/* ==========================================================================
   Quantum Conf: main stylesheet
   Colours, fonts and sizes come from tokens.css; change them there.
   Styles for block editor content are in content.css.

   1. Base
   2. Utilities and shared components
   3. Utility bar and header
   4. Hero
   5. Home sections
   6. Inner pages
   7. Footer
   8. Reduced motion
   ========================================================================== */

/* 1. Base
   ========================================================================== */

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

html {
	-webkit-text-size-adjust: 100%;
	scroll-padding-top: 96px;
}

body {
	display: flex;
	flex-direction: column;
	min-height: 100vh;
	min-height: calc(100dvh - var(--wp-admin--admin-bar--height, 0px));
	margin: 0;
	background: var(--color-bg);
	color: var(--color-text);
	font: 400 var(--text-base) / 1.6 var(--font-sans);
	text-rendering: optimizeLegibility;
}

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

img,
svg {
	max-width: 100%;
}

img {
	height: auto;
}

a {
	color: var(--color-accent);
	text-underline-offset: 0.15em;
}

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

h1,
h2,
h3,
h4 {
	margin: 0 0 0.5em;
	color: var(--color-heading);
	font-family: var(--font-serif);
	font-weight: 600;
	line-height: 1.25;
	text-wrap: balance;
}

p {
	margin: 0 0 1em;
}

:focus-visible {
	outline: 3px solid var(--color-focus);
	outline-offset: 2px;
}

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

.icon {
	flex: none;
	vertical-align: middle;
}

/* 2. Utilities and shared components
   ========================================================================== */

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

.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 {
	position: absolute;
	top: -100px;
	left: var(--gutter);
	z-index: 100;
	padding: 10px 16px;
	border-radius: var(--radius);
	background: var(--color-surface);
	color: var(--color-text);
	font-weight: 600;
	box-shadow: var(--shadow-raised);
}

.skip-link:focus {
	top: 8px;
}

.section {
	padding-block: var(--section-space);
}

.section--surface {
	background: var(--color-surface);
}

.section-head {
	display: flex;
	flex-wrap: wrap;
	align-items: baseline;
	justify-content: space-between;
	gap: 8px 24px;
	margin-bottom: 28px;
}

.section-title,
.section-head__title {
	margin: 0;
	font-size: var(--text-xl);
}

.section-head__link {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	font-weight: 600;
	font-size: 0.9375rem;
	text-decoration: none;
}

.section-head__link:hover {
	text-decoration: underline;
}

.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	padding: 12px 22px;
	border: 1.5px solid transparent;
	border-radius: var(--radius);
	font: 600 0.975rem / 1.2 var(--font-sans);
	text-decoration: none;
	cursor: pointer;
	transition: background-color 0.15s, border-color 0.15s, color 0.15s;
}

.btn--primary {
	background: var(--color-accent);
	color: var(--color-on-accent);
}

.btn--primary:hover {
	background: var(--color-accent-hover);
	color: var(--color-on-accent);
}

.btn--on-dark {
	border-color: rgb(255 255 255 / 0.55);
	color: var(--color-on-dark);
}

.btn--on-dark:hover {
	border-color: var(--color-on-dark);
	background: rgb(255 255 255 / 0.08);
	color: var(--color-on-dark);
}

.btn--outline {
	border-color: var(--color-accent);
	color: var(--color-accent);
}

.btn--outline:hover {
	background: var(--color-accent-soft);
	color: var(--color-accent-hover);
}

.btn--small {
	padding: 8px 14px;
	font-size: var(--text-sm);
}

.badge {
	display: inline-block;
	padding: 3px 10px;
	border-radius: 999px;
	background: var(--color-accent-soft);
	color: var(--color-accent);
	font-size: var(--text-xs);
	font-weight: 600;
	line-height: 1.5;
}

/* 3. Utility bar and header
   ========================================================================== */

.utility-bar {
	background: var(--color-primary-strong);
	color: var(--color-on-dark-muted);
	font-size: 0.8125rem;
}

.utility-bar__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	min-height: 38px;
}

.utility-bar__org {
	min-width: 0;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.utility-bar__tools {
	display: flex;
	flex: none;
	align-items: center;
	gap: 12px;
}

.utility-bar :focus-visible {
	outline-color: var(--color-accent-on-dark);
}

.lang-switcher ul {
	display: flex;
	gap: 2px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.lang-switcher a {
	display: block;
	padding: 4px 8px;
	border-radius: 4px;
	color: var(--color-on-dark-muted);
	font-weight: 600;
	text-decoration: none;
}

