/* ========================================
   Codentium Homepage CSS
   Modern, Responsive, Dark Theme
   ======================================== */

/* CSS Custom Properties (Variables) */
:root {
    /* Colors based on Codentium spec */
    --bg-primary: #0D1117;
    --bg-secondary: #161B22;
    --surface: #21262D;
    --surface-hover: #30363D;
    --text-primary: #C9D1D9;
    --text-secondary: #8B949E;
    --text-muted: #6E7681;
    --accent-primary: #4C8DFF;
    --accent-secondary: #2563EB;
    --accent-gradient: linear-gradient(135deg, #4C8DFF 0%, #2563EB 100%);
    --success: #2EA043;
    --success-bg: #143F2A;
    --danger: #F85149;
    --danger-bg: #3B1618;
    --warning: #F0C429;
    --warning-bg: #3B2F00;

    /* AI specific colors */
    --ai-bubble-bg: #0E2233;
    --ai-bubble-border: #1F2A35;
    --ai-ghost: rgba(76, 141, 255, 0.45);

    /* Typography */
    --font-display: 'Tourney', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    --font-mono: 'Source Code Pro', 'Consolas', monospace;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 20px rgba(76, 141, 255, 0.3);

    /* Borders */
    --border-radius: 8px;
    --border-radius-sm: 4px;
    --border-radius-lg: 12px;

    /* Transitions */
    --transition-fast: all 0.2s ease;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Reset and Base Styles */
* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 2rem;
}

h4 {
    font-size: 1.5rem;
}

h5 {
    font-size: 1.25rem;
}

h6 {
    font-size: 1.125rem;
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--accent-secondary);
    text-decoration: none;
}

/* Buttons */
.btn {
    font-family: var(--font-body);
    font-weight: 600;
    border-radius: var(--border-radius);
    border: 2px solid transparent;
    padding: 0.75rem 1.5rem;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    text-transform: none;
    letter-spacing: 0.025em;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn:focus {
    box-shadow: 0 0 0 3px rgba(76, 141, 255, 0.3);
    outline: none;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    border-color: var(--accent-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
    color: white;
}

.btn-outline-light {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

.btn-outline-light:hover {
    background: var(--surface);
    color: var(--text-primary);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

.btn-outline-primary {
    background: transparent;
    color: var(--accent-primary);
    border-color: var(--accent-primary);
}

.btn-outline-primary:hover {
    background: var(--accent-primary);
    color: white;
}

.btn-outline-secondary {
    background: transparent;
    color: var(--text-secondary);
    border-color: var(--text-secondary);
}

.btn-outline-secondary:hover {
    background: var(--surface);
    color: var(--text-primary);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Gradient Text */
.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    position: relative;
    display: inline-block;
    animation: gradientShift 4s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% {
        background: var(--accent-gradient);
        -webkit-background-clip: text;
        background-clip: text;
    }
    50% {
        background: linear-gradient(135deg, #5A9FFF 0%, #3B82F6 100%);
        -webkit-background-clip: text;
        background-clip: text;
    }
}

/* Navigation */
.navbar {
    background: rgba(13, 17, 23, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-smooth);
    padding: 1rem 0;
}

.navbar.scrolled {
    background: rgba(13, 17, 23, 0.98);
    border-bottom-color: rgba(76, 141, 255, 0.2);
}

.navbar-brand {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary) !important;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-brand i {
    color: var(--accent-primary);
}

.navbar-nav .nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
}

.navbar-nav .nav-link:hover {
    color: var(--text-primary) !important;
    background: rgba(76, 141, 255, 0.1);
}

.navbar-toggler {
    border: none;
    padding: 0.25rem 0.5rem;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 2px rgba(76, 141, 255, 0.3);
}

/* Hero Section - COMPLETELY UPDATED */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 120px 0 80px; /* Prevent navbar overlap */
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, rgba(76, 141, 255, 0.15) 0%, transparent 70%);
    z-index: 0;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(76, 141, 255, 0.05) 50%, transparent 100%);
}

