/* ---------- Site header ---------- */

.site-header {
	position: fixed;
	inset-inline: 0;
	top: 0;
	z-index: 100;
	background: transparent;
	border-bottom: 1px solid transparent;
	color: var(--ink-text);
	--text: var(--ink-text);
	transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
/* Transparent only on the home page; solid everywhere else and once scrolled. */
.site-header.is-scrolled,
body:not(.is-front) .site-header {
	background: color-mix(in srgb, var(--ink-bg) 96%, transparent);
	backdrop-filter: blur(12px);
	border-bottom-color: var(--ink-border);
	box-shadow: 0 8px 30px rgba(0, 0, 0, 0.28);
}
/* On non-home pages the header is opaque black from the first paint. */
body:not(.is-front) .site-header { background: var(--ink-bg); }
.site-header a:hover { color: #fff; }

/* Every page starts with a dark hero, so offset the fixed header only when
   there isn't one. */
body:not(.has-hero) .site-main { padding-top: var(--header-h); }

.site-header__bar {
	display: flex;
	align-items: center;
	gap: 28px;
	height: var(--header-h);
}

/* Logo */
.site-logo {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	font-family: var(--font-head);
	font-weight: 800;
	letter-spacing: 0.04em;
	font-size: 1.15rem;
	color: #fff;
	flex-shrink: 0;
}
.site-logo img { height: 34px; width: auto; display: block; }
.site-logo .site-logo__img { height: clamp(26px, 2.4vw, 34px); }
@media (max-width: 600px) { .site-logo .site-logo__img { height: 24px; } }

/* Primary nav — centred between logo and utilities */
.primary-nav { margin-inline: auto; }
.primary-nav > ul {
	display: flex;
	align-items: center;
	gap: clamp(18px, 2.4vw, 40px);
}
.primary-nav a {
	font-family: var(--font-head);
	font-size: 0.82rem;
	font-weight: 600;
	letter-spacing: 0.09em;
	text-transform: uppercase;
	color: rgba(255, 255, 255, 0.78);
	padding-block: 10px;
	position: relative;
	white-space: nowrap;
}
.primary-nav a:hover { color: #fff; }
.primary-nav .current-menu-item > a,
.primary-nav .current_page_item > a { color: var(--accent); }
.primary-nav .current-menu-item > a::after,
.primary-nav .current_page_item > a::after {
	content: "";
	position: absolute;
	inset-inline: 0;
	bottom: -2px;
	height: 2px;
	background: var(--accent);
}

/* Sub menu */
.primary-nav li { position: relative; }
.primary-nav .sub-menu {
	position: absolute;
	inset-inline-start: 0;
	top: 100%;
	min-width: 220px;
	background: var(--ink-surface);
	border: 1px solid var(--ink-border);
	border-radius: var(--radius-sm);
	padding: 8px;
	display: grid;
	gap: 2px;
	opacity: 0;
	visibility: hidden;
	transform: translateY(6px);
	transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility var(--dur);
	box-shadow: var(--shadow);
}
.primary-nav li:hover > .sub-menu,
.primary-nav li:focus-within > .sub-menu {
	opacity: 1; visibility: visible; transform: translateY(0);
}
.primary-nav .sub-menu a {
	display: block;
	padding: 9px 12px;
	border-radius: var(--radius-xs);
	letter-spacing: 0.04em;
}
.primary-nav .sub-menu a:hover { background: var(--ink-surface-2); }

/* Utility icons */
.header-utils {
	display: flex;
	align-items: center;
	gap: 4px;
	flex-shrink: 0;
}
.header-utils__btn {
	width: 42px; height: 42px;
	display: grid; place-items: center;
	border-radius: 50%;
	color: rgba(255, 255, 255, 0.82);
	transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.header-utils__btn:hover { background: rgba(255,255,255,0.10); color: #fff; }
.header-utils__btn .icon { width: 21px; height: 21px; stroke-width: 1.5; }

.header-cart { position: relative; }
.header-cart__count {
	position: absolute;
	top: 2px; inset-inline-end: 2px;
	min-width: 17px; height: 17px;
	padding: 0 4px;
	display: grid; place-items: center;
	background: var(--accent);
	color: #fff;
	font-size: 0.6rem;
	font-weight: 800;
	border-radius: 999px;
	border: 2px solid var(--ink-bg);
}
.site-header.is-scrolled .header-cart__count { border-color: #121214; }

/* Header search dropdown */
.header-search {
	display: none;
	border-top: 1px solid var(--ink-border);
	background: var(--ink-surface);
	padding-block: 16px;
}
.header-search.is-open { display: block; }
.header-search .search-form { max-width: none; }

/* Language switcher + theme toggle sit in a subtle group after the cart */
.lang-switch {
	display: flex;
	align-items: center;
	position: relative;
	margin-inline-start: 8px;
	padding-inline-start: 10px;
}
.lang-switch::before {
	content: "";
	position: absolute;
	inset-inline-start: 0;
	top: 50%;
	transform: translateY(-50%);
	width: 1px;
	height: 20px;
	background: rgba(255, 255, 255, 0.16);
}
.lang-switch button,
.lang-switch a {
	font-family: var(--font-head);
	font-size: 0.72rem;
	font-weight: 700;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: rgba(255, 255, 255, 0.6);
	padding: 8px 8px;
	border-radius: var(--radius-xs);
}
.lang-switch a:hover { color: #fff; }
.lang-switch a.is-active { color: var(--accent); }

/* Theme toggle */
.theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

/* Mobile */
.nav-toggle { display: none; }

.mobile-nav {
	position: fixed;
	inset: 0;
	inset-block-start: var(--header-h);
	background: var(--ink-bg);
	padding: 24px var(--gutter) 48px;
	overflow-y: auto;
	transform: translateX(100%);
	transition: transform var(--dur) var(--ease);
	z-index: 99;
	display: none;
}
[dir="rtl"] .mobile-nav { transform: translateX(-100%); }
.mobile-nav.is-open { transform: translateX(0); }
.mobile-nav ul { display: grid; gap: 2px; }
.mobile-nav a {
	display: block;
	padding: 14px 6px;
	font-family: var(--font-head);
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.06em;
	font-size: 0.95rem;
	color: var(--ink-text);
	border-bottom: 1px solid var(--ink-border);
}
.mobile-nav .sub-menu { padding-inline-start: 14px; }
.mobile-nav .sub-menu a { font-size: 0.82rem; color: var(--ink-text-muted); text-transform: none; }

@media (max-width: 1080px) {
	.primary-nav { display: none; }
	.nav-toggle { display: grid; }
	.mobile-nav { display: block; }
	.site-header__bar { gap: 16px; }
	.primary-nav { margin-inline-start: 0; }
	.header-utils { margin-inline-start: auto; }
}
@media (max-width: 560px) {
	.header-utils__btn.is-optional { display: none; }
}