body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #0b1220;
  color: #e5e7eb;
}

main {
  max-width: 900px;
  margin: 48px auto;
  padding: 0 20px;
}

.card {
  background: #111827;
  border-radius: 12px;
  padding: 28px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.5);
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

h1 {
  margin-top: 0;
  margin-bottom: 10px;
}

p {
  line-height: 1.6;
  margin: 0 0 16px;
  color: #cbd5e1;
}

a {
  color: #93c5fd;
  text-decoration: none;
  font-weight: 600;
}

a:hover {
  text-decoration: underline;
}