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

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://images.unsplash.com/photo-1489599849927-2ee21cede01f?w=1920&h=600&fit=crop') center/cover;
    opacity: 0.15;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 48px;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.cta-button {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-2xl);
    background: white;
    color: var(--primary-600);
    font-size: var(--font-size-lg);
    font-weight: 500;
    text-decoration: none;
    border-radius: var(--radius-xl);
    transition: all 0.3s ease;
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Featured Articles */
.featured-articles {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-primary);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.article-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    cursor: pointer;
}

.article-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.article-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.article-card:hover .article-card-image {
    transform: scale(1.05);
}

.article-card-content {
    padding: var(--spacing-lg);
}

.article-card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-card-summary {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

.category-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: white;
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
}

/* Categories Section */
.categories-section {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-secondary);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.category-card {
    background: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    cursor: pointer;
}

.category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.category-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
}

.category-name {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

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

/* Latest Articles */
.latest-articles {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-primary);
}

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

.article-list-item {
    display: flex;
    gap: var(--spacing-lg);
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    cursor: pointer;
}

.article-list-item:hover {
    box-shadow: var(--shadow-lg);
    transform: translateX(4px);
}

.article-list-image {
    width: 280px;
    height: 180px;
    object-fit: cover;
    flex-shrink: 0;
}

.article-list-content {
    padding: var(--spacing-lg);
    flex: 1;
}

.article-list-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.article-list-summary {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-list-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: var(--font-size-2xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .article-list-item {
        flex-direction: column;
    }
    
    .article-list-image {
        width: 100%;
        height: 200px;
    }
}