/**
 * Single Course Page Styles
 * Remote Madam Design System
 */

/* ============================================
   SINGLE COURSE HERO
   ============================================ */

.single-course__hero {
	position: relative;
	background-color: var(--bg);
	padding: 80px 0;
	overflow: hidden;
}

.single-course__hero-container {
	max-width: var(--container);
	margin: 0 auto;
	padding: 0 var(--spacing-6);
}

.single-course__hero-inner {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: var(--spacing-16);
	align-items: start;
}

.single-course__hero-content {
	opacity: 0;
	transform: translateY(30px);
	animation: fadeUp 0.8s ease forwards;
}

.single-course__hero-breadcrumb {
	display: flex;
	align-items: center;
	gap: var(--spacing-2);
	margin-bottom: var(--spacing-4);
	font-size: var(--font-size-sm);
}

.single-course__breadcrumb-link {
	color: var(--text-muted);
	text-decoration: none;
	transition: color var(--transition);
}

.single-course__breadcrumb-link:hover {
	color: var(--primary);
}

.single-course__breadcrumb-separator {
	color: var(--text-muted);
}

.single-course__breadcrumb-current {
	color: var(--text);
	font-weight: var(--font-weight-medium);
}

.single-course__hero-title {
	font-size: var(--font-size-5xl);
	font-weight: var(--font-weight-bold);
	font-family: var(--font-heading);
	color: var(--text);
	margin: 0 0 var(--spacing-6);
	line-height: 1.1;
}

.single-course__hero-description {
	font-size: var(--font-size-lg);
	font-weight: var(--font-weight-normal);
	color: var(--text-muted);
	line-height: 1.6;
	margin: 0 0 var(--spacing-6);
}

.single-course__hero-meta {
	display: flex;
	flex-wrap: wrap;
	gap: var(--spacing-6);
	margin-bottom: var(--spacing-8);
}

.single-course__meta-item {
	display: flex;
	align-items: center;
	gap: var(--spacing-2);
	font-size: var(--font-size-sm);
	color: var(--text-muted);
}

.single-course__meta-item svg {
	width: 20px;
	height: 20px;
	color: var(--primary);
}

.single-course__hero-actions {
	display: flex;
	gap: var(--spacing-4);
	flex-wrap: wrap;
}

.single-course__wishlist-btn {
	display: inline-flex;
	align-items: center;
	gap: var(--spacing-2);
}

.single-course__hero-visual {
	position: relative;
}

.single-course__hero-image-wrapper {
	position: relative;
	border-radius: var(--radius-2xl);
	overflow: hidden;
	box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4);
	animation: scaleUp 0.8s ease 0.2s forwards;
	opacity: 0;
	transform: scale(0.95);
}

.single-course__hero-image {
	width: 100%;
	height: auto;
	display: block;
}

/* ============================================
   SINGLE COURSE CONTENT
   ============================================ */

.single-course__content {
	position: relative;
	background-color: var(--surface);
	padding: 100px 0;
}

.single-course__content-container {
	max-width: var(--container);
	margin: 0 auto;
	padding: 0 var(--spacing-6);
}

.single-course__content-inner {
	display: grid;
	grid-template-columns: 1fr 380px;
	gap: var(--spacing-12);
	align-items: start;
}

/* ============================================
   SINGLE COURSE MAIN
   ============================================ */

.single-course__main {
	opacity: 0;
	transform: translateY(30px);
	animation: fadeUp 0.8s ease 0.3s forwards;
}

.single-course__section-title {
	font-size: var(--font-size-3xl);
	font-weight: var(--font-weight-bold);
	font-family: var(--font-heading);
	color: var(--text);
	margin: 0 0 var(--spacing-8);
	line-height: 1.2;
}

/* ============================================
   SINGLE COURSE INFO
   ============================================ */

.single-course__info {
	margin-bottom: var(--spacing-12);
}

.single-course__info-grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: var(--spacing-6);
}

.single-course__info-item {
	display: flex;
	align-items: center;
	gap: var(--spacing-4);
	background-color: var(--bg);
	border: 1px solid var(--border);
	border-radius: var(--radius-card);
	padding: var(--spacing-5);
	transition: all var(--transition);
}

