* { box-sizing: border-box; }
/*-------------------------------------------------------------------
*
* Variables: Defaults
* 
-------------------------------------------------------------------*/
:root {
	--font-family: Riegla, -apple-system, system-ui, sans-serif;
	--font-family-monospace: 'Spline Sans Mono', Menlo, Monaco, Courier New, Courier, monospace;

	--font-size--large: clamp(1.375rem, 1.3235rem + 0.2353vw, 1.5rem);
	--font-size--default: clamp(1.125rem, 3vw, 1.25rem);
	--font-size--small: clamp(0.875rem, 3vw, 1rem);
	--font-size--extrasmall: 0.875rem;

	--font-size-h1: clamp(1.875rem, 1.1029rem + 3.5294vw, 3.75rem);
	--font-size-h2: clamp(1.625rem, 1.4706rem + 0.7059vw, 2rem);
	--font-size-h5: var(--font-size--extrasmall);

	--syntax-tab-size: 2;

	--container-wide: 75rem; /* 1200px */
	--container-narrow: 50rem; /* 800px */

	--padding-xs: 0.313rem; /* 5px */
	--padding-s: 0.625rem; /* 10px */
	--padding-m: 1.25rem; /* 20px */
	--padding-l: 1.875rem; /* 30px */
	--padding-xl: 3.75rem; /* 60px */

	--spacing-xs: 8px;
	--spacing-s: 15px;
	--spacing-m: 30px;
	--spacing-l: 60px;
	--spacing-xl: 90px;
	--spacing-xxl: 120px;

	--radius-small: 6px;
	--radius-default: 20px;
	--radius-l: 40px;
	--radius-circle: 100px;
}

/*-------------------------------------------------------------------
*
* Variables: Light Theme
* 
-------------------------------------------------------------------*/
:root {
	--color-surf-mist: hsl(51.4, 20.6%, 86.7%);
	--color-black-cockatoo: hsl(240, 14.3%, 13.7%);
	--color-koala: hsl(0, 0%, 34.5%);
	--color-waterlands: hsl(66, 24.6%, 23.9%);
	--color-gumnut: hsl(60, 15.3%, 71.8%);
	--color-ghost-gum: hsl(45, 23.5%, 93.3%);
	--color-bark: hsl(45, 24%, 80.4%);
	--color-golden-wattle: hsl(47.4, 93.3%, 41.2%);
	--color-blue-gum: hsl(208, 10.3%, 71.6%);
	--color-outback-soil-light-mode: hsl(9.6, 47.9%, 33.1%);
	--color-outback-soil-dark-mode: hsl(10, 47.7%, 58%);

	--background-color: var(--color-ghost-gum);

	--text-color-default: var(--color-black-cockatoo);
	--text-color-secondary: var(--color-koala);
	--text-color-accent: var(--color-outback-soil-light-mode);

	--text-color-link: var(--color-waterlands);

	--border-color: var(--color-blue-gum);

	--callout-background: var(--color-gumnut);
	--callout-heading: var(--color-waterlands);

	--selection-background: var(--color-gumnut);

	--button-background-default: var(--color-outback-soil-light-mode);
	--button-background-hover: hsl(9.6, 47.9%, 23.1%);
	--button-text-color: var(--color-ghost-gum);
	--button-focus: var(--color-outback-soil-light-mode);
}

/*-------------------------------------------------------------------
*
* Variables: Dark Theme
* 
-------------------------------------------------------------------*/

@media (prefers-color-scheme: dark) {
	:root {

		--text-color-default: var(--color-ghost-gum);
		--text-color-secondary: var(--color-bark);
		--text-color-accent: var(--color-outback-soil-dark-mode);
		--text-color-link: var(--color-waterlands);

		--text-color-link: var(--color-golden-wattle);

		--background-color: var(--color-black-cockatoo);
		--border-color: var(--color-bark);

		--callout-background: var(--color-waterlands);
		--callout-heading: var(--color-gumnut);

		--selection-background: var(--color-koala);

		--button-background-default: var(--color-golden-wattle);
		--button-background-hover: hsl(47.4, 93.3%, 46%);
		--button-text-color: var(--color-black-cockatoo);
		--button-focus: var(--color-golden-wattle);
	}

