/**
 * Presidency Academy - Course Template Stylesheet
 * Location: assets/css/course.css
 * Description: Premium, mobile-first styles for the Single Course CPT.
 */

/* ======================================================
   1. GLOBAL VARIABLES
   ====================================================== */
:root {
	/* Color Palette */
	--pa-primary: #4A3426;
	--pa-secondary: #B88A3B;
	--pa-bg: #FAF8F5;
	--pa-white: #FFFFFF;
	--pa-border: #E7E2DB;
	--pa-text: #333333;
	--pa-text-light: #666666;

	/* Typography */
	--pa-font-heading: 'Poppins', system-ui, -apple-system, sans-serif;
	--pa-font-body: 'Inter', system-ui, -apple-system, sans-serif;

	/* Layout & Spacing */
	--pa-container: 1200px;
	--pa-container-pad: 48px;
	--pa-section-spacing: 80px;
	
	/* UI Elements */
	--pa-radius: 16px;
	--pa-shadow-sm: 0 4px 16px rgba(74, 52, 38, 0.04);
	--pa-shadow-md: 0 12px 32px rgba(74, 52, 38, 0.08);
	--pa-shadow-hover: 0 20px 48px rgba(74, 52, 38, 0.12);
	--pa-transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* ======================================================
   2. COMMON UTILITIES
   ====================================================== */
body.single-course {
	background-color: var(--pa-bg);
	font-family: var(--pa-font-body);
	color: var(--pa-text);
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

/* Content Wrapper Architecture */
.pa-course-content {
	display: block;
	width: 100%;
}

.pa-course-content-inner {
	display: flex;
	flex-direction: column;
}

/* Containers */
.pa-course-hero__container,
.pa-course-info__container,
.pa-course-overview__container,
.pa-course-subjects__container,
.pa-course-highlights__container,
.pa-course-careers__container,
.pa-related-courses__container,
.pa-course-cta__container {
	max-width: var(--pa-container);
	margin: 0 auto;
	padding: 0 var(--pa-container-pad);
}

/* Sections */
.pa-course-info,
.pa-course-overview,
.pa-course-subjects,
.pa-course-highlights,
.pa-course-careers,
.pa-related-courses,
.pa-course-cta {
	padding: var(--pa-section-spacing) 0;
}

/* Section Rhythm (Alternating Backgrounds) */
.pa-course-overview,
.pa-course-highlights,
.pa-related-courses {
	background-color: var(--pa-white);
}

.pa-course-subjects,
.pa-course-careers {
	background-color: var(--pa-bg);
}

/* Common Section Headers */
.pa-course-overview__header,
.pa-course-subjects__header,
.pa-course-highlights__header,
.pa-course-careers__header,
.pa-related-courses__header {
	text-align: center;
	margin-bottom: clamp(32px, 5vw, 48px);
	max-width: 800px;
	margin-inline: auto;
}

.pa-course-overview__title,
.pa-course-subjects__title,
.pa-course-highlights__title,
.pa-course-careers__title,
.pa-related-courses__title {
	font-family: var(--pa-font-heading);
	font-size: clamp(2rem, 4vw, 2.5rem);
	color: var(--pa-primary);
	font-weight: 700;
	margin: 0 0 12px;
	line-height: 1.2;
}

.pa-course-overview__subtitle,
.pa-course-subjects__subtitle,
.pa-course-highlights__subtitle,
.pa-course-careers__subtitle,
.pa-related-courses__subtitle {
	font-size: clamp(1.1rem, 2vw, 1.25rem);
	color: var(--pa-text-light);
	margin: 0;
	line-height: 1.6;
}

/* Standard Card System */
.pa-course-info__card,
.pa-course-subjects__card,
.pa-course-highlights__card,
.pa-course-careers__card,
.pa-related-courses__card {
	background-color: var(--pa-white);
	border-radius: var(--pa-radius);
	box-shadow: var(--pa-shadow-sm);
	border: 1px solid var(--pa-border);
	transition: var(--pa-transition);
	height: 100%;
}

