.contactanos-page .contact-whatsapp {
    position: fixed;
    right: max(20px, env(safe-area-inset-right));
    bottom: max(20px, env(safe-area-inset-bottom));
    z-index: 1031;
    display: flex;
    align-items: center;
    gap: 10px;
    max-width: calc(100vw - 32px);
}

.contact-whatsapp__bubble {
    position: relative;
    max-width: 220px;
    margin: 0;
    padding: 10px 14px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    background: #fff;
    color: #333;
    box-shadow: 0 4px 10px rgb(0 0 0 / 15%);
    font-size: 14px;
    line-height: 1.45;
}

.contact-whatsapp__bubble::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    width: 10px;
    height: 10px;
    border-right: 1px solid #e0e0e0;
    border-top: 1px solid #e0e0e0;
    background: #fff;
    transform: translateY(-50%) rotate(45deg);
}

.contact-whatsapp__button {
    display: flex;
    flex: 0 0 60px;
    width: 60px;
    height: 60px;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: #25d366;
    box-shadow: 0 4px 10px rgb(0 0 0 / 25%);
    transition: transform .2s ease;
}

.contact-whatsapp__button svg {
    display: block;
    flex: none;
    width: 34px;
    height: 34px;
    fill: #fff;
}

.contact-whatsapp__button:focus-visible {
    outline: 3px solid #111827;
    outline-offset: 4px;
}

@media (hover: hover) {
    .contact-whatsapp__button:hover { transform: scale(1.08); }
}

@media (max-width: 575.98px) {
    .contactanos-page .contact-whatsapp {
        right: max(12px, env(safe-area-inset-right));
        bottom: max(12px, env(safe-area-inset-bottom));
    }
    .contact-whatsapp__bubble { max-width: 200px; font-size: 13px; }
    .contactanos-page .public-footer { padding-bottom: 140px; }
}

@media (prefers-reduced-motion: reduce) {
    .contact-whatsapp__button { transition: none; }
    .contact-whatsapp__button:hover { transform: none; }
}