* { 
 margin: 0; 
 padding: 0;
 box-sizing: border-box; 
 text-decoration: none; 
 border: none; 
 outline: none; 
 scroll-behavior: smooth; 
 font-family: "Poppins", sans-serif; 
 } 
 
 :root {
 --bg-color: #080808; 
 --second-bg-color: #131313;
 --text-color: white; 
 --main-color: #00ffee; 
 } 
 
 html{ 
 font-size: 60%; 
 overflow-x: hidden; 
 } 
 
 
 body{ 
 background: #080808; 
 color: white; 
 } 
 
 .header {
	 position: fixed; 
	 top: 0; 
	 left: 0;
	 width: 100%;
	 padding: 4rem 12% 4rem;
	 background: rgba(0,0,0,0.3);
	 backdrop-filter: blur(10px);
	 display: flex;
	 justify-content: space-between;
	 align-items: center;
	 z-index: 5;
	 }
	 
.logo{
	font-size: 3rem;
	color: white;
	font-weight: 800;
	cursor: pointer;
	transition: 0.3s ease;
}

.logo:hover{
	transform: scale(1.1);
}

.logo span{
	text-shadow: 0 0 25px #00ffee;
}

.navbar a{
	font-size: 1.8rem;
	color: white;
	margin-left: 4rem;
	font-weight: 500;
	transition: 0.3s ease;
	border-bottom: 3px solid transparent;
}

.navbar a:hover,
.navbar a.active{
	color: #00ffee;
	border-bottom: 3px solid #00ffee;
}

#menu-icon{
	font-size: 3.6rem;
	color: #00ffee;
	display: none;
}

section{
	min-height: 100vh;
	padding: 10rem 12% 10rem;
}
.home{
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 15rem;
}
.home-content{
	display: flex;
	flex-direction: column;
	align-items: baseline;
	text-align: left;
	justify-content: center;
	margin-top: 3rem;
}

span{
	color: #00ffee;
}
.logo span{
	color: #00ffee;
}

.home-content h3{
	margin-bottom: 2rem;
	margin-top: 1rem;
	font-size: 3.5rem;
}

.home-content h1{
	font-size: 7rem;
	font-weight: 700;
	margin-top: 1.5rem;
	line-height: 1;
}

.home-img{
	border-radius: 50%;
}

.home-img img{
	position: relative;
	top: 3rem;
	width: 32vw;
	border-radius: 50%;
	box-shadow: 0 0 25px #00ffee;
	cursor: pointer;
	transition: 0.4s ease-in-out;
}

.home-img img:hover{
	box-shadow: 0 0 25px #00ffee,
				0 0 50px #00ffee, 
				0 0 100px #00ffee;
}

.home-content p{
	font-size: 1.5rem;
	font-weight: 500;
	line-height: 1.8;
	max-width: 1000px;
}

.social-icons a{
	display: inline-flex;
	justify-content: center;
	align-items: center;
	width: 4.5rem;
	height: 4.5rem;
	background: transparent;
	border: 2px solid var(--main-color);
	font-size: 2.5rem;
	border-radius: 50%;
	color:var(--main-color);
	margin: 3rem 1.5rem 3rem 0;
	transition: 0.3s ease-in-out;
}

.social-icons a:hover{
	transform:  scale(1.2)translateY(-10px);
	background-color: var(--main-color);
	color: var(--second-bg-color);
	box-shadow: 0 0 25px var(--main-color);
	
}

.btn{
	display: inline-block;
    padding: 1rem 2.8rem;
	background: #00ffee;
	box-shadow: 0 0 25px #00ffee;
	border-radius: 4rem;
	font-size: 1.6rem;
	color: black;
	border: 2px solid transparent;
	letter-spacing: 0.1rem;
	font-weight: 600;
	transition: 0.3s ease-in-out;
	cursor: pointer;
}

.btn:hover{
	transform: scale(1.05);
	box-shadow: 0 0 50px #00ffee;
}

.btn-group{
	display: flex;
	align-items: center;
	gap: 1.5rem;
}

.btn-group a:nth-of-type(2){
	background-color: black;
	color: #00ffee;
	border: 2px solid #00ffee;
	box-shadow: 0 0 25px transparent;
}

.btn-group a:nth-of-type(2):hover{
	box-shadow: 0 0 25px #00ffee;
	background-color: #00ffee;
	color: black;
}


.text-animation span{
	position: relative;
}

.text-animation span::before{
	content: "M.Sc. Geodäsie Student";
	color: #00ffee;
	animation: words 20s infinite;
}

.text-animation span::after{
	content: "";
	background-color: #080808;
	position: absolute;
	width: calc(100% + 8px);
	height: 100%;
	border-left: 3px solid #080808;
	right: -8px;
	animation: cursor 0.6s infinite, typing 20s steps(14)  infinite;
}