/* Standard Card Hover */
.pa-course-info__card:hover,
.pa-course-subjects__card:hover,
.pa-course-highlights__card:hover,
.pa-course-careers__card:hover,
.pa-related-courses__card:hover {
	transform: translateY(-4px);
	box-shadow: var(--pa-shadow-hover);
	border-color: var(--pa-secondary);
}

/* Buttons */
.pa-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 16px 32px;
	border-radius: 8px;
	font-family: var(--pa-font-heading);
	font-weight: 600;
	font-size: 1.1rem;
	text-decoration: none;
	transition: var(--pa-transition);
	cursor: pointer;
	text-align: center;
	border: 2px solid transparent;
}

.pa-btn-primary {
	background-color: var(--pa-primary);
	color: var(--pa-white);
}

.pa-btn-primary:hover,
.pa-btn-primary:focus {
	background-color: var(--pa-secondary);
	color: var(--pa-white);
}

.pa-btn-outline {
	background-color: transparent;
	border-color: var(--pa-primary);
	color: var(--pa-primary);
}

.pa-btn-outline:hover,
.pa-btn-outline:focus {
	background-color: var(--pa-primary);
	color: var(--pa-white);
}

/* Keyboard Accessibility (Focus Styles) */
a:focus-visible,
button:focus-visible,
.pa-btn:focus-visible,
.pa-course-info__card:focus-visible,
.pa-course-subjects__card:focus-visible,
.pa-course-highlights__card:focus-visible,
.pa-course-careers__card:focus-visible,
.pa-related-courses__card:focus-visible {
	outline: 2px solid var(--pa-secondary);
	outline-offset: 4px;
}

/* ======================================================
   3. HERO
   ====================================================== */
.pa-course-hero {
	background-color: var(--pa-white);
	padding: calc(var(--pa-section-spacing) + 40px) 0 var(--pa-section-spacing);
	border-bottom: 1px solid var(--pa-border);
}

.pa-course-hero__container {
	display: grid;
	grid-template-columns: 6fr 4fr;
	gap: 64px;
	align-items: center;
}

.pa-course-hero__badge {
	display: inline-block;
	background-color: rgba(184, 138, 59, 0.1);
	color: var(--pa-secondary);
	font-family: var(--pa-font-heading);
	font-weight: 600;
	font-size: 0.9rem;
	text-transform: uppercase;
	letter-spacing: 1px;
	padding: 8px 16px;
	border-radius: 30px;
	margin-bottom: 24px;
}

.pa-course-hero__title {
	font-family: var(--pa-font-heading);
	font-size: clamp(2.5rem, 5vw, 4rem);
	color: var(--pa-primary);
	font-weight: 800;
	line-height: 1.15;
	margin: 0 0 24px;
}

.pa-course-hero__excerpt {
	font-size: clamp(1.1rem, 2vw, 1.25rem);
	line-height: 1.7;
	color: var(--pa-text-light);
	margin-bottom: 32px;
}

.pa-course-hero__meta {
	display: flex;
	flex-wrap: wrap;
	gap: 24px;
	margin-bottom: 40px;
	padding-top: 24px;
	border-top: 1px solid var(--pa-border);
}

.pa-course-hero__meta-chip {
	display: flex;
	flex-direction: column;
	gap: 4px;
}

.pa-course-hero__meta-label {
	font-size: 0.85rem;
	color: var(--pa-text-light);
	text-transform: uppercase;
	letter-spacing: 0.5px;
}

.pa-course-hero__meta-value {
	font-weight: 600;
	font-size: 1.1rem;
	color: var(--pa-primary);
}

.pa-course-hero__actions {
	display: flex;
	gap: 16px;
	flex-wrap: wrap;
}

.pa-course-hero__media {
	position: relative;
}

.pa-course-hero__image {
	width: 100%;
	aspect-ratio: 3 / 2; /* Matches 1621×1080 course posters */
	height: auto;
	display: block;
	object-fit: cover;
	object-position: center;
	border-radius: var(--pa-radius);
	box-shadow: var(--pa-shadow-md);
	transition: transform .4s ease;
}

