/* ==========================================================================
   RSACS theme
   ========================================================================== */

:root {
	--paper: #ffffff;
	--mist: #f1f3f6;
	--ink: #1c2440;
	--text: #23262f;
	--muted: #5d6370;
	--rule: #d8dce3;
	--accent: #9b2c2c;

	--font: "Source Serif 4", Georgia, "Times New Roman", serif;
	--wrap: 72rem;
	--measure: 42rem;
	--gutter: clamp(1rem, 4vw, 2.5rem);
	--date-col: 9.5rem;
}

/* Base
   ========================================================================== */

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

html {
	-webkit-text-size-adjust: 100%;
	text-size-adjust: 100%;
}

body {
	/* Column layout keeps the footer at the bottom on short pages */
	display: flex;
	flex-direction: column;
	/* WordPress shifts the page down by the admin bar height and sets it in --wp-admin--admin-bar--height */
	min-height: calc(100vh - var(--wp-admin--admin-bar--height, 0px));
	min-height: calc(100dvh - var(--wp-admin--admin-bar--height, 0px));
	margin: 0;
	background: var(--paper);
	color: var(--text);
	font-family: var(--font);
	font-size: 1.125rem;
	line-height: 1.65;
	font-optical-sizing: auto;
	font-variant-numeric: oldstyle-nums proportional-nums;
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6 {
	color: var(--ink);
	font-weight: 600;
	line-height: 1.2;
	margin: 0;
	text-wrap: balance;
}

p {
	margin: 0;
	text-wrap: pretty;
}

a {
	color: var(--ink);
	text-decoration-thickness: 1px;
	text-underline-offset: 0.18em;
}

a:hover {
	color: var(--accent);
}

:focus-visible {
	outline: 2px solid var(--accent);
	outline-offset: 2px;
}

img,
video,
iframe {
	max-width: 100%;
}

img {
	height: auto;
}

.screen-reader-text {
	position: absolute !important;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0 0 0 0);
	white-space: nowrap;
	border: 0;
}

.skip-link:focus {
	position: fixed !important;
	top: 0.5rem;
	left: 0.5rem;
	z-index: 1000;
	width: auto;
	height: auto;
	margin: 0;
	padding: 0.5rem 1rem;
	clip: auto;
	background: var(--ink);
	color: var(--paper);
}

.wrap {
	width: 100%;
	max-width: var(--wrap);
	margin-inline: auto;
	padding-inline: var(--gutter);
}

.site-main {
	flex: 1 0 auto;
}

.site-main:focus {
	outline: none;
}

/* Header
   ========================================================================== */

.site-header__inner {
	display: flex;
	flex-wrap: wrap;
	align-items: flex-end;
	justify-content: space-between;
	gap: 1rem 2rem;
	padding-block: 1.75rem 1.25rem;
}

.site-branding {
	display: flex;
	align-items: center;
	gap: 1rem;
}

.site-branding .custom-logo {
	display: block;
	width: auto;
	max-height: 4rem;
}

.site-title {
	font-size: 2rem;
	font-weight: 650;
	line-height: 1;
	letter-spacing: 0.02em;
}

.site-title a {
	color: var(--ink);
	text-decoration: none;
}

.site-description {
	margin-top: 0.35rem;
	color: var(--muted);
	font-style: italic;
	font-size: 1.0625rem;
	line-height: 1.3;
}

.site-tools {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.75rem 1.5rem;
}

@media (max-width: 40em) {
	.site-tools {
		width: 100%;
		justify-content: space-between;
	}

	.site-tools .search-form {
		flex: 1;
		min-width: 9rem;
	}

	.site-tools .search-form__field {
		width: 100%;
	}
}

/* Language switcher (markup from mu-plugins/language-switcher.inc) */
.site-languages .wpm-language-switcher {
	display: flex;
	gap: 1rem;
	margin: 0;
	padding: 0;
	list-style: none;
	font-size: 1rem;
}

.site-languages .wpm-language-switcher a {
	color: var(--ink);
}

.site-languages .wpm-language-switcher .active {
	font-weight: 650;
}

.site-languages .wpm-language-switcher li:not(.active) > span {
	color: var(--muted);
	opacity: 0.6;
}

/* Search */
.search-form {
	display: flex;
	align-items: center;
	border-bottom: 1px solid var(--rule);
}

