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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 800px;
    width: 100%;
    padding: 40px;
}

header {
    text-align: center;
    margin-bottom: 40px;
}

h1 {
    font-size: 3em;
    color: #333;
    margin-bottom: 10px;
}

.branch-badge {
    display: inline-block;
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: bold;
    font-size: 0.9em;
    text-transform: uppercase;
}

.branch-badge.alpha {
    background: #667eea;
    color: white;
}

.branch-badge.beta {
    background: #f093fb;
    color: white;
}

.hero {
    text-align: center;
    margin-bottom: 40px;
    padding: 30px;
    background: linear-gradient(135deg, #667eea15 0%, #764ba215 100%);
    border-radius: 15px;
}

.hero h2 {
    font-size: 2em;
    color: #333;
    margin-bottom: 10px;
}

.hero p {
    font-size: 1.2em;
    color: #666;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.feature {
    padding: 25px;
    background: #f8f9fa;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.feature h3 {
    font-size: 1.5em;
    margin-bottom: 10px;
    color: #667eea;
}

.feature p {
    color: #666;
    line-height: 1.6;
}

footer {
    text-align: center;
    padding-top: 30px;
    border-top: 2px solid #eee;
    color: #666;
}

footer p {
    margin: 5px 0;
}

footer strong {
    color: #667eea;
}

.timestamp {
    font-size: 0.9em;
    color: #999;
}

@media (max-width: 600px) {
    h1 {
        font-size: 2em;
    }

    .hero h2 {
        font-size: 1.5em;
    }

    .features {
        grid-template-columns: 1fr;
    }
}