/**
 * Tank Free Home - Header
 * Top bar, site header, primary navigation and the mobile menu drawer.
 */

/* ==========================================================================
   1. Top bar
   ========================================================================== */

.tfh-topbar {
	background: var(--tfh-white);
	color: var(--tfh-grey-500);
	border-bottom: 1px solid var(--tfh-grey-100);
}

.tfh-topbar__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--tfh-space-4);
	height: var(--tfh-topbar-height);
	font-size: var(--tfh-fs-xs);
}

.tfh-topbar__contact {
	display: flex;
	align-items: center;
	gap: var(--tfh-space-5);
	min-width: 0;
}

.tfh-topbar__item {
	display: inline-flex;
	align-items: center;
	gap: var(--tfh-space-2);
	overflow: hidden;
	color: var(--tfh-grey-500);
	text-overflow: ellipsis;
	white-space: nowrap;
}

.tfh-topbar__item svg {
	flex: 0 0 auto;
	color: var(--tfh-accent);
}

.tfh-topbar__item:hover {
	color: var(--tfh-navy);
}

.tfh-topbar__aside {
	display: flex;
	flex-shrink: 0;
	align-items: center;
	gap: var(--tfh-space-5);
}

.tfh-topbar__socials {
	display: flex;
	align-items: center;
	gap: var(--tfh-space-2);
	margin: 0;
	padding: 0;
	list-style: none;
}

.tfh-topbar__socials a {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 24px;
	height: 24px;
	border-radius: var(--tfh-radius-circle);
	background: var(--tfh-grey-100);
	color: var(--tfh-grey-500);
	transition: background-color var(--tfh-transition), color var(--tfh-transition);
}

.tfh-topbar__socials a:hover {
	background: var(--tfh-accent);
	color: var(--tfh-white);
}

.tfh-topbar__cta {
	display: inline-flex;
	align-items: center;
	gap: var(--tfh-space-2);
	color: var(--tfh-ink);
	font-weight: var(--tfh-fw-semibold);
	white-space: nowrap;
}

.tfh-topbar__cta svg {
	color: var(--tfh-accent);
}

.tfh-topbar__cta:hover {
	color: var(--tfh-accent);
}

@media (max-width: 720px) {
	.tfh-topbar__contact .tfh-topbar__item:nth-child(2) {
		display: none;
	}
}

@media (max-width: 560px) {
	.tfh-topbar__socials {
		display: none;
	}
}

/* ==========================================================================
   2. Site header
   ========================================================================== */

.tfh-header {
	position: relative;
	z-index: var(--tfh-z-header);
	background: var(--tfh-header-bg);
	box-shadow: var(--tfh-shadow-sm);
}

.tfh-header .tfh-nav__list a,
.tfh-header .tfh-branding__name,
.tfh-header .tfh-branding__tagline,
.tfh-header .tfh-menu-toggle {
	color: var(--tfh-white);
}

.tfh-header .tfh-branding__tagline {
	color: var(--tfh-on-dark-70);
}

.tfh-header .tfh-nav__list .current-menu-item > a,
.tfh-header .tfh-nav__list .current_page_item > a,
.tfh-header .tfh-nav__list .current-menu-ancestor > a,
.tfh-header .tfh-nav__list .current_page_ancestor > a {
	color: var(--tfh-accent);
}

.tfh-header .tfh-nav__list .sub-menu a {
	color: var(--tfh-ink);
}

.tfh-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--tfh-space-6);
	height: var(--tfh-header-height);
}

/* Overlay variant: transparent, sits on top of the hero on the front page. */
.tfh-header--overlay {
	position: absolute;
	top: var(--tfh-topbar-height);
	left: 0;
	right: 0;
	background: transparent;
	box-shadow: none;
}

.tfh-header--overlay .tfh-nav__list a,
.tfh-header--overlay .tfh-branding__name {
	color: var(--tfh-white);
}

/* Sticky variant: pinned to the top, turns solid white once scrolled. */
.tfh-header--sticky {
	position: sticky;
	top: 0;
	background: transparent;
	box-shadow: none;
	transition: background-color var(--tfh-transition), box-shadow var(--tfh-transition);
}

