body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: #0f0f0f;
  color: #ffffff;
  text-align: center;
}

.hero {
  padding: 90px 20px;
  background: linear-gradient(180deg, #111, #000);
}

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

.hero p {
  font-size: 18px;
  color: #ccc;
}

section {
  padding: 60px 20px;
}

.benefits ul {
  list-style: none;
  padding: 0;
  max-width: 600px;
  margin: 0 auto;
}

.benefits li {
  margin: 12px 0;
  font-size: 18px;
}

.btn {
  display: inline-block;
  margin-top: 20px;
  padding: 14px 30px;
  background: #00ff99;
  color: #000;
  text-decoration: none;
  font-weight: bold;
  border-radius: 8px;
}

.btn:hover {
  opacity: 0.9;
}

footer {
  background: #111;
  padding: 25px;
  font-size: 14px;
}

footer a {
  color: #00ff99;
  text-decoration: none;
}

/* WhatsApp flutuante */
.whatsapp-float {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #25d366;
  color: #fff;
  padding: 14px 22px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: bold;
  z-index: 999;
}