body {
  font-family: Arial, sans-serif;
  background: #0d1117;
  color: #f5f5f5;
  text-align: center;
  padding: 50px;
  line-height: 1.6;
}
h1 {
  font-size: 2.5em;
  margin-bottom: 0.5em;
  color: #58a6ff;
}
p {
  font-size: 1.2em;
  max-width: 600px;
  margin: 0 auto 1em;
}
.tagline {
  font-style: italic;
  color: #9cdcfe;
  margin-bottom: 1.5em;
}
.email {
  margin-top: 2em;
  font-size: 1em;
  color: #58a6ff;
}
.email a {
  color: #58a6ff;
  text-decoration: none;
}
.email a:hover {
  text-decoration: underline;
}
footer {
  margin-top: 4em;
  font-size: 0.9em;
  color: #8b949e;
}