/*
 * Header Component — Mobile-First
 *
 * Includes: promo bar, sticky nav, hamburger menu, mega-menu.
 * Breakpoint: 1100px for nav collapse.
 */

/* ==========================================================================
   Promo Bar
   ========================================================================== */

.gambit-promo-bar {
	background-color: var(--signal-red);
	color: var(--warm-white);
	font-size: 14px;
	line-height: 1.4;
	padding: 8px 0;
	text-align: center;
	position: relative;
	z-index: 1001;
}

/* Persistent mode — sticks to top, header sits below it */
.gambit-promo-bar--persistent {
	position: sticky;
	top: 0;
}

.gambit-promo-bar.is-dismissed {
	display: none;
}

.gambit-promo-bar .gambit-container {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 12px;
}

.gambit-promo-bar__text {
	margin: 0;
}

.gambit-promo-bar__text strong {
	font-weight: 700;
}

.gambit-promo-bar__link {
	color: var(--warm-white);
	text-decoration: underline;
	text-underline-offset: 2px;
	font-weight: 500;
	white-space: nowrap;
}

.gambit-promo-bar__link:hover {
	opacity: 0.85;
}

.gambit-promo-bar__close {
	flex-shrink: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	width: 28px;
	height: 28px;
	padding: 0;
	background: none;
	border: none;
	color: var(--warm-white);
	cursor: pointer;
	opacity: 0.8;
	border-radius: 50%;
	transition: opacity 0.15s ease, background-color 0.15s ease;
}

.gambit-promo-bar__close:hover {
	opacity: 1;
	background-color: rgba(255, 255, 255, 0.15);
}

/* ==========================================================================
   Header — Base (Mobile)
   ========================================================================== */

.gambit-header {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 1000;
	background-color: rgba(26, 26, 30, 0.97);
	border-bottom: 1px solid var(--warm-white-6);
	transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Subtle gradient accent on the bottom edge of the header */
.gambit-header::after {
	content: "";
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	height: 1px;
	background: linear-gradient(
		90deg,
		transparent,
		rgba(196, 61, 47, 0.3),
		transparent
	);
}

.gambit-header.is-hidden {
	transform: translateY(-100%);
}

/* Spacer to prevent content from hiding behind fixed header */
.gambit-header-spacer {
	height: var(--header-height);
}

/* --header-height override at 1100px is in global.css :root */

.gambit-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: var(--header-height);
}

/* Logo */
.gambit-header__logo {
	text-decoration: none;
	color: var(--warm-white);
	flex-shrink: 0;
}

.gambit-header__logo-img {
	height: 40px;
	width: auto;
	display: block;
}

/* ==========================================================================
   Navigation — Hidden on mobile (desktop nav only, mobile uses .gambit-mobile-nav)
   ========================================================================== */

.gambit-header__nav {
	display: none;
}

.gambit-header__menu {
	list-style: none;
	margin: 0;
	padding: 0;
}

.gambit-header__menu-item {
	border-bottom: 1px solid var(--warm-white-8);
}

.gambit-header__menu-link {
	display: flex;
	align-items: center;
	justify-content: space-between;
	width: 100%;
	padding: 16px 0;
	color: var(--warm-white);
	font-family: var(--font-heading);
	font-weight: 500;
	font-size: 18px;
	text-decoration: none;
	background: none;
	border: none;
	cursor: pointer;
	transition: color 0.15s ease;
}

.gambit-header__menu-link:hover {
	color: var(--signal-red);
}

.gambit-header__chevron {
	transition: transform 0.2s ease;
}

.gambit-header__dropdown-trigger[aria-expanded="true"] .gambit-header__chevron {
	transform: rotate(180deg);
}

/* ==========================================================================
   Mobile Nav Panel — Outside header for backdrop-filter to work
   ========================================================================== */

.gambit-mobile-nav {
	display: none;
	position: fixed;
	top: 12px;
	right: 12px;
	bottom: 12px;
	width: 85%;
	max-width: 340px;
	background-color: rgba(26, 26, 30, 0.5);
	-webkit-backdrop-filter: blur(40px) saturate(1.5);
	backdrop-filter: blur(40px) saturate(1.5);
	z-index: 1002;
	padding: 24px;
	overflow-y: auto;
	border-radius: 20px;
	transform: translateX(calc(100% + 12px));
	transition: transform 0.3s ease;
}

.gambit-mobile-nav.is-open {
	display: block;
	transform: translateX(0);
}

.gambit-mobile-nav.is-animating {
	display: block;
}

/* Page stack — only active page is visible */
.gambit-mobile-nav__page {
	display: none;
}

