/* ===== Basis ===== */
* {
  box-sizing: border-box;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.6;
  color: #222;
  background: #f7f9fb;
}

a {
  color: #0b5ed7;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* ===== Layout ===== */
header, footer {
  background: #ffffff;
  padding: 15px;
}

main {
  max-width: 900px;
  margin: 30px auto;
  padding: 30px;
  background: #ffffff;
  border-radius: 6px;
}

/* ===== Navigatie ===== */
nav {
  font-size: 14px;
}

nav a {
  margin-right: 10px;
  font-weight: bold;
}

/* ===== Koppen ===== */
h1 {
  font-size: 28px;
  margin-top: 0;
}

h2 {
  font-size: 20px;
  margin-top: 30px;
}

/* ===== Knoppen ===== */
.button {
  display: inline-block;
  padding: 10px 16px;
  background: #0b5ed7;
  color: #ffffff;
  border-radius: 4px;
  font-weight: bold;
}

.button:hover {
  background: #084298;
}

/* ===== Formulier ===== */
form {
  max-width: 500px;
}

label {
  display: block;
  margin-top: 15px;
  font-weight: bold;
}

input, textarea {
  width: 100%;
  padding: 10px;
  margin-top: 5px;
  border: 1px solid