body{
  margin: 0;
  padding: 0;
  min-height: 1000px;
  font-family: 'Roboto Condensed';
  padding-top: 100px;
  background-color: #fafafa;
  line-height: 1.7;
}
header{
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  width: 100%;
  background: #000;
  transition: 1s;
  padding: 0 100px;
  box-sizing: border-box;
  }
header.scrolled{
  height: 100px;
}
header img.banner{
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  transition: 1s;

}
header.scrolled img.banner{
  opacity: 0;
}
header .logo{
  position: absolute;
  top: calc(50% - 150px);
  left: calc(50% - 150px);
  transition: 1s;
}
header.scrolled .logo{
  position: relative;
  top: 10px;
  left: 0;

}
header .logo img {
  width: 300px;
  transition: 1s;
}
header.scrolled .logo img {
  width: 80px;
}
nav{
  position: relative;
  float: right;
}
nav ul{
  margin: 0;
  padding: 40px 0;
  display: flex;
  transition: 1s;
  opacity: 0;
  visibility: hidden;
  transform: translateX(100px);
}
header.scrolled nav ul{
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}
nav ul li{
  list-style: none;
}
nav ul li a {
  color: #fff;
  padding: 10px 15px;
  text-decoration: none;
  transition: 1s;
}
nav ul li a.active{
  background: #fff;
  color:#262626;
}
nav ul li a:hover{
  border-bottom: 2px solid white;

}
section{
  padding: 100px;
  box-sizing: border-box;
  margin: 150px auto;
}
section h2{
  margin: 0;
  padding: 0;
  font-size: 48px;
}
section p{
  font-size: 18px;
}