.pa-course-hero__media {
	overflow: hidden;
	border-radius: var(--pa-radius);
}

.pa-course-hero__media:hover .pa-course-hero__image {
	transform: scale(1.03);
}

/* ======================================================
   4. QUICK INFO
   ====================================================== */
.pa-course-info {
	margin-top: -60px;
	padding-top: 0;
	position: relative;
	z-index: 10;
	background-color: transparent;
}

.pa-course-info__grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 24px;
	align-items: stretch;
}

.pa-course-info__card {
	display: flex;
	align-items: flex-start;
	gap: 20px;
	padding: 32px;
	height: 100%;
	min-height: 180px;
}

.pa-course-info__icon-wrapper {
	flex: 0 0 60px;
	width: 60px;
	height: 60px;
	border-radius: 50%;
	background-color: rgba(184, 138, 59, 0.1);

	display: flex;
	align-items: center;
	justify-content: center;

	color: var(--pa-secondary);
}

.pa-course-info__content {
	flex: 1;
	display: flex;
	flex-direction: column;
	align-items: flex-start;
	justify-content: flex-start;
	gap: 6px;
	min-width: 0;
}

.pa-course-info__label {
	margin: 0;

	font-family: var(--pa-font-body);
	font-size: 0.9rem;
	font-weight: 500;

	color: var(--pa-text-light);
}

.pa-course-info__value {
	margin: 0;

	font-family: var(--pa-font-heading);
	font-size: 1.2rem;
	font-weight: 700;
	line-height: 1.6;

	color: var(--pa-primary);

	overflow-wrap: anywhere;
	word-break: break-word;
}

/* ======================================================
   5. OVERVIEW
   ====================================================== */
.pa-course-overview__container {
	max-width: 900px;
}

.pa-course-overview__content {
	font-size: 1.1rem;
	line-height: 1.8;
	color: var(--pa-text);
}

.pa-course-overview__content p {
	margin-top: 0;
	margin-bottom: 24px;
}

.pa-course-overview__content p:last-child {
	margin-bottom: 0;
}

.pa-course-overview__content strong {
	color: var(--pa-primary);
	font-weight: 600;
}

.pa-course-overview__content a {
	color: var(--pa-secondary);
	text-decoration: none;
	font-weight: 500;
	transition: var(--pa-transition);
}

.pa-course-overview__content a:hover {
	text-decoration: underline;
}

.pa-course-overview__content ul,
.pa-course-overview__content ol {
	margin-bottom: 24px;
	padding-left: 24px;
}

.pa-course-overview__content li {
	margin-bottom: 12px;
}

/* ======================================================
   6. SUBJECTS
   ====================================================== */
.pa-course-subjects__grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 32px;
}

.pa-course-subjects__card {
	padding: 40px;
}

.pa-course-subjects__card-title {
	font-family: var(--pa-font-heading);
	font-size: 1.5rem;
	color: var(--pa-primary);
	margin: 0 0 24px;
}

.pa-course-subjects__list {
	list-style: none;
	padding: 0;
	margin: 0;
}

.pa-course-subjects__item {
	position: relative;
	padding-left: 28px;
	margin-bottom: 16px;
	color: var(--pa-text);
	font-size: 1.05rem;
	line-height: 1.5;
}

.pa-course-subjects__item:last-child {
	margin-bottom: 0;
}

.pa-course-subjects__item::before {
	content: '';
	position: absolute;
	left: 0;
	top: 8px;
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background-color: var(--pa-secondary);
}

/* ======================================================
   7. HIGHLIGHTS
   ====================================================== */
.pa-course-highlights__grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 24px;
}

.pa-course-highlights__card {
	padding: 24px 32px;
	display: flex;
	align-items: flex-start;
	gap: 20px;
}

.pa-course-highlights__icon {
	color: var(--pa-secondary);
	flex-shrink: 0;
	margin-top: 2px;
}

.pa-course-highlights__text {
	font-size: 1.1rem;
	font-weight: 500;
	color: var(--pa-primary);
	line-height: 1.5;
}

/* ======================================================
   8. CAREER OPPORTUNITIES
   ====================================================== */
.pa-course-careers__grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 32px;
}

.pa-course-careers__card {
	padding: 40px 32px;
	text-align: center;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 20px;
}

