.articles-main {
    background: #ffffff;
}

.articles-header {
    padding: 120px 0 60px;
    background: #fafafa;
    text-align: center;
}

.articles-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.articles-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.articles-controls {
    padding: 40px 0;
    background: white;
    border-bottom: 1px solid var(--border-color);
}

.search-filter-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
}

.search-box {
    position: relative;
    flex: 1;
    max-width: 400px;
}

.search-box i {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.search-box input {
    width: 100%;
    padding: 14px 16px 14px 44px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    font-size: 1rem;
    background: #fafafa;
    transition: all 0.3s ease;
}

.search-box input:focus {
    background: white;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

.filter-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 20px;
    border: 1px solid var(--border-color);
    background: white;
    color: var(--text-secondary);
    border-radius: 24px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.filter-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

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

.articles-content {
    padding: 60px 0;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 32px;
    margin-bottom: 60px;
}

.load-more-container {
    text-align: center;
}

.article-card {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease-out forwards;
}

.article-card:nth-child(1) { animation-delay: 0.1s; }
.article-card:nth-child(2) { animation-delay: 0.2s; }
.article-card:nth-child(3) { animation-delay: 0.3s; }
.article-card:nth-child(4) { animation-delay: 0.4s; }
.article-card:nth-child(5) { animation-delay: 0.5s; }
.article-card:nth-child(6) { animation-delay: 0.6s; }

.no-results {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-secondary);
}

.no-results i {
    font-size: 4rem;
    color: var(--border-color);
    margin-bottom: 24px;
}

.no-results h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.no-results p {
    font-size: 1.125rem;
    max-width: 400px;
    margin: 0 auto;
}

.loading-spinner {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@media (max-width: 767.98px) {
    .articles-header {
        padding: 100px 0 40px;
    }
    
    .articles-title {
        font-size: 2.5rem;
    }
    
    .articles-subtitle {
        font-size: 1.125rem;
    }
    
    .articles-controls {
        padding: 30px 0;
    }
    
    .search-filter-bar {
        flex-direction: column;
        gap: 20px;
        align-items: stretch;
    }
    
    .search-box {
        max-width: none;
    }
    
    .filter-buttons {
        justify-content: center;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
        gap: 24px;
        margin-bottom: 40px;
    }
    
    .articles-content {
        padding: 40px 0;
    }
}

@media (max-width: 575.98px) {
    .filter-buttons {
        gap: 6px;
    }
    
    .filter-btn {
        padding: 8px 16px;
        font-size: 0.8125rem;
    }
}