.single-course__info-item:hover {
	border-color: var(--primary);
	transform: translateY(-4px);
	box-shadow: 0 8px 24px rgba(245, 93, 174, 0.15);
}

.single-course__info-icon {
	width: 48px;
	height: 48px;
	background: linear-gradient(135deg, rgba(245, 93, 174, 0.1) 0%, rgba(108, 99, 255, 0.1) 100%);
	border-radius: var(--radius-lg);
	display: flex;
	align-items: center;
	justify-content: center;
	color: var(--primary);
	flex-shrink: 0;
}

.single-course__info-icon svg {
	width: 24px;
	height: 24px;
}

.single-course__info-text {
	display: flex;
	flex-direction: column;
	gap: var(--spacing-1);
}

.single-course__info-label {
	font-size: var(--font-size-sm);
	font-weight: var(--font-weight-medium);
	color: var(--text-muted);
}

.single-course__info-value {
	font-size: var(--font-size-lg);
	font-weight: var(--font-weight-semibold);
	color: var(--text);
}

/* ============================================
   SINGLE COURSE CURRICULUM
   ============================================ */

.single-course__curriculum {
	margin-bottom: var(--spacing-12);
}

.single-course__accordion-item {
	background-color: var(--bg);
	border: 1px solid var(--border);
	border-radius: var(--radius-card);
	margin-bottom: var(--spacing-4);
	overflow: hidden;
}

.single-course__accordion-header {
	width: 100%;
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: var(--spacing-6);
	background-color: var(--bg);
	border: none;
	cursor: pointer;
	transition: all var(--transition);
}

.single-course__accordion-header:hover {
	background-color: var(--surface-2);
}

.single-course__accordion-title {
	font-size: var(--font-size-lg);
	font-weight: var(--font-weight-semibold);
	color: var(--text);
	text-align: left;
}

.single-course__accordion-count {
	font-size: var(--font-size-sm);
	font-weight: var(--font-weight-normal);
	color: var(--text-muted);
}

.single-course__accordion-icon {
	width: 20px;
	height: 20px;
	color: var(--text-muted);
	transition: transform var(--transition);
}

.single-course__accordion-header[aria-expanded="true"] .single-course__accordion-icon {
	transform: rotate(180deg);
}

.single-course__accordion-content {
	max-height: 0;
	overflow: hidden;
	transition: max-height var(--transition) ease, padding var(--transition) ease;
}

.single-course__accordion-content--open {
	max-height: 1000px;
}

.single-course__lesson-item {
	display: flex;
	align-items: center;
	gap: var(--spacing-3);
	padding: var(--spacing-4) var(--spacing-6);
	border-top: 1px solid var(--border);
	transition: background-color var(--transition);
}

.single-course__lesson-item:hover {
	background-color: var(--surface-2);
}

.single-course__lesson-icon {
	width: 32px;
	height: 32px;
	background-color: var(--surface-2);
	border-radius: var(--radius-md);
	display: flex;
	align-items: center;
	justify-content: center;
	color: var(--primary);
	flex-shrink: 0;
}

.single-course__lesson-icon svg {
	width: 16px;
	height: 16px;
}

.single-course__lesson-title {
	font-size: var(--font-size-sm);
	font-weight: var(--font-weight-normal);
	color: var(--text);
}

/* ============================================
   SINGLE COURSE SIDEBAR
   ============================================ */

.single-course__sidebar {
	position: sticky;
	top: var(--spacing-8);
}

.single-course__purchase-card {
	background-color: var(--bg);
	border: 1px solid var(--border);
	border-radius: var(--radius-2xl);
	padding: var(--spacing-8);
	box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4);
}

.single-course__purchase-header {
	text-align: center;
	margin-bottom: var(--spacing-8);
	padding-bottom: var(--spacing-6);
	border-bottom: 1px solid var(--border);
}

.single-course__purchase-price {
	display: block;
	font-size: var(--font-size-4xl);
	font-weight: var(--font-weight-bold);
	font-family: var(--font-heading);
	color: var(--primary);
	margin-bottom: var(--spacing-2);
	line-height: 1;
}

.single-course__purchase-label {
	font-size: var(--font-size-sm);
	font-weight: var(--font-weight-normal);
	color: var(--text-muted);
}

