.wrapper-parallax {
    box-shadow: 0 0 12px rgba(0, 0, 0, 0.8);
    margin: 0 auto;
    max-width: 1440px;
    width: 100% !important;
}
.parallax-js {
  height: 1500px;
  width: 100%;
  position: relative;
  overflow: hidden;
  background-size: cover;
  background-position: center 0;
  display: flex;
  justify-content: center;
  align-items: center;
}
@media (max-width: 768px) {
  .parallax-js {
    height: 750px;
  }
}
.parallax-link {
  background: rgba(0,0,0,0.55);
  color: #fff;
  padding: 16px 32px;
  border-radius: 8px;
  text-decoration: none;
  font-size: 1.35em;
  font-family: inherit;
  transition: background 0.3s;
}
.parallax-link:hover {
  background: rgba(30, 60, 150, 0.85);
}

/* Opcional: estilos de las secciones #contenidoX */
section[id^="contenido"] {
  padding: 120px 8vw;
  background: #f8f8f8;
  min-height: 320px;
}