/* VDG-Vimido Core - Pure CSS Floating CTA */
.vdg-floating-cta {
    position: fixed;
    bottom: 25px;
    left: 25px;
    z-index: 999999;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.vdg-btn {
    position: relative;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 14px rgba(0,0,0,0.22);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    text-decoration: none;
    cursor: pointer;
}

.vdg-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}

.vdg-btn-zalo {
    background: #0068ff;
}

.vdg-btn-phone {
    background: #e62020;
}

/* Phone Pulse Animation */
.vdg-phone-pulse {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: inherit;
    opacity: 0.7;
    animation: vdgPulse 1.8s infinite;
    z-index: -1;
}

@keyframes vdgPulse {
    0% { transform: scale(1); opacity: 0.7; }
    70% { transform: scale(1.55); opacity: 0; }
    100% { transform: scale(1.55); opacity: 0; }
}

/* Tooltips */
.vdg-btn-tooltip {
    position: absolute;
    left: 64px;
    background: rgba(15, 23, 42, 0.92);
    color: #fff;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
    transform: translateX(-6px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.vdg-btn:hover .vdg-btn-tooltip {
    opacity: 1;
    transform: translateX(0);
}

@media (max-width: 768px) {
    .vdg-floating-cta {
        bottom: 20px;
        left: 18px;
        gap: 12px;
    }
    .vdg-btn {
        width: 46px;
        height: 46px;
    }
    .vdg-btn-tooltip {
        display: none;
    }
}