.whatsapp-float {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: #25d366;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.22);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.whatsapp-float:hover,
.whatsapp-float:focus-visible {
    transform: translateY(-2px) scale(1.04);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.28);
}

.whatsapp-float:focus-visible {
    outline: 3px solid rgba(37, 211, 102, 0.3);
    outline-offset: 4px;
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
    fill: #ffffff;
}

@media (max-width: 767px) {
    .whatsapp-float {
        right: 16px;
        bottom: 16px;
        width: 54px;
        height: 54px;
    }

    .whatsapp-float svg {
        width: 30px;
        height: 30px;
    }
}