body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background-color: #0f0f0f;
  color: #f0f0f0;
}

.hero {
  background: #1c1c1c;
  text-align: center;
  padding: 40px 20px;
}

.hero h1 {
  font-size: 2em;
  color: #ff6b00;
}

.hero p {
  color: #ccc;
  font-size: 1.1em;
  margin: 10px 0 20px;
}

.btn-principal {
  padding: 12px 22px;
  background: #25d366;
  color: #fff;
  border-radius: 30px;
  text-decoration: none;
  font-weight: bold;
}

.menu {
  background: #121212;
  display: flex;
  justify-content: center;
  gap: 20px;
  padding: 10px;
  flex-wrap: wrap;
}

.menu a {
  color: #f0f0f0;
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 20px;
  transition: background 0.3s;
}

.menu a:hover {
  background: #25d366;
  color: #000;
}

.contenedor {
  padding: 40px 20px;
  text-align: center;
}

.tarjetas {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.card {
  background: #2a2a2a;
  padding: 20px;
  border-radius: 15px;
}

.card i {
  font-size: 2em;
  margin-bottom: 10px;
  color: #25d366;
}

.galeria img {
  width: 100%;
  max-width: 300px;
  margin: 10px;
  border-radius: 10px;
  box-shadow: 0 0 8px #000;
}

input, textarea, button {
  width: 90%;
  max-width: 400px;
  margin: 10px auto;
  padding: 12px;
  border-radius: 10px;
  border: none;
  display: block;
  font-size: 1em;
}

button {
  background: #ff6b00;
  color: white;
  font-weight: bold;
  cursor: pointer;
}

footer {
  background: #121212;
  color: #888;
  text-align: center;
  padding: 20px;
}

.social a {
  color: #f0f0f0;
  margin: 0 10px;
  font-size: 1.3em;
}

.whatsapp-float {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #25d366;
  color: white;
  padding: 14px 16px;
  border-radius: 50%;
  font-size: 20px;
  z-index: 999;
  box-shadow: 0 0 10px #25d366;
}