body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #0f172a;
    color: #e5e7eb;
}

header {
    padding: 60px 20px;
    text-align: center;
    background: linear-gradient(135deg, #1e3a8a, #0f172a);
}

h1 {
    font-size: 2.5rem;
}

.buttons a {
    margin: 10px;
    padding: 12px 20px;
    background: #38bdf8;
    color: #0f172a;
    text-decoration: none;
    border-radius: 8px;
    font-weight: bold;
}

section {
    padding: 50px 20px;
    max-width: 900px;
    margin: auto;
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.card {
    background: #1e293b;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
}

.card:hover {
    background: #334155;
}

.cta {
    display: inline-block;
    margin-top: 20px;
    padding: 14px 22px;
    background: #22c55e;
    color: #022c22;
    text-decoration: none;
    border-radius: 10px;
    font-weight: bold;
}

footer {
    text-align: center;
    padding: 20px;
    background: #020617;
    font-size: 0.9rem;
}