.fcb-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 9999;
}

.fcb-btn {
    width: 55px;
    height: 55px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 26px;
    color: white;
    transition: all 0.3s ease;
    box-shadow: 0 3px 10px rgba(0,0,0,0.2);
}

.fcb-btn img {
    width: 28px;
    height: 28px;
    filter: brightness(0) invert(1);
}

.fcb-messenger { background-color: #0084ff; }
.fcb-whatsapp { background-color: #25D366; }
.fcb-call { background-color: #28a745; }

.fcb-btn:hover {
    transform: scale(1.1);
    opacity: 0.9;
}