:root {
	/* colors */
	--interactive: #B73D24;
	--background_primary: #FFFFFF;
	--background_secondary: #F5F5F4;
	--background_caption: #282828;
	--background_overlay: rgba(40, 40, 40, 0.7);
	--background_overlay_active: rgba(40, 40, 40, 0.9);

	--text_dark: #282828;
	--text_light: #FFFFFF;
	
	--tagUX: #CDE091;
	--tagUI: #B7F5F3;
	--tagGamedesign: #FAE5B0;
	--tagResearch: #BBC8F0;
	--tagCoding: #F7A6A7;

	--shadow_1: rgba(50, 58, 40, 0.15);
	--shadow_2: rgba(50, 58, 40, 0.10);
	--shadow_3: rgba(50, 58, 40, 0.06);

	/* sizes */
	--border_radius: 8px;

	--distance_xs: 8px;
	--distance_s: 12px;
	--distance_m: 24px;
	--distance_l: 48px;
	--distance_xl: 96px;

	--text_max_width: 720px;
	--elements_max_width: 1440px;
  }

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

html {
	scroll-behavior: smooth;
}

body {
	font-size: 19px;
	color: var(--text_dark);
	background-color: var(--background_primary);
	font-family: "Nunito", sans-serif;
	width: 100%;
	padding: var(--distance_xl) var(--distance_l) var(--distance_l) var(--distance_l);
	margin: 0;
	text-align: center;
}

h1, h2, h3, h4, p {
	color: var(--text_dark);
	margin-top: 0px;
}
h1 {
	font-size: 100px;
	text-align: center;
	font-family: "Bitter", serif;
	font-weight: 400;
	margin-bottom: var(--distance_s);
}
h2 {
	font-size: 64px;
	text-align: center;
	font-family: "Bitter", serif;
	font-weight: 400;
	margin-bottom: var(--distance_s);
}
h3 {
	font-size: 48px;
	text-align: center;
	font-family: "Bitter", serif;
	font-weight: 200;
	margin-bottom: 12pt;
}
h4 {
	font-size: 33px;
	font-weight: 200;
	font-family: "Nunito", sans-serif;
	margin-bottom: 10pt;
}
p {
	margin-bottom: 8pt;
	text-align: justify;
	word-wrap: break-word;
	overflow-wrap: break-word;
	-webkit-hyphens: auto;
	-moz-hyphens: auto;
	hyphens: auto;
}
b {
	font-weight: 600;
}

a {
	color: 	var(--interactive);
	text-decoration: none;
}
a:hover {
	text-decoration: underline;
}

small {
	display: block;
	font-size: 12px;
	font-weight: 200;
	margin: 0 auto;
	max-width: var(--elements_max_width);
}
small.cookies {
	/* What's the point of small cookies? Cookie Monster would agree there is none.*/
	margin-bottom: 0;
	text-align: left;
}

ul {
	padding: 0 0 0 var(--distance_m);
	margin: 0 auto var(--distance_s) auto;
	list-style: circle;
	max-width: var(--text_max_width);
}
li {
	padding: 0;
	margin: 0 0 var(--distance_s) 0;
	text-align: justify;
	word-wrap: break-word;
	overflow-wrap: break-word;
	-webkit-hyphens: auto;
	-moz-hyphens: auto;
	hyphens: auto;
}

header {
	position: fixed;
	top: 0px;
	left: 50%;
	transform: translate(-50%, 0);
	background-color: var(--background_secondary);
	width: 100%;
	max-width: var(--elements_max_width);
	height: var(--distance_l);
	padding: 0 var(--distance_l);
	margin: 0 auto;
	border-radius: 0 0 var(--border_radius) var(--border_radius);
	overflow: auto;
	box-shadow: 0px 7px 8px -2px var(--shadow_1);
	z-index: 100;
	display: flex;
	flex-direction: row;
	flex-wrap: wrap;
	justify-content: flex-start;
	gap: var(--distance_l);
	box-shadow: 0px 3px 8px 0px var(--shadow_1), 0px 8px 16px 0px var(--shadow_2), 0px 10px 32px 0px var(--shadow_3);
}
header a {
	margin: 0;
	line-height: var(--distance_l);
}
header a:last-child {
	margin-left: auto;
}

body > div {
	width: 100%;
	margin: 0 auto;
}

section {
	margin:0px auto var(--distance_l) auto;
	width: 100%;
	max-width: var(--elements_max_width);
	padding: 0px var(--distance_l) var(--distance_s) var(--distance_l);
	background-color: var(--background_primary);
	border-radius: var(--border_radius);
}
section p:last-child {
	margin-bottom: 0px;
}
section h3, section p {
	max-width: var(--text_max_width);
	margin-left: auto;
	margin-right: auto;
}
section h3 {
	display: inline-block;
	position: relative;
	z-index: 1;
}
section h3:after {
	display: block;
	content:"";
	background-color: var(--background_primary);
	width: 100%;
	height: 100%;
	position: absolute;
	top:0px;
	left: 50%;
	transform: translate(-50%);
	z-index: -1;
}
section h3:before {
	max-width: var(--text_max_width);
	width: 100vw;
	height: 1px;
	display: block;
	content: "";
	position: absolute;
	left: 50%;
	top: 50%;
	background-color: var(--text_dark);
	z-index: -2;
	transform: translate(-50%);
}
section.hello p {
	text-align: center;
}
section.card {
	display: inline-block;
	width: auto;
	background-color: var(--background_secondary);
	padding: var(--distance_l) var(--distance_xl);
	box-shadow: 0px 3px 8px 0px var(--shadow_1), 0px 8px 16px 0px var(--shadow_2), 0px 10px 32px 0px var(--shadow_3);
}
section.card h3:before, section.card h3:after {
	display: none;
	content: none;
}

