body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f8f9fb;
  color: #333;
}

.container {
  width: 90%;
  max-width: 1100px;
  margin: auto;
}

.header {
  background: #111;
  color: #fff;
  position: sticky;
  top: 0;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 0;
}

.nav a {
  color: #fff;
  text-decoration: none;
  margin-left: 20px;
}

.btn, .btn-primary {
  background: #2563eb;
  color: #fff;
  padding: 10px 20px;
  border-radius: 6px;
  text-decoration: none;
}

.hero {
  padding: 100px 0;
  text-align: center;
}

.section {
  padding: 60px 0;
}

.section.light {
  background: #fff;
}

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

.card {
  background: #fff;
  padding: 20px;
  border-radius: 10px;
}

.form input, .form select, .form textarea {
  width: 100%;
  padding: 12px;
  margin-bottom: 15px;
}

footer {
  background: #111;
  color: #fff;
  padding: 30px 0;
}