/**
 * Tapgrix Child — Premium Store Header
 *
 * Parent Theme: Blocksy
 *
 * Responsibilities:
 * - Text-only Tapgrix branding
 * - Desktop navigation
 * - Responsive tablet/mobile navigation
 * - WooCommerce cart presentation
 * - Accessible keyboard navigation
 *
 * COMPATIBILITY:
 * Uses the existing tnx-* classes rendered
 * by the Tapgrix custom header.php.
 *
 * SECURITY:
 * Presentation only.
 * No payment or checkout processing.
 */

/* =========================================================
   1. HEADER FOUNDATION
   ========================================================= */

.tgx-site-header {

	--tgx-header-navy: #061126;
	--tgx-header-blue: #2563eb;
	--tgx-header-cyan: #22d3ee;

	--tgx-header-text: #f1f7ff;
	--tgx-header-muted: #a8bdd8;

	--tgx-header-border:
		rgba(170, 211, 255, 0.16);

	position: sticky;
	top: 0;
	z-index: 1100;

	width: 100%;

	color: var(--tgx-header-text);

	background:
		linear-gradient(
			105deg,
			#061126 0%,
			#0a1c3a 60%,
			#102e59 100%
		);

	border-bottom:
		1px solid var(--tgx-header-border);

	box-shadow:
		0 8px 26px rgba(6, 17, 38, 0.12);
}

body.admin-bar .tgx-site-header {
	top: 32px;
}

.tgx-site-header,
.tgx-site-header * {
	box-sizing: border-box;
}

.tgx-site-header a {
	text-decoration: none;
}

/* =========================================================
   2. HEADER CONTAINER
   ========================================================= */

.tgx-site-header .tnx-site-header__inner {

	width: min(
		1320px,
		calc(100% - 64px)
	);

	min-height: 82px;

	margin-inline: auto;

	display: flex;
	align-items: center;

	gap: clamp(
		18px,
		2.3vw,
		36px
	);
}

/* =========================================================
   3. TAPGRIX BRANDING
   ========================================================= */

.tgx-site-header .tnx-site-header__branding {

	display: flex;
	flex-direction: column;
	align-items: flex-start;
	justify-content: center;

	flex: 0 0 auto;

	gap: 5px;

	min-width: 0;
}

/* Text Logo */

.tgx-site-header .tnx-site-header__logo {

	display: inline-flex;
	align-items: center;

	color: #ffffff;

	font-size: 1.75rem;
	font-weight: 850;
	line-height: 1.1;

	letter-spacing: -0.045em;

	transition:
		color 160ms ease,
		transform 160ms ease;
}

.tgx-site-header .tnx-site-header__logo:hover {

	color: #ffffff;

	transform: translateY(-1px);
}

.tgx-site-header .tnx-site-header__logo-text {

	display: inline-block;

	color: inherit;

	white-space: nowrap;
}

/* Electric Blue Logo Accent */

.tgx-site-header .tnx-site-header__logo-text::after {

	content: ".";

	color: var(--tgx-header-cyan);
}

/* Brand Tagline */

.tgx-site-header .tnx-site-header__tagline {

	display: block;

	color: var(--tgx-header-muted);

	font-size: 0.66rem;
	font-weight: 650;
	line-height: 1.4;

	letter-spacing: 0.11em;
	text-transform: uppercase;
}

/* =========================================================
   4. DESKTOP NAVIGATION
   ========================================================= */

.tgx-site-header .tnx-site-header__nav {

	display: flex;
	align-items: center;
	justify-content: flex-end;

	flex: 1 1 auto;

	min-width: 0;

	gap: clamp(
		18px,
		2.2vw,
		34px
	);
}

.tgx-site-header .tnx-site-header__nav-link {

	position: relative;

	display: inline-flex;
	align-items: center;
	justify-content: center;

	flex-shrink: 0;

	min-height: 44px;

	color: #e2edfc;

	font-size: 0.87rem;
	font-weight: 750;
	line-height: 1.4;

	white-space: nowrap;

	transition:
		color 160ms ease;
}

/* Animated Navigation Underline */

.tgx-site-header .tnx-site-header__nav-link::after {

	content: "";

	position: absolute;

	left: 0;
	right: 0;
	bottom: 5px;

	height: 2px;

	background: var(--tgx-header-cyan);

	transform: scaleX(0);
	transform-origin: center;

	transition:
		transform 180ms ease;
}

.tgx-site-header .tnx-site-header__nav-link:hover {

	color: var(--tgx-header-cyan);
}

.tgx-site-header .tnx-site-header__nav-link:hover::after {

	transform: scaleX(1);
}

/* =========================================================
   5. HEADER ACTIONS
   ========================================================= */

.tgx-site-header .tnx-site-header__actions {

	display: flex;
	align-items: center;
	justify-content: flex-end;

	flex: 0 0 auto;

	gap: 12px;
}

/* =========================================================
   6. WOOCOMMERCE CART
   ========================================================= */

.tgx-site-header .tnx-site-header__cart {

	position: relative;

	display: inline-flex;
	align-items: center;
	justify-content: center;

	gap: 10px;

	min-height: 44px;

	padding: 9px 15px;

	border: 1px solid
		rgba(187, 220, 255, 0.2);

	border-radius: 11px;

	background:
		rgba(255, 255, 255, 0.07);

	color: #ffffff;

	font-size: 0.85rem;
	font-weight: 750;
	line-height: 1.2;

	white-space: nowrap;

	transition:
		background-color 160ms ease,
		border-color 160ms ease,
		transform 160ms ease;
}

