body {
  font-family: system-ui, sans-serif;
  margin: 0;
  color: #1a1a1a;
  background: #fafafa;
}

header {
  text-align: center;
  padding: 4rem 1rem 2rem;
}

h1 {
  font-size: 2.5rem;
  margin: 0 0 0.5rem;
}

.hero-placeholder {
  max-width: 700px;
  margin: 2rem auto;
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed #ccc;
  border-radius: 12px;
  color: #888;
}