/* --- Helper para bloquear el scroll del body --- */
body.nav-menu-is-open {
  overflow: hidden;
}

/* --- Estructura Base del Contenedor --- */
body .nav-menu-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  position: relative;
}

/* --- Menú Fijo (Sticky) --- */
body .nav-menu-container.fixed-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
}

/* --- Lista de Enlaces (Desktop) --- */
body .nav-links {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 20px;
}

body .nav-links a {
  text-decoration: none;
}

/* --- CORRECCIÓN: z-index aumentado para el botón principal --- */
body .nav-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1012;
  /* Aumentado para estar sobre el overlay */
}

body .nav-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: #FFF;
  margin: 5px 0;
  transition: all 0.3s ease-in-out;
}

body .nav-toggle.is-active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

body .nav-toggle.is-active span:nth-child(2) {
  opacity: 0;
}

body .nav-toggle.is-active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Botón de Cierre (Oculto por defecto) */
body .nav-close {
  display: none;
}

/* --- Media Query para Vista Móvil y Overlay --- */
@media (max-width: 767px) {

  body .nav-toggle {
    display: block;
  }

  body .nav-links {
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.4s ease, visibility 0s linear 0.4s;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 1010;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    background-color: rgba(10, 10, 10, 0.95);
  }

  body .nav-links.is-active {
    visibility: visible;
    opacity: 1;
    transition-delay: 0s;
  }

  body .nav-links.is-active a {
    color: white;
    font-size: 1.8rem;
  }

  body .nav-links.is-active .nav-close {
    display: block;
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    background: none;
    border: none;
    color: white;
    font-size: 2.5rem;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
    z-index: 1011;
  }
}