/* =============================================================================
   Header — Top bar burgundy + nav blanca
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: var(--color-footer);
}

/* === Estado overlay (solo home) ===
   Header fijado en top:0 superpuesto al hero. Top bar mantiene su burgundy;
   la nav blanca se vuelve transparente con texto blanco hasta que el usuario
   scrollea unos píxeles, momento en el que recupera el aspecto sólido. */

.has-overlay-header .site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 1000;
  background: transparent;
}

.has-overlay-header .site-nav {
  background: transparent;
  border-bottom: 0;
  box-shadow: none;
  transition: background-color var(--t-base), border-color var(--t-base),
              box-shadow var(--t-base);
}

.has-overlay-header .site-nav__brand,
.has-overlay-header .menu-primary a,
.has-overlay-header .nav-toggle {
  color: #fff;
  transition: color var(--t-base);
}

.has-overlay-header .menu-primary a::after { background: #fff; }

/* En overlay (no scrolled), el item activo se ve en blanco con subrayado.
   Necesitamos mayor especificidad porque la regla genérica de current pone burgundy. */
.has-overlay-header:not(.is-scrolled) .menu-primary .current-menu-item > a,
.has-overlay-header:not(.is-scrolled) .menu-primary .current_page_item > a,
.has-overlay-header:not(.is-scrolled) .menu-primary .current-menu-ancestor > a {
  color: #fff;
}

.has-overlay-header.is-scrolled .site-nav {
  background: var(--color-footer);
  border-bottom: 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.has-overlay-header.is-scrolled .site-nav__brand,
.has-overlay-header.is-scrolled .menu-primary a,
.has-overlay-header.is-scrolled .nav-toggle {
  color: #fff;
}

.has-overlay-header.is-scrolled .menu-primary a:hover,
.has-overlay-header.is-scrolled .menu-primary .current-menu-item > a,
.has-overlay-header.is-scrolled .menu-primary .current_page_item > a {
  color: #fff;
}

.has-overlay-header.is-scrolled .menu-primary a::after {
  background: #fff;
}

/* Menú móvil abierto: siempre fondo blanco con enlaces oscuros, sin importar el estado del header */
.menu-primary.is-open a { color: var(--color-text); }
.menu-primary.is-open .current-menu-item > a,
.menu-primary.is-open .current_page_item > a { color: var(--color-burgundy); }

/* === Top bar burgundy === */
.top-bar {
  /* Rojo de marca #CD1C3F por decisión del cliente (jun 2026). Contraste con blanco 3.56:1
     (AA normal exige 4.5:1) — los textos de la top bar son de apoyo (idioma, intranet, buscador). */
  background: var(--color-burgundy);
  color: #fff;
  font-size: var(--fs-p-s);
}

.top-bar__inner {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-5);
  min-height: 2.75rem;
  padding-block: 0.5rem;
}

.top-bar__search-toggle {
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  transition: background-color var(--t-fast);
}
.top-bar__search-toggle:hover { background: rgba(255, 255, 255, 0.15); }
.top-bar__search-toggle svg { width: 1rem; height: 1rem; }

.top-bar__lang {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  color: #fff;
  font-weight: var(--fw-medium);
  letter-spacing: 0.02em;
}
.top-bar__lang a {
  opacity: 0.7;
  transition: opacity var(--t-fast);
}
.top-bar__lang a:hover,
.top-bar__lang a.is-active {
  opacity: 1;
  color: #fff;
}
.top-bar__lang-sep { opacity: 0.5; }

.top-bar__intranet {
  /* Reutiliza .btn .btn--outline-light .btn--sm */
}

/* === Nav burgundy === */
.site-nav {
  background: transparent;
  border-bottom: 0;
}

.site-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  min-height: 4.5rem;
  padding-block: 1rem;
}

.site-nav__brand {
  display: inline-flex;
  align-items: center;
  color: #fff;
}
.site-nav__brand svg {
  height: 28px;
  width: auto;
  display: block;
}
.site-nav__brand:hover { opacity: 0.85; }

/* Menú principal */
.menu-primary {
  display: none;
}

.menu-primary ul {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.menu-primary a {
  position: relative;
  color: #fff;
  font-weight: var(--fw-medium);
  font-size: var(--fs-p-m);
  padding-block: 0.5rem;
  transition: color var(--t-fast);
}
.menu-primary a:hover,
.menu-primary .current-menu-item > a,
.menu-primary .current_page_item > a {
  color: #fff;
}
.menu-primary a::after {
  content: '';
  position: absolute;
  inset-inline: 0;
  bottom: -2px;
  height: 2px;
  background: #fff;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-base);
}
.menu-primary a:hover::after,
.menu-primary .current-menu-item > a::after,
.menu-primary .current_page_item > a::after { transform: scaleX(1); }

/* Toggle mobile */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  color: #fff;
}
.nav-toggle svg { width: 1.5rem; height: 1.5rem; }

/* Mobile menu (overlay) */
.menu-primary.is-open {
  display: block;
  position: fixed;
  inset: 0;
  background: #fff;
  padding: 6rem var(--container-pad) var(--container-pad);
  z-index: calc(var(--z-header) + 1);
  overflow-y: auto;
}
.menu-primary.is-open ul {
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4);
}
.menu-primary.is-open a {
  font-size: var(--fs-h-s);
}

/* Desktop */
@media (min-width: 1024px) {
  .menu-primary { display: block; }
  .nav-toggle { display: none; }
  .site-nav__brand svg { height: 35px; }
}

/* Tablet: top bar mantiene padding correcto */
@media (max-width: 639px) {
  .top-bar__inner { gap: var(--space-3); }
  .top-bar__lang { font-size: var(--fs-p-t); }
}