/* CSS Variables for consistent theming */
:root {
    --primary-color: #E53E3E;
    --secondary-color: #667eea;
    --accent-color: #f093fb;
    --text-dark: #2d3748;
    --text-light: #718096;
    --bg-light: #f7fafc;
    --bg-white: #ffffff;
    --border-light: #e2e8f0;
    --gradient-primary: linear-gradient(135deg, #E53E3E 0%, #C62828 100%);
    --gradient-secondary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-accent: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.2);
    --border-radius: 16px;
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--bg-light);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 0.5rem;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-light);
    z-index: 1000;
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-logo i {
    font-size: 1.5rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    z-index: -2;
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(229, 62, 62, 0.9) 0%, rgba(102, 126, 234, 0.8) 50%, rgba(240, 147, 251, 0.9) 100%);
    z-index: -1;
}

.hero-content {
    text-align: center;
    color: white;
    z-index: 1;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
}

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

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

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.btn-demo {
    background: var(--gradient-secondary);
    color: white;
}

.btn-demo.featured {
    background: var(--gradient-accent);
}

.btn-demo:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-docs {
    background: transparent;
    color: var(--text-dark);
    border: 2px solid var(--border-light);
}

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

/* Section styling */
section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* Demos Section */
.demos {
    background: var(--bg-white);
}

.demos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.demo-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 2.5rem;
    box-shadow: var(--shadow-sm);
    border: 2px solid var(--border-light);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.demo-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--secondary-color);
}

.demo-card.featured {
    border: 2px solid var(--accent-color);
    background: linear-gradient(135deg, rgba(240, 147, 251, 0.05) 0%, rgba(245, 87, 108, 0.05) 100%);
}

.featured-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--gradient-accent);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.demo-header {
    margin-bottom: 2rem;
}

.demo-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-secondary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    color: white;
}

.demo-icon.agentic {
    background: var(--gradient-accent);
}

.demo-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.demo-description {
    color: var(--text-light);
    line-height: 1.6;
}

.demo-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin: 2rem 0;
}

.feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-dark);
}

.feature i {
    color: var(--secondary-color);
    width: 16px;
}

.demo-example {
    background: var(--bg-light);
    border-radius: 12px;
    padding: 1.5rem;
    margin: 2rem 0;
}

.example-input {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-style: italic;
    color: var(--text-dark);
}

.example-input i {
    color: var(--secondary-color);
}

.example-arrow {
    text-align: center;
    color: var(--text-light);
    margin: 0.5rem 0;
}

.example-output {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 0.9rem;
    background: white;
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid var(--border-light);
}

.example-output i {
    color: var(--primary-color);
}

.example-steps {
    margin-top: 1rem;
}

.step {
    padding: 0.5rem 0;
    font-size: 0.9rem;
    color: var(--text-dark);
    border-left: 3px solid var(--accent-color);
    padding-left: 1rem;
    margin: 0.5rem 0;
}

.demo-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--secondary-color);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-secondary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

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

/* Technology Stack */
.tech-stack {
    background: white;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.tech-item {
    text-align: center;
    padding: 1.5rem;
}

.tech-logo {
    width: 60px;
    height: 60px;
    background: var(--gradient-secondary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
    color: white;
}

.tech-logo.claude {
    background: var(--gradient-accent);
}

.tech-item h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.tech-item p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Setup Section */
.setup {
    background: var(--bg-light);
}

.setup-steps {
    display: grid;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.step-card {
    display: flex;
    align-items: center;
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    gap: 2rem;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-content h3 {
    margin-bottom: 1rem;
}

.code-block {
    display: flex;
    align-items: center;
    background: #1a202c;
    color: #e2e8f0;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    font-family: 'Monaco', 'Menlo', monospace;
    position: relative;
}

.copy-btn {
    position: absolute;
    right: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: white;
    padding: 0.5rem;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.copy-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.setup-note {
    display: flex;
    gap: 1.5rem;
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--accent-color);
}

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

.note-content h4 {
    margin-bottom: 1rem;
}

.note-content ul {
    list-style: none;
    padding: 0;
}

.note-content li {
    padding: 0.25rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.note-content li::before {
    content: "•";
    color: var(--accent-color);
    position: absolute;
    left: 0;
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: white;
}

.footer-section p {
    color: #a0aec0;
    line-height: 1.6;
}

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

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #a0aec0;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid #4a5568;
    padding-top: 1rem;
    text-align: center;
    color: #a0aec0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .demos-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .demo-card {
        padding: 1.5rem;
    }
    
    .demo-features {
        grid-template-columns: 1fr;
    }
    
    .demo-actions {
        flex-direction: column;
    }
    
    .step-card {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .code-block {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
    
    .copy-btn {
        position: static;
        align-self: center;
    }
    
    .nav-links {
        gap: 1rem;
    }
    
    .nav-link {
        font-size: 0.9rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .nav-container {
        padding: 0 1rem;
    }
    
    .nav-links {
        flex-direction: column;
        gap: 0.5rem;
    }
}

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

.demo-card,
.feature-card,
.tech-item {
    animation: fadeInUp 0.6s ease-out;
}

/* Smooth scrolling for anchor links */
html {
    scroll-behavior: smooth;
}

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

/* Loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
}