.lang-switcher abbr {
	text-decoration: none;
}

.lang-switcher a:hover,
.lang-switcher a[aria-current="true"] {
	background: rgb(255 255 255 / 0.12);
	color: var(--color-on-dark);
}

.theme-toggle {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 4px 8px;
	border: 0;
	border-radius: 4px;
	background: transparent;
	color: var(--color-on-dark-muted);
	font: inherit;
	cursor: pointer;
}

.theme-toggle:hover {
	color: var(--color-on-dark);
}

.theme-toggle .icon--sun,
.theme-toggle.is-dark .icon--moon {
	display: none;
}

.theme-toggle.is-dark .icon--sun {
	display: inline;
}

.site-header {
	position: sticky;
	top: var(--wp-admin--admin-bar--height, 0px);
	z-index: 50;
	background: var(--color-surface);
	border-bottom: 1px solid var(--color-border-subtle);
	transition: box-shadow 0.2s;
}

.site-header.is-stuck {
	box-shadow: var(--shadow-header);
}

@media (max-width: 600px) {
	.admin-bar .site-header {
		top: 0;
	}
}

.site-header__inner {
	position: relative;
	display: flex;
	align-items: center;
	gap: 24px;
	min-height: 76px;
}

.brand {
	display: inline-flex;
	flex: none;
	border-radius: var(--radius);
}

.brand img {
	display: block;
	width: auto;
	height: 46px;
}

/* Light logo by default; white-lettered version in dark mode (OS setting or toggle). */
.brand__logo--dark {
	display: none;
}

:root[data-theme="dark"] .brand__logo--light {
	display: none;
}

:root[data-theme="dark"] .brand__logo--dark {
	display: block;
}

@media (prefers-color-scheme: dark) {
	:root:not([data-theme="light"]) .brand__logo--light {
		display: none;
	}

	:root:not([data-theme="light"]) .brand__logo--dark {
		display: block;
	}
}

.nav {
	margin-left: auto;
}

.nav__list {
	display: flex;
	align-items: center;
	gap: 2px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.nav__list>li {
	position: relative;
	display: flex;
	align-items: center;
}

.nav__list a {
	display: inline-flex;
	align-items: center;
	padding: 8px 11px;
	border-radius: 999px;
	color: var(--color-text);
	font-weight: 600;
	font-size: 0.9rem;
	line-height: 1.2;
	text-decoration: none;
	white-space: nowrap;
}

.nav__list a:hover {
	background: var(--color-accent-soft);
	color: var(--color-accent);
}

.nav__list>li>a[aria-current="page"],
.nav__list>.current-menu-ancestor>a {
	background: var(--color-accent);
	color: var(--color-on-accent);
}

.nav__toggle {
	display: inline-grid;
	place-items: center;
	width: 28px;
	height: 28px;
	margin-left: -6px;
	padding: 0;
	border: 0;
	border-radius: 50%;
	background: transparent;
	color: var(--color-text);
	cursor: pointer;
}

.nav__toggle:hover {
	background: var(--color-accent-soft);
	color: var(--color-accent);
}

.nav__toggle .icon {
	transition: transform 0.15s;
}

.nav__toggle[aria-expanded="true"] .icon {
	transform: rotate(180deg);
}

.submenu {
	display: none;
	margin: 0;
	padding: 6px;
	list-style: none;
}

.is-open>.submenu {
	display: block;
}

.submenu a {
	display: flex;
	width: 100%;
	padding: 10px 12px;
	border-radius: 4px;
	font-weight: 500;
	white-space: normal;
}

.submenu a[aria-current="page"] {
	color: var(--color-accent);
	font-weight: 700;
}

.menu-toggle {
	display: none;
	place-items: center;
	width: 44px;
	height: 44px;
	margin-left: auto;
	border: 1px solid var(--color-border);
	border-radius: var(--radius);
	background: transparent;
	color: var(--color-text);
	cursor: pointer;
}

.menu-toggle .icon--close,
.menu-toggle[aria-expanded="true"] .icon--menu {
	display: none;
}

