/* ==========================================================================
   MENÚ OVERLAY FULLSCREEN + SUBMENÚS (CSS DEDICADO)
   ========================================================================== */

:root {
  /* --- Variables para enlaces de primer nivel --- */
  --nav-primario-font: 'Lato', sans-serif;
  --nav-primario-size: clamp(3rem, 6vw, 5rem);
  --nav-li-font-size: clamp(3rem, 6vw, 5rem)!important;
  --nav-primario-weight: 700;
  --nav-primario-letter-spacing: 5px;
  --nav-primario-stroke-color: #fff;
  --nav-primario-stroke-width: 1.5px;
  --nav-primario-fill-color: #ffffff;
  --nav-primario-fill-speed: 0.8s;
  --nav-primario-gap: 2vh;
  
  /* --- Variables para submenús (enlaces secundarios) --- */
  --submenu-font: 'Inter', sans-serif;
  --submenu-size: clamp(1.2rem, 2.5vw, 1.8rem);
  --submenu-weight: 300;
  --submenu-color: rgba(255, 255, 255, 0.6);
  --submenu-hover-color: #fff;
  --submenu-indent: 1.5rem;
  --submenu-transition: 0.3s;
  
  /* --- Fondo del offcanvas --- */
  --offcanvas-bg: #050505;
  --offcanvas-transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-link {
    font-size: var(--nav-li-font-size) !important;
}

#header {
    z-index: 9999 !important;
}
/* ==========================================================================
   1. OFFCANVAS FULLSCREEN (SOBRESCRITURA BOOTSTRAP)
   ========================================================================== */
.offcanvas.menu-overlay-fullscreen {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  width: 100vw !important;
  height: 100vh !important;
  min-height: 100dvh !important;
  max-width: 100vw !important;
  max-height: 100dvh !important;
  margin: 0 !important;
  padding: 0 !important;
  border: none !important;
  background-color: var(--offcanvas-bg) !important;
  transform: none !important;
  visibility: hidden !important;
  opacity: 0 !important;
  pointer-events: none !important;
  transition: var(--offcanvas-transition) !important;
  z-index: 9000 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  overflow: hidden !important;
}

.offcanvas.menu-overlay-fullscreen.show {
  visibility: visible !important;
  opacity: 1 !important;
  pointer-events: auto !important;
}

.offcanvas.menu-overlay-fullscreen .offcanvas-body {
  padding: 0 !important;
  margin: 0 !important;
  position: relative !important;
  width: 100% !important;
  height: 100% !important;
  display: block !important;
  overflow-x: hidden !important;
  overflow-y: auto !important;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  touch-action: pan-y;
}

/* ==========================================================================
   2. IMÁGENES DE FONDO DEL MENÚ
   ========================================================================== */
.menu-bg-images {
  overflow: hidden;
  width: 50%;
  height: 60%;
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 1;
  pointer-events: none;
  transform: translate(-50%, -50%);
}

.menu-bg-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.6s ease-in-out, transform 3s ease-out;
  transform: scale(1.05);
}

.menu-bg-img.activa {
  opacity: 0.7;
  transform: scale(1);
}

/* ==========================================================================
   3. CONTENEDOR DE ENLACES Y LISTA PRINCIPAL
   ========================================================================== */
.menu-links-fullscreen {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  text-align: left;
  gap: var(--nav-primario-gap);
  padding-left: 5%;
}

/* Bootstrap navbar-nav adaptado */
.menu-links-fullscreen .navbar-nav {
  display: flex;
  flex-direction: column;
  gap: var(--nav-primario-gap);
  margin: 0;
  padding: 0;
  list-style: none;
}

/* ==========================================================================
   4. ENLACES DE PRIMER NIVEL (EFECTO STROKE → FILL)
   ========================================================================== */
.nav-enlace-fullscreen {
  position: relative;
  font-family: var(--nav-primario-font);
  text-transform: uppercase;
  color: transparent !important;
  -webkit-text-stroke: var(--nav-primario-stroke-width) var(--nav-primario-stroke-color);
  text-decoration: none;
  font-size: var(--nav-primario-size);
  font-weight: var(--nav-primario-weight);
  letter-spacing: var(--nav-primario-letter-spacing);
  line-height: 1.2;
  display: inline-block;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.5s ease, transform 0.5s ease;
  white-space: nowrap;
}