.search-form:focus-within {
	border-bottom-color: var(--ink);
}

.search-form__field {
	width: 12rem;
	min-width: 0;
	padding: 0.35rem 0;
	border: 0;
	background: transparent;
	color: var(--text);
	font: inherit;
	font-size: 1rem;
}

.search-form__field:focus {
	outline: none;
}

.search-form__field::-webkit-search-cancel-button {
	display: none;
}

.search-form__submit {
	display: grid;
	place-items: center;
	width: 2.25rem;
	height: 2.25rem;
	padding: 0;
	border: 0;
	background: transparent;
	color: var(--ink);
	cursor: pointer;
}

.search-form__submit:hover {
	color: var(--accent);
}

/* Navigation
   ========================================================================== */

.primary-nav {
	border-block: 1px solid var(--rule);
	font-size: 1.0625rem;
}

.primary-nav .menu,
.primary-nav .sub-menu {
	margin: 0;
	padding: 0;
	list-style: none;
}

.primary-nav a {
	display: block;
	color: var(--ink);
	text-decoration: none;
}

.primary-nav a:hover,
.primary-nav .current-menu-item > a,
.primary-nav .current-menu-ancestor > a {
	color: var(--accent);
}

.primary-nav .menu-item {
	position: relative;
}

.submenu-toggle {
	display: grid;
	place-items: center;
	padding: 0;
	border: 0;
	background: transparent;
	color: var(--muted);
	cursor: pointer;
}

.submenu-toggle::before {
	content: "";
	width: 0.45rem;
	height: 0.45rem;
	border-right: 1.5px solid currentColor;
	border-bottom: 1.5px solid currentColor;
	transform: translateY(-25%) rotate(45deg);
}

.submenu-toggle[aria-expanded="true"]::before {
	transform: translateY(25%) rotate(-135deg);
}

.menu-toggle {
	display: none;
	align-items: center;
	gap: 0.6rem;
	padding: 0.75rem 0;
	border: 0;
	background: transparent;
	color: var(--ink);
	font: inherit;
	cursor: pointer;
}

.menu-toggle__icon,
.menu-toggle__icon::before,
.menu-toggle__icon::after {
	display: block;
	width: 1.125rem;
	height: 1.5px;
	background: currentColor;
}

.menu-toggle__icon {
	position: relative;
}

.menu-toggle__icon::before,
.menu-toggle__icon::after {
	content: "";
	position: absolute;
	left: 0;
}

.menu-toggle__icon::before {
	top: -0.35rem;
}

.menu-toggle__icon::after {
	top: 0.35rem;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__icon {
	background: transparent;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__icon::before {
	top: 0;
	transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__icon::after {
	top: 0;
	transform: rotate(-45deg);
}

/* Desktop: horizontal bar with dropdown panels */
@media (min-width: 60em) {
	.primary-nav .menu {
		display: flex;
		flex-wrap: wrap;
		column-gap: 1.75rem;
	}

	.primary-nav .menu > .menu-item {
		display: flex;
		align-items: center;
		gap: 0.15rem;
	}

	.primary-nav .menu > .menu-item > a {
		padding-block: 0.8rem;
	}

	.primary-nav .submenu-toggle {
		width: 1.5rem;
		height: 1.5rem;
	}

	.primary-nav .sub-menu {
		position: absolute;
		z-index: 50;
		top: 100%;
		left: -1rem;
		display: none;
		min-width: 17rem;
		padding-block: 0.5rem;
		border: 1px solid var(--rule);
		border-top: 2px solid var(--ink);
		background: var(--paper);
		font-size: 1rem;
	}

	.primary-nav .sub-menu .menu-item {
		display: flex;
		align-items: center;
		justify-content: space-between;
		padding-right: 0.5rem;
	}

	.primary-nav .sub-menu a {
		flex: 1;
		padding: 0.4rem 1rem;
	}

	.primary-nav .sub-menu .sub-menu {
		top: -0.5rem;
		left: 100%;
	}

	.primary-nav .sub-menu .submenu-toggle::before {
		transform: translateX(-25%) rotate(-45deg);
	}

	.primary-nav .menu-item:hover > .sub-menu,
	.primary-nav .menu-item.is-open > .sub-menu {
		display: block;
	}

	/* Nested panels that would overflow the viewport open to the left (class set by navigation.js) */
	.primary-nav .sub-menu .sub-menu.opens-left {
		left: auto;
		right: 100%;
	}
}

/* Mobile: collapsible list */
@media (max-width: 59.99em) {
	.menu-toggle {
		display: inline-flex;
	}

