/**
 * nav.css — Header/nav/footer. Mismo comportamiento que juridica/cerebro
 * (fixed, blur al hacer scroll, CTA que nunca desaparece en mobile), pero
 * con el vidrio translúcido invertido a blanco para la base clara de Neural.
 * El chrome vive en partials/header.php y partials/footer.php — la MISMA
 * estructura HTML en todas las páginas, así el nav nunca puede divergir.
 */

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border-bottom: 1px solid var(--border);
}

.site-nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  width: 100%;
}

.logo {
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-decoration: none;
  min-width: max-content;
}

.logo-row { display: flex; align-items: baseline; gap: 0.6rem; }

.logo-mark {
  color: var(--text);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.logo-sub {
  color: var(--text-3);
  font-size: 0.68rem;
}

.nav-links {
  display: none;
  align-items: center;
  gap: 2.2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--text-2);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  transition: color var(--dur-base);
}

.nav-links a:hover,
.nav-links a.active { color: var(--accent); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  flex-shrink: 0;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  background: transparent;
  border: 1px solid var(--border-md);
  border-radius: 4px;
  cursor: pointer;
}

.nav-toggle-bar {
  width: 15px;
  height: 1.5px;
  background: var(--text);
  transition: transform var(--dur-base), opacity var(--dur-base);
}

.nav-mobile {
  position: fixed;
  inset: 0;
  z-index: 600;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1.6rem;
  padding: 2rem;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(22px) saturate(140%);
  -webkit-backdrop-filter: blur(22px) saturate(140%);
}

/* El atributo `hidden` tiene que ganarle a `display:flex` de arriba —
   mismo bug real documentado en juridica/assets/css/nav.css. */
.nav-mobile[hidden] { display: none; }

.nav-mobile a {
  color: var(--text);
  font-size: 1.3rem;
  font-weight: 400;
  text-decoration: none;
}

.nav-mobile a.active { color: var(--accent); }

.nav-mobile-close {
  position: absolute;
  top: 1.6rem;
  right: 1.6rem;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--border-md);
  border-radius: 4px;
  color: var(--text);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  transition: border-color var(--dur-base), color var(--dur-base);
}

.nav-mobile-close:hover { border-color: var(--accent-line); color: var(--accent); }

/* Mobile: el botón CTA del header se oculta — dominaba el ancho y tapaba
   el toggle. El CTA sigue disponible dentro de .nav-mobile. */
.nav-actions .btn-primary { display: none; }

@media (min-width: 861px) {
  .nav-links { display: flex; }
  .nav-actions .btn-primary { display: inline-flex; }
  .nav-toggle, .nav-mobile { display: none; }
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 2.6rem 0;
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-footer-brand {
  color: var(--text-3);
  font-size: 0.82rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.6rem;
}

.footer-links a {
  color: var(--text-3);
  font-size: 0.78rem;
  text-decoration: none;
  transition: color var(--dur-base);
}

.footer-links a:hover { color: var(--accent); }

@media (max-width: 560px) {
  .site-footer .wrap { flex-direction: column; align-items: flex-start; }
}