* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
  background: #0f172a;
  color: #ffffff;
}

header {
  text-align: center;
  padding: 80px 20px;
  background: #111827;
}

header h1 {
  font-size: 3rem;
  margin-bottom: 15px;
}

header p {
  color: #94a3b8;
  font-size: 1.2rem;
}

main {
  max-width: 1000px;
  margin: auto;
  padding: 40px 20px;
}

section {
  margin-bottom: 50px;
}

h2 {
  margin-bottom: 20px;
}

ul {
  padding-left: 20px;
}

footer {
  text-align: center;
  padding: 30px;
  background: #111827;
  color: #94a3b8;
}