.code-animation {
    position: absolute;
    top: 20%;
    right: -10%;
    width: 500px;
    height: 400px;
    opacity: 0.08;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--accent-primary);
    pointer-events: none;
    z-index: 1;
}

.code-line-anim {
    margin: 0.5rem 0;
    opacity: 0;
    transform: translateX(30px);
    animation: fadeInCode 0.8s ease forwards;
}

@keyframes fadeInCode {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero-content {
    z-index: 10;
    position: relative;
    width: 100%;
}

/* IMPROVED HERO TITLE STYLING */
.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4.5rem); /* Responsive font size */
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-xl);
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    letter-spacing: -0.02em;
    position: relative;
    z-index: 10;
}

.hero-title::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    background: rgba(76, 141, 255, 0.03);
    border-radius: 20px;
    z-index: -1;
    opacity: 0;
    animation: titleGlow 3s ease-in-out infinite alternate;
}

@keyframes titleGlow {
    0% {
        opacity: 0;
        transform: scale(0.98);
    }
    100% {
        opacity: 0.6;
        transform: scale(1.02);
    }
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xxl);
    max-width: 600px;
    line-height: 1.7;
    font-weight: 400;
    opacity: 0.9;
}

.hero-buttons {
    margin-bottom: var(--spacing-xxl);
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

/* Hero Visual - Editor Mockup */
.hero-visual {
    z-index: 5;
    position: relative;
}

.editor-mockup {
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    position: relative;
    transform: perspective(1000px) rotateY(-3deg) rotateX(2deg);
    transition: var(--transition-smooth);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.editor-mockup:hover {
    transform: perspective(1000px) rotateY(-1deg) rotateX(1deg);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.editor-header {
    background: var(--surface);
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.editor-tabs {
    display: flex;
    gap: var(--spacing-sm);
}

.tab {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    transition: var(--transition-fast);
}

.tab.active {
    background: var(--accent-primary);
    color: white;
}

.editor-controls {
    display: flex;
    gap: var(--spacing-xs);
}

.control-button {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--text-muted);
}

.editor-content {
    padding: var(--spacing-md);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.6;
}

.code-line {
    display: flex;
    margin: 0.25rem 0;
}

.line-number {
    color: var(--text-muted);
    width: 3rem;
    text-align: right;
    margin-right: var(--spacing-md);
}

.code-text {
    color: var(--text-primary);
}

.ai-ghost {
    color: rgba(76, 141, 255, 0.6);
    opacity: 0.8;
}

.ai-suggestion {
    background: rgba(76, 141, 255, 0.05);
    padding: 0.25rem;
    border-radius: var(--border-radius-sm);
    margin: 0.25rem -0.25rem;
    border-left: 3px solid var(--accent-primary);
}

.ai-chat-popup {
    position: absolute;
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    background: rgba(14, 34, 51, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(76, 141, 255, 0.2);
    border-radius: var(--border-radius);
    padding: var(--spacing-sm) var(--spacing-md);
    animation: slideInUp 0.8s ease;
    max-width: 280px;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.ai-message {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--text-primary);
}

.ai-message i {
    color: var(--accent-primary);
    font-size: 1rem;
}

/* Section Styles */
.section-header {
    margin-bottom: var(--spacing-xxl);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

/* Features Section */
.features-section {
    padding: 6rem 0;
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.feature-card {
    background: var(--surface);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    height: 100%;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transition: var(--transition-smooth);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(76, 141, 255, 0.3);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: rgba(76, 141, 255, 0.1);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    transition: var(--transition-smooth);
}

.feature-icon i {
    font-size: 1.5rem;
    color: var(--accent-primary);
}

.feature-card:hover .feature-icon {
    background: rgba(76, 141, 255, 0.2);
    transform: scale(1.1);
}

