/* ==============================================================
   3. NAVEGACIÓN
   ============================================================== */
.navbar-default {
  background: #033560; /* AZUL OSCURO SÓLIDO SOLICITADO */
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  border: none;
  margin-bottom: 0px !important;
}

/* BASE Y TABLET: Logos arriba, Menú abajo */
.nav-custom-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  padding-top: 15px;
}
.nav-custom-header {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}
.custom-logo-wrapper {
  max-width: none !important;
  float: none !important;
  display: flex !important;
  align-items: center;
  justify-content: center;
  height: auto !important;
}
.custom-logo-wrapper a {
  display: flex;
  align-items: center;
}
.nav-logo {
  margin: 0 20px;
  height: auto;
}
.logo-nextgen {
  width: 120px !important;
}
.logo-sshop {
  width: 100px !important;
}
.logo-separator {
  width: 1px;
  height: 45px;
  background-color: #ffffff;
  margin: 0 5px;
  opacity: 0.6;
}
.nav-custom-collapse {
  width: 100%;
  text-align: center;
  border-top: none !important;
  box-shadow: none !important;
}
.nav-custom-ul {
  float: none !important;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  margin: 0 auto !important;
  padding-bottom: 10px;
}
.nav-custom-ul > li {
  float: none !important;
  display: inline-block;
}
.navbar-default .navbar-nav li a {
  color: #ffffff !important;
  font-size: 15px;
  font-weight: 400;
  text-transform: uppercase;
  transition: all 0.3s ease-in-out;
  padding-right: 15px; 
  padding-left: 15px;  
  margin-top: 8px;
}
.navbar-default .navbar-nav li a span {
  position: relative;
  display: block;
  padding-bottom: 2px;
}
.navbar-default .navbar-nav li a span:before {
  content: "";
  position: absolute;
  width: 100%;
  height: 2px;
  bottom: 0;
  left: 0;
  background-color: #7EA8D9;
  visibility: hidden;
  transform: scaleX(0);
  transition: all 0.3s ease-in-out 0s;
}
.navbar-default .navbar-nav li a:hover span:before, .navbar-default .navbar-nav li.active a span:before {
  visibility: visible;
  transform: scaleX(1);
}
.navbar-default .navbar-nav > li > a:hover, .navbar-default .navbar-nav > li > a:focus, .navbar-default .navbar-nav > .active > a {
  color: #7EA8D9 !important;
  background-color: transparent !important;
}

/* Botón Hamburguesa (Base) */
.navbar-default .navbar-toggle {
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  margin-top: 0 !important;
  z-index: 10;
  border: none;
}
.navbar-default .navbar-toggle .icon-bar {
  background-color: #ffffff; /* COLOR BLANCO SOLICITADO PARA LAS RAYITAS */
}
.navbar-default .navbar-toggle:hover, .navbar-default .navbar-toggle:focus {
  background-color: transparent;
}

/* ==============================================================
   MEDIA QUERIES (Ordenados para correcta cascada CSS)
   ============================================================== */

/* 1. ESCRITORIO GRANDE: Bloque unificado y centrado (Desde 1221px) */
@media (min-width: 1221px) {
  .nav-custom-container {
    flex-direction: row; 
    justify-content: center; 
    padding-top: 0;
    min-height: 75px;
  }
  .nav-custom-header {
    width: auto; 
    margin-right: 30px; 
  }
  .nav-custom-collapse {
    width: auto; 
    display: flex !important;
    align-items: center;
  }
  .nav-custom-ul {
    padding-bottom: 0;
    margin-top: 5px !important;
  }
}

/* 2. LAPTOS PEQUEÑAS / TABLETS LANDSCAPE (Desde 819px hasta 1220px) */
@media (min-width: 819px) and (max-width: 1220px) {
  .nav-custom-ul li a {
    padding-right: 12px !important;
    padding-left: 12px !important;
    font-size: 14px !important;
  }
}

/* 3. MÓVIL Y TABLET VERTICAL: Menú Hamburguesa activado (Hasta 818px) */
@media (max-width: 818px) {
  .nav-custom-container { padding-top: 0; }
  .nav-custom-header { height: 80px; }
  .nav-logo { margin: 0 10px; }
  .logo-nextgen { width: 110px !important; }
  .logo-sshop { width: 90px !important; }
  .logo-separator { height: 35px; }
  
  /* --- FORZAR COMPORTAMIENTO MÓVIL DE BOOTSTRAP --- */
  .navbar-header { float: none !important; }
  .navbar-toggle { display: block !important; } 
  
  /* Expansión completa sin límite de scroll interno */
  .navbar-collapse.collapse { display: none !important; }
  .navbar-collapse.collapse.in { 
    display: block !important; 
    overflow-y: auto !important; 
    max-height: calc(100vh - 80px) !important; 
    border-bottom: 2px solid #7EA8D9; 
    background-color: #033560; /* Fondo azul para el despliegue */
  }
  
  .nav-custom-ul {
    flex-direction: column;
    align-items: center;
    padding-bottom: 0;
    margin-top: 0 !important;
  }
  .nav-custom-ul > li {
    width: 100%;
    float: none !important;
  }
  .navbar-default .navbar-nav li.active a {
    color: #7EA8D9 !important;
  }
}

/* 4. PANTALLAS CELULARES: Empuja la hamburguesa a la orilla (Hasta 480px) */
@media (max-width: 480px) {
  .logo-nextgen { width: 90px !important; }
  .logo-sshop { width: 75px !important; }
  .nav-logo { margin: 0 5px; }
  .logo-separator { height: 30px; }
  .navbar-default .navbar-toggle {
    right: 2px !important; 
    padding: 9px 8px !important; 
  }
}