/* ==========================================================
   PetrolPress – Header & Navigation
========================================================== */

.site-header {
	position: relative;
	z-index: var(--z-sticky);
	width: 100%;
	background: rgba(255, 255, 255, 0.97);
	border-bottom: 1px solid rgba(12, 93, 92, 0.09);
	box-shadow: 0 5px 22px rgba(8, 63, 64, 0.035);
	transition: box-shadow var(--transition-base), background-color var(--transition-base);
}

.site-header.is-sticky {
	position: sticky;
	top: 0;
}

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

.site-header.is-scrolled {
	background: rgba(255, 255, 255, 0.985);
	box-shadow: 0 10px 34px rgba(8, 63, 64, 0.09);
}

.header-container {
	max-width: min(var(--pp-container-width, var(--container-width)), 1480px);
}

.header-inner {
	display: grid;
	grid-template-columns: minmax(210px, 0.85fr) minmax(0, 1.7fr) auto;
	align-items: center;
	gap: clamp(1.2rem, 2.4vw, 2.75rem);
	min-height: 86px;
	transition: min-height var(--transition-base);
}

.site-header.is-scrolled .header-inner {
	min-height: 76px;
}

/* Branding */
.site-branding {
	display: flex;
	align-items: center;
	min-width: 0;
}

.custom-logo-link {
	display: inline-flex;
	align-items: center;
	max-width: min(100%, 340px);
}

.custom-logo {
	display: block;
	width: auto;
	max-width: 100%;
	max-height: 66px;
	object-fit: contain;
	transition: max-height var(--transition-base);
}

.site-header.is-scrolled .custom-logo {
	max-height: 58px;
}

.site-identity {
	min-width: 0;
}

.site-title {
	display: block;
	margin: 0;
	color: var(--color-primary-deep);
	font-family: var(--font-family-heading);
	font-size: clamp(1.4rem, 2vw, 2rem);
	font-weight: var(--font-weight-bold);
	line-height: 1.05;
	text-decoration: none;
}

.site-title:hover,
.site-title:focus-visible {
	color: var(--color-primary);
}

.site-description {
	margin: 0.35rem 0 0;
	color: var(--color-primary);
	font-size: 0.68rem;
	font-weight: var(--font-weight-bold);
	letter-spacing: 0.12em;
	line-height: 1.25;
	text-transform: uppercase;
}

/* Navigation */
.main-navigation {
	display: flex;
	align-items: center;
	justify-content: flex-end;
	min-width: 0;
}

.navigation-panel {
	min-width: 0;
}

.primary-menu,
.primary-menu ul {
	margin: 0;
	padding: 0;
	list-style: none;
}

.primary-menu {
	display: flex;
	align-items: center;
	justify-content: flex-end;
	gap: clamp(0.7rem, 1.4vw, 1.45rem);
}

.primary-menu > li {
	position: relative;
	display: flex;
	align-items: center;
	margin: 0;
}

.primary-menu a {
	position: relative;
	display: inline-flex;
	align-items: center;
	min-height: 44px;
	padding: 0.7rem 0;
	color: var(--color-heading);
	font-size: clamp(0.78rem, 0.9vw, 0.9rem);
	font-weight: var(--font-weight-medium);
	line-height: 1.2;
	text-decoration: none;
	white-space: nowrap;
}

.primary-menu > li > a::after {
	content: "";
	position: absolute;
	right: 0;
	bottom: 0.35rem;
	left: 0;
	height: 2px;
	background: var(--color-primary);
	border-radius: var(--radius-pill);
	transform: scaleX(0);
	transform-origin: right;
	transition: transform var(--transition-base);
}

.primary-menu > li > a:hover,
.primary-menu > li > a:focus-visible,
.primary-menu > .current-menu-item > a,
.primary-menu > .current-menu-ancestor > a {
	color: var(--color-primary-deep);
}

.primary-menu > li > a:hover::after,
.primary-menu > li > a:focus-visible::after,
.primary-menu > .current-menu-item > a::after,
.primary-menu > .current-menu-ancestor > a::after {
	transform: scaleX(1);
	transform-origin: left;
}

.submenu-toggle {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 28px;
	height: 36px;
	margin-left: -0.25rem;
	padding: 0;
	color: var(--color-heading);
	background: transparent;
	border: 0;
	box-shadow: none;
}

.submenu-toggle:hover,
.submenu-toggle:focus-visible {
	color: var(--color-primary);
	background: transparent;
	box-shadow: none;
	transform: none;
}

.submenu-toggle svg {
	width: 15px;
	height: 15px;
	fill: none;
	stroke: currentColor;
	stroke-linecap: round;
	stroke-linejoin: round;
	stroke-width: 1.8;
	transition: transform var(--transition-base);
}

