/* =================================================================
   HEADER STYLES - Scoped to #ai_header
   ================================================================= */

#ai_header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    transition: all 0.3s;
    font-family: var(--font-family);
    background: rgba(255, 255, 255, 0);
    backdrop-filter: blur(10px);
}

#ai_header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 10px rgba(71, 94, 145, 0.1);
    border-bottom: 1px solid rgba(71, 94, 145, 0.1);
}

#ai_header.header-hidden {
    transform: translateY(-100%);
}

/* Container */
#ai_header .header-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Main Navigation Bar */
#ai_header .header-nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

/* Logo Section */
#ai_header .header-logo-wrapper {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

#ai_header .site-logo {
    width: 48px;
    height: 48px;
    object-fit: contain;
    transition: transform 0.3s;
    border-radius: 12px;
    box-shadow: 0 0 20px rgba(55, 163, 161, 0.3), 0 4px 12px rgba(0, 0, 0, 0.1);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 2px;
}

#ai_header .header-logo-wrapper:hover .site-logo {
    transform: scale(1.05);
}

#ai_header .header-logo-text {
    display: flex;
    flex-direction: column;
}

#ai_header .site-title {
    font-size: var(--text-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--brand-primary);
    line-height: 1.2;
    white-space: nowrap;
}

#ai_header .header-logo-tagline {
    font-size: var(--text-xs);
    color: var(--brand-neutral);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

@media (max-width: 768px) {
    #ai_header .header-logo-tagline {
        display: none; /* Hide tagline on mobile if needed */
    }
}

/* Desktop Navigation */
#ai_header .header-nav {
    display: none;
    align-items: center;
    gap: 2.5rem;
}

@media (min-width: 1024px) {
    #ai_header .header-nav {
        display: flex;
    }
}

#ai_header .site-navigation-1 {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

@media (max-width: 1200px) {
    #ai_header .site-navigation-1 {
        gap: 1rem;
    }
}

#ai_header .nav-item {
    position: relative;
}

#ai_header .nav-link {
    padding: 0.5rem 0;
    font-weight: var(--font-weight-medium);
    color: var(--brand-dark);
    text-decoration: none;
    transition: all 0.3s;
    position: relative;
    white-space: nowrap;
}

#ai_header .nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--brand-accent);
    transition: width 0.3s;
}

#ai_header .nav-link:hover::after {
    width: 100%;
}

#ai_header .nav-link:hover {
    color: var(--brand-primary);
}

/* Services Simple Dropdown */
#ai_header .nav-item-services {
    position: relative;
}

#ai_header .services-dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    margin-top: 0.5rem;
    min-width: 260px;
    background: white;
    border-radius: 0.75rem;
    box-shadow: 0 20px 60px rgba(44, 10, 113, 0.18);
    padding: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 60;
}

#ai_header .nav-item-services:hover .services-dropdown,
#ai_header .nav-item-services:focus-within .services-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

#ai_header .services-dropdown-item {
    display: block;
    padding: 0.65rem 1rem;
    color: var(--brand-dark);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    border-radius: 0.5rem;
    transition: all 0.25s;
    white-space: nowrap;
}

#ai_header .services-dropdown-item:hover {
    background: var(--brand-light);
    color: var(--brand-primary);
    transform: translateX(4px);
}

#ai_header .nav-item-services .dropdown-arrow {
    margin-left: 0.35rem;
    font-size: 0.7rem;
    transition: transform 0.3s;
}

#ai_header .nav-item-services:hover .dropdown-arrow {
    transform: rotate(180deg);
}

@media (max-width: 768px) {
    #ai_header .services-dropdown {
        display: none;
    }
}

/* Mega Dropdown Menu */
#ai_header .dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    margin-top: 0.75rem;
    width: 900px;
    max-width: 90vw;
    background: white;
    border-radius: 1rem;
    box-shadow: 0 20px 60px rgba(44, 10, 113, 0.2);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

/* Adjust Services dropdown to shift right to avoid left edge cutoff */
#ai_header .nav-item:nth-child(2) .dropdown-menu {
    transform: translateX(-35%) translateY(-10px);
}

#ai_header .nav-item:nth-child(2):hover .dropdown-menu {
    transform: translateX(-35%) translateY(0);
}

/* Adjust Resources dropdown to shift left to avoid right edge cutoff */
#ai_header .nav-item:nth-child(6) .dropdown-menu {
    transform: translateX(-65%) translateY(-10px);
}

