body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

header {
    background-color: #333;
    color: white;
    padding: 1rem;
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav a {
    color: white;
    margin-right: 1rem;
    text-decoration: none;
}

main {
    padding: 1rem;
}

img {
    max-width: 100%;
}

footer {
    background-color: #f2f2f2;
    text-align: center;
    padding: 1rem;
    margin-top: 2rem;
}


/* menu centreren */
nav ul {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 30px;
}
/* ========== Navigatie ========== */
@media (max-width: 768px) {
  header {
    padding: 0.75rem;
  }

  nav {
    padding: 0.75rem;
  }

  nav ul {
    position: static;
    transform: none;
    flex-direction: column;
  }
}

@media (max-width: 768px) and (orientation: landscape) {
  header h1 {
    display: none;
  }
}

nav {
  background-color: #1e3a5f;
  color: #cccccc;
  padding: 1rem;
  display: flex;
  align-items: center;
  position: relative;
 
}

/* Hamburger icon */
#hamburger-icon {
  cursor: pointer;
  margin-left: 15px;
}

/* Checkbox verbergen */
#menu-checkbox {
  display: none;
}
.logo img {
  height: 40px;
  width: auto;
  object-fit: contain;
}
/* ========== Menu (ul) ========== */

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: none; /* standaard verborgen */
}

/* Menu tonen wanneer checkbox is aangevinkt */
#menu-checkbox:checked + ul {
  display: block;
}

/* Links */
nav a {
  display: block;
  padding: 0.3rem 0.5rem;
  color: #9a9a9a;
  text-decoration: none;
}

/* Hover-effect */
nav a:hover {
  text-decoration: underline;
}

/* Active link */
nav a.active {
  color: #ffffff;
}

nav a.active:hover {
  text-decoration: none;
}

@media (min-width: 768px) {

  /* Hamburger verbergen */
  nav label {
    display: none;
  }

  /* Menu altijd zichtbaar */
  nav ul {
    display: flex;
  }

  nav li {
    margin-right: 1rem;
  }

  /* Main centreren en beperken */
  main {
    max-width: 640px;
    margin: 0 auto;
  }
}
/* Mooie achtergrond */
body {
  background: linear-gradient(to right, #eef2f7, #f9fbfd);
}

/* Header upgrade */
header {
  background: linear-gradient(135deg, #3477b1, #00f2fe);
  box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

/* Navigatie hover effect */
nav a {
  transition: 0.3s;
}

nav a:hover {
  color: #222;
  transform: scale(1.05);
}

/* Cards effect voor sections */
section {
  background: white;
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 20px;

  /* zachte schaduw */
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);

  /* kleine animatie */
  transition: 0.3s;
}

section:hover {
  transform: translateY(-5px);
}

/* Titels mooier */
h2 {
  color: #4facfe;
  margin-bottom: 10px;
}

/* Afbeeldingen mooier */
img {
  border-radius: 10px;
  margin-top: 10px;
}

/* Video afronden */
video {
  border-radius: 10px;
}

/* Footer donkerder */
footer {
  background: #222;
  color: #fff;
}

/* Kleine animatie bij laden */
section {
  animation: fadeIn 0.6s ease-in;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.werking-lijst li {
  margin-bottom: 15px;
}
/* checkbox verbergen */
#menu-checkbox {
  display: none;
}

/* standaard menu */
nav ul {
  display: flex;
}

/* mobile */
@media (max-width: 768px) {

  nav ul {
    display: none;
    flex-direction: column;
  }

  #menu-checkbox:checked + ul {
    display: flex;
  }

  #hamburger-icon {
    display: block;
    width: 30px;
    cursor: pointer;
  }
}
#hamburger-icon {
  display: none;
  width: 30px;
}

/* mobiel */
@media (max-width: 768px) {

  #hamburger-icon {
    display: block;
  }

  nav ul {
    display: none;
    flex-direction: column;
    width: 100%;
  }
}

@media (min-width: 769px) {
  nav ul {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
  }
}
@media (max-width: 768px) {

  nav {
    flex-wrap: wrap;
  }

  nav ul {
    width: 100%;        /* volledig onder navbar */
    order: 3;           /* onder alles plaatsen */
    display: none;
    flex-direction: column;
    margin-top: 10px;
  }

  #menu-checkbox:checked ~ ul {
    display: flex;
  }

  #hamburger-icon {
    display: block;
  }
}