.site-header {
	position: sticky;
	top: 0;
	z-index: 1000;
	background: rgba(237, 246, 255, 0.78);
	backdrop-filter: blur(10px);
	border-bottom: 1px solid rgba(11, 28, 44, 0.08);
	transform: translateY(0);
	opacity: 1;
	transition:
		box-shadow var(--dur) var(--ease),
		padding var(--dur) var(--ease),
		background var(--dur) var(--ease),
		transform var(--dur) var(--ease),
		opacity var(--dur) var(--ease);
}

.site-header.is-hidden {
	transform: translateY(-110%);
	opacity: 0;
	pointer-events: none;
}

.site-header::after {
	content: "";
	position: absolute;
	left: 0;
	right: 0;
	bottom: -1px;
	height: 3px;
	background: linear-gradient(90deg, var(--blue), var(--green), var(--blue));
	background-size: 220% 100%;
	animation: brandDivider 3.2s linear infinite;
	pointer-events: none;
}

@keyframes brandDivider {
	0% {
		background-position: 0% 50%;
	}
	50% {
		background-position: 100% 50%;
	}
	100% {
		background-position: 0% 50%;
	}
}

.header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 14px;
	padding: 18px 0;
}

.site-header.is-compact .header__inner {
	padding: 12px 0;
}

.site-header.is-scrolled {
	box-shadow: 0 14px 50px rgba(11, 28, 44, 0.12);
	background: rgba(237, 246, 255, 0.9);
}

@media (prefers-reduced-motion: reduce) {
	.site-header::after {
		animation: none;
		background-size: 100% 100%;
	}
}

.header__logo img {
	width: 300px;
	max-width: 46vw;
	height: auto;
}

.site-header.is-compact .header__logo img {
	width: 260px;
}

@media (max-width: 420px) {
	.header__logo img {
		width: 184px;
		max-width: 56vw;
	}

	.header__inner {
		gap: 10px;
	}
}

.header__nav {
	display: none;
	align-items: center;
	gap: 18px;
}

.nav-link {
	font-weight: 700;
	color: rgba(11, 28, 44, 0.78);
	position: relative;
	padding: 10px 8px;
	border-radius: 12px;
	transition:
		background var(--dur) var(--ease),
		color var(--dur) var(--ease);
}

.nav-link:hover {
	background: rgb(var(--blue-rgb) / 0.1);
	color: rgba(11, 28, 44, 0.92);
}

.nav-link.is-active {
	background: rgb(var(--blue-rgb) / 0.12);
	color: rgba(11, 28, 44, 0.92);
	border: 1px solid rgba(11, 28, 44, 0.12);
}

.header__actions {
	display: flex;
	align-items: center;
	gap: 10px;
}

.hamburger {
	width: 44px;
	height: 44px;
	border-radius: 14px;
	border: 1px solid rgba(11, 28, 44, 0.14);
	background: rgba(237, 246, 255, 0.78);
	display: inline-flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	gap: 5px;
	cursor: pointer;
	transition:
		transform var(--dur-fast) var(--ease),
		box-shadow var(--dur) var(--ease),
		background var(--dur) var(--ease);
}

.hamburger:hover {
	transform: translateY(-1px);
	box-shadow: var(--shadow-sm);
	background: rgba(237, 246, 255, 0.92);
}

.hamburger:focus-visible {
	outline: 3px solid rgb(var(--blue-rgb) / 0.35);
	outline-offset: 3px;
}

.hamburger__bar {
	width: 18px;
	height: 2px;
	background: rgba(11, 28, 44, 0.8);
	border-radius: 999px;
	transition:
		transform 220ms var(--ease),
		opacity 220ms var(--ease);
}

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

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

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

/* Mobile menu */
.mobile-menu {
	position: fixed;
	inset: 0;
	display: grid;
	grid-template-columns: 1fr;
	pointer-events: none;
	opacity: 0;
	transition: opacity var(--dur) var(--ease);
	z-index: 9999;
}