#ai_header .nav-item:nth-child(6):hover .dropdown-menu {
    transform: translateX(-65%) translateY(0);
}

#ai_header .nav-item:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

#ai_header .dropdown-arrow {
    margin-left: 0.25rem;
    font-size: var(--text-xs);
    transition: transform 0.3s;
}

#ai_header .nav-item:hover .dropdown-arrow {
    transform: rotate(180deg);
}

/* Mega Menu Grid Layout */
#ai_header .mega-menu-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1.2fr;
    min-height: auto;
}

/* Service Columns */
#ai_header .mega-menu-services {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-column: span 2;
    padding: 2rem;
    padding-bottom: 0;
    gap: 0.5rem;
}

#ai_header .mega-menu-item {
    display: flex;
    align-items: flex-start;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
}

#ai_header .mega-menu-item:hover {
    background: var(--brand-light);
    transform: translateX(5px);
}

#ai_header .mega-menu-item-disabled {
    cursor: not-allowed;
    opacity: 0.6;
    pointer-events: none;
}

#ai_header .mega-menu-item-disabled:hover {
    background: transparent;
    transform: none;
}

#ai_header .coming-soon-badge {
    display: inline-block;
    margin-left: 0.5rem;
    padding: 0.125rem 0.5rem;
    background: var(--brand-accent);
    color: var(--brand-dark);
    font-size: 0.625rem;
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 0.25rem;
    vertical-align: middle;
}

#ai_header .mega-menu-item-icon {
    width: 40px;
    height: 40px;
    background: var(--brand-light);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-primary);
    margin-right: 1rem;
    flex-shrink: 0;
    transition: all 0.3s;
}

#ai_header .mega-menu-item:hover .mega-menu-item-icon {
    background: var(--brand-primary);
    color: white;
}

#ai_header .mega-menu-item-content {
    flex: 1;
}

#ai_header .mega-menu-item-title {
    font-size: var(--text-base);
    font-weight: var(--font-weight-semibold);
    color: var(--brand-dark);
    margin-bottom: 0.25rem;
    display: block;
}

#ai_header .mega-menu-item-desc {
    font-size: var(--text-xs);
    color: var(--brand-neutral);
    line-height: 1.4;
    display: block;
}

/* Image Column */
#ai_header .mega-menu-image {
    position: relative;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-top-right-radius: 1rem;
    border-bottom-right-radius: 1rem;
    min-height: 400px;
}

#ai_header .mega-menu-image-container {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

#ai_header .mega-menu-image-item {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
}

#ai_header .mega-menu-image-item.active {
    opacity: 1;
}

#ai_header .mega-menu-image-item img {
    max-width: 200px;
    height: auto;
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 10px 20px rgba(0,0,0,0.1));
}

#ai_header .mega-menu-image-title {
    font-size: var(--text-xl);
    font-weight: var(--font-weight-bold);
    color: white;
    margin-bottom: 0.5rem;
}

#ai_header .mega-menu-image-text {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.4;
}

/* View All Link */
#ai_header .mega-menu-footer {
    grid-column: span 2;
    padding: 1rem 2rem;
    background: var(--brand-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 1rem;
    border-bottom-left-radius: 1rem;
}

#ai_header .mega-menu-view-all {
    color: var(--brand-primary);
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: gap 0.3s;
}

#ai_header .mega-menu-view-all:hover {
    gap: 0.75rem;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    #ai_header .dropdown-menu {
        display: none;
    }
}

/* Header Actions */
#ai_header .header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Search Button */
#ai_header .header-search-btn {
    width: 40px;
    height: 40px;
    border-radius: 0.5rem;
    background: transparent;
    border: 1px solid var(--light-grey);
    display: none;
    align-items: center;
    justify-content: center;
    color: var(--brand-primary);
    cursor: pointer;
    transition: all 0.3s;
}

@media (min-width: 768px) {
    #ai_header .header-search-btn {
        display: flex;
    }
}

@media (max-width: 1100px) {
    #ai_header .header-search-btn {
        display: none;
    }
    #ai_header .header-actions {
        gap: 0.5rem;
    }
    #ai_header .header-signin,
    #ai_header .header-subscribe,
    #ai_header .header-cta-btn {
        padding: 0.5rem 1rem;
        font-size: var(--text-sm);
    }
}

