body {
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  background-color: #f0f8ff;
  color: #003366;
}
header {
  background-color: #003366;
  color: white;
  text-align: center;
  padding: 1em;
}
header img {
  border-radius: 50%;
  max-width: 160px;
  margin: 1em auto;
  display: block;
}
nav {
  background-color: #005599;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
}
nav a {
  color: white;
  padding: 1em;
  text-decoration: none;
  font-weight: bold;
}
nav a:hover {
  background-color: #004080;
}
section {
  padding: 2em;
  max-width: 1000px;
  margin: auto;
}
footer {
  background-color: #003366;
  color: white;
  text-align: center;
  padding: 1em;
  margin-top: 2em;
}
.swiper {
  width: 100%;
  padding: 2em 0;
}
.swiper-slide {
  text-align: center;
  padding-bottom: 3em;
}
video {
  max-width: 100%;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0,0,0,0.2);
}
.swiper-pagination {
  position: static;
  margin-top: 1em;
  text-align: center;
  z-index: 1;
}