	.not-found h1 {
		color: var(--color-black-cockatoo);
	}
}

/*-------------------------------------------------------------------
*
* Typography
* 
-------------------------------------------------------------------*/
::selection {
	background-color: var(--selection-background);
}

@font-face {
  font-family: 'Spline Sans Mono';
	font-weight: 400;
  src: url('/fonts/SplineSansMono-Regular.woff2') format('woff2');
	font-display: swap;
}

@font-face {
  font-family: 'Spline Sans Mono';
	font-weight: 700;
  src: url('/fonts/SplineSansMono-Bold.woff2') format('woff2');
	font-display: swap;
}

@font-face {
  font-family: Riegla;
	font-weight: 400;
  src: url('/fonts/Riegla-Regular.woff2') format('woff2');
	font-display: swap;
}

@font-face {
  font-family: Riegla;
	font-weight: 600;
  src: url('/fonts/Riegla-Bold.woff2') format('woff2');
	font-display: swap;
}

@font-face {
  font-family: Riegla;
	font-weight: 700;
  src: url('/fonts/Riegla-Black.woff2') format('woff2');
	font-display: swap;
}

* {
	box-sizing: border-box;
}

html,
body {
	padding: 0;
	margin: 0 auto;
	font: var(--font-size--default)/1.4 var(--font-family);
	color: var(--text-color-default);
	background-color: var(--background-color);
	text-rendering: optimizeLegibility;
}
html {
	overflow-y: scroll;
	font-size: 100%;
}
body {
	padding: 0 var(--padding-m);
	max-width: var(--container-wide);
}

/* https://www.a11yproject.com/posts/how-to-hide-content/ */
.visually-hidden {
	clip: rect(0 0 0 0);
	clip-path: inset(50%);
	height: 1px;
	overflow: hidden;
	position: absolute;
	white-space: nowrap;
	width: 1px;
}

h2, h5 {
	line-height: 1.2;
}

h1, h2, h3 {
	text-wrap: balance;
}

h3 + h5 {
	color: var(--text-color-accent);
	margin-bottom: var(--spacing-m);
}

h5 ~ h3, h2 ~ h3 {
	margin: 0;
}

h1 {
	font-size: var(--font-size-h1);
	line-height: 1.1;
	margin: 0 0 var(--spacing-m) 0;
}

h1 span,
h4 {
	color: var(--text-color-accent);
}

h2 {
	font-size: var(--font-size-h2);
}

h4, h5, time {
	text-transform: uppercase;
}

h4 {
	margin: 0;
	font-size: var(--font-size--default);
	width: 100%;
}

h5, time, figcaption {
	font-family: var(--font-family-monospace);
	font-size: var(--font-size-h5);
	letter-spacing: 0.5px;
}

h5, time {
	margin: 0;
}

h2, h3, p, ul, ol, blockquote, table {
	margin: 0 0 var(--spacing-m) 0;
}

p:last-child {
	margin-bottom: 0;
}

.introduction,
blockquote {
	font-size: var(--font-size--large);
}

blockquote {
	padding-left: var(--padding-m);
	border-left: 5px solid var(--text-color-accent);
}

figcaption {
	color: var(--text-color-secondary);
}

figure > figcaption {
	margin-top: var(--spacing-s);
	margin-bottom: var(--spacing-s);
}

a[href] {
	color: var(--text-color-link);

	&:focus {
		outline: 3px solid var(--text-color-accent);
	}
}

main a[href]:hover {
	text-decoration: none;
}

hr {
	border: none;
	background-color: var(--border-color);
	height: 1px;
	margin: var(--spacing-m) 0;
}

/*-------------------------------------------------------------------
*
* Journal: Next & Prev Links
* 
-------------------------------------------------------------------*/
.links-nextprev {
	margin-top: var(--spacing-l);
	border-top: 1px solid var(--border-color);
	padding: var(--padding-xl) 0 0 0;

	div {
		flex: 1 1 auto;
		position: relative;
	}

	.links-prev {
		padding-left: var(--padding-xl);
		margin-bottom: var(--spacing-l);

		.icon-arrow {
			left: 0;
		}
	}

	.links-next {
		text-align: right;
		padding-right: var(--padding-xl);

		.icon-arrow {
			right: 0;
		}
	}

	.icon-arrow {
		position: absolute;
		top: calc(50% - 16px);
	}
}

.links-nextprev h5 {
	color: var(--text-color-accent);
}

@media screen and (min-width: 64rem) {
	.links-nextprev {
		display: flex;
		align-items: flex-start;
	}

