body {
  margin: 0;
  font-family: Arial, sans-serif;
  background-color: #000;
  color: #fff;
}
.header { background: #111; padding: 15px; text-align: center; }
.header h1 { color: #FFD700; }
.header nav a { color: #fff; margin: 0 10px; text-decoration: none; }
.header nav a:hover { color: #FFD700; }
.hero { background: #222; padding: 60px 20px; text-align: center; }
.hero h2 { color: #FFD700; }
.hero-btns, .footer-btns { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin-top: 20px; }
.btn-whatsapp {
  background: #25D366;
  color: #fff;
  padding: 10px 20px;
  text-decoration: none;
  border-radius: 5px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: bold;
}
.btn-call {
  background: #FFD700;
  color: #000;
  padding: 10px 20px;
  text-decoration: none;
  border-radius: 5px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: bold;
}
.icon-btn { width: 20px; height: 20px; }
footer { text-align: center; padding: 20px; background: #000; color: #999; }
.whatsapp-float {
  position: fixed;
  width: 60px;
  height: 60px;
  bottom: 20px;
  right: 20px;
  border-radius: 50%;
  background-color: #25D366;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 2px 2px 10px rgba(0,0,0,0.5);
}
.whatsapp-float img { width: 60%; height: auto; }