@import url('https://fonts.googleapis.com/css?family=Lato:300,400,700|Montserrat:300,400,500,700|Nunito:300,400,600,700|Oxygen:400,700|Poppins:300,300i,400,500,700|Quicksand:400,500,700&display=swap');
* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
  width: 100%;
  margin: 0;
  background: url('images/bg-final.jpg') no-repeat;
  background-position: 50% 10%;
  background-size: cover;
  font-family: 'Montserrat', sans-serif;
}

.logo {
  font-weight: 700;
  font-size: 2rem;
  color: #fff;
  cursor: pointer;
}

/*
---- Navbar
*/

.navbar {
  height: 90px;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 40px;
}

.navbar-buttons {
  position: relative;
  width: 155px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar-buttons img, .navbar-buttons a{
  width: 24px;
  color: #FFF;
  transition: transform 0.30s;
  margin: 0 3px;
}

.navbar-buttons a:hover {
  transform: scale(1.1);
  color: #31AF91;
}

/* Sing In Button */

.button {
  background-color: rgba(44, 45, 47, 0.749);
  width: 97px;
  height: 30px;
  font-size: 12px;
  color: #fff;
  border: none;
  border-radius: 20px;
  cursor: pointer;
}

/*
---- Overlay
*/

.overlay {
  position: fixed;
  background: rgba(51, 55, 69, 0.80);
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity .35s, visibility .35s, height .35s;
  overflow: hidden;
}

.overlay.open {
  opacity: 1;
  visibility: visible;
  height: 100%;
}

.overlay.open li {
  animation: fadeInRight .5s ease forwards;
  animation-delay: .35s;
}

.overlay.open li:nth-of-type(2) {
  animation-delay: .4s;
}

.overlay.open li:nth-of-type(3) {
  animation-delay: .45s;
}

.overlay.open li:nth-of-type(4) {
  animation-delay: .50s;
}

/* Navigation Title */

/* .overlay .nav-title {
  font-size: 22px;
  color: #fff;
  font-weight: bold;
  text-transform: uppercase;
  text-align: center;
  position: absolute;
  left: 50%;
  transform: translate(-50%);
  top: 8%;
} */

.overlay nav {
  position: relative;
  height: 50%;
  top: 30%;
  transform: translateY(-50%);
  font-size: 50px;
  font-weight: 400;
  text-transform: uppercase;
  text-align: center;
  letter-spacing: 40px;
}

.overlay ul {
  list-style: none;
  padding: 0;
  margin: 0 auto;
  display: inline-block;
  position: relative;
  height: 100%;
}

.overlay ul li {
  display: block;
  position: relative;
  opacity: 0;
  margin-bottom: 30px;
}

.overlay ul li a {
  display: block;
  position: relative;
  color: #FFF;
  text-decoration: none;
  overflow: hidden;
}

.overlay ul li a:hover, .overlay ul li a:focus, .overlay ul li a:active {
  color: #31AF91;
}

.overlay ul li a:hover:after, .overlay ul li a:focus:after, .overlay ul li a:active:after {
  width: 100%;
  background: #31AF91;
}

button:focus {
  outline: 0;
}

.open-menu, .close-menu, .button {
  cursor: pointer;
  transition: transform 0.30s;
}

.open-menu:hover, .close-menu:hover, .button:hover {
  transform: scale(1.1);
}

.overlay ul li a:after {
  content: '';
  position: absolute;
  top: 50%;
  left: 43.5%;
  width: 0%;
  transform: translateX(-50%);
  height: 3px;
  background: #FFF;
  transition: .35s;
}

@keyframes fadeInRight {
  0% {
    opacity: 0;
    left: 20%;
  }
  100% {
    opacity: 1;
    left: 0;
  }
}

/*
---- Responsive
*/

@media (max-width: 670px) {
  .overlay nav {
    font-size: 30px;
  }
}

@media (max-width: 550px) {
  .overlay nav {
    font-size: 20px;
  }
}