.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    background: var(--color-whatsapp);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: transform 0.2s, box-shadow 0.2s;
    text-decoration: none;
}

.whatsapp-float:focus-visible {
    outline: 3px solid var(--color-focus);
    outline-offset: 3px;
}

.whatsapp-float:hover {
    color: #fff;
    transform: scale(1.08);
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.5);
}

.text-muted {
    color: var(--color-text-muted) !important;
}

@media (max-width: 575.98px) {
    .whatsapp-float {
        right: max(16px, env(safe-area-inset-right));
        bottom: max(16px, env(safe-area-inset-bottom));
    }
}

@media (prefers-reduced-motion: reduce) {
    .whatsapp-float,
    .whatsapp-float:hover {
        transition: none;
        transform: none;
    }
}