body {
  font-family: Arial, Helvetica, sans-serif;
  margin: 0;
  padding: 30px;
  text-align: center;
  background: #ffffff;
  color: #111;
}

header h1 {
  font-size: 1.4rem;
  margin-bottom: 10px;
}

nav {
  margin-bottom: 40px;
}

nav a {
  margin: 0 12px;
  text-decoration: none;
  font-weight: bold;
  color: #000;
}

section {
  margin-bottom: 60px;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  max-width: 1100px;
  margin: 0 auto;
}

.gallery img {
  width: 100%;
  height: auto;
  display: block;
}

footer {
  margin-top: 60px;
  font-size: 0.8rem;
  color: #666;
}