body {
  font-family: system-ui, sans-serif;
  background: #0b0f19;
  color: #e5e7eb;
  margin: 0;
  padding: 0;
}
header {
  text-align: center;
  padding: 40px 20px;
}
h1 {
  font-size: 28px;
  letter-spacing: 1px;
  color: #ffffff;
}
.tagline {
  margin-top: 10px;
  color: #9ca3af;
}
.section {
  padding: 30px 20px;
  max-width: 700px;
  margin: auto;
}
h2 {
  color: #f59e0b;
}
.email {
  font-weight: bold;
  color: #fbbf24;
}
footer {
  text-align: center;
  padding: 20px;
  margin-top: 40px;
  color: #6b7280;
  font-size: 14px;
}