@keyframes cursor{
	to {
		border-left: 2px solid #00ffee;
	}
}

@keyframes words{
	0%,
	20%{
		content: "Geodäsie Student";
	}
	21%,
	40%{
		content: "Physics Student ";
	}
	41%,
	60%{
		content: "Werkstudent at GF";
	}
	61%,
	80%{
		content: "Member of STAR";
	}
	81%,
	100%{
		content: "B.Sc. of Geodäsie";
	}
}

@keyframes typing{
	10%,
	15%,
	30%,
	35%,
	50%,
	55%,
	70%,
	75%,
	90%,
	95%{
		width: 0;
	}
	5%,
	20%,
	25%,
	40%,
	45%,
	60%,
	65%,
	80%,
	85%{
		width: calc(100% + 8px);
	}
}

.heading{
	font-size: 8rem;
	text-align: center;
	margin: 5rem 0;
}

.education{
	padding: 100px 15px;
	background: var(--second-bg-color);
}

.experience{
	padding: 100px 15px;
	background: black;
}

.education h2{
	margin-bottom: 5rem;
}

.experience h2{
	margin-bottom: 5rem;
}

.timeline-items{
	max-width: 1200px;
	margin: auto;
	display: flex;
	flex-wrap: wrap;
	position: relative;
}

.timeline-items::before{
	content: "";
	position: absolute;
	width: 5px;
	height: 100%;
	background-color: var(--main-color);
	left: calc(50% - 1px);
}

.timeline-item{
	margin-bottom: 40px;
	width: 100%;
	position: relative;
}

.timeline-item:last-child{
	margin-bottom: 0;
}

.timeline-item:nth-child(odd){
	padding-right: calc(50% + 30px);
	text-align: right;
}

.timeline-item:nth-child(even){
	padding-left: calc(50% + 30px);
}

.timeline-dot{
	height: 21px;
	width: 21px;
	background-color: var(--main-color);
	box-shadow: 0 0 25px var(--main-color),
				0 0 50px var(--main-color);
	position: absolute;
	left: calc(50% - 8px);
	border-radius: 50%;
	top: 10px;
}

.timeline-date{
	font-size: 20px;
	font-weight: 800;
	color: white;
	margin: 6px 0 15px;
}

.timeline-content{
	background-color: var(--bg-color);
	border: 3px solid var(--main-color);
	padding: 30px 50px;
	border-radius: 4rem;
	box-shadow: 0 0 10px var(--main-color);
	cursor: pointer;
	transition: 0.3s ease-in-out;
}

.timeline-content:hover{
	transform: scale(1.05);
	box-shadow: 0 0 25px var(--main-color);
}

.timeline-content h3{
	font-size: 20px;
	color: white;
	margin: 0 0 10px;
	font-weight: 500;
}

.timeline-content p{
	color: white;
	font-size: 16px;
	font-weight: 300;
	line-height: 22px;
}

.timeline-content2{
	background-color: var(--second-bg-color);
	border: 3px solid var(--main-color);
	padding: 30px 50px;
	border-radius: 4rem;
	box-shadow: 0 0 10px var(--main-color);
	cursor: pointer;
	transition: 0.3s ease-in-out;
}

.timeline-content2:hover{
	transform: scale(1.05);
	box-shadow: 0 0 25px var(--main-color);
}

.timeline-content2 h3{
	font-size: 20px;
	color: white;
	margin: 0 0 10px;
	font-weight: 500;
}

.timeline-content2 p{
	color: white;
	font-size: 16px;
	font-weight: 300;
	line-height: 22px;
}


::-webkit-scrollbar{
	width: 15px;
}

::-webkit-scrollbar-thumb{
	background-color: var(--main-color);
}

::-webkit-scrollbar-track{
	background-color: var(--bg-color);
	width: 50px;
}

.projects{
	background: var(--second-bg-color);
}

.projects-box{
	background-size: cover;
	display: flex;
	align-items: center;
	justify-content: center;
	flex-direction: column;
}

.projects .heading{
	margin-bottom: 5rem;
}

.projects-box img{
	width: 15em;
	border-radius: 50%;
	border: 3px solid var(--main-color);
	box-shadow: 0 0 25px var(--main-color);
}

.wrapper{
	display: grid;
	grid-template-columns: repeat(3,1fr);
	gap: 3rem;
}

.projects-item{
	min-height: 550px;
	max-width: 450px;
	background: rgba(0, 0, 0, 0.9);
	border: 3px solid rgba(238, 238, 238, 0.2);
	border-radius: 2rem;
	margin: 0 2rem;
	padding: 30px 60px;
	cursor: pointer;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	text-align: center;
	gap: 1.5rem;
	color: white;
	transition: 0.4s ease-in-out;
}

.projects-item:hover{
	border: 3px solid var(--main-color);
	transform: translateY(-10px)scale(1.03);
	box-shadow: 0 0 50px var(--main-color);
}

.projects-item h2{
	font-size: 2.8rem;
}

.projects-item p{
	font-size: 1.3rem;
}

.certification{
	background:  var(--bg-color);
	color: black;
}

.certification h2{
	margin-bottom: 5rem;
	color: white;
}

.certification-container{
	display: grid;
	grid-template-columns: repeat(2,1fr);
	align-items: center;
	gap: 2.5rem;
}

