/**
 * Wave Furniture Layout, Header & Footer
 */

/* Containers */
.container {
	width: 100%;
	max-width: var(--wave-container-max);
	margin-left: auto;
	margin-right: auto;
	padding-left: var(--wave-space-lg);
	padding-right: var(--wave-space-lg);
}

.container-narrow {
	max-width: var(--wave-container-narrow);
}

.section-padding {
	padding-top: var(--wave-space-3xl);
	padding-bottom: var(--wave-space-3xl);
}

.section-padding-sm {
	padding-top: var(--wave-space-xl);
	padding-bottom: var(--wave-space-xl);
}

/* Grids & Flexbox Helpers */
.grid-2 {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: var(--wave-space-xl);
}

.grid-3 {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: var(--wave-space-xl);
}

.grid-4 {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: var(--wave-space-xl);
}

.flex-between {
	display: flex;
	align-items: center;
	justify-content: space-between;
}

.flex-center {
	display: flex;
	align-items: center;
	justify-content: center;
}

.flex-align {
	display: flex;
	align-items: center;
}

/* Site Header */
.site-header {
	position: sticky;
	top: 0;
	z-index: 1000;
	width: 100%;
	height: var(--wave-header-height);
	background-color: rgba(253, 252, 249, 0.94);
	backdrop-filter: blur(14px);
	-webkit-backdrop-filter: blur(14px);
	border-bottom: 1px solid var(--wave-border);
	transition: height var(--wave-transition), box-shadow var(--wave-transition), background-color var(--wave-transition);
}

.site-header.is-scrolled {
	height: 72px;
	box-shadow: var(--wave-shadow-sm);
	background-color: rgba(253, 252, 249, 0.98);
}

.header-inner {
	height: 100%;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--wave-space-lg);
}

/* Brand Wordmark */
.site-brand {
	display: flex;
	align-items: center;
	text-decoration: none;
	flex-shrink: 0;
}

.brand-title {
	font-family: var(--wave-font-serif);
	font-size: 1.6rem;
	font-weight: 600;
	letter-spacing: 0.04em;
	color: var(--wave-grey-900);
	text-transform: uppercase;
	line-height: 1;
}

.brand-subtitle {
	display: block;
	font-family: var(--wave-font-sans);
	font-size: 0.65rem;
	letter-spacing: 0.28em;
	text-transform: uppercase;
	color: var(--wave-taupe);
	margin-top: 2px;
}

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

.nav-menu {
	display: flex;
	align-items: center;
	gap: var(--wave-space-xl);
}

.nav-link {
	position: relative;
	font-size: var(--wave-text-sm);
	font-weight: 500;
	color: var(--wave-grey-800);
	letter-spacing: 0.02em;
	padding: var(--wave-space-xs) 0;
	transition: color var(--wave-transition-fast);
}

.nav-link::after {
	content: '';
	position: absolute;
	bottom: -2px;
	left: 0;
	width: 0;
	height: 1.5px;
	background-color: var(--wave-grey-900);
	transition: width var(--wave-transition);
}

.nav-link:hover,
.nav-menu .current-menu-item > a {
	color: var(--wave-grey-950);
}

.nav-link:hover::after,
.nav-menu .current-menu-item > a::after {
	width: 100%;
}

/* Header Action Tools */
.header-actions {
	display: flex;
	align-items: center;
	gap: var(--wave-space-md);
}

/* Search Trigger Button */
.search-toggle-btn {
	background: none;
	border: none;
	cursor: pointer;
	padding: var(--wave-space-xs);
	color: var(--wave-grey-700);
	display: flex;
	align-items: center;
	justify-content: center;
	transition: color var(--wave-transition-fast);
}

.search-toggle-btn:hover {
	color: var(--wave-grey-950);
}

/* Mobile Drawer Hamburger Trigger */
.mobile-nav-toggle {
	display: none;
	background: none;
	border: none;
	cursor: pointer;
	padding: var(--wave-space-xs);
	color: var(--wave-grey-900);
	width: 40px;
	height: 40px;
	position: relative;
	align-items: center;
	justify-content: center;
}

.hamburger-line {
	display: block;
	width: 22px;
	height: 1.5px;
	background-color: currentColor;
	position: absolute;
	transition: transform var(--wave-transition), opacity var(--wave-transition);
}

.hamburger-line:nth-child(1) { transform: translateY(-6px); }
.hamburger-line:nth-child(2) { transform: translateY(0); }
.hamburger-line:nth-child(3) { transform: translateY(6px); }

.mobile-nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
	transform: translateY(0) rotate(45deg);
}

.mobile-nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
	opacity: 0;
}

.mobile-nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
	transform: translateY(0) rotate(-45deg);
}

/* Site Footer */
.site-footer {
	background-color: var(--wave-grey-950);
	color: var(--wave-cream-100);
	padding-top: var(--wave-space-4xl);
	padding-bottom: var(--wave-space-xl);
	border-top: 1px solid var(--wave-grey-800);
}

.footer-top {
	display: grid;
	grid-template-columns: 1.8fr 1fr 1fr 1.4fr;
	gap: var(--wave-space-2xl);
	padding-bottom: var(--wave-space-3xl);
	border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .brand-title {
	color: var(--wave-cream-50);
	font-size: 1.8rem;
}

.footer-manifesto {
	margin-top: var(--wave-space-md);
	font-size: var(--wave-text-sm);
	color: var(--wave-grey-400);
	line-height: 1.7;
	max-width: 320px;
}

.footer-col-title {
	font-family: var(--wave-font-sans);
	font-size: var(--wave-text-xs);
	font-weight: 600;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--wave-cream-300);
	margin-bottom: var(--wave-space-lg);
}

.footer-links li {
	margin-bottom: var(--wave-space-sm);
}

.footer-links a {
	font-size: var(--wave-text-sm);
	color: var(--wave-grey-400);
	transition: color var(--wave-transition-fast), padding-left var(--wave-transition-fast);
}

.footer-links a:hover {
	color: var(--wave-cream-100);
	padding-left: 4px;
}

.footer-contact-item {
	display: flex;
	align-items: flex-start;
	gap: var(--wave-space-sm);
	font-size: var(--wave-text-sm);
	color: var(--wave-grey-400);
	margin-bottom: var(--wave-space-md);
}

.footer-bottom {
	padding-top: var(--wave-space-xl);
	display: flex;
	align-items: center;
	justify-content: space-between;
	font-size: var(--wave-text-xs);
	color: var(--wave-grey-500);
}

.footer-bottom-links {
	display: flex;
	gap: var(--wave-space-lg);
}

.footer-bottom-links a {
	color: var(--wave-grey-500);
}

.footer-bottom-links a:hover {
	color: var(--wave-cream-200);
}