/**
 * Bloom AI University - Header Component CSS
 * All navigation styles in one file. Load AFTER styles.css.
 * Generated from the tuned dummy.html inline styles.
 */

body.menu-open {
    overflow: hidden;
}

/* ============================================
   NAVIGATION - DEFENSIVE RESETS
   Protect the nav from page-level base tag rules
   (e.g., index.html sets a{color:purple}, ul{padding-left}, li{margin})
   Class-qualified selectors beat bare tag selectors.
   ============================================ */
.nav ul,
.nav ol,
.nav-mobile ul,
.nav-mobile ol {
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav li,
.nav-mobile li {
    margin-bottom: 0;
    color: inherit;
}

.nav img,
.nav svg,
.nav-mobile img,
.nav-mobile svg {
    display: inline-block;
    max-width: none;
}

/* ============================================
   NAVIGATION - MAIN STRUCTURE
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 70px;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: var(--z-fixed);
    border-bottom: 1px solid var(--light-gray);
    transition: all var(--transition-base);
    /* Lock inherited properties so pages can't affect nav spacing/text */
    font-family: var(--font-secondary);
    font-size: var(--text-base);
    font-weight: 400;
    line-height: 1.5;
    color: var(--navy);
}

.nav.scrolled,
.nav.nav-scrolled {
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    height: 70px;
}


.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

/* ============================================
   NAVIGATION - LOGO
   ============================================ */
.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    text-decoration: none;
    flex-shrink: 0;
}

.nav-logo-icon {
    width: 52px;
    height: 52px;
    transition: transform var(--transition-base);
}

.nav-logo:hover .nav-logo-icon {
    transform: scale(1.05);
}

.nav-logo-text {
    display: flex;
    flex-direction: column;
}

.nav-logo-name {
    font-family: var(--font-primary);
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--navy);
    line-height: 1.1;
}

.nav-logo-tagline {
    font-family: var(--font-secondary);
    font-size: var(--text-xs);
    color: var(--gray);
    letter-spacing: 0.5px;
}

/* ============================================
   NAVIGATION - MAIN MENU
   ============================================ */
.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--navy);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--purple);
    background: linear-gradient(to top, rgba(0, 0, 0, 0.04), rgba(255, 255, 255, 1));
}

.nav-link.active {
    color: var(--purple);
}

.nav-link-arrow {
    width: 16px;
    height: 16px;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
    transition: transform var(--transition-fast);
}

.nav-item:hover .nav-link-arrow,
.nav-item.dropdown-open .nav-link-arrow {
    transform: rotate(180deg);
}

/* Dropdown link icons should be block (overrides the defensive inline-block above) */
.dropdown-link-icon svg {
    display: block;
}

/* ============================================
   NAVIGATION - DROPDOWN BASE
   ============================================ */
.nav-dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    min-width: 320px;
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--light-gray);
    padding: 18px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    z-index: var(--z-dropdown);
}

/* Dropdown arrow pointer */
.nav-dropdown::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-bottom: 10px solid var(--white);
}

/* Invisible bridge to prevent dropdown closing on mouse movement */
.nav-item::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    height: 20px;
}

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

/* ============================================
   NAVIGATION - WIDE DROPDOWN (Learn)
   ============================================ */
.nav-dropdown.dropdown-wide {
    min-width: 580px;
    left: 0;
    transform: translateX(0) translateY(10px);
}

.nav-dropdown.dropdown-wide::before {
    left: 50px;
    transform: none;
}

.nav-item:hover .nav-dropdown.dropdown-wide {
    transform: translateX(0) translateY(0);
}

.dropdown-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-5);
}

.dropdown-column {
    min-width: 0;
}

/* ============================================
   NAVIGATION - DROPDOWN HEADER
   ============================================ */
.dropdown-header {
    padding-bottom: var(--space-2);
    margin-bottom: var(--space-2);
    border-bottom: 1px solid var(--light-gray);
}

.dropdown-title {
    font-family: var(--font-primary);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: var(--space-1);
}

.dropdown-subtitle {
    font-size: var(--text-sm);
    color: var(--gray);
    margin-bottom: 0;
}

/* ============================================
   NAVIGATION - DROPDOWN SECTIONS
   ============================================ */
.dropdown-section {
    margin-bottom: var(--space-3);
}

.dropdown-section:last-child {
    margin-bottom: 0;
}

.dropdown-section-title {
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--gray);
    margin-bottom: var(--space-2);
    padding-left: var(--space-3);
}

/* ============================================
   NAVIGATION - DROPDOWN LINKS
   ============================================ */
.dropdown-link {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    padding: 7px var(--space-3);
    margin: 0 calc(var(--space-3) * -1);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.dropdown-link:hover {
    background-color: var(--off-white);
}

