.contact-floating-buttons {
    position: fixed;
    right: 20px;
    bottom: 70px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 9999;
}

.contact-btn {
    width: 40px;
    height: 40px;
    /* background-color: #0084ff; */
    border-radius: 50%;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    text-decoration: none;
    font-size: 22px;
}

.contact-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

.contact-btn.call {
    background-color: #28a745;
}

.contact-btn.sms {
    background-color: #f60;
}

.contact-btn.zalo {
    /* background-color: #0084ff; */
    padding: 6px;
}

.contact-btn.messenger {
    background-color: #0078ff;
}

/* Zalo dùng ảnh PNG */
.contact-btn.zalo img {
    width: 28px;
    height: 28px;
    object-fit: contain;
}

.contact-btn img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    display: block;
}

.contact-btn i {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

@keyframes shake {
    0% {
        transform: translateX(0);
    }

    20% {
        transform: translateX(-4px);
    }

    40% {
        transform: translateX(4px);
    }

    60% {
        transform: translateX(-4px);
    }

    80% {
        transform: translateX(4px);
    }

    100% {
        transform: translateX(0);
    }
}



@keyframes zoom-pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(33, 150, 243, 0.4);
    }

    50% {
        transform: scale(1.05);
        box-shadow: 0 0 0 15px rgba(33, 150, 243, 0);
    }

    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(33, 150, 243, 0);
    }
}

.contact-btn i,
.contact-btn img {
    animation: zoom-pulse 2s infinite, shake 0.6s infinite;
}