/* ============================================
   ContextGraph OS - Product Website Styles
   ============================================ */

/* CSS Variables */
:root {
    /* Colors */
    --color-bg: #0a0a0b;
    --color-bg-elevated: #111113;
    --color-bg-card: #161618;
    --color-bg-hover: #1c1c1f;
    --color-border: #27272a;
    --color-border-subtle: #1e1e21;

    --color-text: #fafafa;
    --color-text-secondary: #a1a1aa;
    --color-text-muted: #71717a;

    --color-primary: #6366f1;
    --color-primary-hover: #818cf8;
    --color-primary-subtle: rgba(99, 102, 241, 0.1);

    --color-accent: #22d3ee;
    --color-accent-subtle: rgba(34, 211, 238, 0.1);

    --color-success: #22c55e;
    --color-warning: #f59e0b;
    --color-error: #ef4444;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
    --gradient-text: linear-gradient(135deg, #6366f1 0%, #22d3ee 100%);
    --gradient-glow: radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(99, 102, 241, 0.06), transparent 40%);

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.15);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
}

a {
    color: inherit;
    text-decoration: none;
}

img, svg {
    display: block;
    max-width: 100%;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ============================================
   Navigation
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(10, 10, 11, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border-subtle);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-md) var(--space-lg);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--color-text);
}

.nav-logo .logo-icon {
    color: var(--color-primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

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

.nav-links a:hover {
    color: var(--color-text);
}

.nav-github {
    display: flex;
    align-items: center;
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    transition: all var(--transition-fast);
}

.nav-github:hover {
    background: var(--color-bg-hover);
    border-color: var(--color-border);
}

.nav-cloud {
    padding: var(--space-xs) var(--space-md);
    background: var(--gradient-primary);
    color: white !important;
    border-radius: var(--radius-full);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.nav-cloud:hover {
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: var(--space-sm);
}

.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--color-text);
    transition: all var(--transition-fast);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md), 0 0 20px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg), 0 0 30px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: var(--color-bg-card);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-bg-hover);
    border-color: var(--color-text-muted);
}

.btn-outline {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-outline:hover {
    background: var(--color-bg-card);
    border-color: var(--color-text-muted);
}

.btn-lg {
    padding: var(--space-md) var(--space-xl);
    font-size: 1rem;
}

.btn-sm {
    padding: var(--space-xs) var(--space-md);
    font-size: 0.8125rem;
}

/* Nav Sign In Button */
.nav-signin {
    margin-left: var(--space-sm);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(80px + var(--space-4xl)) 0 var(--space-4xl);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(99, 102, 241, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 50% at 50% 0%, black 70%, transparent 100%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-md);
    background: var(--color-primary-subtle);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-primary-hover);
    margin-bottom: var(--space-lg);
}

.badge-dot {
    width: 6px;
    height: 6px;
    background: var(--color-primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-lg);
}

.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-xl);
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-3xl);
}

.hero-stats {
    display: flex;
    gap: var(--space-3xl);
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-visual {
    position: relative;
}

/* Code Window */
.code-window {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.code-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: var(--color-bg-elevated);
    border-bottom: 1px solid var(--color-border);
}

.code-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.code-dot.red { background: #ef4444; }
.code-dot.yellow { background: #f59e0b; }
.code-dot.green { background: #22c55e; }

.code-title {
    margin-left: var(--space-md);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    font-family: var(--font-mono);
}

.code-content {
    padding: var(--space-lg);
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    line-height: 1.7;
    overflow-x: auto;
}

.code-content code {
    display: block;
}

.code-keyword { color: #c084fc; }
.code-string { color: #86efac; }
.code-function { color: #67e8f9; }
.code-comment { color: #6b7280; }
.code-number { color: #fbbf24; }

/* ============================================
   Section Styles
   ============================================ */
section {
    padding: var(--space-4xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

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

/* ============================================
   Problem Section
   ============================================ */
.problem {
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border-subtle);
    border-bottom: 1px solid var(--color-border-subtle);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.problem-card {
    padding: var(--space-xl);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.problem-card:hover {
    border-color: var(--color-error);
    transform: translateY(-2px);
}

