/**
 * Insights Child — header.css
 *
 * Custom Astra child theme header. Mirrors the reference design:
 *   /AndreDouglas.me/insights-homepage-v2.html
 *
 * Sections:
 *   1.  Design tokens (CSS variables)
 *   2.  Skip link
 *   3.  Utility bar
 *   4.  Main nav — base & scrolled state
 *   5.  Logo
 *   6.  Nav links & dropdowns (desktop)
 *   7.  Nav-right (search, CTA)
 *   8.  Hamburger button
 *   9.  Mobile overlay menu
 *  10.  Body scroll lock
 *  11.  Focus-visible styles
 *  12.  Responsive breakpoints (960px, 600px)
 *  13.  prefers-reduced-motion
 */

/* ──────────────────────────────────────────────────────────────
 * 1. DESIGN TOKENS
 * ────────────────────────────────────────────────────────────── */
:root {
	--crimson:        #8B1A1A;
	--crimson-bright: #E8192C;
	--cream:          #f5f0eb;
	--paper:          #FAF7F2;
	--ink:            #1a1a1a;
	--text:           #1a1a1a;
	--text-dim:       rgba(26, 26, 26, 0.65);
	--text-mute:      rgba(26, 26, 26, 0.45);
	--line:           rgba(26, 26, 26, 0.08);
	--line-hi:        rgba(26, 26, 26, 0.14);

	--header-max:     1320px;
	--header-pad:     32px;
	--util-h:         38px;
	--nav-pad-y:      16px;
}

/* ──────────────────────────────────────────────────────────────
 * 2. SKIP LINK — first focusable element on the page
 * ────────────────────────────────────────────────────────────── */
.skip-link {
	position: absolute;
	left: -9999px;
	top: 8px;
	z-index: 9999;
	background: var(--ink);
	color: var(--cream);
	padding: 10px 16px;
	font-family: 'Jost', sans-serif;
	font-size: 13px;
	font-weight: 600;
	letter-spacing: 0.04em;
	text-decoration: none;
	border-radius: 4px;
}
.skip-link:focus,
.skip-link:focus-visible {
	left: 8px;
}

/* ──────────────────────────────────────────────────────────────
 * 3. UTILITY BAR — dark strip above the main nav
 * ────────────────────────────────────────────────────────────── */
.util {
	background: var(--ink);
	color: var(--cream);
	font-family: 'Jost', sans-serif;
	font-size: 12px;
	font-weight: 500;
	letter-spacing: 0.04em;
}
.util-inner {
	max-width: var(--header-max);
	margin: 0 auto;
	padding: 0 var(--header-pad);
	height: var(--util-h);
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
}
.util a,
.util .util-lang {
	color: rgba(245, 240, 235, 0.92);
	text-decoration: none;
	transition: color 0.25s ease;
}
.util-left {
	display: flex;
	gap: 24px;
	align-items: center;
}
.util-left a:hover,
.util-left a:focus-visible {
	color: var(--crimson-bright);
}
.util-lang {
	cursor: default;
	user-select: none;
}

.util-right {
	display: flex;
	gap: 4px;
	padding: 4px;
	background: rgba(245, 240, 235, 0.08);
	border-radius: 999px;
}
.util-pill {
	font-size: 11px;
	padding: 5px 11px;
	border-radius: 999px;
	font-weight: 600;
	letter-spacing: 0.02em;
	transition: background-color 0.25s ease, color 0.25s ease;
}
.util-pill:hover,
.util-pill:focus-visible {
	background: var(--crimson-bright);
	color: var(--cream);
}

/* ──────────────────────────────────────────────────────────────
 * 4. MAIN NAV — sticky; transparent at top, opaque on scroll
 * ────────────────────────────────────────────────────────────── */
nav.main {
	position: sticky;
	top: 0;
	z-index: 100;
	background: transparent;
	border-bottom: 1px solid transparent;
	transition: background 0.35s ease,
	            backdrop-filter 0.35s ease,
	            box-shadow 0.35s ease,
	            border-color 0.35s ease;
}
nav.main.scrolled {
	background: rgba(245, 240, 235, 0.92);
	-webkit-backdrop-filter: blur(16px);
	        backdrop-filter: blur(16px);
	box-shadow: 0 4px 20px -4px rgba(26, 26, 26, 0.08);
	border-bottom-color: rgba(26, 26, 26, 0.10);
}
.nav-inner {
	max-width: var(--header-max);
	margin: 0 auto;
	padding: var(--nav-pad-y) var(--header-pad);
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 32px;
}

