body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #111;
  color: #f5f5f5;
}
header {
  background: linear-gradient(90deg,#8F00FF,#000);
  padding: 16px;
  text-align: center;
}
header h1 {
  margin: 0;
  font-size: 24px;
}
nav {
  margin-top: 8px;
}
nav a {
  color: #fff;
  text-decoration: none;
  margin: 0 8px;
  font-size: 14px;
}
nav a:hover {
  text-decoration: underline;
}
main {
  padding: 16px;
  max-width: 900px;
  margin: 0 auto;
}
h2 {
  color: #cfa7ff;
}
.card {
  background: #1f1f1f;
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}
.cta {
  display: inline-block;
  padding: 10px 18px;
  background: #8F00FF;
  color: #fff;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
}
.cta:hover {
  background: #a52dff;
}
footer {
  text-align: center;
  padding: 16px;
  font-size: 12px;
  color: #aaa;
}
ul {
  padding-left: 20px;
}