.mega-submenu {
    position: absolute;
    left: 0;
    width: 100%;
    background: #ffffff;
    box-shadow: 0 8px 25px rgba(0,0,0,0.12);
    padding: 30px 0;
    display: none;
    z-index: 999;
}

.menu-item-has-children:hover > .sub-menu.mega-submenu,
.menu-item-has-children.focus > .sub-menu.mega-submenu {
    display: block;
}

.mega-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.mega-inner {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
}

.mega-column {
    flex: 1 1 220px;
    min-width: 220px;
}

.mega-heading {
    margin: 0 0 18px;
    font-size: 1.25rem;
    color: #222;
}

@media (max-width: 1023px) {
    .mega-submenu {
        position: static;
        box-shadow: none;
        padding: 15px;
    }
    .mega-inner {
        flex-direction: column;
    }
}