.feature-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* AI Section */
.ai-section {
    padding: 6rem 0;
    background: var(--bg-secondary);
}

.ai-features {
    margin-top: var(--spacing-xl);
}

.ai-feature-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    transition: var(--transition-fast);
}

.ai-feature-item:hover {
    background: rgba(76, 141, 255, 0.05);
}

.ai-feature-item i {
    color: var(--accent-primary);
    font-size: 1.25rem;
    margin-top: 0.25rem;
    flex-shrink: 0;
}

.ai-feature-item h5 {
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.ai-feature-item p {
    color: var(--text-secondary);
    margin: 0;
}

.ai-demo {
    position: relative;
}

.demo-container {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.demo-header {
    background: var(--surface);
    padding: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.demo-title {
    font-weight: 600;
    color: var(--text-primary);
}

.demo-controls {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.provider-selector {
    background: var(--accent-primary);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

.token-counter {
    color: var(--text-muted);
    font-size: 0.75rem;
}

.demo-chat {
    padding: var(--spacing-md);
    max-height: 300px;
    overflow-y: auto;
}

.chat-message {
    margin-bottom: var(--spacing-md);
}

.chat-message.user .message-content {
    background: var(--accent-primary);
    color: white;
    margin-left: auto;
    max-width: 80%;
}

.chat-message.assistant .message-content {
    background: var(--ai-bubble-bg);
    border: 1px solid var(--ai-bubble-border);
    max-width: 90%;
}

.message-content {
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    line-height: 1.5;
}

.message-actions {
    margin-top: var(--spacing-sm);
    display: flex;
    gap: var(--spacing-sm);
}

.context-preview {
    background: var(--surface);
    padding: var(--spacing-sm) var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.context-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Providers Section */
.providers-section {
    padding: 6rem 0;
    background: var(--bg-primary);
}

.provider-card {
    background: var(--surface);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    height: 100%;
    transition: var(--transition-smooth);
    position: relative;
}

.provider-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: rgba(76, 141, 255, 0.3);
}

.provider-card.featured {
    border-color: var(--accent-primary);
    background: rgba(76, 141, 255, 0.05);
}

.provider-icon {
    width: 60px;
    height: 60px;
    background: rgba(76, 141, 255, 0.1);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    transition: var(--transition-smooth);
}

.provider-icon i {
    font-size: 1.5rem;
    color: var(--accent-primary);
}

.provider-card:hover .provider-icon {
    transform: scale(1.1);
    background: rgba(76, 141, 255, 0.2);
}

.provider-card h5 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.provider-card p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 0;
}

.provider-badge {
    position: absolute;
    top: -10px;
    right: var(--spacing-md);
    background: var(--accent-gradient);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-size: 0.75rem;
    font-weight: 600;
}

/* Download Section */
.download-section {
    padding: 6rem 0;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.download-card {
    background: var(--surface);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xxl);
    box-shadow: var(--shadow-lg);
}

.download-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.download-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    transition: var(--transition-smooth);
}

.download-option:hover {
    background: var(--surface-hover);
    border-color: rgba(76, 141, 255, 0.3);
}

.platform-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(76, 141, 255, 0.1);
    border-radius: var(--border-radius);
    flex-shrink: 0;
}

.platform-icon i {
    font-size: 1.5rem;
    color: var(--accent-primary);
}

.platform-info {
    flex-grow: 1;
}

.platform-info h5 {
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.platform-info p {
    color: var(--text-secondary);
    margin: 0;
    font-size: 0.875rem;
}

.download-footer {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Footer */
.footer-section {
    background: var(--bg-secondary);
    padding: 4rem 0 2rem;
}

.footer-brand h4 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-display);
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.footer-brand i {
    color: var(--accent-primary);
}

.footer-brand p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--surface);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.social-links a:hover {
    background: var(--accent-primary);
    color: white;
    transform: translateY(-2px);
}

