/**
 * Layout Styles
 *
 * Grid systems, containers, sections, and structural layouts
 */

/* ========================================
   CONTAINER SYSTEM
   ======================================== */
.bp-container {
	max-width: var(--container-max);
	margin: 0 auto;
	padding: 0 var(--container-padding);
	width: 100%;
}

.bp-container-wide {
	max-width: var(--container-wide);
	margin: 0 auto;
	padding: 0 var(--container-padding);
}

.bp-container-narrow {
	max-width: var(--container-narrow);
	margin: 0 auto;
	padding: 0 var(--container-padding);
}

.bp-container-full {
	max-width: 100%;
	padding: 0;
}

/* ========================================
   GRID SYSTEM
   ======================================== */
.bp-grid {
	display: grid;
	gap: var(--space-lg);
}

.bp-grid-2 {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
	gap: var(--space-xl);
}

.bp-grid-3 {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
	gap: var(--space-lg);
}

.bp-grid-4 {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
	gap: var(--space-md);
}

/* Fixed column grids */
.bp-grid-cols-2 {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: var(--space-lg);
}

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

/* Gap utilities */
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

/* ========================================
   FLEXBOX UTILITIES
   ======================================== */
.bp-flex {
	display: flex;
}

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

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

.bp-flex-column {
	display: flex;
	flex-direction: column;
}

.bp-flex-wrap {
	flex-wrap: wrap;
}

.align-center { align-items: center; }
.align-start { align-items: flex-start; }
.align-end { align-items: flex-end; }

.justify-center { justify-content: center; }
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }

/* ========================================
   SECTION SPACING
   ======================================== */
.bp-section {
	padding: var(--space-3xl) var(--container-padding);
}

.bp-section-sm {
	padding: var(--space-2xl) var(--container-padding);
}

.bp-section-lg {
	padding: var(--space-4xl) var(--container-padding);
}

.bp-section-no-padding {
	padding: 0;
}

.bp-section-no-top {
	padding-top: 0;
}

.bp-section-no-bottom {
	padding-bottom: 0;
}

/* Section backgrounds */
.bp-section-cream {
	background: var(--color-cream);
}

.bp-section-gradient {
	background: var(--gradient-bg);
	background-size: 200% 200%;
}

.bp-section-charcoal {
	background: var(--color-charcoal);
	color: var(--color-white);
}

/* ========================================
   SITE HEADER
   ======================================== */
.site-header {
	position: sticky;
	top: 0;
	z-index: var(--z-sticky);
	background: var(--color-white);
	box-shadow: var(--shadow-sm);
	padding: var(--space-md) 0;
	transition: all var(--transition-speed) var(--transition-easing);
}

.site-header.scrolled {
	padding: var(--space-sm) 0;
	box-shadow: var(--shadow-md);
}

.site-header-inner {
	max-width: var(--container-max);
	margin: 0 auto;
	padding: 0 var(--container-padding);
	display: flex;
	align-items: center;
	justify-content: space-between;
}

/* Logo */
.site-logo {
	display: flex;
	align-items: center;
	gap: var(--space-sm);
	font-size: var(--text-h4);
	font-weight: var(--font-weight-bold);
	color: var(--color-charcoal);
}

.site-logo img {
	max-height: 60px;
	width: auto;
}

/* ========================================
   NAVIGATION MENU
   ======================================== */
.primary-nav {
	display: flex;
	align-items: center;
	gap: var(--space-lg);
}

.primary-nav ul {
	display: flex;
	gap: var(--space-lg);
	list-style: none;
	margin: 0;
	padding: 0;
}

.primary-nav a {
	color: var(--color-charcoal);
	font-weight: var(--font-weight-semibold);
	font-size: var(--text-body);
	padding: var(--space-sm) 0;
	position: relative;
	transition: color var(--transition-speed) var(--transition-easing);
}

.primary-nav a::after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 0;
	width: 0;
	height: 2px;
	background: var(--gradient-billie);
	transition: width var(--transition-speed) var(--transition-easing);
}

.primary-nav a:hover::after,
.primary-nav a.active::after {
	width: 100%;
}

.primary-nav a:hover {
	color: var(--color-pink-primary);
}

/* Mobile menu toggle */
.mobile-menu-toggle {
	display: none;
	background: none;
	border: none;
	padding: var(--space-sm);
	cursor: pointer;
	z-index: var(--z-sticky);
}

.mobile-menu-toggle span {
	display: block;
	width: 28px;
	height: 3px;
	background: var(--color-charcoal);
	margin: 5px 0;
	transition: all var(--transition-speed) var(--transition-easing);
	border-radius: 2px;
}

