body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f5f5f5;
  color: #333;
}

header {
  background-color: #00274d; /* Navy Blue */
  padding: 20px 0;
  text-align: center;
}

.top-logo {
  width: 800px;
  margin-bottom: 20px;
}

.nav-menu {
  list-style-type: none;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  background-color: #d90429; /* Red */
}

.nav-menu li {
  margin: 0 15px;
}

.nav-menu a {
  text-decoration: none;
  color: white;
  font-weight: bold;
  padding: 14px 16px;
  display: inline-block;
}

.nav-menu a:hover {
  background-color: #ffffff;
  color: #00274d;
  border-radius: 4px;
}

.intro {
  text-align: center;
  padding: 40px 20px;
  background-color: #ffffff;
}

.intro p {
  font-size: 1.2em;
  max-width: 800px;
  margin: 0 auto 30px auto;
  color: #00274d;
}

.main-image {
  width: 80%;
  max-width: 1000px;
  height: auto;
  border: 3px solid #d90429;
  border-radius: 8px;
}

footer {
  background-color: #00274d;
  color: white;
  text-align: center;
  padding: 20px 0;
  font-size: 0.9em;
}