body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background-color: #111;
  color: #eee;
}
header {
  text-align: center;
  padding: 2rem 1rem;
  background-color: #000;
}
header h1 {
  font-size: 2.5rem;
  margin: 0;
}
.tagline {
  font-size: 1rem;
  color: #aaa;
  margin-top: 0.5rem;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  padding: 2rem;
}
.category {
  position: relative;
  display: block;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 0 12px rgba(0,0,0,0.6);
}
.category img {
  width: 100%;
  height: auto;
  display: block;
  transition: 0.4s;
}
.category span {
  position: absolute;
  bottom: 0;
  left: 0;
  padding: 0.5rem 1rem;
  background: rgba(0,0,0,0.6);
  color: #fff;
  font-weight: bold;
  width: 100%;
  text-align: center;
}
footer {
  text-align: center;
  padding: 2rem 1rem;
  background-color: #000;
  color: #555;
  font-size: 0.9rem;
}