.menu-toggle[aria-expanded="true"] .icon--close {
	display: inline;
}

/* Desktop: inline menu with floating dropdowns (open on click, hover or focus). */
@media (min-width: 1200px) {
	.submenu {
		position: absolute;
		top: calc(100% + 8px);
		left: 0;
		z-index: 10;
		min-width: 260px;
		border: 1px solid var(--color-border-subtle);
		border-radius: 8px;
		background: var(--color-surface);
		box-shadow: var(--shadow-raised);
	}

	/* Invisible bridge so the dropdown does not close while the pointer crosses the gap. */
	.submenu::before {
		content: "";
		position: absolute;
		inset: -10px 0 auto;
		height: 10px;
	}

	.menu-item-has-children:focus-within>.submenu {
		display: block;
	}

	@media (hover: hover) {
		.menu-item-has-children:hover>.submenu {
			display: block;
		}
	}
}

/* Mobile and tablet: hamburger panel. */
@media (max-width: 1199px) {
	.menu-toggle {
		display: inline-grid;
	}

	.nav {
		display: none;
		position: absolute;
		top: 100%;
		left: 0;
		right: 0;
		max-height: calc(100vh - 120px);
		overflow-y: auto;
		margin: 0;
		border-bottom: 1px solid var(--color-border-subtle);
		background: var(--color-surface);
		box-shadow: var(--shadow-raised);
	}

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

	.nav__list {
		flex-direction: column;
		align-items: stretch;
		padding: 10px var(--gutter) 16px;
	}

	.nav__list>li {
		flex-wrap: wrap;
		border-bottom: 1px solid var(--color-border-subtle);
	}

	.nav__list>li:last-child {
		border-bottom: 0;
	}

	.nav__list a {
		flex: 1;
		padding: 12px 8px;
		border-radius: var(--radius);
		font-size: 1rem;
	}

	.nav__toggle {
		width: 44px;
		height: 44px;
		margin: 0;
	}

	.submenu {
		flex-basis: 100%;
		padding: 0 0 8px 16px;
	}
}

@media (max-width: 600px) {
	.utility-bar__org {
		display: none;
	}

	.utility-bar__inner {
		justify-content: flex-end;
	}

	.brand img {
		height: 38px;
	}

	.site-header__inner {
		min-height: 64px;
	}
}

/* 4. Hero
   ========================================================================== */

.hero {
	position: relative;
	isolation: isolate;
	overflow: hidden;
	background: var(--color-primary-strong);
	color: var(--color-on-dark);
}

.hero__photo,
.hero__photo img {
	position: absolute;
	inset: 0;
	z-index: -3;
	width: 100%;
	height: 100%;
}

.hero__photo img {
	object-fit: cover;
	object-position: var(--hero-photo-position);
	filter: saturate(var(--hero-photo-saturation));
}

/* Overall darkening (--hero-overlay-strength) plus an extra scrim on the text
   side, derived from it so text never sits on less than --hero-text-floor. */
.hero__overlay {
	--hero-text-scrim: max(0, calc((var(--hero-text-floor) - var(--hero-overlay-strength)) / (1 - var(--hero-overlay-strength))));
	position: absolute;
	inset: 0;
	z-index: -2;
	background:
		linear-gradient(to right, rgb(var(--hero-overlay-rgb) / var(--hero-text-scrim)) 0%, rgb(var(--hero-overlay-rgb) / var(--hero-text-scrim)) 52%, transparent 74%),
		linear-gradient(to bottom, transparent 55%, rgb(var(--hero-overlay-rgb) / 0.35) 100%),
		linear-gradient(to right, rgb(var(--hero-overlay-rgb) / var(--hero-overlay-strength)) 55%, rgb(var(--hero-overlay-rgb) / calc(var(--hero-overlay-strength) - 0.14)) 100%);
}

.hero__quanta {
	position: absolute;
	inset: 0;
	z-index: -1;
	width: 100%;
	height: 100%;
	pointer-events: none;
}

.hero__inner {
	padding-block: clamp(48px, 7vw, 88px) calc(var(--hero-card-overlap) + clamp(56px, 6vw, 76px));
}

.hero__content {
	display: grid;
	grid-template-columns: minmax(0, 1fr);
	gap: 20px;
	max-width: 700px;
}

.hero :focus-visible {
	outline-color: var(--color-accent-on-dark);
}

.news-pill {
	display: inline-flex;
	justify-self: start;
	align-items: center;
	gap: 10px;
	max-width: 100%;
	padding: 5px 14px 5px 5px;
	border: 1px solid rgb(255 255 255 / 0.2);
	border-radius: 999px;
	background: rgb(255 255 255 / 0.08);
	color: var(--color-on-dark);
	font-size: var(--text-sm);
	text-decoration: none;
}

