.overlay{
  width: 100%;
  height: 100%;
  position: fixed;
  left: 0;
  top: 0;
  background: #1C1D21;
  z-index: 2;
  opacity: 0;
  display: hidden;
  transition: opacity .5s;
}
.nav-open .overlay{
  display: visible;
  opacity: .6;
}
main{
  position: relative;
  /* z-index: 1; */
  height: 100%;
  /* overflow: auto; */
  transition: transform .5s;
}

.nav-open main{
  transform: scale(0.8);
  box-shadow: 0 0 50px #000;
}

.intro{
  /* height: 100vh; */
  width: 100%;
  /* display: table; */
  /* background: url('http://boudaoud.samir.free.fr/photo-bg.jpg') no-repeat center center; */
  background-size: cover;
}
h1{
  display: table-cell;
  /* vertical-align: middle; */
  text-align: center;
  font-size: 55px;
  color: #fff;
  letter-spacing: 1px;
  font-family: 'Raleway';
  font-weight: 200;
}
.nav-trigger{
  position: fixed;
  z-index: 4;
  top:2.4%;
  right: 10px;
  width: 65px;
  height: 44px;
  
  overflow: hidden;
  color: transparent;
  white-space: nowrap;
  text-indent: 100%;
}

.nav-trigger span,
.nav-trigger span::before,
.nav-trigger span::after{
  position: absolute;
  background: #fff;
  width: 36px;
  height: 4px;
  transition: background .3s;
}
.nav-trigger span::before,
.nav-trigger span::after{
  content: '';
  left: 0;
  transition: background 0.3s, transform 0.3s;
}
.nav-trigger span{
  left: 0;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.nav-trigger:hover span,
.nav-trigger:hover span::before,
.nav-trigger:hover span::after{
  background: #999;
}
.nav-trigger span::before{
  transform: translateY(-12px);
}
.nav-trigger span::after{
  transform: translateY(12px);
}

.nav-open .nav-trigger span{
  background: transparent;
}
.nav-open .nav-trigger span::before,
.nav-open .nav-trigger span::after{
  background: #999;
}
.nav-open .nav-trigger span::before{
  transform: rotate(45deg);
}
.nav-open .nav-trigger span::after{
  transform: rotate(-45deg);
}
.nav-container{
  position: fixed;
  z-index: 3;
  right: -15;
  top: 0;
  width: 90%;
  height: 100vh;
  max-width: 400px;
  background-color: #fff;
  transition: transform .4s;
  transform: translateX(100%);
}
.nav-open .nav-container{
  transform: translateX(0);
  transform: translateZ(0);   
   
}
.nav-container h2{
  color: #842b27;
  text-transform: uppercase;
  font-size: 18px;
  margin-top: 54px;
  margin-left: 44px;
}
.nav-container ul{
  list-style-type: none;
  padding-top: 30px;
  padding-left: 30px;

}
.nav-container li{
  font-family: "style3";
  font-size: 40px;
  line-height: 65px;
}
.nav-open .nav-container li{
  animation: slide-left .2s .1s backwards;
  transform: translateZ(0);
}
.nav-open .nav-container li:nth-child(0){animation-delay: .2s;}
.nav-open .nav-container li:nth-child(1){animation-delay: .3s;}
.nav-open .nav-container li:nth-child(2){animation-delay: .4s;}
.nav-open .nav-container li:nth-child(3){animation-delay: .5s;}
.nav-open .nav-container li:nth-child(4){animation-delay: .6s;}
.nav-open .nav-container li:nth-child(5){animation-delay: .7s;}
.nav-open .nav-container li:nth-child(6){animation-delay: .8s;}
.nav-open .nav-container li:nth-child(7){animation-delay: .9s;}
.nav-open .nav-container li:nth-child(8){animation-delay: 1.0s;}
.nav-container li a{
  color: #03324B;
  text-decoration: none;
  transition: color .1s;
  font-family: "style3";
}
.nav-container li:hover a{
  color: #899FB0;
}

@keyframes slide-left{
  from{
    opacity: 0;
    transform: translateX(40%);
  }
  to{
    opacity: 1;
    transform: translateX(0);
  }
}