.footer-links h6 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
}

.footer-links ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.875rem;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--accent-primary);
}

.footer-divider {
    border: none;
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: var(--spacing-xxl) 0 var(--spacing-lg);
}

.copyright,
.made-with {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 1199.98px) {
    .hero-title {
        font-size: clamp(2rem, 4vw, 3.5rem);
    }
    
    .code-animation {
        right: -20%;
        opacity: 0.05;
    }

    .section-header {
        margin-bottom: var(--spacing-xl);
    }

    .feature-card,
    .provider-card {
        padding: var(--spacing-lg);
    }

    .download-card {
        padding: var(--spacing-xl);
    }

    .navbar-brand {
        font-size: 1.25rem;
    }

    .demo-chat {
        padding: var(--spacing-sm);
    }

    .footer-section {
        padding: 3rem 0 1.5rem;
        text-align: center;
    }

    .footer-brand,
    .footer-links {
        margin-bottom: var(--spacing-xl);
    }

    .social-links {
        justify-content: center;
    }
}

@media (max-width: 991.98px) {
    .hero-section {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        text-align: center;
        font-size: clamp(2rem, 5vw, 3rem);
    }

    .hero-subtitle {
        text-align: center;
        margin: 0 auto var(--spacing-xl);
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .stat-item {
        align-items: center;
        text-align: center;
    }

    .ai-features {
        margin-top: var(--spacing-xl);
    }

    .download-options {
        gap: var(--spacing-lg);
    }

    .demo-container {
        margin-top: var(--spacing-xl);
    }

    .editor-mockup {
        margin-top: var(--spacing-xl);
        transform: none;
    }

    .editor-mockup:hover {
        transform: none;
    }
}

@media (max-width: 767.98px) {
    :root {
        --spacing-xxl: 2rem;
    }

    .hero-section {
        padding: 80px 0 40px;
    }
    
    .hero-title {
        font-size: clamp(1.75rem, 8vw, 2.5rem);
        margin-bottom: var(--spacing-lg);
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    h2,
    .section-title {
        font-size: 1.75rem;
    }

    .hero-stats {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
    }

    .btn-lg {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
    }

    .hero-buttons .ml-3 {
        margin-left: 0 !important;
    }

    .features-section,
    .ai-section,
    .providers-section,
    .download-section {
        padding: 4rem 0;
    }

    .download-option {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }

    .platform-info {
        flex-grow: 0;
    }

    .code-animation {
        display: none;
    }

    .ai-feature-item {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }

    .ai-feature-item i {
        margin-top: 0;
    }

    .ai-chat-popup {
        position: static;
        margin-top: var(--spacing-md);
        max-width: none;
    }
}

@media (max-width: 575.98px) {
    .hero-title {
        font-size: clamp(1.5rem, 10vw, 2rem);
    }

    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

/* Accessibility Improvements */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .code-animation,
    .ai-chat-popup {
        animation: none;
    }

    .editor-mockup:hover {
        transform: none;
    }

    .hero-title::before,
    .gradient-text {
        animation: none;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --bg-primary: #000000;
        --bg-secondary: #111111;
        --surface: #222222;
        --text-primary: #ffffff;
        --text-secondary: #cccccc;
        --accent-primary: #66aaff;
    }

    .feature-card,
    .provider-card,
    .download-card {
        border-color: var(--text-secondary);
    }

    .hero-title {
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
    }
    
    .gradient-text {
        color: var(--accent-primary) !important;
        background: none !important;
        -webkit-text-fill-color: var(--accent-primary) !important;
    }
}

/* Focus styles for keyboard navigation */
.btn:focus,
.nav-link:focus,
a:focus {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .navbar,
    .footer-section,
    .hero-background,
    .code-animation {
        display: none !important;
    }

    body {
        background: white !important;
        color: black !important;
    }

    .hero-title,
    .section-title,
    h1,
    h2,
    h3,
    h4,
    h5,
    h6 {
        color: black !important;
    }

