:root {
	--primer-color-accent: 255, 255, 0;
    --color-accent: yellow;

	--hue-accent: 0deg;

    --padding: 20px;
	--running-size: 80px;
	--header-search-size: var(--running-size);
}

/* # Cornerstones */

* {
	fill: inherit;
    color: inherit;
	margin: 0;
	font-size: inherit;
    box-sizing: border-box;
    font-family: "Roboto Mono", sans-serif;
}

::-webkit-scrollbar {
    display: none;
}

body {
    color: white;
	display: grid;
	font-size: 15px;
	overflow-x: hidden;
	min-height: 100svh;
	justify-items: center;
	background-color: black;
	grid-template-rows: var(--running-size) 1fr;
    overscroll-behavior: none;

	&::before {
		top: -5%;
		right: 0;
		width: 20%;
		height: 5%;
		opacity: 0;
		z-index: 1000;
		content: "";
		position: absolute;
		box-shadow:
			0 0 30svh 10svh rgba(var(--primer-color-accent), .2),
			0 0 30svh 60svh rgba(var(--primer-color-accent), .1),
			0 0 30svh 150svh rgba(var(--primer-color-accent), .02)
		;
		transition: 1s opacity;
		border-radius: 100%;
	}
}

a {
    color: inherit;
    display: contents;
    text-decoration: none;
}

/* # Components */

:is(h1, h2, h3, p, li) > a {
	--underline-tickness: 3px;

    display: initial;
    text-decoration: underline;
	text-underline-offset: var(--underline-tickness);
    text-decoration-color: var(--color-accent);
    text-decoration-thickness: var(--underline-tickness);

	@media (hover: hover) {
		&:hover {
			color: var(--color-accent);
			text-underline-offset: 1px;
			text-decoration-thickness: calc(var(--underline-tickness) * 2);
		}
	}
}

h1 {
	color: var(--color-accent);
	font-size: 30px;
}

h2 {
	font-size: 30px;
}

h3 {
	font-size: 25px;
}

/* ## Buttons */

button {
	fill: inherit;
	color: inherit;
	border: none;
	cursor: pointer;
	background-color: transparent;

	@media (hover: hover) {
		&:hover {
			border-color: rgba(255, 255, 255, .2);
			background-color: rgba(255, 255, 255, .1);
		}
	}

	&.inline {
		gap: 10px;
		fill: var(--color-accent);
		display: flex;
		padding: calc(var(--padding) / 1.5);
		background: linear-gradient(139deg, rgba(0, 0, 0, 0) 0%, rgba(var(--primer-color-accent), .1) 100%);
		align-items: center;
		border-radius: 7px;

		@media (hover: hover) {
			& {
				transition-duration: 300ms;
				transition-property: background-color, border-color, box-shadow, color, fill;
			}

			&:hover {
				fill: var(--color-accent);
				color: var(--color-accent);
			}
		}

		&:not(.solid) {
			box-shadow:
				0 0 0 2px rgba(var(--primer-color-accent), .1),
				10px 7px 40px 3px rgba(var(--primer-color-accent), .06)
			;

			@media (hover: hover) {
				&:hover {
					box-shadow:
						0 0 0 2px rgba(var(--primer-color-accent), 1),
						10px 7px 30px 3px rgba(var(--primer-color-accent), .07)
					;
				}
			}
		}

		&.solid {
			fill: black;
			color: black;
			border: solid 2px rgba(var(--primer-color-accent), 1);
			border-color: var(--color-accent);
			background-color: var(--color-accent);

			@media (hover: hover) {
				box-shadow: 0 -10px 20px 10px rgba(var(--primer-color-accent), .05);
				border-color: rgba(var(--primer-color-accent), .2);
				background-color: rgba(var(--primer-color-accent), .2);
			}
		}

		svg {
			flex: none;
			height: 1em;

			&:last-child {
				width: 1.5em;
				margin-left: auto;
			}

			&.chevron:last-child {
				transform: rotate(-90deg);
			}
		}
	}
}

/* ## Header */

header {
	--border-style: solid 1px rgba(255, 255, 255, .2);

	top: 0;
	width: 100%;
	height: var(--running-size);
	display: grid;
	z-index: 100;
	position: sticky;
	overflow: hidden;
	perspective: 3000px;
	align-items: stretch;
	border-bottom: var(--border-style);
	backdrop-filter: blur(20px);
	background-color: rgba(0, 0, 0, .8);
	grid-template-rows: var(--running-size);
	grid-template-columns: 1fr var(--header-search-size) var(--running-size);
	-webkit-backdrop-filter: blur(20px);

	/* TODO: this is ugly */
	&.searchboxActive > * {
		transform: rotateX(-180deg);
	}

	&.searchboxActive searchbox {
		transform: rotateX(0);
	}

	> * {
		--anim-3d-depth: 5px;
		--anim-3d-peek: 25deg;

		transform: rotateX(0deg);
		transition: 300ms background-color;
		box-shadow: 0 var(--anim-3d-depth) 0 0 rgba(255, 255, 255, .2);
		backface-visibility: hidden;

		/* enable 3d flip animation */
		@media not (prefers-reduced-motion: reduce) {
			& {
				--transform-duration: 600ms;

				transition: var(--transform-duration) transform, 300ms background-color;
			}
		}
	}

	nav {
		gap: calc(var(--padding) * 2);
		display: flex;
		padding: var(--padding);
		align-items: center;

		> p {
			white-space: nowrap;
		}

		.buttons {
			display: none;
		}
	}

	.logo {
		fill: none;

