/* ==========================================================================
   InfyPress V2 — Navigation
   Sticky navbar, dropdown, mobile menu, dark mode toggle
   ========================================================================== */

/* ==========================================================================
   1. NAVBAR
   ========================================================================== */

.navbar {
    position: sticky;
    top: 0;
    background: var(--navbar-bg);
    backdrop-filter: blur(var(--blur-md));
    -webkit-backdrop-filter: blur(var(--blur-md));
    border-bottom: 1px solid var(--navbar-border);
    z-index: var(--z-header);
    padding: var(--space-4) 0;
}

.nav-brand {
    font-weight: 700;
    font-size: var(--text-lg);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    letter-spacing: var(--tracking-tight);
    color: var(--text-primary);
}

.nav-logo {
    width: var(--space-7);
    height: var(--space-7);
}

.nav-links {
    display: flex;
    gap: var(--space-8);
    align-items: center;
}

.nav-links a {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition-base);
}

.nav-links a:hover {
    color: var(--text-primary);
}

/* ==========================================================================
   2. DROPDOWN
   ========================================================================== */

.nav-dropdown {
    position: relative;
}

.nav-dropdown-trigger {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition-base);
    display: flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    background: none;
    border: none;
    font-family: inherit;
    padding: 0;
}

.nav-dropdown-trigger:hover {
    color: var(--text-primary);
}

.nav-dropdown-trigger .material-symbols-outlined {
    font-size: var(--icon-lg);
    transition: transform var(--transition-base);
}

.nav-dropdown-menu {
    position: absolute;
    top: calc(100% + 12px);
    left: -16px;
    background: var(--bg-base);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--space-2);
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition: all var(--transition-base);
}

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

.nav-dropdown:hover .nav-dropdown-trigger .material-symbols-outlined {
    transform: rotate(180deg);
}

.nav-dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.nav-dropdown-item:hover {
    background: var(--bg-surface);
    color: var(--text-primary);
}

.nav-dropdown-item .material-symbols-outlined {
    font-size: var(--icon-xl);
}

/* ==========================================================================
   2B. MEGA MENU
   ========================================================================== */

.nav-mega {
    position: static;
}

.nav-mega .mega-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-base);
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
    box-shadow: var(--shadow-lg);
    padding: var(--space-6) 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition: all var(--transition-base);
}

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

.nav-mega:hover .nav-dropdown-trigger .material-symbols-outlined {
    transform: rotate(180deg);
}

.mega-menu-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.mega-menu-header {
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--border-light);
}

.mega-menu-header h3 {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--space-1);
}

.mega-menu-header p {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    margin: 0;
}

.mega-menu-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2);
}

.mega-menu-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}

.mega-menu-item:hover {
    background: var(--bg-surface);
}

.mega-menu-icon {
    width: var(--size-10);
    height: var(--size-10);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-surface);
    flex-shrink: 0;
}

.mega-menu-icon .material-symbols-outlined {
    font-size: var(--icon-xl);
    color: var(--text-primary);
}

.mega-menu-content {
    display: flex;
    flex-direction: column;
}

.mega-menu-title {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.mega-menu-desc {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
}

/* ==========================================================================
   3. DARK MODE TOGGLE
   ========================================================================== */

.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--space-9);
    height: var(--space-9);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: all var(--transition-base);
    cursor: pointer;
    background: none;
    border: 1px solid transparent;
}

.theme-toggle:hover {
    color: var(--text-primary);
    background: var(--bg-surface);
    border-color: var(--border-light);
}

.theme-toggle .material-symbols-outlined {
    font-size: var(--icon-xl);
}

/* Show correct icon per theme */
.theme-toggle .icon-light { display: block; }
.theme-toggle .icon-dark { display: none; }

[data-theme="dark"] .theme-toggle .icon-light { display: none; }
[data-theme="dark"] .theme-toggle .icon-dark { display: block; }

/* ==========================================================================
   4. NAV TOGGLE (Mobile)
   ========================================================================== */

.nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-2);
    background: transparent;
    border: 0;
    color: var(--text-primary);
    cursor: pointer;
}

.nav-mobile-controls {
    align-items: center;
    gap: var(--space-2);
}

.nav-mobile-controls .theme-toggle {
    margin: 0;
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .hide-mobile { display: none !important; }
}

/* ==========================================================================
   5. MOBILE MENU
   ========================================================================== */

.mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: var(--z-dropdown);
    background: rgba(0, 0, 0, 0.4);
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.mobile-overlay.active {
    opacity: 1;
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(320px, 85vw);
    height: 100vh;
    z-index: var(--z-drawer);
    background: var(--bg-base);
    border-left: 1px solid var(--border-light);
    padding: var(--space-6);
    transition: right var(--transition-drawer);
    overflow-y: auto;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-8);
}

.mobile-menu-nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.mobile-menu-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.mobile-menu-link:hover {
    color: var(--text-primary);
    background: var(--bg-surface);
}

.mobile-menu-label {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    color: var(--text-tertiary);
    padding: var(--space-4) var(--space-4) var(--space-2);
}

.mobile-menu-indent,
.mobile-menu-link-indent {
    padding-left: var(--space-10);
}

/* --- Mobile dropdown submenus (collapsed by default) ---
   Markup from InfyPress_Mobile_Menu_Walker:
     <div class="mobile-menu-dropdown">
       <button class="mobile-menu-toggle" aria-expanded="false">...</button>
       <div class="mobile-menu-submenu">...links...</div>
     </div>
   JS (assets/js/mobile-menu.js) toggles .is-open on the outer .mobile-menu-dropdown. */

.mobile-menu-dropdown {
    display: flex;
    flex-direction: column;
}

.mobile-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-family: inherit;
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--text-secondary);
    background: transparent;
    border: 0;
    border-radius: var(--radius-md);
    cursor: pointer;
    text-align: left;
    transition: all var(--transition-fast);
}

.mobile-menu-toggle:hover,
.mobile-menu-dropdown.is-open .mobile-menu-toggle {
    color: var(--text-primary);
    background: var(--bg-surface);
}

.mobile-menu-toggle > .material-symbols-outlined {
    font-size: var(--icon-md);
    color: var(--text-tertiary);
    transition: transform var(--transition-base);
}

.mobile-menu-dropdown.is-open .mobile-menu-toggle > .material-symbols-outlined {
    transform: rotate(180deg);
}

.mobile-menu-submenu {
    display: none;
    flex-direction: column;
    gap: var(--space-1);
    padding: var(--space-1) 0 var(--space-2);
}

.mobile-menu-dropdown.is-open .mobile-menu-submenu {
    display: flex;
}

/* Submenu links sit one level down, so dial the type scale back a notch
   relative to top-level .mobile-menu-link. */
.mobile-menu-submenu .mobile-menu-link {
    font-size: var(--text-sm);
    padding: var(--space-2) var(--space-4);
}

/* Enhanced submenu items (from mega-menu fields: icon + title + description) */
.mobile-menu-link-enhanced {
    align-items: flex-start;
}

.mobile-menu-content {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.mobile-menu-title {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-primary);
    line-height: var(--leading-tight);
}

.mobile-menu-description {
    font-size: var(--text-2xs, var(--text-xs));
    color: var(--text-tertiary);
    line-height: var(--leading-tight);
}

.mobile-menu-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: var(--space-6);
    height: var(--space-6);
    color: var(--text-tertiary);
}

.mobile-menu-svg {
    width: var(--space-5);
    height: var(--space-5);
}

.mobile-menu-cta {
    margin-top: var(--space-8);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.mobile-menu-cta .btn {
    width: 100%;
    justify-content: center;
}

/* Legacy .mobile-menu-theme row — no longer rendered (theme toggle moved
   next to the hamburger on mobile). Kept for back-compat with any stale
   markup. */
.mobile-menu-theme {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-4);
    margin-top: var(--space-4);
    border-top: 1px solid var(--border-light);
    padding-top: var(--space-6);
}

.mobile-menu-theme span {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}