/* Capa de relleno animada */
.nav-enlace-fullscreen::before {
  content: attr(data-text);
  overflow: hidden;
  width: 0%;
  position: absolute;
  left: 0;
  top: 50%;
  z-index: 2;
  color: var(--nav-primario-fill-color);
  -webkit-text-stroke: 0;
  transform: translateY(-50%);
  transition: width var(--nav-primario-fill-speed) cubic-bezier(0.225, 1, 0.316, 0.99);
  white-space: nowrap;
  pointer-events: none; /* para no interferir con el clic */
}

.nav-enlace-fullscreen:hover::before {
  width: 100%;
}

/* Animación de entrada escalonada */
.offcanvas.menu-overlay-fullscreen.show .nav-enlace-fullscreen {
  opacity: 1;
  transform: translateY(0);
}

.offcanvas.menu-overlay-fullscreen.show .nav-item:nth-child(1) .nav-enlace-fullscreen { transition-delay: 0.2s; }
.offcanvas.menu-overlay-fullscreen.show .nav-item:nth-child(2) .nav-enlace-fullscreen { transition-delay: 0.3s; }
.offcanvas.menu-overlay-fullscreen.show .nav-item:nth-child(3) .nav-enlace-fullscreen { transition-delay: 0.4s; }
.offcanvas.menu-overlay-fullscreen.show .nav-item:nth-child(4) .nav-enlace-fullscreen { transition-delay: 0.5s; }
.offcanvas.menu-overlay-fullscreen.show .nav-item:nth-child(5) .nav-enlace-fullscreen { transition-delay: 0.6s; }

/* ==========================================================================
   5. SUBMENÚS (COLLAPSE + .submenu-list)
   ========================================================================== */
.menu-links-fullscreen .collapse {
  transition: height 0.35s ease;
}

.menu-links-fullscreen .submenu-list {
  list-style: none;
  margin: 0.5rem 0 0.5rem var(--submenu-indent);
  padding: 0 0 0 var(--submenu-indent);
  border-left: 1px solid rgba(255, 255, 255, 0.1);
}

.menu-links-fullscreen .submenu-link {
  font-family: var(--submenu-font);
  font-size: var(--submenu-size);
  font-weight: var(--submenu-weight);
  color: var(--submenu-color);
  text-decoration: none;
  display: inline-block;
  padding: 0.5rem 0;
  transition: color var(--submenu-transition), transform var(--submenu-transition), padding-left var(--submenu-transition);
  transform: translateX(0);
  white-space: nowrap;
}

.menu-links-fullscreen .submenu-link:hover {
  color: var(--submenu-hover-color);
  transform: translateX(10px);
}

/* 1. Estilos del pseudo-elemento ::after */
.menu-links-fullscreen .nav-enlace-fullscreen[data-bs-toggle="collapse"]::after {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-left: 0.75rem;
  vertical-align: 1px;
  /* Creamos la flecha con dos bordes finos */
  border-right: 1.5px solid var(--nav-primario-stroke-color);
  border-bottom: 1.5px solid var(--nav-primario-stroke-color);
  /* Rotamos para que apunte hacia abajo */
  transform: rotate(45deg);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s;
  opacity: 0.5;
}

/* 2. Estado de apertura (Animación) */
/* Bootstrap cambia el atributo aria-expanded cuando se abre el colapsable */
.menu-links-fullscreen .nav-enlace-fullscreen[aria-expanded="true"]::after {
  transform: rotate(-135deg); /* Gira elegantemente hacia arriba */
  opacity: 1;
}
.menu-links-fullscreen .nav-item .collapse.show + .nav-enlace-fullscreen[data-bs-toggle="collapse"]::after,
.menu-links-fullscreen .nav-item .nav-enlace-fullscreen[aria-expanded="true"]::after {
  transform: rotate(180deg);
}

/* ==========================================================================
   6. RESPONSIVE (MÓVIL)
   ========================================================================== */
@media (max-width: 768px) {
  .offcanvas.menu-overlay-fullscreen {
    height: 100dvh !important;
  }

  .nav-enlace-fullscreen {
    white-space: normal;
    font-size: clamp(2.5rem, 8vw, 4rem);
  }
  
  .menu-links-fullscreen {
    left: 0;
    top: 0;
    min-height: 100%;
    justify-content: center;
    transform: none;
    padding: max(5.5rem, env(safe-area-inset-top)) 10% max(2rem, env(safe-area-inset-bottom));
    width: 100%;
  }
  
  .menu-bg-images {
    width: 80%;
    height: 50%;
  }
  
  .menu-links-fullscreen .submenu-link {
    white-space: normal;
    font-size: clamp(1rem, 5vw, 1.5rem);
  }
  
  .menu-links-fullscreen .submenu-list {
    margin-left: 1rem;
    padding-left: 1rem;
  }
}