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

:root {
	font-size: 18px;
	--color-text: #99928a;
	--color-bg: #181817;
	--color-link: #aa7f2d;
	--color-link-hover: #fff;
	--page-padding: 1rem;
}

body {
	margin: 0;
	color: var(--color-text);
	background-color: var(--color-bg);
	font-family: area-normal,-apple-system, BlinkMacSystemFont, Segoe UI, Helvetica, Arial, sans-serif;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	overflow-x: hidden;
	background-image: url(../img/bg1.jpg);
	background-size: cover;
	background-attachment: fixed;
	background-repeat: no-repeat;
	background-position: 50% 50%;
}

.demo-2 {
	--color-text: #ecdfeb;
	--color-bg: #704f6d;
	--color-link: #fff;
	--color-link-hover: #ecdfeb;
	font-family: "norman-variable", sans-serif;
	font-variation-settings: "wght" 400;
	background-image: url(../img/bg2.jpg);
}

.demo-3 {
	--color-text: #3a3330;
	--color-bg: #a59d9a;
	--color-link: #0f0a09;
	--color-link-hover: #3a3330;
	font-family: "marlide-display-variable", sans-serif;
	font-variation-settings: "wght" 340;
	background-image: url(../img/bg3.jpg);	
}

.demo-4 {
	--color-text: #fff;
	--color-bg: #000;
	--color-link: #c88768;
	--color-link-hover: #fff;
	font-family: "kudryashev-d-excontrast", sans-serif;
	font-weight: 300;
	background-image: url(../img/bg4.jpg);	
}

/* 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-link);
	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;
	cursor: pointer;
}

a:hover {
	color: var(--color-link-hover);
	outline: none;
}

/* 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;
}

.unbutton {
	background: none;
	border: 0;
	padding: 0;
	margin: 0;
	font: inherit;
	cursor: pointer;
}

.unbutton:focus {
	outline: none;
}

main {
	counter-reset: section;
}

.splitting .word {
	white-space: nowrap;
}

.frame {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	color: var(--color-title);
	padding: var(--page-padding);
	font-size: 13px;
	font-weight: 400;
	background: linear-gradient(to bottom, var(--color-bg), transparent);
	display: grid;
	grid-template-columns: 100%;
	grid-template-areas: 'title' 'demos' 'credits' 'sponsor';
	justify-content: start;
	align-content: space-between;
	align-items: start;
	z-index: 100;
	pointer-events: none;
	grid-gap: 0.5rem;
	font-style: normal;
	font-family: area-normal,-apple-system, BlinkMacSystemFont, Segoe UI, Helvetica, Arial, sans-serif;
}

.frame a {
	pointer-events: auto;
}

.frame a:not(.frame__demo) {
	white-space: nowrap;
	overflow: hidden;
	position: relative;
}

.frame a:not(.frame__demo)::before {
	content: '';
	height: 1px;
	width: 100%;
	background: currentColor;
	position: absolute;
	top: 90%;
	transition: transform 0.3s;
	transform-origin: 0% 50%;
}

.frame a:not(.frame__demo):hover::before {
	transform: scaleX(0);
	transform-origin: 100% 50%;
}

.frame__title {
	grid-area: title;
	display: flex;
	align-items: flex-end;
}

.frame strong {
	font-weight: 800;
}

.frame__title-main {
	font-size: inherit;
	margin: 0;
	font-weight: inherit;
}

.frame__demos {
	grid-area: demos;
	display: grid;
	grid-auto-flow: column;
	justify-content: start;
	gap: 1rem;
}

.frame__demo {
	padding: 0.25rem 0.5rem 0.45rem;
	line-height: 1;
	text-align: center;
	min-width: 1.55rem;
}

.frame__demo--current {
	font-weight: bold;
	border: 1px solid;
	border-radius: 50%;
	color: var(--color-link-hover);
}

.frame__credits {
	grid-area: credits;
	display: flex;
	gap: 1rem;
}

.intro {
	height: 100vh;
    display: grid;
    grid-template-rows: 1fr auto;
    align-content: space-around;
	padding: var(--page-padding);
}

.intro__title {
	font-size: clamp(2rem,7vw,5rem);
	line-height: 1;
	margin: auto 0;
	position: relative;
}

.intro__title--medium {
	font-size: clamp(2rem,9vw,6rem);
}

.intro__title--big {
	font-size: clamp(2rem,11vw,8rem);
}

.text-gradient {
	background: linear-gradient(33deg, #4f361685 0%,rgb(231 217 185 / 68%) 100%);
    background-size: cover;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
}

.text-centered {
	text-align: center;
}

.text-right {
	text-align: right;
}

.centered {
	margin-right: auto;
	margin-left: auto;
}

.intro__info {
	position: relative;
	max-width: 250px;
	opacity: 0.6;
	line-height: 1.2;
	margin-bottom: 1rem;
	padding: 1rem;
	align-self: end;
}

.intro__info::after {
	content: '';
	position: absolute;
	left: 0%;
	width: 1px;
	height: 200vh;
	background: linear-gradient(to bottom,var(--color-text),transparent);
	top: 0;
}

.intro__info.centered::after {
	height: 4rem;
	left: 50%;
	top: 100%;
}

.broad.intro__info::after {
	width: 3px;
	left: calc(50% - 3px);
} 

.larger {
	font-size: 1.5rem;
}

.content {
	width: 100vw;
	position: relative;
	padding: var(--page-padding);
	padding-top: 50vh;
}

.content--left {
	padding-left: 3rem;
}

.upper {
	text-transform: uppercase;
}

.content__title {
	font-size: clamp(1.5rem,3.5vw,4rem);
	line-height: 1.2;
	max-width: 1000px;
}

.narrow {
	max-width: 800px;
}

.w400 {
	font-weight: 400;
}

.w600 {
	font-weight: 600;
}

.content__title--smaller {
	font-size: clamp(1rem,2.75vw,3rem);
}

.content__text {
	max-width: 600px;
	margin: 0;
}

.content__text--small {
	font-weight: 600;
	font-size: 13px;
}

.heart::before {
	content: '❤';
	position: absolute;
	width: 100%;
	left: 0;
	top: 130%;
	text-align: center;
	font-size: 65vh;
	-webkit-text-stroke: 1px var(--color-text);
    text-stroke: 1px var(--color-text);
    opacity: 0.5;
    -webkit-text-fill-color: transparent;
    text-fill-color: transparent;
    color: transparent;	
}

@media screen and (min-width: 53em) {
	:root {
		--page-padding: 1.5rem 1.5rem;
	}
	.frame { 
		background: none;
		height: 100vh; 
		grid-gap: 2rem;
		grid-template-columns: auto auto 1fr;
		grid-template-rows: auto auto;
		grid-template-areas: 'title demos sponsor' '... ... credits';
	}
	.frame__demos,
	.frame__credits {
		justify-self: end;
	}
}