:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #3b82f6;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --background: #ffffff;
    --surface: #f9fafb;
    --border: #e5e7eb;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    
    --font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --border-radius: 8px;
    --border-radius-lg: 12px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

header {
    padding: 2rem 0 1rem;
}

.logo h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -0.025em;
}

main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 0;
}

.hero {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.tagline {
    font-size: clamp(2.25rem, 4vw, 3.5rem);
    font-weight: 600;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    letter-spacing: -0.025em;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 4rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 400;
    line-height: 1.5;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
    padding: 0 1rem;
}

.feature {
    padding: 2rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-lg);
    transition: all 0.3s ease;
}

.feature:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-color);
}

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

.feature h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.feature p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

.cta {
    margin-top: 3rem;
}

.coming-soon {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: 500;
    letter-spacing: 0.025em;
    box-shadow: var(--shadow-md);
}

footer {
    margin-top: auto;
    padding: 2rem 0;
    border-top: 1px solid var(--border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

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

.footer-links {
    display: flex;
    gap: 1.5rem;
}

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

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

@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }
    
    header {
        padding: 1.5rem 0 0.5rem;
    }
    
    .hero {
        padding: 1rem 0;
    }
    
    .tagline {
        font-size: 2.25rem;
        margin-bottom: 1rem;
    }
    
    .subtitle {
        font-size: 1.1rem;
        margin-bottom: 3rem;
    }
    
    .features {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-bottom: 3rem;
    }
    
    .feature {
        padding: 1.5rem;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .tagline {
        font-size: 1.875rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .feature {
        padding: 1.25rem;
    }
    
    .coming-soon {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .feature:hover {
        transform: none;
    }
}