/*
 * MHG site header.
 * Sticky white bar with shield-mark brand, primary nav, and CTA button.
 * Collapses to a hamburger-toggle mobile pattern below 1024px.
 */

.mhg-header {
	position: sticky;
	top: 0;
	z-index: 100;
	background-color: var(--mhg-color-white);
	border-bottom: 1px solid var(--mhg-color-border-light);
}

.mhg-header__inner {
	display: flex;
	align-items: center;
	gap: var(--mhg-space-md);
	width: 100%;
	max-width: var(--mhg-container-max);
	min-height: var(--mhg-header-height);
	margin: 0 auto;
	padding: 0 var(--mhg-space-sm);
}

/* Brand — anchor wrapping the inline MHG logo SVG */
.mhg-header__brand {
	display: inline-flex;
	align-items: center;
	margin-right: auto;
	text-decoration: none;
}

.mhg-site-header__logo-img {
	display: block;
	height: 46px;
	width: auto;
	max-width: 100%;
	object-fit: contain;
	background: transparent;
}

/* Desktop nav — hidden on mobile, shown >=1024px */
.mhg-header__nav {
	display: none;
}

.mhg-header__nav-list {
	display: flex;
	align-items: center;
	gap: var(--mhg-space-md);
	margin: 0;
	padding: 0;
	list-style: none;
}

.mhg-header__nav-list .menu-item a,
.mhg-header__nav-list li > a {
	font-family: var(--mhg-font-body);
	font-size: var(--mhg-font-size-nav);
	font-weight: 500;
	text-transform: uppercase;
	letter-spacing: 0.06em;
	color: var(--mhg-color-charcoal);
	text-decoration: none;
	transition: color var(--mhg-transition-fast);
}

.mhg-header__nav-list .menu-item a:hover,
.mhg-header__nav-list .menu-item a:focus,
.mhg-header__nav-list li > a:hover,
.mhg-header__nav-list li > a:focus {
	color: var(--mhg-color-teal);
}

.mhg-header__cta {
	padding: 0.6rem 0.9rem;
	font-size: 0.7rem;
}

/* Mobile hamburger toggle */
.mhg-header__toggle {
	display: inline-flex;
	flex-direction: column;
	justify-content: space-between;
	width: 28px;
	height: 22px;
	margin-left: var(--mhg-space-sm);
	padding: 0;
	background: transparent;
	border: 0;
	cursor: pointer;
}

.mhg-header__toggle-bar {
	display: block;
	width: 100%;
	height: 2px;
	background-color: var(--mhg-color-charcoal);
	transition: transform var(--mhg-transition-fast), opacity var(--mhg-transition-fast);
}

.mhg-header__toggle[aria-expanded="true"] .mhg-header__toggle-bar:nth-child(1) {
	transform: translateY(10px) rotate(45deg);
}

.mhg-header__toggle[aria-expanded="true"] .mhg-header__toggle-bar:nth-child(2) {
	opacity: 0;
}

.mhg-header__toggle[aria-expanded="true"] .mhg-header__toggle-bar:nth-child(3) {
	transform: translateY(-10px) rotate(-45deg);
}

/* Mobile nav drawer — slides down from the header */
.mhg-header__mobile-nav {
	background-color: var(--mhg-color-white);
	border-top: 1px solid var(--mhg-color-border-light);
}

.mhg-header__mobile-nav[hidden] {
	display: none;
}

.mhg-header__mobile-nav-list {
	display: flex;
	flex-direction: column;
	gap: var(--mhg-space-sm);
	margin: 0;
	padding: var(--mhg-space-md) var(--mhg-space-sm);
	list-style: none;
}

.mhg-header__mobile-nav-list .menu-item a,
.mhg-header__mobile-nav-list li > a {
	display: block;
	font-family: var(--mhg-font-body);
	font-size: var(--mhg-font-size-nav);
	font-weight: 500;
	text-transform: uppercase;
	letter-spacing: 0.06em;
	color: var(--mhg-color-charcoal);
	text-decoration: none;
	padding: var(--mhg-space-xs) 0;
}

.mhg-header__mobile-nav-list .menu-item a:hover,
.mhg-header__mobile-nav-list .menu-item a:focus {
	color: var(--mhg-color-teal);
}

/* Tablet & up — show the CTA next to the hamburger */
@media (min-width: 768px) {
	.mhg-header__inner {
		padding: 0 var(--mhg-space-md);
	}

	.mhg-site-header__logo-img {
		height: 58px;
	}

	.mhg-header__cta {
		padding: 0.85rem 1.5rem;
		font-size: var(--mhg-font-size-button);
	}
}

/* Desktop — full nav, hide hamburger and mobile drawer */
@media (min-width: 1024px) {
	.mhg-header__nav {
		display: block;
	}

	.mhg-header__nav-list {
		gap: var(--mhg-space-md);
	}

	.mhg-header__toggle {
		display: none;
	}

	.mhg-header__mobile-nav {
		display: none;
	}
}