.submenu-toggle[aria-expanded="true"] svg {
	transform: rotate(180deg);
}

/* Dropdowns */
.primary-menu .sub-menu {
	position: absolute;
	top: calc(100% + 0.45rem);
	left: 50%;
	z-index: var(--z-dropdown);
	display: grid;
	gap: 0.15rem;
	width: max-content;
	min-width: 230px;
	max-width: 320px;
	padding: 0.65rem;
	visibility: hidden;
	opacity: 0;
	background: rgba(255, 255, 255, 0.99);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-md);
	box-shadow: var(--shadow-lg);
	transform: translate(-50%, 0.5rem);
	transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
}

.primary-menu .sub-menu::before {
	content: "";
	position: absolute;
	top: -6px;
	left: 50%;
	width: 12px;
	height: 12px;
	background: #fff;
	border-top: 1px solid var(--color-border);
	border-left: 1px solid var(--color-border);
	transform: translateX(-50%) rotate(45deg);
}

.primary-menu .sub-menu a {
	display: flex;
	width: 100%;
	min-height: 40px;
	padding: 0.65rem 0.8rem;
	border-radius: var(--radius-sm);
	font-size: 0.84rem;
	white-space: normal;
}

.primary-menu .sub-menu a:hover,
.primary-menu .sub-menu a:focus-visible,
.primary-menu .sub-menu .current-menu-item > a {
	color: var(--color-primary-deep);
	background: var(--color-primary-soft);
}

.primary-menu li:hover > .sub-menu,
.primary-menu li:focus-within > .sub-menu,
.primary-menu li.is-submenu-open > .sub-menu {
	visibility: visible;
	opacity: 1;
	transform: translate(-50%, 0);
}

/* Header actions */
.header-actions,
.header-socials {
	display: flex;
	align-items: center;
}

.header-actions {
	justify-content: flex-end;
	gap: 0.35rem;
}

.header-socials {
	gap: 0.15rem;
}

.header-socials a,
.header-icon-button,
.header-search-close {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 38px;
	height: 38px;
	padding: 0;
	color: var(--color-primary-deep);
	background: transparent;
	border: 0;
	border-radius: var(--radius-circle);
	box-shadow: none;
	transition: color var(--transition-fast), background-color var(--transition-fast);
}

.header-socials a:hover,
.header-socials a:focus-visible,
.header-icon-button:hover,
.header-icon-button:focus-visible,
.header-search-close:hover,
.header-search-close:focus-visible {
	color: var(--color-white);
	background: var(--color-primary);
	box-shadow: none;
	transform: none;
}

.header-socials svg,
.header-icon-button svg,
.header-search-close svg {
	width: 20px;
	height: 20px;
	fill: none;
	stroke: currentColor;
	stroke-linecap: round;
	stroke-linejoin: round;
	stroke-width: 1.7;
}

.header-socials .icon-fill {
	fill: currentColor;
	stroke: none;
}

.header-cta {
	min-height: 42px;
	margin-left: 0.35rem;
	padding-inline: 1rem;
	font-size: 0.76rem;
}

/* Search panel */
.header-search {
	position: absolute;
	top: 100%;
	right: 0;
	left: 0;
	z-index: var(--z-dropdown);
	background: rgba(255, 255, 255, 0.99);
	border-top: 1px solid var(--color-border);
	border-bottom: 1px solid var(--color-border);
	box-shadow: var(--shadow-md);
}

.header-search[hidden] {
	display: none;
}

.header-search-inner {
	position: relative;
	display: grid;
	grid-template-columns: auto minmax(260px, 680px) auto;
	align-items: center;
	justify-content: center;
	gap: 1.25rem;
	min-height: 112px;
}

.header-search-title {
	margin: 0;
	color: var(--color-heading);
	font-family: var(--font-family-heading);
	font-size: 1.2rem;
	font-weight: var(--font-weight-bold);
}

.header-search .search-form {
	width: min(100%, 680px);
	margin: 0;
}

.header-search-close {
	border: 1px solid var(--color-border);
}

/* Menu toggle */
.menu-toggle {
	display: none;
	align-items: center;
	justify-content: center;
	width: 44px;
	height: 44px;
	padding: 0;
	color: var(--color-primary-deep);
	background: var(--color-primary-soft);
	border: 1px solid rgba(11, 122, 120, 0.16);
	border-radius: var(--radius-circle);
	box-shadow: none;
}

.menu-toggle:hover,
.menu-toggle:focus-visible {
	color: var(--color-white);
	background: var(--color-primary);
	box-shadow: none;
	transform: none;
}

.menu-toggle-lines {
	position: relative;
	display: block;
	width: 20px;
	height: 14px;
}

.menu-toggle-lines::before,
.menu-toggle-lines::after,
.menu-toggle-lines span {
	content: "";
	position: absolute;
	left: 0;
	width: 100%;
	height: 2px;
	background: currentColor;
	border-radius: var(--radius-pill);
	transition: top var(--transition-base), transform var(--transition-base), opacity var(--transition-base);
}