.news-pill:hover {
	border-color: var(--color-accent-on-dark);
	color: var(--color-on-dark);
}

.news-pill__tag {
	flex: none;
	padding: 3px 10px;
	border-radius: 999px;
	background: var(--color-accent-on-dark);
	color: var(--color-primary-strong);
	font-size: var(--text-xs);
	font-weight: 700;
}

.news-pill__text {
	min-width: 0;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.hero__title {
	display: grid;
	gap: 14px;
	margin: 0;
	color: var(--color-on-dark);
}

.hero__brand {
	font: 800 clamp(3rem, 7.4vw, 5.75rem) / 0.95 var(--font-sans);
	letter-spacing: -0.02em;
}

.hero__year {
	color: var(--color-accent-on-dark);
	font-weight: 600;
}

.hero__name {
	max-width: 30ch;
	font: 600 clamp(1.15rem, 2.1vw, 1.55rem) / 1.3 var(--font-serif);
}

.hero__tagline {
	display: flex;
	align-items: center;
	gap: 12px;
	margin: 0;
	color: var(--color-on-dark-muted);
	font: italic 400 clamp(1rem, 1.5vw, 1.15rem) / 1.4 var(--font-serif);
}

.hero__tagline::before {
	content: "";
	flex: none;
	width: 32px;
	height: 2px;
	background: var(--color-accent-on-dark);
}

.hero__facts {
	display: flex;
	flex-wrap: wrap;
	gap: 14px 36px;
	margin: 6px 0 0;
}

.hero__fact {
	display: grid;
	grid-template-columns: auto minmax(0, 1fr);
	align-items: start;
	column-gap: 10px;
	min-width: 0;
}

.hero__fact .icon {
	grid-row: span 2;
	margin-top: 3px;
	color: var(--color-accent-on-dark);
}

.hero__fact dt {
	color: var(--color-on-dark-muted);
	font-size: var(--text-xs);
	font-weight: 600;
	letter-spacing: 0.06em;
	text-transform: uppercase;
}

.hero__fact dd {
	margin: 0;
	font-weight: 600;
}

.hero__ctas {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	margin-top: 8px;
}

/* Hero buttons sit on navy in both modes, so they use the dark-band colours. */
.hero .btn--primary {
	background: #6D28D9;
	color: #FFFFFF;
}

.hero .btn--primary:hover {
	background: #5B21B6;
}

.hero__meta {
	position: absolute;
	right: var(--gutter);
	bottom: calc(var(--hero-card-overlap) + 14px);
	left: var(--gutter);
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: flex-end;
	gap: 10px 14px;
	color: var(--color-on-dark-muted);
	font-size: var(--text-xs);
}

.hero__credit {
	margin: 0;
	padding: 4px 10px;
	border-radius: 4px;
	background: rgb(var(--hero-overlay-rgb) / 0.72);
}

.hero__credit a {
	color: inherit;
}

.hero__credit a:hover {
	color: var(--color-on-dark);
}

.motion-toggle {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 6px 12px 6px 8px;
	border: 1px solid rgb(255 255 255 / 0.28);
	border-radius: 999px;
	background: rgb(var(--hero-overlay-rgb) / 0.6);
	color: var(--color-on-dark);
	font: 600 var(--text-xs) / 1 var(--font-sans);
	cursor: pointer;
}

.motion-toggle:hover {
	border-color: var(--color-accent-on-dark);
}

.motion-toggle .icon--play,
.motion-toggle.is-paused .icon--pause {
	display: none;
}

.motion-toggle.is-paused .icon--play {
	display: inline;
}

@media (max-width: 760px) {

	/* Text covers the whole hero on small screens: darken evenly. */
	.hero__overlay {
		background: rgb(var(--hero-overlay-rgb) / max(var(--hero-overlay-strength), var(--hero-text-floor)));
	}

	.hero__inner {
		padding-bottom: calc(var(--hero-card-overlap) + 112px);
	}

	.hero__meta {
		justify-content: space-between;
	}
}

/* 5. Home sections
   ========================================================================== */

/* Important dates card */
.home-dates {
	position: relative;
	z-index: 2;
	margin-top: calc(-1 * var(--hero-card-overlap));
}