.gambit-mobile-nav__page.is-active {
	display: block;
}

/* Header row — title/back + close */
.gambit-mobile-nav__header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-bottom: 24px;
}

.gambit-mobile-nav__title {
	font-family: var(--font-heading);
	font-size: 24px;
	font-weight: 700;
	color: var(--warm-white);
}

.gambit-mobile-nav__header-actions {
	display: flex;
	align-items: center;
	gap: 4px;
}

.gambit-mobile-nav__login {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 40px;
	height: 40px;
	color: var(--warm-white);
	opacity: 0.7;
	transition: opacity 0.15s ease;
}

.gambit-mobile-nav__login:hover {
	opacity: 1;
}

.gambit-mobile-nav__close {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 40px;
	height: 40px;
	background: none;
	border: none;
	color: var(--warm-white);
	cursor: pointer;
	opacity: 0.7;
	transition: opacity 0.15s ease;
}

.gambit-mobile-nav__close:hover {
	opacity: 1;
}

.gambit-mobile-nav__back {
	background: none;
	border: none;
	color: var(--warm-white);
	font-family: var(--font-body);
	font-size: 15px;
	cursor: pointer;
	padding: 0;
	opacity: 0.7;
	transition: opacity 0.15s ease;
}

.gambit-mobile-nav__back:hover {
	opacity: 1;
}

/* Sub-page title */
.gambit-mobile-nav__page-title {
	font-family: var(--font-heading);
	font-size: 24px;
	font-weight: 700;
	color: var(--warm-white);
	margin: 0 0 20px;
}

/* Section labels */
.gambit-mobile-nav__section-label {
	display: block;
	font-family: var(--font-heading);
	font-size: 11px;
	font-weight: 700;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: var(--off-white);
	opacity: 0.4;
	margin-bottom: 12px;
	margin-top: 8px;
}

/* List */
.gambit-mobile-nav__list {
	list-style: none;
	margin: 0 0 24px;
	padding: 0;
}

/* Nav items */
.gambit-mobile-nav__item {
	display: flex;
	align-items: center;
	justify-content: space-between;
	width: 100%;
	padding: 14px 0;
	color: var(--warm-white);
	font-family: var(--font-heading);
	font-weight: 500;
	font-size: 17px;
	text-decoration: none;
	background: none;
	border: none;
	border-bottom: 1px solid var(--warm-white-8);
	cursor: pointer;
	transition: color 0.15s ease;
}

.gambit-mobile-nav__item:hover {
	color: var(--signal-red);
}

.gambit-mobile-nav__item svg {
	opacity: 0.4;
	flex-shrink: 0;
}

.gambit-mobile-nav__item--primary {
	color: var(--signal-red);
}

/* Banner card */
.gambit-mobile-nav__banner {
	border-radius: 16px;
	overflow: hidden;
	background-color: var(--warm-white-6);
	margin-bottom: 24px;
}

.gambit-mobile-nav__banner-img {
	width: 100%;
	height: 140px;
	object-fit: cover;
}

.gambit-mobile-nav__banner-title {
	font-family: var(--font-heading);
	font-size: 16px;
	font-weight: 700;
	color: var(--warm-white);
	margin: 16px 16px 12px;
}

.gambit-mobile-nav__banner .gambit-btn {
	margin: 0 16px 16px;
}

/* Sub-page CTA button */
.gambit-mobile-nav__cta {
	display: block;
	width: 100%;
	text-align: center;
	margin-top: 8px;
}

/* Hide on desktop */
@media (min-width: 1100px) {
	.gambit-mobile-nav {
		display: none !important;
	}
}

/* Dropdown items in mobile nav — primary link color */
.gambit-mobile-nav .gambit-header__dropdown-item--primary {
	color: var(--signal-red);
	font-weight: 500;
}

/* ==========================================================================
   Background Dim — darkens page when dropdown opens (desktop only via JS)
   Sits outside <header> to avoid backdrop-filter stacking context.
   ========================================================================== */

.gambit-header__dim {
	display: none;
	position: fixed;
	inset: 0;
	background-color: rgba(0, 0, 0, 0.4);
	z-index: 999;
}

.gambit-header__dim.is-visible {
	display: block;
}

/* ==========================================================================
   NEW Badge (Clinical Teal — attention-grabbing, distinct from Signal Red CTAs)
   ========================================================================== */

.gambit-header__badge {
	display: inline-block;
	font-family: var(--font-heading);
	font-size: 9px;
	font-weight: 700;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--white);
	background-color: var(--clinical-teal);
	border-radius: 20px;
	padding: 2px 8px;
	margin-left: 6px;
	vertical-align: middle;
	line-height: 1.4;
}