    .feature-card,
    .provider-card,
    .download-card {
        border: 1px solid #ccc !important;
        box-shadow: none !important;
    }
}

/* Scrollbar styling for webkit browsers */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--surface);
    border-radius: var(--border-radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--surface-hover);
}

/* Selection styling */
::selection {
    background: rgba(76, 141, 255, 0.3);
    color: var(--text-primary);
}

::-moz-selection {
    background: rgba(76, 141, 255, 0.3);
    color: var(--text-primary);
}

/* Loading states */
@keyframes pulse {
    0% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
    100% {
        opacity: 1;
    }
}

.loading {
    animation: pulse 1.5s infinite;
}

/* Utility classes */
.text-gradient {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-surface {
    background-color: var(--surface);
}

.border-accent {
    border-color: var(--accent-primary);
}

.shadow-glow {
    box-shadow: var(--shadow-glow);
}

/* Animation classes */
.fade-in {
    opacity: 0;
    animation: fadeIn 0.6s ease forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

.slide-up {
    opacity: 0;
    transform: translateY(30px);
    animation: slideUp 0.6s ease forwards;
}

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

.scale-in {
    opacity: 0;
    transform: scale(0.9);
    animation: scaleIn 0.6s ease forwards;
}

@keyframes scaleIn {
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Code syntax highlighting for demo */
.syntax-keyword {
    color: #ff7b72;
}

.syntax-string {
    color: #a5d6ff;
}

.syntax-comment {
    color: #8b949e;
}

.syntax-function {
    color: #d2a8ff;
}

.syntax-variable {
    color: #ffa657;
}

/* Performance optimizations */
.gpu-accelerated {
    transform: translateZ(0);
    will-change: transform;
}

.hero-section * {
    will-change: transform;
}

/* Dark mode compatibility (already implemented but ensuring consistency) */
@media (prefers-color-scheme: dark) {
    /* Colors are already optimized for dark mode */
}

/* Light mode alternative (if needed in future) */
@media (prefers-color-scheme: light) {
    :root {
        --bg-primary: #ffffff;
        --bg-secondary: #f6f8fa;
        --surface: #ffffff;
        --surface-hover: #f1f3f4;
        --text-primary: #24292e;
        --text-secondary: #586069;
        --text-muted: #6a737d;
        --accent-primary: #0366d6;
        --accent-secondary: #2188ff;
    }

    .navbar {
        background: rgba(255, 255, 255, 0.95);
        border-bottom-color: rgba(0, 0, 0, 0.1);
    }

    .feature-card,
    .provider-card,
    .download-card {
        border-color: rgba(0, 0, 0, 0.1);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }
}

/* Additional responsive improvements for very large screens */
@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }

    .hero-title {
        font-size: 4.5rem;
    }

    .section-title {
        font-size: 3rem;
    }
}

/* Hover effects for touch devices */
@media (hover: none) and (pointer: coarse) {
    .feature-card:hover,
    .provider-card:hover,
    .btn:hover {
        transform: none;
    }

    .feature-card:active,
    .provider-card:active {
        transform: translateY(-2px);
    }
}

/* Reduced transparency for users who prefer less transparency */
@media (prefers-reduced-transparency: reduce) {
    .navbar {
        background: var(--bg-primary);
        backdrop-filter: none;
    }

    .hero-background {
        opacity: 0.5;
    }
}

/* Ensure proper stacking contexts */
.hero-section {
    z-index: 1;
}

.navbar {
    z-index: 1000;
}

.ai-chat-popup {
    z-index: 10;
}

/* Performance hint: contain layout for cards */
.feature-card,
.provider-card {
    contain: layout style paint;
}

/* Smooth transitions for theme switching */
* {
    transition-property: background-color, border-color, color, box-shadow;
}

/* Ensure text remains readable during font loading */
body {
    font-display: swap;
}