html, body {
	width: 100%;
	overflow: hidden;
	margin: 0 !important;
	padding: 0 !important;

	height: 100vh;
	height: calc(var(--vh));
}
* {
    box-sizing: border-box;
}
*, article, div, footer, header, p, section {
    margin: 0;
    padding: 0;
}
.container {
    width: 100vw;
	height: 100vh;
	height: calc(var(--vh));
}
.loading-container {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	margin: 30px 0;
	min-height: 200px;
}
.spinner {
	width: 70px;
	height: 70px;
	border: 7px solid rgba(255, 255, 255, 0.3);
	border-radius: 50%;
	border-top-color: #4facfe;
	animation: spin 1s linear infinite;
	margin-bottom: 20px;
}
.loading-text {
	font-size: 1.5rem;
	font-weight: bold;
	margin-bottom: 15px;
	color: #4facfe;
}
.progress-container {
	width: 80%;
	max-width: 400px;
	height: 15px;
	background: rgba(255, 255, 255, 0.1);
	border-radius: 10px;
	overflow: hidden;
}
.progress-bar {
	height: 100%;
	width: 0%;
	background: linear-gradient(90deg, #4facfe, #00f2fe);
	border-radius: 10px;
	transition: width 1s ease;
}
.hidden {
	display: none;
}
#ifb {
	z-index: -2;
	width: 100%;
	height: 100%;
	position: absolute;
	top: 0;
	left: 0;
	background-color: #fff;
}
#pf {
	z-index: 1;
	width: 100%;
	height: 100%;
	position: absolute;
	top: 0;
	left: 0;
}
#frm {
	width: 100%;
	height: 100vh;
	height: calc(var(--vh));
	position: relative;
}
.substratum {
	z-index: -2;
	position: absolute;
}