	.links-prev {
		margin: 0;
	}
}

/*-------------------------------------------------------------------
*
* Table
* 
-------------------------------------------------------------------*/

table td,
table th {
	padding-right: 1em;
}

table th {
	text-align: left;
	padding-bottom: var(--padding-l);
}

table td {
	font-size: var(--font-size--small);
	padding-bottom: var(--padding-s);
}

table th,
table tr td:nth-of-type(1) {
	font-family: var(--font-family-monospace);
	font-size: var(--font-size--extrasmall);
	text-transform: uppercase;
	font-weight: 600;
}

table tr td:nth-of-type(1) {
	color: var(--text-color-accent);
	width: 240px;
}

@media (max-width: 60rem) {
	table tr td:nth-of-type(1) {
		width: auto;
		padding-right: var(--padding-m);
	}
}

/*-------------------------------------------------------------------
*
* Code
* 
-------------------------------------------------------------------*/
pre,
code {
	font-family: var(--font-family-monospace);
	font-size: var(--font-size--small);
}
pre:not([class*="language-"]) {
	margin: .5em 0;
	line-height: 1.375; /* 22px /16 */
	-moz-tab-size: var(--syntax-tab-size);
	-o-tab-size: var(--syntax-tab-size);
	tab-size: var(--syntax-tab-size);
	-webkit-hyphens: none;
	-ms-hyphens: none;
	hyphens: none;
	direction: ltr;
	text-align: left;
	white-space: pre;
	word-spacing: normal;
	word-break: normal;
}
code {
	word-break: break-all;
	color: var(--text-color-secondary);
}

/*-------------------------------------------------------------------
*
* Images & Media
* 
-------------------------------------------------------------------*/

figure {
	margin: 0 0 var(--spacing-m) 0;
}

@media screen and (min-width: 64rem) {
	figure {
		margin: var(--spacing-l) -100px;
	}	
}

picture, img {
	max-width: 100%;
	display: block;
}

img, video {
	margin: 0 auto;
	height: auto;
	border-radius: var(--radius-small);
}

/*-------------------------------------------------------------------
*
* Header
* 
-------------------------------------------------------------------*/
header {
	display: flex;
	gap: var(--spacing-s);
	flex-wrap: wrap;
	align-items: center;
	padding: var(--padding-m) 0;
	justify-content: space-between;
}

header p {
	margin: 0;
}

@media (max-width: 60rem) {
	header {
		justify-content: center;
	}
}

.home-link[href],
.nav-item a {
	font-weight: 600;
	color: var(--text-color-default);
}

.home-link:link:not(:hover),
.nav-item a[href]:not(:hover) {
	text-decoration: none;
}

/*-------------------------------------------------------------------
*
* Navigation
* 
-------------------------------------------------------------------*/
.nav {
	display: flex;
	padding: 0;
	margin: 0;
	list-style: none;
}
.nav-item {
	display: inline-block;
	font-weight: 600;
	margin-right: var(--spacing-s);
}

.nav-item a {
	display: block;
	padding: var(--padding-xs);
}

.nav a[href][aria-current="page"] {
	text-decoration: underline;
}

/* Introduction */
.page-header {
	margin: var(--spacing-l) 0 var(--spacing-xl) 0;
	text-align: center;

	time {
		color: var(--text-color-secondary);
	}
}


.not-found {
	margin-top: var(--spacing-m);
	border-radius: var(--radius-default);
	background: no-repeat url("../img/ocean.jpg") center center;

	h1 {
		mask-image: linear-gradient(to top, transparent 40%, black 100%);
	}
}
	
@media screen and (max-width: 64rem) {

	.page-header {
		margin: var(--spacing-m) 0 var(--spacing-l) 0;
	}
}

/*-------------------------------------------------------------------
*
* Containers
* 
-------------------------------------------------------------------*/
main {
	margin-bottom: var(--spacing-l);
	
	ul li {
		margin-bottom: var(--spacing-s);
	}
}

.content-narrow {
	width: var(--container-narrow);
	margin: 0 auto;
}

@media screen and (max-width: 64rem) {
	.content-narrow {
		width: 100%;
	}

	main {
		margin: 0;
	}
}

/*-------------------------------------------------------------------
*
* Footer
* 
-------------------------------------------------------------------*/
footer {
	padding: var(--padding-l) 0;
	font-size: var(--font-size--small);
	row-gap: var(--spacing-l);
}