@media (max-width: 960px) {
    #ai_header .header-signin {
        display: none !important;
    }
}

#ai_header .header-search-btn:hover {
    background: var(--brand-primary);
    color: white;
    border-color: var(--brand-primary);
}

/* CTA Button */
#ai_header .header-cta-btn {
    padding: 0.5rem 1rem;
    background: var(--brand-accent);
    color: var(--brand-dark);
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    border-radius: 0.5rem;
    transition: all 0.3s;
    display: none;
    border: 2px solid var(--brand-accent);
}

@media (min-width: 640px) {
    #ai_header .header-cta-btn {
        display: inline-block;
    }
}

#ai_header .header-cta-btn:hover {
    background: var(--brand-accent);
    color: var(--brand-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 210, 31, 0.3);
    text-decoration: none !important;
    opacity: 0.9;
}

/* Prevent underlines on all button hover states */
#ai_header .header-signin:hover,
#ai_header .header-subscribe:hover,
#ai_header .header-cta-btn:hover {
    text-decoration: none !important;
}

/* Prevent button text wrapping */
#ai_header .header-signin,
#ai_header .header-subscribe,
#ai_header .header-cta-btn {
    white-space: nowrap;
    min-width: fit-content;
}

/* Portal Buttons */
#ai_header .header-signin {
    display: inline-block;
    padding: 0.5rem 1rem;
    color: var(--brand-primary);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
    transition: all 0.3s;
    border: 2px solid var(--brand-primary);
    border-radius: 0.5rem;
    background: transparent;
}

#ai_header .header-signin:hover {
    background: var(--brand-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(71, 94, 145, 0.2);
}

#ai_header .header-subscribe {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--brand-accent);
    color: var(--brand-dark);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
    border-radius: 0.5rem;
    transition: all 0.3s;
    margin-left: 0.75rem;
    border: 2px solid var(--brand-accent);
}

#ai_header .header-subscribe:hover {
    background: var(--brand-accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 210, 31, 0.3);
}

#ai_header .header-account {
    display: none !important;
}

/* Mobile Menu Toggle */
#ai_header .mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

@media (min-width: 1024px) {
    #ai_header .mobile-menu-toggle {
        display: none;
    }
}

#ai_header .mobile-menu-bar {
    width: 24px;
    height: 2px;
    background: var(--brand-primary);
    transition: all 0.3s;
    margin: 0 auto;
}

#ai_header .mobile-menu-toggle.active .mobile-menu-bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

#ai_header .mobile-menu-toggle.active .mobile-menu-bar:nth-child(2) {
    opacity: 0;
}

#ai_header .mobile-menu-toggle.active .mobile-menu-bar:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
#ai_header .mobile-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    height: calc(100vh - 80px);
    background: white;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    z-index: 999;
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
    display: none;
}

@media (max-width: 1024px) {
    #ai_header .mobile-menu {
        display: block;
    }
}

@media (max-width: 768px) {
    #ai_header .mobile-menu {
        top: 60px;
        height: calc(100vh - 60px);
    }
}

#ai_header .mobile-menu.active {
    transform: translateX(0);
}

#ai_header .mobile-menu-nav {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
}

#ai_header .mobile-menu-item {
    position: relative;
    margin: 0;
    display: block;
    width: 100%;
    opacity: 0;
    animation: fadeInUp 0.5s ease-out forwards;
}

#ai_header .mobile-menu.active .mobile-menu-item:nth-child(1) { animation-delay: 0.1s; }
#ai_header .mobile-menu.active .mobile-menu-item:nth-child(2) { animation-delay: 0.15s; }
#ai_header .mobile-menu.active .mobile-menu-item:nth-child(3) { animation-delay: 0.2s; }
#ai_header .mobile-menu.active .mobile-menu-item:nth-child(4) { animation-delay: 0.25s; }
#ai_header .mobile-menu.active .mobile-menu-item:nth-child(5) { animation-delay: 0.3s; }
#ai_header .mobile-menu.active .mobile-menu-item:nth-child(6) { animation-delay: 0.35s; }
#ai_header .mobile-menu.active .mobile-menu-item:nth-child(6) { animation-delay: 0.35s; }

#ai_header .mobile-menu-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    color: var(--brand-dark);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    font-size: var(--text-base);
    transition: all 0.3s;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
}

#ai_header .mobile-menu-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--brand-accent);
    transform: scaleY(0);
    transition: transform 0.3s;
}

