body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.6;
  background: #f9f9f9;
}

header {
  background: #003366;
  color: #fff;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

header img {
  max-height: 60px;
}

nav ul {
  list-style: none;
  padding: 0;
  margin: 10px 0 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

nav ul li {
  margin: 0;
}

nav ul li a, nav ul li select {
  color: white;
  text-decoration: none;
  padding: 6px 12px;
  background-color: #004080;
  border: none;
  border-radius: 4px;
}

section {
  padding: 20px;
  max-width: 800px;
  margin: auto;
  background: #fff;
  margin-top: 10px;
  border-radius: 8px;
}

form input, form select, form button {
  width: 100%;
  padding: 10px;
  margin-top: 10px;
  box-sizing: border-box;
}

form button {
  background: #0066cc;
  color: white;
  border: none;
  cursor: pointer;
  border-radius: 4px;
}

form button:hover {
  background: #004999;
}

footer {
  text-align: center;
  padding: 15px;
  background: #eee;
  margin-top: 20px;
}

@media (max-width: 600px) {
  header {
    flex-direction: column;
    align-items: flex-start;
  }

  nav ul {
    flex-direction: column;
    width: 100%;
  }

  nav ul li {
    width: 100%;
  }

  nav ul li a, nav ul li select {
    width: 100%;
    text-align: left;
  }
}