/**
 * RecipesJV — Header Layout
 * Sticky top bar with logo, desktop nav, and mobile hamburger.
 */

/* ── Site Header ── */

.site-header {
	position: sticky;
	top: 0;
	z-index: 200;
	background-color: var(--color-white);
	border-bottom: 1px solid var(--color-border);
	transition: box-shadow var(--transition);
}

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

.header-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: 68px;
	gap: var(--space-4);
}

/* ── Logo ── */

.site-logo a,
.site-logo .custom-logo-link {
	display: flex;
	align-items: center;
	text-decoration: none;
}

.site-logo img,
.site-logo .custom-logo {
	height: 44px;
	width: auto;
}

.site-logo-text {
	font-family: var(--font-heading);
	font-size: var(--text-xl);
	font-weight: 700;
	color: var(--color-text);
	text-decoration: none;
	transition: color var(--transition);
}

.site-logo-text:hover {
	color: var(--color-primary);
}

/* ── Desktop Navigation ── */

.primary-nav {
	display: none;
}

.primary-nav ul {
	display: flex;
	align-items: center;
	gap: var(--space-6);
	list-style: none;
	margin: 0;
	padding: 0;
}

.primary-nav li {
	position: relative;
}

.primary-nav a {
	font-family: var(--font-heading);
	font-size: var(--text-sm);
	font-weight: 600;
	color: var(--color-text);
	text-decoration: none;
	padding-block: var(--space-2);
	transition: color var(--transition);
	white-space: nowrap;
}

.primary-nav a:hover,
.primary-nav .current-menu-item > a,
.primary-nav .current-menu-ancestor > a {
	color: var(--color-primary);
}

/* Sub-menu */
.primary-nav .sub-menu {
	display: none;
	position: absolute;
	top: calc(100% + var(--space-2));
	left: 0;
	min-width: 200px;
	background-color: var(--color-white);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-md);
	box-shadow: var(--shadow-lg);
	padding: var(--space-2) 0;
	flex-direction: column;
	gap: 0;
	z-index: 100;
}

.primary-nav li:hover > .sub-menu {
	display: flex;
}

.primary-nav .sub-menu li {
	width: 100%;
}

.primary-nav .sub-menu a {
	display: block;
	padding: var(--space-2) var(--space-4);
	color: var(--color-text);
	font-size: var(--text-sm);
}

/* ── Hamburger Button ── */

.nav-toggle {
	display: flex;
	flex-direction: column;
	justify-content: center;
	gap: 5px;
	width: 40px;
	height: 40px;
	padding: var(--space-2);
	background: none;
	border: none;
	cursor: pointer;
	border-radius: var(--radius-sm);
	transition: background-color var(--transition);
	flex-shrink: 0;
}

.nav-toggle:hover {
	background-color: var(--color-bg-alt);
}

.nav-toggle span {
	display: block;
	width: 22px;
	height: 2px;
	background-color: var(--color-text);
	border-radius: 2px;
	transition: transform var(--transition), opacity var(--transition);
	transform-origin: center;
}

.nav-toggle.is-active span:nth-child(1) {
	transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-active span:nth-child(2) {
	opacity: 0;
	transform: scaleX(0);
}

.nav-toggle.is-active span:nth-child(3) {
	transform: translateY(-7px) rotate(-45deg);
}

/* ── Mobile Navigation Overlay ── */

.mobile-nav {
	display: none;
	position: fixed;
	top: 68px; /* matches header height */
	left: 0;
	right: 0;
	bottom: 0;
	background-color: var(--color-white);
	padding: var(--space-6);
	overflow-y: auto;
	z-index: 190;
	border-top: 1px solid var(--color-border);
}

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

.mobile-nav ul {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
}

.mobile-nav li {
	border-bottom: 1px solid var(--color-border);
}

.mobile-nav a {
	font-family: var(--font-heading);
	font-size: var(--text-lg);
	font-weight: 600;
	color: var(--color-text);
	display: block;
	padding-block: var(--space-4);
	text-decoration: none;
	transition: color var(--transition);
}

.mobile-nav a:hover,
.mobile-nav .current-menu-item > a {
	color: var(--color-primary);
}

.mobile-nav .sub-menu {
	padding-inline-start: var(--space-4);
}

.mobile-nav .sub-menu a {
	font-size: var(--text-base);
	color: var(--color-text-muted);
}

/* ── Responsive: show desktop nav on tablet+ ── */

@media (min-width: 768px) {
	.primary-nav {
		display: flex;
	}

	.nav-toggle {
		display: none;
	}

	.mobile-nav {
		display: none !important; /* always hidden on desktop */
	}
}