/* Site header — visual parity with legacy #main-header / #top-menu */

.site-header {
	--header-pad-left: 30px;
	--header-pad-right: clamp(14px, calc(3vw + 8px), 48px);
	--header-menu-pad-left: 22px;
	--header-menu-pad-right: 14px;
	--header-dropdown-right: clamp(6px, calc(var(--header-pad-right) - 12px), 20px);
	--header-logo-size-max: 30px;
	--header-logo-size-min: 24px;
	--header-logo-size: var(--header-logo-size-max);
	--header-bar-height: 80px;
	--header-menu-link: rgba(0, 0, 0, 0.6);
	--header-menu-active: #ff0000;

	position: relative;
	z-index: 999999;
	width: 100%;
	height: var(--header-bar-height);
	min-height: var(--header-bar-height);
	max-height: var(--header-bar-height);
	background-color: transparent;
	box-sizing: border-box;
	opacity: 1;
	visibility: visible;
	animation: none;
	transition: none;
}

.site-header__inner {
	display: flex;
	flex-direction: row;
	align-items: center;
	justify-content: space-between;
	position: relative;
	width: 100%;
	max-width: none;
	height: var(--header-bar-height);
	min-height: var(--header-bar-height);
	margin: 0;
	padding-left: var(--header-pad-left);
	padding-right: var(--header-pad-right);
	box-sizing: border-box;
	overflow: visible;
}

.site-header__brand {
	display: flex;
	flex-direction: row;
	align-items: center;
	flex: 0 1 auto;
	max-width: 75%;
	height: var(--header-bar-height);
	min-height: var(--header-bar-height);
	margin: 0;
	padding: 0;
	text-decoration: none !important;
	color: #000;
	box-sizing: border-box;
}

.site-header__brand-text {
	display: flex;
	flex-direction: row;
	align-items: baseline;
	margin: 0;
	padding: 0;
}

.site-header__title {
	font-family: var(--header-font);
	font-size: var(--header-logo-size);
	font-weight: var(--header-brand-weight);
	line-height: 1em;
	text-transform: lowercase;
	margin: 0;
	padding: 0;
	text-align: left;
	display: inline-block;
	color: #000;
	position: relative;
	transform: none;
	backface-visibility: hidden;
	-webkit-font-smoothing: antialiased;
	transition: font-size 0.3s ease;
	animation: none;
}

.site-header__tagline {
	font-family: var(--header-font);
	font-size: 13px;
	line-height: 1.3em;
	font-weight: var(--header-tagline-weight);
	margin: 0 0 0 1.15em;
	padding: 0;
	background: none;
	color: #666;
	white-space: nowrap;
}

.site-header__nav {
	flex: 0 0 auto;
	margin-left: auto;
	padding-left: 20px;
	font-weight: 400;
	line-height: 0;
}

.site-header__menu {
	display: flex;
	flex-direction: row;
	align-items: center;
	justify-content: flex-end;
	list-style: none;
	margin: 0;
	padding: 0;
	line-height: 0;
}

.site-header__menu li {
	display: inline-block;
	margin: 0;
	padding: 0 22px 0 0;
	list-style: none;
	font-size: 14px;
	word-wrap: break-word;
}

.site-header__menu li:last-child {
	padding-right: 0;
}

.site-header__menu a {
	color: var(--header-menu-link);
	text-decoration: none;
	font-size: 14px;
	font-family: var(--header-font);
	font-weight: var(--header-nav-weight);
	line-height: var(--header-bar-height);
	display: block;
	position: relative;
	white-space: nowrap;
	text-transform: lowercase;
	transition: opacity 0.4s ease-in-out, background-color 0.4s ease-in-out;
}

.site-header__menu a:hover {
	opacity: 0.7;
}

.site-header__menu .current-menu-item > a,
.site-header__menu .current_page_item > a,
.site-header__menu .current-menu-ancestor > a,
.site-header__menu .current-menu-parent > a {
	color: var(--header-menu-active);
	font-weight: var(--header-nav-active-weight);
	opacity: 1;
}

/* Desktop project-number dropdown — below Projects, centred on link */
@media (min-width: 981px) {
	.site-header__menu > .project-nav-parent {
		position: relative;
		display: inline-block;
		max-width: none;
		margin-right: 22px;
		padding-right: 0;
		text-align: center;
		--project-nav-submenu-overlap: 1.15em;
	}

	.site-header__menu > .project-nav-parent > a {
		display: inline-block;
		margin-right: 0;
		line-height: var(--header-bar-height);
		vertical-align: top;
	}