/* ==========================================================================
   Mega Panel + Simple Dropdown — Mobile (accordion style)
   ========================================================================== */

/* Both mega-panel and simple dropdown are hidden by default on mobile */
.gambit-header__mega-panel,
.gambit-header__dropdown {
	display: none;
	padding: 0 0 12px 16px;
}

.gambit-header__mega-panel.is-open,
.gambit-header__dropdown.is-open {
	display: block;
}

/* Mega column headings hidden on mobile (just show links flat) */
.gambit-header__mega-heading {
	display: none;
}

/* Mega banner hidden on mobile */
.gambit-header__mega-banner {
	display: none;
}

/* Mega links on mobile — flat list */
.gambit-header__mega-link {
	display: block;
	padding: 10px 0;
	font-family: var(--font-body);
	font-size: 15px;
	color: var(--off-white);
	opacity: 0.7;
	text-decoration: none;
	border-bottom: 1px solid var(--warm-white-4);
	transition: color 0.15s ease, opacity 0.15s ease;
}

.gambit-header__mega-link:last-child {
	border-bottom: none;
}

.gambit-header__mega-link:hover {
	color: var(--warm-white);
	opacity: 1;
}

.gambit-header__mega-link--primary {
	color: var(--signal-red);
	opacity: 1;
	font-weight: 500;
}

/* Simple dropdown items */
.gambit-header__dropdown-item {
	display: block;
	padding: 10px 0;
	font-family: var(--font-body);
	font-size: 15px;
	color: var(--off-white);
	opacity: 0.7;
	text-decoration: none;
	border-bottom: 1px solid var(--warm-white-4);
	transition: color 0.15s ease, opacity 0.15s ease;
}

.gambit-header__dropdown-item:last-child {
	border-bottom: none;
}

.gambit-header__dropdown-item:hover {
	color: var(--warm-white);
	opacity: 1;
}

/* ==========================================================================
   Actions (CTA + Hamburger)
   ========================================================================== */

.gambit-header__actions {
	display: flex;
	align-items: center;
	gap: 12px;
}

/* CTA always visible — smaller on mobile, like Maximus */
.gambit-header__cta {
	display: inline-flex;
	min-height: 36px;
	padding: 6px 16px;
	font-size: 13px;
}

/* Log In — desktop only, like Maximus */
.gambit-header__login {
	display: none;
	font-family: var(--font-heading);
	font-size: 14px;
	font-weight: 500;
	color: var(--warm-white);
	text-decoration: none;
	padding: 8px 16px;
	border: 1px solid var(--warm-white-20);
	border-radius: var(--radius-button);
	transition: border-color 0.2s ease, color 0.2s ease;
}

.gambit-header__login:hover {
	border-color: var(--warm-white);
	color: var(--warm-white);
}

@media (min-width: 1100px) {
	.gambit-header__login {
		display: inline-flex;
	}
}

/* Hamburger */
.gambit-header__hamburger {
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	gap: 5px;
	width: 44px;
	height: 44px;
	padding: 0;
	background: none;
	border: none;
	cursor: pointer;
	z-index: 1003;
}

.gambit-header__hamburger-line {
	display: block;
	width: 24px;
	height: 2px;
	background-color: var(--warm-white);
	border-radius: 2px;
	transition: transform 0.3s ease, opacity 0.2s ease;
}

/* Hamburger → X animation */
.gambit-header__hamburger[aria-expanded="true"] .gambit-header__hamburger-line:nth-child(1) {
	transform: translateY(7px) rotate(45deg);
}

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

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

/* Mobile overlay backdrop — appended to body */
.gambit-header__overlay {
	display: none;
	position: fixed;
	inset: 0;
	background-color: rgba(0, 0, 0, 0.5);
	z-index: 1001;
}

.gambit-header__overlay.is-visible {
	display: block;
}


/* ==========================================================================
   Desktop — min-width: 1100px
   ========================================================================== */

@media (min-width: 1100px) {
	.gambit-header__inner {
		height: var(--header-height);
	}

	/* Navigation becomes horizontal inline */
	.gambit-header__nav {
		display: flex;
		position: static;
		width: auto;
		max-width: none;
		height: auto;
		background: none;
		padding: 0;
		overflow: visible;
		transform: none;
		transition: none;
	}

	.gambit-header__menu {
		display: flex;
		align-items: center;
		gap: 4px;
	}

	.gambit-header__menu-item {
		border-bottom: none;
		position: relative;
	}

	.gambit-header__menu-link:hover {
		background-color: var(--warm-white-6);
		color: var(--warm-white);
	}

