/* =================================================================
   Phase 3: Mega Menu Navigation
   Enhanced navigation with service previews and featured content
   ================================================================= */

/* ===== MEGA MENU CONTAINER ===== */

.mega-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border-top: 3px solid var(--accent-primary);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-20px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
}

.nav-item:hover .mega-menu,
.mega-menu:hover {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mega-menu-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

/* ===== MEGA MENU GRID ===== */

.mega-menu-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
}

/* ===== SERVICES PREVIEW ===== */

.services-preview {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.mega-service-card {
    background: var(--card-bg);
    border: 2px solid var(--border-primary);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.mega-service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.mega-service-card:hover::before {
    transform: scaleX(1);
}

.mega-service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
    border-color: var(--accent-primary);
}

.mega-service-card.strategy::before {
    background: var(--strategy-accent);
}

.mega-service-card.platform::before {
    background: var(--platform-accent);
}

.mega-service-card.security::before {
    background: var(--security-accent);
}

.mega-service-icon {
    width: 56px;
    height: 56px;
    background: var(--bg-secondary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
}

.mega-service-icon i {
    font-size: 28px;
    color: var(--accent-primary);
}

.mega-service-card.strategy .mega-service-icon i {
    color: var(--strategy-accent);
}

.mega-service-card.platform .mega-service-icon i {
    color: var(--platform-accent);
}

.mega-service-card.security .mega-service-icon i {
    color: var(--security-accent);
}

.mega-service-card:hover .mega-service-icon {
    transform: scale(1.1) rotate(5deg);
}

.mega-service-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.mega-service-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.mega-service-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--accent-primary);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    transition: gap 0.3s ease;
}

.mega-service-link:hover {
    gap: 10px;
}

.mega-service-link i {
    font-size: 14px;
}

/* ===== FEATURED CONTENT SIDEBAR ===== */

.featured-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.featured-section {
    background: var(--card-bg);
    border: 2px solid var(--border-primary);
    border-radius: 16px;
    padding: 2rem;
}

.featured-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.featured-title i {
    color: var(--accent-primary);
}

/* Featured Project */
.featured-project {
    background: var(--bg-secondary);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.featured-project:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.featured-image {
    width: 100%;
    height: 150px;
    background: linear-gradient(135deg, var(--strategy-bg), var(--platform-bg));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.featured-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--accent-primary);
    color: white;
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.featured-info {
    padding: 1.25rem;
}

.featured-project-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.featured-project-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Quick Links */
.quick-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.quick-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.quick-link:hover {
    background: var(--accent-primary);
    color: white;
    transform: translateX(8px);
}

.quick-link i {
    font-size: 18px;
    width: 24px;
    text-align: center;
}

/* CTA Section */
.mega-cta {
    background: var(--gradient-primary);
    color: white;
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
}

.mega-cta-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.mega-cta-text {
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    opacity: 0.95;
}

.mega-cta-btn {
    background: white;
    color: var(--accent-primary);
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.mega-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

/* ===== CERTIFICATIONS MEGA MENU ===== */

.certifications-showcase {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.cert-preview {
    background: var(--card-bg);
    border: 2px solid var(--border-primary);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.cert-preview:hover {
    transform: translateY(-8px);
    border-color: var(--accent-primary);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.cert-badge {
    width: 80px;
    height: 80px;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cert-badge img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.cert-preview:hover .cert-badge img {
    transform: scale(1.1) rotate(5deg);
}

.cert-name {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.cert-issuer {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.cert-preview.elite {
    background: linear-gradient(135deg, var(--card-bg), var(--platform-bg));
    border-color: var(--platform-accent);
}

.cert-preview.elite .cert-badge::after {
    content: '★';
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--platform-accent);
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}

/* ===== PORTFOLIO MEGA MENU ===== */

.portfolio-preview {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.portfolio-mini-card {
    background: var(--card-bg);
    border: 2px solid var(--border-primary);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
}

.portfolio-mini-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-primary);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.portfolio-mini-image {
    width: 100%;
    height: 120px;
    background: linear-gradient(135deg, var(--strategy-bg), var(--platform-bg));
    position: relative;
    overflow: hidden;
}

.portfolio-mini-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.portfolio-mini-card:hover .portfolio-mini-image img {
    transform: scale(1.1);
}

.portfolio-mini-content {
    padding: 1.25rem;
}

.portfolio-mini-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.portfolio-mini-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.mini-tag {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    padding: 4px 10px;
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* ===== RESPONSIVE DESIGN ===== */

@media (max-width: 1200px) {
    .mega-menu-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .services-preview {
        grid-template-columns: repeat(2, 1fr);
    }

    .certifications-showcase {
        grid-template-columns: repeat(4, 1fr);
    }

    .portfolio-preview {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .mega-menu {
        display: none;
    }

    .services-preview {
        grid-template-columns: 1fr;
    }

    .certifications-showcase {
        grid-template-columns: repeat(2, 1fr);
    }

    .portfolio-preview {
        grid-template-columns: 1fr;
    }
}

/* ===== NAVIGATION HOVER EFFECT ===== */

.nav-item {
    position: relative;
}

.nav-item.has-mega::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    margin-left: 6px;
    font-size: 12px;
    transition: transform 0.3s ease;
}

.nav-item.has-mega:hover::after {
    transform: rotate(180deg);
}

/* ===== DARK THEME ADJUSTMENTS ===== */

[data-theme="dark"] .mega-menu {
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(20px);
}

[data-theme="dark"] .mega-service-card {
    background: rgba(30, 41, 59, 0.6);
    border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .mega-service-icon {
    background: rgba(15, 23, 42, 0.8);
}

[data-theme="dark"] .featured-section {
    background: rgba(30, 41, 59, 0.6);
    border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .featured-project {
    background: rgba(15, 23, 42, 0.8);
}

[data-theme="dark"] .quick-link {
    background: rgba(15, 23, 42, 0.8);
}

[data-theme="dark"] .cert-preview {
    background: rgba(30, 41, 59, 0.6);
    border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .portfolio-mini-card {
    background: rgba(30, 41, 59, 0.6);
    border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .mini-tag {
    background: rgba(15, 23, 42, 0.8);
}