/**
 * Mobile Navigation - 2026 Sophisticated Design
 * Full-screen overlay menu with premium animations
 * Colors: Consistent with theme (accent: #00ff9d, bg: #0a0a0f)
 * Updated: January 2026
 */

/* ============================================
   CSS VARIABLES FOR MENU
   ============================================ */
:root {
    --menu-bg: rgba(5, 5, 10, 0.98);
    --menu-accent: #00ff9d;
    --menu-text: #ffffff;
    --menu-text-secondary: rgba(255, 255, 255, 0.6);
    --menu-border: rgba(0, 255, 157, 0.15);
    --menu-transition: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   CENTER LOGO - Mobile/Tablet Only
   ============================================ */
.nav-center-mobile {
    display: none;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
}

.nav-center-mobile .center-ai-text {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--menu-accent);
    font-family: 'Inter', sans-serif;
    letter-spacing: 0.5px;
    white-space: nowrap;
    text-shadow: 0 0 20px rgba(0, 255, 157, 0.4);
}

.nav-center-mobile .divider {
    color: var(--menu-accent);
    margin: 0 0.3rem;
    font-weight: 300;
    opacity: 0.6;
}

/* ============================================
   DESKTOP - Hide hamburger, show nav links
   ============================================ */
@media (min-width: 1025px) {
    .main-nav .nav-toggle {
        display: none !important;
    }

    .nav-center-mobile {
        display: none !important;
    }

    .main-nav .nav-links {
        display: flex !important;
        position: relative !important;
        transform: none !important;
        opacity: 1 !important;
        visibility: visible !important;
        background: none !important;
        flex-direction: row !important;
        gap: 2.5rem !important;
        padding: 0 !important;
        border: none !important;
        box-shadow: none !important;
        height: auto !important;
        width: auto !important;
        inset: auto !important;
    }

    .main-nav .nav-container {
        display: flex !important;
        justify-content: flex-start !important;
        align-items: center !important;
        gap: 4rem !important;
        padding: 0.5rem 2rem !important;
    }

    .main-nav .nav-right {
        display: flex !important;
        align-items: center !important;
        gap: 3rem !important;
    }

    .main-nav .link-item {
        padding: 0.6rem 0.5rem !important;
        border: none !important;
        background: none !important;
        color: var(--menu-text) !important;
        text-align: left !important;
        width: auto !important;
    }

    .main-nav .link-item:hover {
        color: var(--menu-accent) !important;
        background: none !important;
    }
}

/* ============================================
   TABLET & MOBILE - Hamburger + Overlay Menu
   ============================================ */
@media (max-width: 1024px) {
    /* Show center logo */
    .nav-center-mobile {
        display: block !important;
    }

    /* Nav Container Layout */
    .main-nav .nav-container {
        display: flex !important;
        justify-content: space-between !important;
        align-items: center !important;
        width: 100% !important;
        padding: 0.5rem 1rem !important;
        gap: 0 !important;
        position: relative !important;
    }

    .main-nav .nav-left {
        flex: 0 0 auto !important;
        display: flex !important;
        align-items: center !important;
        z-index: 1002 !important;
    }

    .main-nav .nav-right {
        flex: 0 0 auto !important;
        display: flex !important;
        align-items: center !important;
        margin-left: auto !important;
        gap: 0 !important;
        z-index: 1002 !important;
    }

    /* ============================================
       HAMBURGER BUTTON - Minimal elegant design
       ============================================ */
    .main-nav .nav-toggle {
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        width: 44px !important;
        height: 44px !important;
        padding: 0 !important;
        margin: 0 !important;
        background: transparent !important;
        border: none !important;
        cursor: pointer !important;
        z-index: 1002 !important;
        position: relative !important;
        -webkit-tap-highlight-color: transparent;
    }

