body {
  font-family: Arial, sans-serif;
  margin: 0;
  background-color: #f0f0f0;
  color: #222;
}

header {
  background-color: #075e54; /* WhatsApp-like primary */
  padding: 20px;
  color: white;
  text-align: center;
}

main {
  background: white;
  max-width: 900px;
  margin: 30px auto;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

h1, h2, h3 {
  color: #075e54;
}

ul {
  padding-left: 20px;
}

a {
  color: #128c7e; /* WhatsApp secondary */
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.last-updated {
  font-size: 0.9em;
  color: #eee;
}