.c-hamburger {
  display: inline-block;
  position: relative;
  z-index: 999;
  overflow: hidden;
  margin: 0;
  padding: 0;
  width: 32px;
  height: 36px;
  text-indent: -9999px;
  font-size: 0;
  appearance: none;
  box-shadow: none;
  border: none;
  cursor: pointer;
  background: transparent;
  transition: 0.3s ease-in-out;
}

.c-hamburger:focus {
  outline: none;
}

.c-hamburger span,
.c-hamburger span::before,
.c-hamburger span::after {
  border-radius: 0px;
  display: block;
  position: absolute;
  right: 0;
  height: 2.5px;
  background-color: #26273b;
}

.c-hamburger span {
  top: 18px;
  left: 0;
}

.c-hamburger span::before,
.c-hamburger span::after {
  width: 100%;
  content: "";
  transition-duration: 0.2s, 0.2s, 0.2s;
  transition-delay: 0.2s, 0s, 0s;
}

.c-hamburger span::before {
  top: -8px;
  transition-property: top, transform, background;
}

.c-hamburger span::after {
  bottom: -8px;
  width: 100%;
  transition-property: bottom, transform, background;
}

/* active state, i.e. menu open */
.header-mobile-opened .c-hamburger {
  transform: rotate(-90deg);
}

.header-mobile-opened .c-hamburger span {
  background: none !important;
}

.header-mobile-opened .c-hamburger span::before {
  top: 0;
  transform: rotate(-45deg) scaleX(0.75);
}

.header-mobile-opened .c-hamburger span::after {
  width: 100%;
  bottom: 0;
  transform: rotate(45deg) scaleX(0.75);
}

.header-mobile-opened .c-hamburger span::before,
.header-mobile-opened .c-hamburger span::after {
  transition-delay: 0s, 0s, 0.2s;
}