/* ── Botão flutuante WhatsApp ──────────────────────────────── */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 30px;
    right: 30px;
    background-color: #25D366;
    color: #FFF;
    border-radius: 50%;
    text-align: center;
    box-shadow: 2px 2px 6px rgba(0, 0, 0, .2);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}
.whatsapp-float img {
    height: 26px;
}

/* ── Estado oculto inicial (gerenciado via JS com .show()/.hide()) ─ */
.is-hidden {
    display: none;
}

@media screen and (max-width: 768px) {
    .whatsapp-float { bottom: 20px; right: 20px; width: 52px; height: 52px; }
}

@media screen and (max-width: 576px) {
    .whatsapp-float { bottom: 16px; right: 16px; width: 48px; height: 48px; }
}

.footer-main {
    padding: 2rem;
    color: var(--color-neutral-100);
}