body {
  font-family: 'Inter', sans-serif;
  margin: 0;
  background: #f9fafb;
  color: #222;
  line-height: 1.6;
}

.hero {
  text-align: center;
  padding: 4rem 2rem;
  background: linear-gradient(135deg, #282c34, #3a3f47);
  color: white;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.tagline {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

section {
  max-width: 800px;
  margin: 2rem auto;
  padding: 2rem;
  background: white;
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

pre {
  background: #f4f4f4;
  padding: 1rem;
  border-radius: 6px;
  overflow-x: auto;
}

.btn {
  display: inline-block;
  padding: 0.7rem 1.2rem;
  margin: 0.5rem;
  border-radius: 6px;
  background: #61dafb;
  color: #000;
  text-decoration: none;
  font-weight: 600;
}

.btn.secondary {
  background: #ff9800;
  color: #fff;
}

footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.9rem;
  background: #f1f1f1;
}