/* Estilos específicos para a página de artigos */

/* Articles Hero */
.articles-hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: var(--spacing-3xl) 0;
    text-align: center;
}

.articles-hero h1 {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-lg);
    font-weight: 700;
}

.articles-hero .hero-subtitle {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Articles Content */
.articles-content {
    padding: var(--spacing-3xl) 0;
    background-color: var(--background-light);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-2xl);
}

.article-card {
    background-color: var(--background-white);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.article-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.article-image {
    position: relative;
    height: 240px;
    overflow: hidden;
}

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

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

.article-category {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    background-color: var(--accent-color);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.article-content {
    padding: var(--spacing-xl);
}

.article-content h2 {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-xl);
    line-height: 1.3;
}

.article-content h2 a {
    color: var(--text-dark);
    text-decoration: none;
    transition: color 0.3s ease;
}

.article-content h2 a:hover {
    color: var(--primary-color);
}

.article-excerpt {
    color: var(--text-medium);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
    font-size: var(--font-size-sm);
}

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

.meta-info {
    display: flex;
    gap: var(--spacing-md);
    font-size: var(--font-size-xs);
    color: var(--text-light);
}

.article-date,
.reading-time {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.meta-info i {
    color: var(--accent-color);
}

.read-more-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--primary-color);
    font-weight: 500;
    font-size: var(--font-size-sm);
    text-decoration: none;
    transition: color 0.3s ease, gap 0.3s ease;
}

.read-more-btn:hover {
    color: var(--accent-color);
    gap: var(--spacing-sm);
}

/* No Articles */
.no-articles {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 400px;
}

.no-articles-content {
    text-align: center;
    max-width: 500px;
}

.no-articles-content i {
    font-size: 4rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
}

.no-articles-content h2 {
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
}

.no-articles-content p {
    color: var(--text-medium);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

/* Categories Section */
.categories-section {
    padding: var(--spacing-3xl) 0;
    background-color: var(--background-white);
}

.categories-section h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: var(--spacing-2xl);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.category-card {
    background-color: var(--background-light);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.category-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.category-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--light-accent) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
}

.category-icon i {
    font-size: var(--font-size-2xl);
    color: white;
}

.category-card h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.category-card p {
    color: var(--text-medium);
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

/* Newsletter Section */
.newsletter-section {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
}

.newsletter-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.newsletter-text h2 {
    margin-bottom: var(--spacing-md);
    color: white;
}

.newsletter-text p {
    opacity: 0.9;
    line-height: 1.6;
    color: white;
}

.newsletter-form .form-group {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: 0;
}

.newsletter-input {
    flex: 1;
    padding: var(--spacing-md);
    border: none;
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-base);
}

.newsletter-input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
}

.newsletter-btn {
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-base);
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s ease;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    white-space: nowrap;
}

.newsletter-btn:hover {
    background-color: var(--light-accent);
}

/* Responsividade */
@media (max-width: 768px) {
    .articles-hero h1 {
        font-size: var(--font-size-3xl);
    }
    
    .articles-hero .hero-subtitle {
        font-size: var(--font-size-base);
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .article-meta {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: flex-start;
    }
    
    .categories-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    
    .newsletter-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .newsletter-form .form-group {
        flex-direction: column;
    }
    
    .newsletter-input,
    .newsletter-btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .articles-hero h1 {
        font-size: var(--font-size-2xl);
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .article-card {
        margin: 0 var(--spacing-sm);
    }
    
    .article-image {
        height: 200px;
    }
    
    .article-content {
        padding: var(--spacing-lg);
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    .category-card {
        margin: 0 var(--spacing-sm);
    }
}