@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');

*{
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}
:root{
	--index: calc(1vw + 1vh);
	--text: #e7e7e0;
	--transition: transform .75s cubic-bezier(.075, .5, 0, 1);
}
body{
	background-color: #010101;
	font-family: 'Poppins', sans-serif;
	line-height: 1.55;
}
.header{
	position: relative;
}
.header::after{
	content: '';
	position: absolute;
	z-index: 100;
	width: 100%;
	height: calc(var(--index) * 10);
	background-image: url(../img/ground.png);
	background-size: cover;
	background-repeat: no-repeat;
	background-position: center;
	bottom: calc(var(--index) * -4.5);
}
.katmanlar{
	height: 100vh;
	display: flex;
	align-items: center;
	justify-content: center;
	text-align: center;
	overflow: hidden;
	position: relative;
}
.katman{
	height: 100%;
	width: 100%;
	position: absolute;
	background-size: cover;
	background-position: center;
	will-change: transform;
	z-index: 2;
	transition: var(--transition);
}
.katmanlar__ana{
	transform: translate3d(0, calc(var(--scrollTop) / 1.6), 0);
	z-index: 0;
}
.katman__ust{
	z-index: 1;
	transform: translate3d(0, calc(var(--scrollTop) / 2), 0);
	transition: var(--transition);
	will-change: transform;
	text-transform: uppercase;
	font-weight: 900;
	color: #FFF;
	text-shadow: 0 0 15px #AAA;
}
.katmanlar__baslik{
	font-size: calc(var(--index) * 2.65);
	letter-spacing: calc(var(--index) / 2.25);
}
.katmanlar__yazi{
	font-size: calc(var(--index) / 1.175);
	letter-spacing: calc(var(--index) / 3.5);
	margin-top: calc(var(--index) * -.75);
}
.ana-konu{
	--main-article-transform: translate3d(0, calc(var(--scrollTop) / -7.5), 0);
	min-height: 100vh;
	background-size: cover;
	background-position: center;
	color: var(--text);
	display: flex;
	justify-content: center;
	align-items: center;
	position: relative;
	text-align: justify;
	top: -1px;
	z-index: 10;
}
.ana-konu__baslik{
	text-transform: uppercase;
	font-size: calc(var(--index) * 1.8);
	letter-spacing: calc(var(--index) / 7.5);
	transform: var(--main-article-transform);
	transition: var(--transition);
	will-change: transform;
	text-align:center;
}
.ana-konu__paragraf{
	max-width: calc(var(--index) * 30);
	font-size: calc(var(--index) * .9);
	margin-top: calc(var(--index) / 1.25);
	transform: var(--main-article-transform);
	transition: var(--transition);
	will-change: transform;
}
.icerik{
	will-change: transform;
}
.telif{
	position: absolute;
	bottom: calc(var(--index) * 2.5);
	opacity: .45;
	font-size: calc(var(--index) * .75);
	letter-spacing: calc(var(--index) / 37.5);
}