.tfh-header--sticky:not(.is-scrolled) .tfh-nav__list a,
.tfh-header--sticky:not(.is-scrolled) .tfh-branding__name {
	color: var(--tfh-white);
}

.tfh-header--sticky:not(.is-scrolled) .tfh-menu-toggle {
	color: var(--tfh-white);
}

.tfh-header--sticky.is-scrolled {
	background: var(--tfh-header-bg);
	box-shadow: var(--tfh-shadow-sm);
}

/* ------------------------------------------------------------------------
   Branding
   ------------------------------------------------------------------------ */

.tfh-branding {
	display: flex;
	align-items: center;
	gap: var(--tfh-space-2);
	flex-shrink: 0;
}

.tfh-branding__logo {
	width: auto;
}

.tfh-branding__text {
	display: flex;
	flex-direction: column;
	line-height: 1.2;
}

.tfh-branding__name {
	color: var(--tfh-navy);
	font-size: 1.5rem;
	font-weight: var(--tfh-fw-bold);
}

.tfh-branding__tagline {
	color: var(--tfh-grey-500);
	font-size: var(--tfh-fs-xs);
}

/* ------------------------------------------------------------------------
   Primary navigation
   ------------------------------------------------------------------------ */

.tfh-nav {
	display: flex;
	align-items: center;
	gap: var(--tfh-space-8);
}

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

.tfh-nav__list a {
	color: var(--tfh-ink);
	font-size: var(--tfh-fs-sm);
	font-weight: var(--tfh-fw-medium);
}

.tfh-nav__list .current-menu-item > a,
.tfh-nav__list .current_page_item > a,
.tfh-nav__list .current-menu-ancestor > a,
.tfh-nav__list .current_page_ancestor > a {
	color: var(--tfh-accent);
}

.tfh-nav__list > li {
	position: relative;
}

.tfh-nav__list > li.menu-item-has-children > a {
	display: inline-flex;
	align-items: center;
	gap: 4px;
}

.tfh-nav__list > li.menu-item-has-children > a::after {
	content: "";
	width: 9px;
	height: 9px;
	border-right: 1.5px solid currentColor;
	border-bottom: 1.5px solid currentColor;
	transform: rotate(45deg);
	transition: transform var(--tfh-transition);
}

.tfh-nav__list > li.menu-item-has-children:hover > a::after {
	transform: rotate(225deg);
}

.tfh-nav__list .sub-menu {
	position: absolute;
	top: calc(100% + 14px);
	left: 0;
	z-index: var(--tfh-z-drawer);
	min-width: 220px;
	margin: 0;
	padding: var(--tfh-space-2);
	border-radius: var(--tfh-radius-md);
	background: var(--tfh-white);
	box-shadow: var(--tfh-shadow-lg);
	list-style: none;
	opacity: 0;
	visibility: hidden;
	transform: translateY(6px);
	transition: opacity var(--tfh-transition), transform var(--tfh-transition), visibility var(--tfh-transition);
}

.tfh-nav__list > li.menu-item-has-children:hover .sub-menu,
.tfh-nav__list > li.menu-item-has-children:focus-within .sub-menu {
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
}

.tfh-nav__list .sub-menu a {
	display: block;
	padding: var(--tfh-space-2) var(--tfh-space-3);
	border-radius: var(--tfh-radius-sm);
	color: var(--tfh-ink);
	white-space: nowrap;
}

.tfh-nav__list .sub-menu a:hover {
	background: var(--tfh-accent-10);
	color: var(--tfh-accent);
}

/* ------------------------------------------------------------------------
   Header actions - CTA + mobile toggle
   ------------------------------------------------------------------------ */

.tfh-header__actions {
	display: none;
	align-items: center;
	gap: var(--tfh-space-5);
	flex-shrink: 0;
}

.tfh-menu-toggle {
	display: none;
	align-items: center;
	justify-content: center;
	width: 44px;
	height: 44px;
	padding: 0;
	border: 0;
	border-radius: var(--tfh-radius-sm);
	background: transparent;
	color: var(--tfh-ink);
}

