/**
 * Nusantara Traisser - Articles Page Styles
 * articles.css - CSS khusus untuk halaman articles
 */

/* ==========================================================================
   Articles Hero Section
   ========================================================================== */
.articles-hero {
    padding: 4rem 0 3rem;
    background: linear-gradient(135deg, var(--nt-primary) 0%, var(--nt-primary-dark) 100%);
    color: var(--nt-white);
}

.articles-hero h1 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--nt-white);
}

.articles-hero p {
    font-size: 1.1rem;
    opacity: 0.9;
    max-width: 700px;
}

/* ==========================================================================
   Category Filter Section
   ========================================================================== */
.category-filter-section {
    padding: 2rem 0;
    background: var(--nt-light);
    border-bottom: 1px solid var(--nt-gray-light);
    position: sticky;
    top: 110px;
    z-index: 100;
    backdrop-filter: blur(10px);
    background: rgba(248, 250, 249, 0.95);
}

.category-filter-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    align-items: center;
}

.category-filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--nt-white);
    border: 2px solid var(--nt-gray-light);
    border-radius: var(--radius-full);
    color: var(--nt-gray);
    font-weight: 500;
    font-size: 0.9rem;
    text-decoration: none;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.category-filter-btn:hover {
    border-color: var(--nt-primary);
    color: var(--nt-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.category-filter-btn.active {
    background: var(--nt-primary);
    border-color: var(--nt-primary);
    color: var(--nt-white);
    box-shadow: var(--shadow-md);
}

.category-filter-btn i {
    font-size: 1rem;
}

/* ==========================================================================
   Articles List Section
   ========================================================================== */
.articles-section {
    padding: 3rem 0 5rem;
    background: linear-gradient(135deg, rgba(52, 99, 79, 0.05) 0%, rgba(52, 99, 79, 0.02) 100%);
}

/* ==========================================================================
   Articles List Container
   ========================================================================== */
.articles-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* ==========================================================================
   Article Card (Unified Style)
   ========================================================================== */
.article-card {
    background: var(--nt-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: row;
    align-items: stretch;
}

.article-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.article-card-thumbnail {
    flex: 0 0 180px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--nt-primary) 0%, var(--nt-primary-dark) 100%);
    min-height: 140px;
}

.article-card-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.article-card-content {
    flex: 1;
    padding: 1.25rem 1.75rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.article-card-category {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--nt-primary);
    background: rgba(52, 99, 79, 0.1);
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius-full);
    margin-bottom: 1rem;
    width: fit-content;
}

.article-card-category i {
    font-size: 0.85rem;
}

.article-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--nt-dark);
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.article-card-title a {
    color: var(--nt-dark);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.article-card-title a:hover {
    color: var(--nt-primary);
}

.article-card-excerpt {
    color: var(--nt-gray);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1rem;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 0.75rem;
    border-top: 1px solid var(--nt-gray-light);
    margin-top: auto;
}

.article-card-date {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--nt-gray);
    font-size: 0.9rem;
}

.article-card-date i {
    font-size: 0.85rem;
}

.article-card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--nt-primary);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.article-card-link:hover {
    color: var(--nt-primary-dark);
    gap: 0.75rem;
}

.article-card-link i {
    transition: transform var(--transition-fast);
}

.article-card-link:hover i {
    transform: translateX(4px);
}


/* ==========================================================================
   Article Show Page
   ========================================================================== */
.article-show-section {
    padding: 3rem 0 5rem;
    background: var(--nt-white);
}

.article-back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--nt-gray);
    font-size: 0.9rem;
    text-decoration: none;
    margin-bottom: 2rem;
    transition: all var(--transition-fast);
}

.article-back-link:hover {
    color: var(--nt-primary);
    gap: 0.75rem;
}

.article-show-header {
    margin-bottom: 2rem;
}

.article-show-category {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--nt-primary);
    background: rgba(52, 99, 79, 0.1);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    margin-bottom: 1rem;
}

.article-show-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--nt-dark);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.article-show-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--nt-gray);
    font-size: 0.95rem;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--nt-gray-light);
}

.article-show-meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.article-show-meta-item i {
    font-size: 0.9rem;
}

.article-show-thumbnail {
    width: 100%;
    max-height: 400px;
    object-fit: cover;
    border-radius: var(--radius-xl);
    margin-bottom: 2.5rem;
    box-shadow: var(--shadow-lg);
}

.article-show-content {
    max-width: 800px;
    margin: 0 auto;
}

.article-show-body {
    font-size: 1.1rem;
    line-height: 1.9;
    color: var(--nt-dark);
}

.article-show-body h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--nt-dark);
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--nt-secondary);
}

.article-show-body h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--nt-dark);
    margin-top: 2rem;
    margin-bottom: 0.75rem;
}

.article-show-body p {
    margin-bottom: 1.5rem;
}

.article-show-body ul,
.article-show-body ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.article-show-body li {
    margin-bottom: 0.5rem;
}

/* ==========================================================================
   Empty State
   ========================================================================== */
.articles-empty {
    text-align: center;
    padding: 4rem 2rem;
}

.articles-empty-icon {
    font-size: 4rem;
    color: var(--nt-gray-light);
    margin-bottom: 1.5rem;
}

.articles-empty h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--nt-dark);
    margin-bottom: 0.75rem;
}

.articles-empty p {
    color: var(--nt-gray);
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 991.98px) {
    .category-filter-section {
        top: 68px;
        padding: 1.5rem 0;
    }
    
    .article-card {
        flex-direction: column;
    }
    
    .article-card-thumbnail {
        flex: 0 0 auto;
        width: 100%;
        height: 180px;
    }
    
    .article-card-content {
        padding: 1.25rem 1.5rem;
        min-height: auto;
    }
    
    .article-card-title {
        font-size: 1.1rem;
    }
    
    .article-card-excerpt {
        font-size: 0.9rem;
    }
}

@media (max-width: 767.98px) {
    .articles-hero {
        padding: 3rem 0 2rem;
    }
    
    .articles-hero h1 {
        font-size: 1.75rem;
    }
    
    .articles-hero p {
        font-size: 1rem;
    }
    
    .category-filter-section {
        padding: 1.25rem 0;
    }
    
    .category-filter-wrapper {
        gap: 0.5rem;
    }
    
    .category-filter-btn {
        padding: 0.625rem 1.25rem;
        font-size: 0.85rem;
    }
    
    .articles-section {
        padding: 2rem 0 3rem;
    }
    
    .articles-list {
        gap: 1.25rem;
    }
    
    .article-card-thumbnail {
        height: 160px;
    }
    
    .article-card-content {
        padding: 1rem 1.25rem;
    }
    
    .article-card-title {
        font-size: 1rem;
    }
    
    .article-card-excerpt {
        font-size: 0.85rem;
        -webkit-line-clamp: 2;
        line-clamp: 2;
    }
    
    .article-show-section {
        padding: 2rem 0 3rem;
    }
    
    .article-show-title {
        font-size: 1.5rem;
    }
    
    .article-show-body {
        font-size: 1rem;
        line-height: 1.8;
    }
    
    .article-show-body h2 {
        font-size: 1.5rem;
    }
    
    .article-show-body h3 {
        font-size: 1.25rem;
    }
}

@media (max-width: 575.98px) {
    .category-filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
    }
    
    .category-filter-btn i {
        font-size: 0.85rem;
    }
    
    .article-card-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
}