.problem-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: rgba(239, 68, 68, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-error);
    margin-bottom: var(--space-lg);
}

.problem-card h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.problem-card p {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ============================================
   Solution / Features Section
   ============================================ */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.feature-card {
    position: relative;
    padding: var(--space-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.feature-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card.featured {
    grid-column: span 2;
}

.feature-number {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.feature-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.feature-card p {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.feature-code {
    padding: var(--space-sm) var(--space-md);
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-accent);
    overflow-x: auto;
}

/* ============================================
   Architecture Section
   ============================================ */
.architecture {
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border-subtle);
    border-bottom: 1px solid var(--color-border-subtle);
}

.arch-diagram {
    max-width: 800px;
    margin: 0 auto;
}

.arch-layer {
    padding: var(--space-xl);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-md);
}

.arch-layer.highlight {
    border-color: var(--color-primary);
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.1);
}

.arch-label {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
    text-align: center;
}

.arch-boxes {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
    flex-wrap: wrap;
}

.arch-box {
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
}

.arch-box.agent {
    background: rgba(34, 211, 238, 0.1);
    color: var(--color-accent);
    border: 1px solid rgba(34, 211, 238, 0.2);
}

.arch-box.core {
    background: var(--color-primary-subtle);
    color: var(--color-primary-hover);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.arch-box.support {
    background: rgba(168, 85, 247, 0.1);
    color: #c084fc;
    border: 1px solid rgba(168, 85, 247, 0.2);
}

.arch-box.exec {
    background: rgba(34, 197, 94, 0.1);
    color: var(--color-success);
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.arch-desc {
    text-align: center;
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.arch-arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-md);
    color: var(--color-text-muted);
}

.arch-arrow span {
    font-size: 0.75rem;
}

.arch-principle {
    margin-top: var(--space-3xl);
    text-align: center;
}

.arch-principle blockquote {
    font-size: 1.125rem;
    font-style: italic;
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto;
    padding: var(--space-xl);
    border-left: 3px solid var(--color-primary);
    background: var(--color-bg);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* ============================================
   Demo Section
   ============================================ */
.demo-tabs {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
}

.demo-tab {
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.demo-tab:hover {
    color: var(--color-text);
    border-color: var(--color-text-muted);
}

.demo-tab.active {
    color: var(--color-text);
    background: var(--color-primary-subtle);
    border-color: var(--color-primary);
}

.demo-content {
    max-width: 1000px;
    margin: 0 auto;
}

.demo-panel {
    display: none;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-xl);
    align-items: start;
}

.demo-panel.active {
    display: grid;
}

.demo-description h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.demo-description > p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
}

.demo-steps {
    counter-reset: step;
}

.demo-steps li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--color-border-subtle);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.step-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--color-primary-subtle);
    color: var(--color-primary);
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 600;
    flex-shrink: 0;
}

.demo-terminal {
    position: relative;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: var(--color-bg-elevated);
    border-bottom: 1px solid var(--color-border);
}

.terminal-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.terminal-dot.red { background: #ef4444; }
.terminal-dot.yellow { background: #f59e0b; }
.terminal-dot.green { background: #22c55e; }

.terminal-title {
    margin-left: var(--space-md);
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.terminal-body {
    padding: var(--space-lg);
    min-height: 300px;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    line-height: 1.7;
}

.terminal-line {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.prompt {
    color: var(--color-success);
}

.command {
    color: var(--color-text);
}

.output {
    color: var(--color-text-secondary);
}

.output.success {
    color: var(--color-success);
}

.output.warning {
    color: var(--color-warning);
}

.output.highlight {
    color: var(--color-primary-hover);
}

.demo-run-btn {
    position: absolute;
    bottom: var(--space-lg);
    right: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-primary);
    color: white;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.demo-run-btn:hover {
    background: var(--color-primary-hover);
}

/* ============================================
   Cloud Section
   ============================================ */
.cloud {
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border-subtle);
    border-bottom: 1px solid var(--color-border-subtle);
    position: relative;
    overflow: hidden;
}

