.btn {
  display:inline-block;
  padding:0.45rem 0.8rem;
  border-radius:8px;
  border:1px solid #d9d9d9;
  text-decoration:none;
  color: #111;
  background: transparent;
  margin-right:8px;
}
.hero-columns { display:flex; gap:1rem; align-items:center; }