/* ==========================================================================
   OptimusCall - Blog Styles
   Estilos para listado de articulos y paginas de articulo individual
   Reutiliza las CSS variables de style.css
   ========================================================================== */

/* ==========================================================================
   Breadcrumbs
   ========================================================================== */

.breadcrumbs {
    padding: calc(var(--nav-height) + 1.5rem) 0 0;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.breadcrumbs a {
    color: var(--text-muted);
    transition: var(--transition-fast);
}

.breadcrumbs a:hover {
    color: var(--color-primary);
}

.breadcrumb-sep {
    margin: 0 0.5rem;
    opacity: 0.4;
}

.breadcrumb-current {
    color: var(--text-light);
}

/* ==========================================================================
   Blog Listing Page
   ========================================================================== */

.blog-hero {
    padding: calc(var(--nav-height) + 4rem) 0 2rem;
    text-align: center;
}

.blog-hero .section-header {
    margin-bottom: var(--spacing-xl);
}

/* Category Filters */
.blog-filters {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-2xl);
}

.blog-filter-btn {
    padding: 0.5rem 1.25rem;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-muted);
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition-base);
    font-family: var(--font-family);
}

.blog-filter-btn:hover {
    color: var(--text-light);
    border-color: rgba(255, 255, 255, 0.2);
    background: var(--bg-card-hover);
}

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

/* Article Grid */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.blog-grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

/* Article Card */
.blog-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-base);
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
}

.blog-card:hover {
    border-color: rgba(0, 212, 170, 0.3);
    transform: translateY(-4px);
    background: var(--bg-card-hover);
}

.blog-card-image {
    width: 100%;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    position: relative;
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.08) 0%, rgba(102, 126, 234, 0.08) 100%);
}

.blog-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.blog-card-image img[src=""],
.blog-card-image img:not([src]) {
    display: none;
}

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

.blog-card-image .blog-card-category {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    padding: 0.25rem 0.75rem;
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
    color: var(--bg-dark);
    z-index: 1;
}

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

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
}

.blog-card-meta-sep {
    opacity: 0.4;
}

.blog-card-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card-excerpt {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    line-height: 1.6;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

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

.blog-card-readmore {
    color: var(--color-primary);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    transition: var(--transition-fast);
}

.blog-card:hover .blog-card-readmore {
    gap: 0.5rem;
}

/* Featured Card */
.blog-card-featured {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
}

.blog-card-featured .blog-card-image {
    aspect-ratio: auto;
    min-height: 300px;
}

.blog-card-featured .blog-card-body {
    padding: var(--spacing-xl);
    justify-content: center;
}

.blog-card-featured .blog-card-title {
    font-size: var(--font-size-2xl);
    -webkit-line-clamp: 3;
}

.blog-card-featured .blog-card-excerpt {
    font-size: var(--font-size-base);
    -webkit-line-clamp: 4;
}

/* Load More */
.blog-load-more {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.blog-no-results {
    text-align: center;
    padding: var(--spacing-3xl) 0;
    color: var(--text-muted);
    font-size: var(--font-size-lg);
    display: none;
}

/* ==========================================================================
   Article Page
   ========================================================================== */

.blog-article {
    padding: 2rem 0 var(--spacing-3xl);
}

/* Narrow container for article readability */
.container-narrow {
    max-width: var(--max-width-narrow);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Article Header */
.article-header {
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.article-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.article-meta-sep {
    opacity: 0.4;
}

.article-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
    color: var(--bg-dark);
    text-decoration: none;
    transition: var(--transition-fast);
}

.article-category:hover {
    opacity: 0.85;
}

.article-title {
    font-size: clamp(var(--font-size-2xl), 5vw, var(--font-size-4xl));
    font-weight: 700;
    color: var(--text-light);
    line-height: 1.15;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.article-excerpt {
    font-size: var(--font-size-lg);
    color: var(--text-muted);
    line-height: 1.6;
    max-width: 650px;
    margin: 0 auto;
}

/* Article Image */
.article-image {
    margin: 0 calc(-1 * var(--spacing-lg)) var(--spacing-xl);
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.article-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
}

