/* ============================================ */
/* Articles Hub Styles                          */
/* ============================================ */

.articles-page-content {
    padding: 3rem 0;
    background: #fff;
}

.articles-page-body {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.articles-page-section {
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid #e9ecef;
}

.articles-page-section:last-of-type {
    border-bottom: none;
}

.search-box {
    margin-bottom: 2rem;
    text-align: center;
}

.search-help {
    margin-bottom: 0.75rem;
    color: var(--text-light);
}

.search-input {
    width: 100%;
    max-width: 400px;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.search-input:focus {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
    border-color: var(--primary-color);
}

.category-filters {
    margin-bottom: 2rem;
}

.filter-title {
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-dark);
    font-size: 1.1rem;
}

.filter-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.filter-btn {
    padding: 8px 16px;
    border: 2px solid var(--primary-color);
    background: transparent;
    color: var(--primary-color);
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    font-size: 0.9rem;
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--primary-color);
    color: #fff;
}

.filter-btn:focus,
.filter-btn:focus-visible {
    outline: 3px solid #ffffff;
    outline-offset: 3px;
    box-shadow: 0 0 0 6px #0f172a;
}

.results-count {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-light);
    font-style: italic;
}

.no-results-message {
    margin-top: 1rem;
    text-align: center;
    color: var(--text-dark);
    font-weight: 600;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin: 2rem 0;
}

.article-card {
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    overflow: hidden;
}

.article-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.article-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
    height: 100%;
}

.article-card-link:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: -3px;
}

.article-card-image {
    height: 160px;
    overflow: hidden;
}

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

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

.article-card .article-card-content {
    padding: 1.25rem;
}

.article-card .article-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    font-size: 0.8rem;
    color: var(--text-light);
}

.article-category {
    background: var(--primary-color);
    color: #fff;
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-weight: 500;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.article-card .article-card-title {
    font-size: 1.1rem;
    line-height: 1.4;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.article-card .article-card-excerpt {
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--text-color);
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-card .article-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
}

.article-card .article-card-date {
    font-size: 0.8rem;
    color: var(--text-light);
}

.article-card .article-card-cta {
    color: var(--primary-color);
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.article-card:hover .article-card-cta {
    color: var(--primary-dark);
}

.article-cta {
    background: linear-gradient(135deg, #1e5b9e 0%, #2a5298 100%);
    color: #fff;
    padding: 3rem 0;
    margin: 4rem 0 0;
    text-align: center;
}

.article-cta h2,
.article-cta h3,
.article-cta h4 {
    color: #fff;
    margin-bottom: 1rem;
}

.article-cta p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button-group {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.newsletter-section {
    background: var(--background-alt);
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    margin: 3rem 0;
}

.newsletter-section h3 {
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.newsletter-input-group {
    display: flex;
    gap: 1rem;
    max-width: 500px;
    margin: 1.5rem auto;
}

.newsletter-input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 1rem;
}

.newsletter-input:focus {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
    border-color: var(--primary-color);
}

.newsletter-btn {
    white-space: nowrap;
}

.newsletter-status {
    min-height: 1.5rem;
    margin: 1rem 0 0;
    color: var(--text-dark);
    font-weight: 600;
}

.newsletter-note {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 0.5rem;
}

@media (max-width: 1200px) {
    .articles-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .articles-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .newsletter-input-group {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .articles-page-content {
        padding: 2rem 0;
    }

    .articles-page-body {
        padding: 0 1rem;
    }

    .articles-page-section {
        margin-bottom: 2rem;
        padding-bottom: 1.5rem;
    }

    .articles-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .filter-buttons {
        justify-content: center;
    }

    .search-input {
        max-width: 100%;
    }

    .article-cta {
        padding: 2rem 1rem;
    }

    .cta-button-group {
        flex-direction: column;
        align-items: center;
    }

    .cta-button-group .btn {
        width: 100%;
        max-width: 250px;
    }
}

@media (max-width: 480px) {
    .article-card .article-card-meta {
        flex-direction: column;
        gap: 0.5rem;
        align-items: flex-start;
    }

    .article-card .article-card-footer {
        flex-direction: column;
        gap: 0.5rem;
        align-items: flex-start;
    }

    .article-card .article-card-content {
        padding: 1rem;
    }
}