.tb-floating-whatsapp {
    position: fixed;
    right: 18px;
    bottom: 18px;
    z-index: 999;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 18px;
    border-radius: 999px;
    background: #25D366;
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    line-height: 1;
    text-decoration: none;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.tb-floating-whatsapp:hover,
.tb-floating-whatsapp:focus-visible {
    color: #fff;
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.22);
}

@media (max-width: 767px) {
    .tb-floating-whatsapp {
        right: 14px;
        bottom: 14px;
        min-height: 44px;
        padding: 0 16px;
        font-size: 14px;
    }
}