/* Course Page Styles */
.course-hero {
    background: linear-gradient(135deg, var(--accent-color) 0%, #1e4a5f 100%);
    color: var(--white);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.course-hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.course-hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
}

.course-section {
    padding: var(--spacing-xl) 0;
}

.course-grid {
    display: grid;
    gap: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto;
}

.course-card {
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.course-card-header {
    background: var(--light-bg);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.course-card-header h2 {
    margin: 0;
    font-size: 1.5rem;
    color: var(--primary-color);
}

.course-card-body {
    padding: var(--spacing-lg);
}

.course-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.course-features {
    list-style: none;
    padding: 0;
    margin: var(--spacing-md) 0;
}

.course-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.course-features li:last-child {
    border-bottom: none;
}

.course-features svg {
    color: var(--accent-color);
    flex-shrink: 0;
}

.course-price {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
    margin-top: var(--spacing-md);
    border-top: 2px solid var(--border-color);
}

.price-label {
    font-size: 1rem;
    color: var(--text-secondary);
}

.price-amount {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-color);
}

.purchase-btn,
.continue-btn {
    width: 100%;
    padding: 1rem;
    background-color: var(--accent-color);
    color: var(--white);
    border: none;
    border-radius: 4px;
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease;
    margin-top: var(--spacing-md);
}

.purchase-btn:hover,
.continue-btn:hover {
    background-color: #23516a;
}

/* Page Header */
.page-header {
    font-size: 2rem;
    margin-bottom: var(--spacing-xl);
    color: var(--text-primary);
    font-weight: 600;
}

.section-header {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.back-link {
    background: none;
    border: none;
    color: var(--accent-color);
    font-size: 0.9375rem;
    cursor: pointer;
    margin-bottom: var(--spacing-md);
    display: inline-block;
    padding: 0.5rem 0;
    transition: opacity 0.2s ease;
}

.back-link:hover {
    opacity: 0.7;
    text-decoration: underline;
}

/* Course Grid */
.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.course-card {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
}

.course-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
    border-color: var(--accent-color);
}

.course-cover {
    width: 100%;
    height: 150px;
    background: linear-gradient(135deg, var(--accent-color) 0%, #23516a 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    font-weight: 600;
}

.course-info {
    padding: var(--spacing-md);
}

.course-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.course-stats {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Marketplace Hero Styles */
.course-marketplace-hero {
    position: relative;
    height: 500px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-background .hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(42, 111, 143, 0.85) 0%, rgba(30, 74, 95, 0.9) 100%);
}

.course-marketplace-hero .hero-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    width: 100%;
    max-width: 1200px;
    text-align: center;
    color: var(--white);
    padding: 0 var(--spacing-lg);
}

.course-marketplace-hero .hero-content .container {
    max-width: none;
    width: 100%;
}

.marketplace-title {
    font-family: 'Playfair Display', serif;
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    text-align: center;
    width: 100%;
}

.marketplace-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    opacity: 0.95;
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    width: 100%;
}

/* Course Catalog Section */
.course-catalog-section {
    padding: var(--spacing-xl) 0;
    background: var(--light-bg);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Marketplace Course Grid */
.course-marketplace-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

/* Marketplace Course Card */
.marketplace-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-color);
}

.marketplace-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(42, 111, 143, 0.15);
    border-color: var(--accent-color);
}

.course-card-image {
    position: relative;
    width: 100%;
    height: 250px;
    overflow: hidden;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.course-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.marketplace-card:hover .course-card-image img {
    transform: scale(1.05);
}

.purchased-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--accent-color);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.course-card-content {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    flex: 1;
}

.marketplace-card .course-card-header h2 {
    font-size: 1.75rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.marketplace-card .course-description {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.marketplace-card .course-card-body {
    padding: 0;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.marketplace-card .course-card-body h3 {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.marketplace-card .course-features {
    margin-bottom: auto;
}

.marketplace-card .course-features li {
    padding: 0.625rem 0;
    font-size: 0.9375rem;
}

.course-card-footer {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--border-color);
}

.marketplace-card .course-price {
    margin: 0 0 var(--spacing-md) 0;
    padding: 0;
    border: none;
}

.marketplace-card .price-label {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.marketplace-card .price-amount {
    font-size: 2.25rem;
}

.marketplace-card .purchase-btn,
.marketplace-card .continue-btn {
    margin-top: 0;
    padding: 1rem 2rem;
    font-size: 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.marketplace-card .continue-btn {
    background-color: #28a745;
}

.marketplace-card .continue-btn:hover {
    background-color: #218838;
}

/* Coming Soon Section */
.coming-soon-section {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-lg);
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
    margin-top: var(--spacing-xl);
    border: 2px dashed var(--border-color);
}

.coming-soon-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--accent-color) 0%, #23516a 100%);
    border-radius: 50%;
    margin-bottom: var(--spacing-md);
}

.coming-soon-badge svg {
    color: var(--white);
}

.coming-soon-title {
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.coming-soon-text {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto;
}

/* Responsive Design */
@media (max-width: 768px) {
    .marketplace-title {
        font-size: 2.5rem;
    }

    .marketplace-subtitle {
        font-size: 1.125rem;
    }

    .course-marketplace-hero {
        height: 400px;
    }

    .course-marketplace-grid {
        grid-template-columns: 1fr;
    }

    .section-header h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .marketplace-title {
        font-size: 2rem;
    }

    .marketplace-subtitle {
        font-size: 1rem;
    }

    .course-marketplace-hero {
        height: 350px;
    }

    .course-card-image {
        height: 200px;
    }
}