.article-image figcaption {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-top: var(--spacing-sm);
}

/* ==========================================================================
   Article Content (Prose Styles)
   ========================================================================== */

.article-content {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.8);
}

.article-content h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-light);
    margin: var(--spacing-2xl) 0 var(--spacing-md);
    letter-spacing: -0.02em;
}

.article-content h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-light);
    margin: var(--spacing-xl) 0 var(--spacing-sm);
}

.article-content h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-light);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
}

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

.article-content a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: var(--transition-fast);
}

.article-content a:hover {
    color: var(--color-primary-light);
}

.article-content strong {
    color: var(--text-light);
    font-weight: 600;
}

.article-content ul,
.article-content ol {
    margin: 0 0 var(--spacing-md);
    padding-left: 1.5rem;
}

.article-content li {
    margin-bottom: var(--spacing-xs);
}

.article-content li::marker {
    color: var(--color-primary);
}

.article-content blockquote {
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-lg) var(--spacing-xl);
    border-left: 3px solid var(--color-primary);
    background: var(--bg-card);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-style: italic;
    color: var(--text-muted);
}

.article-content blockquote p:last-child {
    margin-bottom: 0;
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    margin: var(--spacing-lg) 0;
}

.article-content code {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.875em;
    background: var(--bg-card);
    padding: 0.15em 0.4em;
    border-radius: 4px;
    border: 1px solid var(--border-light);
    color: var(--color-primary);
}

.article-content pre {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    overflow-x: auto;
    margin: var(--spacing-lg) 0;
}

.article-content pre code {
    background: none;
    padding: 0;
    border: none;
    color: var(--text-light);
}

.article-content hr {
    border: none;
    border-top: 1px solid var(--border-light);
    margin: var(--spacing-2xl) 0;
}

/* ==========================================================================
   Article Footer
   ========================================================================== */

.article-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-xl);
    border-top: 1px solid var(--border-light);
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.article-tag {
    display: inline-block;
    padding: 0.3rem 0.75rem;
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-full);
    text-decoration: none;
    transition: var(--transition-fast);
}

.article-tag:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
}

/* Share Buttons */
.article-share {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.article-share-label {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-right: var(--spacing-xs);
}

.share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition-fast);
    text-decoration: none;
    font-family: var(--font-family);
}

.share-btn:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
    background: rgba(0, 212, 170, 0.1);
}

.share-btn svg {
    width: 16px;
    height: 16px;
}

.share-btn-copied {
    color: var(--color-primary) !important;
    border-color: var(--color-primary) !important;
}

/* ==========================================================================
   Related Articles
   ========================================================================== */

.related-articles {
    margin-top: var(--spacing-3xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid var(--border-light);
}

.related-articles h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.related-articles .blog-grid {
    margin-bottom: 0;
}

/* ==========================================================================
   Blog CTA Banner
   ========================================================================== */

.blog-cta {
    margin-top: var(--spacing-3xl);
    padding: var(--spacing-2xl);
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    text-align: center;
}

.blog-cta h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
}

.blog-cta p {
    font-size: var(--font-size-lg);
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
}

.blog-cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 968px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .blog-card-featured .blog-card-image {
        min-height: 200px;
        aspect-ratio: 16 / 10;
    }

    .related-articles .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .breadcrumbs {
        padding-top: calc(var(--nav-height) + 1rem);
    }

    .blog-hero {
        padding-top: calc(var(--nav-height) + 2rem);
    }

    .blog-filters {
        gap: 0.4rem;
    }

    .blog-filter-btn {
        padding: 0.4rem 1rem;
        font-size: var(--font-size-xs);
    }

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

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

    .article-title {
        font-size: var(--font-size-2xl);
    }

    .article-content {
        font-size: var(--font-size-base);
    }

    .article-content h2 {
        font-size: var(--font-size-xl);
    }

    .article-footer {
        flex-direction: column;
        align-items: flex-start;
    }

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

    .blog-cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .container-narrow {
        padding: 0 var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .article-meta {
        font-size: var(--font-size-xs);
    }

    .blog-card-title {
        font-size: var(--font-size-lg);
    }
}