body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  margin: 0;
  font-family: Arial, sans-serif;
  background: #a8e6cf; /* tropisch zacht groen */
  color: #333;
}

header {
  background: #379683;
  color: #fff;
  padding: 1rem;
  text-align: center;
}

nav {
  background: #57a773;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
}

nav a {
  color: #fff;
  text-decoration: none;
  padding: 1rem;
}

nav a:hover {
  background: #379683;
}

main {
  flex: 1;
  padding: 2rem;
  text-align: center;
}

footer {
  background: #379683;
  color: #fff;
  text-align: center;
  padding: 1rem;
}

/* Responsive */
@media (max-width: 768px) {
  nav { flex-direction: column; }
  main { padding: 1rem; }
}

@media (max-width: 480px) {
  header h1 { font-size: 1.5rem; }
  nav a { padding: 0.75rem; font-size: 0.9rem; }
  main h2 { font-size: 1.2rem; }
}