    /* Hamburger Icon - Three elegant lines */
    .main-nav .nav-toggle-icon {
        display: block !important;
        width: 24px !important;
        height: 2px !important;
        background: var(--menu-accent) !important;
        position: relative !important;
        transition: all 0.3s var(--menu-transition) !important;
        border-radius: 2px !important;
    }

    .main-nav .nav-toggle-icon::before,
    .main-nav .nav-toggle-icon::after {
        content: '' !important;
        position: absolute !important;
        width: 24px !important;
        height: 2px !important;
        background: var(--menu-accent) !important;
        transition: all 0.3s var(--menu-transition) !important;
        border-radius: 2px !important;
        left: 0 !important;
    }

    .main-nav .nav-toggle-icon::before {
        top: -8px !important;
    }

    .main-nav .nav-toggle-icon::after {
        bottom: -8px !important;
    }

    /* Hamburger Active - Transform to X */
    .main-nav .nav-toggle.active .nav-toggle-icon {
        background: transparent !important;
    }

    .main-nav .nav-toggle.active .nav-toggle-icon::before {
        transform: rotate(45deg) !important;
        top: 0 !important;
        box-shadow: 0 0 10px rgba(0, 255, 157, 0.6) !important;
    }

    .main-nav .nav-toggle.active .nav-toggle-icon::after {
        transform: rotate(-45deg) !important;
        bottom: 0 !important;
        box-shadow: 0 0 10px rgba(0, 255, 157, 0.6) !important;
    }

    /* ============================================
       FULL-SCREEN OVERLAY MENU
       ============================================ */
    .main-nav .nav-links {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        width: 100vw !important;
        height: 100vh !important;
        height: 100dvh !important; /* Dynamic viewport height for mobile */
        background: var(--menu-bg) !important;
        backdrop-filter: blur(20px) saturate(180%) !important;
        -webkit-backdrop-filter: blur(20px) saturate(180%) !important;
        display: flex !important;
        flex-direction: column !important;
        justify-content: center !important;
        align-items: center !important;
        gap: 0 !important;
        padding: 6rem 2rem 4rem !important;
        z-index: 1001 !important;
        margin: 0 !important;
        transform: translateY(-100%) !important;
        opacity: 0 !important;
        visibility: hidden !important;
        transition: all 0.4s var(--menu-transition) !important;
        box-sizing: border-box !important;
        overflow-y: auto !important;
        overflow-x: hidden !important;
    }

    /* Menu Open State */
    .main-nav .nav-links.show {
        transform: translateY(0) !important;
        opacity: 1 !important;
        visibility: visible !important;
    }

    /* Background gradient overlay */
    .main-nav .nav-links::before {
        content: '' !important;
        position: absolute !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        background:
            radial-gradient(ellipse at top right, rgba(0, 255, 157, 0.08) 0%, transparent 50%),
            radial-gradient(ellipse at bottom left, rgba(0, 212, 255, 0.05) 0%, transparent 50%) !important;
        pointer-events: none !important;
        z-index: -1 !important;
    }

    /* Subtle grid pattern */
    .main-nav .nav-links::after {
        content: '' !important;
        position: absolute !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        background-image:
            linear-gradient(rgba(0, 255, 157, 0.02) 1px, transparent 1px),
            linear-gradient(90deg, rgba(0, 255, 157, 0.02) 1px, transparent 1px) !important;
        background-size: 50px 50px !important;
        pointer-events: none !important;
        z-index: -1 !important;
    }

    /* ============================================
       NAVIGATION LINKS - Premium styling
       ============================================ */
    .main-nav .nav-links .link-item,
    .main-nav .nav-links .dropdown-trigger {
        width: auto !important;
        min-width: 200px !important;
        padding: 1rem 1.5rem !important;
        margin: 0.25rem 0 !important;
        border: none !important;
        border-radius: 12px !important;
        color: var(--menu-text) !important;
        text-decoration: none !important;
        transition: all 0.3s var(--menu-transition) !important;
        text-align: center !important;
        font-weight: 500 !important;
        font-size: 1.1rem !important;
        letter-spacing: 0.5px !important;
        background: transparent !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        position: relative !important;
        overflow: hidden !important;
        opacity: 0 !important;
        transform: translateY(20px) !important;
    }

