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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    max-width: 800px;
    width: 100%;
    background: white;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    padding: 40px;
}

header {
    text-align: center;
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 2px solid #f0f0f0;
}

header h1 {
    font-size: 2.5em;
    color: #667eea;
    margin-bottom: 10px;
}

.subtitle {
    font-size: 1.1em;
    color: #666;
}

main {
    margin-bottom: 40px;
}

section {
    margin-bottom: 30px;
}

section h2 {
    font-size: 1.8em;
    color: #333;
    margin-bottom: 15px;
}

section p {
    font-size: 1.1em;
    color: #555;
    line-height: 1.8;
}

.links ul {
    list-style: none;
    padding: 0;
}

.links li {
    margin-bottom: 12px;
}

.links a {
    display: inline-block;
    color: #667eea;
    text-decoration: none;
    font-size: 1.1em;
    padding: 8px 16px;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.links a:hover {
    background-color: #667eea;
    color: white;
    transform: translateX(5px);
}

footer {
    text-align: center;
    padding-top: 20px;
    border-top: 2px solid #f0f0f0;
    color: #666;
    font-size: 0.9em;
}

@media (max-width: 600px) {
    .container {
        padding: 25px;
    }
    
    header h1 {
        font-size: 2em;
    }
    
    section h2 {
        font-size: 1.5em;
    }
}