footer p,
footer nav,
footer div {
	flex-basis: calc(50% - (var(--spacing-l)));
}

footer, footer nav {
	display: flex;
	flex-wrap: wrap;
	column-gap: var(--spacing-xxl);
	justify-content: space-around;
	align-items: flex-start;
}

footer nav ul {
	margin: 0;
}

@media screen and (max-width: 64rem) {
	footer p,
	footer nav,
	footer div {
		flex-basis: 100%;
	}

	footer {
		text-align: center;
		row-gap: var(--spacing-m);
	}

	footer nav {
		column-gap: var(--spacing-m);
	}
}

@media screen and (min-width: 64rem) {
	footer .site-controls {
		text-align: right;
	}
}

footer a[href]:not(:hover) {
	text-decoration: none;
	color: var(--text-color-default);
}

footer .copyright {
	color: var(--text-color-secondary);
	margin: 0;
}

footer .mark {
	font-size: clamp(2.5rem, 2.2426rem + 1.1765vw, 3.125rem);
	line-height: 1;
}

footer ul {
	padding: 0;
}

footer li {
	list-style: none;
}

footer li:not(:last-child) {
	margin-bottom: var(--spacing-xs);
}

@media screen and (min-width: 47rem) {
	.profile-photo {
		max-width: 325px;
		float: left;
		margin: 0 var(--spacing-m) 0 0;
	}
}

/*-------------------------------------------------------------------
*
* Buttons
* 
-------------------------------------------------------------------*/

.button, .button[href] {
	text-decoration: none;
	font-weight: 600;
	cursor: pointer;
	display: inline-block;
	border-radius: var(--radius-l);
	background-color: var(--button-background-default);
	color: var(--button-text-color);
	padding: var(--padding-s) var(--padding-m);

	&:hover {
		transition: all 200ms ease-in;
		background-color: var(--button-background-hover);
	}
}

.button, .button[href], .button-outlined {
	&:focus {
		outline-offset: 2px;
		outline: 2px solid var(--button-focus);
	}
}

.button-outlined {
	font-size: var(--font-size--small);
	line-height: 1;
	color: var(--text-color-secondary);
	border-radius: var(--radius-default);
	background-color: var(--background-color);
	border: 1px solid var(--border-color);
	padding: var(--padding-xs) var(--padding-s);
	text-decoration: none;
	
	&:hover {
		color: var(--text-color-default);
		border-color: var(--text-color-default);
	}
}

/*-------------------------------------------------------------------
*
* Journal Article
* 
-------------------------------------------------------------------*/
article .page-header + p {
	&:first-of-type::first-letter {
		font-size: 200px;
		float: left;
		font-weight: 600;
		margin-top: var(--spacing-xs);
		margin-right: var(--spacing-m);
		margin-bottom: var(--spacing-m);
		color: var(--text-color-accent);
	}
}

article hr {
	background-color: transparent;
	height: 26px;
	margin: var(--spacing-l) 0;
	color: var(--text-color-secondary);
	position: relative;

	&::after {
		position: absolute;
		left: 50%;
		top: 0;
		content: '⁂';
	}
}

@media screen and (max-width: 48rem) {
	article .page-header + p {
		&:first-of-type::first-letter {
			font-size: 100px;
			margin-right: var(--spacing-s);
			margin-bottom: var(--spacing-s);
		}
	}
}

/*-------------------------------------------------------------------
*
* Callouts
* 
-------------------------------------------------------------------*/
.callout {
	display: flex;
	flex: 1 1;
	align-items: center;
	justify-content: space-between;
	gap: var(--spacing-m);
	background-color: var(--callout-background);
	padding: var(--padding-m);
	border-radius: var(--radius-default) 0 var(--radius-default) 0;

	a[href]:hover {
		text-decoration: underline;
	}
}

.cutout {
	background-color: var(--background-color);
	border-radius: var(--radius-default);
	margin: -80px auto 0 auto;
	text-align: center;
	width: 50%;
}

@media screen and (max-width: 60rem) {
	.not-found h1 {
		padding: var(--padding-s);
	}

