:root {
  --lightBlue: #3399ff;
  --darkBlue: #0066ff;
  --blue: #205ca9;
  --bgBlue: #aec0cc;
  --orange: #ff6600;
  --white: #ffffff;
  --black: #000000;
  --grey1: #333333;
  --grey2: #d8e5ec;
  --grey3: #f3f4f4;
  --siteFont: "humanst521_btroman";
}

@font-face {
  font-family: "humanst521_btroman";
  src: url("../fonts/humanist521bt-webfont.woff2") format("woff2"),
    url("../fonts/humanist521bt-webfont.woff") format("woff");
  font-weight: normal;
  font-style: normal;
}

body {
  padding: 0;
  margin: 0 0 25px;
  background-color: var(--grey2);
  font-family: var(--siteFont), Arial, Helvetica, sans-serif;
  letter-spacing: 0.4pt;
}

a {
  color: var(--blue);
}

a:hover {
  color: var(--lightBlue);
}

.mainContainer {
  max-width: 1300px;
  margin: auto;
}

header {
  height: 90px;
  position: relative;
  display: flex;
  border-bottom: solid 3px var(--blue);
}

.logo {
  margin-left: 30px;
  flex-grow: 2;
}

header .socialMedia {
  text-align: right;
  flex-grow: 1;
  margin-right: 20px;
}

header .socialMedia ul {
  display: flex;
  margin-top: calc(8% - 10px);
}

header .socialMedia ul li {
  display: inline-block;
  list-style-type: none;
  position: relative;
  flex-grow: 1;
}
header .socialMedia ul li img {
  position: absolute;
  left: 0;
  width: 85%;
}

header .socialMedia ul li img.img-hover {
  opacity: 0;
  transition: all 300ms;
}

header .socialMedia ul li a:hover img.img-hover {
  opacity: 1;
  transition: all 300ms;
}

.hero-slider {
  position: relative;
  height: 720px;
  max-width: 1300px;
}
.hero-slider img {
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  border: none;
}

header:before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  background-color: var(--grey3);
  height: 40px;
  z-index: -1;
  top: calc(50% - 21px);
}

footer {
  background-color: var(--blue);
  padding: 10px;
  text-align: center;
  color: var(--grey3);
  text-transform: uppercase;
  margin-top: 10px;
}

.copyrightSection {
  margin-top: 10px;
  text-align: center;
}

@media only screen and (max-width: 768px) {
  .logo {
    margin-left: 10px;
  }
  .logo img {
    width: 70px;
  }
  header .socialMedia {
    margin-right: 10px;
  }
  header .socialMedia ul {
    margin-top: calc(10%);
  }

  header .socialMedia ul li img {
    width: 30px;
  }

  .hero-slider {
    height: 250px;
  }
  .logo {
    flex-grow: 1;
  }

  header .socialMedia {
    flex-grow: 10;
  }
}