/* Hamburger animation */
.mobile-menu-toggle.active span:nth-child(1) {
	transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle.active span:nth-child(2) {
	opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
	transform: rotate(-45deg) translate(8px, -8px);
}

/* ========================================
   SITE FOOTER
   ======================================== */
.site-footer {
	background: var(--color-charcoal);
	color: var(--color-white);
	padding: var(--space-3xl) 0 var(--space-lg);
}

.footer-content {
	max-width: var(--container-max);
	margin: 0 auto;
	padding: 0 var(--container-padding);
}

.footer-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
	gap: var(--space-xl);
	margin-bottom: var(--space-xl);
}

.footer-bottom {
	border-top: 1px solid rgba(255, 255, 255, 0.1);
	padding-top: var(--space-lg);
	text-align: center;
	color: rgba(255, 255, 255, 0.7);
	font-size: var(--text-sm);
}

.footer-nav {
	display: flex;
	justify-content: center;
	gap: var(--space-lg);
	margin-bottom: var(--space-md);
}

.footer-nav a {
	color: rgba(255, 255, 255, 0.8);
	transition: color var(--transition-speed) var(--transition-easing);
}

.footer-nav a:hover {
	color: var(--color-white);
}

/* ========================================
   MAIN CONTENT AREA
   ======================================== */
.site-main {
	min-height: 60vh;
}

/* ========================================
   SIDEBAR LAYOUT
   ======================================== */
.content-sidebar-wrap {
	display: grid;
	grid-template-columns: 1fr 300px;
	gap: var(--space-2xl);
	max-width: var(--container-max);
	margin: 0 auto;
	padding: 0 var(--container-padding);
}

.sidebar {
	position: sticky;
	top: calc(var(--space-3xl) + 60px); /* Header height */
	height: fit-content;
}

/* ========================================
   RESPONSIVE LAYOUT ADJUSTMENTS
   ======================================== */

/* Tablet */
@media (max-width: 1024px) {
	.bp-grid-2,
	.bp-grid-3,
	.bp-grid-4 {
		grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
	}

	.bp-grid-cols-3 {
		grid-template-columns: repeat(2, 1fr);
	}

	.content-sidebar-wrap {
		grid-template-columns: 1fr;
	}

	.sidebar {
		position: static;
	}
}

/* Mobile */
@media (max-width: 768px) {
	:root {
		--container-padding: 16px;
	}

	.bp-section {
		padding: var(--space-2xl) var(--container-padding);
	}

	.bp-section-lg {
		padding: var(--space-3xl) var(--container-padding);
	}

	.bp-grid-2,
	.bp-grid-3,
	.bp-grid-4 {
		grid-template-columns: 1fr;
		gap: var(--space-lg);
	}

	.bp-grid-cols-2,
	.bp-grid-cols-3 {
		grid-template-columns: 1fr;
	}

	/* Mobile navigation */
	.primary-nav {
		position: fixed;
		top: 0;
		right: -100%;
		width: 280px;
		height: 100vh;
		background: var(--color-white);
		flex-direction: column;
		align-items: flex-start;
		padding: var(--space-3xl) var(--space-lg);
		box-shadow: var(--shadow-lg);
		transition: right var(--transition-speed) var(--transition-easing);
		z-index: var(--z-modal);
	}

	.primary-nav.active {
		right: 0;
	}

	.primary-nav ul {
		flex-direction: column;
		width: 100%;
	}

	.primary-nav a {
		display: block;
		width: 100%;
		padding: var(--space-md) 0;
		font-size: var(--text-body-lg);
	}

	.mobile-menu-toggle {
		display: block;
	}

	/* Footer adjustments */
	.footer-grid {
		grid-template-columns: 1fr;
		gap: var(--space-lg);
	}

	.footer-nav {
		flex-direction: column;
		gap: var(--space-md);
	}
}

/* Small mobile */
@media (max-width: 480px) {
	.site-header-inner {
		padding: 0 var(--space-sm);
	}

	.site-logo {
		font-size: var(--text-h5);
	}
}

/* ========================================
   SPACING UTILITIES
   ======================================== */

/* Margin utilities */
.m-0 { margin: 0; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.my-0 { margin-top: 0; margin-bottom: 0; }
.mx-auto { margin-left: auto; margin-right: auto; }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

/* Padding utilities */
.p-0 { padding: 0; }
.pt-0 { padding-top: 0; }
.pb-0 { padding-bottom: 0; }
.py-0 { padding-top: 0; padding-bottom: 0; }

/* ========================================
   VISIBILITY UTILITIES
   ======================================== */
.hide-mobile {
	display: block;
}

.show-mobile {
	display: none;
}

@media (max-width: 768px) {
	.hide-mobile {
		display: none;
	}

	.show-mobile {
		display: block;
	}
}