.header {
  background-color: #333;
}

.header__inner {
  padding: 25px 52px 25px 53px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navigation__list {
  display: flex;
  list-style: none;
  gap: 50px;
}

.navigation__item:last-child {
  margin-right: 0;
}

.navigation__link {
  text-decoration: none;
  color: #FFF;
  font-size: 16px;
  font-style: normal;
  font-weight: 500;
  line-height: normal;
}

.navigation__link:hover {
  border-bottom: 1px solid #FFF;
  padding-bottom: 3px;
}

.navigation__link:focus {
  border-bottom: 1px solid #FFF;
  padding-bottom: 3px;
}

.header__burger {
  width: 24px;
  height: 20px;
  display: none;
  position: relative;
  cursor: pointer;
  align-items: center;
  z-index: 2;
}

.header__burger-item {
  width: 100%;
  height: 2px;
  background-color: #FFF;
  position: absolute;
}

.header__burger::before,
.header__burger::after {
  content: "";
  width: 100%;
  height: 2px;
  background-color: #FFF;
  position: absolute;
  transition: .3s;
}

.header__burger::before {
  top: 0;
}

.header__burger::after {
  bottom: 0;
}

@media (max-width: 740px) {

  .navigation {
    display: none;
    position: absolute;
    top: 80px;
    right: 0;
    left: 0;
    background-color: #333;
    padding: 15px 52px 20px 20px;
    max-width: 100%;
    z-index: 50;
  }

  .header__burger {
    display: flex;
  }

  .navigation__list {
    display: block;
    text-align: center;
  }

  .navigation__item {
    padding-bottom: 15px;
  }

  .header.open .navigation {
    display: block;
  }

  .header.open .header__burger-item {
    opacity: 0;
  }

  .header.open .header__burger::before {
    top: 50%;
    transform: rotate(-45deg) translate(0, -50%);
  }

  .header.open .header__burger::after {
    bottom: 50%;
    transform: rotate(45deg) translate(0, 50%);
  }
}