body {
  font-family: 'Poppins', sans-serif;
  color: #123456;
  margin: 0;
  padding: 0;
  background: #f7f9fc;
}
h1, h2 {
  margin-bottom: 1rem;
}
.hero {
  position: relative;
  text-align: center;
  color: white;
}
.hero-image {
  width: 100%;
  height: 300px;
  object-fit: cover;
  filter: brightness(0.6);
}
.hero-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
main {
  padding: 2rem 1rem;
  max-width: 1000px;
  margin: auto;
}
.card {
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  margin-bottom: 2rem;
  text-align: center;
}
.reserva input, .reserva select, .reserva button {
  padding: 0.75rem;
  margin: 0.5rem 0;
  width: 90%;
  max-width: 400px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 1rem;
}
.reserva button {
  background-color: #0084ff;
  color: white;
  border: none;
  cursor: pointer;
  font-weight: bold;
  transition: background 0.3s ease;
}
.reserva button:hover {
  background-color: #006fd6;
}
.estudios ul {
  list-style: none;
  padding: 0;
}
.estudios li {
  margin: 0.5rem 0;
  font-size: 1.1rem;
}
.alt {
  background: #eef3f9;
  padding: 2rem;
  border-radius: 12px;
}
.mensaje {
  margin-top: 1rem;
  font-weight: bold;
  color: green;
}
.whatsapp-float {
  position: fixed;
  width: 60px;
  height: 60px;
  bottom: 20px;
  right: 20px;
  background-color: #25d366;
  border-radius: 50%;
  box-shadow: 0 4px 6px rgba(0,0,0,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}
.whatsapp-float:hover {
  transform: scale(1.1);
}
.whatsapp-float img {
  width: 35px;
  height: 35px;
}