body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background-color: #0f172a;
    color: #f1f5f9;
    line-height: 1.6;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 60px 20px;
}

.hero {
    background: linear-gradient(135deg, #0f172a, #1e293b);
    text-align: center;
}

h1 {
    font-size: 42px;
    margin-bottom: 10px;
}

h2 {
    font-size: 20px;
    font-weight: normal;
    color: #94a3b8;
}

.highlight {
    margin-top: 20px;
    font-weight: bold;
    color: #38bdf8;
}

.block {
    background-color: #1e293b;
}

.block.alt {
    background-color: #111827;
}

h3 {
    font-size: 24px;
    margin-bottom: 15px;
}

.closing {
    margin-top: 20px;
    font-weight: bold;
    color: #38bdf8;
}

footer {
    background-color: #0f172a;
    text-align: center;
    font-size: 14px;
    color: #64748b;
}