body {
    font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.7;
    margin: 0;
    color: #222;
    background: #f9fafb;
}
header {
    color: #fff;
    padding: 40px 20px;
    text-align: center;
}
header p a {
    background: #fff;
    padding: 10px 20px;
    color: #111;
}
main {
    max-width: 900px;
    margin: 50px auto;
    background: #fff;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
h1 {
    font-size: 2.2rem;
    margin-bottom: 10px;
}
h2 {
    margin-top: 30px;
    font-size: 1.4rem;
    color: #111827;
}
ul {
    margin: 10px 0 20px 25px;
}
footer {
    text-align: center;
    font-size: 0.9rem;
    color: #64748b;
    margin: 50px 0 30px;
}
a {
    color: #2563eb;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}
#starfield {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}