/* Blog Specific Styles */

/* Blog Hero Section */
.blog-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
}

.blog-hero__title {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-lg);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.blog-hero__subtitle {
    font-size: var(--font-size-xl);
    line-height: 1.6;
    opacity: 0.9;
    max-width: 800px;
    margin: 0 auto;
}

/* Blog Layout */
.blog-sidebar-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

/* Sidebar Styles */
.blog-sidebar {
    position: sticky;
    top: calc(var(--header-height) + var(--spacing-lg));
    max-height: calc(100vh - var(--header-height) - var(--spacing-xl));
    overflow-y: auto;
}

.sidebar-widget {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-color);
}

.widget-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--primary-color);
}

/* Search Form */
.search-input-group {
    display: flex;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: border-color var(--transition-normal);
}

.search-input-group:focus-within {
    border-color: var(--primary-color);
}

.search-input-group input {
    flex: 1;
    padding: var(--spacing-md);
    border: none;
    outline: none;
    font-size: var(--font-size-base);
}

.search-input-group button {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: var(--spacing-md) var(--spacing-lg);
    cursor: pointer;
    transition: background-color var(--transition-normal);
}

.search-input-group button:hover {
    background: var(--primary-dark);
}

/* Categories List */
.categories-list {
    list-style: none;
}

.categories-list li {
    margin-bottom: var(--spacing-sm);
}

.category-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: all var(--transition-normal);
}

.category-link:hover,
.category-link.active {
    background: var(--primary-light);
    color: var(--primary-dark);
    font-weight: var(--font-weight-medium);
}

.category-link .count {
    font-size: var(--font-size-sm);
    color: var(--text-light);
}

/* Popular Posts */
.popular-post {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.popular-post:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.popular-post__image {
    flex-shrink: 0;
    width: 80px;
    height: 60px;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.popular-post__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.popular-post__content h4 {
    margin-bottom: var(--spacing-sm);
}

.popular-post__content h4 a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    line-height: 1.4;
    transition: color var(--transition-normal);
}

.popular-post__content h4 a:hover {
    color: var(--primary-color);
}

.popular-post__date {
    font-size: var(--font-size-xs);
    color: var(--text-light);
}

/* Newsletter Widget */
.newsletter-widget {
    background: var(--gradient-primary);
    color: white;
}

.newsletter-widget .widget-title {
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
}

.newsletter-widget p {
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

.newsletter-widget input {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--border-radius);
    background: rgba(255, 255, 255, 0.1);
    color: white;
    margin-bottom: var(--spacing-md);
}

.newsletter-widget input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.newsletter-widget .btn--primary {
    background: white;
    color: var(--primary-color);
    width: 100%;
}

.newsletter-widget .btn--primary:hover {
    background: rgba(255, 255, 255, 0.9);
}

/* Filter Bar */
.filter-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    background: white;
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-light);
}

.results-count {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.sort-select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: white;
    font-size: var(--font-size-sm);
    cursor: pointer;
}

/* Blog Posts Grid */
.blog-posts-grid {
    display: grid;
    gap: var(--spacing-xl);
}

/* Blog Post Card */
.blog-post-card {
    background: white;
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.blog-post-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

.blog-post-card__image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.blog-post-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.blog-post-card:hover .blog-post-card__image img {
    transform: scale(1.05);
}

.blog-post-card__category {
    position: absolute;
    top: var(--spacing-lg);
    left: var(--spacing-lg);
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
}

.blog-post-card__content {
    padding: var(--spacing-xl);
}

.blog-post-card__meta {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--text-light);
}

.blog-post-card__meta .date {
    color: var(--primary-color);
    font-weight: var(--font-weight-medium);
}

.blog-post-card__title {
    margin-bottom: var(--spacing-md);
}

.blog-post-card__title a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    line-height: 1.4;
    transition: color var(--transition-normal);
}

.blog-post-card__title a:hover {
    color: var(--primary-color);
}

.blog-post-card__excerpt {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-post-card__footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.blog-post-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.blog-post-card__tags .tag {
    background: var(--background-secondary);
    color: var(--text-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-normal);
}

.blog-post-card__tags .tag:hover {
    background: var(--primary-light);
    color: var(--primary-dark);
}

.blog-post-card__stats {
    display: flex;
    gap: var(--spacing-lg);
    font-size: var(--font-size-sm);
    color: var(--text-light);
}

.blog-post-card__stats span {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
    transition: color var(--transition-normal);
}

.blog-post-card__stats span:hover {
    color: var(--primary-color);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-3xl);
}

