.sahf-whatsapp-button {
    position: fixed;
    right: 24px;
    bottom: 24px;

    width: 60px;
    height: 60px;

    display: flex;
    align-items: center;
    justify-content: center;

    border-radius: 50%;

    background: #25D366;
    color: #ffffff;

    text-decoration: none;

    box-shadow:
        0 8px 24px rgba(0, 0, 0, 0.18);

    z-index: 999999;

    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease;
}

.sahf-whatsapp-button:hover {
    transform: translateY(-3px);

    box-shadow:
        0 12px 30px rgba(0, 0, 0, 0.24);

    color: #ffffff;
}

.sahf-whatsapp-button:focus-visible {
    outline: 3px solid #111827;
    outline-offset: 4px;
}

.sahf-whatsapp-button .sahf-whatsapp-icon {
    width: 34px;
    height: 34px;

    display: block;

    color: #ffffff;

    flex-shrink: 0;
}

.sahf-whatsapp-button__tooltip {
    position: absolute;

    right: 72px;
    top: 50%;

    transform:
        translateY(-50%)
        translateX(8px);

    padding: 9px 13px;

    background: #111827;
    color: #ffffff;

    border-radius: 7px;

    font-size: 13px;
    line-height: 1.3;

    white-space: nowrap;

    opacity: 0;
    visibility: hidden;

    transition:
        opacity 0.2s ease,
        transform 0.2s ease;
}

.sahf-whatsapp-button:hover
.sahf-whatsapp-button__tooltip,
.sahf-whatsapp-button:focus-visible
.sahf-whatsapp-button__tooltip {
    opacity: 1;
    visibility: visible;

    transform:
        translateY(-50%)
        translateX(0);
}

@media (max-width: 767px) {

    .sahf-whatsapp-button {
        right: 18px;
        bottom: 18px;

        width: 56px;
        height: 56px;
    }

    .sahf-whatsapp-button .sahf-whatsapp-icon {
    width: 31px;
    height: 31px;
}

    .sahf-whatsapp-button__tooltip {
        display: none;
    }
}