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

:root {
    --max-width: 1200px;
    --text-primary: #000;
    --text-secondary: #666;
    --bg-primary: #fff;
    --bg-secondary: #f7f7f7;
    --border-color: #e5e5e5;
    --accent: #000;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    padding: 0 24px;
    height: 60px;
    display: flex;
    align-items: center;
}

.nav-container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}

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

/* Hero */
.hero {
    padding: 180px 24px 120px;
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-container {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.hero-title {
    font-size: 64px;
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -2px;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 48px;
    font-weight: 400;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    padding: 12px 24px;
    background: var(--accent);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    font-size: 16px;
    transition: opacity 0.2s;
}

.btn-primary:hover {
    opacity: 0.8;
}

/* Features */
.features {
    padding: 80px 24px;
    background: var(--bg-secondary);
}

.section-container {
    max-width: var(--max-width);
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 48px;
}

.feature-card {
    background: var(--bg-primary);
    padding: 32px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 15px;
}

/* Setup */
.setup {
    padding: 80px 24px;
    background: var(--bg-primary);
}

.setup h2 {
    font-size: 48px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 64px;
    letter-spacing: -1px;
}

.setup-steps {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 48px;
}

.setup-step {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.step-header {
    display: flex;
    align-items: center;
    gap: 16px;
}

.step-number {
    width: 32px;
    height: 32px;
    background: var(--accent);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
    flex-shrink: 0;
}

.step-header h3 {
    font-size: 20px;
    font-weight: 600;
    letter-spacing: -0.5px;
}

.setup-step p {
    color: var(--text-secondary);
    margin-left: 48px;
    line-height: 1.6;
}

.setup-step pre {
    margin-left: 48px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    overflow-x: auto;
}

.setup-step code {
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', monospace;
    font-size: 14px;
    color: var(--text-primary);
}

/* Footer */
.footer {
    padding: 48px 24px 24px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-primary);
}

.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 48px;
}

.footer-section {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-section h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.footer-section p {
    color: var(--text-secondary);
    font-size: 14px;
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}

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

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-bottom p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar {
        padding: 0 16px;
    }
    
    .nav-links {
        gap: 20px;
    }
    
    .nav-links a {
        font-size: 13px;
    }
    
    .hero {
        padding: 140px 16px 80px;
    }
    
    .hero-title {
        font-size: 40px;
        letter-spacing: -1px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .features,
    .setup {
        padding: 60px 16px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .setup h2 {
        font-size: 32px;
    }
    
    .setup-step pre,
    .setup-step p {
        margin-left: 0;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 32px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .nav-links {
        gap: 16px;
    }
    
    .nav-links a {
        font-size: 12px;
    }
}