.single-course__purchase-features {
	display: flex;
	flex-direction: column;
	gap: var(--spacing-4);
	margin-bottom: var(--spacing-8);
}

.single-course__purchase-feature {
	display: flex;
	align-items: center;
	gap: var(--spacing-3);
	font-size: var(--font-size-sm);
	color: var(--text);
}

.single-course__purchase-feature svg {
	width: 20px;
	height: 20px;
	color: var(--primary);
	flex-shrink: 0;
}

.single-course__purchase-cta {
	margin-bottom: var(--spacing-6);
}

.single-course__purchase-guarantee {
	text-align: center;
	font-size: var(--font-size-xs);
	font-weight: var(--font-weight-normal);
	color: var(--text-muted);
	margin: 0;
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes scaleUp {
	from {
		opacity: 0;
		transform: scale(0.95);
	}
	to {
		opacity: 1;
		transform: scale(1);
	}
}

/* fadeUp keyframe defined in animations.css */

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1200px) {
	.single-course__content-inner {
		grid-template-columns: 1fr 340px;
		gap: var(--spacing-10);
	}

	.single-course__sidebar {
		position: static;
	}
}

@media (max-width: 1024px) {
	.single-course__hero {
		padding: 60px 0;
	}

	.single-course__hero-inner {
		gap: var(--spacing-12);
	}

	.single-course__hero-title {
		font-size: var(--font-size-4xl);
	}

	.single-course__hero-description {
		font-size: var(--font-size-base);
	}

	.single-course__content {
		padding: 80px 0;
	}

	.single-course__content-inner {
		grid-template-columns: 1fr;
		gap: var(--spacing-10);
	}

	.single-course__sidebar {
		position: static;
		order: -1;
	}

	.single-course__purchase-card {
		max-width: 500px;
		margin: 0 auto;
	}

	.single-course__info-grid {
		grid-template-columns: 1fr;
	}
}

@media (max-width: 768px) {
	.single-course__hero {
		padding: 60px 0;
	}

	.single-course__hero-inner {
		grid-template-columns: 1fr;
		gap: var(--spacing-10);
	}

	.single-course__hero-title {
		font-size: var(--font-size-3xl);
	}

	.single-course__hero-description {
		font-size: var(--font-size-base);
	}

	.single-course__hero-visual {
		order: -1;
	}

	.single-course__content {
		padding: 60px 0;
	}

	.single-course__section-title {
		font-size: var(--font-size-2xl);
	}

	.single-course__hero-actions {
		flex-direction: column;
	}

	.single-course__hero-actions .btn {
		width: 100%;
		justify-content: center;
	}
}

@media (max-width: 480px) {
	.single-course__hero {
		padding: 40px 0;
	}

	.single-course__hero-title {
		font-size: var(--font-size-2xl);
	}

	.single-course__hero-description {
		font-size: var(--font-size-sm);
	}

	.single-course__hero-meta {
		gap: var(--spacing-4);
	}

	.single-course__meta-item {
		font-size: var(--font-size-xs);
	}

	.single-course__content {
		padding: 40px 0;
	}

	.single-course__section-title {
		font-size: var(--font-size-xl);
	}

	.single-course__info-grid {
		gap: var(--spacing-4);
	}

	.single-course__info-item {
		padding: var(--spacing-4);
	}

	.single-course__info-icon {
		width: 40px;
		height: 40px;
	}

	.single-course__info-icon svg {
		width: 20px;
		height: 20px;
	}

	.single-course__purchase-card {
		padding: var(--spacing-6);
	}

	.single-course__purchase-price {
		font-size: var(--font-size-3xl);
	}

	.single-course__accordion-header {
		padding: var(--spacing-4) var(--spacing-5);
	}

	.single-course__accordion-title {
		font-size: var(--font-size-base);
	}

	.single-course__lesson-item {
		padding: var(--spacing-3) var(--spacing-5);
	}
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

@media (prefers-reduced-motion: reduce) {
	.single-course__hero-content,
	.single-course__hero-image-wrapper,
	.single-course__main {
		animation: none;
		opacity: 1;
		transform: none;
	}

	.single-course__info-item:hover {
		transform: none;
	}

	.single-course__accordion-icon {
		transition: none;
	}

	.single-course__accordion-content {
		transition: none;
	}
}