.stf-header {
  align-items: center;
  background-color: var(--pts-color__primary);
  background-image: url('./images/header-background.svg');
  background-position: left top;
  background-repeat: no-repeat;
  background-size: auto;
  box-sizing: border-box;
  display: flex;
  height: var(--pts-height__header__mobile);
  justify-content: center;
  width: 100%;
}

.stf-header__inner {
  align-items: center;
  box-sizing: border-box;
  display: flex;
  justify-content: space-between;
  max-width: var(--pts-width__header);
  padding: 0 var(--pts-spacing__base);
  width: 100%;
}

.stf-header__logo-image {
  background-image: url('./images/alaska-logo.svg');
  background-repeat: no-repeat;
  background-size: 100%;
  display: block;
  height: 40px;
  width: 120px;
}

.stf-header__logo {
  align-items: center;
  display: flex;
}

.stf-header__logo-link {
  line-height: 0;
}

.stf-header__nav {
  display: none;
}

.stf-header__nav-list {
  display: flex;
}

.stf-header__nav-list-item {
  margin-right: 18px;
}

.stf-header__nav-list-item:last-child {
  margin-right: 0;
}

a.stf-header__nav-link {
  color: var(--pts-color__text-light);
  padding: var(--pts-spacing__extra-small) 2px var(--pts-spacing__medium);
  text-decoration: none;
}

a.stf-header__nav-link:hover {
  border-bottom: 3px solid #fff;
  text-decoration: none;
  transition: all .3s ease;
}

.stf-header__mobile-menu__button {
  appearance: none;
  background-color: transparent;
  border: 0;
  cursor: pointer;
  display: block;
  padding: 0;
  text-align: right;
  width: 40px;
}

.stf-header__mobile-menu__icon {
  background-repeat: no-repeat;
  background-size: 100%;
  display: inline-block;
  height: 60px;
  vertical-align: middle;
  width: 22px;
}

.stf-header__mobile-menu__open-button {
  display: block;
}

.stf-header__mobile-menu__open-button .stf-header__mobile-menu__icon {
  background-image: url('./images/icon_mobile-menu_open.svg');
}

.stf-header__mobile-menu__close-button {
  display: none;
}

.stf-header__mobile-menu__close-button .stf-header__mobile-menu__icon {
  background-image: url('./images/icon_mobile-menu_close.svg');
}

@media screen and (min-width: 768px) {
  .stf-header {
    align-items: flex-start;
    height: var(--pts-height__header__base);
    justify-content: flex-start;
  }

  .stf-header__inner {
    justify-content: flex-start;
    margin: var(--pts-height__header__inner-margin) auto 0 auto;
    max-width: var(--pts-width__content);
    padding: 0 var(--pts-spacing__base) 0 var(--pts-spacing__large);
    width: 100%;
  }

  .stf-header__nav-list {
    height: 40px;
  }

  a.stf-header__nav-link {
    color: var(--pts-color__text-light);
    font-size: var(--pts-font-size__body__medium);
    line-height: 48px;
    text-decoration: none;
  }

  .stf-header__logo {
    margin-right: 56px;
  }

  .stf-header__nav-list-item {
    margin-right: var(--pts-spacing__large);
  }
}

@media screen and (min-width: 1024px) {
  .stf-header__inner {
    padding: 0 var(--pts-spacing__base) 0;
  }
}