/* Simple responsive layout */
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
  color: #222;
  background: #f4f4f4;
  display: flex;
  flex-direction: column;
  align-items: center;
}
header {
  text-align: center;
  padding: 2rem 0;
  background: #333;
  color: #fff;
  width: 100%;
}
header .tagline { font-size: 1.2rem; opacity: 0.8; }
.products {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  max-width: 960px;
  margin: 2rem;
}
.card {
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 1.5rem;
  width: 280px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.card h2 { margin-top: 0; }
.price { font-weight: bold; margin-top: 0.5rem; }
.cta {
  margin: 2rem;
}
.waitlist-button {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: #0066cc;
  color: #fff;
  text-decoration: none;
  border-radius: 4px;
  transition: background 0.3s;
}
.waitlist-button:hover { background: #004999; }
footer {
  text-align: center;
  padding: 1rem;
  background: #333;
  color: #ddd;
  width: 100%;
  font-size: 0.9rem;
}