/* Rodapé */
.footer {
    background: var(--gray-900);
    color: var(--white);
    padding: 4rem 2rem 2rem;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="20" height="20" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><rect width="1" height="1" fill="rgba(255, 255, 255, 0.05)"/></svg>');
    opacity: 0.5;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.footer-section h3 {
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.75rem;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 3rem;
    height: 0.25rem;
    background: var(--primary-color);
    border-radius: 0.125rem;
}

.footer-section p {
    color: var(--gray-400);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--gray-400);
    text-decoration: none;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-links a:hover {
    color: var(--primary-color);
    transform: translateX(5px);
}

.footer-links i {
    font-size: 0.9rem;
    opacity: 0;
    transition: all 0.3s ease;
}

.footer-links a:hover i {
    opacity: 1;
}

.contact-info {
    list-style: none;
    padding: 0;
    margin: 0;
}

.contact-info li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
    color: var(--gray-400);
}

.contact-info i {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-top: 0.25rem;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.social-link {
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    margin-top: 3rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--gray-400);
    font-size: 0.9rem;
}

.footer-bottom p {
    margin: 0;
}

.footer-bottom a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-bottom a:hover {
    color: var(--secondary-color);
}

/* Responsividade */
@media (max-width: 768px) {
    .footer {
        padding: 3rem 1rem 1.5rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-section h3 {
        font-size: 1.3rem;
        margin-bottom: 1.25rem;
    }

    .footer-section p {
        font-size: 0.95rem;
    }

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

    .contact-info li {
        margin-bottom: 1.25rem;
    }

    .social-links {
        justify-content: center;
    }

    .footer-bottom {
        padding-top: 1.5rem;
        margin-top: 2rem;
    }
}