/* ===================================
   Blog-Specific Styles
   =================================== */

/* Blog Hero Section */
.blog-hero {
    background: var(--gradient-hero);
    padding: 6rem 0 4rem;
    color: white;
    text-align: center;
}

.blog-hero-content h1 {
    color: white;
    margin-bottom: var(--spacing-md);
    font-size: clamp(2rem, 5vw, 3rem);
}

.blog-hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
}

/* Category Filters */
.blog-filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-top: var(--spacing-xl);
}

.filter-btn {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.filter-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-2px);
}

.filter-btn.active {
    background: white;
    color: var(--primary-color);
    border-color: white;
}

/* Featured Post Section */
.featured-post-section {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.featured-label {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-md);
}

.featured-post {
    background: white;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    transition: all 0.3s ease;
}

.featured-post:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

.featured-post-content {
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.featured-post-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
}

.featured-post-category {
    background: var(--primary-light);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 500;
}

.featured-post h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    margin-bottom: var(--spacing-md);
    color: var(--secondary-color);
}

.featured-post-excerpt {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.featured-post-image {
    background: var(--gradient-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    padding: var(--spacing-xl);
}

/* Blog Posts Grid */
.blog-posts-section {
    padding: var(--spacing-3xl) 0;
}

.blog-posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.blog-card {
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

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

.blog-card-header {
    background: var(--gradient-accent);
    padding: var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    height: 180px;
    position: relative;
}

.blog-card-icon {
    font-size: 4rem;
}

.blog-card-number {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    backdrop-filter: blur(10px);
}

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

.blog-card-meta {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
}

.blog-card-category {
    background: var(--bg-tertiary);
    color: var(--primary-color);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 500;
}

.blog-card-date {
    color: var(--text-light);
    font-size: 0.85rem;
}

.blog-card h3 {
    font-size: 1.35rem;
    margin-bottom: var(--spacing-sm);
    color: var(--secondary-color);
    line-height: 1.4;
}

.blog-card-excerpt {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
    flex: 1;
}

.blog-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.blog-card-read-time {
    color: var(--text-light);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.blog-card-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: gap 0.3s ease;
}

.blog-card-link:hover {
    gap: 0.75rem;
}

.blog-card-link::after {
    content: '→';
    font-size: 1.2rem;
}

/* Newsletter Section */
.newsletter-section {
    background: var(--gradient-primary);
    padding: var(--spacing-3xl) 0;
    color: white;
}

.newsletter-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.newsletter-content h2 {
    color: white;
    margin-bottom: var(--spacing-md);
}

.newsletter-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.newsletter-form input {
    flex: 1;
    padding: 1rem 1.5rem;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    backdrop-filter: blur(10px);
}

.newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.newsletter-form input:focus {
    outline: none;
    border-color: white;
    background: rgba(255, 255, 255, 0.15);
}

.newsletter-form button {
    white-space: nowrap;
}

.newsletter-privacy {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

/* Blog Post Page Styles */
.blog-post-header {
    background: var(--gradient-hero);
    padding: 6rem 0 4rem;
    color: white;
}

.blog-post-category {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.blog-post-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    color: white;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.blog-post-meta {
    display: flex;
    gap: var(--spacing-lg);
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
}

.blog-post-content-wrapper {
    padding: var(--spacing-3xl) 0;
}

.blog-post-content {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-primary);
}

.blog-post-content h2 {
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
    color: var(--secondary-color);
}

.blog-post-content h3 {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-sm);
    color: var(--secondary-color);
}

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

.blog-post-content ul,
.blog-post-content ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-lg);
}

.blog-post-content li {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

.blog-post-content strong {
    color: var(--text-primary);
    font-weight: 600;
}

.blog-post-content code {
    background: var(--bg-tertiary);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.9em;
    color: var(--primary-color);
}

.blog-post-content pre {
    background: var(--secondary-color);
    color: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    overflow-x: auto;
    margin-bottom: var(--spacing-lg);
}

.blog-post-content pre code {
    background: none;
    color: inherit;
    padding: 0;
}

.blog-post-content blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    font-style: italic;
    color: var(--text-secondary);
}

/* Blog Post CTA Section */
.blog-post-cta {
    margin-top: var(--spacing-3xl);
}

.blog-post-cta h2 {
    margin-top: 0;
}

.blog-post-cta .btn-primary,
.blog-post-cta .btn-secondary {
    margin-top: var(--spacing-sm);
}

.back-to-blog {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    transition: gap 0.3s ease;
}

.back-to-blog:hover {
    gap: 0.75rem;
}

.back-to-blog::before {
    content: '←';
    font-size: 1.2rem;
}

/* Related Posts */
.related-posts-section {
    background: var(--bg-secondary);
    padding: var(--spacing-3xl) 0;
}

.related-posts-section h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

/* Responsive Design */
@media (max-width: 768px) {
    .featured-post {
        grid-template-columns: 1fr;
    }

    .blog-posts-grid {
        grid-template-columns: 1fr;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .blog-filters {
        gap: var(--spacing-xs);
    }

    .filter-btn {
        font-size: 0.85rem;
        padding: 0.4rem 1rem;
    }

    .blog-post-meta {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .blog-post-cta .btn-primary,
    .blog-post-cta .btn-secondary {
        display: block;
        width: 100%;
        margin-right: 0 !important;
        margin-bottom: var(--spacing-sm);
        text-align: center;
    }
}

/* Loading State */
.loading-spinner {
    text-align: center;
    padding: var(--spacing-3xl) 0;
    color: var(--text-light);
}

.loading-spinner::after {
    content: '⏳';
    font-size: 3rem;
    animation: spin 2s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-3xl) 0;
    color: var(--text-secondary);
}

.empty-state h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

/* Hidden Class for Filtering */
.hidden {
    display: none !important;
}