.nav-open main {
  transform: scale(.8);
}



.nav-trigger {
  position: fixed;
  z-index: 6;
  top: 20px;
  right: 18px;
  height: 44px;
  width: 44px;

  overflow: hidden;
  color: transparent;
  white-space: nowrap;
  text-indent: 100%;
}

.nav-trigger span,
.nav-trigger span::before,
.nav-trigger span::after {
  position: absolute;
  height: 4px;
  width: 36px;
  background: #fff;
}

.nav-trigger span {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: background .3s;
}

.nav-trigger span::before,
.nav-trigger span::after {
  content: '';
  top: 0;
  left: 0;
  transition: background .3s, transform .3s;
}

.nav-trigger span::before {
  transform: translateY(-12px);
}

.nav-trigger span::after {
  transform: translateY(12px);
}

.nav-trigger:hover span, 
.nav-trigger:hover span::before,
.nav-trigger:hover span::after {
  background: #fff;
}

.nav-open .nav-trigger span {
  background: transparent;
}

.nav-open .nav-trigger span::before,
.nav-open .nav-trigger span::after {
  background: #fff;
}

.nav-open .nav-trigger span::before {
  transform: rotate(-45deg);
}

.nav-open .nav-trigger span::after {
  transform: rotate(45deg);
}

.overlay {
  position: fixed;
  z-index: 4;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #000;
  opacity: 0;
  visibility: hidden;
  transition: opacity .5s, visibility .5s;
}

.nav-open .overlay {
  opacity: .6;
  visibility: visible;
}

.nav-container {
  position: fixed;
  z-index: 5;
  top: 0;
  right: 0;
  height: 100%;
  width: 90%;
  max-width: 460px;
  padding: 2em 3.5em;
  background: #274870;
  overflow: auto;
  transform: translateZ(0);
  transform: translateX(100%);
  transition: transform .5s cubic-bezier(.07,.23,.34,1);
}

.nav-open .nav-container {
  transform: translateX(0);
}

.nav-container h2 {
  font-size: 15px;
  font-weight: bold;
  text-transform: uppercase;
  color: #fff;
  margin: 1.5em 0;
}

.nav {
  list-style: none;
  padding: 0;
}

.nav a {
  display: block;
  padding: .4em 0;
  font-size: 28px;
  font-weight: 300;
 font-family: 'Source Sans Pro', sans-serif;
  text-decoration: none;
  color: #fff;
  transform: translateZ(0);
}

.nav a:hover { color: #9fb4da;}

.nav-open .nav a {
  animation: slide-in .4s .2s backwards;
}

.nav-open .nav li:nth-of-type(2) a {
  animation-delay: .3s;
}

.nav-open .nav li:nth-of-type(3) a {
  animation-delay: .4s;
}

.nav-open .nav li:nth-of-type(4) a {
  animation-delay: .5s;
}

.nav-open .nav li:nth-of-type(5) a {
  animation-delay: .6s;
}

.nav-open .nav li:nth-of-type(6) a {
  animation-delay: .7s;
}

.nav-open .nav li:nth-of-type(7) a {
  animation-delay: .8s;
}

.nav-open .nav li:nth-of-type(8) a {
  animation-delay: .9s;
}
.nav-open .nav li:nth-of-type(9) a {
  animation-delay: 1.0s;
}
.nav-open .nav li:nth-of-type(10) a {
  animation-delay: 1.1s;
}

@keyframes slide-in {
  0% {
    opacity: 0;
    transform: translateX(80px);
  }

  100% {
    opacity: 1;
    transform: translateX(0);
  }
}