	.cutout {
		width: 95%;
	}
}

.case-study-promo {
	position: relative;
	margin-bottom: var(--spacing-l);

	.cutout {
		text-align: left;
		padding: var(--padding-l) var(--padding-m);
	}

	h2 {
		margin-bottom: var(--spacing-s);
	}

	h5 {
		color: var(--text-color-accent);
	}
}

@media (max-width: 48rem) {
	.case-study-promo {

		.cutout {
			margin-top: -5rem;
		}
	}
}

@media (max-width: 70rem) {
	.case-study-promo {
		margin-bottom: var(--spacing-m);

		.cutout {
			position: relative;
			width: 92%;
			left: auto;
			right: auto;
			margin-top: -8rem;
			padding: var(--padding-m);
		}
	}
}

@media (min-width: 70rem) {
	.case-study-promo {
		
		.cutout {
			position: absolute;
			top: 45%;
			left: -60px;
			width: 420px;
		}

		&:nth-child(3) {
			.cutout {
				left: 10%;
				top: auto;
				bottom: 0;
				width: 650px;
				border-bottom-left-radius: 0;
				border-bottom-right-radius: 0;
			}
		}
	}
}

.callout-outlined {
	border: 1px solid var(--border-color);
	border-radius: var(--radius-default);
	background-color: inherit;
	width: calc((100%/3) - (var(--spacing-m)));
	align-items: normal;
	flex-direction: column;
	flex: 1 2 auto;
}

@media (max-width: 48rem) {
	.callout-outlined,
	.testimonial {
		width: 100%;
	}
}

.callout:has(.button) {
	margin: var(--spacing-m) 0;
	padding: var(--padding-l);
}

.callout .text-link {
	font-size: var(--font-size--large);
	color: var(--text-color-default);
	line-height: 1.2;
}

.callout .text-link:not(:hover) {
	text-decoration: none;
}

.callout div:has(a:hover) ~ div .icon-arrow {
	translate: -10px;
	transition: translate 200ms ease-in-out;
}

.callout-outlined div:has(a:hover) ~ div .icon-arrow  {
	translate: 10px;
}

.callout h5 {
	color: var(--callout-heading);
	margin-bottom: var(--spacing-xs);
}

.callout-container, .testimonial-container {
	display: flex;
	align-content: center;
	flex-wrap: wrap;
	gap: var(--spacing-m);
	margin: var(--spacing-m) 0;
	margin-top: -50px;
}

.callout-container:has(.callout-outlined), .testimonial-container {
	margin: var(--spacing-m) 0;
}

@media screen and (min-width: 64rem) {
	.callout-container:has(.callout-outlined), .testimonial-container {
		margin: var(--spacing-l) calc((var(--spacing-xl)) * -1);
	}	
}

/*-------------------------------------------------------------------
*
* Icon: Arrow
* 
-------------------------------------------------------------------*/
.icon-arrow {
	display: block;
	width: 32px;
	height: 32px;
	color: var(--callout-heading);
	border-radius: var(--radius-circle);
	border: 1px solid var(--callout-heading);
	text-align: center;
	font-size: var(--font-size--large);
	line-height: 31px;
}

/*-------------------------------------------------------------------
*
* Journal: Post List
* 
-------------------------------------------------------------------*/
.postlist-header {
	margin-bottom: var(--spacing-l);
	color: var(--text-color-accent);
}

.postlist {
	list-style: none;
	padding: 0;
}

.postlist-item {
	padding-bottom: var(--spacing-m);
	margin-bottom: var(--spacing-m);

	h3 {
		margin: 0;
	}

	&:not(:last-of-type) {
		border-bottom: 1px solid var(--border-color);
	}
}

/*-------------------------------------------------------------------
*
* Tags
* 
-------------------------------------------------------------------*/
.tags-list li {
	display: inline-block;
	margin-right: var(--spacing-xs);
	margin-bottom: var(--spacing-s);
}

/*-------------------------------------------------------------------
*
* Header Links
* 
-------------------------------------------------------------------*/
.header-anchor {
	text-decoration: none;
	font-style: normal;
	font-size: inherit;
	margin-left: var(--spacing-xs);
}
a[href].header-anchor,
a[href].header-anchor:visited {
	color: transparent;
}
a[href].header-anchor:focus,
a[href].header-anchor:hover {
	text-decoration: underline;
}
a[href].header-anchor:focus,
:hover > a[href].header-anchor {
	color: var(--text-color-secondary);
}

