.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  /* - */
  position: sticky;
  top: 0;
  z-index: 5;
  /* - */
  padding: .2rem;
  height: 10rem;
  background: linear-gradient(90deg, rgb(3, 58, 109, 0.800), rgba(14, 172, 177, 0.800));
}

.header:hover {
  background: linear-gradient(90deg, rgba(3, 58, 109), rgba(14, 172, 177));

}

.header__logo {
  position: relative;
  left: 1%;
  background-color: transparent;
  width: 7rem;
  height: 7rem;
}

/*-- menu de navegación Horizontal --*/
.header__nav-menu--h {
  width: auto;
  display: inline;
}

.header__nav-menu--h a {
  padding: 1.5rem;
  color: white;
  border-radius: 0.8rem;
}

.header__nav-menu--h a:hover {
  background-color: rgba(222, 249, 254, 0.204);
  text-decoration: underline;
  text-decoration-color: rgb(151, 248, 255);
  transition: 0.3S;
}

/*-- menu de navegación Vertical --*/

.header__nav-menu--v {
  display: none;
}

#js_menu_v_button {
  display: block;
  position: absolute;
  right: 1%;
  top: 2.8rem;
  width: 4rem;
  height: 4rem;
  padding: .4rem;
  /* - */
  border-radius: 25%;
  background-color: rgb(25, 35, 46, 0.845);
}

#js_menu_v_button:hover {
  background-color: rgba(222, 243, 254, 0.204);
  transition: 0.3S;
}

#js_menu_v_links {
  background-color: rgba(25, 35, 46, 0.322);
  position: absolute;
  top: 10rem;
  width: 100%;
  height: 100vh;
  left: -100%;
  text-align: left;
  transition: .3s;
}

.nav-v__list {
  height: 70vh;
  width: 100%;
  max-width: 250px;
  background-color: rgba(25, 35, 46, 0.845);
  border-bottom-right-radius: 100%;
  overflow: hidden;
}

/* .header__nav-menu--v-links a { */
.nav-v__list a {
  display: block;
  height: 4.5rem;
  padding-top: 2%;
  padding-left: 4%;
  font-size: 1.6rem;
  color: rgb(242, 242, 242);
  border-left: .4rem;
  border-left-style: solid;
  border-left-color: transparent;
}

.header__nav-menu--v-links a:hover {
  background-color: rgba(222, 254, 237, 0.204);
  border-left-color: rgb(151, 248, 255);
  transition: 0.3S;
}

/** .header Nav **/
@media screen and (max-width: 900px) {

  .header__nav-menu--h {
    display: none;
  }

  .header__nav-menu--v {
    display: block;
  }

}