/* ===========================================
   CONTACT MENU - PC Only (Desktop)
   Hiển thị trên PC, nằm trên chat widget
   Hiển thị trực tiếp các nút Facebook, Zalo, Telegram
   =========================================== */

.contact-menu-pc {
    position: fixed;
    bottom: 100px; /* Nằm trên footer fixed (nếu có) hoặc chat widget */
    right: 20px;
    z-index: 1050;
    display: none;
    flex-direction: column;
    gap: 15px;
    transition: bottom 0.3s ease;
}

/* Chỉ hiển thị trên PC (min-width: 992px) */
@media (min-width: 992px) {
    .contact-menu-pc {
        display: flex;
    }
}

/* Contact Buttons */
.contact-menu-pc-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.035);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.contact-menu-pc-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.1) 0%, rgba(0, 86, 179, 0.1) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.contact-menu-pc-btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
    border-color: rgba(13, 110, 253, 0.3);
    text-decoration: none;
    background: rgba(255, 255, 255, 1);
}

.contact-menu-pc-btn:hover::before {
    opacity: 1;
}

.contact-menu-pc-btn img {
    width: 32px;
    height: 32px;
    object-fit: contain;
    position: relative;
    z-index: 1;
    transition: transform 0.3s ease;
}

.contact-menu-pc-btn:hover img {
    transform: scale(1.1);
}

.contact-menu-pc-btn[href*="facebook"]:hover {
    background: rgba(24, 119, 242, 0.1);
    border-color: rgba(24, 119, 242, 0.3);
}

.contact-menu-pc-btn[href*="zalo"]:hover {
    background: rgba(0, 180, 255, 0.1);
    border-color: rgba(0, 180, 255, 0.3);
}

.contact-menu-pc-btn[href*="telegram"]:hover,
.contact-menu-pc-btn[href*="t.me"]:hover {
    background: rgba(37, 150, 190, 0.1);
    border-color: rgba(37, 150, 190, 0.3);
}

@keyframes contactButtonSlideIn {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.contact-menu-pc-btn {
    animation: contactButtonSlideIn 0.4s ease backwards;
}

.contact-menu-pc-btn:nth-child(1) {
    animation-delay: 0.1s;
}

.contact-menu-pc-btn:nth-child(2) {
    animation-delay: 0.2s;
}

.contact-menu-pc-btn:nth-child(3) {
    animation-delay: 0.3s;
}

@media (max-width: 991.98px) {
    .contact-menu-pc {
        display: none !important;
    }
}