.site-header {
	position: relative;
	z-index: 20;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 24px;
	padding: 19px max(4vw, 20px);
	border-bottom: 1px solid var(--bz-card-border);
	background: var(--bz-ivory);
}

/*
 * Wordmark as on the BIO ZAHN bottle: BIO and ZAHN equally wide, same weight, with a rule of the
 * same width between them. ZAHN's letter spacing sets the width (the negative right margin drops
 * the spacing after the N); the three letters of BIO are spread across that width.
 */
.wordmark {
	display: inline-grid;
	grid-template-columns: max-content;
	row-gap: .34em;
	color: var(--bz-forest);
	font-family: var(--bz-font-ui);
	font-size: 26px;
	font-weight: 500;
	letter-spacing: .32em;
	line-height: 1;
	text-decoration: none;
}

.wordmark:hover,
.wordmark:focus,
.wordmark:focus-visible,
.wordmark:visited {
	color: var(--bz-forest);
	text-decoration: none;
}

.wordmark__bio {
	display: flex;
	justify-content: space-between;
	padding-bottom: .34em;
	border-bottom: max(1.5px, .07em) solid currentColor;
	letter-spacing: 0;
}

.wordmark__zahn {
	display: block;
	margin-right: -.32em;
}

.nav {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: clamp(17px, 2.8vw, 40px);
}

.nav a {
	font-size: 12px;
	font-weight: 600;
	letter-spacing: .14em;
	text-transform: uppercase;
	text-decoration: none;
}

.nav a:hover,
.nav a:focus-visible {
	color: var(--bz-accent-dark);
}

.header-action {
	padding: 10px 17px;
	border: 1px solid var(--bz-forest);
	white-space: nowrap;
	text-decoration: none;
}

/* Footer is shared by every page, so its styles live here rather than in homepage.css. */
.footer {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 22px;
	padding: 35px max(4vw, 20px);
	background: var(--bz-footer-background);
	color: var(--bz-footer-text);
	font-family: var(--bz-font-ui);
	font-size: 12px;
	letter-spacing: .06em;
}

.footer .wordmark,
.footer .wordmark:hover,
.footer .wordmark:focus,
.footer .wordmark:visited {
	color: var(--bz-gold-light);
	transform: scale(.75);
	transform-origin: left center;
}

.footer a {
	color: var(--bz-footer-text);
}

.footer a:hover,
.footer a:focus-visible {
	color: var(--bz-gold-light);
}

.footer-nav {
	display: flex;
	flex-wrap: wrap;
	gap: 8px 22px;
	margin: 0;
	padding: 0;
	list-style: none;
}

@media (max-width: 930px) {
	.nav {
		gap: 15px;
	}

	.nav a {
		font-size: 11px;
	}

	.header-action {
		display: none;
	}
}

@media (max-width: 690px) {
	.site-header {
		flex-direction: column;
		align-items: flex-start;
	}

	.nav {
		width: 100%;
		justify-content: space-between;
	}
}

/* Account links: dashboard/logout for members, login/registration for guests. */
.account-nav {
	display: flex;
	align-items: center;
	gap: 14px;
	margin-left: auto;
	font-size: 12px;
	font-weight: 600;
	letter-spacing: .1em;
	text-transform: uppercase;
	white-space: nowrap;
}

.account-nav a {
	color: var(--bz-forest);
	text-decoration: none;
}

.account-nav a:first-child {
	text-decoration: underline;
	text-decoration-color: var(--bz-gold);
	text-underline-offset: 6px;
}

.account-nav a:hover,
.account-nav a:focus-visible {
	color: var(--bz-accent-dark);
}

@media (max-width: 690px) {
	.account-nav {
		margin-left: 0;
	}
}

/* Sticky, translucent header with animated navigation underlines. */
.site-header {
	position: sticky;
	top: 0;
	z-index: 50;
	padding-block: 14px;
	background: rgba(244, 240, 232, .92);
	-webkit-backdrop-filter: saturate(1.4) blur(10px);
	backdrop-filter: saturate(1.4) blur(10px);
}

