body {
  margin: 0;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  color: #222;
  background: #f9f9f9;
  line-height: 1.6;
  padding: 1rem;
}

header {
  text-align: center;
  margin-bottom: 2rem;
}

h1 {
  font-size: 2rem;
  color: #004d61;
}

h2 {
  font-size: 1.4rem;
  margin: 1rem 0;
}

p {
  margin: 0.5rem 0 1rem 0;
}

button.cta {
  display: block;
  margin: 2rem auto;
  padding: 1rem 2rem;
  background: #004d61;
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 1.1rem;
  cursor: pointer;
  transition: background 0.2s ease;
}

button.cta:hover {
  background: #007c9c;
}

footer {
  text-align: center;
  margin-top: 3rem;
  font-size: 0.9rem;
  color: #555;
}

openai-chatkit {
  display: block;
  width: 100%;
  height: 100vh;
  border: none;
}