body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  background-color: #f4f7fb;
  color: #222;
  margin: 0;
  padding: 0;
}
header {
  background-color: #181d30;
  color: white;
  text-align: center;
  padding: 2em 1em;
}
header h1 {
  margin: 0;
  font-size: 2.5em;
}
main {
  padding: 2em 1em;
  max-width: 900px;
  margin: auto;
}
.intro, .content, .cta {
  margin-bottom: 3em;
}
h2 {
  color: #0d47a1;
  margin-top: 1.5em;
}
a {
  color: #1e88e5;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
.button {
  display: inline-block;
  margin-top: 1em;
  background-color: #0d47a1;
  color: white;
  padding: 0.75em 1.5em;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
}
footer {
  background-color: #181d30;
  color: #ccc;
  text-align: center;
  padding: 1em 0;
  font-size: 0.9em;
}