/* Reset some defaults */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: #1d1d1f;
  background-color: #f5f5f7;
}

a {
  color: #0071e3;
  text-decoration: none;
}

.navbar {
  background-color: #f9f9f9;
  padding: 10px 20px;
  border-bottom: 1px solid #ddd;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 980px;
  margin: 0 auto;
}

.logo {
  font-size: 24px;
  font-weight: bold;
}

.nav-links {
  display: flex;
  gap: 20px;
  list-style: none;
}

.hero, .promo {
  text-align: center;
  padding: 60px 20px;
  background: white;
  margin: 20px 0;
}

.hero h1, .promo h2 {
  font-size: 42px;
  margin-bottom: 10px;
}

.hero p, .promo p {
  font-size: 20px;
  margin-bottom: 20px;
}

.hero-links a, .promo-links a {
  margin: 0 10px;
  font-weight: 500;
}

footer {
  text-align: center;
  padding: 20px;
  font-size: 14px;
  color: #6e6e73;
}