    /* Staggered entrance animation */
    .main-nav .nav-links.show .link-item,
    .main-nav .nav-links.show .dropdown-trigger,
    .main-nav .nav-links.show .nav-dropdown {
        opacity: 1 !important;
        transform: translateY(0) !important;
    }

    .main-nav .nav-links.show .link-item:nth-child(1),
    .main-nav .nav-links.show .nav-dropdown:nth-child(1) { transition-delay: 0.1s !important; }
    .main-nav .nav-links.show .link-item:nth-child(2),
    .main-nav .nav-links.show .nav-dropdown:nth-child(2) { transition-delay: 0.15s !important; }
    .main-nav .nav-links.show .link-item:nth-child(3),
    .main-nav .nav-links.show .nav-dropdown:nth-child(3) { transition-delay: 0.2s !important; }
    .main-nav .nav-links.show .link-item:nth-child(4),
    .main-nav .nav-links.show .nav-dropdown:nth-child(4) { transition-delay: 0.25s !important; }
    .main-nav .nav-links.show .link-item:nth-child(5),
    .main-nav .nav-links.show .nav-dropdown:nth-child(5) { transition-delay: 0.3s !important; }
    .main-nav .nav-links.show .link-item:nth-child(6),
    .main-nav .nav-links.show .nav-dropdown:nth-child(6) { transition-delay: 0.35s !important; }
    .main-nav .nav-links.show .link-item:nth-child(7),
    .main-nav .nav-links.show .nav-dropdown:nth-child(7) { transition-delay: 0.4s !important; }

    /* Hover effect - subtle glow */
    .main-nav .nav-links .link-item:hover,
    .main-nav .nav-links .dropdown-trigger:hover {
        background: rgba(0, 255, 157, 0.1) !important;
        color: var(--menu-accent) !important;
        box-shadow: 0 0 30px rgba(0, 255, 157, 0.15) !important;
    }

    /* Active link styling */
    .main-nav .nav-links .link-item.active {
        color: var(--menu-accent) !important;
        background: rgba(0, 255, 157, 0.15) !important;
        border: 1px solid rgba(0, 255, 157, 0.3) !important;
    }

    /* Link title styling */
    .main-nav .nav-links .link-title {
        font-family: 'Inter', -apple-system, sans-serif !important;
        font-size: 1rem !important;
        text-transform: none !important;
        letter-spacing: 0 !important;
    }

    /* Remove underline effect on mobile */
    .main-nav .nav-links .link-item::after {
        display: none !important;
    }

    /* ============================================
       CONNECT CTA - Special styling
       ============================================ */
    .main-nav .nav-links .link-cta {
        margin-top: 1.5rem !important;
        background: linear-gradient(135deg, rgba(0, 255, 157, 0.2), rgba(0, 255, 157, 0.05)) !important;
        border: 1px solid rgba(0, 255, 157, 0.4) !important;
        color: var(--menu-accent) !important;
        font-weight: 600 !important;
        padding: 1.2rem 2.5rem !important;
    }

    .main-nav .nav-links .link-cta:hover {
        background: linear-gradient(135deg, rgba(0, 255, 157, 0.3), rgba(0, 255, 157, 0.1)) !important;
        box-shadow: 0 0 40px rgba(0, 255, 157, 0.3), inset 0 0 20px rgba(0, 255, 157, 0.1) !important;
        transform: scale(1.02) !important;
    }

    /* ============================================
       DROPDOWN MENUS - Mobile accordion style
       ============================================ */
    .main-nav .nav-dropdown {
        width: auto !important;
        min-width: 200px !important;
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        opacity: 0 !important;
        transform: translateY(20px) !important;
        transition: all 0.3s var(--menu-transition) !important;
    }