	.primary-nav .menu {
		display: none;
		padding-bottom: 1rem;
	}

	.primary-nav.is-open .menu {
		display: block;
	}

	.primary-nav .menu-item {
		display: grid;
		grid-template-columns: 1fr auto;
		align-items: center;
	}

	.primary-nav .menu-item > a {
		padding-block: 0.55rem;
	}

	.primary-nav .submenu-toggle {
		width: 2.75rem;
		height: 2.75rem;
	}

	.primary-nav .sub-menu {
		display: none;
		grid-column: 1 / -1;
		padding-left: 1rem;
		border-left: 1px solid var(--rule);
	}

	.primary-nav .menu-item.is-open > .sub-menu {
		display: block;
	}

	.primary-nav .menu > .menu-item {
		border-top: 1px solid var(--rule);
	}
}

/* Home: forthcoming conference
   ========================================================================== */

.lead {
	background: var(--mist);
	border-bottom: 1px solid var(--rule);
}

.lead__inner {
	display: grid;
	gap: 0.5rem 3rem;
	padding-block: clamp(2rem, 5vw, 4rem);
}

.lead--numbered .lead__inner {
	grid-template-columns: minmax(0, auto) minmax(0, 1fr);
	align-items: start;
}

.lead__numeral {
	color: var(--ink);
	font-size: clamp(5.5rem, 2rem + 13vw, 12rem);
	font-weight: 300;
	font-variation-settings: "opsz" 60;
	font-variant-numeric: normal;
	letter-spacing: -0.01em;
	line-height: 0.78;
	border-top: 6px solid var(--accent);
	padding-top: 1.25rem;
}

.lead__body {
	max-width: var(--measure);
}

.lead--numbered .lead__body {
	padding-top: 1.25rem;
}

.lead__kicker {
	font-style: italic;
	color: var(--muted);
}

.lead__kicker a {
	color: inherit;
}

.lead__title {
	margin-top: 0.5rem;
	font-size: clamp(1.75rem, 1.2rem + 2vw, 2.6rem);
	font-weight: 600;
	line-height: 1.12;
}

.lead__title a {
	color: inherit;
	text-decoration: none;
}

.lead__title a:hover {
	color: var(--accent);
}

.lead__date {
	margin-top: 0.75rem;
	color: var(--muted);
}

.lead__summary {
	margin-top: 1rem;
}

.lead__more {
	margin-top: 1.5rem;
}

.button {
	display: inline-block;
	padding: 0.6rem 1.25rem;
	background: var(--ink);
	color: var(--paper);
	text-decoration: none;
	font-weight: 550;
}

.button:hover {
	background: var(--accent);
	color: var(--paper);
}

@media (max-width: 40em) {
	.lead--numbered .lead__inner {
		grid-template-columns: 1fr;
	}

	.lead__numeral {
		justify-self: start;
	}

	.lead--numbered .lead__body {
		padding-top: 0.5rem;
	}
}

/* Lists of posts: chronicle
   ========================================================================== */

.page-body {
	padding-block: clamp(2rem, 4vw, 3.5rem) clamp(3rem, 6vw, 5rem);
}

.section-title {
	margin-bottom: 1.5rem;
	padding-left: calc(var(--date-col) + 2rem);
	font-size: 1.5rem;
}

.page-header {
	margin-bottom: 2.5rem;
	padding-left: calc(var(--date-col) + 2rem);
}

.page-title {
	font-size: clamp(2rem, 1.4rem + 2.2vw, 3rem);
	line-height: 1.1;
}

.page-description {
	max-width: var(--measure);
	margin-top: 1rem;
	color: var(--muted);
}

.page-header .search-form {
	max-width: 24rem;
	margin-top: 1.5rem;
}

.page-header .search-form__field {
	flex: 1;
}

.entry-row {
	display: grid;
	grid-template-columns: var(--date-col) minmax(0, var(--measure));
	column-gap: 2rem;
	padding-block: 1.5rem;
	border-top: 1px solid var(--rule);
}

.entry-row__date {
	display: flex;
	flex-direction: column;
	padding-top: 0.2rem;
	color: var(--muted);
	font-size: 1rem;
	line-height: 1.35;
	text-align: right;
}