.tfh-header--overlay .tfh-menu-toggle {
	color: var(--tfh-white);
}

.tfh-menu-toggle__bars,
.tfh-menu-toggle__bars::before,
.tfh-menu-toggle__bars::after {
	display: block;
	width: 22px;
	height: 2px;
	background: currentColor;
	border-radius: 2px;
	transition: transform var(--tfh-transition), opacity var(--tfh-transition);
}

.tfh-menu-toggle__bars {
	position: relative;
}

.tfh-menu-toggle__bars::before,
.tfh-menu-toggle__bars::after {
	content: "";
	position: absolute;
	left: 0;
}

.tfh-menu-toggle__bars::before {
	top: -7px;
}

.tfh-menu-toggle__bars::after {
	top: 7px;
}

.tfh-menu-toggle[aria-expanded="true"] .tfh-menu-toggle__bars {
	background: transparent;
}

.tfh-menu-toggle[aria-expanded="true"] .tfh-menu-toggle__bars::before {
	top: 0;
	transform: rotate(45deg);
}

.tfh-menu-toggle[aria-expanded="true"] .tfh-menu-toggle__bars::after {
	top: 0;
	transform: rotate(-45deg);
}

.tfh-nav__cta.is-mobile {
	display: none;
}

.tfh-nav__close {
	display: none;
}

/* ==========================================================================
   3. Mobile navigation drawer
   ========================================================================== */

@media (max-width: 1024px) {
	.tfh-header__actions{
		display: flex;
	}
	.tfh-header__actions > .tfh-btn {
		display: none;
	}

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

	.tfh-nav {
		position: fixed;
		top: 0;
		right: 0;
		bottom: 0;
		z-index: var(--tfh-z-drawer);
		display: flex;
		flex-direction: column;
		align-items: flex-start;
		gap: var(--tfh-space-6);
		width: min(340px, 84vw);
		padding: calc(var(--tfh-header-height) + var(--tfh-space-6)) var(--tfh-space-6) var(--tfh-space-8);
		background: var(--tfh-white);
		box-shadow: var(--tfh-shadow-lg);
		overflow-y: auto;
		transform: translateX(100%);
		transition: transform var(--tfh-transition-slow);
	}

	.tfh-nav.is-open {
		transform: translateX(0);
	}

	.tfh-nav__close {
		position: absolute;
		top: var(--tfh-space-5);
		right: var(--tfh-space-5);
		display: flex;
		align-items: center;
		justify-content: center;
		width: 40px;
		height: 40px;
		padding: 0;
		border: 0;
		border-radius: var(--tfh-radius-circle);
		background: var(--tfh-grey-50);
		color: var(--tfh-ink);
		transition: background-color var(--tfh-transition), color var(--tfh-transition);
	}

	.tfh-nav__close:hover,
	.tfh-nav__close:focus-visible {
		background: var(--tfh-accent);
		color: var(--tfh-white);
	}

	.tfh-header--overlay .tfh-nav a,
	.tfh-header--sticky .tfh-nav a,
	.tfh-nav a {
		color: var(--tfh-ink);
	}

	.tfh-nav__list {
		flex-direction: column;
		align-items: flex-start;
		gap: var(--tfh-space-4);
		width: 100%;
	}

	.tfh-nav__list .sub-menu {
		position: static;
		visibility: visible;
		opacity: 1;
		transform: none;
		box-shadow: none;
		display: none;
		margin-top: var(--tfh-space-2);
		padding-left: var(--tfh-space-4);
	}

	.tfh-nav__list > li.menu-item-has-children.is-open .sub-menu {
		display: block;
	}

	.tfh-nav__cta.is-mobile {
		display: block;
		width: 100%;
	}

	.tfh-nav__cta.is-mobile .tfh-btn {
		width: 100%;
	}
}

.tfh-nav-backdrop {
	position: fixed;
	inset: 0;
	z-index: calc(var(--tfh-z-drawer) - 1);
	background: rgba(11, 34, 58, 0.5);
	opacity: 0;
	visibility: hidden;
	transition: opacity var(--tfh-transition), visibility var(--tfh-transition);
}

.tfh-nav-backdrop.is-open {
	opacity: 1;
	visibility: visible;
	display: none;
}

@media (min-width: 1025px) {
	.tfh-nav-backdrop {
		display: none;
	}
}