body {
  margin: 0;
  font-family: Arial, sans-serif;
  background-color: #121212;
  color: #f0f0f0;
}
header {
  background: #1c1c1c;
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  height: 50px;
}
nav a {
  color: white;
  margin-left: 20px;
  text-decoration: none;
}
.hero {
  text-align: center;
  padding: 50px 20px;
}
.section {
  padding: 40px 20px;
}
ul {
  list-style: square inside;
}
.products {
  display: flex;
  gap: 20px;
}
.product-card {
  background: #1e1e1e;
  padding: 10px;
  border-radius: 5px;
  width: 150px;
  text-align: center;
}
.whatsapp-button {
  position: fixed;
  bottom: 15px;
  right: 15px;
  background-color: #25D366;
  color: white;
  padding: 10px 15px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: bold;
}