body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial;
  background: #fff;
  color: #111;
}

.nav {
  display: flex;
  justify-content: space-between;
  padding: 20px 40px;
  border-bottom: 1px solid #eee;
}

.logo { font-weight: 600; }

.lang a {
  color: #0071e3;
  text-decoration: none;
  margin: 0 5px;
}

.hero {
  text-align: center;
  padding: 90px 20px;
  background: #f5f5f7;
}

.hero h1 { font-size: 40px; }

.section {
  padding: 60px 20px;
  max-width: 900px;
  margin: auto;
}

.section.dark { background: #f5f5f7; }

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

li { padding: 8px 0; border-bottom: 1px solid #eee; }

footer {
  text-align: center;
  padding: 30px;
  color: #777;
}

.wa-button {
  display: inline-block;
  background: #25D366;
  color: #fff;
  padding: 15px 25px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
}