/* ============================================================
   NAV — Tu Cajita
   Navegación principal: mega-menú en desktop,
   hamburguesa + acordeón en móvil.
   ============================================================ */

/* --- Contenedor del nav --- */

.site-nav {
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border);
}

.nav-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
}

/* --- Hamburguesa (oculto en desktop) --- */

.hamburger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  color: var(--color-text);
  background: none;
  border: none;
  cursor: pointer;
  position: absolute;
  left: 0;
  transition: background-color var(--transition-fast),
              color var(--transition-fast);
}

.hamburger:hover {
  background-color: var(--color-accent-subtle);
  color: var(--color-accent);
}

/* Swap de iconos hamburguesa ↔ cerrar */
.hamburger .icon-close { display: none; }
.hamburger.active .icon-menu  { display: none; }
.hamburger.active .icon-close { display: flex; }

/* --- Lista de navegación (desktop: horizontal) --- */

.nav-list {
  display: flex;
  align-items: stretch;
  gap: 0;
  flex-wrap: nowrap;
  justify-content: center;
}

/* --- Nav item --- */

.nav-item {
  position: relative;
}

/* Puente invisible entre nav-link y mega-menu (evita que
   el cursor pierda el hover al cruzar el hueco) */
.nav-item.has-submenu::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: -10px;
  right: -10px;
  height: 8px;
  z-index: 1;
}

/* --- Wrapper link + toggle (en desktop el toggle está oculto) --- */

.nav-link-wrapper {
  display: flex;
  align-items: center;
  height: 100%;
}

/* --- Enlace del nav --- */

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-3) var(--space-2);
  font-size: 0.65rem;
  font-weight: var(--font-weight-semi);
  letter-spacing: 0.08em;
  color: var(--color-text);
  white-space: nowrap;
  transition: color var(--transition-fast);
  text-transform: uppercase;
  text-decoration: none;
  line-height: 1;
}

.nav-link:hover,
.nav-item:hover > .nav-link-wrapper > .nav-link,
.nav-item.menu-open > .nav-link-wrapper > .nav-link {
  color: var(--color-accent);
}

/* Chevron dentro del nav-link (desktop) */
.nav-chevron {
  transition: transform var(--transition-base);
  color: var(--color-text-light);
  flex-shrink: 0;
}

.nav-item:hover .nav-chevron,
.nav-item.menu-open .nav-chevron {
  transform: rotate(180deg);
  color: var(--color-accent);
}

/* --- Botón de toggle submenu (solo visible en móvil) --- */

.submenu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-light);
  border-radius: var(--radius-full);
  margin-right: var(--space-2);
  transition: color var(--transition-fast),
              background-color var(--transition-fast);
}

.submenu-toggle:hover {
  color: var(--color-accent);
  background-color: var(--color-accent-subtle);
}

.submenu-toggle svg {
  transition: transform var(--transition-base);
}

.nav-item.submenu-open > .nav-link-wrapper > .submenu-toggle svg {
  transform: rotate(180deg);
}

/* --- Mega-menu (desktop: dropdown absoluto) --- */

.mega-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  translate: -50% 0;
  min-width: 220px;
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  padding: var(--space-3);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-6px);
  transition: opacity var(--transition-base),
              transform var(--transition-base);
  z-index: var(--z-dropdown);
}

/* Flecha decorativa en el mega-menu */
.mega-menu::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 50%;
  translate: -50% 0;
  width: 11px;
  height: 11px;
  background-color: var(--color-white);
  border-left: 1px solid var(--color-border);
  border-top: 1px solid var(--color-border);
  transform: rotate(45deg);
}

/* Mostrar en hover o cuando JS añade .menu-open */
.nav-item:hover > .mega-menu,
.nav-item.menu-open > .mega-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

/* Links dentro del mega-menu */
.mega-menu ul {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.mega-menu a {
  display: block;
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  border-radius: var(--radius-md);
  white-space: nowrap;
  transition: background-color var(--transition-fast),
              color var(--transition-fast);
  text-decoration: none;
}

.mega-menu a:hover {
  background-color: var(--color-accent-subtle);
  color: var(--color-accent);
}

/* --- Ítem activo (marcado por nav.js según URL) --- */

.nav-link--active {
  color: var(--color-accent) !important;
}

.nav-link--active .nav-chevron {
  color: var(--color-accent);
}

.nav-item--active > .nav-link-wrapper > .nav-link {
  color: var(--color-accent);
}

/* ============================================================
   RESPONSIVE — móvil (max 1024px)
   ============================================================ */

@media (max-width: 1024px) {

  .hamburger {
    display: flex;
  }

  /* Panel desplegable */
  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    border-top: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-dropdown);
    max-height: calc(100dvh - 180px);
    overflow-y: auto;
    padding-bottom: var(--space-4);
  }

  .nav-list.nav-open {
    display: flex;
  }

  /* Separador entre items */
  .nav-item {
    border-bottom: 1px solid var(--color-border);
  }

  .nav-item:last-child {
    border-bottom: none;
  }

  /* Ocultar puente del hover en móvil */
  .nav-item.has-submenu::after {
    display: none;
  }

  .nav-link-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .nav-link {
    flex: 1;
    padding: var(--space-4) var(--space-5);
    font-size: var(--font-size-sm);
    letter-spacing: 0.06em;
    white-space: normal;
  }

  /* Ocultar chevron de desktop, mostrar toggle de móvil */
  .nav-chevron {
    display: none;
  }

  .submenu-toggle {
    display: flex;
  }

  /* Mega-menu → acordeón en móvil */
  .mega-menu {
    position: static;
    translate: none;
    transform: none !important;
    opacity: 1;
    pointer-events: auto;
    box-shadow: none;
    border: none;
    border-radius: 0;
    border-top: 1px solid var(--color-border);
    display: none;
    padding: var(--space-2) 0;
    background-color: var(--color-accent-subtle);
  }

  .mega-menu::before {
    display: none;
  }

  /* Mostrar acordeón cuando el item tiene .submenu-open */
  .nav-item.submenu-open > .mega-menu {
    display: block;
  }

  .mega-menu a {
    padding: var(--space-3) var(--space-8);
    border-radius: 0;
    font-size: var(--font-size-sm);
    color: var(--color-text);
  }

  .mega-menu a:hover {
    background-color: rgba(240, 125, 170, 0.12);
    color: var(--color-accent);
  }
}