body {
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", sans-serif;
  background-color: #f8f8f8;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.contenedor {
  background-color: white;
  padding: 50px;
  border-radius: 16px;
  box-shadow: 0 0 25px rgba(0,0,0,0.1);
  text-align: center;
  width: 90%;
  max-width: 700px;
}

.logo {
  width: 100px;
  height: auto;
  margin-bottom: 20px;
}

h1 {
  color: #6d1b3c;
  font-size: 26px;
  margin: 0;
}

.subtitulo {
  color: #e67e22;
  margin: 10px 0 40px 0;
  font-size: 20px;
}

.botones {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.boton {
  text-decoration: none;
  padding: 18px 30px;
  border-radius: 8px;
  color: white;
  font-size: 16px;
  transition: 0.3s;
  font-weight: bold;
}

.boton.estudiante {
  background-color: #6d1b3c;
}

.boton.docente {
  background-color: #e67e22;
}

.boton:hover {
  opacity: 0.85;
}

footer {
  font-size: 14px;
  color: #555;
  border-top: 1px solid #ccc;
  padding-top: 15px;
}