/* Aurora AI - Responsive Design CSS */

/* Base Responsive Variables */
:root {
    --mobile-breakpoint: 768px;
    --tablet-breakpoint: 1024px;
    --desktop-breakpoint: 1200px;
    --large-desktop-breakpoint: 1440px;
}

/* Mobile First Approach */
@media (max-width: 767px) {
    /* Navigation */
    .nav-container {
        padding: 0 var(--spacing-md);
        height: 60px;
    }
    
    .nav-menu {
        position: fixed;
        top: 60px;
        left: 0;
        width: 100%;
        height: calc(100vh - 60px);
        background: rgba(10, 10, 15, 0.98);
        backdrop-filter: blur(20px);
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
        z-index: var(--z-modal);
    }
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    .nav-links {
        flex-direction: column;
        padding: var(--spacing-xl) var(--spacing-lg);
        gap: var(--spacing-xl);
        margin-right: 0;
    }
    
    .nav-link {
        font-size: 1.125rem;
        text-align: center;
        padding: var(--spacing-md) 0;
    }
    
    .mobile-menu-toggle {
        display: flex;
        flex-direction: column;
        gap: 4px;
        cursor: pointer;
    }
    
    .mobile-menu-toggle span {
        width: 25px;
        height: 3px;
        background: var(--primary-color);
        transition: all var(--transition-fast);
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .nav-actions {
        gap: var(--spacing-sm);
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.875rem;
    }
    
    /* Hero Section */
    .hero {
        min-height: 100vh;
        padding: 80px 0 var(--spacing-2xl);
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-2xl);
    }
    
    .hero-title {
        font-size: 2.5rem;
        line-height: 1.2;
    }
    
    .subtitle {
        font-size: 1.5rem;
    }
    
    .hero-description {
        font-size: 1rem;
        margin-bottom: var(--spacing-xl);
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
        margin-bottom: var(--spacing-xl);
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
    }
    
    .btn-large {
        width: 100%;
        max-width: 300px;
    }
    
    .hero-visual {
        margin-top: var(--spacing-2xl);
    }
    
    .aurora-visualization {
        width: 250px;
        height: 250px;
    }
    
    .globe-core {
        width: 60px;
        height: 60px;
    }
    
    .ring-1 {
        width: 100px;
        height: 100px;
    }
    
    .ring-2 {
        width: 130px;
        height: 130px;
    }
    
    .ring-3 {
        width: 160px;
        height: 160px;
    }
    
    /* Section Headers */
    .section-title {
        font-size: 2rem;
        margin-bottom: var(--spacing-md);
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    /* Vision Section */
    .vision-timeline {
        margin-bottom: var(--spacing-2xl);
    }
    
    .timeline-track {
        height: 80px;
    }
    
    .timeline-marker {
        font-size: 0.75rem;
    }
    
    .marker-label {
        font-size: 0.75rem;
    }
    
    .marker-content {
        font-size: 0.625rem;
        max-width: 80px;
    }
    
    .vision-phases {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .phase-card {
        padding: var(--spacing-lg);
    }
    
    .phase-icon {
        width: 60px;
        height: 60px;
        margin-bottom: var(--spacing-md);
    }
    
    .phase-card h3 {
        font-size: 1.25rem;
    }
    
    .phase-stats {
        flex-wrap: wrap;
        gap: var(--spacing-xs);
    }
    
    .phase-stats span {
        font-size: 0.625rem;
        padding: var(--spacing-xs) var(--spacing-xs);
    }
    
    /* Investors Section */
    .investment-highlights {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .highlight-card {
        padding: var(--spacing-lg);
    }
    
    .highlight-icon {
        width: 50px;
        height: 50px;
        margin-bottom: var(--spacing-md);
    }
    
    .highlight-card h3 {
        font-size: 1.125rem;
    }
    
    .investment-details {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .chart-container {
        height: 250px;
    }
    
    .metric-item {
        padding: var(--spacing-sm);
    }
    
    .investment-cta {
        padding: var(--spacing-lg);
    }
    
    .investment-cta h3 {
        font-size: 1.5rem;
    }
    
    .cta-actions {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    /* Developers Section */
    .developer-features {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .feature-item {
        padding: var(--spacing-lg);
    }
    