    .main-nav .nav-dropdown .dropdown-trigger {
        gap: 0.5rem !important;
    }

    .main-nav .nav-dropdown .dropdown-arrow {
        transition: transform 0.3s var(--menu-transition) !important;
    }

    .main-nav .nav-dropdown.active .dropdown-arrow {
        transform: rotate(180deg) !important;
    }

    /* Dropdown menu panel */
    .main-nav .nav-dropdown .dropdown-menu {
        position: static !important;
        transform: none !important;
        width: 100% !important;
        min-width: 200px !important;
        max-height: 0 !important;
        overflow: hidden !important;
        background: rgba(0, 0, 0, 0.3) !important;
        border-radius: 8px !important;
        margin-top: 0.5rem !important;
        opacity: 0 !important;
        visibility: hidden !important;
        transition: all 0.3s var(--menu-transition) !important;
        border: none !important;
        box-shadow: none !important;
        padding: 0 !important;
    }

    .main-nav .nav-dropdown .dropdown-menu::before {
        display: none !important;
    }

    .main-nav .nav-dropdown.active .dropdown-menu {
        max-height: 300px !important;
        opacity: 1 !important;
        visibility: visible !important;
        padding: 0.5rem !important;
        border: 1px solid rgba(0, 255, 157, 0.1) !important;
    }

    /* Dropdown items */
    .main-nav .dropdown-item {
        padding: 0.75rem 1rem !important;
        font-size: 0.95rem !important;
        color: var(--menu-text-secondary) !important;
        text-align: center !important;
        border-radius: 6px !important;
        transition: all 0.2s ease !important;
    }

    .main-nav .dropdown-item:hover {
        background: rgba(0, 255, 157, 0.1) !important;
        color: var(--menu-accent) !important;
    }
}

/* ============================================
   SMALL MOBILE - Adjustments
   ============================================ */
@media (max-width: 480px) {
    .nav-center-mobile .center-ai-text {
        font-size: 1.2rem !important;
    }

    .main-nav .nav-links {
        padding: 5rem 1.5rem 3rem !important;
    }

    .main-nav .nav-links .link-item,
    .main-nav .nav-links .dropdown-trigger {
        font-size: 1rem !important;
        padding: 0.9rem 1.25rem !important;
        min-width: 180px !important;
    }

    .main-nav .nav-links .link-cta {
        padding: 1rem 2rem !important;
    }
}

/* ============================================
   VERY SMALL SCREENS
   ============================================ */
@media (max-width: 360px) {
    .nav-center-mobile .center-ai-text {
        font-size: 1.1rem !important;
    }

    .main-nav .nav-links .link-item,
    .main-nav .nav-links .dropdown-trigger {
        font-size: 0.95rem !important;
        min-width: 160px !important;
    }
}

/* ============================================
   BODY SCROLL LOCK WHEN MENU OPEN
   ============================================ */
body.menu-open {
    overflow: hidden !important;
    position: fixed !important;
    width: 100% !important;
    height: 100% !important;
}

/* ============================================
   ACCESSIBILITY - Focus states
   ============================================ */
.main-nav .nav-toggle:focus-visible {
    outline: 2px solid var(--menu-accent) !important;
    outline-offset: 4px !important;
}

.main-nav .nav-links .link-item:focus-visible,
.main-nav .nav-links .dropdown-trigger:focus-visible {
    outline: 2px solid var(--menu-accent) !important;
    outline-offset: 2px !important;
    background: rgba(0, 255, 157, 0.1) !important;
}

/* ============================================
   REDUCED MOTION PREFERENCE
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    .main-nav .nav-links,
    .main-nav .nav-toggle-icon,
    .main-nav .nav-toggle-icon::before,
    .main-nav .nav-toggle-icon::after,
    .main-nav .nav-links .link-item,
    .main-nav .nav-dropdown .dropdown-menu {
        transition-duration: 0.01ms !important;
    }
}