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

header {
  display: flex;
  justify-content: space-between;
  padding: 20px 40px;
  background: #0f172a;
}

.logo {
  font-weight: bold;
}

nav a {
  color: #94a3b8;
  margin-left: 15px;
  text-decoration: none;
}

.hero {
  padding: 80px 40px;
  text-align: center;
}

.hero h1 {
  font-size: 40px;
}

button {
  padding: 10px 20px;
  margin-top: 20px;
  background: #3b82f6;
  border: 0;
  color: white;
  border-radius: 6px;
}

.info {
  display: flex;
  justify-content: space-around;
  padding: 40px;
}

.card {
  background: #111827;
  padding: 20px;
  border-radius: 10px;
  width: 25%;
}