/* =========================================================
   CABECERA GLOBAL (HEADER)
   Estructura general, posición fija y contenedor
   ========================================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--color-header-bg);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(14px);
}

.site-header .site-header__inner {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
  justify-content: space-between;
  width: min(var(--max-page), calc(100% - 2rem));
  margin-inline: auto;
  padding-block: var(--space-3);
}

/* =========================================================
   Marca y Logotipo
   ========================================================= */

.site-header .site-brand {
  display: inline-flex;
  align-items: center;
  min-height: 2.5rem;
  font-size: var(--text-lg);
  font-weight: 900;
  line-height: 1;
  text-decoration: none;
}

.site-header .site-brand img {
  display: block;
  width: auto;
  height: 2.5rem;
  max-width: 100%;
  margin-inline: auto;
  aspect-ratio: auto;
  object-fit: contain;
  border-radius: var(--radius-sm);
  transition: transform 200ms ease;
}

.site-header .site-brand:hover img {
  transform: scale(1.05);
}

/* =========================================================
   Navegación Principal
   ========================================================= */

.site-header .site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2, 0.5rem);
  align-items: center;
  justify-content: flex-end;
  padding: 0;
  margin: 0;
  list-style: none;
}

.site-header .site-nav > a {
  display: inline-flex;
  align-items: center;
  min-height: 2.25rem;
  padding: 0.4rem 0.85rem;
  color: var(--color-text-muted);
  font-size: var(--text-sm, 0.92rem);
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  border-radius: var(--radius-sm, 6px);
  transition:
    color 200ms ease,
    background-color 200ms ease,
    border-color 200ms ease;
}

.site-header .site-nav > a:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
}

.site-header .site-nav > a:hover {
  color: var(--color-brand-primary);
  background: var(--color-bg-soft);
  text-decoration: none;
}

.site-header .site-nav > a[aria-current="page"] {
  color: var(--color-brand-primary);
  font-weight: 700;
  background: var(--color-brand-primary-soft, #e6f7f2);
  text-decoration: none;
}

/* =========================================================
   Acceso y Badge del Carrito
   ========================================================= */

.site-header .nav-cart-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 2.25rem;
  padding: 0.4rem 0.85rem;
  color: var(--color-text-muted);
  font-size: var(--text-sm, 0.92rem);
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  border-radius: var(--radius-sm, 6px);
  transition:
    color 200ms ease,
    background-color 200ms ease,
    border-color 200ms ease;
}

.site-header .nav-cart-btn:hover {
  color: var(--color-brand-primary);
  background: var(--color-bg-soft);
  text-decoration: none;
}

.site-header .nav-cart-btn.active {
  color: var(--color-brand-primary);
  font-weight: 700;
  background: var(--color-brand-primary-soft, #e6f7f2);
}

.site-header .nav-cart-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.15rem;
  height: 1.15rem;
  padding: 0 0.35rem;
  font-size: 0.72rem;
  font-weight: 800;
  line-height: 1;
  color: #ffffff;
  background: var(--color-brand-primary);
  border-radius: 9999px;
  animation: pulse-badge 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* =========================================================
   Selector de Idioma
   ========================================================= */

.site-header .lang-selector-nav {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.55rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm, 6px);
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1;
}

.site-header .lang-btn {
  padding: 0.2rem 0.4rem;
  color: var(--color-text-muted);
  text-decoration: none;
  border-radius: 4px;
  transition:
    color var(--transition-fast),
    background-color var(--transition-fast);
}

.site-header .lang-btn:hover {
  color: var(--color-brand-primary);
  text-decoration: none;
}

.site-header .lang-btn.is-active {
  color: var(--color-brand-primary);
  font-weight: 700;
  background: var(--color-brand-primary-soft, #e6f7f2);
}

.site-header .lang-divider {
  color: var(--color-border-strong);
  font-size: 0.75rem;
}

/* =========================================================
   Botón de Cambio de Tema (Modo Claro / Oscuro)
   ========================================================= */

.site-header .btn-theme-toggle {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 2.35rem !important;
  height: 2.35rem !important;
  min-width: 2.35rem !important;
  min-height: 2.35rem !important;
  max-width: 2.35rem !important;
  max-height: 2.35rem !important;
  aspect-ratio: 1 / 1 !important;
  padding: 0 !important;
  margin-left: var(--space-4);
  margin-inline-start: var(--space-4);
  border-radius: 50% !important;
  box-sizing: border-box !important;
}

/* =========================================================
   Menú Desplegable de Usuario y Sesión
   ========================================================= */

.site-header .user-nav-dropdown {
  position: relative;
  display: inline-flex;
  align-items: center;
  margin-left: var(--space-2, 0.5rem);
}

.site-header .user-nav-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  min-height: 2.25rem;
  padding: 0.25rem 0.6rem 0.25rem 0.75rem;
  color: var(--color-text, #1a202c);
  text-decoration: none;
  cursor: pointer;
  background: var(--color-brand-accent-soft, #e6f4f1);
  border: 1px solid var(--color-border, #cbd5e0);
  border-radius: 9999px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
  transition:
    border-color 0.15s ease,
    background-color 0.15s ease,
    box-shadow 0.15s ease;
}

.site-header .user-nav-name {
  color: var(--color-text, #1a202c);
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1;
}

.site-header .user-nav-avatar,
.site-header .user-nav-trigger img,
.site-header img.user-nav-avatar {
  display: block;
  flex-shrink: 0;
  width: 26px;
  min-width: 26px;
  max-width: 26px;
  height: 26px;
  min-height: 26px;
  max-height: 26px;
  margin: 0 0 0 0.15rem;
  object-fit: cover;
  background-color: #f1f5f9;
  border: 1px solid var(--color-border, #cbd5e0);
  border-radius: 50%;
}

