body {
  font-family: "Helvetica Neue", sans-serif;
  background: #f7f7f7;
  color: #333;
  margin: 0;
  padding: 0;
}
header {
  text-align: center;
  background: #222;
  color: white;
  padding: 40px 20px;
}
.gallery, .video {
  padding: 20px;
  max-width: 900px;
  margin: auto;
}
.images {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
}
.images img {
  width: 250px;
  border-radius: 10px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}
video {
  width: 100%;
  max-width: 600px;
  border-radius: 10px;
  display: block;
  margin: auto;
}
footer {
  text-align: center;
  padding: 20px;
  background: #eee;
  margin-top: 40px;
}