/**
 * TKA Energy — Header & Navigation
 *
 * Matches Industrial demo3 reference theme styles.
 */

/* ── Top Bar ───────────────────────────────── */
.top-bar {
	position: relative;
	z-index: 1001;
	background: #16242e;
	color: #8c8c8c;
	font-size: 12px;
	height: var(--top-bar-height);
	line-height: var(--top-bar-height);
}

.top-bar .container {
	display: flex;
	justify-content: space-between;
	align-items: center;
	height: 100%;
}

.top-bar-left {
	display: flex;
	align-items: center;
	gap: var(--space-md);
}

.top-bar-left .contact-info {
	display: flex;
	list-style: none;
	gap: var(--space-lg);
	margin: 0;
	padding: 0;
}

.top-bar-left .contact-info li {
	display: flex;
	align-items: center;
	gap: 6px;
	color: #8c8c8c;
	font-size: 12px;
}

.top-bar-left .contact-info i {
	color: var(--color-primary);
	font-size: var(--font-size-base);
}

.top-bar-right {
	display: flex;
	align-items: center;
}

.top-bar-right .social {
	gap: var(--space-xs);
}

.top-bar-right .social a {
	width: 28px;
	height: 28px;
	font-size: 12px;
	background: rgba(255,255,255,0.08);
}

/* ── Site Header ───────────────────────────── */

/* Classic (inner pages): white bg, normal flow, dark text */
.site-header.classic {
	position: relative;
	top: 0;
	left: 0;
	right: 0;
	z-index: 1000;
	background: #ffffff;
	transition: background var(--transition), box-shadow var(--transition);
}

/* Transparent (homepage): absolute over hero, no background */
.site-header.transparent {
	position: absolute;
	top: var(--top-bar-height);
	left: 0;
	right: 0;
	z-index: 1000;
	background: transparent;
	transition: background var(--transition), box-shadow var(--transition), top var(--transition);
}

/* Both styles when sticky */
.site-header.transparent.sticky {
	position: fixed;
	top: 0;
	background: #ffffff;
	box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
}

.site-header.classic.sticky {
	position: fixed;
	top: 0;
	box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
}

.header-wrap {
	display: flex;
	align-items: center;
	justify-content: space-between;
	min-height: 80px;
}

.site-header.sticky .header-wrap {
	min-height: 60px;
}

/* ── Logo ──────────────────────────────────── */
.site-logo {
	flex-shrink: 0;
}

.site-logo .custom-logo-link {
	display: block;
}

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

.site-header.sticky .custom-logo {
	max-height: 40px;
}

/* Text logo fallback */
.site-logo .logo-text {
	font-family: var(--font-heading);
	font-size: var(--font-size-xl);
	font-weight: var(--font-weight-bold);
	color: #16242e;
	text-transform: uppercase;
	letter-spacing: 1px;
	text-decoration: none;
}

/* Transparent header (homepage): white logo text over hero */
.site-header.transparent .logo-text {
	color: #ffffff;
	text-shadow: 0 1px 3px rgba(0,0,0,0.4);
}

.site-header.sticky .logo-text {
	color: #16242e;
	text-shadow: none;
}

/* ── Navigation ────────────────────────────── */
.site-navigation {
	flex: 1;
	display: flex;
	justify-content: flex-end;
	align-items: center;
}

.main-menu {
	display: flex;
	align-items: center;
	gap: 5px;
	list-style: none;
	margin: 0;
	padding: 0;
}

/* Top-level menu links: default dark, white on transparent header */
.main-menu > .menu-item > a {
	display: block;
	padding: 10px var(--space-md);
	font-family: var(--font-heading);
	font-size: 13px;
	font-weight: 500;
	color: #16242e;
	text-transform: uppercase;
	text-decoration: none;
	transition: color var(--transition-fast);
	position: relative;
}

/* Transparent header (homepage): white nav links over hero */
.site-header.transparent .main-menu > .menu-item > a {
	color: #ffffff;
	text-shadow: 0 1px 3px rgba(0,0,0,0.4);
}

/* Hover / focus: dark blue */
.main-menu > .menu-item > a:hover,
.main-menu > .menu-item > a:focus {
	color: #2a76a9;
}

/* Sticky header: dark nav links (white bg on all pages) */
.site-header.sticky .main-menu > .menu-item > a {
	color: #16242e;
	text-shadow: none;
}

