/* ========================================
   MODERN MOBILE NAVIGATION - V3.0
   Sleek, minimal, premium design
   ======================================== */

@media (max-width: 768px) {

    /* Hide desktop navigation */
    .nav-group.nav-links,
    .nav-group.group-left,
    .nav-group.group-right {
        display: none !important;
    }

    /* Sleek Navbar */
    .navbar {
        position: fixed !important;
        top: 0;
        left: 0;
        right: 0;
        padding: 12px 20px !important;
        background: rgba(10, 25, 47, 0.95) !important;
        backdrop-filter: blur(20px) !important;
        -webkit-backdrop-filter: blur(20px) !important;
        border-bottom: 1px solid rgba(100, 255, 218, 0.1);
        z-index: 1000;
        box-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
    }

    .nav-center-layout {
        display: flex;
        justify-content: space-between;
        align-items: center;
        max-width: 100%;
    }

    /* Logo - Centered */
    .logo-center {
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
    }

    .logo-center img,
    .nav-logo-img {
        height: 36px !important;
        width: auto;
    }

    /* Hamburger Menu Button - Modern 3-line */
    .mobile-toggle {
        display: flex !important;
        flex-direction: column;
        justify-content: space-around;
        width: 32px;
        height: 32px;
        background: transparent;
        border: none;
        cursor: pointer;
        padding: 0;
        z-index: 10001;
        position: relative;
    }

    .mobile-toggle span {
        width: 100%;
        height: 2px;
        background: var(--color-secondary);
        border-radius: 10px;
        transition: all 0.3s ease;
        transform-origin: center;
    }

    .mobile-toggle.active span:nth-child(1) {
        transform: translateY(10px) rotate(45deg);
    }

    .mobile-toggle.active span:nth-child(2) {
        opacity: 0;
        transform: translateX(-20px);
    }

    .mobile-toggle.active span:nth-child(3) {
        transform: translateY(-10px) rotate(-45deg);
    }

    /* Hide FontAwesome icon, use custom hamburger */
    .mobile-toggle i {
        display: none;
    }

    /* Full Screen Overlay Menu */
    .mobile-menu-overlay {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        width: 100% !important;
        height: 100vh !important;
        background: linear-gradient(135deg, #0a192f 0%, #112240 50%, #0a192f 100%);
        z-index: 9999 !important;
        display: flex;
        align-items: center;
        justify-content: center;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.4s ease, visibility 0.4s ease;
    }

    .mobile-menu-overlay.active {
        opacity: 1;
        visibility: visible;
    }

    /* Animated background pattern */
    .mobile-menu-overlay::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background:
            radial-gradient(circle at 20% 20%, rgba(100, 255, 218, 0.03) 0%, transparent 50%),
            radial-gradient(circle at 80% 80%, rgba(100, 255, 218, 0.03) 0%, transparent 50%);
        pointer-events: none;
    }

    /* Close Button - Minimal X */
    .mobile-menu-close {
        position: absolute;
        top: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
        background: transparent;
        border: 1px solid rgba(100, 255, 218, 0.3);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        z-index: 10001;
        transition: all 0.3s ease;
    }

    .mobile-menu-close:active {
        background: rgba(100, 255, 218, 0.1);
        transform: rotate(90deg) scale(0.9);
    }

    .mobile-menu-close i {
        font-size: 1.2rem;
        color: var(--color-secondary);
    }

    /* Menu Content - Centered */
    .mobile-menu-content {
        width: 100%;
        max-width: 400px;
        padding: 0 30px;
        text-align: center;
    }

    /* Navigation Links - Centered & Minimal */
    .mobile-menu-overlay .nav-links,
    .mobile-menu-overlay nav.nav-links {
        display: flex !important;
        flex-direction: column;
        gap: 8px;
        margin-bottom: 40px;
        position: static !important;
        width: 100% !important;
        height: auto !important;
        background: transparent !important;
        box-shadow: none !important;
        backdrop-filter: none !important;
        right: auto !important;
        top: auto !important;
        left: auto !important;
        transform: none !important;
        transition: none !important;
    }

