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

* {
  box-sizing: border-box;
}

body {
  background: url('https://i.redd.it/bwtmgb168k651.jpg');
  background-size: cover;
  display: grid;
  grid-template-columns: repeat(var(--grid-size), 1fr);
  grid-template-rows: repeat(var(--grid-size), 1fr);
  min-height: 100vh;
  font-family: sans-serif, system-ui;
}

:root {
	--grid-size: 20;
}

[popover] {
	position: fixed;
	inset: 0;
	margin: 0;
	width: unset;
	height: unset;
	border: 0;
	display: none;
	background: transparent;
}

[popover]:popover-open {
	display: block;
}

.fake-nav {
	position: fixed;
	height: 2rem;
	left: 0;
	right: 0;
	display: flex;
	align-items: center;
	background: hsl(0 0% 90% / 0.75);
	backdrop-filter: blur(4px);
	translate: 0 -100%;
	view-transition-name: nav;
}

.fake-nav ul {
	display: flex;
	list-style-type: none;
	align-items: center;
	gap: 1rem;
	padding: 0 1rem;
}

.bear-logo {
	height: 1rem;
}

[data-exposed=true] .fake-nav {
	translate: 0 0;
}

.expose {
	position: fixed;
	inset: 0;
	z-index: 10;
	padding: 0;
}

a {
	text-decoration: none;
}

a span {
	font-weight: bold;
	background: hsl(0 0% 80% / 0.75);
	backdrop-filter: blur(4px);
	padding: 0.5rem 1rem;
	border-radius: 0.25rem;
	opacity: 0;
	color: hsl(0 0% 20%);
	text-decoration: none;
}

a:is(:hover, :focus-visible) span {
	opacity: 1;
}

.expose > ul {
	padding: 0;
	margin: 0;
	height: 100%;
	width: 100%;
	display: grid;
	grid-template-columns: repeat(var(--grid-size), 1fr);
	grid-template-rows: repeat(var(--grid-size), 1fr);
	list-style-type: none;
}

.expose li {
	display: grid;
	place-items: center;
	grid-area: var(--y, 1) / var(--x, 1) / span var(--span, 1) / span var(--span, 1);
}

li a {
	height: 100%;
	width: 100%;
	display: grid;
	place-items: center;
}

h2 {
	font-size: clamp(3rem, 4vw + 1rem, 10rem);
	text-align: center;
}

section {
	overflow: hidden;
	grid-column: 1 / -1;
	grid-row: 1 / -1;
	position: relative;
}

[data-current=true] { z-index: 2; }

body > button {
	view-transition-name: launch;
	position: fixed;
	bottom: 2rem;
	left: 50%;
	translate: -50% 0;
	border-radius: 50%;
	aspect-ratio: 1;
	z-index: 10;
	border: 0;
	display: grid;
	place-items: center;
	cursor: pointer;
	width: 48px;
	box-shadow: 0rem 0.5rem 1rem hsl(0 0% 0% / 0.5);
}

body > button:is(:focus-visible) {
	outline: 0.3rem solid hsl(210 100% 60%);
	outline-offset: 0.25em;
}

[data-exposed=true] > button {
	translate: -50% 200%;
}

body > button svg {
	width: 75%;
	fill: hsl(0 0% 10%);
}

.sr-only {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border-width: 0;
}


nav li:hover a,
nav a:focus-visible {
	outline: 0.3rem solid hsl(210 100% 60%);
	outline-offset: 0.25em;
}

[data-exposed=true] section {
	grid-area: var(--y, 1) / var(--x, 1) / span var(--span, 1) / span var(--span, 1);
	overflow: hidden;
	position: relative;
	filter: drop-shadow(0.5rem 1rem 1rem hsl(0 0% 10% / 0.75));
}

[data-exposed=true] .section__content {
	scale: calc((1 / var(--grid-size)) * var(--span, 1));
	position: absolute;
	top: 0%;
	left: 0%;
	translate: 0% 0%;
	transform-origin: 0% 0;
}

.section__content {
	width: 100vw;
	min-height: 100vh;
	border-radius: 1rem;
	background: hsl(0 0% 10%);
	overflow: hidden;
	position: relative;
	display: grid;
	place-items: center;
	align-content: center;
	gap: 1rem;
	color: hsl(0 0% 98%);
	padding: 1rem;
}

p {
	width: 66ch;
	max-width: 100%;
	text-align: center;
}

h2 {
	margin: 0;
	line-height: 1.5;
	background: linear-gradient(90deg, hsl(0 0% 50%), hsl(0 0% 98%), hsl(0 0% 50%));
	color: transparent;
	background-clip: text;
}

h2 span {
	font-weight: 300;
	font-size: 0.65em;
	font-variant: small-caps;
}

section:nth-of-type(even) .section__content {
	background: hsl(0 0% 100%);
	color: hsl(0 0% 10%);
}
section:nth-of-type(even) .section__content h2 {
	background: linear-gradient(90deg, hsl(0 0% 50%), hsl(0 0% 8%), hsl(0 0% 50%));
	color: transparent;
	background-clip: text;
}

.section__header {
	height: 2rem;
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	background: hsl(0 0% 90%);
	display: flex;
	padding: 0 1rem;
	align-items: center;
	gap: 0.5rem;
}

.section__header span {
	height: 40%;
	border: 1px solid hsl(0 0% 50%);
	aspect-ratio: 1;
	background: hsl(0 0% 80%);
	border-radius: 50%;
}

.section__header span:nth-of-type(1) {
	background: hsl(10 100% 50%);
}
.section__header span:nth-of-type(2) {
	background: hsl(45 100% 70%);
}
.section__header span:nth-of-type(3) {
	background: hsl(150 100% 40%);
}
/* Home */
:is(li, section):nth-of-type(4) {
	--hue: 150;
	--x: 11;
	--y: 7;
	--span: 8;
}
/* Projects */
:is(li, section):nth-of-type(2) {
	--hue: 210;
	--x: 2;
	--y: 2;
	--span: 5;
}
/* Contact */
:is(li, section):nth-of-type(3) {
	--hue: 280;
	--x: 13;
	--y: 2;
	--span: 4;
}
/* Writing */
:is(li, section):nth-of-type(1) {
	--hue: 320;
	--x: 2;
	--y: 10;
	--span: 8;
}
/* Links */
:is(li, section):nth-of-type(5) {
	--hue: 20;
	--x: 14;
	--y: 16;
	--span: 4;
}