body {
    background: #f8f9fa;
}

.page-hero {
    background: linear-gradient(135deg, #005b96, #009fc2);
    color: #fff;
    margin-top: 30px;
    padding: 64px 0;
    margin-bottom: 24px;
}

.card {
    border: 0;
    border-radius: 1rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.toc a {
    text-decoration: none;
}

.footer-link {
    color: #6c757d;
    text-decoration: none;
}

.footer-link:hover {
    text-decoration: underline;
}

h2,
h3 {
    scroll-margin-top: 90px;
}