body {
  margin: 0;
  font-family: system-ui, sans-serif;
  background: #0b0f19;
  color: #e5e7eb;
}

.hero {
  text-align: center;
  padding: 100px 20px;
  background: linear-gradient(135deg, #6366f1, #22d3ee);
}

.hero h1 {
  margin: 0;
  font-size: 48px;
}

.hero p {
  opacity: 0.8;
}

.container {
  max-width: 1000px;
  margin: auto;
  padding: 40px 20px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.card {
  background: #111827;
  padding: 20px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.05);
}