.container {
  max-width: 800px;
  margin: 100px auto;
  padding: 40px;
  border-radius: 15px;
  background: var(--container-bg);
  box-shadow: 0 6px 18px rgba(0,0,0,0.4);
  text-align: left;
}

h1 {
  font-size: 2.2em;
  margin-bottom: 0.6em;
}

h2 {
  font-size: 1.5em;
  margin: 1em 0 0.6em;
}