/* ──────────────────────────────────────────────────────────────
 * 5. LOGO
 *    Uses Customize → Site Identity. WP wraps in <a class="custom-logo-link">.
 * ────────────────────────────────────────────────────────────── */
.nav-logo {
	flex-shrink: 0;
	line-height: 0;
}
.nav-logo .custom-logo-link {
	display: inline-block;
	line-height: 0;
}
.nav-logo .custom-logo {
	height: 38px;
	width: auto;
	max-width: 220px;
	object-fit: contain;
	display: block;
}
.nav-logo-fallback {
	font-family: 'Jost', sans-serif;
	font-size: 18px;
	font-weight: 600;
	color: var(--ink);
	letter-spacing: -0.01em;
	text-decoration: none;
}

/* ──────────────────────────────────────────────────────────────
 * 6. NAV LINKS & DROPDOWNS (desktop)
 * ────────────────────────────────────────────────────────────── */
.nav-links {
	display: flex;
	gap: 28px;
	font-family: 'Jost', sans-serif;
	font-size: 13px;
	font-weight: 500;
	letter-spacing: 0.02em;
}
.nav-item {
	position: relative; /* anchors .nav-dropdown's absolute positioning */
	display: inline-flex;
	align-items: center;
}
.nav-link {
	display: inline-flex;
	align-items: center;
	gap: 4px;
	padding: 6px 0;
	position: relative;
	color: var(--text);
	text-decoration: none;
	transition: color 0.25s ease;
}
.nav-link.has-sub::after {
	content: "\25BE"; /* ▾ */
	font-size: 8px;
	color: var(--text-mute);
	margin-left: 2px;
	line-height: 1;
}
.nav-link:hover,
.nav-link:focus-visible {
	color: var(--crimson);
}
/* 1px crimson underline appears under the link text on hover/focus */
.nav-link:hover::before,
.nav-item:focus-within > .nav-link::before {
	content: "";
	position: absolute;
	left: 0;
	right: 0;
	bottom: 0;
	height: 1px;
	background: var(--crimson);
}

/* Invisible bridge between link and dropdown so the cursor can travel
   the 16px gap without losing :hover state. Lives on the wrapper. */
.nav-item.has-sub::before {
	content: "";
	position: absolute;
	top: 100%;
	left: -14px;
	right: -14px;
	height: 16px;
	pointer-events: none;
}
.nav-item.has-sub:hover::before,
.nav-item.has-sub:focus-within::before {
	pointer-events: auto;
}

/* Open the dropdown on hover or keyboard focus inside the wrapper */
.nav-item.has-sub:hover .nav-dropdown,
.nav-item.has-sub:focus-within .nav-dropdown {
	opacity: 1;
	transform: translateY(0);
	pointer-events: auto;
}

.nav-dropdown {
	position: absolute;
	top: calc(100% + 16px);
	left: -14px;
	min-width: 240px;
	background: var(--paper);
	border: 1px solid var(--line);
	border-radius: 6px;
	box-shadow: 0 24px 60px -16px rgba(26, 26, 26, 0.18);
	padding: 8px;
	opacity: 0;
	transform: translateY(-6px);
	pointer-events: none;
	transition: opacity 0.25s ease, transform 0.25s ease;
	z-index: 50;
	display: flex;
	flex-direction: column;
}
.nd-item {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 11px 14px;
	font-family: 'Jost', sans-serif;
	font-size: 13px;
	font-weight: 500;
	color: var(--text);
	border-radius: 4px;
	letter-spacing: 0.01em;
	text-decoration: none;
	cursor: pointer;
	transition: background-color 0.2s ease, color 0.2s ease;
}
.nd-item:hover,
.nd-item:focus-visible {
	background: rgba(139, 26, 26, 0.06);
	color: var(--crimson);
}
.nd-arrow {
	opacity: 0;
	transition: opacity 0.2s ease;
	color: var(--crimson);
	font-size: 11px;
	line-height: 1;
}
.nd-item:hover .nd-arrow,
.nd-item:focus-visible .nd-arrow {
	opacity: 1;
}

/* ──────────────────────────────────────────────────────────────
 * 7. NAV-RIGHT — search, CTA, hamburger
 * ────────────────────────────────────────────────────────────── */
.nav-right {
	display: flex;
	align-items: center;
	gap: 16px;
}

