/* ==========================================================================
   Header — sticky glassmorphism navigation
   ========================================================================== */

.mct-header {
	position: fixed;
	inset-inline: 0;
	top: 0;
	z-index: 1000;
	padding: 18px 0;
	background: rgba(7, 18, 33, 0.15);
	backdrop-filter: blur(4px);
	-webkit-backdrop-filter: blur(4px);
	border-bottom: 1px solid rgba(255, 255, 255, 0.08);
	transition: background var(--mct-transition), padding var(--mct-transition), box-shadow var(--mct-transition), border-color var(--mct-transition);
}

.mct-header.is-scrolled {
	padding: 12px 0;
	background: rgba(7, 18, 33, 0.82);
	backdrop-filter: blur(16px);
	-webkit-backdrop-filter: blur(16px);
	box-shadow: 0 10px 30px rgba(7, 18, 33, 0.25);
	border-color: rgba(255, 255, 255, 0.06);
}

.mct-header__inner {
	max-width: var(--mct-container);
	margin: 0 auto;
	padding: 0 24px;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 24px;
}

.mct-header__logo {
	display: inline-flex;
	align-items: center;
	gap: 12px;
	flex-shrink: 0;
}

.mct-header__logo img {
	height: 40px;
	width: auto;
	/* The header background is always a dark navy glass panel (transparent
	   or 82% opaque, see .is-scrolled below) — never light — so the logo
	   stays inverted to white at all times instead of reverting on scroll. */
	filter: brightness(0) invert(1);
}

.mct-header__logo-badge {
	font-size: 13px;
	font-weight: 700;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--mct-light-blue);
	padding-inline-start: 12px;
	border-inline-start: 1px solid rgba(255, 255, 255, 0.25);
}

.mct-header__menu {
	display: flex;
	align-items: center;
	gap: 34px;
}

.mct-header__menu a {
	font-size: 15px;
	font-weight: 500;
	color: var(--mct-white);
	position: relative;
	padding-bottom: 4px;
}

.mct-header__menu a::after {
	content: "";
	position: absolute;
	right: 0;
	bottom: 0;
	width: 0;
	height: 2px;
	background: var(--mct-light-blue);
	transition: width var(--mct-transition);
}

.mct-header__menu a:hover::after,
.mct-header__menu .current-menu-item a::after {
	width: 100%;
}

.mct-header__toggle {
	display: none;
	flex-direction: column;
	justify-content: center;
	gap: 5px;
	width: 40px;
	height: 40px;
	background: transparent;
	border: none;
	cursor: pointer;
	padding: 0;
}

.mct-header__toggle span {
	display: block;
	width: 100%;
	height: 2px;
	background: var(--mct-white);
	border-radius: 2px;
	transition: transform var(--mct-transition), opacity var(--mct-transition);
}

.mct-header__toggle[aria-expanded="true"] span:nth-child(1) {
	transform: translateY(7px) rotate(45deg);
}

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

.mct-header__toggle[aria-expanded="true"] span:nth-child(3) {
	transform: translateY(-7px) rotate(-45deg);
}

.mct-mobile-menu {
	display: none;
	flex-direction: column;
	gap: 22px;
	max-width: var(--mct-container);
	margin: 18px auto 0;
	padding: 24px;
}

.mct-mobile-menu.is-open {
	display: flex;
}

.mct-mobile-menu__list {
	display: flex;
	flex-direction: column;
	gap: 16px;
}

.mct-mobile-menu__list a {
	color: var(--mct-white);
	font-size: 17px;
	font-weight: 500;
}

.mct-mobile-menu .mct-btn {
	align-self: flex-start;
}