/* ==============================================
   Footer Styles - Direitos Autorais
   ============================================== */

.footer {
    background: var(--surface);
    border-top: 2px solid var(--border);
    margin-top: 4rem;
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
}

.footer-section h4 {
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    font-size: 1rem;
}

.footer-section p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
    gap: 1rem;
}

.copyright {
    flex: 1;
}

.copyright p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.copyright strong {
    color: var(--primary-color);
    font-weight: 600;
}

.author-info {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-links {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

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

.footer-links span {
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 768px) {
    .footer {
        padding: 2rem 0 1rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .footer-links {
        justify-content: center;
    }
}

/* Dark Theme */
[data-theme="dark"] .footer {
    background: #1e293b;
    border-top-color: #334155;
}

[data-theme="dark"] .footer-bottom {
    border-top-color: #334155;
}