.cloud::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse 60% 40% at 50% 0%, rgba(99, 102, 241, 0.1), transparent 60%);
    pointer-events: none;
}

.cloud-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-md);
    background: var(--color-primary-subtle);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-primary-hover);
    margin-bottom: var(--space-lg);
}

.cloud-badge svg {
    color: var(--color-primary);
}

/* Cloud Hero */
.cloud-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
    margin-bottom: var(--space-4xl);
}

.cloud-hero-content h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.cloud-hero-content > p {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-xl);
}

.cloud-hero-features {
    list-style: none;
    margin-bottom: var(--space-xl);
}

.cloud-hero-features li {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm) 0;
    font-size: 1rem;
    color: var(--color-text-secondary);
}

.cloud-hero-features li svg {
    color: var(--color-success);
    flex-shrink: 0;
}

.cloud-hero-cta {
    display: flex;
    gap: var(--space-md);
}

/* Dashboard Preview */
.dashboard-preview {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg), 0 0 60px rgba(99, 102, 241, 0.15);
}

.dashboard-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--color-bg-elevated);
    border-bottom: 1px solid var(--color-border);
}

.dashboard-dots {
    display: flex;
    gap: 6px;
}

.dashboard-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-border);
}

.dashboard-dots span:nth-child(1) { background: #ef4444; }
.dashboard-dots span:nth-child(2) { background: #f59e0b; }
.dashboard-dots span:nth-child(3) { background: #22c55e; }

.dashboard-title {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

.dashboard-body {
    display: flex;
    min-height: 280px;
}

.dashboard-sidebar {
    width: 60px;
    background: var(--color-bg);
    border-right: 1px solid var(--color-border);
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.sidebar-item {
    height: 32px;
    background: var(--color-bg-card);
    border-radius: var(--radius-sm);
}

.sidebar-item.active {
    background: var(--color-primary-subtle);
    border: 1px solid rgba(99, 102, 241, 0.3);
}

.dashboard-main {
    flex: 1;
    padding: var(--space-lg);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.dashboard-stat {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    height: 80px;
}

.dashboard-chart {
    grid-column: span 3;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    height: 140px;
}

/* Cloud Features Grid */
.cloud-features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.cloud-feature {
    text-align: center;
    padding: var(--space-xl);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.cloud-feature:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.cloud-feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-md);
    background: var(--color-primary-subtle);
    border-radius: var(--radius-md);
    color: var(--color-primary);
}

.cloud-feature h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.cloud-feature p {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

/* ============================================
   Audience Section
   ============================================ */
.audience-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.audience-card {
    padding: var(--space-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    text-align: center;
}

.audience-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-lg);
    background: var(--color-primary-subtle);
    border-radius: var(--radius-lg);
    color: var(--color-primary);
}

.audience-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

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

.audience-tags {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.audience-tags li {
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* ============================================
   Pricing Section
   ============================================ */
.pricing {
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border-subtle);
    border-bottom: 1px solid var(--color-border-subtle);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    align-items: start;
}

.pricing-card {
    position: relative;
    padding: var(--space-xl);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.pricing-card.featured {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-xs) var(--space-md);
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    color: white;
}

.pricing-header {
    text-align: center;
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--space-xl);
}

.pricing-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--space-xs);
}

.price-amount {
    font-size: 2.5rem;
    font-weight: 700;
}

.price-period {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.pricing-features {
    margin-bottom: var(--space-xl);
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.pricing-features svg {
    color: var(--color-success);
    flex-shrink: 0;
}

.pricing-card .btn {
    width: 100%;
}

.pricing-desc {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
    text-align: center;
}

/* Pricing Comparison Table */
.pricing-comparison {
    margin-top: var(--space-4xl);
    text-align: center;
}

.pricing-comparison h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-xl);
}

.comparison-table-wrapper {
    overflow-x: auto;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-bg);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
    table-layout: fixed;
}

.comparison-table th,
.comparison-table td {
    padding: var(--space-lg);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
}