.home-dates__card {
	padding: 24px 28px 28px;
	border: 1px solid var(--color-border-subtle);
	border-radius: var(--radius-lg);
	background: var(--color-surface);
	box-shadow: var(--shadow-raised);
}

.home-dates .section-head {
	margin-bottom: 22px;
}

.home-dates .section-head__title {
	font-size: var(--text-lg);
}

.timeline {
	position: relative;
	display: grid;
	grid-template-columns: repeat(var(--timeline-count, 5), minmax(0, 1fr));
	gap: 16px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.timeline::before {
	content: "";
	position: absolute;
	top: 6px;
	right: 6px;
	left: 6px;
	height: 2px;
	background: linear-gradient(to right, var(--color-accent), var(--color-border-subtle));
}

.timeline__item {
	position: relative;
	display: grid;
	gap: 4px;
	min-width: 0;
	padding-top: 26px;
}

.timeline__item::before {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	width: 14px;
	height: 14px;
	border: 2px solid var(--color-accent);
	border-radius: 50%;
	background: var(--color-surface);
}

.timeline__item.is-highlight::before {
	background: var(--color-accent);
	box-shadow: 0 0 0 4px var(--color-accent-soft);
}

.timeline__label {
	color: var(--color-text-muted);
	font-size: var(--text-sm);
}

.timeline__date {
	font-weight: 700;
	font-variant-numeric: tabular-nums;
}

/* Dates that have passed: hollow grey marker, struck-through date. */
.timeline__item.is-past::before {
	border-color: var(--color-border);
	background: var(--color-border-subtle);
}

.timeline__item.is-past .timeline__date {
	color: var(--color-text-muted);
	font-weight: 600;
	text-decoration: line-through;
	text-decoration-thickness: 1px;
}

@media (max-width: 860px) {
	.timeline {
		grid-template-columns: minmax(0, 1fr);
		gap: 18px;
	}

	.timeline::before {
		top: 6px;
		bottom: 6px;
		right: auto;
		width: 2px;
		height: auto;
		background: linear-gradient(to bottom, var(--color-accent), var(--color-border-subtle));
	}

	.timeline__item {
		padding: 0 0 0 30px;
	}
}

@media (max-width: 600px) {
	.home-dates__card {
		padding: 20px;
	}
}

/* About + call for papers box */
.home-about__grid {
	display: grid;
	grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
	align-items: start;
	gap: clamp(32px, 5vw, 72px);
}

.home-about__grid--box-only {
	grid-template-columns: minmax(0, 560px);
}

.home-about__text {
	max-width: 68ch;
}

.home-about__text> :last-child {
	margin-bottom: 0;
}

.home-about__text .section-title {
	margin-bottom: 20px;
}

.cfp-box {
	padding: 26px 28px;
	border: 1px solid var(--color-border-subtle);
	border-top: 4px solid var(--color-accent);
	border-radius: var(--radius-lg);
	background: var(--color-surface);
	box-shadow: var(--shadow-card);
}

.cfp-box__title {
	font-size: var(--text-lg);
}

.cfp-box__label {
	margin-bottom: 6px;
	color: var(--color-text-muted);
	font-size: var(--text-sm);
	font-weight: 600;
}

.cfp-box__types {
	margin: 0 0 18px;
	padding-left: 1.2em;
}

.cfp-box__types li {
	margin-bottom: 4px;
}

.cfp-box__types li::marker {
	color: var(--color-accent);
}

@media (max-width: 860px) {
	.home-about__grid {
		grid-template-columns: minmax(0, 1fr);
	}
}

/* Announcements */
.news-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
	gap: 20px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.news-card {
	display: flex;
	flex-direction: column;
	padding: 22px 24px;
	border: 1px solid var(--color-border-subtle);
	border-radius: var(--radius-lg);
	background: var(--color-bg);
}

.news-card__meta {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 8px 12px;
	margin-bottom: 12px;
}

.news-card__date {
	color: var(--color-text-muted);
	font-size: var(--text-sm);
}

.news-card__title {
	margin-bottom: 8px;
	font: 600 1.125rem / 1.35 var(--font-sans);
}

.news-card__title a {
	color: var(--color-heading);
	text-decoration: none;
}

.news-card__title a:hover {
	color: var(--color-accent);
	text-decoration: underline;
}

.news-card__excerpt {
	color: var(--color-text-muted);
}

.news-card__footer {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	margin-top: auto;
	padding-top: 8px;
}

