body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #111827;
  color: white;
  line-height: 1.6;
}

header {
  text-align: center;
  padding: 4rem 1rem;
  background: #1f2937;
}

h1 {
  margin-bottom: 0.5rem;
}

section {
  padding: 2rem;
  max-width: 900px;
  margin: auto;
}

.card {
  background: #1f2937;
  padding: 1rem;
  margin-bottom: 1rem;
  border-radius: 10px;
}

ul {
  list-style: none;
  padding: 0;
}

li {
  background: #1f2937;
  padding: 1rem;
  margin-bottom: 0.5rem;
  border-radius: 10px;
}

form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

input,
textarea,
button {
  padding: 1rem;
  border: none;
  border-radius: 8px;
}

button {
  background: #2563eb;
  color: white;
  cursor: pointer;
}

footer {
  text-align: center;
  padding: 2rem;
}