	/* Arrow centred in the gap between the Projects label and submenu rows */
	.site-header__menu > .project-nav-parent .project-nav-toggle {
		position: absolute;
		left: 50%;
		top: calc((50% + 0.5em + 100% - var(--project-nav-submenu-overlap)) / 2);
		transform: translate(-50%, -50%);
		width: 24px;
		height: 8px;
		margin: 0;
		padding: 0;
		border: 0;
		background: transparent;
		cursor: pointer;
		-webkit-tap-highlight-color: transparent;
		z-index: 1000001;
	}

	.site-header__menu > .project-nav-parent .project-nav-toggle::after {
		content: "";
		position: absolute;
		left: 50%;
		top: 50%;
		transform: translate(-50%, -50%);
		width: 0;
		height: 0;
		border-left: 4px solid transparent;
		border-right: 4px solid transparent;
		border-top: 5px solid currentColor;
		color: var(--header-menu-link);
		transition: transform 0.2s ease, color 0.4s ease-in-out;
	}

	.site-header__menu > .project-nav-parent .project-nav-toggle:hover::after {
		color: var(--header-menu-active);
	}

	.site-header__menu > .project-nav-parent.is-submenu-closed .project-nav-toggle::after {
		transform: translate(-50%, -50%) rotate(180deg);
	}

	.site-header__menu > .project-nav-parent > .sub-menu {
		display: none;
		position: absolute;
		top: calc(100% - var(--project-nav-submenu-overlap));
		left: 50%;
		right: auto;
		transform: translateX(-50%);
		flex-direction: column;
		align-items: center;
		justify-content: flex-start;
		width: max-content;
		min-width: 0;
		max-width: min(92vw, 520px);
		margin: 0;
		padding: 0;
		list-style: none;
		background: transparent;
		text-align: center;
		row-gap: 0.12em;
		box-sizing: border-box;
		z-index: 1000000;
	}

	.site-header__menu > .project-nav-parent:not(.is-submenu-closed):hover > .sub-menu,
	.site-header__menu > .project-nav-parent:not(.is-submenu-closed):focus-within > .sub-menu,
	body.single-project .site-header__menu > .project-nav-parent:not(.is-submenu-closed) > .sub-menu {
		display: flex !important;
	}

	.site-header__menu > .project-nav-parent > .sub-menu > .project-nav-row {
		display: block;
		margin: 0;
		padding: 0;
		width: 100%;
	}

	.site-header__menu > .project-nav-parent .project-nav-row__inner {
		display: inline-block;
		white-space: normal;
		line-height: 1.45;
		text-align: center;
	}

	.site-header__menu > .project-nav-parent .project-nav-row__link {
		display: inline;
		padding: 0;
		line-height: inherit;
		font-family: var(--header-font);
		font-size: 14px;
		font-weight: var(--header-nav-weight);
		font-style: italic;
		color: var(--header-menu-link);
		text-decoration: none;
		text-transform: lowercase;
		white-space: nowrap;
		transition: opacity 0.4s ease-in-out;
	}

	.site-header__menu > .project-nav-parent .project-nav-row__link:hover {
		opacity: 0.7;
	}

	.site-header__menu > .project-nav-parent .project-nav-row__link.is-current {
		color: var(--header-menu-active);
		font-weight: var(--header-nav-active-weight);
		opacity: 1;
	}

	.site-header__menu > .project-nav-parent .project-nav-row__sep {
		color: var(--header-menu-link);
		pointer-events: none;
	}
}

.site-header__toggle {
	display: none;
	flex: 0 0 auto;
	margin: 0 0 0 auto;
	padding: 0;
	border: 0;
	background: transparent;
	cursor: pointer;
	-webkit-tap-highlight-color: transparent;
	outline: none;
	line-height: 0;
	position: relative;
	z-index: 1000001;
}

.site-header__toggle:focus {
	outline: none;
	box-shadow: none;
	background-color: transparent;
}

.site-header__toggle-icon {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 24px;
	height: 24px;
	font-size: 24px;
	line-height: 0;
}

.site-header__toggle-icon::before {
	content: '';
	display: block;
	width: 22px;
	height: 22px;
	border: 1px solid #ff0000;
	border-radius: 50%;
	box-sizing: border-box;
}

.site-header__toggle[aria-expanded='true'] .site-header__toggle-icon::before {
	border: none;
	background: center / contain no-repeat
		url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 22 22'%3E%3Ccircle cx='11' cy='11' r='10' fill='none' stroke='%23999' stroke-width='1' stroke-dasharray='2.2 2.2'/%3E%3C/svg%3E");
}

