*,
*::after,
*::before {
	box-sizing: border-box;
}

:root {
	font-size: 15px;
}

body {
	margin: 0;
	--color-text: white;
	--color-bg: black;
	--color-1: blue;
	--color-2: purple;
	--color-link: white;
	--color-link-hover: white;
	color: var(--color-text);
	background-color: var(--color-bg);
	font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Helvetica, Arial, sans-serif;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

/* Page Loader */
.js .loading::before,
.js .loading::after {
	content: '';
	position: fixed;
	z-index: 1000;
}

.js .loading::before {
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: var(--color-bg);
}

.js .loading::after {
	top: 50%;
	left: 50%;
	width: 60px;
	height: 60px;
	margin: -30px 0 0 -30px;
	border-radius: 50%;
	opacity: 0.4;
	background: var(--color-1);
	animation: loaderAnim 0.7s linear infinite alternate forwards;

}

@keyframes loaderAnim {
	to {
		opacity: 1;
		transform: scale3d(0.5,0.5,1);
	}
}

a {
	text-decoration: none;
	color: var(--color-link);
	outline: none;
	border-bottom: 1px dashed var(--color-2);
}

a:hover {
	color: var(--color-link-hover);
	outline: none;
	border-bottom: 1px solid white;
}

/* Better focus styles from https://developer.mozilla.org/en-US/docs/Web/CSS/:focus-visible */
a:focus {
	/* Provide a fallback style for browsers
	 that don't support :focus-visible */
	outline: none;
	background: lightgrey;
}

a:focus:not(:focus-visible) {
	/* Remove the focus indicator on mouse-focus for browsers
	 that do support :focus-visible */
	background: transparent;
}

a:focus-visible {
	/* Draw a very noticeable focus style for
	 keyboard-focus on browsers that do support
	 :focus-visible */
	outline: 2px solid red;
	background: transparent;
}

.frame {
	padding: 3rem 5vw;
	text-align: center;
	position: relative;
	z-index: 1000;
}

.frame__title {
	font-size: 1rem;
	margin: 0 0 1rem;
	font-weight: 500;
}

.frame__links {
	display: inline;
}

.frame__links a:not(:last-child),
.frame__demos a:not(:last-child) {
	margin-right: 1rem;
}

.frame__demos {
	margin: 1rem 0;
}

.frame__demo--current,
.frame__demo--current:hover {
	color: var(--color-text);
}

.content {
	width: 100%;
	height: calc(100vh - 13rem);
}

@media screen and (min-width: 53em) {
	.frame {
		position: fixed;
		text-align: left;
		z-index: 100;
		top: 0;
		left: 0;
		display: grid;
		align-content: space-between;
		width: 100%;
		max-width: none;
		height: 100vh;
		padding: 1.75rem;
		pointer-events: none;
		grid-template-columns: 66% 34%;
		grid-template-rows: auto auto auto;
		grid-template-areas: 'title links'
							'... ...'
							'... demos';
	}
	.frame__title-wrap {
		align-self: center;
		grid-area: title;
		display: flex;
	}
	.frame__title {
		margin: 0;
	}
	.frame__tagline {
		position: relative;
		margin: 0 0 0 1rem;
		padding: 0 0 0 1rem;
		opacity: 0.5;
	}
	.frame__demos {
		margin: 0;
		grid-area: demos;
		justify-self: end;
	}
	.frame__links {
		grid-area: links;
		padding: 0;
		justify-self: end;
	}
	.frame a {
		pointer-events: auto;
	}
	.content {
		height: 100vh;
	}
}
