nav {
  margin: 0;
  padding: 0;

  width: 100%;

  display: flex;
  flex-direction: row;
  justify-content: space-between;

  position: relative;

  border-radius: 0.5rem 0.5rem 0 0;
}

.nav-item {
  margin: 0;
  padding: 0.5rem;

  width: 100%;
  height: 3rem;

  display: flex;
  justify-content: center;
  align-items: center;

  box-sizing: border-box;

  background-color: $black;

  border: none;

  user-select: none;

  &:hover {
    background-color: $black-darker;
  }

  p,
  a {
    margin: auto;
    padding: 0;

    display: inline-block;

    font-family: $font-body;
    font-size: 1rem;
    font-weight: 600;
    font-stretch: semi-expanded;

    color: $white;

    transition: all 0.2s cubic-bezier(0.86, 0, 0.07, 1);
  }

  &:nth-child(1) {
    border-radius: 0.5rem 0 0 0;
  }
  &:nth-child(4) {
    border-radius: 0 0.5rem 0 0;
  }
}

.nav-item_selected {
  background-color: $black-est;
}

#nav-item_underline {
  margin: 0;
  padding: 0;

  width: 25%;
  height: 0.3rem;

  display: block;

  position: absolute;

  bottom: 0;
  left: 0;

  background-color: $green;

  transition: left 0.2s cubic-bezier(0.86, 0, 0.07, 1),
    width 0.2s cubic-bezier(0.86, 0, 0.07, 1);
}