/* QuantumVerify Mobile Optimization v1.0 */
/* Include after main styles in each HTML page */

/* ==========================================================================
   Mobile Navigation - Hamburger Menu
   ========================================================================== */

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 200;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    margin: 3px 0;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

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

/* ==========================================================================
   Tablet Breakpoint (max-width: 1024px)
   ========================================================================== */

@media (max-width: 1024px) {
    /* Navigation */
    .nav {
        padding: 0.75rem 1rem;
    }
    
    .nav-logo span {
        font-size: 1.25rem;
    }
    
    .nav-links {
        gap: 1.5rem;
    }
    
    .nav-links a {
        font-size: 0.85rem;
    }
    
    .nav-cta {
        padding: 0.6rem 1.25rem;
        font-size: 0.85rem;
    }
    
    /* Grids */
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Hero */
    .hero {
        padding-top: 5rem;
    }
    
    .hero h1 {
        font-size: 3rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    /* Sections */
    .section {
        padding: 4rem 1.5rem;
    }
    
    .section-header h2 {
        font-size: 1.75rem;
    }
    
    /* Tables */
    .table-wrapper {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        margin: 0 -1rem;
        padding: 0 1rem;
    }
    
    table {
        min-width: 600px;
    }
}

/* ==========================================================================
   Mobile Breakpoint (max-width: 768px)
   ========================================================================== */

@media (max-width: 768px) {
    /* Show hamburger */
    .nav-toggle {
        display: flex;
    }
    
    /* Mobile menu */
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: rgba(15, 15, 35, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: flex-start;
        padding: 5rem 2rem 2rem;
        gap: 0;
        transition: right 0.3s ease;
        border-left: 1px solid var(--glass-border);
        overflow-y: auto;
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-links a {
        width: 100%;
        padding: 1rem 0;
        font-size: 1rem;
        border-bottom: 1px solid var(--glass-border);
    }
    
    .nav-links a::after {
        display: none;
    }
    
    /* Mobile dropdown */
    .nav-dropdown {
        width: 100%;
    }
    
    .nav-dropdown > a {
        display: flex;
        justify-content: space-between;
        width: 100%;
        padding: 1rem 0;
        border-bottom: 1px solid var(--glass-border);
    }
    
    .nav-dropdown-content {
        position: static;
        transform: none;
        display: none;
        min-width: 100%;
        background: rgba(0, 0, 0, 0.2);
        border: none;
        border-radius: 0;
        margin: 0;
        padding: 0.5rem 0;
        box-shadow: none;
    }
    
    .nav-dropdown-content::before {
        display: none;
    }
    
    .nav-dropdown.open .nav-dropdown-content {
        display: block;
    }
    
    .nav-dropdown-content a {
        padding: 0.75rem 1.5rem;
        border-bottom: none;
    }
    
    /* Hide CTA in main nav on mobile */
    .nav-cta {
        display: none;
    }
    
    /* Overlay when menu open */
    .nav-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 90;
    }
    
    .nav-overlay.active {
        display: block;
    }
    
    /* Grids */
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    /* Hero */
    .hero {
        min-height: auto;
        padding: 6rem 1.5rem 3rem;
        text-align: center;
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero h1 {
        font-size: 2.25rem;
        line-height: 1.15;
    }
    
    .hero p {
        font-size: 1rem;
        margin: 0 auto 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .hero-buttons .btn-primary,
    .hero-buttons .btn-secondary {
        width: 100%;
        justify-content: center;
    }
    
    .hero-tags {
        justify-content: center;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .hero-orb {
        width: 240px;
        height: 240px;
    }
    
    .hero-orb .number {
        font-size: 3.5rem;
    }
    
    .hero-orb .label {
        font-size: 1rem;
    }
    
    .float-card {
        display: none;
    }
    
    /* Stats */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .stat-item {
        padding: 1rem;
    }
    
    .stat-value {
        font-size: 2.5rem;
    }
    
    /* Sections */
    .section {
        padding: 3rem 1.25rem;
    }
    
    .section-header {
        margin-bottom: 2rem;
    }
    
    .section-header h2 {
        font-size: 1.5rem;
    }
    
    .section-header p {
        font-size: 0.95rem;
    }
    
    /* Glass cards */
    .glass {
        padding: 1.25rem;
        border-radius: 16px;
    }
    
    .glass h3 {
        font-size: 1.1rem;
    }
    
    /* Flow steps */
    .flow-steps,
    .workflow-steps {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .flow-arrow,
    .workflow-step .arrow {
        display: none;
    }
    
    .flow-step {
        width: 100%;
    }
    
    /* Tables */
    table {
        font-size: 0.8rem;
    }
    
    th, td {
        padding: 0.75rem 0.5rem;
    }
    
    /* CTA boxes */
    .cta-box {
        padding: 1.5rem;
    }
    
    .cta-box h3 {
        font-size: 1.25rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
        text-align: center;
    }
    
    /* Footer */
    .footer {
        padding: 2rem 1.25rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    /* Use case tiles */
    .use-case-tile {
        padding: 1.25rem;
    }
    
    /* Pilot boxes */
    .pilot-box {
        padding: 1rem;
    }
    
    /* Implementation options grid */
    .impl-grid {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   Small Mobile Breakpoint (max-width: 480px)
   ========================================================================== */

@media (max-width: 480px) {
    .nav-logo svg {
        width: 36px;
        height: 36px;
    }
    
    .nav-logo span {
        font-size: 1.1rem;
    }
    
    .hero h1 {
        font-size: 1.85rem;
    }
    
    .hero p {
        font-size: 0.95rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-value {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 1.35rem;
    }
    
    .hero-orb {
        width: 200px;
        height: 200px;
    }
    
    .hero-orb .number {
        font-size: 2.75rem;
    }
    
    .hero-badge {
        font-size: 0.75rem;
        padding: 0.5rem 1rem;
    }
    
    .hero-tag {
        font-size: 0.7rem;
        padding: 0.4rem 0.75rem;
    }
}

/* ==========================================================================
   Touch Improvements
   ========================================================================== */

@media (hover: none) and (pointer: coarse) {
    /* Larger touch targets */
    .nav-links a,
    .btn-primary,
    .btn-secondary,
    .evidence-link,
    .trust-link {
        min-height: 44px;
        display: inline-flex;
        align-items: center;
    }
    
    /* Disable hover effects that don't work on touch */
    .glass:hover {
        transform: none;
    }
    
    .nav-dropdown:hover .nav-dropdown-content {
        display: none;
    }
    
    .nav-dropdown.open .nav-dropdown-content {
        display: block;
    }
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

.mobile-only {
    display: none;
}

.desktop-only {
    display: block;
}

@media (max-width: 768px) {
    .mobile-only {
        display: block;
    }
    
    .desktop-only {
        display: none;
    }
}

/* ==========================================================================
   Safe Area Insets (for notched devices)
   ========================================================================== */

@supports (padding: max(0px)) {
    .nav {
        padding-left: max(1rem, env(safe-area-inset-left));
        padding-right: max(1rem, env(safe-area-inset-right));
    }
    
    .section {
        padding-left: max(1.25rem, env(safe-area-inset-left));
        padding-right: max(1.25rem, env(safe-area-inset-right));
    }
    
    .footer {
        padding-bottom: max(2rem, env(safe-area-inset-bottom));
    }
}