.menu-toggle-lines::before { top: 0; }
.menu-toggle-lines span { top: 6px; }
.menu-toggle-lines::after { top: 12px; }
.menu-toggle[aria-expanded="true"] .menu-toggle-lines::before { top: 6px; transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle-lines span { opacity: 0; }
.menu-toggle[aria-expanded="true"] .menu-toggle-lines::after { top: 6px; transform: rotate(-45deg); }

/* Announcement */
.announcement-bar {
	position: relative;
	z-index: calc(var(--z-sticky) + 1);
	padding: 0.5rem var(--container-padding);
	color: var(--color-white);
	background: var(--gradient-primary);
	text-align: center;
}

.announcement-bar p {
	margin: 0;
	color: inherit;
	font-size: 0.78rem;
	font-weight: var(--font-weight-semibold);
}

.announcement-bar a {
	color: inherit;
	font-weight: var(--font-weight-bold);
	text-decoration: underline;
	text-underline-offset: 0.18em;
}

@media (max-width: 1180px) {
	.header-inner {
		grid-template-columns: minmax(190px, 0.75fr) minmax(0, 1.55fr) auto;
		gap: 1.25rem;
	}

	.primary-menu {
		gap: 0.8rem;
	}

	.header-socials {
		display: none;
	}
}

@media (max-width: 980px) {
	.site-header::after {
		content: "";
		position: fixed;
		inset: 0;
		z-index: -1;
		visibility: hidden;
		opacity: 0;
		background: rgba(8, 63, 64, 0.35);
		transition: opacity var(--transition-base), visibility var(--transition-base);
	}

	.site-header.has-open-menu::after {
		visibility: visible;
		opacity: 1;
	}

	.header-inner {
		grid-template-columns: minmax(0, 1fr) auto auto;
		gap: 0.55rem;
		min-height: 76px;
	}

	.site-header.is-scrolled .header-inner {
		min-height: 70px;
	}

	.custom-logo {
		max-height: 56px;
	}

	.main-navigation {
		position: static;
		order: 3;
	}

	.menu-toggle {
		display: inline-flex;
	}

	.navigation-panel {
		position: absolute;
		top: 100%;
		right: 0;
		left: 0;
		z-index: var(--z-dropdown);
		max-height: calc(100vh - 76px);
		padding: 0 var(--container-padding) 1rem;
		overflow-y: auto;
		visibility: hidden;
		opacity: 0;
		background: #fff;
		border-top: 1px solid var(--color-border);
		box-shadow: var(--shadow-lg);
		transform: translateY(-0.5rem);
		transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
	}

	.main-navigation.is-open .navigation-panel {
		visibility: visible;
		opacity: 1;
		transform: translateY(0);
	}

	.primary-menu {
		display: grid;
		gap: 0;
		width: min(100%, var(--pp-container-width, var(--container-width)));
		margin-inline: auto;
	}

	.primary-menu > li {
		display: grid;
		grid-template-columns: minmax(0, 1fr) 48px;
		border-bottom: 1px solid var(--color-border);
	}

	.primary-menu > li:last-child {
		border-bottom: 0;
	}

	.primary-menu > li > a {
		min-height: 54px;
		padding: 0.9rem 0;
		font-size: 0.95rem;
	}

	.primary-menu > li > a::after {
		display: none;
	}

	.submenu-toggle {
		width: 48px;
		height: 54px;
		margin: 0;
	}

	.primary-menu .sub-menu {
		position: static;
		grid-column: 1 / -1;
		display: none;
		width: 100%;
		min-width: 0;
		max-width: none;
		padding: 0 0 0.75rem 1rem;
		visibility: visible;
		opacity: 1;
		background: transparent;
		border: 0;
		border-radius: 0;
		box-shadow: none;
		transform: none;
	}

	.primary-menu .sub-menu::before {
		display: none;
	}

	.primary-menu li.is-submenu-open > .sub-menu {
		display: grid;
	}

	.primary-menu .sub-menu a {
		min-height: 44px;
		padding: 0.65rem 0.75rem;
	}

	.header-actions {
		order: 2;
	}

	.header-cta {
		display: none;
	}
}

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

@media (max-width: 640px) {
	.header-inner {
		grid-template-columns: minmax(0, 1fr) auto auto;
		min-height: 68px;
	}

	.custom-logo-link {
		max-width: min(70vw, 270px);
	}

	.custom-logo {
		max-height: 50px;
	}

	.site-description {
		display: none;
	}

	.header-socials {
		display: none;
	}

	.header-icon-button,
	.menu-toggle {
		width: 42px;
		height: 42px;
	}

	.header-search-inner {
		grid-template-columns: minmax(0, 1fr) auto;
		gap: 0.65rem;
		min-height: auto;
		padding-block: 1rem;
	}

	.header-search-title {
		grid-column: 1 / -1;
		font-size: 1rem;
	}

	.header-search .search-form {
		min-width: 0;
	}
}