.mashead{
  position: relative;
  width: 100vw;
  height: 100vh;
}
.logo,.as{
  z-index: 1000;
}

.hidden {
	position: absolute;
	overflow: hidden;
	width: 0;
	height: 0;
	pointer-events: none;
 
}

.menu .row:nth-child(2){
  position: absolute;
  bottom: 10px;
  left: 0;
  right:0;
  max-width: 1440px;
  margin:auto;
}
.menu .row:nth-child(1){
  position: absolute;
  top: 25vh;
  left: 0;
  right:0;
  max-width: 1440px;
  margin:auto;
}
.hamburger {
  width: 25px;
  height: 20px;
  position: relative;
  top: 0px;
  /* left:240px; */
  background: none;
  border: 0;
  cursor: pointer;
  z-index: 100000;
  overflow: hidden;
}
.hamburger__line {
  display: block;
  width: 100%;
  height: 4px;
  background: #474747;
  border-radius: 100px;
  position: absolute;
  left: 0;
  right: 0;
  transition: transform 0.3s linear;
  transform-origin: 50% 50%;
}
.hamburger__line:nth-child(1) {
  top: 0;
}
.hamburger__line:nth-child(2) {
  top: calc(50% - 2px);
}
.hamburger__line:nth-child(3) {
  bottom: 0;
}
.hamburger.active .hamburger__line:nth-child(1) {
  transform: translate(0, -10px);
  background-color: aliceblue;
}

.hamburger.active .hamburger__line:nth-child(2) {
  background-color: aliceblue;
  transform: rotate(45deg);
}
.hamburger.active .hamburger__line:nth-child(3) {
  transform: rotate(-45deg);
  bottom: auto;
  background-color: aliceblue;
  top: calc(50% - 2px);
}

.navigation {
  /* display: flex; */
  justify-content: center;
  /* align-items: center; */
  flex-direction: column;
  text-align: center;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: #071714;
  opacity: 0;
  transition: opacity 0.2s linear;

  ;
}
.navigation.active {
  opacity: 1;
  z-index: 1000;
}