body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #0b0b0f;
  color: #f5f5f5;
  text-align: center;
}

header {
  background: linear-gradient(90deg, #7d3cff, #00d4ff);
  padding: 2rem;
}

header h1 {
  margin: 0;
  font-size: 2.5rem;
}

.hero {
  padding: 3rem 1rem;
}

.btn {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.8rem 1.5rem;
  background: #7d3cff;
  color: white;
  text-decoration: none;
  border-radius: 5px;
}

.about, #contact {
  padding: 2rem 1rem;
}

/* simple top nav */
.topnav { display:flex; gap:1rem; justify-content:center; padding:1rem; }
.topnav a { color:#bfbff8; text-decoration:none; }
.topnav a:hover { text-decoration:underline; }

/* footer */
footer {
  max-width: 960px;
  margin: 3rem auto 2rem;
  padding: 1rem;
  background: #111;
  text-align: center;
  color: #bfbff8;
  opacity: .9;
  font-size: .9rem;
}
footer a { color: #bfbff8; }