body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f4f4f4;
}

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

.header {
  background: #1f2933;
  color: #fff;
  padding: 15px 0;
}

.header h1 {
  margin: 0;
}

.header nav a {
  color: #fff;
  margin-right: 15px;
  text-decoration: none;
}

.hero {
  background: #333;
  color: #fff;
  padding: 60px 20px;
  text-align: center;
}

.btn {
  background: #25d366;
  color: #fff;
  padding: 12px 25px;
  text-decoration: none;
  border-radius: 25px;
  display: inline-block;
  margin-top: 15px;
}

.products {
  padding: 40px 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.card {
  background: #fff;
  padding: 20px;
  border-radius: 6px;
}

.contact {
  background: #1f2933;
  color: #fff;
  text-align: center;
  padding: 40px 20px;
}

.whatsapp {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #25d366;
  padding: 12px;
  border-radius: 50%;
}

.whatsapp img {
  width: 32px;
}