.cfb-container {
    position: fixed;
    bottom: 20px;
    right: var(--cfb-pos-x);
    left: var(--cfb-pos-left);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.cfb-button {
    width: var(--cfb-size);
    height: var(--cfb-size);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: calc(var(--cfb-size) / 2);
    text-decoration: none;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), background-color 0.3s ease;
    position: relative;
}

.cfb-button:hover {
    transform: scale(1.1) rotate(5deg);
}

.cfb-whatsapp {
    background-color: var(--cfb-wa-color);
}

.cfb-whatsapp:hover {
    filter: brightness(90%);
}

.cfb-sms {
    background-color: var(--cfb-sms-color);
}

.cfb-sms:hover {
    filter: brightness(90%);
}

.cfb-email {
    background-color: var(--cfb-email-color);
}

.cfb-email:hover {
    filter: brightness(90%);
}

/* Animations */
@keyframes cfb-bounce {
    0%, 20%, 50%, 80%, 100% {transform: translateY(0);}
    40% {transform: translateY(-10px);}
    60% {transform: translateY(-5px);}
}

.cfb-container .cfb-button:first-child {
    animation: cfb-bounce 3s infinite;
}

/* Tooltip simple */
.cfb-button::after {
    content: attr(title);
    position: absolute;
    right: calc(100% + 10px);
    background: #333;
    color: #fff;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s;
}

.cfb-container[style*="--cfb-pos-left: 20px"] .cfb-button::after {
    right: auto;
    left: calc(100% + 10px);
}

.cfb-button:hover::after {
    opacity: 1;
    visibility: visible;
}