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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: #000000;
    color: #ffffff;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 3rem 2rem;
    flex: 1;
}

header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid #333333;
}

.logo {
    width: 72px;
    height: 72px;
    border-radius: 12px;
}

.header-text {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.subtitle {
    font-size: 0.9rem;
    color: #888888;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.tagline {
    font-size: 1.15rem;
    color: #aaaaaa;
    margin-bottom: 3rem;
    line-height: 1.7;
    max-width: 800px;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.feature-card {
    background: #111111;
    border: 1px solid #333333;
    padding: 1.5rem;
    transition: all 0.2s ease;
}

.feature-card:hover {
    background: #1a1a1a;
    border-color: #555555;
    transform: translateY(-2px);
}

.feature-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.feature-card p {
    line-height: 1.6;
    color: #999999;
    font-size: 0.95rem;
}

.links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.link-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    background: #ffffff;
    color: #000000;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.2s ease;
    border: 1px solid #ffffff;
}

.link-button:hover {
    background: #000000;
    color: #ffffff;
}

.link-button.secondary {
    background: transparent;
    border: 1px solid #555555;
    color: #aaaaaa;
}

.link-button.secondary:hover {
    border-color: #ffffff;
    color: #ffffff;
}

footer {
    background: #111111;
    border-top: 1px solid #333333;
    padding: 1.5rem 2rem;
}

.footer-content {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-brand {
    font-size: 1rem;
    font-weight: 600;
    color: #ffffff;
}

.footer-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.85rem;
    color: #666666;
}

.separator {
    opacity: 0.5;
}

.version, .build {
    font-family: 'SF Mono', 'Fira Code', Consolas, monospace;
    font-size: 0.8rem;
}

@media (max-width: 768px) {
    .container {
        padding: 2rem 1.5rem;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .logo {
        width: 56px;
        height: 56px;
    }
    
    .features {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}