#ai_header .mobile-menu-link:hover,
#ai_header .mobile-menu-link:focus {
    background: linear-gradient(90deg, rgba(71, 94, 145, 0.05) 0%, transparent 100%);
    padding-left: 2rem;
    color: var(--brand-primary);
}

#ai_header .mobile-menu-link:hover::before {
    transform: scaleY(1);
}

#ai_header .mobile-menu-link.has-submenu::after {
    content: '\f107';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: var(--brand-neutral);
    transition: transform 0.3s;
    font-size: var(--text-sm);
}

#ai_header .mobile-menu-link.has-submenu.expanded::after {
    transform: rotate(180deg);
}

#ai_header .mobile-submenu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--brand-light);
    display: flex;
    flex-direction: column;
    width: 100%;
}

#ai_header .mobile-submenu.expanded {
    max-height: 500px;
}

#ai_header .mobile-submenu-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    color: var(--brand-neutral);
    text-decoration: none;
    font-size: var(--text-sm);
    transition: all 0.3s;
    border-left: 3px solid transparent;
    width: 100%;
}

#ai_header .mobile-submenu-icon {
    width: 32px;
    height: 32px;
    background: white;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-primary);
    font-size: var(--text-base);
    transition: all 0.3s;
}

#ai_header .mobile-submenu-item:hover,
#ai_header .mobile-submenu-item:focus {
    background: rgba(255, 255, 255, 0.5);
    color: var(--brand-primary);
    border-left-color: var(--brand-accent);
    padding-left: 2.25rem;
}

#ai_header .mobile-submenu-item:hover .mobile-submenu-icon {
    background: var(--brand-primary);
    color: white;
    transform: scale(1.1);
}

#ai_header .mobile-submenu-item-disabled {
    cursor: not-allowed;
    opacity: 0.6;
    pointer-events: none;
}

#ai_header .mobile-submenu-item-disabled:hover {
    background: transparent;
    color: var(--brand-neutral);
    border-left-color: transparent;
    padding-left: 2rem;
}

#ai_header .mobile-submenu-item-disabled:hover .mobile-submenu-icon {
    background: white;
    color: var(--brand-primary);
    transform: none;
}

#ai_header .coming-soon-badge-mobile {
    display: inline-block;
    margin-left: 0.5rem;
    padding: 0.125rem 0.375rem;
    background: var(--brand-accent);
    color: var(--brand-dark);
    font-size: 0.5rem;
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 0.25rem;
    vertical-align: middle;
}

#ai_header .mobile-menu-cta {
    padding: 2rem 1.5rem;
    background: linear-gradient(180deg, transparent 0%, var(--brand-light) 100%);
    margin-top: auto;
}

#ai_header .mobile-cta-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: var(--brand-accent);
    color: var(--brand-dark);
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    border-radius: 0.75rem;
    width: 100%;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(255, 210, 31, 0.2);
}

#ai_header .mobile-cta-button:hover {
    background: var(--brand-accent);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 210, 31, 0.3);
}

#ai_header .mobile-contact-info {
    padding: 1.5rem;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    background: var(--brand-light);
}

#ai_header .mobile-contact-title {
    font-size: var(--text-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--brand-neutral);
    margin-bottom: 0.75rem;
}

#ai_header .mobile-contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: var(--brand-dark);
    font-size: var(--text-sm);
}

#ai_header .mobile-contact-icon {
    width: 20px;
    color: var(--brand-primary);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}


/* Transparent Header State */
#ai_header.transparent {
    background: transparent;
}

#ai_header.transparent .nav-link {
    color: white;
}

#ai_header.transparent .site-title {
    color: white;
}

#ai_header.transparent .header-logo-tagline {
    color: rgba(255, 255, 255, 0.8);
}

#ai_header.transparent .mobile-menu-bar {
    background: white;
}

/* Fix Sign-in Button Visibility on Transparent Header */
#ai_header.transparent .header-signin {
    color: white;
    border-color: white;
}

#ai_header.transparent .header-signin:hover {
    background: white;
    color: var(--brand-primary);
}

#ai_header.transparent .header-subscribe {
    background: var(--brand-accent);
    color: var(--brand-dark);
    border-color: var(--brand-accent);
}

#ai_header.transparent .header-cta-btn {
    background: var(--brand-accent);
    color: var(--brand-dark);
    border-color: var(--brand-accent);
}