/* ==========================================================================
   Boxti — Footer
   Fundo mais escuro, 4 colunas: logo · acesso rápido · termos · contato.
   ========================================================================== */

.site-footer {
    background-color: var(--color-bg-deep);
    padding-block: clamp(3rem, 2rem + 4vw, 5rem);
    border-top: 1px solid var(--color-divider);
}

.site-footer__grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
    gap: clamp(2rem, 1rem + 3vw, 4rem);
}

.footer-brand__logo img {
    height: 140px;
    width: auto;
}

/* Redes sociais */
.footer-social {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-5);
}

.footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1px solid var(--color-card-border);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast),
                border-color var(--transition-fast),
                background-color var(--transition-fast);
}

.footer-social a:hover {
    color: var(--color-blue);
    border-color: var(--color-blue);
    background-color: rgba(43, 125, 214, 0.08);
}

.footer-social svg {
    width: 20px;
    height: 20px;
}

.footer-col__title {
    font-size: var(--fs-h4);
    font-weight: var(--fw-bold);
    color: var(--color-white);
    margin-bottom: var(--space-5);
}

/* Listas de links */
.footer-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-list li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--color-text-secondary);
}

.footer-list li::before {
    content: "";
    flex-shrink: 0;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background-color: var(--color-text-muted);
}

.footer-list a {
    transition: color var(--transition-fast);
}

.footer-list a:hover {
    color: var(--color-blue);
}

/* Informações de contato (ícone + texto) */
.footer-contact {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    color: var(--color-text-secondary);
    line-height: var(--lh-snug);
}

.footer-contact svg {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    color: var(--color-blue);
    margin-top: 1px;
}

.footer-contact a:hover {
    color: var(--color-blue);
}

/* Barra inferior */
.site-footer__bottom {
    margin-top: clamp(2.5rem, 1.5rem + 3vw, 4rem);
    padding-top: var(--space-5);
    border-top: 1px solid var(--color-divider);
    font-size: var(--fs-small);
    color: var(--color-text-muted);
}

/* Responsivo --------------------------------------------------------------- */
@media (max-width: 900px) {
    .site-footer__grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 520px) {
    .site-footer__grid {
        grid-template-columns: 1fr;
    }
}