main {
    min-height: calc(100vh - 120px); /* ajusta altura mínima (desconta header+footer) */
}

.site-footer {
    z-index: 10;
    background-color: #111;
    color: #fff;
    padding: 40px 20px;
    font-family: 'Open Sans', sans-serif;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto;
    gap: 20px;
}

.footer-about,
.footer-links,
.footer-contact {
    flex: 1;
    min-width: 250px;
}

.footer-about h4,
.footer-links h4,
.footer-contact h4 {
    margin-bottom: 15px;
    font-size: 18px;
    color: #f0f0f0;
}

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

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links ul li a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links ul li a:hover {
    color: #fff;
}

.footer-contact p {
    margin: 5px 0;
    color: #ccc;
}

.footer-bottom {
    text-align: center;
    margin-top: 30px;
    border-top: 1px solid #333;
    padding-top: 15px;
    color: #888;
    font-size: 14px;
}

/* 🔹 Responsividade */
@media (max-width: 900px) {
    .footer-container {
        justify-content: center;
        text-align: center;
    }

    .footer-about,
    .footer-links,
    .footer-contact {
        flex: 1 1 100%;
        max-width: 100%;
    }
}

@media (max-width: 600px) {
    .site-footer {
        padding: 30px 15px;
    }

    .footer-about h4,
    .footer-links h4,
    .footer-contact h4 {
        font-size: 16px;
    }

    .footer-bottom {
        font-size: 12px;
    }
}