.deadline {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 4px 10px;
	border: 1px solid var(--color-accent);
	border-radius: 999px;
	color: var(--color-accent);
	font-size: var(--text-xs);
	font-weight: 600;
}

.deadline--closed {
	border-color: transparent;
	background: var(--color-closed-bg);
	color: var(--color-closed-text);
}

/* Speakers */
.speaker-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr));
	gap: 20px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.speaker-card {
	display: flex;
	flex-direction: column;
	align-items: center;
	padding: 28px 22px;
	border: 1px solid var(--color-border-subtle);
	border-radius: var(--radius-lg);
	background: var(--color-surface);
	text-align: center;
	box-shadow: var(--shadow-card);
}

.speaker-card__photo {
	width: 120px;
	height: 120px;
	margin-bottom: 16px;
	border-radius: 50%;
	object-fit: cover;
}

.speaker-card__photo--empty {
	display: grid;
	place-items: end center;
	overflow: hidden;
	background: var(--color-accent-soft);
	color: var(--color-accent);
}

.speaker-card .badge {
	margin-bottom: 10px;
}

.speaker-card__name {
	margin-bottom: 4px;
	font-size: var(--text-lg);
}

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

.speaker-card__name a:hover {
	color: var(--color-accent);
	text-decoration: underline;
}

.speaker-card__affiliation {
	margin-bottom: 10px;
	color: var(--color-text-muted);
	font-size: 0.9375rem;
}

.speaker-card__talk {
	margin: 0;
	font-family: var(--font-serif);
	font-style: italic;
}

/* Organized by / Supported by */
.partners+.partners {
	margin-top: 48px;
	padding-top: 40px;
	border-top: 1px solid var(--color-border-subtle);
}

.partners__title {
	margin-bottom: 24px;
	font-size: var(--text-lg);
	text-align: center;
}

.partners__list {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 16px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.logo-card {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 10px;
	height: 100%;
	padding: 18px 22px;
	border: 1px solid var(--color-border-subtle);
	border-radius: var(--radius-lg);
	background: var(--color-logo-card);
	text-decoration: none;
	transition: border-color 0.15s, box-shadow 0.15s;
}

.logo-card:hover {
	border-color: var(--color-accent);
	box-shadow: var(--shadow-card);
}

.logo-card img {
	display: block;
	width: auto;
	max-width: 100%;
	object-fit: contain;
}

.partners--organizer .logo-card {
	width: min(300px, 80vw);
}

.partners--organizer .logo-card img {
	height: 96px;
}

.partners--supporter .logo-card,
.partners--sponsor .logo-card {
	width: min(220px, 42vw);
	padding: 14px 18px;
}

.partners--supporter .logo-card img,
.partners--sponsor .logo-card img {
	height: 64px;
}

/* Entry without a logo: the name on the card instead. */
.logo-card__text {
	color: var(--color-logo-card-text);
	font-weight: 600;
	text-align: center;
}

div.logo-card:hover {
	border-color: var(--color-border-subtle);
	box-shadow: none;
}

.logo-card__name {
	color: var(--color-logo-card-text);
	font-size: var(--text-sm);
	text-align: center;
}

/* 6. Inner pages
   ========================================================================== */

/* Header band: the hero photo, desaturated, under a navy overlay strong
   enough (--page-header-overlay) for text anywhere on it. */
.page-header {
	position: relative;
	isolation: isolate;
	overflow: hidden;
	background: var(--color-primary-strong);
	color: var(--color-on-dark);
}

.page-header::before,
.page-header::after {
	content: "";
	position: absolute;
	inset: 0;
}

.page-header::before {
	z-index: -2;
	background: url("../img/hero_bg-1280.jpg") var(--hero-photo-position) / cover no-repeat;
	background-image: image-set(url("../img/hero_bg-1280.webp") type("image/webp"), url("../img/hero_bg-1280.jpg") type("image/jpeg"));
	filter: saturate(var(--hero-photo-saturation));
}

.page-header::after {
	z-index: -1;
	background: linear-gradient(to right, rgb(var(--hero-overlay-rgb) / var(--page-header-overlay)) 45%, rgb(var(--hero-overlay-rgb) / calc(var(--page-header-overlay) - 0.12)));
}

@media (max-width: 760px) {
	.page-header::before {
		background-image: url("../img/hero_bg-960.jpg");
		background-image: image-set(url("../img/hero_bg-960.webp") type("image/webp"), url("../img/hero_bg-960.jpg") type("image/jpeg"));
	}