.certification-box{
	background-color:  var(--main-color);
	height: 300px;
	border-radius: 3rem;
	border: 5px solid transparent;
	cursor: pointer;
	transition: 0.4s ease-in-out;
}

.certification-box:hover{
	background: white;
	color: black;
	border:  5px solid var(--main-color);
	transform:  scale(1.03);
}

.certification-box .certification-info{
	display: flex;
	flex-direction: column;
	text-align: left;
	max-height: 200px;
	justify-content: left;
	align-items: baseline;
	padding: 5rem 5rem;
}

.certification-info h4{
	font-size: 3rem;
	font-weight: 800;
	line-height: 2;
}

.certification-info p{
	font-size: 1.6rem;
	font-weight: 600;
	max-height: 100px;
	line-height: 1.7;
	margin: auto;
}

.contact{
	background-color: var(--second-bg-color);
}

.contact h2{
	margin-bottom:  3rem;
	color: white;
}

.contact form{
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 3rem;
	margin: 5rem auto;
	text-align: center;
}

.contact form .input-box{
	display: flex;
	justify-content: center;
	flex-wrap: wrap;
}

.contact form .input-box input, .contact form textarea{
	width: 100%;
	padding: 2.5rem;
	font-size: 1.8rem;
	color: var(--text-color);
	background: var(--bg-color);
	border-radius: 2rem;
	border: 2px solid var(--main-color);
	margin: 1.5rem 0;
	resize: none;
}

.contact form .btn{
	margin-top: 2rem;
}

.footer{
	position: relative;
	bottom: 0;
	width: 100%;
	padding:  40px 0;
	background-color: var(--bg-color);
}

.footer .social{
	text-align: center;
	padding-bottom: 25px;
	color: var(--main-color);
}

.footer .social a{
	display: inline-flex;
	justify-content: center;
	align-items: center;
	width: 4.5rem;
	height: 4.5rem;
	background: transparent;
	border: 2px solid var(--main-color);
	font-size: 2.5rem;
	border-radius: 50%;
	color:var(--main-color);
	margin: 3rem 1.5rem 3rem 0;
	transition: 0.3s ease-in-out;

}

.footer .social a:hover{
	transform:  scale(1.2)translateY(-10px);
	background-color: var(--main-color);
	color: var(--second-bg-color);
	box-shadow: 0 0 25px var(--main-color);
}

.footer ul{
	margin-top: 0;
	padding: 0;
	font-size: 18px;
	line-height: 1.6;
	margin-bottom: 0;
	text-align: center;
}

.footer ul li a{
	color: white;
	border-bottom: 3px solid transparent;
	transition: 0.3s ease-in-out;
}

.footer ul li a:hover{
	border-bottom: 3px solid var(--main-color);
}

.footer ul li{
	display: inline-block;
	padding: 0 15px;
}

.footer .copyright{
	margin-top: 50px;
	text-align: center;
	font-size: 16px;
	color: white;
}

@media(max-width:1285px){
	html{
		font-size: 55%;
	}
	.certification-container{
		padding-bottom:  7rem;
		grid-template-columns: repeat(2,1);
		margin: 0 5rem;
	}
}

@media(max-width:991px){
	header{
		padding: 2rem 3%;
	}
	section{
		padding: 10rem 3% 2rem;
	}
	.timeline-items::before{
		left: 7px;
	}
	.timeline-item:nth-child(odd),
	.timeline-item:nth-child(even){
		padding-left: 37px;
	}
	.timeline-dot{
		left: 0;
	}

.certification{
	padding-bottom:  7rem;
}

.projects .wrapper{
	grid-template-columns: repeat(1,1fr);
}

.contact form{
	flex-direction: column;
}

.footer{
	padding: 2rem 3%;
}
}

@media(max-width:895px){
	#menu-icon{
		display: block;
	}
	.navbar{
		position: absolute;
		top: 100%;
		right: 0;
		width: 50%;
		padding: 1rem 3%;
		background: rgba(0, 0, 0, 0.8);
		backdrop-filter: blur(20px);
		border-bottom-left-radius: 2rem;
		border-left: 2px solid var(--main-color);
		border-bottom: 2px solid var(--main-color);
		display: none;
	}

	.navbar.active{
		display: block;
	}

	.navbar a{
		display: block;
		font-size: 2rem;
		margin: 3rem 0;
		color: white;
	}

	.home{
		flex-direction: column-reverse;
		margin: 5rem 4rem;
	}

	.home-content h3{
		font-size: 2.6rem;
	}

	.home-content h1{
		font-size: 8rem;
		margin-top: 3rem;
	}

	.home-content p{
		max-width: 600px;
		margin: 0 auto;
	}

	.home-img img{
		width: 56vw;
	}

	.certification h2{
		margin-bottom: 3rem;
	}

	.certification-container{
		grid-template-columns: repeat(1,1fr);
	}
}
*{