body {
  margin: 0;
  font-family: Arial, sans-serif;
  background-color: #0a0a0a;
  color: #f0f0f0;
  line-height: 1.6;
}
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: rgba(0, 0, 0, 0.85);
  position: sticky;
  top: 0;
}
header h1 { font-size: 1.5rem; }
header .highlight { color: #e879f9; }
nav a {
  margin-left: 1rem;
  color: #f0f0f0;
  text-decoration: none;
}
.hero {
  text-align: center;
  padding: 4rem 2rem;
}
.hero .highlight { color: #e879f9; }
.btn {
  display: inline-block;
  margin: 1rem .5rem 0 .5rem;
  padding: .75rem 1.5rem;
  border-radius: 1.5rem;
  background: #e879f9;
  color: #000;
  text-decoration: none;
  font-weight: bold;
}
.btn.secondary {
  background: transparent;
  border: 1px solid #e879f9;
  color: #e879f9;
}
section { padding: 3rem 2rem; }
footer {
  text-align: center;
  padding: 2rem;
  background: #111;
  color: #aaa;
}