/* project panels */
.panel_holder {
	display: flex;
	flex-direction: row;
	justify-content: space-evenly;
	align-items: flex-start;
	flex-wrap: wrap;
	gap: var(--distance_s);
	text-align: left;
}
.panel_envelope {
	display: inline-block;
	width: 180px;
}
.panel {
	width: 180px;
	display: inline-block;
	border: 1px solid var(--interactive);
	border-radius: var(--border_radius);
	margin: 0;
	position: relative;
	overflow: hidden;
}
.panel img {
	display: block;
	margin:0;
	width: 100%;
	height: 100%;
}
.panel figure {
	margin: 0;
	width: 100%;
}
.panel figcaption {
	text-align: left;
	padding: 0 8px;
}
.panel:hover {
	border-width: 2px;
}
.panel:hover figcaption {
	text-decoration: underline;
}
.panel:hover:before {
	content: attr(title);
	background-color: var(--background_overlay);
	position: absolute;
	left:0;
	right:0;
	color: var(--text_light);
	padding: 20px 10px;
	text-align: left;
	height: 180px;
}
.panel:active:before {
	background-color: var(--background_overlay_active);
}
/*tags*/

.tag_holder {
	display: flex;
	flex-direction: row;
	justify-content: left;
	align-items: flex-start;
	flex-wrap: wrap;
	gap: var(--distance_xs);
	text-align: left;
}
span.tag {
	display: block;
	border-radius: var(--border_radius);
	padding: 0px var(--distance_xs);
}
.tag.tag_ux {
	background-color: var(--tagUX);
}
.tag.tag_ui {
	background-color: var(--tagUI);
}
.tag.tag_gamedesign {
	background-color: var(--tagGamedesign);
}
.tag.tag_research {
	background-color: var(--tagResearch);
}
.tag.tag_coding {
	background-color: var(--tagCoding);
}


/* images */

figure {
	width: 100%;
	max-width: var(--text_max_width);
	margin: var(--distance_m) auto var(--distance_m) auto;
	overflow: auto;
	text-align: left;
}
figure.img_vertical {
	width: 100%;
	max-width: calc(var(--text_max_width) / 2);
}

figure a {
	position: relative;
}
figure img {
	width: 100%;
	margin: 0;
	display: block;
}
figure iframe {
	width: 100%;
	aspect-ratio: 16 / 9;
}

figure figcaption {
	background-color: var(--background_caption);
	font-style: italic;
	font-weight: 200;
	padding: 0 var(--distance_s);
	color: var(--text_light);
	text-align: left;
}

figure:hover a:has(img):before {
	display: block;
	content: "";
	position: absolute;
	top: 0px;
	left: 0px;
	width: 100%;
	height: 100%;
	background-color: var(--background_overlay);
	z-index: 1;
}
figure:hover a:has(img):after {
	content: "Click to enlarge the image";
	position: absolute;
	top: 50%;
	width: 100%;
	transform: translate(0 -50%);
	color: var(--text_light);
	text-align: center;
	z-index: 2;
}

/* gallery */

div.gallery {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: var(--distance_l);
}
div.gallery.smaller {
	grid-template-columns: 1fr 1fr 1fr;
}
div.gallery figure {
	max-width: none;
	margin: 0 auto var(--distance_s) auto;
}

@media (max-width: 1290px) {
	h1 {
		font-size: 3.5em;
	}
	h2 {
		font-size: 2em;
	}
	h3 {
		font-size: 1.5em;
	}
	h4 {
		font-size: 1.2em;
	}

	section {
		padding: 0 0 var(--distance_s) 0;
		margin-bottom: var(--distance_m);
	}
	header {
		position: absolute;
		border-radius: 0;
	}
	section h3:before {
		width: calc(100vw - 2*var(--distance_l));
	}
}
@media (max-width: 920px) {
	div.gallery {
		grid-template-columns: 1fr;
	}
	div.gallery.smaller {
		grid-template-columns: 1fr;
	}
}

@media (max-width: 720px) {
	body {
		padding: var(--distance_xl) var(--distance_m) var(--distance_m) var(--distance_m);
		font-size: 18px;
	}

	h1 {
		font-size: 3em;
	}
	h2 {
		font-size: 2em;
	}
	h3 {
		font-size: 1.5em;
	}
	h4 {
		font-size: 1.2em;
	}

	header {
		padding: 0 var(--distance_m);
	}
	header a:last-child {
		margin-left: 0;
	}
	
	.panel_holder {
		justify-content: space-evenly;
	}

	section.card {
		padding: var(--distance_s) var(--distance_m);
	}
	
	section h3:before {
		width: calc(100vw - 2*var(--distance_m));
	}


	figure.img_vertical {
		max-width: 100%;
	}
}

@media (max-width: 500px) {

	header {
		height: auto;
		column-gap: var(--distance_m);
		row-gap: var(--distance_s);
	}
	
	p {
		text-align: left;
		word-wrap: normal;
		-webkit-hyphens: none;
		-moz-hyphens: none;
		hyphens: none;
	}
}

@media (max-width: 400px) {
	body {
		padding-top: calc(var(--distance_xl) + var(--distance_m));
	}
}