body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #0b1120;
    color: #e5e7eb;
}

header {
    text-align: center;
    padding: 80px 20px;
}

header h1 {
    font-size: 3rem;
    margin-bottom: 10px;
}

header p {
    color: #67e8f9;
}

main {
    max-width: 900px;
    margin: auto;
    padding: 20px;
}

section {
    margin-bottom: 60px;
}

h2 {
    color: #67e8f9;
}