	.page-header::after {
		background: rgb(var(--hero-overlay-rgb) / var(--page-header-overlay));
	}
}

.page-header__inner {
	padding-block: clamp(28px, 4.5vw, 48px) clamp(36px, 5vw, 60px);
}

.page-header :focus-visible {
	outline-color: var(--color-accent-on-dark);
}

.breadcrumbs ol {
	display: flex;
	flex-wrap: wrap;
	margin: 0 0 20px;
	padding: 0;
	color: var(--color-on-dark-muted);
	font-size: var(--text-sm);
	list-style: none;
}

.breadcrumbs li+li::before {
	content: "›";
	margin-inline: 8px;
	opacity: 0.7;
}

.breadcrumbs a {
	color: var(--color-on-dark-muted);
}

.breadcrumbs a:hover {
	color: var(--color-on-dark);
}

.page-header__kicker {
	margin: 0 0 10px;
	color: var(--color-accent-on-dark);
	font-size: var(--text-sm);
	font-weight: 700;
	letter-spacing: 0.04em;
}

.page-header__title {
	max-width: 36ch;
	margin: 0;
	color: var(--color-on-dark);
	font-size: clamp(1.75rem, 1.3rem + 2vw, 2.75rem);
}

.page-header__lead {
	display: flex;
	align-items: center;
	gap: 8px;
	margin: 14px 0 0;
	color: var(--color-on-dark-muted);
	font-size: 1.0625rem;
}

.page-header__lead .icon {
	color: var(--color-accent-on-dark);
}

/* Body: text column plus sidebar, or full width (page-body). */
.page-body,
.page-layout {
	padding-block: var(--section-space);
}

.page-layout {
	display: grid;
	grid-template-columns: minmax(0, 1fr) minmax(0, 340px);
	align-items: start;
	gap: clamp(32px, 5vw, 72px);
}

.page-layout__main {
	min-width: 0;
	max-width: var(--content-width);
}

.page-body__intro {
	max-width: var(--content-width);
	margin-bottom: 40px;
}

@media (max-width: 1000px) {
	.page-layout {
		grid-template-columns: minmax(0, 1fr);
	}
}

.page-sidebar {
	display: grid;
	gap: 24px;
}

.sidebar-box {
	padding: 22px 24px;
	border: 1px solid var(--color-border-subtle);
	border-radius: var(--radius-lg);
	background: var(--color-surface);
	box-shadow: var(--shadow-card);
}

.sidebar-box__title {
	margin-bottom: 18px;
	font-size: var(--text-lg);
}

.sidebar-box .section-head__link {
	margin-top: 18px;
}

.sidebar-news {
	margin: 0;
	padding: 0;
	list-style: none;
}

.sidebar-news li {
	display: grid;
	gap: 2px;
	padding-block: 12px;
	border-top: 1px solid var(--color-border-subtle);
}

.sidebar-news li:first-child {
	padding-top: 0;
	border-top: 0;
}

.sidebar-news a {
	color: var(--color-heading);
	font-weight: 600;
	line-height: 1.4;
	text-decoration: none;
}

.sidebar-news a:hover {
	color: var(--color-accent);
	text-decoration: underline;
}

.sidebar-news time {
	color: var(--color-text-muted);
	font-size: var(--text-sm);
}

.empty-state {
	margin: 0;
	padding: 28px;
	border: 1px dashed var(--color-border);
	border-radius: var(--radius-lg);
	color: var(--color-text-muted);
	text-align: center;
}

.back-link {
	margin: 40px 0 0;
	padding-top: 24px;
	border-top: 1px solid var(--color-border-subtle);
}

/* Announcements: category filter, pagination, single announcement */
.filter-bar ul {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin: 0 0 28px;
	padding: 0;
	list-style: none;
}

.filter-bar a {
	display: inline-block;
	padding: 8px 16px;
	border: 1px solid var(--color-border);
	border-radius: 999px;
	color: var(--color-text);
	font-size: var(--text-sm);
	font-weight: 600;
	text-decoration: none;
}

.filter-bar a:hover {
	border-color: var(--color-accent);
	color: var(--color-accent);
}

.filter-bar a[aria-current="page"] {
	border-color: var(--color-accent);
	background: var(--color-accent);
	color: var(--color-on-accent);
}

