/**
 * Navigation styles — ingegrossen.be
 * Fixed header, hamburger menu, mobile overlay, desktop inline nav, scroll-spy active states
 * (c) TwistedMinds, Gerry Uytdenhouwen — 2026-03-12
 */

/* ──────────────────────────────────────────────
   CSS Custom Properties
   ────────────────────────────────────────────── */
:root {
	--header-height: 72px;
	--nav-transition-speed: 0.35s;
	--nav-transition-easing: cubic-bezier(0.4, 0, 0.2, 1);
	--color-coral: #C75B4A;
	--color-cream: #FAF7F2;
	--color-cream-alpha: rgba(250, 247, 242, 0.95);
	--color-dark: #2D2A26;
	--color-light-text: #6B6560;
	--color-white: #FFFFFF;
}

/* ──────────────────────────────────────────────
   Site Header — Fixed, Transparent by Default
   ────────────────────────────────────────────── */
.site-header {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	z-index: 1000;
	background-color: transparent;
	transition: background-color var(--nav-transition-speed) var(--nav-transition-easing),
	            box-shadow var(--nav-transition-speed) var(--nav-transition-easing);
}

.site-header--scrolled {
	background-color: var(--color-cream-alpha);
	box-shadow: 0 1px 16px rgba(45, 42, 38, 0.08);
}

/* ──────────────────────────────────────────────
   Header Inner — Flex Container
   ────────────────────────────────────────────── */
.site-header-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 20px;
	height: var(--header-height);
}

@media (min-width: 768px) {
	.site-header-inner {
		padding: 0 40px;
	}
}

@media (min-width: 1200px) {
	.site-header-inner {
		padding: 0 60px;
	}
}

/* ──────────────────────────────────────────────
   Site Title / Logo
   ────────────────────────────────────────────── */
.site-title {
	font-family: 'Open Sans', sans-serif;
	font-size: 1.35rem;
	font-weight: 700;
	color: var(--color-white);
	text-decoration: none;
	letter-spacing: 0.02em;
	z-index: 1010;
	transition: color var(--nav-transition-speed) var(--nav-transition-easing);
}

.site-header--scrolled .site-title {
	color: var(--color-dark);
}

.site-title:hover,
.site-title:focus {
	opacity: 0.85;
}

.site-logo {
	display: flex;
	align-items: center;
	text-decoration: none;
	z-index: 1010;
}

.site-logo-image {
	height: 40px;
	width: auto;
	transition: opacity var(--nav-transition-speed) var(--nav-transition-easing);
}

.site-logo:hover .site-logo-image,
.site-logo:focus .site-logo-image {
	opacity: 0.8;
}

/* ──────────────────────────────────────────────
   Hamburger Toggle — 3 Bars → X Animation
   ────────────────────────────────────────────── */
.hamburger-toggle {
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	width: 44px;
	height: 44px;
	padding: 0;
	border: none;
	background: transparent;
	cursor: pointer;
	z-index: 1010;
	-webkit-tap-highlight-color: transparent;
	gap: 6px;
}

.hamburger-toggle:focus-visible {
	outline: 2px solid var(--color-coral);
	outline-offset: 2px;
	border-radius: 4px;
}

.hamburger-bar {
	display: block;
	width: 26px;
	height: 2px;
	background-color: var(--color-white);
	border-radius: 2px;
	transition: transform var(--nav-transition-speed) var(--nav-transition-easing),
	            opacity var(--nav-transition-speed) var(--nav-transition-easing),
	            background-color var(--nav-transition-speed) var(--nav-transition-easing);
}

/* Dark bars when header has scrolled background */
.site-header--scrolled .hamburger-bar {
	background-color: var(--color-dark);
}

/* Hamburger → X transformation */
.hamburger-toggle--active .hamburger-bar:nth-child(1) {
	transform: translateY(8px) rotate(45deg);
	background-color: var(--color-dark);
}

.hamburger-toggle--active .hamburger-bar:nth-child(2) {
	opacity: 0;
	transform: scaleX(0);
}

.hamburger-toggle--active .hamburger-bar:nth-child(3) {
	transform: translateY(-8px) rotate(-45deg);
	background-color: var(--color-dark);
}

/* ──────────────────────────────────────────────
   Mobile Nav Overlay — Full Screen, Slide In
   ────────────────────────────────────────────── */
.mobile-nav-overlay {
	position: fixed;
	top: 0;
	right: 0;
	width: 100%;
	height: 100vh;
	height: 100dvh;
	background-color: var(--color-cream);
	z-index: 1005;
	transform: translateX(100%);
	visibility: hidden;
	transition: transform var(--nav-transition-speed) var(--nav-transition-easing),
	            visibility 0s linear var(--nav-transition-speed);
	overflow-y: auto;
	-webkit-overflow-scrolling: touch;
	display: flex;
	align-items: center;
	justify-content: center;
}

.mobile-nav-overlay--open {
	transform: translateX(0);
	visibility: visible;
	transition: transform var(--nav-transition-speed) var(--nav-transition-easing),
	            visibility 0s linear 0s;
}