.dropdown-link-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform var(--transition-fast);
}

.dropdown-link:hover .dropdown-link-icon {
    transform: scale(1.1);
}

.dropdown-link-icon svg {
    width: 17px;
    height: 17px;
}

/* Icon color variants */
.dropdown-link-icon.icon-emerald {
    background-color: rgba(0, 200, 81, 0.12);
    color: var(--emerald);
}

.dropdown-link-icon.icon-purple {
    background-color: rgba(139, 92, 246, 0.12);
    color: var(--purple);
}

.dropdown-link-icon.icon-orange {
    background-color: rgba(230, 126, 34, 0.12);
    color: var(--orange);
}

.dropdown-link-icon.icon-gold {
    background-color: rgba(255, 215, 0, 0.2);
    color: var(--orange);
}

.dropdown-link-icon.icon-navy {
    background-color: rgba(27, 58, 95, 0.1);
    color: var(--navy);
}

.dropdown-link-content {
    flex: 1;
    min-width: 0;
}

.dropdown-link-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 2px;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.dropdown-link-title .badge {
    padding: 2px 8px;
    font-size: 10px;
}

.dropdown-link-desc {
    font-size: 0.8rem;
    color: var(--gray);
    line-height: 1.35;
    margin-bottom: 0;
}

/* ============================================
   NAVIGATION - DROPDOWN DIVIDER & FOOTER
   ============================================ */
.dropdown-divider {
    height: 1px;
    background-color: var(--light-gray);
    margin: var(--space-4) 0;
}

.dropdown-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-2);
    margin: var(--space-3) calc(var(--space-3) * -1) calc(var(--space-3) * -1);
    background: linear-gradient(135deg, rgba(0, 200, 81, 0.06), rgba(139, 92, 246, 0.06));
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--purple);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.dropdown-cta:hover {
    background: linear-gradient(135deg, rgba(0, 200, 81, 0.12), rgba(139, 92, 246, 0.12));
}

.dropdown-cta svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.dropdown-cta:hover svg {
    transform: translateX(4px);
}

/* ============================================
   NAVIGATION - CTA BUTTON
   ============================================ */
.nav-cta {
    margin-left: var(--space-4);
}

.nav-cta .btn {
    padding: var(--space-2) var(--space-5);
    font-size: var(--text-sm);
}

/* Protect Apply Now from page-level .btn-primary color overrides */
.nav-cta .btn-primary {
    background-color: var(--navy);
    border-color: var(--navy);
    color: var(--white);
}

.nav-cta .btn-primary:hover {
    background-color: var(--navy-dark, #142d4a);
    border-color: var(--navy-dark, #142d4a);
}

/* ============================================
   NAVIGATION - MOBILE TOGGLE
   ============================================ */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    padding: 0;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: calc(var(--z-fixed) + 1);
}

.nav-toggle-bar {
    width: 24px;
    height: 2px;
    background-color: var(--navy);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.nav-toggle-bar:nth-child(1) {
    margin-bottom: 6px;
}

.nav-toggle-bar:nth-child(3) {
    margin-top: 6px;
}

/* Toggle active state (hamburger to X) */
.nav-toggle.active .nav-toggle-bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

.nav-toggle.active .nav-toggle-bar:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active .nav-toggle-bar:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

/* ============================================
   NAVIGATION - MOBILE PANEL
   ============================================ */
.nav-mobile {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--white);
    z-index: 999;
    padding: var(--space-6);
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform var(--transition-base);
    /* Lock inherited properties (same as .nav) */
    font-family: var(--font-secondary);
    font-size: var(--text-base);
    font-weight: 400;
    line-height: 1.5;
    color: var(--navy);
}

.nav-mobile.active {
    transform: translateX(0);
}

.nav-mobile-section {
    border-bottom: 1px solid var(--light-gray);
}

.nav-mobile-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4) 0;
    font-weight: 600;
    color: var(--navy);
    cursor: pointer;
}

.nav-mobile-title svg {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-fast);
}

.nav-mobile-title.active svg {
    transform: rotate(180deg);
}

.nav-mobile-links {
    display: none;
    padding-bottom: var(--space-4);
}

.nav-mobile-links.active {
    display: block;
}

.nav-mobile-link {
    display: block;
    padding: var(--space-3) var(--space-4);
    color: var(--gray);
    font-size: var(--text-base);
}

.nav-mobile-link:hover {
    color: var(--navy);
    background: var(--off-white);
}

.nav-mobile-cta {
    padding-top: var(--space-4);
}

.nav-mobile-cta .btn {
    width: 100%;
}

/* ============================================
   RESPONSIVE - TABLET (1024px)
   ============================================ */
@media (max-width: 1024px) {
    .nav {
        height: 70px;
    }

