body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #0f172a;
  color: #fff;
}

.container {
  width: 90%;
  max-width: 1000px;
  margin: auto;
}

header {
  text-align: center;
  padding: 60px 0;
  background: linear-gradient(135deg, #2563eb, #1e40af);
}

header h1 {
  font-size: 3rem;
  margin-bottom: 10px;
}

header p {
  font-size: 1.2rem;
  margin-bottom: 20px;
}

.btn {
  display: inline-block;
  padding: 15px 30px;
  background: #22c55e;
  color: #000;
  text-decoration: none;
  font-weight: bold;
  border-radius: 8px;
  cursor: pointer;
}

section {
  padding: 40px 0;
}

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

#features li {
  margin: 12px 0;
  font-size: 1.1rem;
}

#examples .grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

#examples .card {
  background: #1e293b;
  padding: 20px;
  border-radius: 8px;
  text-align: center;
}

footer {
  text-align: center;
  padding: 20px 0;
  background: #111827;
  font-size: 0.9rem;
}