.site-header__panel {
	display: none;
}

.site-header__panel[hidden] {
	display: none !important;
}

@media (min-width: 981px) {
	.site-header,
	.site-header__inner,
	.site-header__nav {
		overflow: visible;
	}

	.site-header {
		position: fixed;
		top: 0;
		left: 0;
		right: 0;
		z-index: 999999;
		background-color: transparent;
	}

	.site-header__title {
		font-size: var(--header-logo-size-max);
	}
}

/* Tablet / mobile */
@media (max-width: 980px) {
	.site-header {
		--header-logo-size: clamp(
			var(--header-logo-size-min),
			calc(0.35vw + 21px),
			var(--header-logo-size-max)
		);
		--header-pad-left: 20px;
		--header-pad-right: 20px;
		--header-dropdown-right: 10px;
		--header-menu-pad-left: 16px;
		--header-menu-pad-right: 8px;

		position: fixed;
		top: 0;
		left: 0;
		right: 0;
		width: 100%;
		background-color: transparent;
		transform: none;
		animation: none !important;
		transition: none !important;
		will-change: transform;
		backface-visibility: hidden;
	}

	body.site-shell {
		padding-top: var(--header-bar-height, 80px) !important;
	}

	body.home.site-shell {
		padding-top: 0 !important;
	}

	.site-header__brand {
		position: relative;
		max-width: 72%;
		padding-left: 0;
	}

	.site-header__nav {
		display: none;
	}

	.site-header__toggle {
		display: inline-flex;
		align-items: center;
		justify-content: center;
	}

	.site-header__panel {
		display: block;
		position: fixed;
		top: calc(var(--header-bar-height) - 18px);
		left: auto;
		right: var(--header-dropdown-right);
		width: max-content;
		max-width: calc(100vw - var(--header-pad-right) - var(--header-pad-left));
		min-width: 0;
		margin: 0;
		transform: none;
		background-color: #fff;
		text-align: right;
		overflow-y: auto;
		max-height: calc(100vh - var(--header-bar-height) + 18px);
		padding: 0 var(--header-menu-pad-right) 12px var(--header-menu-pad-left);
		border: none;
		box-shadow: none;
		box-sizing: border-box;
		z-index: 99998;
	}

	.site-header__panel[hidden] {
		display: none !important;
		opacity: 0;
		visibility: hidden;
	}

	.site-header__menu--mobile {
		display: block;
		flex-direction: column;
		align-items: flex-end;
		margin: 0;
		padding: 0;
		line-height: normal;
	}

	.site-header__menu--mobile li {
		width: max-content;
		max-width: 100%;
		margin: 0 0 0 auto;
		padding: 0;
		border: none;
		display: block;
	}

	.site-header__menu--mobile > li + li {
		border-top: 1px solid #e5e5e5;
	}

	.site-header__menu--mobile a {
		color: #000;
		text-align: right;
		padding: 8px 0;
		margin: 0;
		line-height: 1.4;
		font-family: var(--header-font);
		font-weight: var(--header-nav-weight);
		white-space: nowrap;
		display: block;
		opacity: 1;
	}

	.site-header__menu--mobile .current-menu-item > a,
	.site-header__menu--mobile .current_page_item > a,
	.site-header__menu--mobile .current-menu-ancestor > a,
	.site-header__menu--mobile .current-menu-parent > a {
		color: var(--header-menu-active);
		font-weight: var(--header-nav-active-weight);
	}

	.site-header__menu--mobile > .project-nav-parent > .sub-menu {
		display: none !important;
	}

	.site-header__menu--mobile > .project-nav-parent > a {
		text-align: right;
		padding: 8px 0;
	}
}

@media (max-width: 767px) {
	.site-header__tagline,
	.home .site-header__tagline {
		display: none !important;
		visibility: hidden !important;
		height: 0 !important;
		overflow: hidden !important;
		margin: 0 !important;
		padding: 0 !important;
		opacity: 0 !important;
		position: absolute !important;
		pointer-events: none !important;
		user-select: none;
		-webkit-user-select: none;
	}

	body.home #main-content {
		padding-top: 0 !important;
	}
}

body.home .site-header__title,
body.home.dom-loaded .site-header__title {
	opacity: 1 !important;
	visibility: visible !important;
}

.dom-loaded.mobile-optimized .site-header,
html.dom-ready .site-header {
	transition: none !important;
	animation: none !important;
}

.site-header__toggle,
.site-header__menu--mobile a,
.site-header__toggle-icon::before {
	pointer-events: auto;
	cursor: pointer;
}