/* Purpose: Site header + full-screen nav overlay (BEM). From Figma node 2182:1927. */

.site-header {
	position: sticky;
	top: 0;
	z-index: var(--z-sticky);
	background-color: var(--color-bg);
	border-bottom: 1px solid #2a2a2e;
	backdrop-filter: blur(5px);
	-webkit-backdrop-filter: blur(5px);
	transition: transform var(--duration-base) var(--ease-out);
	will-change: transform;
}
/* Hidden while scrolling down; restored on scroll up (see header.js). */
.site-header.is-hidden { transform: translateY(-100%); }
/* Keep the header visible while the full-screen nav overlay is open. */
body.nav-open .site-header.is-hidden { transform: none; }

.site-header__inner {
	display: grid;
	grid-template-columns: 1fr auto 1fr;
	align-items: center;
	gap: var(--space-4);
	padding: var(--space-5) var(--space-5);
	max-width: var(--container-max);
	margin-inline: auto;
}

@media (min-width: 768px) {
	.site-header__inner { padding: 20px var(--space-8) 21px; }
}

.site-header__col {
	display: flex;
	align-items: center;
}
.site-header__col--right {
	justify-content: flex-end;
	gap: var(--space-5);
}
@media (min-width: 768px) {
	.site-header__col--right { gap: var(--space-8); }
}

.site-header__logo {
	display: flex;
	align-items: center;
	justify-content: center;
}
.site-header__logo-img {
	width: auto;
	height: 40px;
}
@media (min-width: 768px) {
	.site-header__logo-img { height: 53px; }
}
.site-header__wordmark {
	font-family: var(--font-heading);
	font-weight: var(--weight-bold);
	font-size: var(--text-xl);
	letter-spacing: var(--tracking-tight);
	color: var(--color-text-strong);
	text-transform: uppercase;
}

.site-header__menu-toggle,
.site-header__icon-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	color: var(--color-text);
	transition: color var(--duration-base) var(--ease-out);
}
.site-header__menu-toggle:hover,
.site-header__icon-btn:hover { color: var(--color-primary); }

.site-header__icon { display: block; }

.site-header__cart { position: relative; }
.site-header__cart-count {
	position: absolute;
	top: -6px;
	right: -8px;
	min-width: 16px;
	height: 16px;
	padding: 0 4px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	border-radius: var(--radius-full);
	background: var(--color-primary);
	color: var(--color-text-strong);
	font-family: var(--font-body);
	font-size: 0.625rem;
	font-weight: var(--weight-medium);
	line-height: 1;
}
.site-header__cart-count[hidden] { display: none; }

/* ---- Full-screen nav overlay ---- */
.nav-overlay {
	position: fixed;
	inset: 0;
	z-index: var(--z-modal);
	background-color: var(--color-bg);
	display: flex;
	opacity: 0;
	visibility: hidden;
	transform: translateY(-12px);
	transition: opacity var(--duration-slow) var(--ease-out),
		transform var(--duration-slow) var(--ease-out),
		visibility 0s linear var(--duration-slow);
}
.nav-overlay.is-open {
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
	transition: opacity var(--duration-slow) var(--ease-out),
		transform var(--duration-slow) var(--ease-out);
}

.nav-overlay__inner {
	position: relative;
	width: 100%;
	max-width: var(--container-2xl);
	margin-inline: auto;
	padding: var(--space-16) var(--space-8);
	display: flex;
	flex-direction: column;
	justify-content: center;
	gap: var(--space-8);
}

.nav-overlay__close {
	position: absolute;
	top: var(--space-8);
	right: var(--space-8);
	color: var(--color-text);
}
.nav-overlay__close:hover { color: var(--color-primary); }

.nav-overlay__menu {
	display: flex;
	flex-direction: column;
	gap: var(--space-4);
}
.nav-overlay__menu a {
	font-family: var(--font-heading);
	font-weight: var(--weight-light);
	font-size: var(--text-4xl);
	letter-spacing: var(--tracking-tight);
	color: var(--color-text);
}
.nav-overlay__menu a:hover { color: var(--color-primary); }

.nav-overlay__cta { align-self: flex-start; }

body.nav-open { overflow: hidden; }