    /* Links - Large & Clean */
    .mobile-menu-overlay .nav-links a {
        display: block !important;
        padding: 16px 24px;
        font-size: 1.6rem;
        font-weight: 600;
        color: #e6f1ff !important;
        text-decoration: none;
        border-radius: 12px;
        transition: all 0.3s ease;
        position: static !important;
        margin: 0 !important;
        width: 100% !important;
        opacity: 1 !important;
        visibility: visible !important;
        font-family: 'Space Grotesk', sans-serif;
        letter-spacing: 0.5px;
    }

    .mobile-menu-overlay .nav-links a:active {
        background: rgba(100, 255, 218, 0.1);
        color: var(--color-secondary) !important;
        transform: scale(0.98);
    }

    .mobile-menu-overlay .nav-links a.active-link {
        background: rgba(100, 255, 218, 0.15);
        color: var(--color-secondary) !important;
        box-shadow: 0 0 20px rgba(100, 255, 218, 0.2);
    }

    /* CTA Button - Prominent */
    .mobile-menu-overlay .btn,
    .mobile-menu-overlay .btn-mobile-cta {
        display: block !important;
        width: 100%;
        padding: 18px 32px;
        background: var(--color-secondary);
        color: var(--color-primary);
        border: none;
        border-radius: 12px;
        font-weight: 700;
        text-align: center;
        text-decoration: none;
        font-size: 1.2rem;
        margin-bottom: 40px;
        transition: all 0.3s ease;
        font-family: 'Space Grotesk', sans-serif;
        box-shadow: 0 4px 20px rgba(100, 255, 218, 0.3);
    }

    .mobile-menu-overlay .btn:active {
        transform: scale(0.96);
        box-shadow: 0 2px 10px rgba(100, 255, 218, 0.4);
    }

    /* Social Links - Minimal */
    .mobile-social-links {
        display: flex;
        justify-content: center;
        gap: 16px;
        margin-bottom: 30px;
    }

    .mobile-social-links a {
        width: 44px;
        height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: transparent;
        border: 1px solid rgba(100, 255, 218, 0.3);
        border-radius: 50%;
        color: var(--color-secondary);
        font-size: 1.1rem;
        transition: all 0.3s ease;
        text-decoration: none;
    }

    .mobile-social-links a:active {
        background: rgba(100, 255, 218, 0.1);
        transform: scale(0.9);
    }

    /* Menu Footer - Subtle */
    .mobile-menu-footer {
        margin-top: 20px;
        text-align: center;
    }

    .mobile-menu-footer p {
        font-size: 0.85rem;
        color: rgba(255, 255, 255, 0.4);
        margin: 0;
        font-weight: 300;
        letter-spacing: 1px;
    }

    /* Prevent body scroll */
    body.menu-open {
        overflow: hidden !important;
        position: fixed !important;
        width: 100% !important;
    }

    /* Stagger animation for links */
    .mobile-menu-overlay.active .nav-links a {
        animation: fadeInUp 0.4s ease forwards;
    }

    .mobile-menu-overlay.active .nav-links a:nth-child(1) {
        animation-delay: 0.05s;
    }

    .mobile-menu-overlay.active .nav-links a:nth-child(2) {
        animation-delay: 0.1s;
    }

    .mobile-menu-overlay.active .nav-links a:nth-child(3) {
        animation-delay: 0.15s;
    }

    .mobile-menu-overlay.active .nav-links a:nth-child(4) {
        animation-delay: 0.2s;
    }

    .mobile-menu-overlay.active .nav-links a:nth-child(5) {
        animation-delay: 0.25s;
    }

    .mobile-menu-overlay.active .nav-links a:nth-child(6) {
        animation-delay: 0.3s;
    }

    .mobile-menu-overlay.active .nav-links a:nth-child(7) {
        animation-delay: 0.35s;
    }

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

        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .mobile-menu-overlay .nav-links a {
        font-size: 1.4rem;
        padding: 14px 20px;
    }

    .mobile-menu-content {
        padding: 0 20px;
    }
}

/* Tablet */
@media (min-width: 769px) and (max-width: 992px) {
    .mobile-toggle {
        display: flex !important;
    }

    .nav-group.nav-links,
    .nav-group.group-left,
    .nav-group.group-right {
        display: none !important;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {

    .mobile-menu-overlay,
    .mobile-menu-overlay *,
    .mobile-toggle,
    .mobile-toggle span {
        animation: none !important;
        transition: none !important;
    }
}