/* Search button + icon */
.nav-search {
	background: transparent;
	border: 0;
	padding: 6px;
	margin: -6px;
	cursor: pointer;
	color: inherit;
	display: inline-flex;
	align-items: center;
	justify-content: center;
}
.nav-search-icon {
	display: block;
	width: 14px;
	height: 14px;
	border: 1.5px solid var(--text-dim);
	border-radius: 50%;
	position: relative;
	transition: border-color 0.25s ease;
}
.nav-search-icon::after {
	content: "";
	position: absolute;
	top: 100%;
	left: 100%;
	width: 7px;
	height: 1.5px;
	background: var(--text-dim);
	transform: translate(-3px, -1px) rotate(45deg);
	transform-origin: 0 0;
	transition: background-color 0.25s ease;
}
.nav-search:hover .nav-search-icon,
.nav-search:focus-visible .nav-search-icon {
	border-color: var(--crimson);
}
.nav-search:hover .nav-search-icon::after,
.nav-search:focus-visible .nav-search-icon::after {
	background: var(--crimson);
}

/* Buttons */
.btn {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	font-family: 'Jost', sans-serif;
	font-size: 12px;
	font-weight: 600;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	padding: 12px 20px;
	cursor: pointer;
	transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
	border-radius: 2px;
	border: 1px solid transparent;
	text-decoration: none;
	line-height: 1;
}
.btn-primary {
	background: var(--crimson);
	color: var(--cream);
}
.btn-primary:hover,
.btn-primary:focus-visible {
	background: var(--crimson-bright);
	color: var(--cream);
}

/* ──────────────────────────────────────────────────────────────
 * 8. HAMBURGER — hidden on desktop, shown on mobile
 * ────────────────────────────────────────────────────────────── */
.hamburger {
	display: none;
	background: transparent;
	border: 0;
	padding: 8px;
	margin: -8px;
	cursor: pointer;
	flex-direction: column;
	gap: 4px;
	width: 36px;
	height: 36px;
	align-items: center;
	justify-content: center;
}
.hamburger span {
	display: block;
	width: 20px;
	height: 1.5px;
	background: var(--ink);
	border-radius: 1px;
	transition: transform 0.3s ease, opacity 0.2s ease;
}
.hamburger[aria-expanded="true"] span:nth-child(1) {
	transform: translateY(5.5px) rotate(45deg);
}
.hamburger[aria-expanded="true"] span:nth-child(2) {
	opacity: 0;
}
.hamburger[aria-expanded="true"] span:nth-child(3) {
	transform: translateY(-5.5px) rotate(-45deg);
}

/* ──────────────────────────────────────────────────────────────
 * 9. MOBILE OVERLAY MENU — full-screen, slides in from right
 * ────────────────────────────────────────────────────────────── */
.mobile-menu {
	position: fixed;
	inset: 0;
	background: rgba(245, 240, 235, 0.98);
	-webkit-backdrop-filter: blur(20px);
	        backdrop-filter: blur(20px);
	z-index: 200;
	overflow-y: auto;
	padding: 88px 24px 48px;
	opacity: 0;
	pointer-events: none;
	transform: translateY(-8px);
	transition: opacity 0.35s ease, transform 0.35s ease;
	visibility: hidden;
}
.mobile-menu[aria-hidden="false"] {
	opacity: 1;
	pointer-events: auto;
	transform: translateY(0);
	visibility: visible;
}
.mobile-menu-scroll {
	max-width: 480px;
	margin: 0 auto;
	display: flex;
	flex-direction: column;
	gap: 4px;
}

.mm-list {
	display: flex;
	flex-direction: column;
	gap: 2px;
	margin-bottom: 24px;
}
.mm-row {
	display: flex;
	align-items: stretch;
	border-bottom: 1px solid var(--line);
}
.mm-link {
	flex: 1;
	font-family: 'Jost', sans-serif;
	font-size: 22px;
	font-weight: 500;
	color: var(--ink);
	padding: 18px 4px;
	letter-spacing: -0.01em;
	text-decoration: none;
	transition: color 0.25s ease;
}
.mm-link:hover,
.mm-link:focus-visible {
	color: var(--crimson);
}
.mm-toggle {
	background: transparent;
	border: 0;
	cursor: pointer;
	padding: 0 12px;
	width: 48px;
	color: var(--ink);
	font-size: 16px;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: color 0.25s ease, transform 0.3s ease;
}
.mm-toggle[aria-expanded="true"] {
	transform: rotate(180deg);
	color: var(--crimson);
}
.mm-sub {
	display: flex;
	flex-direction: column;
	padding: 4px 0 12px 16px;
	border-bottom: 1px solid var(--line);
}
/* The default [hidden] { display: none } is too low-specificity to win over
   .mm-sub { display: flex } above. This explicit override puts it back. */
.mm-sub[hidden] {
	display: none;
}
.mm-sub-link {
	font-family: 'Jost', sans-serif;
	font-size: 15px;
	font-weight: 400;
	color: var(--text-dim);
	padding: 10px 4px;
	text-decoration: none;
	transition: color 0.25s ease;
}
.mm-sub-link:hover,
.mm-sub-link:focus-visible {
	color: var(--crimson);
}

