/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --primary: #0066FF;
    --primary-dark: #0052CC;
    --secondary: #6366F1;
    --accent: #8B5CF6;
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    
    /* Neutrals */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F9FAFB;
    --bg-tertiary: #F3F4F6;
    --text-primary: #111827;
    --text-secondary: #6B7280;
    --text-tertiary: #9CA3AF;
    --border: #E5E7EB;
    
    /* Dark mode */
    --bg-dark: #0F172A;
    --bg-dark-secondary: #1E293B;
    --text-dark: #F1F5F9;
    --text-dark-secondary: #CBD5E1;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    
    /* Effects */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
}

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.logo-icon {
    font-size: 1.5rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

.nav-cta {
    background: var(--primary);
    color: white !important;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 6px;
    transition: all var(--transition-fast);
}

.nav-cta:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-fast);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--spacing-3xl) var(--spacing-lg) var(--spacing-2xl);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    opacity: 0.05;
    z-index: -1;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

/* Hero badge removed */

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

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

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

.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: white;
    color: var(--text-primary);
    border: 2px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* Code Window */
.code-window {
    background: var(--bg-secondary);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
    border: 1px solid var(--border);
}

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

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

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

.code-dots span:nth-child(1) { background: #EF4444; }
.code-dots span:nth-child(2) { background: #F59E0B; }
.code-dots span:nth-child(3) { background: #10B981; }

.code-title {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.code-content {
    padding: var(--spacing-lg);
    background: #1E293B;
    color: #E2E8F0;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.8;
}

.code-content .code-key { color: #7DD3FC; }
.code-content .code-string { color: #86EFAC; }
.code-content .code-number { color: #FBBF24; }
.code-content .code-comment { color: #94A3B8; }

/* Section Styles */
section {
    padding: var(--spacing-3xl) 0;
}

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

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

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

/* Features Section */
.features {
    background: var(--bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid var(--border);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Architecture Section */
.architecture-diagram {
    margin-bottom: var(--spacing-3xl);
    padding: var(--spacing-xl);
    background: var(--bg-secondary);
    border-radius: 16px;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
}

.architecture-diagram::-webkit-scrollbar {
    display: none;
}

.arch-flow::-webkit-scrollbar {
    display: none;
}

.arch-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: nowrap;
    min-width: 100%;
    overflow-x: hidden;
    padding: var(--spacing-md) 0;
}

.arch-step {
    background: white;
    padding: var(--spacing-lg);
    border-radius: 12px;
    text-align: center;
    min-width: 220px;
    width: 220px;
    flex: 0 0 auto;
    flex-shrink: 0;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
}

.arch-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.arch-step h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.arch-step p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.arch-arrow {
    font-size: 2rem;
    color: var(--primary);
    font-weight: 700;
    flex: 0 0 auto;
    flex-shrink: 0;
}

.tech-stack {
    margin-top: var(--spacing-3xl);
}

.tech-stack h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.tech-item {
    background: white;
    padding: var(--spacing-md);
    border-radius: 8px;
    border: 1px solid var(--border);
    text-align: center;
}

.tech-name {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.tech-desc {
    display: block;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Demo Section */
.demo {
    background: var(--bg-secondary);
}

.demo-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.demo-features {
    list-style: none;
    margin: var(--spacing-lg) 0;
}

.demo-features li {
    padding: var(--spacing-sm) 0;
    color: var(--text-secondary);
    font-size: 1.125rem;
}

.demo-code {
    background: #1E293B;
    padding: var(--spacing-lg);
    border-radius: 8px;
    margin-top: var(--spacing-lg);
}

.demo-code pre {
    color: #E2E8F0;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.8;
}

.demo-window {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
    border: 1px solid var(--border);
}

.demo-header {
    background: var(--bg-tertiary);
    padding: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    border-bottom: 1px solid var(--border);
}

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

.demo-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--text-tertiary);
}

.demo-title {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.demo-body {
    display: flex;
    min-height: 400px;
}

.demo-sidebar {
    width: 200px;
    background: var(--bg-secondary);
    padding: var(--spacing-md);
    border-right: 1px solid var(--border);
}

.demo-sidebar-item {
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    border-radius: 6px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.demo-sidebar-item.active {
    background: var(--primary);
    color: white;
}

.demo-main {
    flex: 1;
    padding: var(--spacing-lg);
}

.demo-form-group {
    margin-bottom: var(--spacing-lg);
}

.demo-form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.demo-form-group input,
.demo-form-group select {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-family: var(--font-primary);
}

.demo-checkbox {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
}

/* Getting Started Section */
.start-content {
    max-width: 900px;
    margin: 0 auto;
}

.start-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--border);
}

.start-tab {
    padding: var(--spacing-md) var(--spacing-lg);
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-bottom: -2px;
}

.start-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.start-panels {
    position: relative;
    min-height: 300px;
}

.start-panel {
    display: none;
}

.start-panel.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.code-block {
    background: #1E293B;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border);
}

.code-block .code-header {
    background: #0F172A;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #334155;
}

.code-block .code-header span {
    color: #94A3B8;
    font-size: 0.875rem;
    font-family: var(--font-mono);
}

.copy-btn {
    background: #334155;
    color: #E2E8F0;
    border: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    transition: all var(--transition-fast);
}

.copy-btn:hover {
    background: #475569;
}

.code-block pre {
    padding: var(--spacing-lg);
    margin: 0;
    overflow-x: auto;
    color: #E2E8F0;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.8;
}

.code-block .code-key { color: #7DD3FC; }
.code-block .code-string { color: #86EFAC; }
.code-block .code-number { color: #FBBF24; }
.code-block .code-boolean { color: #F472B6; }

/* Use Cases Section */
.use-cases {
    background: var(--bg-secondary);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.case-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
    text-align: center;
    transition: all var(--transition-base);
}

.case-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.case-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.case-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.case-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Documentation Section */
.docs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.doc-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-base);
    display: block;
}

.doc-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

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

.doc-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.doc-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Footer */
.footer {
    background: var(--text-primary);
    color: var(--text-dark);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer-section p {
    color: var(--text-dark-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.footer-section h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section ul li a {
    color: var(--text-dark-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-section ul li a:hover {
    color: white;
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.footer-social a {
    color: var(--text-dark-secondary);
    transition: color var(--transition-fast);
}

.footer-social a:hover {
    color: white;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .demo-content {
        grid-template-columns: 1fr;
    }
    
    .arch-flow {
        flex-wrap: nowrap;
        justify-content: flex-start;
        min-width: auto;
        overflow-x: auto;
        overflow-x: -moz-scrollbars-none;
        -ms-overflow-style: none;
        scrollbar-width: none;
        -webkit-overflow-scrolling: touch;
    }
    
    .arch-flow::-webkit-scrollbar {
        display: none;
    }
    
    .arch-arrow {
        flex: 0 0 auto;
    }
    
    .arch-step {
        min-width: 200px;
        width: 200px;
        flex-shrink: 0;
    }
    
    .architecture-diagram {
        overflow-x: auto;
        overflow-x: -moz-scrollbars-none;
        -ms-overflow-style: none;
        scrollbar-width: none;
    }
    
    .architecture-diagram::-webkit-scrollbar {
        display: none;
    }
    
    .features-grid,
    .cases-grid,
    .docs-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-cta {
        justify-content: center;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-card,
.case-card,
.doc-card {
    animation: fadeInUp 0.6s ease backwards;
}

.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }
.feature-card:nth-child(4) { animation-delay: 0.4s; }
.feature-card:nth-child(5) { animation-delay: 0.5s; }
.feature-card:nth-child(6) { animation-delay: 0.6s; }