.tgx-site-header .tnx-site-header__cart:hover {

	background:
		rgba(37, 99, 235, 0.18);

	border-color:
		rgba(34, 211, 238, 0.5);

	color: #ffffff;

	transform: translateY(-1px);
}

/* Cart Icon */

.tgx-site-header .tnx-site-header__cart-icon {

	display: block;

	width: 21px;
	height: 21px;

	flex: 0 0 auto;

	stroke: currentColor;
	stroke-width: 1.8;

	stroke-linecap: round;
	stroke-linejoin: round;
}

/* Cart Label */

.tgx-site-header .tnx-site-header__cart-label {

	display: inline-block;

	font-size: 0.83rem;
	font-weight: 750;

	color: inherit;
}

/* Dynamic Cart Counter */

.tgx-site-header .tnx-site-header__cart-count {

	position: absolute;

	top: -8px;
	right: -8px;

	display: grid;
	place-items: center;

	min-width: 21px;
	height: 21px;

	padding: 0 5px;

	border: 2px solid #0a1c3a;
	border-radius: 999px;

	background: var(--tgx-header-blue);

	color: #ffffff;

	font-size: 0.66rem;
	font-weight: 850;
	line-height: 1;

	font-variant-numeric: tabular-nums;
}

/* =========================================================
   7. ACCESSIBILITY
   ========================================================= */

.tgx-site-header a:focus-visible {

	outline:
		3px solid var(--tgx-header-cyan);

	outline-offset: 4px;

	border-radius: 5px;
}

/* =========================================================
   8. MEDIUM DESKTOP
   ========================================================= */

@media (max-width: 1100px) {

	.tgx-site-header .tnx-site-header__inner {

		width:
			calc(100% - 40px);

		gap: 22px;
	}

	.tgx-site-header .tnx-site-header__nav {

		gap: 20px;
	}

	.tgx-site-header .tnx-site-header__nav-link {

		font-size: 0.83rem;
	}

}

/* =========================================================
   9. TABLET NAVIGATION
   ========================================================= */

@media (max-width: 900px) {

	.tgx-site-header .tnx-site-header__inner {

		display: flex;
		flex-wrap: wrap;

		align-items: center;
		justify-content: space-between;

		min-height: 0;

		column-gap: 18px;
		row-gap: 0;
	}

	/* Branding occupies the top row */

	.tgx-site-header .tnx-site-header__branding {

		order: 1;

		padding-top: 16px;
		padding-bottom: 16px;
	}

	/* Cart occupies the top-right corner */

	.tgx-site-header .tnx-site-header__actions {

		order: 2;

		margin-left: auto;
	}

	/* Navigation occupies the second row */

	.tgx-site-header .tnx-site-header__nav {

		order: 3;

		flex: 0 0 100%;

		display: flex;
		justify-content: center;

		gap: clamp(
			14px,
			4vw,
			36px
		);

		min-height: 54px;

		border-top:
			1px solid var(--tgx-header-border);
	}

	.tgx-site-header .tnx-site-header__nav-link {

		min-height: 54px;

		font-size: 0.85rem;
	}

}

/* =========================================================
   10. MOBILE NAVIGATION
   ========================================================= */

@media (max-width: 600px) {

	.tgx-site-header .tnx-site-header__inner {

		width:
			calc(100% - 28px);
	}

	/* Compact Brand */

	.tgx-site-header .tnx-site-header__branding {

		gap: 4px;

		padding-top: 13px;
		padding-bottom: 13px;
	}

	.tgx-site-header .tnx-site-header__logo {

		font-size: 1.48rem;
	}

	.tgx-site-header .tnx-site-header__tagline {

		font-size: 0.57rem;

		letter-spacing: 0.08em;
	}

	/* Compact Cart */

	.tgx-site-header .tnx-site-header__cart {

		min-width: 44px;
		min-height: 44px;

		padding: 10px 11px;

		gap: 0;

		border-radius: 10px;
	}

	.tgx-site-header .tnx-site-header__cart-label {

		display: none;
	}

	.tgx-site-header .tnx-site-header__cart-icon {

		width: 21px;
		height: 21px;
	}

	/* Horizontally Scrollable Navigation */

	.tgx-site-header .tnx-site-header__nav {

		justify-content: flex-start;

		gap: 24px;

		width: 100%;

		min-width: 0;

		overflow-x: auto;
		overflow-y: hidden;

		scrollbar-width: thin;

		-webkit-overflow-scrolling: touch;

		padding-right: 3px;
	}

	.tgx-site-header .tnx-site-header__nav-link {

		flex: 0 0 auto;

		min-height: 50px;

		font-size: 0.81rem;
	}

}

/* =========================================================
   11. SMALL MOBILE
   ========================================================= */

@media (max-width: 380px) {

	.tgx-site-header .tnx-site-header__logo {

		font-size: 1.35rem;
	}

	.tgx-site-header .tnx-site-header__tagline {

		font-size: 0.53rem;
	}

	.tgx-site-header .tnx-site-header__nav {

		gap: 18px;
	}

	.tgx-site-header .tnx-site-header__nav-link {

		font-size: 0.78rem;
	}

}

/* =========================================================
   12. WORDPRESS ADMIN BAR
   ========================================================= */

@media (max-width: 782px) {

	body.admin-bar .tgx-site-header {

		top: 46px;
	}

}

/* =========================================================
   13. REDUCED MOTION
   ========================================================= */

@media (prefers-reduced-motion: reduce) {

	.tgx-site-header .tnx-site-header__logo,
	.tgx-site-header .tnx-site-header__nav-link,
	.tgx-site-header .tnx-site-header__nav-link::after,
	.tgx-site-header .tnx-site-header__cart {

		transition: none;
	}

	.tgx-site-header .tnx-site-header__logo:hover,
	.tgx-site-header .tnx-site-header__cart:hover {

		transform: none;
	}

}