body {
  font-family: Arial, sans-serif;
  margin: 0;
  background: #f5f5f5;
  color: #333;
}

header {
  background: #0a4d68;
  color: white;
  padding: 30px;
  text-align: center;
}

section {
  padding: 30px;
  background: white;
  margin: 20px;
  border-radius: 8px;
}

h1, h2 {
  margin-top: 0;
}

.btn {
  display: inline-block;
  margin: 10px;
  padding: 12px 20px;
  background: #00b4d8;
  color: white;
  text-decoration: none;
  border-radius: 6px;
}

.btn.secondary {
  background: #6c757d;
}

footer {
  text-align: center;
  padding: 20px;
  font-size: 14px;
  color: #777;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.gallery img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 10px;
}