.pagination__btn {
    padding: var(--spacing-md) var(--spacing-lg);
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: var(--font-weight-medium);
}

.pagination__btn:hover:not(:disabled) {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.pagination__btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination__numbers {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
}

.pagination__number {
    width: 40px;
    height: 40px;
    border: 1px solid var(--border-color);
    background: white;
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-medium);
}

.pagination__number:hover,
.pagination__number.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.pagination__dots {
    color: var(--text-light);
    margin: 0 var(--spacing-sm);
}

/* Blog CTA Section */
.blog-cta {
    background: var(--background-secondary);
}

.blog-cta .cta__container {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.blog-cta .cta__title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.blog-cta .cta__description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.blog-cta .cta__actions {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    align-items: center;
}

/* Responsive Design */
@media screen and (max-width: 1024px) {
    .blog-sidebar-layout {
        grid-template-columns: 250px 1fr;
        gap: var(--spacing-xl);
    }
    
    .blog-hero__title {
        font-size: var(--font-size-4xl);
    }
}

@media screen and (max-width: 768px) {
    .blog-sidebar-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .blog-sidebar {
        position: static;
        max-height: none;
        order: 2;
    }
    
    .blog-main {
        order: 1;
    }
    
    .blog-hero__title {
        font-size: var(--font-size-3xl);
    }
    
    .blog-hero__subtitle {
        font-size: var(--font-size-lg);
    }
    
    .filter-bar {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .blog-post-card__meta {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }
    
    .blog-post-card__footer {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .pagination {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }
    
    .pagination__numbers {
        order: -1;
        width: 100%;
        justify-content: center;
    }
    
    .blog-cta .cta__actions {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}

@media screen and (max-width: 480px) {
    .blog-hero {
        padding: var(--spacing-2xl) 0 var(--spacing-lg);
    }
    
    .blog-hero__title {
        font-size: var(--font-size-2xl);
    }
    
    .sidebar-widget {
        padding: var(--spacing-lg);
    }
    
    .blog-post-card__content {
        padding: var(--spacing-lg);
    }
    
    .blog-post-card__title a {
        font-size: var(--font-size-lg);
    }
    
    .blog-cta .cta__title {
        font-size: var(--font-size-3xl);
    }
}

/* Loading States */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin-left: -10px;
    margin-top: -10px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* No Results State */
.no-results {
    text-align: center;
    padding: var(--spacing-3xl);
    color: var(--text-light);
}

.no-results i {
    font-size: var(--font-size-5xl);
    margin-bottom: var(--spacing-lg);
    opacity: 0.5;
}

.no-results h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

.no-results p {
    font-size: var(--font-size-base);
    line-height: 1.6;
}

/* Blog Modal Styles */
#blog-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    opacity: 0;
    animation: fadeIn 0.3s ease-out forwards;
}

#blog-modal .modal__backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

#blog-modal .modal__content {
    position: relative;
    background: white;
    border-radius: var(--border-radius-lg);
    max-width: 900px;
    max-height: 90vh;
    width: 100%;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transform: translateY(20px);
    animation: slideUp 0.3s ease-out forwards;
}

#blog-modal .modal__close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    background: var(--color-text-light);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
}

#blog-modal .modal__close:hover {
    background: var(--color-primary);
    color: white;
    transform: scale(1.1);
}

#blog-modal .blog-post {
    padding: var(--spacing-3xl);
}

#blog-modal .blog-post__title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.3;
}

#blog-modal .blog-post__content {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    color: var(--text-primary);
}

#blog-modal .blog-post__content h3 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    margin: var(--spacing-xl) 0 var(--spacing-lg);
}

#blog-modal .blog-post__content h4 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    margin: var(--spacing-lg) 0 var(--spacing-md);
}

#blog-modal .blog-post__content p {
    margin-bottom: var(--spacing-lg);
}

#blog-modal .blog-post__content ul,
#blog-modal .blog-post__content ol {
    margin: var(--spacing-lg) 0;
    padding-left: var(--spacing-xl);
}

#blog-modal .blog-post__content li {
    margin-bottom: var(--spacing-sm);
}

#blog-modal .blog-post__content strong {
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
}

#blog-modal .blog-post__cta {
    margin-top: var(--spacing-3xl);
    padding: var(--spacing-xl);
    background: var(--color-bg-light);
    border-radius: var(--border-radius-md);
    text-align: center;
    border-left: 4px solid var(--color-primary);
}

#blog-modal .blog-post__cta h3 {
    font-size: var(--font-size-xl);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