    .nav-container {
        height: 70px;
        padding: 0 1.25rem;
    }

    .nav-menu {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-mobile .cultivate-badge-mobile {
        display: flex;
    }

    .nav-item {
        border-bottom: 1px solid var(--light-gray);
    }

    .nav-item::after {
        display: none;
    }

    .nav-link {
        padding: var(--space-4) 0;
        font-size: var(--text-base);
        justify-content: space-between;
        border-radius: 0;
    }

    .nav-link:hover {
        background: transparent;
    }

    /* Mobile Dropdown */
    .nav-dropdown {
        position: static;
        transform: none;
        min-width: auto;
        box-shadow: none;
        border: none;
        border-radius: 0;
        padding: 0 0 var(--space-4) var(--space-4);
        max-height: 0;
        overflow: hidden;
        opacity: 1;
        visibility: visible;
        transition: max-height var(--transition-base);
    }

    .nav-dropdown::before {
        display: none;
    }

    .nav-dropdown.dropdown-wide {
        min-width: auto;
    }

    .nav-item.dropdown-open .nav-dropdown {
        max-height: 1000px;
        padding-top: var(--space-2);
    }

    .dropdown-columns {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .dropdown-header {
        display: none;
    }

    .nav-item:hover .nav-dropdown {
        transform: none;
    }

    .nav-item:hover .nav-link-arrow {
        transform: none;
    }

    .nav-item.dropdown-open .nav-link-arrow {
        transform: rotate(180deg);
    }

    .nav-cta {
        display: none;
    }
}

/* ============================================
   CULTIVATE BADGE - MOBILE HEADER
   (Visible in top bar on mobile, hidden on desktop)
   ============================================ */
.cultivate-badge-header-mobile {
    display: none;
    align-items: center;
    gap: 6px;
    height: 40px;
    padding: 0 12px;
    background: linear-gradient(135deg, rgba(27, 58, 95, 0.05), rgba(139, 92, 246, 0.08));
    border: 1px solid rgba(27, 58, 95, 0.15);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: all var(--transition-fast);
    box-sizing: border-box;
}

.cultivate-badge-header-mobile-icon {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
}

.cultivate-badge-header-mobile-text {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.cultivate-badge-header-mobile-name {
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 0.8rem;
    color: var(--navy);
}

.cultivate-badge-header-mobile-name sup {
    font-size: 0.5rem;
    color: var(--purple);
    margin-left: 1px;
}

.cultivate-badge-header-mobile-sub {
    font-size: 0.55rem;
    color: var(--gray);
    letter-spacing: 0.3px;
}

@media (max-width: 1024px) {
    .cultivate-badge-header-mobile {
        display: flex !important;
        margin-left: auto;
        margin-right: 8px;
        height: 40px;
    }

    /* Hide cultivate from inside hamburger menu */
    .cultivate-badge-mobile {
        display: none !important;
    }

    /* Shrink logo to make room */
    .nav-logo-icon {
        width: 40px;
        height: 40px;
    }

    .nav-logo-name {
        font-size: 1rem;
    }

    .nav-logo-tagline {
        font-size: 0.6rem;
    }
}

/* ============================================
   RESPONSIVE - MOBILE (768px)
   ============================================ */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 1rem;
    }

    .nav-logo-icon {
        width: 36px;
        height: 36px;
    }

    .nav-logo-name {
        font-size: 0.9rem;
    }

    .nav-logo-tagline {
        font-size: 0.55rem;
    }

    .cultivate-badge-header-mobile {
        height: 36px;
        padding: 0 10px;
    }

    .cultivate-badge-header-mobile-icon {
        width: 20px;
        height: 20px;
    }

    .cultivate-badge-header-mobile-name {
        font-size: 0.7rem;
    }

    .cultivate-badge-header-mobile-sub {
        display: none;
    }
}

/* ============================================
   RESPONSIVE - SMALL MOBILE (480px)
   ============================================ */
@media (max-width: 480px) {
    .nav-container {
        padding: 0 0.75rem;
    }

    .nav-logo-icon {
        width: 32px;
        height: 32px;
    }

    .nav-logo-name {
        font-size: 0.8rem;
    }

    .nav-logo-tagline {
        font-size: 0.5rem;
    }

    .cultivate-badge-header-mobile {
        height: 32px;
        padding: 0 8px;
        gap: 4px;
    }

    .cultivate-badge-header-mobile-icon {
        width: 18px;
        height: 18px;
    }

    .cultivate-badge-header-mobile-name {
        font-size: 0.65rem;
    }
}