.cntct_btns {
    position: fixed;
    bottom: 18px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.cntct_btns.right {
    right: var(--side-margin);
}

.cntct_btns.left {
    left: var(--side-margin);
}

.cntct_btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    color: #fff;
    font-size: 20px;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: translateY(10px);
    transition: transform 0.3s ease, opacity 0.3s ease;
    z-index: 104;
}

.cntct_btns.open .cntct_btn {
    opacity: 1;
    transform: translateY(0);
}

.cntct_btn:hover {
    background: #e5e5e5;
    color: #333;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.cntct_btn.whatsapp { background: #25D366; }
.cntct_btn.telegram { background: #0088cc; }
.cntct_btn.facebook_messenger { background: #0084FF; }
.cntct_btn.viber { background: #665CAC; }
.cntct_btn.phone { background: #34A853; }
.cntct_btn.email { background: #D44638; }
.cntct_btn.vk { background: #4A76A8; }

.cntct_btn_mn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 24px;
    color: #fff;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background: var(--button-color);
    z-index: 105;
}