.pa-course-careers__icon {
	color: var(--pa-secondary);
	width: 48px;
	height: 48px;
}

.pa-course-careers__name {
	font-family: var(--pa-font-heading);
	font-size: 1.25rem;
	color: var(--pa-primary);
	margin: 0;
	font-weight: 600;
}

/* ======================================================
   9. RELATED COURSES
   ====================================================== */
.pa-related-courses__grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 32px;
}

.pa-related-courses__card {
	overflow: hidden;
	display: flex;
	flex-direction: column;
}

.pa-related-courses__image {
	width: 100%;
	aspect-ratio: 3 / 2; /* Matches course posters */
	height: auto;
	display: block;
	object-fit: cover;
	object-position: center;
	border-bottom: 1px solid var(--pa-border);
	transition: transform .45s ease;
}

.pa-related-courses__card:hover .pa-related-courses__image {
	transform: scale(1.05);
}

.pa-related-courses__content {
	padding: 32px;
	display: flex;
	flex-direction: column;
	flex-grow: 1;
	align-items: flex-start;
	background-color: var(--pa-white); /* Ensures image scale doesn't clip content bg */
	z-index: 2;
}

.pa-related-courses__badge {
	background-color: var(--pa-bg);
	color: var(--pa-text-light);
	font-size: 0.8rem;
	font-weight: 600;
	text-transform: uppercase;
	padding: 4px 12px;
	border-radius: 20px;
	margin-bottom: 16px;
}

.pa-related-courses__course-title {
	font-family: var(--pa-font-heading);
	font-size: 1.4rem;
	margin: 0 0 12px;
	line-height: 1.3;
}

.pa-related-courses__course-title a {
	color: var(--pa-primary);
	text-decoration: none;
	transition: var(--pa-transition);
}

.pa-related-courses__course-title a:hover {
	color: var(--pa-secondary);
}

.pa-related-courses__duration {
	color: var(--pa-text-light);
	font-size: 0.95rem;
	margin-bottom: 24px;
	display: flex;
	align-items: center;
	gap: 8px;
}

.pa-related-courses__duration::before {
	content: '';
	display: inline-block;
	width: 16px;
	height: 16px;
	background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23B88A3B'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M12 8v4l3 3m6-3a9 9 0 11-18 0 9 9 0 0118 0z'/%3E%3C/svg%3E");
	background-size: contain;
	background-repeat: no-repeat;
}

.pa-related-courses__button {
	margin-top: auto;
	font-family: var(--pa-font-heading);
	font-weight: 600;
	color: var(--pa-secondary);
	text-decoration: none;
	display: inline-flex;
	align-items: center;
	gap: 8px;
	transition: var(--pa-transition);
}

.pa-related-courses__button::after {
	content: '→';
	transition: transform 0.3s ease;
}

.pa-related-courses__button:hover {
	color: var(--pa-primary);
}

.pa-related-courses__button:hover::after {
	transform: translateX(4px);
}

/* ======================================================
   10. CTA
   ====================================================== */
.pa-course-cta {
	padding-bottom: var(--pa-section-spacing);
}

.pa-course-cta__content {
	background: linear-gradient(135deg, var(--pa-primary) 0%, #302117 100%);
	border-radius: 24px;
	padding: clamp(48px, 8vw, 80px) 24px;
	text-align: center;
	box-shadow: var(--pa-shadow-md);
	position: relative;
	overflow: hidden;
}

.pa-course-cta__content::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 4px;
	background-color: var(--pa-secondary);
}

.pa-course-cta__title {
	font-family: var(--pa-font-heading);
	font-size: clamp(2rem, 5vw, 3rem);
	color: var(--pa-white);
	margin: 0 0 20px;
	font-weight: 700;
}

.pa-course-cta__description {
	font-size: clamp(1.1rem, 2vw, 1.25rem);
	color: rgba(255, 255, 255, 0.85);
	max-width: 700px;
	margin: 0 auto 40px;
	line-height: 1.6;
}

.pa-course-cta__actions {
	display: flex;
	justify-content: center;
	gap: 20px;
	flex-wrap: wrap;
}