/*-------------------------------------------------------------------
*
* Media: Speaking Photos
* 
-------------------------------------------------------------------*/

.speaking-photos {
	margin: var(--spacing-m) 0;

	figure {
		position: relative;
		margin-right: 0;
		margin-left: 0;
	}
	
	.button-outlined {
		position: absolute;
		left: 20px;
		top: 20px;
	}
}

@media screen and (min-width: 64rem) {
	.speaking-photos {
		display: flex;
		flex-wrap: nowrap;
		margin: var(--spacing-l) calc((var(--spacing-xl)) * -1);
	
		figure {	
			margin: 0;
	
			&:hover {
				cursor: pointer;
				opacity: 1;
				z-index: 10;
				transition: all 300ms ease-in-out;
				transform: scale(1.1);
			}
		}
	
		figure:nth-child(2), figure:nth-child(3) {
			margin-left: -200px;
		}
	
		figure:first-child, figure:nth-child(2) {
			filter: grayscale(80%);
	
			&:hover {
				filter: none;
			}
		}
	}	
}

/*-------------------------------------------------------------------
*
* Media: Avatars
* 
-------------------------------------------------------------------*/
.avatar {
	display: inline-block;
	border: 1px solid var(--border-color);

	&.avatar-default {
		width: 160px;
		height: 160px;

		picture {
			padding: var(--spacing-xs);
		}
	}

	&.avatar-small {
		width: 50px;
		height: 50px;

		picture {
			padding: calc(var(--spacing-xs)/2);
		}
	}
}

.avatar, .avatar img {
	border-radius: var(--radius-circle);
}

.name-and-photo {
	display: flex;
	flex-wrap: wrap-reverse;
	justify-content: center;
	text-align: center;

	figure {
		margin: 0 auto var(--spacing-m) auto;
	}

	* {
		width: 100%;
	}

	.introduction p {
		margin: 0;

		&:nth-of-type(2) {
			color: var(--text-color-secondary);
		}
	}
}

@media screen and (min-width: 64rem) {
	.name-and-photo {
		flex-wrap: nowrap;
		justify-content: space-betwen;
		text-align: left;
		align-items: center;

		figure {
			margin: 0;
		}

		div:has(figure) {
			text-align: right;
		}
	}
}

/*-------------------------------------------------------------------
*
* Webring
* 
-------------------------------------------------------------------*/

.webring {
	border: 1px solid var(--border-color);
	border-radius: var(--radius-default);
	display: flex;
	flex-direction: row;
	align-items: stretch;
	overflow: clip;

	&:first-of-type {
		margin-bottom: var(--spacing-m);
	}

	a {
		display: block;
		text-align: center;
		flex: calc(100% - 100px);
		padding: var(--padding-m) var(--padding-m);
		text-decoration: none;
		display: flex;
		flex-direction: column;
		justify-content: center;

		&:not(:nth-child(2)) {
			flex-basis: 50px;
		}

		&:not(:last-child) {
			border-right: 1px solid var(--border-color);
		}

		&:hover {
			background-color: light-dark(var(--color-surf-mist), var(--color-koala));
			transition: all 0.2s ease-in;
		}
	}

	h3 {
		margin: 0;
	}
}


/*-------------------------------------------------------------------
*
* Testimonials
* 
-------------------------------------------------------------------*/

.testimonial {
	border: 1px solid var(--border-color);
	border-radius: var(--radius-default);
	flex: 1 2 auto;
	display: flex;
	flex-direction: column;
	align-content: space-between;

	> div {
		padding: var(--spacing-m);
	}

	.author p:first-child {
		margin: 0;
	}

	.author p:nth-child(2) {
		color: var(--text-color-secondary);
	}

	figure {
		margin: 0 var(--spacing-s) 0 0;
	}

	.author {
		display: flex;
		padding: var(--spacing-m);
		border-top: 1px solid var(--border-color);
		font-size: var(--font-size--small);
		font-family: var(--font-family-monospace);
	}
}

@media screen and (min-width: 60rem) {
	.testimonial {
		width: calc((100%/2) - (var(--spacing-m)));
	}
}