.entry-row__year {
	color: var(--ink);
	font-variant-numeric: lining-nums;
}

.entry-row__title {
	font-size: 1.375rem;
	line-height: 1.25;
}

.entry-row__title a {
	color: inherit;
	text-decoration: none;
}

.entry-row__title a:hover {
	color: var(--accent);
}

.entry-row__summary {
	margin-top: 0.5rem;
}

.entry-row__summary p {
	margin: 0;
}

.entry-row__categories {
	margin-top: 0.5rem;
	color: var(--muted);
	font-size: 0.9375rem;
	font-style: italic;
}

.entry-row__categories a {
	color: inherit;
}

@media (max-width: 40em) {
	.section-title,
	.page-header {
		padding-left: 0;
	}

	.entry-row {
		grid-template-columns: 1fr;
	}

	.entry-row__date {
		flex-direction: row;
		gap: 0.3em;
		margin-bottom: 0.25rem;
		text-align: left;
	}
}

/* Conference index on year archives */
.conference-index {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(7rem, 1fr));
	column-gap: 1.5rem;
	max-width: 52rem;
	margin: 2rem 0 0;
	padding: 0;
	list-style: none;
	border-top: 1px solid var(--rule);
}

.conference-index a {
	display: flex;
	flex-direction: column;
	padding: 0.7rem 0;
	border-bottom: 1px solid var(--rule);
	text-decoration: none;
}

.conference-index__numeral {
	color: var(--ink);
	font-size: 1.375rem;
	font-weight: 500;
}

.conference-index__numeral {
	line-height: 1.2;
}

.conference-index__year {
	color: var(--muted);
	font-size: 0.9375rem;
	font-variant-numeric: lining-nums;
}

.conference-index a:hover .conference-index__numeral,
.conference-index a:hover .conference-index__year {
	color: var(--accent);
}

.category-index {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem 1.5rem;
	margin: 1.5rem 0 0;
	padding: 0;
	list-style: none;
}

/* Pagination */
.pagination {
	margin-top: 2.5rem;
	padding-left: calc(var(--date-col) + 2rem);
}

.pagination .nav-links {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.25rem 1rem;
}

.pagination .page-numbers.current {
	font-weight: 650;
	color: var(--ink);
}

@media (max-width: 40em) {
	.pagination {
		padding-left: 0;
	}
}

.no-results {
	max-width: var(--measure);
}

.no-results .search-form {
	max-width: 24rem;
	margin-top: 1.5rem;
}

.not-found > p {
	max-width: var(--measure);
	margin-top: 1rem;
	padding-left: calc(var(--date-col) + 2rem);
}

.not-found > .search-form {
	max-width: 24rem;
	margin: 1.5rem 0 0 calc(var(--date-col) + 2rem);
}

@media (max-width: 40em) {
	.not-found > p {
		padding-left: 0;
	}

	.not-found > .search-form {
		margin-left: 0;
	}
}

/* Single post and page
   ========================================================================== */

.entry {
	padding-block: clamp(2rem, 5vw, 4rem) 2rem;
}

.entry-header,
.entry-content,
.entry-footer,
.entry-thumbnail {
	max-width: var(--measure);
	margin-inline: auto;
}

.entry-categories {
	margin-bottom: 0.75rem;
	color: var(--muted);
	font-style: italic;
}

.entry-categories a {
	color: inherit;
}

.entry-title {
	font-size: clamp(2rem, 1.3rem + 2.6vw, 3.25rem);
	font-weight: 600;
	line-height: 1.1;
}

.entry-meta {
	margin-top: 1rem;
	color: var(--muted);
}

.entry-thumbnail {
	margin-top: 2rem;
	margin-bottom: 0;
}

.entry-content {
	margin-top: 2.5rem;
}

.entry-footer {
	margin-top: 2.5rem;
	padding-top: 1rem;
	border-top: 1px solid var(--rule);
	color: var(--muted);
	font-size: 1rem;
}

.post-navigation {
	padding: 2rem var(--gutter) 4rem;
}

.post-navigation .nav-links {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 2rem;
	max-width: var(--measure);
	margin-inline: auto;
	padding-top: 1.5rem;
	border-top: 1px solid var(--rule);
}

.post-navigation .nav-next {
	grid-column: 2;
	text-align: right;
}

.post-navigation a {
	display: block;
	text-decoration: none;
}

.post-navigation__label {
	display: block;
	color: var(--muted);
	font-size: 0.9375rem;
	font-style: italic;
}

.post-navigation__title {
	display: block;
	margin-top: 0.25rem;
	color: var(--ink);
	font-weight: 600;
	line-height: 1.3;
}