.pa-course-cta__actions .pa-btn-primary {
	background-color: var(--pa-secondary);
	color: var(--pa-primary);
}

.pa-course-cta__actions .pa-btn-primary:hover {
	background-color: var(--pa-white);
}

.pa-course-cta__actions .pa-btn-outline {
	border-color: rgba(255, 255, 255, 0.3);
	color: var(--pa-white);
}

.pa-course-cta__actions .pa-btn-outline:hover {
	background-color: rgba(255, 255, 255, 0.1);
	border-color: var(--pa-white);
}

/* ======================================================
   11. RESPONSIVE
   ====================================================== */
/* Laptop (1024px) */
@media (max-width: 1024px) {
	:root {
		--pa-container-pad: 32px;
	}
	
	.pa-course-hero__container {
		grid-template-columns: 1fr 1fr;
		gap: 40px;
	}
}

/* Tablet (768px) */
@media (max-width: 768px) {
	:root {
		--pa-section-spacing: 64px;
	}

	.pa-course-hero {
		padding-top: var(--pa-section-spacing);
	}

	.pa-course-hero__container {
		grid-template-columns: 1fr;
		text-align: center;
	}

	.pa-course-hero__meta,
	.pa-course-hero__actions {
		justify-content: center;
	}

	.pa-course-info {
		margin-top: 0;
	}

	.pa-course-info__grid,
	.pa-course-subjects__grid,
	.pa-course-careers__grid,
	.pa-related-courses__grid {
		grid-template-columns: repeat(2, 1fr);
	}
}

/* Mobile (576px) */
@media (max-width: 576px) {
	:root {
		--pa-container-pad: 20px;
		--pa-section-spacing: 48px;
	}

	.pa-course-hero__actions,
	.pa-course-cta__actions {
		flex-direction: column;
		width: 100%;
	}

	.pa-course-hero__actions .pa-btn,
	.pa-course-cta__actions .pa-btn {
		width: 100%;
	}

	.pa-course-info__grid,
	.pa-course-subjects__grid,
	.pa-course-highlights__grid,
	.pa-course-careers__grid,
	.pa-related-courses__grid {
		grid-template-columns: 1fr;
	}

	.pa-course-info__card {
		padding: 24px;
	}

	.pa-course-highlights__card {
		padding: 20px;
	}
}

/* Small Mobile (400px) */
@media (max-width: 400px) {
	.pa-course-hero__meta-chip {
		width: 100%;
		flex-direction: row;
		justify-content: space-between;
		align-items: center;
		padding-bottom: 12px;
		border-bottom: 1px solid var(--pa-border);
	}
	
	.pa-course-hero__meta-chip:last-child {
		border-bottom: none;
		padding-bottom: 0;
	}
}

/* ======================================================
   12. PRINT STYLES
   ====================================================== */
@media print {
	.pa-course-cta,
	.pa-related-courses,
	.pa-course-hero__actions,
	.pa-btn {
		display: none;
	}

	body,
	.pa-course-content,
	.pa-course-overview,
	.pa-course-subjects,
	.pa-course-highlights,
	.pa-course-careers {
		background-color: #fff;
		color: #000;
	}

	.pa-course-info__card,
	.pa-course-subjects__card,
	.pa-course-highlights__card,
	.pa-course-careers__card {
		box-shadow: none;
		border: 1px solid #ddd;
		break-inside: avoid;
		page-break-inside: avoid;
	}

	.pa-course-hero__image {
		box-shadow: none;
	}

	* {
		color: #000;
	}
}

/* ======================================================
   13. REDUCED MOTION
   ====================================================== */
@media (prefers-reduced-motion: reduce) {
	*,
	*::before,
	*::after {
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.01ms !important;
		scroll-behavior: auto !important;
	}
	
	.pa-course-info__card:hover,
	.pa-course-subjects__card:hover,
	.pa-course-highlights__card:hover,
	.pa-course-careers__card:hover,
	.pa-related-courses__card:hover {
		transform: none;
	}
	
	.pa-related-courses__card:hover .pa-related-courses__image {
		transform: none;
	}
	
	.pa-related-courses__button::after {
		transition: none;
	}
}