f3;
    --text-muted: #a3aab5;
    --accent: #6f9bff;
    --border: #2a2f3a;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
}

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

header.pagina {
  max-width: 760px;
  margin: 0 auto;
  padding: 2rem 1.25rem 0;
}

h1 {
  font-size: 1.6rem;
  margin: 0 0 0.35rem;
}

h2 {
  font-size: 1.15rem;
  margin: 2rem 0 0.6rem;
  color: var(--text);
  border-top: 1px solid var(--border);
  padding-top: 1.25rem;
}

p, li {
  color: var(--text-muted);
  font-size: 0.98rem;
}

.meta {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin: 0 0 1.5rem;
}

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

.marca {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
  color: var(--text);
}

.tarjeta {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem 1.75rem;
  margin-top: 1.5rem;
}

.enlaces-inicio {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.enlaces-inicio a {
  display: inline-block;
}

.pie {
  margin-top: 3rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.85rem;
}

strong {
  color: var(--text);
}