#blog-modal .blog-post__cta p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    to {
        transform: translateY(0);
    }
}

/* Responsive Modal */
@media (max-width: 768px) {
    #blog-modal {
        padding: var(--spacing-md);
    }
    
    #blog-modal .modal__content {
        max-height: 95vh;
    }
    
    #blog-modal .blog-post {
        padding: var(--spacing-xl);
    }
    
    #blog-modal .blog-post__title {
        font-size: var(--font-size-2xl);
    }
    
    #blog-modal .blog-post__content {
        font-size: var(--font-size-base);
    }
}

/* Course Page Styles */
.course-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
}

.course-hero__breadcrumb {
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

.course-hero__breadcrumb a {
    color: white;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.course-hero__breadcrumb a:hover {
    opacity: 0.8;
}

.course-hero__breadcrumb span {
    margin: 0 var(--spacing-xs);
}

.course-hero__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.course-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-lg);
}

.course-hero__title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
}

.course-hero__subtitle {
    font-size: var(--font-size-lg);
    line-height: 1.6;
    opacity: 0.9;
    margin-bottom: var(--spacing-2xl);
}

.course-hero__stats {
    display: flex;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.course-hero__stats .stat-item {
    text-align: center;
}

.course-hero__stats .stat-number {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: white;
}

.course-hero__stats .stat-label {
    font-size: var(--font-size-sm);
    opacity: 0.8;
}

.course-hero__actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.course-hero__price {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.price-old {
    text-decoration: line-through;
    opacity: 0.6;
    font-size: var(--font-size-sm);
}

.price-current {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
}

.course-hero__image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: var(--border-radius-lg);
}

/* Course Overview */
.course-overview__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.overview-card {
    background: white;
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
}

.overview-card__icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    color: white;
    font-size: var(--font-size-xl);
}

.overview-card h3 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.overview-card ul {
    list-style: none;
    padding: 0;
    text-align: left;
}

.overview-card li {
    padding: var(--spacing-xs) 0;
    position: relative;
    padding-left: var(--spacing-lg);
    color: var(--text-secondary);
}

.overview-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

/* Program Modules */
.program-modules {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.module-card {
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: transform 0.3s ease;
}

.module-card:hover {
    transform: translateY(-4px);
}

.module-card__header {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    padding: var(--spacing-xl);
}

.module-number {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
}

.module-card__header h3 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    margin: 0;
}

.module-card__content {
    padding: var(--spacing-xl);
}

.module-card__content ul {
    list-style: none;
    padding: 0;
    margin-bottom: var(--spacing-lg);
}

.module-card__content li {
    padding: var(--spacing-xs) 0;
    position: relative;
    padding-left: var(--spacing-lg);
    color: var(--text-secondary);
}

.module-card__content li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.module-duration {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

/* Instructor Section */
.instructor-card {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--spacing-3xl);
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.instructor-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.instructor-card__content {
    padding: var(--spacing-2xl);
}

.instructor-card h2 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.instructor-title {
    color: var(--primary-color);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-lg);
}

.instructor-stats {
    display: flex;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.instructor-stats .stat {
    text-align: center;
}

.instructor-stats .stat-number {
    display: block;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
}

.instructor-stats .stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.instructor-description {
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    color: var(--text-secondary);
}

.instructor-credentials h4 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.instructor-credentials ul {
    list-style: none;
    padding: 0;
}

.instructor-credentials li {
    padding: var(--spacing-xs) 0;
    position: relative;
    padding-left: var(--spacing-lg);
    color: var(--text-secondary);
}

.instructor-credentials li::before {
    content: '🎓';
    position: absolute;
    left: 0;
}

/* Course Formats */
.formats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.format-card {
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-2xl);
    text-align: center;
    position: relative;
    transition: transform 0.3s ease;
}

.format-card:hover {
    transform: translateY(-4px);
}

.format-card--featured {
    border: 2px solid var(--primary-color);
    transform: scale(1.05);
}

.format-card__badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
}

.format-card__header {
    margin-bottom: var(--spacing-xl);
}

.format-card__header i {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-lg);
}

.format-card__header h3 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

.format-price {
    margin-bottom: var(--spacing-xl);
}

.format-price .price {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.format-price .price-note {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.format-features {
    list-style: none;
    padding: 0;
    margin-bottom: var(--spacing-xl);
    text-align: left;
}

.format-features li {
    padding: var(--spacing-xs) 0;
    position: relative;
    padding-left: var(--spacing-lg);
    color: var(--text-secondary);
}

