body {
  margin: 0;
  font-family: system-ui, sans-serif;
  background: #f7f8fa;
  color: #222;
}

.header {
  background: white;
  padding: 15px 30px;
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid #e5e7eb;
}

.logo {
  font-size: 20px;
  font-weight: 700;
}

.logo span {
  color: #3b82f6;
}

nav a {
  margin-left: 20px;
  text-decoration: none;
  color: #444;
  font-weight: 500;
}

.hero {
  padding: 60px 30px;
  text-align: center;
  background: #eef4ff;
}

.hero h1 {
  margin-bottom: 10px;
  font-size: 36px;
}

.cta {
  margin-top: 20px;
  padding: 12px 24px;
  background: #3b82f6;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  padding: 40px 30px;
}

.feature {
  background: white;
  padding: 20px;
  border-radius: 8px;
  border: 1px solid #e5e7eb;
}

.docs {
  padding: 40px 30px;
}

.docs ul {
  list-style: none;
  padding: 0;
}

.docs li {
  margin-bottom: 8px;
}

.docs a {
  text-decoration: none;
  color: #3b82f6;
}

.footer {
  padding: 20px;
  font-size: 14px;
  text-align: center;
  color: #555;
}