/* VT Mega Menu Destinations Styles */
.vt-mega-destinations {
    padding: 20px;
}
.vt-mega-region {
    margin-bottom: 20px;
}
.vt-mega-region-title {
    font-size: 16px;
    font-weight: 700;
    color: #28b5a4;
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 2px solid #28b5a4;
    text-transform: uppercase;
}
.vt-mega-cards {
    display: grid;
    grid-template-columns: repeat(var(--vt-cols, 4), 1fr);
    gap: 15px;
}
.vt-mega-card {
    display: flex;
    flex-direction: column;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
    color: #333;
    background: #fff;
}
.vt-mega-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
}
.vt-mega-card-img {
    position: relative;
    height: 120px;
    overflow: hidden;
}
.vt-mega-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}
.vt-mega-card:hover .vt-mega-card-img img {
    transform: scale(1.05);
}
.vt-mega-card-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #28b5a4 0%, #1a8a7d 100%);
}
.vt-mega-card-content {
    padding: 10px 12px;
}
.vt-mega-card-title {
    font-size: 14px;
    font-weight: 600;
    margin: 0 0 5px;
    color: #333;
}
.vt-mega-card-desc {
    font-size: 12px;
    color: #666;
    margin: 0 0 5px;
    line-height: 1.4;
}
.vt-mega-card-count {
    font-size: 11px;
    color: #28b5a4;
    font-weight: 600;
}
.vt-mega-card-cta {
    display: block;
    font-size: 12px;
    color: #28b5a4;
    font-weight: 600;
    margin-top: 5px;
}

/* Hanoi Tours Mega Menu */
.vt-hanoi-mega {
    padding: 20px;
}
.vt-hanoi-mega-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}
.vt-hanoi-card {
    display: flex;
    align-items: center;
    padding: 10px;
    border-radius: 8px;
    text-decoration: none;
    color: #333;
    transition: background 0.2s ease;
    border: 1px solid #eee;
}
.vt-hanoi-card:hover {
    background: #f0faf9;
    border-color: #28b5a4;
}
.vt-hanoi-card-img {
    position: relative;
    width: 50px;
    height: 50px;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
    margin-right: 10px;
}
.vt-hanoi-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.vt-hanoi-card-icon {
    position: absolute;
    bottom: 2px;
    right: 2px;
    font-size: 14px;
    background: rgba(255,255,255,0.9);
    border-radius: 4px;
    padding: 1px 3px;
    line-height: 1;
}
.vt-hanoi-card-info h4 {
    font-size: 13px;
    font-weight: 600;
    margin: 0 0 3px;
    color: #333;
}
.vt-hanoi-card-tours {
    font-size: 11px;
    color: #28b5a4;
}
.vt-hanoi-mega-footer {
    margin-top: 15px;
    text-align: center;
    padding-top: 12px;
    border-top: 1px solid #eee;
}
.vt-hanoi-view-all {
    color: #28b5a4;
    font-weight: 600;
    text-decoration: none;
    font-size: 14px;
}
.vt-hanoi-view-all:hover {
    color: #1a8a7d;
}

@media (max-width: 768px) {
    .vt-mega-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    .vt-hanoi-mega-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}


/* ============================================================
   VT — Section heading underline (target: live design)
   ============================================================ */
/* Đường gạch ngang mảnh dưới mỗi tiêu đề cột HANOI & NORTH, SAPA &..., v.v. */
#mega-menu-primary .mega-sub-menu li.mega-disable-link.mega-menu-item-has-children > a.mega-menu-link,
#mega-menu-primary .mega-sub-menu li.mega-menu-item-has-children.mega-menu-megamenu > a.mega-menu-link {
    position: relative;
    text-transform: uppercase !important;
    font-weight: 600 !important;
    letter-spacing: 0.04em;
    padding-bottom: 10px !important;
    margin-bottom: 12px !important;
    border-bottom: 1px solid rgba(40, 181, 164, 0.22) !important;
}
/* Ẩn mũi tên dropdown indicator của heading column (vì chỉ là tiêu đề tĩnh) */
#mega-menu-primary .mega-sub-menu li.mega-disable-link > a.mega-menu-link > .mega-indicator {
    display: none !important;
}
/* Hover heading: underline đậm hơn nhưng vẫn nhẹ */
#mega-menu-primary .mega-sub-menu li.mega-disable-link > a.mega-menu-link:hover {
    border-bottom-color: rgba(40, 181, 164, 0.55) !important;
}