	/* Show desktop CTA */
	.gambit-header__cta {
		display: inline-flex;
		min-height: 40px;
		padding: 8px 24px;
		font-size: 14px;
	}

	/* Hide hamburger */
	.gambit-header__hamburger {
		display: none;
	}

	/* ==========================================================================
	   Background Dim — shows when any dropdown is open (like Maximus)
	   ========================================================================== */

	/* Dim sits outside the header element to avoid stacking context issues */

	/* ==========================================================================
	   Mega Panel — Desktop (3-column, light bg, like Maximus)
	   ========================================================================== */

	.gambit-header__mega-panel {
		position: absolute;
		top: 100%;
		left: 50%;
		transform: translateX(-50%) translateY(8px);
		width: 720px;
		background-color: rgba(26, 26, 30, 0.5);
		-webkit-backdrop-filter: blur(32px) saturate(1.5);
		backdrop-filter: blur(32px) saturate(1.5);
		border: 1px solid var(--warm-white-10);
		border-radius: 16px;
		padding: 28px;
		box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
		opacity: 0;
		visibility: hidden;
		pointer-events: none;
		transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
		z-index: 1000;
	}

	.gambit-header__mega-panel.is-open {
		/* Must override mobile display:block with grid */
		display: grid !important;
		grid-template-columns: 1fr 1fr 1fr;
		gap: 24px;
		opacity: 1;
		visibility: visible;
		pointer-events: auto;
		transform: translateX(-50%) translateY(0);
	}

	/* Column headings visible on desktop */
	.gambit-header__mega-heading {
		display: block;
		font-family: var(--font-heading);
		font-size: 11px;
		font-weight: 700;
		letter-spacing: 0.1em;
		text-transform: uppercase;
		color: var(--off-white);
		opacity: 0.4;
		margin-bottom: 12px;
	}

	/* Mega links on desktop — white text for readability */
	.gambit-header__mega-link {
		padding: 7px 0;
		border-bottom: none;
		font-size: 14px;
		color: var(--warm-white);
		opacity: 0.85;
	}

	.gambit-header__mega-link:hover {
		color: var(--warm-white);
		opacity: 1;
	}

	.gambit-header__mega-link--primary {
		color: var(--signal-red);
		opacity: 1;
		font-weight: 600;
	}

	/* Banner visible on desktop — card with image */
	.gambit-header__mega-banner {
		display: flex;
		flex-direction: column;
		background-color: var(--warm-white-6);
		border-radius: 12px;
		padding: 16px;
		gap: 10px;
		overflow: hidden;
	}

	.gambit-header__mega-banner-title {
		font-family: var(--font-heading);
		font-size: 15px;
		font-weight: 700;
		color: var(--warm-white);
		line-height: 1.3;
		margin: 0;
	}

	.gambit-header__mega-banner-img {
		width: 100%;
		border-radius: 8px;
		object-fit: cover;
		max-height: 120px;
	}

	.gambit-header__mega-banner-link {
		font-family: var(--font-heading);
		font-size: 14px;
		font-weight: 500;
		color: var(--signal-red);
		text-decoration: none;
		transition: opacity 0.15s ease;
	}

	.gambit-header__mega-banner-link:hover {
		opacity: 0.8;
	}

	/* ==========================================================================
	   Simple Dropdown — Desktop (light bg, for "More")
	   ========================================================================== */

	.gambit-header__dropdown {
		position: absolute;
		top: 100%;
		left: 50%;
		transform: translateX(-50%) translateY(8px);
		min-width: 220px;
		background-color: rgba(26, 26, 30, 0.5);
		-webkit-backdrop-filter: blur(32px) saturate(1.5);
		backdrop-filter: blur(32px) saturate(1.5);
		border: 1px solid var(--warm-white-10);
		border-radius: 12px;
		padding: 8px;
		box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
		opacity: 0;
		visibility: hidden;
		pointer-events: none;
		transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
		z-index: 1000;
	}

	.gambit-header__dropdown.is-open {
		opacity: 1;
		visibility: visible;
		pointer-events: auto;
		transform: translateX(-50%) translateY(0);
	}

	.gambit-header__dropdown-item {
		padding: 10px 16px;
		border-radius: 8px;
		border-bottom: none;
		font-size: 14px;
		color: var(--off-white);
		opacity: 0.7;
	}

	.gambit-header__dropdown-item:hover {
		background-color: var(--warm-white-6);
		color: var(--warm-white);
		opacity: 1;
	}

	/* Desktop nav link sizing */
	.gambit-header__menu-link {
		padding: 8px 10px;
		font-size: 14px;
		border-radius: 8px;
		white-space: nowrap;
	}
}