/* ==========================================================================
   UPC - Paginas indexables (ciudades, sedes, examenes) + bloque de enlaces del home
   Generado a la par de build_seo.py. Usa las variables de main.css (claro/oscuro).
   ========================================================================== */

.seo-main {
  padding: 148px 0 72px;
  background: var(--bg-primary);
  color: var(--text-primary);
}

.seo-crumbs {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.seo-crumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; }
.seo-crumbs li + li::before { content: "/"; margin-right: 6px; opacity: .55; }
.seo-crumbs a { color: var(--upc-blue); text-decoration: none; }
.seo-crumbs a:hover { text-decoration: underline; }

.seo-h1 {
  font-family: 'Outfit', 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(1.75rem, 4.2vw, 2.75rem);
  line-height: 1.15;
  font-weight: 800;
  color: var(--text-primary);
  margin: 0 0 16px;
  letter-spacing: -0.01em;
}
.seo-lead {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 820px;
  margin: 0 0 28px;
}

.seo-section { margin-top: 44px; }
.seo-h2 {
  font-family: 'Outfit', 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(1.35rem, 2.6vw, 1.75rem);
  font-weight: 800;
  margin: 0 0 16px;
  color: var(--text-primary);
}
.seo-h3 { font-size: 1.15rem; font-weight: 700; margin: 0 0 8px; color: var(--text-primary); }
.seo-p { color: var(--text-secondary); line-height: 1.7; margin: 0 0 12px; max-width: 820px; }

.seo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
  gap: 18px;
}
.seo-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 22px;
  box-shadow: var(--shadow-sm);
}
.seo-card h3 { margin: 0 0 8px; font-size: 1.1rem; font-weight: 800; color: var(--text-primary); }
.seo-card p, .seo-card address { margin: 0 0 6px; color: var(--text-secondary); font-size: 0.95rem; line-height: 1.55; font-style: normal; }
.seo-card a.seo-more { color: var(--upc-blue); font-weight: 700; text-decoration: none; }
.seo-card a.seo-more:hover { text-decoration: underline; }
.seo-card img { width: 100%; height: 170px; object-fit: cover; border-radius: 12px; margin-bottom: 14px; display: block; }

.seo-facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr));
  gap: 14px;
  margin: 8px 0 8px;
}
.seo-fact {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 16px 18px;
}
.seo-fact span { display: block; font-size: 0.75rem; text-transform: uppercase; letter-spacing: .06em; color: var(--text-muted); font-weight: 700; }
.seo-fact strong { display: block; margin-top: 4px; font-size: 1.35rem; font-weight: 800; color: var(--text-primary); }

.seo-callout {
  background: var(--badge-bg);
  border: 1px solid var(--border-focus);
  border-radius: 14px;
  padding: 16px 20px;
  color: var(--text-primary);
  line-height: 1.6;
  max-width: 820px;
}

.seo-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
.seo-actions .btn { width: auto; }

.seo-links {
  list-style: none; margin: 0; padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr));
  gap: 6px 22px;
}
.seo-links a {
  display: block;
  padding: 8px 0;
  color: var(--upc-blue);
  text-decoration: none;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.95rem;
}
.seo-links a:hover { text-decoration: underline; }
.seo-links small { color: var(--text-muted); }

.seo-faq details {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 14px 18px;
  margin-bottom: 10px;
}
.seo-faq summary { cursor: pointer; font-weight: 700; color: var(--text-primary); }
.seo-faq details p { margin: 10px 0 0; color: var(--text-secondary); line-height: 1.65; }

.seo-alpha { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 24px; position: sticky; top: 76px; z-index: 5; padding: 8px 0; background: var(--bg-primary); }
.seo-alpha a {
  min-width: 34px; text-align: center; padding: 6px 8px; border-radius: 8px;
  background: var(--bg-secondary); border: 1px solid var(--border-subtle);
  color: var(--upc-blue); font-weight: 700; text-decoration: none; font-size: .9rem;
}
.seo-filter {
  width: 100%; max-width: 520px; padding: 14px 18px; font-size: 1rem;
  border-radius: 12px; border: 1.5px solid var(--border-subtle);
  background: var(--bg-secondary); color: var(--text-primary); margin: 0 0 18px;
}
.seo-filter:focus { outline: none; border-color: var(--border-focus); }

.seo-home-links { padding: 72px 0; background: var(--bg-primary); }
.seo-home-links .seo-h2 { margin-bottom: 18px; }
.seo-home-links .seo-section { margin-top: 32px; }

@media (max-width: 768px) {
  .seo-main { padding: 96px 0 56px; }
  .seo-alpha { top: 68px; }
}

/* Boton secundario legible sobre fondo claro y oscuro */
.btn.seo-btn-outline {
  background: transparent;
  color: var(--upc-blue) !important;
  border: 2px solid var(--upc-blue);
  box-shadow: none;
  font-weight: 700;
}
.btn.seo-btn-outline:hover { background: var(--badge-bg); }
[data-theme="dark"] .btn.seo-btn-outline { color: var(--upc-turquoise) !important; border-color: var(--upc-turquoise); }