* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}
:root {
	--index: calc(1vw + 1vh);
	--text: #e7e7e0;
	--transition: transform .75s cubic-bezier(.075, .5, 0, 1);
}
@font-face {
	font-family: raleway_f;
	src: url(../fonts/Zabava_mari_chenak.ttf);
}
@font-face {
	font-family: raleway_f;
	src: url(../fonts/Zabava_mari_chenak.ttf);
	font-weight: 900;
}
body {
	background-color: #010101;
	font-family: raleway_f, sans-serif;
	line-height: 1.55;
}

.logo {
    display: flex;
    position: fixed;
    z-index: 1;
    width: 100%;
    top: 23px;
}

.logo img {
    width: 18vh;
    margin: 0 auto;
}

.main-header {
	position: relative;
}
.main-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);
}
.layers {
	height: 100vh;
	display: flex;
	align-items: center;
	justify-content: center;
	text-align: center;
	overflow: hidden;
	position: relative;
}
.layer {
	height: 100%;
	width: 100%;
	position: absolute;
	background-size: cover;
	background-position: center;
	will-change: transform;
	z-index: 2;
	transition: var(--transition);
}
.layers__base {
	transform: translate3d(0, calc(var(--scrollTop) / 1.6), 0);
	z-index: 0;
}
.layers__middle {
	transform: translate3d(0, calc(var(--scrollTop) / 2.5), 0);
	opacity: 0.9;
}
.layers__front {
	transform: translate3d(0, calc(var(--scrollTop) / 5.7), 0);
}
.layer__header {
	z-index: 3;
	transform: translate3d(0, calc(var(--scrollTop) / 2), 0);
	transition: var(--transition);
	will-change: transform;
	text-transform: uppercase;
	font-weight: 900;
	color: var(--text);
	text-shadow: 0 0 15px #000000;
}
.layers__title {
	font-size: calc(var(--index) * 2.65);
	letter-spacing: calc(var(--index) / 2.25);
}
.layers__caption {
	font-size: calc(var(--index) / 1.175);
	letter-spacing: calc(var(--index) / 3.5);
	margin-top: calc(var(--index) * -.75);
}
.main-article {
	--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: center;
	/* Update: */
	top: -1px;
	z-index: 10;
}

.main-article::after {
    content: '';
    position: absolute;
    z-index: 100;
    width: 100%;
    height: 100%;
    background-image: url(../img/ground2.png);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    bottom: -513px;
}

.main-article__header {
	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;
}
.main-article__paragraph {
	font-size: 30px;
	max-width: calc(var(--index) * 30);
	/* margin-top: calc(var(--index) / 1.25); */
	margin-top: 370px;
	transform: var(--main-article-transform);
	transition: var(--transition);
	will-change: transform;
	text-shadow: 1px 1px 0 #000, 2px 2px 5px rgba(0, 0, 0, 0.5)
}
.content {
	will-change: transform;
}
.copy {
	position: absolute;
	bottom: calc(var(--index) * 2.5);
	opacity: .45;
	font-size: calc(var(--index) * .75);
	letter-spacing: calc(var(--index) / 37.5);
}

.main-footer {
	position: relative;
	height: 100vh;
	overflow: hidden;
}

.main-footer .layers {
	height: 100%;
	position: relative;
}

.main-footer .layer {
	position: absolute;
	width: 100%;
	height: 100%;
	background-size: cover;
	background-position: center;
	will-change: transform;
}

.main-footer .layer__header {
	position: relative;
	z-index: 10;
	text-align: center;
	top: 40%;
	transform: translateY(-50%);
	color: #fff;
}

.layers__caption {
	margin-top: 15vh;
	font-size: 30px;
	letter-spacing: 5px;
	text-transform: uppercase;
}

.layers__title {
	font-size: 60px;
	font-weight: bold;
}

.footer {
    font-family: monospace;
    color: #fff;
    text-align: center;
    display: block;
}

.footer div{
    margin: 5px;
}