.mobile-menu.is-open {
	pointer-events: auto;
	opacity: 1;
}

.mobile-menu__overlay {
	position: absolute;
	inset: 0;
	background: rgba(11, 28, 44, 0.55);
	backdrop-filter: blur(6px);
	opacity: 0;
	transition: opacity 240ms var(--ease);
	z-index: 0;
}

.mobile-menu.is-open .mobile-menu__overlay {
	opacity: 1;
}

.mobile-menu__panel {
	position: absolute;
	right: 0;
	top: 0;
	bottom: 0;
	width: min(360px, 92vw);
	background: rgba(237, 246, 255, 0.98);
	border-left: 1px solid rgba(11, 28, 44, 0.12);
	box-shadow: 0 30px 90px rgba(11, 28, 44, 0.26);
	padding: max(16px, env(safe-area-inset-top)) 16px max(16px, env(safe-area-inset-bottom));
	transform: translateX(105%);
	transition: transform 420ms var(--ease);
	display: grid;
	grid-template-rows: auto 1fr auto;
	gap: 14px;
	overflow: auto;
	overscroll-behavior: contain;
	z-index: 1;
}

@media (max-width: 360px) {
	.mobile-menu__panel {
		width: 94vw;
	}
}

.mobile-menu.is-open .mobile-menu__panel {
	transform: translateX(0);
}

.mobile-menu__top {
	display: flex;
	align-items: center;
	justify-content: space-between;
}

.mobile-menu__title {
	font-family: Poppins, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
	font-weight: 800;
	letter-spacing: -0.02em;
}

.mobile-menu__close {
	width: 44px;
	height: 44px;
	border-radius: 14px;
	border: 1px solid rgba(11, 28, 44, 0.14);
	background: rgba(237, 246, 255, 0.9);
	cursor: pointer;
	display: grid;
	place-items: center;
}

.mobile-menu__close svg {
	width: 20px;
	height: 20px;
}

.mobile-menu__nav {
	display: grid;
	gap: 10px;
	padding: 8px 0;
}

.mobile-link {
	display: flex;
	align-items: center;
	justify-content: space-between;
	width: 100%;
	padding: 12px 12px;
	border-radius: 14px;
	background: rgba(237, 246, 255, 0.78);
	border: 1px solid rgba(11, 28, 44, 0.12);
	font-weight: 800;
	color: rgba(11, 28, 44, 0.84);
	min-height: 46px;
	transition:
		transform var(--dur-fast) var(--ease),
		box-shadow var(--dur) var(--ease),
		background var(--dur) var(--ease);
}

.mobile-link::after {
	content: "→";
	color: rgba(11, 28, 44, 0.45);
	font-weight: 900;
	margin-left: 10px;
}

.mobile-link:hover {
	transform: translateY(-1px);
	background: rgba(237, 246, 255, 0.94);
	box-shadow: var(--shadow-sm);
}

.mobile-link.is-active {
	background: rgba(237, 246, 255, 0.94);
	border-color: rgb(var(--blue-rgb) / 0.35);
	box-shadow: var(--shadow-sm);
}

.mobile-link:focus-visible {
	outline: 3px solid rgb(var(--blue-rgb) / 0.35);
	outline-offset: 3px;
}

.mobile-menu__cta {
	display: grid;
	gap: 10px;
}

/* Improve contrast for CTA in mobile menu */
.mobile-menu__cta .btn--cta {
	background: var(--navy);
}

.mobile-menu__note {
	color: rgba(11, 28, 44, 0.62);
	font-weight: 600;
	margin: 0;
}

/* When menu is open, prevent background scroll bounce */
html.menu-open {
	overflow: hidden;
}

@media (min-width: 980px) {
	.header__nav {
		display: flex;
	}

	.hamburger {
		display: none;
	}
}