    .feature-icon {
        width: 50px;
        height: 50px;
        margin-bottom: var(--spacing-md);
    }
    
    .feature-item h4 {
        font-size: 1rem;
    }
    
    .developer-cta {
        padding: var(--spacing-lg);
    }
    
    .developer-cta h3 {
        font-size: 1.5rem;
    }
    
    /* Documentation Section */
    .documentation-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .doc-category {
        padding: var(--spacing-lg);
    }
    
    .doc-category h3 {
        font-size: 1.125rem;
    }
    
    .doc-list a {
        font-size: 0.875rem;
    }
    
    /* Roadmap Section */
    .roadmap-phase {
        margin-bottom: var(--spacing-lg);
    }
    
    .phase-header {
        padding: var(--spacing-md) var(--spacing-lg);
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
    
    .phase-header h3 {
        font-size: 1.25rem;
    }
    
    .phase-years {
        font-size: 0.75rem;
    }
    
    .phase-content {
        padding: var(--spacing-lg);
    }
    
    .milestone {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
    
    .milestone-marker {
        margin: 0 auto var(--spacing-xs);
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
        text-align: center;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .link-group {
        text-align: center;
    }
    
    .footer-cta {
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .footer-legal {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

/* Tablet Styles */
@media (min-width: 768px) and (max-width: 1023px) {
    /* Navigation */
    .nav-container {
        padding: 0 var(--spacing-lg);
    }
    
    .nav-links {
        gap: var(--spacing-lg);
    }
    
    /* Hero Section */
    .hero-title {
        font-size: 3rem;
    }
    
    .subtitle {
        font-size: 1.75rem;
    }
    
    .hero-stats {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .aurora-visualization {
        width: 350px;
        height: 350px;
    }
    
    /* Section Headers */
    .section-title {
        font-size: 2.5rem;
    }
    
    /* Vision Section */
    .vision-phases {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Investors Section */
    .investment-highlights {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .investment-details {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Developers Section */
    .developer-features {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Documentation Section */
    .documentation-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr 2fr;
    }
    
    .footer-links {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Desktop Styles */
@media (min-width: 1024px) and (max-width: 1199px) {
    /* Hero Section */
    .hero-title {
        font-size: 3.5rem;
    }
    
    .aurora-visualization {
        width: 450px;
        height: 450px;
    }
    
    /* Vision Section */
    .vision-phases {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* Investors Section */
    .investment-highlights {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* Developers Section */
    .developer-features {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* Documentation Section */
    .documentation-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr 2fr 1fr;
    }
}

/* Large Desktop Styles */
@media (min-width: 1200px) {
    .section-container {
        max-width: 1400px;
        padding: 0 var(--spacing-xl);
    }
    
    .hero-title {
        font-size: 4rem;
    }
    
    .aurora-visualization {
        width: 500px;
        height: 500px;
    }
    
    .vision-phases {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .investment-highlights {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .developer-features {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .documentation-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Extra Large Desktop Styles */
@media (min-width: 1440px) {
    .section-container {
        max-width: 1600px;
    }
    
    .hero-title {
        font-size: 4.5rem;
    }
    
    .aurora-visualization {
        width: 600px;
        height: 600px;
    }
}

/* Landscape Mobile */
@media (max-width: 767px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: 80px 0 var(--spacing-lg);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .subtitle {
        font-size: 1.25rem;
    }
    
    .hero-stats {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-sm);
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .aurora-visualization {
        width: 200px;
        height: 200px;
    }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .quantum-ring,
    .neural-core,
    .particle {
        transform: scale(0.5);
    }
    
    .timeline-marker,
    .milestone-marker {
        transform: scale(0.8);
    }
}

/* Touch Devices */
@media (hover: none) and (pointer: coarse) {
    .nav-link:hover::after {
        width: 0;
    }
    
    .btn:hover {
        transform: none;
        box-shadow: none;
    }
    
    .phase-card:hover,
    .highlight-card:hover,
    .feature-item:hover,
    .doc-category:hover {
        transform: none;
        box-shadow: none;
    }
    
