* {
	margin: 0px;
	padding: 0px;
	box-sizing: border-box;
}

body {
	font-family: 'Poppins', sans-serif;
	background-color: #D9D9D7;
}
button {
	font-family: 'Poppins', sans-serif;
}

body::after {
	content: "";
	height: 100%;
	background-image: url(img/bgimg.jpg);
	background-repeat: no-repeat;
	background-position: right; 
	background-size: 60%;
	opacity: 0.3;
	position: absolute;
	left: 0;
	top: 0;	
	right: 0;
	bottom: 0;
	z-index: -1;
}

header {
	display: flex;
	width: 90%;
	height: 10vh;
	margin: auto;
	align-items: center;
}

.logo-container,
.nav-links,
.imprint {
	display: flex;
}

.logo-container {
	flex: 1;
}
.logo {
	font-weight: 400;
	margin: 5px;
}
nav {
	flex: 2;
}
.nav-links {
	justify-content: space-around;
	list-style: none;
}
.nav-link {
	color: #5f5f79;
	font-size: 18px;
	text-decoration: none;
}
.imprint {
	flex: 1;
	justify-content: flex-end;
}

.presentation {
	display: flex;
	width: 90%;
	margin: auto;
	min-height: 80vh;
	align-items: center;
}
.introduction {
	flex: 1;
}
.intro-text h1 {
	font-size: 44px;
	font-weight: 500;
	background: linear-gradient(to right, #494964, #6f6f89);
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
}
.intro-text p {
	margin-top: 5px;
	font-size: 22px;
	color: #585772;
}
.cta {
	padding: 50px 0px 0px 0px;
}
.cta-select {
	border: 2px solid #c36cbb;
	background: transparent;
	color: #c36cbb;
	width: 150px;
	height: 50px;
	cursor: pointer;
	font-size: 16px;
}
.cta-add {
	background: #c36cbb;
	width: 150px;
	height: 50px;
	cursor: pointer;
	font-size: 16px;
	border: none;
	color: white;
	margin: 30px 0px 0px 30px;
}

.cover {
	flex: 1;
	display: flex;
	justify-content: center;
	height: 60vh;
}
.cover img {
	height: 100%;
	filter: drop-shadow(0px 5px 3px black);
	animation: drop 1.5s ease;
}

.laptop-select {
	width: 15%;
	display: flex;
	justify-content: space-around;
	position: absolute;
	right: 20%;
}

footer {
  position: fixed;
  padding: .6em;
  bottom: 0;
  left: 0;
  right: 0;
  text-align: right;
  margin-right: 50px;
}

#crs_logo {
	height: 100px;
	width: 100px;
	opacity: 0.5;
}

@keyframes drop {
	0% {
		opacity: 0;
		transform: translateY(-80px);
	}
	100% {
		opacity: 1;
		transform: translateY(0px);
	}
}

@media screen and (max-width: 750px) {
	.presentation {
		flex-direction: column;
	}
	
	.introduction {
		margin-top: 5vh;
		text-align: center;	
		margin-top: 25%;
		
	}
	
	body::after {
		background-position: bottom;
		background-size: 100%;
		margin-top: 0%;
		position: absolute;
	}
	
	.intro-text h1 {
		font-size: 30px;
	}
	
	.intro-text p {
		font-size: 18px;
	}
	
	.cta {
		padding: 10px 0px 0px 0px;
	}
	
	.laptop-select {
		bottom: 5%;
		right: 50%;
		width: 50%;
		transform: translate(50%, 5%);
	}
	
	.cover img {
		height: 80%;
	}
	
	.cover {
		display: none;
	}
	
	footer {
		margin-right: 10px;
	}
	
	#crs_logo {
		height: 75px;
		width: 75px;
	}
}