/**
 * Drama Studio - Header, Navigation & Responsive Stylesheet
 * 
 * Version: 1.0.0
 * Focus: Mobile Navigation Drawer, Search Dropdown, and Viewport Breakpoints
 */

/* ==========================================================================
   1. Site Header & Desktop Navigation
   ========================================================================== */
.site-header {
	position: sticky;
	top: 0;
	z-index: 1000;
	background: rgba(9, 8, 21, 0.95);
	backdrop-filter: blur(16px);
	-webkit-backdrop-filter: blur(16px);
	border-bottom: 1px solid rgba(139, 92, 246, 0.18);
	box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
	transition: background-color var(--transition-normal);
}

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

/* Site Branding */
.site-branding {
	display: flex;
	align-items: center;
	flex-shrink: 0;
}

.site-logo img {
	max-height: 48px;
	width: auto;
}

.site-title {
	font-family: var(--font-heading);
	font-size: 1.625rem;
	font-weight: 800;
	letter-spacing: -0.02em;
	line-height: 1;
}

.site-title a {
	background: var(--grad-brand-neon);
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	display: inline-block;
	text-shadow: 0 0 20px rgba(139, 92, 246, 0.35);
}

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

.main-navigation .nav-menu {
	display: flex;
	align-items: center;
	gap: var(--space-xl);
	list-style: none;
	margin: 0;
	padding: 0;
}

.main-navigation .menu-item a {
	font-family: var(--font-sans);
	font-size: 0.9375rem;
	font-weight: 500;
	color: var(--color-text-muted);
	padding: 0.5rem 0;
	position: relative;
	transition: color var(--transition-fast);
}

.main-navigation .menu-item a:hover,
.main-navigation .menu-item.current-menu-item > a {
	color: #ffffff;
}

.main-navigation .menu-item.current-menu-item > a::after {
	content: '';
	position: absolute;
	bottom: -4px;
	left: 0;
	right: 0;
	height: 2px;
	background: linear-gradient(90deg, #06b6d4 0%, #8b5cf6 50%, #ec4899 100%);
	border-radius: var(--radius-full);
	box-shadow: 0 0 10px rgba(168, 85, 247, 0.85);
}

.mobile-nav-header {
	display: none;
}

/* ==========================================================================
   2. Header Actions & Search Controller
   ========================================================================== */
.header-actions {
	display: flex;
	align-items: center;
	gap: var(--space-sm);
	position: relative;
}

.search-toggle-btn {
	background: transparent;
	border: 1px solid var(--color-border-subtle);
	color: var(--color-text-muted);
	width: 40px;
	height: 40px;
	border-radius: var(--radius-md);
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	transition: all var(--transition-fast);
}

.search-toggle-btn:hover,
.search-toggle-btn[aria-expanded="true"] {
	background-color: var(--color-bg-card);
	color: #ffffff;
	border-color: rgba(255, 255, 255, 0.2);
}

.header-search-container {
	position: absolute;
	top: calc(100% + 14px);
	right: 0;
	width: 320px;
	background-color: var(--color-bg-surface);
	border: 1px solid var(--color-border-subtle);
	border-radius: var(--radius-lg);
	padding: var(--space-sm);
	box-shadow: var(--shadow-lg);
	opacity: 0;
	visibility: hidden;
	transform: translateY(-8px);
	transition: all var(--transition-normal);
	z-index: 1005;
}

.header-search-container.is-open {
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
}

.header-search-form {
	display: flex;
	align-items: center;
	gap: var(--space-xs);
	position: relative;
}

.header-search-form .search-submit {
	position: absolute;
	right: 8px;
	top: 50%;
	transform: translateY(-50%);
	background: transparent;
	border: none;
	color: var(--color-text-muted);
	cursor: pointer;
	padding: 4px;
	display: flex;
	align-items: center;
	justify-content: center;
}

.header-search-form .search-submit:hover {
	color: var(--color-primary);
}

/* ==========================================================================
   3. Hamburger Toggle Button
   ========================================================================== */
.menu-toggle {
	display: none;
	background: transparent;
	border: 1px solid var(--color-border-subtle);
	border-radius: var(--radius-md);
	width: 42px;
	height: 42px;
	padding: 8px;
	cursor: pointer;
	align-items: center;
	justify-content: center;
	color: #ffffff;
	transition: background-color var(--transition-fast);
}

.hamburger-box {
	width: 22px;
	height: 16px;
	display: inline-block;
	position: relative;
}

.hamburger-inner,
.hamburger-inner::before,
.hamburger-inner::after {
	width: 22px;
	height: 2px;
	background-color: currentColor;
	border-radius: 2px;
	position: absolute;
	transition: transform var(--transition-normal), opacity var(--transition-fast);
}