.comparison-table th:first-child,
.comparison-table td:first-child {
    width: 30%;
    font-weight: 500;
}

.comparison-table th:not(:first-child),
.comparison-table td:not(:first-child) {
    width: 23.33%;
}

.comparison-table th {
    background: var(--color-bg-elevated);
    font-weight: 600;
    color: var(--color-text);
    font-size: 0.9375rem;
}

.comparison-table th:not(:first-child) {
    text-align: center;
}

/* Highlight Team column */
.comparison-table th:nth-child(3) {
    background: linear-gradient(180deg, rgba(99, 102, 241, 0.15) 0%, rgba(99, 102, 241, 0.05) 100%);
    color: var(--color-primary-hover);
}

.comparison-table td:nth-child(3) {
    background: rgba(99, 102, 241, 0.03);
}

.comparison-table td:not(:first-child) {
    text-align: center;
    color: var(--color-text-secondary);
}

.comparison-table td.check {
    color: var(--color-success);
    font-weight: 500;
}

.comparison-table td.cross {
    color: var(--color-text-muted);
    font-size: 1.25rem;
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

.comparison-table tbody tr {
    transition: background var(--transition-fast);
}

.comparison-table tbody tr:hover td {
    background: var(--color-bg-hover);
}

.comparison-table tbody tr:hover td:nth-child(3) {
    background: rgba(99, 102, 241, 0.08);
}

/* ============================================
   FAQ Section
   ============================================ */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--color-border);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--space-lg) 0;
    font-size: 1rem;
    font-weight: 500;
    text-align: left;
    color: var(--color-text);
    transition: color var(--transition-fast);
}

.faq-question:hover {
    color: var(--color-primary);
}

.faq-question svg {
    flex-shrink: 0;
    transition: transform var(--transition-fast);
}

.faq-item.active .faq-question svg {
    transform: rotate(180deg);
}

.faq-answer {
    display: none;
    padding-bottom: var(--space-lg);
}

.faq-item.active .faq-answer {
    display: block;
}

.faq-answer p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.faq-answer strong {
    color: var(--color-text);
}

/* ============================================
   CTA Section
   ============================================ */
.cta {
    text-align: center;
    background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-elevated) 100%);
}

.cta-content h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.cta-content p {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border);
    padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.footer-logo .logo-icon {
    color: var(--color-primary);
}

.footer-brand p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    max-width: 250px;
}

.footer-links h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    color: var(--color-text);
}

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

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

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

.footer-bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
    }

    .hero-title {
        font-size: 2.75rem;
    }

    .hero-visual {
        display: none;
    }

    .problem-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .feature-card.featured {
        grid-column: span 1;
    }

    .audience-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .cloud-hero {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
    }

    .cloud-hero-visual {
        order: -1;
    }

    .cloud-features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        padding-top: calc(60px + var(--space-3xl));
    }

    .hero-title {
        font-size: 2rem;
    }

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

    .hero-cta {
        flex-direction: column;
    }

    .hero-stats {
        gap: var(--space-xl);
    }

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

    .problem-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }

    .demo-panel.active {
        grid-template-columns: 1fr;
    }

    .demo-tabs {
        flex-wrap: wrap;
    }

    .arch-boxes {
        flex-direction: column;
        align-items: center;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .cloud-hero-content h3 {
        font-size: 1.5rem;
    }

    .cloud-hero-content > p {
        font-size: 1rem;
    }

    .cloud-hero-cta {
        flex-direction: column;
    }

    .cloud-features-grid {
        grid-template-columns: 1fr;
    }

    .dashboard-main {
        grid-template-columns: 1fr;
    }

    .dashboard-chart {
        grid-column: span 1;
    }

    .comparison-table {
        font-size: 0.75rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: var(--space-sm) var(--space-xs);
    }

    .comparison-table th:first-child,
    .comparison-table td:first-child {
        width: 35%;
    }

    .comparison-table th:not(:first-child),
    .comparison-table td:not(:first-child) {
        width: 21.67%;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
}