.mm-cta {
	margin-top: 8px;
	justify-content: center;
}
.mm-portals {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 8px;
	margin-top: 24px;
	padding-top: 24px;
	border-top: 1px solid var(--line);
}
.mm-portal-link {
	font-family: 'Jost', sans-serif;
	font-size: 12px;
	font-weight: 600;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: var(--text);
	background: rgba(26, 26, 26, 0.04);
	padding: 12px 14px;
	border-radius: 4px;
	text-align: center;
	text-decoration: none;
	transition: background-color 0.25s ease, color 0.25s ease;
}
.mm-portal-link:hover,
.mm-portal-link:focus-visible {
	background: var(--crimson);
	color: var(--cream);
}

/* ──────────────────────────────────────────────────────────────
 * 10. BODY SCROLL LOCK — applied by JS when mobile menu open
 * ────────────────────────────────────────────────────────────── */
body.menu-open {
	overflow: hidden;
}

/* ──────────────────────────────────────────────────────────────
 * 11. FOCUS-VISIBLE — crimson 2px outline, 4px offset, on every
 *     interactive header element. Native :focus left alone for
 *     mouse users; only keyboard users get the ring.
 * ────────────────────────────────────────────────────────────── */
.util a:focus-visible,
.util-pill:focus-visible,
.util-lang:focus-visible,
.nav-link:focus-visible,
.nd-item:focus-visible,
.nav-search:focus-visible,
.btn:focus-visible,
.hamburger:focus-visible,
.mm-link:focus-visible,
.mm-toggle:focus-visible,
.mm-sub-link:focus-visible,
.mm-portal-link:focus-visible,
.skip-link:focus-visible {
	outline: 2px solid var(--crimson-bright);
	outline-offset: 4px;
	border-radius: 2px;
}
/* Search button focus ring sits closer because the icon is small */
.nav-search:focus-visible {
	outline-offset: 2px;
}

/* ──────────────────────────────────────────────────────────────
 * 12. RESPONSIVE
 * ────────────────────────────────────────────────────────────── */
@media (max-width: 960px) {
	:root {
		--header-pad: 20px;
	}

	/* Utility bar collapses but stays visible */
	.util-inner {
		height: auto;
		padding: 8px var(--header-pad);
		flex-direction: column;
		align-items: flex-start;
		gap: 8px;
	}
	.util-right {
		flex-wrap: wrap;
	}

	/* Hide desktop centre links + show hamburger */
	.nav-links {
		display: none;
	}
	.hamburger {
		display: flex;
	}
	.nav-search {
		display: none; /* search lives inside the mobile menu later, not here */
	}
	.nav-cta {
		/* Smaller CTA on mobile so logo + CTA + hamburger fit */
		padding: 10px 14px;
		font-size: 11px;
	}

	.nav-inner {
		padding: 12px var(--header-pad);
		gap: 12px;
	}
}

@media (max-width: 600px) {
	/* Hide CTA on phone — Book a Visit lives inside the mobile menu */
	.nav-cta {
		display: none;
	}
	.nav-inner {
		gap: 8px;
	}
	.util {
		font-size: 11px;
	}
	.util-pill {
		font-size: 10px;
		padding: 4px 9px;
	}
}

/* ──────────────────────────────────────────────────────────────
 * 13. PREFERS-REDUCED-MOTION
 * ────────────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
	nav.main,
	nav.main.scrolled,
	.nav-link,
	.nav-link::before,
	.nav-dropdown,
	.nd-item,
	.nd-arrow,
	.btn,
	.util a,
	.util-pill,
	.hamburger span,
	.mobile-menu,
	.mm-link,
	.mm-toggle,
	.mm-sub-link,
	.mm-portal-link,
	.nav-search-icon,
	.nav-search-icon::after {
		transition: none !important;
	}
}