body {
  font-family: sans-serif;
  background: linear-gradient(to right, #fdfbfb, #ebedee);
  margin: 0;
  padding: 0;
}

header {
  text-align: center;
  padding: 40px 20px;
  background: linear-gradient(to right, #2193b0, #6dd5ed);
  color: white;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  max-width: 1200px;
  margin: auto;
  padding: 40px 20px;
}

.image-container {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease;
}

.image-container:hover {
  transform: scale(1.02);
}

.image-container img {
  width: 100%;
  display: block;
}