/* Algemene stijl */
body {
  font-family: system-ui, Arial, sans-serif;
  margin: 0;
  background: #f4f7fb;
  color: #333;
}

/* Header */
header {
  background: #005bbb;
  color: white;
  text-align: center;
  padding: 1.5rem;
}

header h1 {
  margin: 0;
}

/* Lijst en knoppen */
main {
  max-width: 700px;
  margin: 2rem auto;
  padding: 0 1rem;
}

ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

ul li a {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1rem;
  background: white;
  border: 2px solid #005bbb;
  border-radius: 10px;
  text-decoration: none;
  font-size: 1.2rem;
  font-weight: bold;
  color: #005bbb;
  transition: 0.2s;
}

ul li a .link-sub {
  font-size: 0.8rem;
  font-weight: normal;
  color: #555;
  margin-top: 0.3rem;
}

ul li a:hover {
  background: #005bbb;
  color: white;
}

ul li a:hover .link-sub {
  color: #e0e0e0;
}