    .social-link:hover {
        transform: none;
        background: rgba(255, 255, 255, 0.1);
    }
}

/* Print Styles */
@media print {
    * {
        background: white !important;
        color: black !important;
        box-shadow: none !important;
    }
    
    .navbar,
    .footer,
    .hero-visual,
    .loading-screen {
        display: none !important;
    }
    
    .hero {
        min-height: auto;
        padding: var(--spacing-lg) 0;
    }
    
    .hero-title,
    .section-title {
        color: black !important;
        background: none !important;
        -webkit-text-fill-color: black !important;
    }
    
    .btn {
        border: 1px solid black !important;
        background: white !important;
        color: black !important;
    }
    
    .phase-card,
    .highlight-card,
    .feature-item,
    .doc-category {
        border: 1px solid black !important;
        page-break-inside: avoid;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .quantum-ring,
    .neural-core,
    .particle,
    .data-streams,
    .neural-network {
        animation: none !important;
    }
    
    .loading-screen {
        display: none !important;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --dark-bg: #0a0a0f;
        --darker-bg: #050508;
        --light-bg: #1a1a2e;
        --text-primary: #ffffff;
        --text-secondary: #b0b0c0;
        --text-muted: #6b7280;
    }
}

/* Light Mode Support */
@media (prefers-color-scheme: light) {
    :root {
        --dark-bg: #ffffff;
        --darker-bg: #f8f9fa;
        --light-bg: #e9ecef;
        --text-primary: #212529;
        --text-secondary: #6c757d;
        --text-muted: #adb5bd;
    }
    
    .navbar {
        background: rgba(255, 255, 255, 0.95);
        border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    }
    
    .hero-background {
        background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    }
    
    .phase-card,
    .highlight-card,
    .feature-item,
    .doc-category {
        background: rgba(255, 255, 255, 0.8);
        border: 1px solid rgba(0, 0, 0, 0.1);
        color: var(--text-primary);
    }
    
    .footer {
        background: var(--darker-bg);
        border-top: 1px solid rgba(0, 0, 0, 0.1);
    }
}

/* Accessibility Improvements */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #00ffff;
        --secondary-color: #0099ff;
        --accent-color: #ff00ff;
        --text-primary: #ffffff;
        --text-secondary: #ffffff;
    }
    
    .btn {
        border: 2px solid var(--primary-color);
    }
    
    .nav-link {
        font-weight: 700;
    }
    
    .phase-card,
    .highlight-card,
    .feature-item,
    .doc-category {
        border: 2px solid var(--primary-color);
    }
}

/* Focus Visible */
@media (focus-visible) {
    .btn:focus-visible,
    .nav-link:focus-visible,
    .social-link:focus-visible {
        outline: 2px solid var(--primary-color);
        outline-offset: 2px;
    }
}

/* Container Queries */
@container (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .aurora-visualization {
        width: 200px;
        height: 200px;
    }
}

@container (min-width: 769px) and (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .aurora-visualization {
        width: 300px;
        height: 300px;
    }
}

@container (min-width: 1025px) {
    .hero-title {
        font-size: 4rem;
    }
    
    .aurora-visualization {
        width: 400px;
        height: 400px;
    }
}

/* Custom Properties for Responsive Design */
:root {
    --container-padding: var(--spacing-lg);
    --nav-height: 80px;
    --mobile-nav-height: 60px;
    --hero-min-height: 100vh;
    --section-padding: var(--spacing-3xl);
}

@media (max-width: 767px) {
    :root {
        --container-padding: var(--spacing-md);
        --nav-height: 60px;
        --mobile-nav-height: 60px;
        --hero-min-height: 100vh;
        --section-padding: var(--spacing-2xl);
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    :root {
        --container-padding: var(--spacing-lg);
        --nav-height: 80px;
        --mobile-nav-height: 60px;
        --hero-min-height: 100vh;
        --section-padding: var(--spacing-3xl);
    }
}

@media (min-width: 1024px) {
    :root {
        --container-padding: var(--spacing-xl);
        --nav-height: 80px;
        --mobile-nav-height: 60px;
        --hero-min-height: 100vh;
        --section-padding: var(--spacing-3xl);
    }
}