.site-header.sticky .menu-search-toggle {
	color: #16242e;
}

.site-header.sticky .burger span {
	background: #16242e;
}

/* Active / current: primary blue */
.main-menu > .menu-item.current-menu-item > a,
.main-menu > .current-menu-item > a {
	color: #3498db;
}

/* Dropdown */
.main-menu .has-dropdown {
	position: relative;
}

.main-menu .sub-menu {
	position: absolute;
	top: 100%;
	left: 0;
	width: 240px;
	background: #ffffff;
	box-shadow: var(--box-shadow);
	border-radius: var(--border-radius-sm);
	padding: var(--space-sm) 0;
	opacity: 0;
	visibility: hidden;
	transform: translateY(8px);
	transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
	z-index: 1001;
	list-style: none;
	margin: 0;
}

.main-menu .has-dropdown:hover > .sub-menu {
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
}

.main-menu .sub-menu .menu-item a {
	display: block;
	padding: 8px var(--space-lg);
	font-family: var(--font-heading);
	font-size: 12px;
	font-weight: 400;
	color: #8c8c8c;
	text-decoration: none;
	transition: color var(--transition-fast), background var(--transition-fast);
}

.main-menu .sub-menu .menu-item a:hover {
	color: #ffffff;
	background: #3498db;
}

/* Search toggle */
.menu-search-toggle {
	background: none;
	border: none;
	color: #16242e;
	font-size: var(--font-size-base);
	cursor: pointer;
	padding: 10px;
	transition: color var(--transition-fast);
}

/* Transparent header (homepage): white search icon over hero */
.site-header.transparent .menu-search-toggle {
	color: #ffffff;
	text-shadow: 0 1px 3px rgba(0,0,0,0.4);
}

.menu-search-toggle:hover {
	color: #2a76a9;
}

.menu-search-form {
	position: absolute;
	top: 100%;
	right: 0;
	width: 280px;
	background: #ffffff;
	padding: var(--space-md);
	box-shadow: var(--box-shadow);
	border-radius: var(--border-radius-sm);
}

.menu-search-form.hide {
	display: none;
}

/* ── Hamburger / Burger ────────────────────── */
.burger {
	display: none;
	flex-direction: column;
	gap: 5px;
	background: none;
	border: none;
	cursor: pointer;
	padding: 5px;
	z-index: 1002;
}

.burger span {
	display: block;
	width: 25px;
	height: 2px;
	background: #16242e;
	transition: transform var(--transition), opacity var(--transition);
}

/* Transparent header (homepage): white burger lines over hero */
.site-header.transparent .burger span {
	background: #ffffff;
}

.burger.active .burger-top {
	transform: rotate(45deg) translate(5px, 5px);
}

.burger.active .burger-middle {
	opacity: 0;
}

.burger.active .burger-bottom {
	transform: rotate(-45deg) translate(5px, -5px);
}

/* ── Mobile Menu ───────────────────────────── */
.mobile-overlay {
	display: none;
	position: fixed;
	inset: 0;
	background: rgba(0,0,0,0.5);
	z-index: 999;
	opacity: 0;
	transition: opacity var(--transition);
}

.mobile-overlay.active {
	opacity: 1;
}

.mobile-nav {
	position: fixed;
	top: 0;
	right: -300px;
	width: 300px;
	height: 100vh;
	background: #ffffff;
	z-index: 1001;
	padding: var(--space-xl);
	overflow-y: auto;
	transition: right var(--transition);
}

.mobile-nav.active {
	right: 0;
}

.mobile-nav .main-menu {
	flex-direction: column;
	align-items: stretch;
	gap: 0;
}

.mobile-nav .main-menu .menu-item a {
	display: block;
	padding: 12px 0;
	border-bottom: 1px solid var(--color-border);
	color: #16242e;
	font-family: var(--font-heading);
	font-size: 14px;
	font-weight: 500;
	text-transform: uppercase;
	text-decoration: none;
}

.mobile-nav .main-menu .menu-item.current-menu-item > a {
	color: #3498db;
}

.mobile-nav .main-menu .sub-menu {
	position: static;
	opacity: 1;
	visibility: visible;
	transform: none;
	box-shadow: none;
	width: 100%;
	padding-left: var(--space-md);
	border: none;
	background: transparent;
}

.mobile-nav .main-menu .sub-menu .menu-item a {
	font-size: 12px;
	font-weight: 400;
	color: #8c8c8c;
}