/**
 * Blog Page Stylesheet
 * Used by: blog.php
 * Class prefix: .blog-*
 */

/* ==========================================================================
   Featured Article
   ========================================================================== */
.blog-featured {
    background: var(--v2-surface-dark);
    border: 1px solid var(--v2-border-light);
    border-radius: var(--v2-radius-xl);
    overflow: hidden;
    margin-bottom: 3rem;
    transition: all 0.3s;
}

.blog-featured:hover {
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4);
}

.blog-featured-inner {
    display: grid;
    grid-template-columns: 1fr;
}

@media (min-width: 1024px) {
    .blog-featured-inner {
        grid-template-columns: 1fr 1fr;
    }
}

.blog-featured-image {
    height: 250px;
    background-size: cover;
    background-position: center;
    background-color: rgba(0, 255, 209, 0.1);
}

@media (min-width: 1024px) {
    .blog-featured-image {
        height: 100%;
        min-height: 350px;
    }
}

.blog-featured-content {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 1.25rem;
}

@media (min-width: 640px) {
    .blog-featured-content {
        padding: 2.5rem;
    }
}

.blog-featured-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* ==========================================================================
   Badges
   ========================================================================== */
.blog-badge {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.blog-badge.featured {
    background: rgba(0, 255, 209, 0.15);
    color: var(--v2-primary);
}

.blog-badge.tutorial {
    background: rgba(34, 197, 94, 0.15);
    color: #22c55e;
}

.blog-badge.update {
    background: rgba(139, 92, 246, 0.15);
    color: #8b5cf6;
}

.blog-badge.guide {
    background: rgba(59, 130, 246, 0.15);
    color: #3b82f6;
}

.blog-badge.case-study {
    background: rgba(249, 115, 22, 0.15);
    color: #f97316;
}

.blog-badge.technical {
    background: rgba(20, 184, 166, 0.15);
    color: #14b8a6;
}

.blog-read-time {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.75rem;
    color: var(--v2-text-muted);
}

.blog-featured h2 {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--v2-text-light);
    line-height: 1.2;
}

@media (min-width: 768px) {
    .blog-featured h2 {
        font-size: 2.25rem;
    }
}

.blog-featured p {
    font-size: 1rem;
    color: var(--v2-text-muted);
    line-height: 1.7;
}

/* ==========================================================================
   Author
   ========================================================================== */
.blog-author {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.blog-author-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--v2-primary), #22d3ee);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #0d1117;
    font-weight: 700;
}

.blog-author-info span {
    display: block;
}

.blog-author-info .name {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--v2-text-light);
}

.blog-author-info .role {
    font-size: 0.75rem;
    color: var(--v2-text-muted);
}

.blog-read-more {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    color: var(--v2-text-light);
    text-decoration: none;
    transition: color 0.2s;
}

.blog-read-more:hover {
    color: var(--v2-primary);
}

.blog-read-more i {
    transition: transform 0.2s;
}

.blog-read-more:hover i {
    transform: translateX(4px);
}

/* ==========================================================================
   Section Header
   ========================================================================== */
.blog-section-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--v2-border-light);
}

.blog-section-header h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--v2-text-light);
}

.blog-section-header h3 .new-badge {
    background: rgba(0, 255, 209, 0.1);
    color: var(--v2-primary);
    font-size: 0.625rem;
    padding: 0.25rem 0.5rem;
    border-radius: 9999px;
}

/* ==========================================================================
   Filter Buttons
   ========================================================================== */
.blog-filters {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
}

.blog-filter-btn {
    white-space: nowrap;
    padding: 0.5rem 1rem;
    border-radius: var(--v2-radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    background: transparent;
    color: var(--v2-text-muted);
}

.blog-filter-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--v2-text-light);
}

.blog-filter-btn.active {
    background: var(--v2-text-light);
    color: #0d1117;
}

/* ==========================================================================
   Articles Grid
   ========================================================================== */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

@media (min-width: 640px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .blog-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ==========================================================================
   Article Card
   ========================================================================== */
.blog-card {
    display: flex;
    flex-direction: column;
    background: var(--v2-surface-dark);
    border: 1px solid var(--v2-border-light);
    border-radius: var(--v2-radius-xl);
    overflow: hidden;
    transition: all 0.3s;
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4);
}

.blog-card-image {
    height: 200px;
    background-size: cover;
    background-position: center;
    background-color: rgba(0, 255, 209, 0.05);
    position: relative;
    overflow: hidden;
}

.blog-card-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.1);
    transition: opacity 0.3s;
}

.blog-card:hover .blog-card-image::after {
    opacity: 0;
}

.blog-card-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.blog-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.75rem;
}

.blog-card-date {
    font-size: 0.75rem;
    color: var(--v2-text-muted);
}

.blog-card h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--v2-text-light);
    margin-bottom: 0.75rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.2s;
}

.blog-card:hover h4 {
    color: var(--v2-primary);
}

.blog-card p {
    font-size: 0.875rem;
    color: var(--v2-text-muted);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
    margin-bottom: 1rem;
}

.blog-card-footer {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--v2-text-light);
}

.blog-card-footer i {
    color: var(--v2-primary);
    transition: transform 0.2s;
}

.blog-card:hover .blog-card-footer i {
    transform: translateX(4px);
}

/* ==========================================================================
   Newsletter Section
   ========================================================================== */
.blog-newsletter {
    background: rgba(0, 255, 209, 0.05);
    border-top: 1px solid var(--v2-border-light);
    border-bottom: 1px solid var(--v2-border-light);
    padding: 4rem 0;
    text-align: center;
}

.blog-newsletter-icon {
    width: 64px;
    height: 64px;
    background: var(--v2-surface-dark);
    border-radius: var(--v2-radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--v2-primary);
    margin: 0 auto 1rem;
}

.blog-newsletter h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--v2-text-light);
    margin-bottom: 0.75rem;
}

.blog-newsletter>p {
    color: var(--v2-text-muted);
    max-width: 500px;
    margin: 0 auto 2rem;
}

.blog-newsletter-form {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-width: 400px;
    margin: 0 auto;
}

@media (min-width: 640px) {
    .blog-newsletter-form {
        flex-direction: row;
    }
}

.blog-newsletter-form input {
    flex: 1;
    height: 48px;
    padding: 0 1rem;
    background: var(--v2-surface-dark);
    border: 1px solid var(--v2-border-light);
    border-radius: var(--v2-radius-lg);
    color: var(--v2-text-light);
    font-size: 0.9375rem;
}

.blog-newsletter-form input::placeholder {
    color: var(--v2-text-muted);
}

.blog-newsletter-form input:focus {
    outline: none;
    border-color: var(--v2-primary);
}

.blog-newsletter-disclaimer {
    font-size: 0.75rem;
    color: var(--v2-text-muted);
    margin-top: 0.75rem;
}

/* ==========================================================================
   Load More
   ========================================================================== */
.blog-load-more {
    text-align: center;
    padding: 2rem 0;
}