.post-navigation a:hover .post-navigation__title {
	color: var(--accent);
}

@media (max-width: 40em) {
	.post-navigation .nav-links {
		grid-template-columns: 1fr;
	}

	.post-navigation .nav-next {
		grid-column: 1;
		text-align: left;
	}
}

/* Content typography
   ========================================================================== */

.entry-content > * + * {
	margin-top: 1.1em;
}

.entry-content h2,
.entry-content h3,
.entry-content h4 {
	margin-top: 2em;
}

.entry-content h2 {
	font-size: 1.75rem;
}

.entry-content h3 {
	font-size: 1.375rem;
}

.entry-content h4 {
	font-size: 1.125rem;
}

.entry-content ul,
.entry-content ol {
	padding-left: 1.4em;
}

.entry-content li + li {
	margin-top: 0.35em;
}

.entry-content blockquote {
	margin-inline: 0;
	padding-left: 1.25rem;
	border-left: 3px solid var(--accent);
	font-style: italic;
}

.entry-content hr {
	border: 0;
	border-top: 1px solid var(--rule);
	margin-block: 2.5em;
}

.entry-content figure {
	margin-inline: 0;
}

.entry-content figcaption,
.wp-caption-text {
	margin-top: 0.5rem;
	color: var(--muted);
	font-size: 0.9375rem;
	font-style: italic;
}

.entry-content .alignwide {
	max-width: none;
	margin-inline: calc((min(var(--wrap), 100vw - 2 * var(--gutter)) - var(--measure)) / -2);
}

.alignleft {
	float: left;
	margin: 0.3em 1.5em 1em 0;
}

.alignright {
	float: right;
	margin: 0.3em 0 1em 1.5em;
}

.aligncenter {
	display: block;
	margin-inline: auto;
}

.entry-content::after {
	content: "";
	display: table;
	clear: both;
}

/* Tables (core and TablePress) */
.entry-content table {
	width: 100%;
	border-collapse: collapse;
	font-size: 1rem;
	font-variant-numeric: lining-nums tabular-nums;
}

.entry-content th,
.entry-content td {
	padding: 0.5rem 0.75rem;
	border-bottom: 1px solid var(--rule);
	text-align: left;
	vertical-align: top;
}

.entry-content th,
.entry-content thead td {
	color: var(--ink);
	font-weight: 600;
	border-bottom: 2px solid var(--ink);
}

.entry-content .wp-block-table,
.entry-content .tablepress-scroll-wrapper,
.entry-content .dataTables_wrapper {
	overflow-x: auto;
}

.entry-content .tablepress {
	margin-bottom: 0;
}

/* Embedded PDF and media */
.entry-content iframe {
	display: block;
	width: 100%;
	border: 1px solid var(--rule);
}

.entry-content .wp-block-embed iframe {
	border: 0;
}

/* Footer
   ========================================================================== */

.site-footer {
	margin-top: 2rem;
	background: var(--ink);
	color: #d9deea;
	font-size: 1rem;
}

.site-footer a {
	color: #ffffff;
}

.site-footer a:hover {
	color: #f2c4c4;
}

.site-footer__inner {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	gap: 1.5rem 3rem;
	padding-block: 2.5rem;
}

.site-footer__about {
	flex: 0 1 auto;
}

/* The full name stays on one line where it fits */
@media (min-width: 30em) {
	.site-footer__description {
		white-space: nowrap;
	}
}

.site-footer__name {
	color: #ffffff;
	font-size: 1.375rem;
	font-weight: 650;
	letter-spacing: 0.02em;
}

.site-footer__description {
	margin-top: 0.25rem;
	font-style: italic;
}

.footer-menu {
	margin: 0;
	padding: 0;
	list-style: none;
}

.footer-menu li + li {
	margin-top: 0.35rem;
}

.site-footer .widget-title {
	color: #ffffff;
	font-size: 1rem;
}

.site-footer__copy {
	flex-basis: 100%;
	padding-top: 1.25rem;
	border-top: 1px solid rgba(255, 255, 255, 0.15);
	color: #aab1c2;
	font-size: 0.9375rem;
}

/* Print
   ========================================================================== */

@media print {
	.primary-nav,
	.site-tools,
	.post-navigation,
	.site-footer {
		display: none;
	}

	.entry-content a::after {
		content: " (" attr(href) ")";
		font-size: 0.85em;
		word-break: break-all;
	}
}