body {
  margin: 0;
  padding: 0;
}

.bg {
  position: absolute;
  height: 100vh;
  width: 100vw;
  top: 0;
  left: 0;
  background: url(mountains.jpg);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  z-index: -2;
}

.nav {
  height: 3.2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #fff;
}

.nav__logo {
  font-size: 1.5rem;
  margin: auto 1rem;
}

.nav__menu ul {
  margin: 0;
  padding: 0;
  display: flex;
}

.nav__menu ul li {
  list-style: none;
}

.nav__menu ul li a {
  text-decoration: none;
  color: #fff;
  padding: 1rem;
  display: block;
}

.nav__menu li:hover {
  background-color: rgba(255, 255, 255, 0.5);
}

.nav__hamburger {
  width: 1.875rem;
  height: 1.313rem;
  display: none;
  flex-direction: column;
  justify-content: space-around;
  position: absolute;
  top: 1rem;
  right: 1rem;
}

.nav__hamburger__line {
  height: 0.188rem;
  width: 100%;
  background-color: #fff;
  border-radius: 0.625rem;
  transition: all ease-in-out 0.2s;
}

/* MEDIA QUERIES */

@media screen and (max-width: 550px) {
  .nav__hamburger {
    display: flex;
  }
  .nav__menu {
    position: absolute;
    display: flex;
    align-items: center;
    background-color: rgba(255, 255, 255, 0.2);
    top: -10rem;
    width: 100%;
    transition: all ease-in-out 0.4s;
  }
  .nav {
    flex-direction: column;
    align-items: flex-start;
  }
  .nav__menu ul {
    flex-direction: column;
    width: 100%;
    padding: 3rem 0 0.6rem;
  }
  .nav__menu ul li {
    text-align: center;
  }
  .nav__menu ul li a {
    padding: 0.5rem;
  }
  .nav__menu {
    z-index: -1;
  }
  .nav__menu.active {
    top: 0;
  }
  .nav__hamburger.active :nth-child(1) {
    transform: rotate(45deg) translate(0.45rem, 0.1875rem);
  }

  .nav__hamburger.active :nth-child(2) {
    opacity: 0;
  }

  .nav__hamburger.active :nth-child(3) {
    transform: rotate(-45deg) translate(0.45rem, -0.1875rem);
  }
}