body {
  margin: 0;
  font-family: system-ui, sans-serif;
  background: #f6f7f9;
  color: #222;
}

.hero {
  text-align: center;
  padding: 4rem 1rem;
  background: #ffffff;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
  padding: 3rem;
  max-width: 1100px;
  margin: auto;
}

.card {
  background: #fff;
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 8px 24px rgba(0,0,0,0.05);
  text-align: center;
}

.card img {
  width: 100%;
  border-radius: 8px;
}

.btn {
  display: inline-block;
  margin-top: 1rem;
  text-decoration: none;
  color: #fff;
  background: #111;
  padding: 0.6rem 1.2rem;
  border-radius: 6px;
}