/* ──────────────────────────────────────────────
   Mobile Nav Content & Links
   ────────────────────────────────────────────── */
.mobile-nav-content {
	text-align: center;
	padding: 20px;
}

.mobile-nav-list {
	list-style: none;
	margin: 0;
	padding: 0;
}

.mobile-nav-item {
	opacity: 0;
	transform: translateY(20px);
	transition: opacity 0.4s ease, transform 0.4s ease;
	transition-delay: calc(var(--item-index, 0) * 0.08s + 0.1s);
}

.mobile-nav-overlay--open .mobile-nav-item {
	opacity: 1;
	transform: translateY(0);
}

.mobile-nav-item + .mobile-nav-item {
	margin-top: 8px;
}

.mobile-nav-link {
	display: inline-block;
	padding: 14px 24px;
	font-family: 'Open Sans', sans-serif;
	font-size: 2rem;
	font-weight: 600;
	color: var(--color-dark);
	text-decoration: none;
	position: relative;
	transition: color 0.25s ease;
}

.mobile-nav-link::after {
	content: '';
	position: absolute;
	bottom: 8px;
	left: 50%;
	transform: translateX(-50%) scaleX(0);
	width: 40px;
	height: 2px;
	background-color: var(--color-coral);
	transition: transform 0.3s var(--nav-transition-easing);
}

.mobile-nav-link:hover,
.mobile-nav-link:focus {
	color: var(--color-coral);
}

.mobile-nav-link:hover::after,
.mobile-nav-link:focus::after {
	transform: translateX(-50%) scaleX(1);
}

/* Active state — coral color with underline */
.mobile-nav-link.active {
	color: var(--color-coral);
}

.mobile-nav-link.active::after {
	transform: translateX(-50%) scaleX(1);
}

/* ──────────────────────────────────────────────
   Desktop Navigation — Hidden on Mobile
   ────────────────────────────────────────────── */
.desktop-nav {
	display: none;
}

/* Desktop nav uitgecommentarieerd — klant wil hamburger menu op alle schermen.
@media (min-width: 768px) {
	.desktop-nav {
		display: block;
	}

	.desktop-nav-list {
		display: flex;
		align-items: center;
		gap: 32px;
		list-style: none;
		margin: 0;
		padding: 0;
	}

	.desktop-nav-link {
		font-family: 'Open Sans', 'Helvetica Neue', sans-serif;
		font-size: 0.85rem;
		font-weight: 500;
		color: var(--color-white);
		text-decoration: none;
		letter-spacing: 0.06em;
		text-transform: uppercase;
		position: relative;
		padding: 4px 0;
		transition: color 0.25s ease;
	}

	.site-header--scrolled .desktop-nav-link {
		color: var(--color-dark);
	}

	.desktop-nav-link::after {
		content: '';
		position: absolute;
		bottom: -2px;
		left: 0;
		width: 0;
		height: 2px;
		background-color: var(--color-coral);
		transition: width 0.3s var(--nav-transition-easing);
	}

	.desktop-nav-link:hover::after,
	.desktop-nav-link:focus::after,
	.desktop-nav-link.active::after {
		width: 100%;
	}

	.desktop-nav-link:hover,
	.desktop-nav-link:focus {
		color: var(--color-coral);
	}

	.site-header--scrolled .desktop-nav-link:hover,
	.site-header--scrolled .desktop-nav-link:focus {
		color: var(--color-coral);
	}

	.desktop-nav-link.active {
		color: var(--color-coral);
	}

	.site-header--scrolled .desktop-nav-link.active {
		color: var(--color-coral);
	}

	.hamburger-toggle {
		display: none;
	}

	.mobile-nav-overlay {
		display: none;
	}
}
*/

/* ──────────────────────────────────────────────
   Body Scroll Lock (when mobile nav is open)
   ────────────────────────────────────────────── */
.body-scroll-locked {
	overflow: hidden;
	position: fixed;
	width: 100%;
}

/* ──────────────────────────────────────────────
   Back to Top Button
   ────────────────────────────────────────────── */
.back-to-top {
	position: fixed;
	bottom: 2rem;
	right: 2rem;
	z-index: 999;
	width: 48px;
	height: 48px;
	min-width: 48px;
	min-height: 48px;
	padding: 0;
	border: none;
	border-radius: 50%;
	background-color: var(--color-coral, #C75B4A);
	color: #fff;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
	opacity: 0;
	visibility: hidden;
	transform: translateY(10px);
	transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease, background-color 0.3s ease;
}

.back-to-top svg {
	display: block;
	width: 20px;
	height: 20px;
	flex-shrink: 0;
}

.back-to-top--visible {
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
}

.back-to-top:hover,
.back-to-top:focus {
	background-color: var(--color-dark, #2D2A26);
}

/* ──────────────────────────────────────────────
   Reduced Motion — Accessibility
   ────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
	.site-header,
	.mobile-nav-overlay,
	.mobile-nav-item,
	.mobile-nav-link,
	.mobile-nav-link::after,
	.hamburger-bar,
	.desktop-nav-link,
	.desktop-nav-link::after,
	.site-title,
	.back-to-top {
		transition-duration: 0.01ms !important;
	}
}