/* ============================================
   SEOSyed - Mega Menu Styles
   ============================================ */

/* --- Mega Menu Container --- */
.header-nav > li {
    position: relative;
}

.header-nav > li > .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--bg-card);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    box-shadow: var(--shadow-xl);
    border: var(--border-light);
    border-top: 3px solid var(--color-primary);
    padding: var(--space-md) 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-base);
    z-index: var(--z-dropdown);
}

.header-nav > li:hover > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.header-nav .sub-menu li a {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-xl);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.header-nav .sub-menu li a:hover {
    background: rgba(46,134,193,0.05);
    color: var(--color-primary);
    padding-left: calc(var(--space-xl) + 4px);
}

/* --- Mega Menu Dropdown --- */
.mega-menu-dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    width: 1000px;
    max-width: calc(100vw - 40px);
    background: var(--bg-card);
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
    border: var(--border-light);
    border-top: 3px solid var(--color-primary);
    padding: var(--space-2xl);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: var(--z-dropdown);
}

.header-nav > li.mega-menu-item:hover > .mega-menu-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* Mega Menu Grid */
.mega-menu-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

.mega-menu-grid--3col {
    grid-template-columns: repeat(3, 1fr);
}

.mega-menu-grid--2col {
    grid-template-columns: repeat(2, 1fr);
}

/* Mega Menu Column */
.mega-menu-column h4 {
    font-size: var(--text-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid rgba(46,134,193,0.15);
}

.mega-menu-column ul {
    list-style: none;
    padding: 0;
}

.mega-menu-column ul li {
    margin-bottom: 2px;
}

.mega-menu-column ul li a {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.mega-menu-column ul li a:hover {
    background: rgba(46,134,193,0.06);
    color: var(--color-primary);
}

.mega-menu-column ul li a .menu-icon {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(46,134,193,0.08);
    color: var(--color-primary);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    flex-shrink: 0;
    transition: all var(--transition-fast);
}

.mega-menu-column ul li a:hover .menu-icon {
    background: var(--color-primary);
    color: var(--text-white);
}

.mega-menu-column ul li a .menu-desc {
    font-size: var(--text-xs);
    color: var(--text-muted);
    display: block;
    margin-top: 2px;
}

/* Mega Menu Featured / CTA */
.mega-menu-featured {
    background: var(--gradient-card);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.mega-menu-featured h4 {
    font-size: var(--text-lg);
    color: var(--text-primary);
    border: none;
    padding-bottom: 0;
    text-transform: none;
    letter-spacing: 0;
    margin-bottom: var(--space-sm);
}

.mega-menu-featured p {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

.mega-menu-featured .btn {
    align-self: flex-start;
}

/* Mega Menu Footer */
.mega-menu-footer {
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.mega-menu-footer a {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
}

.mega-menu-footer a:hover {
    gap: var(--space-sm);
}

/* --- Mobile Mega Menu --- */
@media (max-width: 1024px) {
    .mega-menu-dropdown {
        position: static;
        transform: none;
        width: 100%;
        max-width: 100%;
        box-shadow: none;
        border: none;
        border-top: none;
        border-radius: 0;
        padding: var(--space-md);
        display: none;
    }

    .header-nav > li.mega-menu-item.mobile-open > .mega-menu-dropdown {
        display: block;
        opacity: 1;
        visibility: visible;
    }

    .mega-menu-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    .mega-menu-featured {
        display: none;
    }

    .mega-menu-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }

    .header-nav > li > .sub-menu {
        position: static;
        box-shadow: none;
        border: none;
        border-top: none;
        border-radius: 0;
        transform: none;
        display: none;
        padding: 0 0 0 var(--space-lg);
    }

    .header-nav > li.mobile-open > .sub-menu {
        display: block;
        opacity: 1;
        visibility: visible;
    }
}