:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a25;
    --bg-card: #1e1e2e;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #606070;
    --accent-primary: #ff6b35;
    --accent-secondary: #f7931e;
    --accent-gradient: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
    --success: #4ade80;
    --info: #60a5fa;
    --border: rgba(255, 255, 255, 0.1);
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.6);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo {
    font-size: 1.5rem;
}

.brand-text {
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.2s;
}

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

/* Buttons */
.btn-primary {
    background: var(--accent-gradient);
    color: white;
    border: none;
    padding: 0.5rem 1.25rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(255, 107, 53, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
    padding: 0.5rem 1.25rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s;
}

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
    border-radius: 12px;
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8rem 4rem 4rem;
    gap: 4rem;
    background: radial-gradient(ellipse at top right, rgba(255, 107, 53, 0.1) 0%, transparent 50%),
                radial-gradient(ellipse at bottom left, rgba(247, 147, 30, 0.05) 0%, transparent 50%);
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.badge {
    display: inline-block;
    background: rgba(255, 107, 53, 0.15);
    color: var(--accent-primary);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #fff 0%, #a0a0b0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    gap: 3rem;
}

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

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-primary);
}

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

/* Hero Visual */
.hero-visual {
    flex: 1;
    max-width: 600px;
}

.desktop-preview {
    position: relative;
}

.window {
    background: var(--bg-card);
    border-radius: 12px;
    border: 1px solid var(--border);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.window-header {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border);
}

.window-controls {
    display: flex;
    gap: 0.5rem;
    margin-right: 1rem;
}

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

.control.close { background: #ff5f57; }
.control.minimize { background: #ffbd2e; }
.control.maximize { background: #28c840; }

.window-title {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
}

.window-content {
    padding: 1.5rem;
}

.terminal {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.875rem;
}

.terminal-line {
    margin-bottom: 0.5rem;
}

.prompt {
    color: var(--accent-primary);
    margin-right: 0.5rem;
}

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

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

.cursor {
    color: var(--accent-primary);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.chat-overlay {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1rem;
    box-shadow: var(--shadow-lg);
    max-width: 280px;
}

.chat-bubble {
    font-size: 0.875rem;
}

.chat-bubble.agent {
    color: var(--text-primary);
}

/* Features */
.features {
    padding: 6rem 4rem;
    background: var(--bg-secondary);
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-primary);
    box-shadow: 0 8px 30px rgba(255, 107, 53, 0.15);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* Demo */
.demo {
    padding: 6rem 4rem;
}

.demo h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
}

.demo-container {
    display: flex;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.demo-sidebar {
    flex: 0 0 280px;
}

.demo-sidebar h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.command-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.command-btn {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1rem;
    color: var(--text-primary);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s;
    text-align: left;
}

.command-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-primary);
}

.demo-preview {
    flex: 1;
}

/* Mock Desktop */
.mock-desktop {
    background: var(--bg-secondary);
    border-radius: 16px;
    border: 1px solid var(--border);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    aspect-ratio: 16/10;
    display: flex;
    flex-direction: column;
    position: relative;
}

.mock-taskbar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border);
}

.taskbar-item {
    padding: 0.375rem 1rem;
    border-radius: 6px;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    background: var(--bg-card);
}

.taskbar-item.active {
    background: var(--accent-gradient);
    color: white;
}

.taskbar-time {
    margin-left: auto;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
}

.mock-desktop-content {
    flex: 1;
    padding: 1.5rem;
    display: flex;
    gap: 1rem;
}

.mock-window {
    background: var(--bg-card);
    border-radius: 10px;
    border: 1px solid var(--border);
    overflow: hidden;
    width: 200px;
}

.mock-header {
    padding: 0.5rem 0.75rem;
    background: var(--bg-tertiary);
    font-size: 0.8125rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
}

.mock-files {
    padding: 0.75rem;
}

.mock-file {
    padding: 0.5rem;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    border-radius: 4px;
}

.mock-file:hover {
    background: var(--bg-tertiary);
}

/* Mock Chat */
.mock-chat {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-card);
    border-top: 1px solid var(--border);
}

.mock-chat-header {
    padding: 0.5rem 1rem;
    background: var(--bg-tertiary);
    font-size: 0.8125rem;
    font-weight: 600;
    border-bottom: 1px solid var(--border);
}

.mock-chat-messages {
    padding: 1rem;
    max-height: 150px;
    overflow-y: auto;
}

.message {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

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

.message .avatar {
    font-size: 1.25rem;
}

.message .text {
    font-size: 0.875rem;
    line-height: 1.5;
}

.mock-chat-input {
    display: flex;
    padding: 0.75rem 1rem;
    gap: 0.5rem;
    border-top: 1px solid var(--border);
}

.mock-chat-input input {
    flex: 1;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.5rem 1rem;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.mock-chat-input input::placeholder {
    color: var(--text-muted);
}

.mock-chat-input button {
    background: var(--accent-gradient);
    border: none;
    border-radius: 8px;
    padding: 0.5rem 1rem;
    color: white;
    cursor: pointer;
    font-size: 1rem;
}

/* CTA Section */
.cta-section {
    padding: 6rem 4rem;
    text-align: center;
    background: radial-gradient(ellipse at center, rgba(255, 107, 53, 0.1) 0%, transparent 70%);
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-content p {
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: 2rem;
}

/* Footer */
footer {
    padding: 3rem 4rem 2rem;
    border-top: 1px solid var(--border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero {
        flex-direction: column;
        padding: 6rem 2rem 4rem;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .demo-container {
        flex-direction: column;
    }
    
    .demo-sidebar {
        flex: none;
    }
}

@media (max-width: 640px) {
    .navbar {
        padding: 1rem;
    }
    
    .nav-links a {
        display: none;
    }
    
    .hero {
        padding: 5rem 1rem 3rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .features,
    .demo,
    .cta-section {
        padding: 4rem 1rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
}