.admin-bar .site-header {
	top: 32px;
}

.nav a {
	position: relative;
	padding: 6px 0;
	color: var(--bz-forest);
}

.nav a::after {
	content: "";
	position: absolute;
	left: 0;
	bottom: 0;
	width: 100%;
	height: 2px;
	background: var(--bz-gold);
	transform: scaleX(0);
	transform-origin: left;
	transition: transform var(--bz-speed) var(--bz-ease);
}

.nav a:hover::after,
.nav a:focus-visible::after,
.nav a[aria-current="page"]::after {
	transform: scaleX(1);
}

.header-action {
	color: var(--bz-ivory);
	background: var(--bz-forest);
	font-size: 12px;
	font-weight: 600;
	letter-spacing: .12em;
	text-transform: uppercase;
	transition: background-color var(--bz-speed) var(--bz-ease), transform var(--bz-speed) var(--bz-ease);
}

.header-action:hover,
.header-action:focus-visible {
	background: var(--bz-deep);
	color: var(--bz-ivory);
	transform: translateY(-1px);
}

@media (max-width: 782px) {
	.admin-bar .site-header {
		top: 46px;
	}
}

@media (max-width: 690px) {
	.site-header {
		position: relative;
		top: auto;
	}
}

/* Keep the header on one line on laptop widths. */
@media (min-width: 931px) {
	.nav {
		flex-wrap: nowrap;
		gap: clamp(16px, 2vw, 34px);
	}

	.nav a {
		white-space: nowrap;
	}
}

@media (max-width: 1240px) {
	.site-header {
		gap: 18px;
	}

	.header-action {
		display: none;
	}

	.nav a,
	.account-nav {
		font-size: 11px;
		letter-spacing: .1em;
	}
}

/* Header menu wrapper: invisible on desktop (children stay in the header row), a toggled panel on phones. */
.header-menu {
	display: contents;
}

.menu-toggle {
	display: none;
}

@media (max-width: 690px) {
	.site-header {
		position: sticky;
		top: 0;
		flex-direction: row;
		flex-wrap: wrap;
		align-items: center;
		padding-block: 12px;
	}

	.admin-bar .site-header {
		top: 46px;
	}

	.site-header .wordmark {
		font-size: 21px;
	}

	.menu-toggle {
		display: inline-flex;
		align-items: center;
		gap: 10px;
		margin-left: auto;
		padding: 10px 14px;
		border: 1px solid var(--bz-forest);
		border-radius: var(--bz-radius-small);
		background: transparent;
		color: var(--bz-forest);
		font: 600 12px/1 var(--bz-font-ui);
		letter-spacing: .14em;
		text-transform: uppercase;
		cursor: pointer;
	}

	.menu-toggle__bars,
	.menu-toggle__bars::before,
	.menu-toggle__bars::after {
		display: block;
		width: 18px;
		height: 2px;
		background: currentColor;
		transition: transform var(--bz-speed) var(--bz-ease), opacity var(--bz-speed) var(--bz-ease);
	}

	.menu-toggle__bars {
		position: relative;
	}

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

	.menu-toggle__bars::before {
		top: -6px;
	}

	.menu-toggle__bars::after {
		top: 6px;
	}

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

	.menu-toggle[aria-expanded="true"] .menu-toggle__bars::before {
		transform: translateY(6px) rotate(45deg);
	}

	.menu-toggle[aria-expanded="true"] .menu-toggle__bars::after {
		transform: translateY(-6px) rotate(-45deg);
	}

	.header-menu {
		display: none;
		width: 100%;
	}

	.header-menu.is-open {
		display: flex;
		flex-direction: column;
		align-items: flex-start;
		gap: 18px;
		padding: 18px 0 8px;
		border-top: 1px solid var(--bz-card-border);
		margin-top: 12px;
	}

	.header-menu .nav {
		flex-direction: column;
		align-items: flex-start;
		gap: 14px;
	}

	.header-menu .nav a {
		font-size: 14px;
	}

	.header-menu .header-action {
		display: inline-block;
	}
}