.toc {
	margin-bottom: var(--spacing-l);

	h5 {
		text-align: center;
		margin-bottom: var(--spacing-s);
	}

	ol {
		counter-reset: toc;
		list-style-type: none;
		padding: 0;
	}

	li {
		display: flex;
		align-items: baseline;
		margin-bottom: var(--spacing-xs);
	}

	li::before {
		counter-increment: toc;
		content: counter(toc);
		font-variant-numeric: tabular-nums; 
		font-size: var(--spacing-s);
		border: 1px solid var(--text-color-default);
		border-radius: var(--radius-circle);
		width: 20px;
		height: 20px;
		text-align: center;
		vertical-align: middle;
		line-height: 20px;
	}
	
	li span {
		display: inline-block;
		flex-grow: 4;
		border-bottom: 2px dotted var(--border-color);
	}
}

/*-------------------------------------------------------------------
*
* Journal: Table of Contents
* 
-------------------------------------------------------------------*/
.summary-numerals {
	padding: 0;
	display: flex;
	flex-wrap: wrap;
	gap: var(--spacing-m);

	li {
		list-style-type: none;
		flex: 1 1 auto;
		width: calc((100% / 2) - (var(--spacing-s)));
		font-size: var(--font-size--small);
	}

	strong {
		display: block;
		font-size: var(--font-size-h1);
		font-variant-numeric: tabular-nums;
		color: var(--text-color-accent);
		line-height: 1;
	}
}

@media screen and (min-width: 68rem) {
	.summary-numerals {
		li {
			width: calc((100% / 3) - (var(--spacing-m)));
			font-size: inherit;
		}
	}
}

/*-------------------------------------------------------------------
*
* Media: Gallery
* 
-------------------------------------------------------------------*/
.gallery {
	display: flex;
	flex-wrap: wrap;
	gap: var(--spacing-m);
	justify-content: center;
	margin-bottom: var(--spacing-l);

	p {
		margin: 0;
	}
}

@media screen and (min-width: 68rem) {
	.gallery p {
		width: calc(50% - (var(--spacing-s)));	
	}
}

/*-------------------------------------------------------------------
*
* Library
* 
-------------------------------------------------------------------*/

.year-navigation {
	border-top: 1px solid oklch(from var(--border-color) l c h / 0.5);
	border-bottom: 1px solid oklch(from var(--border-color) l c h / 0.5);
	text-align: center;

	a {
		display: inline-block;
		padding: var(--padding-s) 0;
		position: relative;
		font-size: var(--font-size--small);

		&:not(:last-child) {
			margin-right: var(--spacing-m);
			
			&:after {
				content: "/";
				position: absolute;
				top: var(--padding-s);
				right: -20px;
				color: oklch(from var(--border-color) l c h / 0.5);
			}
		}

		&.current {
			color: var(--text-color-accent);
			font-weight: 600;
		}
	}

	span {
		opacity: 0.7;
	}
}

.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
	gap: 1px;
  margin-bottom: var(--spacing-m);
}

.book-card {
	position: relative;
	background-color: var(--background-color);
	padding: var(--spacing-m);
	text-align: center;
	border-bottom: 1px solid oklch(from var(--border-color) l c h / 0.5);

	&:last-of-type {
		border-right: 0;
	}

	p {
		margin-bottom: 0;
	}

	p:last-of-type {
		color: var(--text-color-secondary);
		font-size: var(--font-size--small);
	}

	img {
		margin: 0 auto;
		margin-bottom: var(--spacing-s);
		aspect-ratio: 2 / 3;
		border-radius: 0;

		&:hover ~ .favourite {
				animation:pulse 1s infinite;
			}
		}

	.favourite {
		position: absolute;
		top: 5px;
		right: 10px;
		line-height: 1;
		font-size: var(--font-size-h2);
		color: light-dark(var(--color-outback-soil-light-mode), var(--color-outback-soil-dark-mode));
	}
}

@media screen and (min-width: 40rem) and (max-width: 62rem) {
	.book-card:nth-child(2n+1) {
		border-right: 1px solid oklch(from var(--border-color) l c h / 0.5);
	}
}

@media screen and (min-width: 63rem) {
	.book-card {
		border-right: 1px solid oklch(from var(--border-color) l c h / 0.5);

		&:nth-child(3n+3) {
			border-right: 0;
		}
	}
}

@keyframes pulse {
	10% {transform: scale(1.2)}
}