body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background: #f4f4f4;
  color: #333;
}

header {
  background: #005eb8;
  color: white;
  padding: 20px;
  text-align: center;
  position: sticky;
  top: 0;
  z-index: 1000;
}

nav {
  margin: 0 auto;
  max-width: 650px;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 20px;
  margin: 0 auto;
  padding: 0 auto;
}

nav ul li {
  margin: 0 auto;
  padding: 0 auto;
}

nav a {
  color: white;
  text-decoration: none;
  font-weight: 500;
}

nav a:focus, a:hover {
  background-color: white;
  color: #005eb8;
  padding: 10px 10px 10px 10px;
  text-decoration: none;
  font-weight: bold;
  border: 2px solid white;
  border-radius: 25%;
}

.menu-toggle {
  background: none;
  border: none;
  color: white;
  font-size: 1.6em;
  display: none;
  cursor: pointer;
}

@media (max-width: 600px) {
  nav ul {
    flex-direction: column;
    display: none;
    background-color: #005eb8;
    padding: 10px;
  }

  nav ul.show {
    display: flex;
  }

  .menu-toggle {
    display: block;
  }
}

section {
  padding: 40px 20px;
  background: white;
  margin: 10px 0;
  text-align: center;
  clear: both;
}

section p {
   margin: 0 auto;
   padding: 40px 20px;
}

h2, h3 {
  text-align: center;
  color: #005eb8;
}

.grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
}

.grid div {
  background: #e9f0f7;
  padding: 20px;
  border-radius: 8px;
  width: 300px;
  box-shadow: 0 0 5px rgba(0,0,0,0.1);
}

ul {
  padding-left: 20px;
}

footer {
  background: #333;
  color: white;
  text-align: center;
  padding: 30px 20px;
}

footer a {
  color: #ffd700;
  text-decoration: none;
}

@media (max-width: 600px) {
  .grid {
    flex-direction: column;
    align-items: center;
  }
}