html, body {
  height: 100%;
}

html {
  font-family: sans-serif;
  line-height: 1.15;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

body {
  margin: 0;
  font-family: "Quicksand", sans-serif;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  color: #212529;
  text-align: left;
  background-color: #fff;
}

#contactBtn {
  text-decoration: none;
  color: white;
}

.header {
  z-index: 990;
  position: relative;
  height: 100%;
  min-height: 600px;
  text-align: center;
  color: #fff;
  background-image: url(../imgs/header.jpg);
  background-size: cover;
  background-position: center;
  -webkit-transition: .2s;
  transition: .2s;
  -webkit-transition-timing-function: linear;
          transition-timing-function: linear;
}

.header .overlay {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 100%;
  background-image: -webkit-radial-gradient(48% 42%, 140% 110%, rgba(33, 37, 41, 0.5), rgba(33, 37, 41, 0.6), rgba(33, 37, 41, 0.7), rgba(33, 37, 41, 0.8), rgba(33, 37, 41, 0.93), #212529 55%, #212529 200%);
  background-image: radial-gradient(140% 110% at 48% 42%, rgba(33, 37, 41, 0.5), rgba(33, 37, 41, 0.6), rgba(33, 37, 41, 0.7), rgba(33, 37, 41, 0.8), rgba(33, 37, 41, 0.93), #212529 55%, #212529 200%);
}

.header .header-content {
  position: absolute;
  left: 50%;
  top: 50%;
  -webkit-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
      transform: translate(-50%, -50%);
}

.header .header-content .header-title {
  font-size: calc(25px + (50 - 25) * ((100vw - 300px) / (1300 - 300)));
  margin-top: 15px;
  margin-bottom: 10px;
  font-weight: bold;
}

.header .header-content .header-subtitle {
  opacity: 1;
  margin-bottom: 30px;
}

.header .header-content .btn-theme-color {
  padding: 8px 20px;
  border-radius: 30px;
  border: 2px solid #fff;
  color: #fff;
  background: transparent;
  outline: 0;
  -webkit-transition: all, 0.3s;
  transition: all, 0.3s;
  font-size: calc(12px + (15 - 12) * ((100vw - 300px) / (1300 - 300)));
  font-weight: bold;
}

@media (prefers-reduced-motion: reduce) {
  .header .header-content .btn-theme-color {
    -webkit-transition: none;
    transition: none;
  }
}

.header .header-content .btn-theme-color i {
  position: relative;
  top: 1px;
  font-weight: bold;
}

.header .header-content .btn-theme-color:hover {
  background: rgba(255, 255, 255, 0.5);
  border-color: rgba(255, 255, 255, 0.1);
  color: #000;
}

.header .header-content .btn-theme-color:active {
  background: white;
}

.header-title {
  font-size: 2.4rem;
  font-weight: bold;
  opacity: .8;
}