		.path.solid {
			@media (hover: hover) {
				.logo:hover & {
					fill: var(--color-accent);
				}
			}
		}

		path.stroke {
			fill: var(--color-accent);
		}
	}

	/* Don't show nested headers */
	header {
		.search {
			display: none;
		}
	}

	button {
		--icon-size: 25px;

		gap: var(--padding);
		fill: var(--color-accent);
		color: rgba(255, 255, 255, .5);
		width: 100%;
		cursor: pointer;
		display: grid;
		padding: var(--padding);
		font-size: 13px;
		border-left: var(--border-style);
		align-items: center;
		justify-items: center;
		grid-template-columns: 1fr;

		&:not(.logo) {
			svg {
				width: var(--icon-size);
			}
		}

		&.search {
			p {
				display: none;
			}

			@media (hover: hover) {
				@media not (prefers-reduced-motion: reduce) {
					header:not(.searchboxActive) &:hover,
					header:not(.searchboxActive) &:hover + button.logo {
						transform: rotateX(calc(var(--anim-3d-peek) * -1));
					}

					header:not(.searchboxActive) &:hover ~ searchbox {
						transform: rotateX(calc(180deg - var(--anim-3d-peek)));
					}
				}
			}
		}
	}

	/* TODO: custom element or div */
	searchbox {
		right: 0;
		width: 100%;
		height: var(--running-size);
		display: grid;
		position: absolute;
		transform: rotateX(180deg);
		box-shadow: none;
		align-items: stretch;
		background-color: var(--color-accent);
		grid-template-rows: var(--running-size);
		grid-template-columns: 1fr var(--running-size);

		> * {
			box-shadow: 0 calc(var(--anim-3d-depth) * -1) 0 0 rgba(var(--primer-color-accent), .8);
		}

		button {
			fill: black;
			transition: 300ms background-color, 300ms border-color;
			border-color: rgba(0, 0, 0, .1);

			@media (hover: hover) {
				& {
					background-color: rgba(0, 0, 0, .08);
				}
			}
		}

		input {
			color: black;
			border: none;
			padding: 0 var(--padding);
			outline: none;
			background-color: transparent;

			&::placeholder {
				color: rgba(0, 0, 0, .5);
			}
		}
	}
}

/* ## vv-shell */

vv-shell {
	width: 100%;
	padding: calc(var(--padding) * 1.5);
	position: relative;
	max-width: 1000px;
}

/* ## Search results */

search-results {
	gap: var(--padding);
	top: var(--running-size);
	right: 0;
	width: 100%;
	height: calc(100svh - var(--running-size));
	padding: var(--padding);
	display: flex;
	opacity: 0;
	z-index: 50;
	position: fixed;
	transform: scale(.99);
	overflow-y: scroll;
	transition: 500ms opacity, 300ms transform;
	pointer-events: none;
	flex-direction: column;
	background-color: black;
	transform-origin: 100% 0;

	.searchboxActive ~ & {
		opacity: 1;
		pointer-events: all;
		transform: scale(1);
	}

	section {
		.search {
			display: none;
		}
	}

	.info {
		gap: var(--padding);
		margin: auto;
		display: flex;
		align-items: center;
		flex-direction: column;

		:is(svg, img) {
			fill: var(--color-accent);
			width: 60px;
		}
	}
}

/* # Size queries */

@media (min-width: 700px) {
	:root {
		--header-search-size: 250px;
	}

	/* # Cornerstones */

	body::before {
		left: 0;
		right: unset;
		box-shadow:
			0 0 30svh 10svh rgba(var(--primer-color-accent), .1),
			0 0 30svh 60svh rgba(var(--primer-color-accent), .05),
			0 0 30svh 150svh rgba(var(--primer-color-accent), .02)
		;
	}

	/* ## Header */

	header nav {
		margin: 0 calc(var(--padding) / 2);
	}

	header > button.search {
		grid-template-columns: var(--icon-size) 1fr;
	}

	header > button.search p {
		display: initial;
	}

	header.searchboxActive > nav {
		transform: rotateX(0deg);
		pointer-events: all;
	}

	/* ### Searchbox */

	header searchbox {
		width: calc(var(--header-search-size) + var(--running-size));
	}

	/* ### Menu */

	/* Move the search box to the header */
	header > button.search {
		display: grid;
		justify-items: baseline;
	}

	@media (min-height: 600px) {
		search-results {
			top: calc(var(--running-size) + var(--padding));
			width: 50%;
			height: calc(100svh - 100px);
			box-shadow:
				inset 0 0 100px 200px rgba(0, 0, 0, 1),
				0 0 100px 200px rgba(0, 0, 0, 1)
			;
			backdrop-filter: blur(15px);
			background-color: rgba(0, 0, 0, .8);
			--webkit-backdrop-filter: blur(15px);
		}
	}
}

@media (min-width: 900px) {
	header {
		.buttons {
			gap: 10px;
			width: 100%;
			display: grid;
			white-space: nowrap;
			align-items: center;
			grid-template-columns: repeat(3, 100px);

			button {
				border: dashed 1px rgba(255, 255, 255, .3);
				padding: 13px var(--padding);
				transition: 100ms border;
				border-radius: 6px;

				&:hover {
					border-color: var(--color-accent);
					background-color: transparent;
				}

				:is(
					[vv-page="/work"] a[href="/work"],
					[vv-page="/about"] a[href="/about"],
					[vv-page="/contact"] a[href="/contact"]
				) & {
					color: var(--color-accent);
					border-style: solid;
					border-color: var(--color-accent);
				}
			}
		}
	}
}