.site-header .user-nav-caret {
  margin-left: -0.15rem;
  font-size: 0.65rem;
  line-height: 1;
  opacity: 0.65;
}

.site-header .site-nav .user-dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  z-index: 1000;
  box-sizing: border-box;
  display: none;
  min-width: 200px;
  padding: 0.4rem 0;
  margin-top: 4px;
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md, 8px);
  box-shadow: var(--shadow-md);
}

.site-header .site-nav .user-dropdown-menu::before {
  position: absolute;
  top: -8px;
  right: 0;
  left: 0;
  height: 8px;
  content: "";
}

.site-header .user-nav-dropdown:hover .user-dropdown-menu,
.site-header .user-nav-dropdown:focus-within .user-dropdown-menu {
  display: flex;
  flex-direction: column;
}

.site-header .user-dropdown-divider {
  width: 100%;
  margin: 0.3rem 0;
  border: 0;
  border-top: 1px solid var(--color-border, #e2e8f0);
}

.site-header .site-nav .user-dropdown-item {
  box-sizing: border-box;
  display: block;
  width: 100%;
  min-height: auto;
  height: auto;
  padding: 0.55rem 1rem;
  color: var(--color-text, #2d3748);
  font-size: 0.88rem;
  line-height: 1.4;
  text-align: left;
  text-decoration: none;
  white-space: normal;
  background: transparent;
  border-radius: 0;
  transition:
    background-color 0.15s ease,
    color 0.15s ease;
}

.site-header .site-nav .user-dropdown-item:hover,
.site-header .site-nav .user-dropdown-item:focus,
.site-header .site-nav .user-dropdown-item:focus-visible {
  color: var(--color-brand-primary, #157156);
  background-color: var(--color-brand-accent-soft, #edf2f7);
}

.site-header .site-nav .user-dropdown-item.active {
  color: var(--color-brand-primary);
  font-weight: 600;
  background-color: var(--color-brand-primary-soft);
}

.site-header .site-nav .user-dropdown-item--logout {
  color: var(--color-danger);
}

.site-header .site-nav .user-dropdown-item--logout:hover,
.site-header .site-nav .user-dropdown-item--logout:focus,
.site-header .site-nav .user-dropdown-item--logout:focus-visible {
  color: var(--color-danger);
  background-color: var(--color-danger-bg);
}

@keyframes pulse-badge {
  0% {
    opacity: 0;
    transform: scale(0.6);
  }

  100% {
    opacity: 1;
    transform: scale(1);
  }
}

/* Adaptabilidad Responsive y Accesibilidad del Header */

@media (width <=720px) {
  .site-header .site-header__inner {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: stretch;
  }

  .site-header .site-nav {
    justify-content: flex-start;
  }
}

@media (width <=420px) {
  .site-header .site-brand img {
    height: 2.1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header .site-brand img,
  .site-header .site-nav > a,
  .site-header .nav-cart-btn,
  .site-header .nav-cart-badge,
  .site-header .user-nav-trigger,
  .site-header .site-nav .user-dropdown-item {
    transition-duration: 1ms;
    animation-duration: 1ms;
  }
}

/* =========================================================
   PIE DE PÁGINA GLOBAL (FOOTER)
   Estructura general, grid de navegación y enlaces legales
   ========================================================= */

.site-footer {
  padding: var(--space-6) clamp(var(--space-4), 4vw, var(--space-8));
  color: var(--color-text-muted);
  background: var(--color-surface-elevated);
  border-top: 1px solid var(--color-border);
}

.site-footer p {
  margin: 0;
}

.site-footer .site-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-5);
  max-width: 1200px;
  padding-bottom: var(--space-5);
  margin: 0 auto;
  border-bottom: 1px solid var(--color-border);
}

.site-footer .site-footer__brand-title {
  margin: 0 0 var(--space-2) 0;
  color: var(--color-heading);
  font-size: var(--text-lg);
  font-weight: 700;
}

.site-footer .site-footer__brand-desc {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.6;
}

.site-footer .site-footer__section-title {
  margin: 0 0 var(--space-2) 0;
  color: var(--color-heading);
  font-size: var(--text-base);
  font-weight: 600;
}

.site-footer .site-footer__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: 0;
  margin: 0;
  font-size: var(--text-sm);
  list-style: none;
}

.site-footer .site-footer__list a {
  color: inherit;
  text-decoration: none;
}

.site-footer .site-footer__list a:hover,
.site-footer .site-footer__list a:focus-visible {
  color: var(--color-brand-primary);
  text-decoration: underline;
}

.site-footer .site-footer__company-info {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.6;
}

.site-footer .site-footer__company-info p {
  margin: 0 0 var(--space-1) 0;
}

/* =========================================================
   Créditos Institucionales y Pie Inferior
   ========================================================= */

.site-footer .site-footer__bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  max-width: 1200px;
  margin: var(--space-4) auto 0 auto;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  text-align: center;
}

.site-footer .site-footer__powered {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}

.site-footer .site-footer__powered-link {
  color: var(--color-brand-primary);
  font-weight: 600;
  text-decoration: none;
}

.site-footer .site-footer__powered-link:hover,
.site-footer .site-footer__powered-link:focus-visible {
  text-decoration: underline;
}

/* =========================================================
   Adaptabilidad Responsive e Impresión del Footer
   ========================================================= */

@media (max-width: 700px) {
  .site-footer .site-footer__grid {
    grid-template-columns: 1fr;
  }
}

.auth-page .site-footer {
  flex: 0 0 auto;
  margin-top: 0;
}

@media print {
  .site-header,
  .site-footer {
    display: none !important;
  }
}