/**
 * Header Styling: Biotech Clinical Aesthetics
 */

/* Top Announcement Bar */
.usa-topbar {
	background: #090d16;
	color: #94a3b8;
	font-size: 12px;
	padding: 8px 20px;
	border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.usa-topbar-inner {
	max-width: 1240px;
	margin: 0 auto;
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.usa-topbar-left strong {
	color: #38bdf8;
}

/* Main Navigation Header */
.usa-custom-header {
	background: #ffffff;
	border-bottom: 1px solid #e2e8f0;
	position: sticky;
	top: 0;
	z-index: 999;
	box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04);
}

.usa-header-inner {
	max-width: 1240px;
	margin: 0 auto;
	padding: 16px 20px;
	display: flex;
	align-items: center;
	justify-content: space-between;
}

/* Brand Logo */
.usa-header-logo {
	display: flex;
	flex-direction: column;
	text-decoration: none;
}

.usa-logo-title {
	font-size: 22px;
	font-weight: 900;
	letter-spacing: 1.2px;
	color: #0f172a;
	line-height: 1;
}

.usa-logo-subtitle {
	font-size: 10px;
	text-transform: uppercase;
	letter-spacing: 2px;
	color: #0ea5e9;
	font-weight: 700;
	margin-top: 3px;
}

/* Desktop Navigation */
.usa-main-nav {
	display: flex;
	align-items: center;
}

.usa-nav-list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	gap: 28px;
	align-items: center;
}

.usa-nav-list a {
	text-decoration: none;
	color: #334155;
	font-weight: 600;
	font-size: 14px;
	letter-spacing: 0.2px;
	transition: color 0.2s ease;
	position: relative;
	padding: 6px 0;
}

.usa-nav-list a:hover,
.usa-nav-list a.active {
	color: #0ea5e9;
}

.usa-nav-list a.active::after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 0;
	width: 100%;
	height: 2px;
	background: #0ea5e9;
	border-radius: 2px;
}

/* Header Utilities */
.usa-header-actions {
	display: flex;
	align-items: center;
	gap: 16px;
}

.usa-action-btn {
	color: #334155;
	display: flex;
	align-items: center;
	justify-content: center;
	width: 40px;
	height: 40px;
	border-radius: 50%;
	transition: background-color 0.2s ease, color 0.2s ease;
	text-decoration: none;
	position: relative;
}

.usa-action-btn:hover {
	background: #f1f5f9;
	color: #0ea5e9;
}

.usa-cart-count {
	position: absolute;
	top: 4px;
	right: 4px;
	background: #0ea5e9;
	color: #ffffff;
	font-size: 10px;
	font-weight: 800;
	min-width: 18px;
	height: 18px;
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 0 4px;
}

/* Mobile Toggle */
.usa-mobile-toggle {
	display: none;
	flex-direction: column;
	gap: 4px;
	background: none;
	border: none;
	cursor: pointer;
	padding: 8px;
}

.usa-mobile-toggle span {
	width: 22px;
	height: 2px;
	background: #0f172a;
	transition: 0.3s;
}

@media (max-width: 860px) {
	.usa-main-nav {
		display: none; /* Can be toggled with mobile menu */
	}
	.usa-mobile-toggle {
		display: flex;
	}
	.usa-topbar-right {
		display: none;
	}
}