/* FOOTER COMPACTO (igual que el header) */
.footer {
    width: 100%;
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    padding: 14px 0; /* MUY compacto */
    transition: padding 0.4s ease;
}

/* FOOTER EXPANDIDO (cuando llegas abajo) */
.footer.expand {
    padding: 50px 0 40px; /* GRAN diferencia visible */
}

/* CONTENIDO CENTRADO */
.footer-inner {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 32px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.footer-section h4 {
    font-size: 16px;
    margin-bottom: 10px;
    color: var(--color-text);
}

.footer-section a,
.footer-section p {
    display: block;
    margin-bottom: 6px;
    color: var(--color-text);
    text-decoration: none;
    font-size: 14px;
    opacity: 0.8;
    transition: 0.2s ease;
}

.footer-section a:hover {
    opacity: 1;
    color: var(--color-primary);
}

/* LÍNEA INFERIOR */
.footer-bottom {
    text-align: center;
    margin-top: 20px;
    padding-top: 12px;
    border-top: 1px solid var(--color-border);
    font-size: 13px;
    opacity: 0.7;
}

.bmc-footer-link {
    display: none;
    margin-top: 8px;
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
    opacity: 0.95;
}

.bmc-footer-link:hover {
    text-decoration: underline;
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .footer-inner {
        grid-template-columns: 1fr;
        padding: 0 20px;
    }

    .bmc-footer-link {
        display: inline-block;
    }
}