.hamburger-inner {
	top: 50%;
	transform: translateY(-50%);
}

.hamburger-inner::before,
.hamburger-inner::after {
	content: '';
}

.hamburger-inner::before {
	top: -7px;
}

.hamburger-inner::after {
	bottom: -7px;
}

/* Active hamburger animation */
.menu-toggle[aria-expanded="true"] .hamburger-inner {
	background-color: transparent;
}

.menu-toggle[aria-expanded="true"] .hamburger-inner::before {
	transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .hamburger-inner::after {
	transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Drawer Backdrop */
.site-backdrop-overlay {
	position: fixed;
	inset: 0;
	background: rgba(0, 0, 0, 0.75);
	backdrop-filter: blur(4px);
	z-index: 1010;
	opacity: 0;
	visibility: hidden;
	transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.site-backdrop-overlay.is-visible {
	opacity: 1;
	visibility: visible;
}

body.menu-is-open {
	overflow: hidden;
}

/* ==========================================================================
   4. Footer Layout & Styles
   ========================================================================== */
.site-footer {
	margin-top: auto;
	background-color: var(--color-bg-surface);
	border-top: 1px solid var(--color-border-subtle);
	padding-top: var(--space-3xl);
	padding-bottom: var(--space-xl);
}

.footer-widgets-grid {
	display: grid;
	grid-template-columns: 2fr 1fr;
	gap: var(--space-2xl);
	margin-bottom: var(--space-2xl);
}

.footer-widget-column .widget-title {
	font-size: 1.125rem;
	margin-bottom: var(--space-md);
	color: #ffffff;
	border-left: 3px solid var(--color-primary);
	padding-left: var(--space-xs);
}

.footer-disclaimer {
	padding: var(--space-md) var(--space-lg);
	background: rgba(0, 0, 0, 0.3);
	border-radius: var(--radius-md);
	border: 1px solid var(--color-border-subtle);
	margin-bottom: var(--space-xl);
}

.footer-disclaimer p {
	font-size: 0.8125rem;
	color: var(--color-text-faint);
	line-height: 1.7;
	margin: 0;
}

.footer-bottom {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding-top: var(--space-lg);
	border-top: 1px solid var(--color-border-subtle);
	gap: var(--space-md);
}

.copyright-text {
	font-size: 0.875rem;
	color: var(--color-text-muted);
}

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

.footer-links-list a {
	font-size: 0.875rem;
	color: var(--color-text-muted);
}

.footer-links-list a:hover {
	color: #ffffff;
}

/* ==========================================================================
   5. Responsive Breakpoints
   ========================================================================== */
@media (max-width: 991px) {
	.menu-toggle {
		display: flex;
	}

	/* Main Navigation transforms into Off-Canvas Drawer */
	.main-navigation {
		position: fixed;
		top: 0;
		right: 0;
		width: 320px;
		max-width: 85vw;
		height: 100vh;
		background-color: var(--color-bg-surface);
		border-left: 1px solid var(--color-border-subtle);
		z-index: 1020;
		flex-direction: column;
		align-items: stretch;
		padding: var(--space-xl);
		transform: translateX(100%);
		transition: transform var(--transition-normal);
		box-shadow: var(--shadow-lg);
		overflow-y: auto;
	}

	.main-navigation.is-active {
		transform: translateX(0);
	}

	.mobile-nav-header {
		display: flex;
		align-items: center;
		justify-content: space-between;
		padding-bottom: var(--space-md);
		margin-bottom: var(--space-lg);
		border-bottom: 1px solid var(--color-border-subtle);
	}

	.mobile-nav-title {
		font-family: var(--font-heading);
		font-size: 1.25rem;
		font-weight: 700;
		color: #ffffff;
	}

	.mobile-nav-close {
		background: transparent;
		border: none;
		color: var(--color-text-muted);
		font-size: 1.75rem;
		cursor: pointer;
		line-height: 1;
		padding: 4px;
	}

	.mobile-nav-close:hover {
		color: #ffffff;
	}

	.main-navigation .nav-menu {
		flex-direction: column;
		align-items: stretch;
		gap: var(--space-xs);
	}

	.main-navigation .menu-item a {
		display: block;
		padding: var(--space-sm) var(--space-md);
		border-radius: var(--radius-sm);
		font-size: 1rem;
	}

	.main-navigation .menu-item a:hover {
		background-color: var(--color-bg-card);
	}

	.footer-widgets-grid {
		grid-template-columns: 1fr;
		gap: var(--space-xl);
	}
}

@media (max-width: 767px) {
	.header-inner {
		height: 62px;
	}

	.header-search-container {
		width: calc(100vw - 2rem);
		right: -50px;
	}

	.footer-bottom {
		flex-direction: column;
		text-align: center;
		gap: var(--space-md);
	}

	.footer-links-list {
		justify-content: center;
		flex-wrap: wrap;
		gap: var(--space-md);
	}
}