* {
	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/raleway-regular.woff2);
}

@font-face {
	font-family: raleway_f;
	src: url(../fonts/raleway-black.woff2);
	font-weight: 900;
}

body {
	background-color: #010101;
	font-family: raleway_f, sans-serif;
	line-height: 1.55;
}

.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);
}

.layers__front {
	transform: translate3d(0, calc(var(--scrollTop) / 5.7), 0);
}

.layer__header {
	z-index: 1;
	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 #9d822b;
}

.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);
	margin-top: -10%;
}

.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__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 {
	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;
}

.content {
	width: 100%;
	will-change: transform;
}

.copy {
	font-size: 80%;
	bottom: calc(var(--index) * -0.1);
	letter-spacing: calc(var(--index) / 37.5);
}

/* Modern TOP button */
.toTop {
	background: rgba(0, 210, 255, 0.15) !important;
	border: 1px solid rgba(0, 210, 255, 0.4) !important;
	backdrop-filter: blur(12px) !important;
	color: transparent !important;
	box-shadow: 0 0 15px rgba(0, 210, 255, 0.3) !important;
	font-size: 0 !important;
	bottom: 40px !important;
	right: 40px !important;
	width: 60px !important;
	height: 60px !important;
	transition: all 0.3s ease !important;
	border-radius: 50% !important;
	display: flex !important;
	justify-content: center !important;
	align-items: center !important;
}

.toTop:hover {
	background: rgba(0, 210, 255, 0.35) !important;
	box-shadow: 0 0 25px rgba(0, 210, 255, 0.6) !important;
	transform: translateY(-8px) scale(1.05) !important;
}

.toTop::after {
	content: '' !important;
	width: 14px !important;
	height: 14px !important;
	border-top: 3px solid #fff !important;
	border-right: 3px solid #fff !important;
	transform: translate(-30%, 15%) rotate(-45deg) !important;
	background: none !important;
	position: absolute !important;
	top: 40% !important;
	left: 40% !important;
	opacity: 1 !important;
}