.format-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

/* Course FAQ */
.course-faq .faq-container {
    max-width: 800px;
    margin: 0 auto;
}

/* Course CTA */
.course-cta {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
}

.cta-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    backdrop-filter: blur(10px);
    padding: var(--spacing-3xl);
    text-align: center;
}

.cta-content h2 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-lg);
}

.cta-content p {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    margin-bottom: var(--spacing-2xl);
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.cta-guarantee {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    opacity: 0.8;
    font-size: var(--font-size-sm);
}

/* Responsive Design */
@media (max-width: 768px) {
    .course-hero__content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .course-hero__stats {
        justify-content: center;
    }
    
    .course-hero__actions {
        flex-direction: column;
        align-items: center;
    }
    
    .instructor-card {
        grid-template-columns: 1fr;
    }
    
    .instructor-stats {
        justify-content: center;
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .formats-grid {
        grid-template-columns: 1fr;
    }
    
    .format-card--featured {
        transform: none;
    }
}

/* Article Page Styles */
.article-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
}

.article-hero__breadcrumb {
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

.article-hero__breadcrumb a {
    color: white;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.article-hero__breadcrumb a:hover {
    opacity: 0.8;
}

.article-hero__breadcrumb span {
    margin: 0 var(--spacing-xs);
}

.article-hero__category {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-lg);
}

.article-hero__title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
    max-width: 900px;
}

.article-hero__meta {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

.article-hero__excerpt {
    font-size: var(--font-size-lg);
    line-height: 1.6;
    opacity: 0.9;
    max-width: 800px;
    margin-bottom: var(--spacing-xl);
}

.article-hero__image {
    margin-top: var(--spacing-xl);
}

.article-hero__image img {
    width: 100%;
    max-width: 800px;
    height: 400px;
    object-fit: cover;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* Article Layout */
.article-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--spacing-3xl);
    max-width: 1200px;
    margin: 0 auto;
}

.article-main {
    min-width: 0; /* Prevents text overflow */
}

.article-body {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    color: var(--text-primary);
}

.article-body h3 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin: var(--spacing-3xl) 0 var(--spacing-lg);
    line-height: 1.3;
}

.article-body h4 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--text-secondary);
    margin: var(--spacing-xl) 0 var(--spacing-md);
}

.article-body h5 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    margin: var(--spacing-lg) 0 var(--spacing-md);
}

.article-body p {
    margin-bottom: var(--spacing-lg);
}

.article-body ul,
.article-body ol {
    margin: var(--spacing-lg) 0;
    padding-left: var(--spacing-xl);
}

.article-body li {
    margin-bottom: var(--spacing-sm);
}

.article-body strong {
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
}

/* Article Author */
.article-author {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: var(--color-bg-light);
    border-radius: var(--border-radius-lg);
    margin: var(--spacing-3xl) 0;
}

.article-author__avatar img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
}

.article-author__info h4 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.article-author__info p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Article CTA */
.article-cta {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
    text-align: center;
    margin: var(--spacing-3xl) 0;
}

.article-cta h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
}

.article-cta p {
    opacity: 0.9;
    margin-bottom: var(--spacing-lg);
}

/* Article Sidebar */
.article-sidebar {
    position: sticky;
    top: var(--spacing-xl);
    height: fit-content;
}

.related-posts {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.related-post {
    display: flex;
    gap: var(--spacing-md);
}

.related-post__image img {
    width: 80px;
    height: 60px;
    object-fit: cover;
    border-radius: var(--border-radius-md);
}

.related-post__content h4 {
    font-size: var(--font-size-base);
    line-height: 1.4;
    margin-bottom: var(--spacing-xs);
}

.related-post__content h4 a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.related-post__content h4 a:hover {
    color: var(--color-primary);
}

.related-post__date {
    font-size: var(--font-size-sm);
    color: var(--text-light);
}

/* Responsive Article Styles */
@media (max-width: 1024px) {
    .article-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .article-sidebar {
        position: static;
        order: -1;
    }
    
    .related-posts {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .article-hero__title {
        font-size: var(--font-size-3xl);
    }
    
    .article-hero__meta {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .article-hero__image img {
        height: 250px;
    }
    
    .article-body {
        font-size: var(--font-size-base);
    }
    
    .article-body h3 {
        font-size: var(--font-size-xl);
    }
    
    .article-author {
        flex-direction: column;
        text-align: center;
    }
    
    .related-posts {
        grid-template-columns: 1fr;
    }
}