.floating-contact {
    position: fixed;
    top: 50%;
    right: 18px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transform: translateY(-50%);
}

.floating-contact__button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border: 3px solid #fff;
    border-radius: 50%;
    box-shadow: 0 3px 12px rgba(0, 0, 0, .24);
    text-decoration: none;
}

.floating-contact__button:hover,
.floating-contact__button:focus {
    text-decoration: none;
    outline: none;
}

.floating-contact__button:focus-visible {
    outline: 3px solid rgba(32, 107, 196, .4);
    outline-offset: 2px;
}

.floating-contact__button--phone {
    position: relative;
    background-color: #e60000 !important;
    color: #fff !important;
    font-size: 23px;
    animation: contact-phone-blink 1s ease-in-out infinite !important;
}

.floating-contact__button--phone::before {
    position: absolute;
    inset: -5px;
    border: 3px solid #ff2020;
    border-radius: 50%;
    content: "";
    pointer-events: none;
    animation: contact-phone-ring 1s ease-out infinite !important;
}

@keyframes contact-phone-blink {
    0%, 100% {
        background-color: #e60000;
        box-shadow: 0 0 4px rgba(230, 0, 0, .55);
        filter: brightness(.85);
    }

    50% {
        background-color: #ff3b3b;
        box-shadow: 0 0 24px rgba(255, 0, 0, 1);
        filter: brightness(1.35);
    }
}

@keyframes contact-phone-ring {
    0% {
        opacity: 1;
        transform: scale(.9);
    }

    100% {
        opacity: 0;
        transform: scale(1.45);
    }
}

.floating-contact__button--zalo,
.floating-contact__button--zalo:hover,
.floating-contact__button--zalo:focus,
.floating-contact__button--zalo:active {
    background-color: #fff !important;
    color: #0876e8 !important;
}

.floating-contact__zalo-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border: 2px solid #0876e8 !important;
    border-radius: 50%;
    background-color: #fff !important;
    color: #0876e8 !important;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 11px;
    font-weight: 700;
    line-height: 1;
    letter-spacing: -.5px;
}

@media (max-width: 767px) {
    .floating-contact {
        right: 10px;
        gap: 9px;
    }

    .floating-contact__button {
        width: 46px;
        height: 46px;
        border-width: 2px;
    }

    .floating-contact__button--phone {
        font-size: 20px;
    }

    .floating-contact__zalo-logo {
        width: 31px;
        height: 31px;
        font-size: 10px;
    }
}