.curtain {
  background-color: rgba(0, 0, 0, 0.75);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
}

.popup {
  position: relative;
  top: 10px;
}

.list-inline,
.list-stacked {
  list-style: none;
  margin: 0;
  padding-left: 0;
}

.list-inline li {
  display: inline-block;
}

.defwidth {
  box-sizing: border-box;
  max-width: 1080px;
  margin: 0 auto;
}

body {
  margin: 0;
  font-family: "Lato", Helvetica, Arial, sans-serif;
}

a {
  text-decoration: none;
  color: #444;
  transition: 0.3s ease-in-out;
}
a:hover {
  color: #000;
}

.top {
  position: fixed;
  display: block;
  bottom: 10px;
  right: 60px;
  padding: 10px;
  background-color: rgba(0, 0, 0, 0.6);
  color: #fff;
  z-index: 1;
}
.top:hover {
  color: #ddd;
}

nav {
  box-sizing: border-box;
  background-color: rgba(0, 0, 0, 0.8);
  overflow: auto;
  height: 50px;
  padding: 0 60px;
  line-height: 50px;
  position: fixed;
  top: 0;
  width: 100%;
  font-size: 13px;
  text-transform: uppercase;
  z-index: 1;
}
nav .brand {
  float: left;
  font-family: "Righteous", sans-serif;
  text-transform: uppercase;
  font-size: 20px;
  font-weight: normal;
}
nav .brand a {
  color: #fff;
}
nav ul {
  float: right;
}
@media (max-width: 750px) {
  nav ul {
    display: none;
  }
  nav ul li {
    display: block;
    float: none;
  }
}
nav li a {
  color: #fff;
  text-decoration: none;
  text-transform: uppercase;
  margin-left: 20px;
}
nav li a:hover {
  color: #ddd;
}
nav .mobile-menu-btn {
  font-family: "Righteous", sans-serif;
  display: none;
  float: right;
  color: #fff;
}
@media (max-width: 750px) {
  nav .mobile-menu-btn {
    display: block;
  }
}

.mobile-menu {
  display: none;
  z-index: 1;
}
@media (max-width: 750px) {
  .mobile-menu {
    box-sizing: border-box;
    position: fixed;
    top: 50px;
    right: 0;
    background-color: rgba(0, 0, 0, 0.7);
    width: 100%;
    padding: 20px 50px;
    text-align: center;
  }
  .mobile-menu a {
    display: block;
    padding: 10px;
    font-family: "Righteous", sans-serif;
    color: #ddd;
    font-size: 13px;
    transition: color 0.3s ease-in-out;
  }
  .mobile-menu a:hover {
    color: #fff;
  }
}

section {
  padding: 20px 30px;
  min-height: 500px;
  padding-top: 50px;
  background-color: rgba(0, 0, 0, 0.1);
}
section h1 {
  font-family: "Righteous", sans-serif;
}

.row {
  overflow: auto;
}
.row .col {
  box-sizing: border-box;
  float: left;
}
.row .col:last-child {
  margin-right: 0;
}
.row .col img {
  width: 100%;
}
.row .col-6 {
  float: left;
  width: calc(100% / 2 - 10px);
  margin-right: 20px;
}
@media (max-width: 750px) {
  .row .col-6 {
    width: 100%;
    margin-right: 0;
  }
}

.grid {
  overflow: auto;
  position: relative;
  z-index: 0;
}

.grid .grid-item {
  width: calc(100% / 4 - 8px);
  margin-right: 10px;
  float: left;
}
@media (max-width: 750px) {
  .grid .grid-item {
    width: calc(100% / 3 - 7px);
  }
}
@media (max-width: 480px) {
  .grid .grid-item {
    width: calc(100% / 2 - 5px);
  }
}
.grid .grid-item p {
  margin-top: 0;
  font-size: 13px;
}
.grid .grid-item p a {
  color: #333;
}
.grid .grid-item img {
  width: 100%;
  opacity: 0.8;
  transition: opacity 0.3s ease-in-out;
  position: relative;
  transform: translate3d(0px, 0px, 0px);
  /* fix image jiggle */
}
.grid .grid-item img:hover {
  opacity: 1;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.grid .grid-item:nth-child(2n) {
  margin-right: 10px;
}
@media (max-width: 750px) {
  .grid .grid-item:nth-child(2n) {
    margin-right: 10px;
  }
}
@media (max-width: 480px) {
  .grid .grid-item:nth-child(2n) {
    margin-right: 0 !important;
  }
}

.grid .grid-item:nth-child(3n) {
  margin-right: 10px;
}
@media (max-width: 750px) {
  .grid .grid-item:nth-child(3n) {
    margin-right: 0;
  }
}
@media (max-width: 480px) {
  .grid .grid-item:nth-child(3n) {
    margin-right: 10px;
  }
}

.grid .grid-item:nth-child(4n) {
  margin-right: 0;
}
@media (max-width: 750px) {
  .grid .grid-item:nth-child(4n) {
    margin-right: 10px;
  }
}

.social {
  text-align: center;
}
@media (max-width: 480px) {
  .social ul {
    margin: 0 auto;
  }
  .social li {
    display: block;
    margin-bottom: 15px;
  }
}
.social a {
  margin-right: 10px;
  color: #fff;
  line-height: 28px;
  text-decoration: none;
  background: rgba(0, 0, 0, 0.7);
  transition: background 0.3s ease-in-out;
  padding: 10px;
  border-radius: 3px;
}
.social a:hover {
  background: black;
}
@media (max-width: 480px) {
  .social a {
    box-sizing: border-box;
    width: 100%;
    margin: 0;
  }
}
.social li:last-child a {
  margin-right: 0;
}
.social i {
  font-size: 28px;
  position: relative;
  top: 3px;
  padding-right: 5px;
}

/*section*/
.home {
  background-color: #222;
  background-image: url("img/cover.jpg");
  background-size: cover;
  background-position: center center;
  text-align: center;
  padding-top: 175px;
}
@media (max-width: 480px) {
  .home {
    padding-top: 125px;
  }
}
.home h1 {
  color: #fff;
  font-size: 60px;
  font-family: "Righteous", sans-serif;
  font-weight: normal;
  text-shadow: 0 0 10px rgba(0, 0, 0, 0.65);
  margin-bottom: 0.1em;
}
.home h3 {
  margin-top: 0;
  color: #fff;
}

/*section*/
.about {
  background-color: #fff;
}

/*section*/
/*section*/
.contact {
  background-image: url(https://unsplash.it/1200/800?image=759);
}
.contact .social {
  text-align: left;
  padding-top: 2px;
}
.contact .social li {
  margin-bottom: 10px;
}
.contact .social li a {
  box-sizing: border-box;
  background-color: transparent;
  color: #000;
  position: relative;
  display: block;
  text-align: center;
  margin-right: 5px;
  line-height: auto;
}
.contact .social li a i {
  font-size: 20px;
}

footer {
  background: #000;
}
footer .copyright {
  padding: 0 20px;
  height: 50px;
  line-height: 50px;
  color: #ddd;
  font-size: 12px;
}