/* =================================================================
   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: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Top Bar */
#ai_header .header-top-bar {
    padding: 0.5rem 0;
    font-size: 0.875rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

#ai_header .header-top-bar a {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    transition: color 0.3s;
}

#ai_header .header-top-bar a:hover {
    color: var(--brand-accent) !important;
}

#ai_header .header-top-bar i {
    margin-right: 0.5rem;
}

/* Main Navigation */
#ai_header .header-main-nav {
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
}

#ai_header.scrolled .header-main-nav {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

#ai_header .header-nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 5rem;
}

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

#ai_header .header-logo-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

#ai_header .header-logo-text {
    font-size: 1.5rem;
    font-weight: 700;
}

#ai_header .header-logo-subtitle {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.6;
}

/* Desktop Navigation */
#ai_header .header-nav-links {
    display: none;
    align-items: center;
    gap: 2rem;
}

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

#ai_header .header-nav-link {
    padding: 0.5rem 0;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.3s;
}

#ai_header .header-nav-link:hover {
    color: var(--brand-accent) !important;
}

/* Dropdown */
#ai_header .header-dropdown {
    position: relative;
}

#ai_header .header-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0;
    font-weight: 500;
    background: none;
    border: none;
    cursor: pointer;
    transition: color 0.3s;
}

#ai_header .header-dropdown-toggle:hover {
    color: var(--brand-accent) !important;
}

#ai_header .header-dropdown-toggle i {
    font-size: 0.75rem;
    transition: transform 0.3s;
}

#ai_header .header-dropdown:hover .header-dropdown-toggle i {
    transform: rotate(180deg);
}

#ai_header .header-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 0.5rem;
    width: 16rem;
    border-radius: 0.5rem;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(0.5rem);
    transition: all 0.2s;
}

#ai_header .header-dropdown:hover .header-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

#ai_header .header-dropdown-item {
    display: block;
    padding: 0.75rem 1rem;
    text-decoration: none;
    transition: background-color 0.3s;
}

#ai_header .header-dropdown-item:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

#ai_header .header-dropdown-icon {
    margin-right: 0.75rem;
}

#ai_header .header-dropdown-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

#ai_header .header-dropdown-subtitle {
    font-size: 0.75rem;
    opacity: 0.6;
}

/* CTA Button */
#ai_header .header-cta {
    display: none;
    align-items: center;
    gap: 1rem;
}

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

#ai_header .header-cta-btn {
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    transition: all 0.2s;
}

#ai_header .header-cta-btn:hover {
    opacity: 0.9;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    transform: translateY(-1px);
}

/* Mobile Menu Toggle */
#ai_header .header-mobile-toggle {
    display: block;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.5rem;
}

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

/* Site Button Styles - Portal Authentication */
#ai_header .site-button {
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    font-weight: 500;
    font-size: 0.875rem;
    text-decoration: none;
    display: inline-block;
    transition: all 0.2s;
    cursor: pointer;
}

#ai_header .site-button.header-signin {
    border: 1px solid var(--brand-accent);
    background: transparent;
    color: var(--brand-accent);
}

#ai_header .site-button.header-signin:hover {
    background: var(--brand-accent);
    color: var(--white);
}

#ai_header .site-button.header-subscribe {
    background: var(--brand-accent);
    color: var(--white);
    border: 1px solid var(--brand-accent);
}

#ai_header .site-button.header-subscribe:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

#ai_header .site-button.header-account {
    background: var(--brand-accent);
    color: var(--white);
    border: 1px solid var(--brand-accent);
    display: none !important; /* Hidden by default, shown when logged in */
}

/* Mobile specific button styles */
#ai_header .header-mobile-cta .site-button {
    display: block !important;
    width: 100%;
    text-align: center;
    margin-bottom: 0.5rem;
}

#ai_header .header-mobile-cta .site-button.header-account {
    display: none !important; /* Keep account button hidden on mobile too */
}

#ai_header .header-mobile-cta .site-button:last-child {
    margin-bottom: 0;
}

/* Mobile Navigation */
#ai_header .header-mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    transform: translateX(100%);
    transition: transform 0.3s;
}

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

#ai_header .header-mobile-content {
    height: 100%;
    overflow-y: auto;
    padding: 1.5rem;
}

#ai_header .header-mobile-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

#ai_header .header-mobile-close {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.5rem;
}

#ai_header .header-mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

#ai_header .header-mobile-link {
    padding: 0.75rem 0;
    font-weight: 500;
    text-decoration: none;
    display: block;
}

#ai_header .header-mobile-submenu {
    padding-left: 1rem;
    margin-top: 0.5rem;
    display: none;
}

#ai_header .header-mobile-submenu.active {
    display: block;
}

#ai_header .header-mobile-submenu-link {
    padding: 0.5rem 0;
    text-decoration: none;
    display: block;
    opacity: 0.7;
}

#ai_header .header-mobile-cta {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

#ai_header .header-mobile-cta-btn {
    display: block;
    width: 100%;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
}