/* ============================================================
   MEGA MENU (Titanium Theme - Horizontal Layout)
   ============================================================ */

/* Parent Item Positioning */
.nav-item-has-submenu {
    position: relative;
    padding-bottom: 20px;
    /* Bridge for hover */
    margin-bottom: -20px;
}

/* Dropdown Container */
.nav-submenu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
    padding: 24px 32px;
    border: 1px solid rgba(226, 232, 240, 0.8);
    border-radius: 12px;
    box-shadow:
        0 4px 6px -1px rgba(0, 0, 0, 0.05),
        0 10px 15px -3px rgba(0, 0, 0, 0.05);
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s cubic-bezier(0.19, 1, 0.22, 1);
    min-width: 240px;
    z-index: 1001;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* Services mega-menu: horizontal layout */
.nav-submenu--mega {
    min-width: 560px;
    flex-direction: row;
    gap: 0;
    padding: 28px 0;
}

.nav-submenu--mega .mega-col {
    flex: 1;
    padding: 0 24px;
    border-right: 1px solid #e2e8f0;
}

.nav-submenu--mega .mega-col:last-child {
    border-right: none;
}

/* Hover State */
.nav-item-has-submenu:hover .nav-submenu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* Submenu Links */
.nav-submenu-link {
    display: block;
    padding: 8px 12px;
    border-radius: 6px;
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: all 0.15s ease;
    white-space: nowrap;
}

.nav-submenu-link:hover {
    background: #f1f5f9;
    color: var(--color-text);
    transform: translateX(3px);
}

/* Group Headers */
.nav-submenu-header {
    font-family: var(--font-mono);
    font-size: 10px;
    text-transform: uppercase;
    color: var(--color-text-dim);
    letter-spacing: 0.1em;
    padding: 0 12px 6px;
    margin-bottom: 4px;
    border-bottom: 1px solid #e2e8f0;
}

/* Color-coded headers */
.nav-submenu-header--offensive {
    color: var(--color-offensive);
    border-bottom-color: rgba(153, 27, 27, 0.2);
}

.nav-submenu-header--evolve {
    color: var(--color-advisory);
    border-bottom-color: rgba(13, 148, 136, 0.2);
}

.nav-submenu-header--training {
    color: var(--color-training);
    border-bottom-color: rgba(217, 119, 6, 0.2);
}

/* Mobile: revert mega to column */
@media (max-width: 768px) {
    .nav-submenu--mega {
        flex-direction: column;
        min-width: unset;
        padding: 0;
    }

    .nav-submenu--mega .mega-col {
        padding: 0;
        border-right: none;
        border-bottom: 1px solid #f1f5f9;
        padding-bottom: 8px;
        margin-bottom: 8px;
    }

    .nav-submenu--mega .mega-col:last-child {
        border-bottom: none;
        margin-bottom: 0;
        padding-bottom: 0;
    }
}