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

header {
  display: flex;
  justify-content: space-between;
  padding: 20px 50px;
  background: #111827;
}

.logo {
  font-size: 24px;
  font-weight: bold;
}

.login-btn, .cta-btn {
  text-decoration: none;
  color: white;
  background: #2563eb;
  padding: 12px 24px;
  border-radius: 8px;
}

.hero {
  text-align: center;
  padding: 100px 20px;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 20px;
}

.hero p {
  max-width: 700px;
  margin: auto;
  font-size: 1.2rem;
  margin-bottom: 30px;
}

.features {
  display: flex;
  justify-content: center;
  gap: 20px;
  padding: 50px 20px;
  flex-wrap: wrap;
}

.card {
  background: #1f2937;
  padding: 30px;
  border-radius: 16px;
  width: 280px;
  text-align: center;
}

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