/* Section Floating Contact CSS - EduPrime */
.floating-contact-widget {
    position: fixed;
    bottom: 30px;
    right: 25px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.floating-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    text-decoration: none;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
    position: relative;
    font-size: 20px;
}
.floating-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.3);
}

.floating-phone {
    background: #10b981;
    animation: pulsePhone 2s infinite;
}
.floating-zalo {
    background: #0068ff;
}
.floating-messenger {
    background: #0084ff;
}
.back-to-top {
    background: #0f2a59;
    border: none;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}
.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.floating-tooltip {
    position: absolute;
    right: 60px;
    background: #0f2a59;
    color: #ffffff;
    font-size: 12px;
    font-weight: 700;
    padding: 6px 12px;
    border-radius: 6px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    pointer-events: none;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}
.floating-btn:hover .floating-tooltip {
    opacity: 1;
    visibility: visible;
    right: 64px;
}

@keyframes pulsePhone {
    0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6); }
    70% { box-shadow: 0 0 0 14px rgba(16, 185, 129, 0); }
    100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

@media (max-width: 768px) {
    .floating-contact-widget {
        bottom: 20px;
        right: 15px;
    }
    .floating-btn {
        width: 44px;
        height: 44px;
        font-size: 18px;
    }
    .floating-tooltip {
        display: none;
    }
}