.pagination {
	margin-top: 40px;
}

.pagination .nav-links {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
}

.page-numbers {
	display: inline-grid;
	place-items: center;
	min-width: 44px;
	height: 44px;
	padding: 0 14px;
	border: 1px solid var(--color-border-subtle);
	border-radius: var(--radius);
	background: var(--color-surface);
	color: var(--color-text);
	font-weight: 600;
	text-decoration: none;
}

a.page-numbers:hover {
	border-color: var(--color-accent);
	color: var(--color-accent);
}

.page-numbers.current {
	border-color: var(--color-accent);
	background: var(--color-accent);
	color: var(--color-on-accent);
}

.page-numbers.dots {
	border: 0;
	background: none;
}

.entry-image {
	margin: 0 0 28px;
}

.entry-image img {
	display: block;
	width: 100%;
	border-radius: var(--radius-lg);
}

.news-actions {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 12px 16px;
	margin-bottom: 28px;
	padding: 18px 20px;
	border: 1px solid var(--color-border-subtle);
	border-left: 4px solid var(--color-accent);
	border-radius: var(--radius-lg);
	background: var(--color-surface);
}

/* Speakers page and single speaker */
.speaker-group+.speaker-group {
	margin-top: 56px;
}

.speaker-group .section-title {
	margin-bottom: 24px;
}

.speaker-profile {
	display: grid;
	grid-template-columns: 240px minmax(0, var(--content-width));
	align-items: start;
	gap: clamp(28px, 4vw, 56px);
}

.speaker-profile__aside {
	display: grid;
	justify-items: center;
	gap: 18px;
}

.speaker-profile__photo {
	width: 240px;
	height: 240px;
	border-radius: 50%;
	object-fit: cover;
}

.speaker-profile__talk {
	color: var(--color-heading);
	font: italic 400 1.25rem / 1.45 var(--font-serif);
}

@media (max-width: 760px) {
	.speaker-profile {
		grid-template-columns: minmax(0, 1fr);
	}

	.speaker-profile__photo {
		width: 160px;
		height: 160px;
	}
}

/* Contact details */
.contact-list {
	display: grid;
	gap: 18px;
	margin: 0;
}

.contact-list__row dt {
	display: flex;
	align-items: center;
	gap: 8px;
	color: var(--color-text-muted);
	font-size: var(--text-sm);
	font-weight: 700;
}

.contact-list__row dt .icon {
	color: var(--color-accent);
}

.contact-list__row dd {
	margin: 4px 0 0;
	overflow-wrap: anywhere;
}

.contact-social {
	display: flex;
	flex-wrap: wrap;
	gap: 6px 16px;
	margin: 0;
	padding: 0;
	list-style: none;
}

/* 7. Footer
   ========================================================================== */

.site-footer {
	background: var(--color-primary-strong);
	color: var(--color-on-dark-muted);
	font-size: 0.9375rem;
}

.site-footer a {
	color: var(--color-on-dark-muted);
}

.site-footer a:hover {
	color: var(--color-on-dark);
}

.site-footer :focus-visible {
	outline-color: var(--color-accent-on-dark);
}

.site-footer__grid {
	display: grid;
	grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr) minmax(0, 1fr);
	gap: 40px;
	padding-block: 56px 40px;
}

.site-footer__logo img {
	display: block;
	width: auto;
	height: 56px;
	margin-bottom: 16px;
}

.site-footer__meta {
	margin: 0;
}

.site-footer__title {
	margin-bottom: 14px;
	color: var(--color-on-dark);
	font: 700 var(--text-xs) / 1.4 var(--font-sans);
	letter-spacing: 0.08em;
	text-transform: uppercase;
}

.footer-links,
.social-links {
	margin: 0;
	padding: 0;
	list-style: none;
}

.footer-links li+li {
	margin-top: 8px;
}

.site-footer__contact {
	display: flex;
	align-items: center;
	gap: 8px;
}

.social-links {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
}

.site-footer__bottom {
	border-top: 1px solid rgb(255 255 255 / 0.12);
	font-size: 0.8125rem;
}

.site-footer__bottom-inner {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	gap: 8px 24px;
	padding-block: 18px;
}

@media (max-width: 860px) {
	.site-footer__grid {
		grid-template-columns: minmax(0, 1fr);
		gap: 32px;
	}
}

/* 8. Reduced motion
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {

	*,
	*::before,
	*::after {
		transition-duration: 0.01ms !important;
		scroll-behavior: auto !important;
	}
}