:root {
  --color-fondo: #f7f4fc;
  --color-principal: #7723D8;
  --color-secundario: #4E2278;
  --color-acento: #f8690e;
  --color-texto: #2D2D2D;
}

body {
  margin: 0;
  font-family: 'Ubuntu', sans-serif;
  background: var(--color-fondo);
  color: var(--color-texto);
  line-height: 1.5;
}

header.hero {
  background: linear-gradient(135deg, var(--color-secundario), var(--color-principal));
  background-size: cover;
  color: white;
  text-align: center;
  padding: 1rem 1rem 1rem 2rem;
}

.logo-pupa {
  width: 120px;
  margin-bottom: 1rem;
  animation: flotar 4s ease-in-out infinite;
}

.titulo-principal {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.subtitulo {
  font-size: 1.5rem;
  opacity: 0.9;
  margin-bottom: 2rem;
}

.mini-bajada {
  font-size: 1rem;
  margin-top: 1rem;
  opacity: 0.8;
}

.btn-cta {
  background-color: var(--color-acento);
  color: white;
  padding: 1rem 2rem;
  border-radius: 30px;
  font-size: 1.2rem;
  text-decoration: none;
  transition: background 0.3s ease;
}

.btn-cta:hover {
  background-color: #e25f07;
}

main.contenido {
  padding: 2rem 2rem;
  max-width: 100%;
  margin: auto;
  background: linear-gradient(to bottom, #cfb2ff, #ffffff);
}

.seccion-doble {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 3rem;
  margin-bottom: 5rem;
}

.columna-texto {
  flex: 1 1 50%;
}

.columna-extra {
  flex: 1 1 40%;
  text-align: center;
}

.img-ajustada {
  max-width: 100%;
  height: auto;
}

.cita {
  font-size: 2rem;
  font-style: italic;
  color: var(--color-secundario);
  margin-top: 1rem;
}

.lista-beneficios {
  list-style: none;
  padding-left: 0;
  margin-top: 1rem;
  font-size: 1.1rem;
}

.lista-beneficios li {
  margin-bottom: 0.5rem;
}

.beneficios-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 5rem;
}

.beneficios-grid .card {
  flex: 1 1 calc(33% - 2rem);
  background: white;
  padding: 2rem;
  border-radius: 20px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  text-align: center;
  transition: transform 0.3s ease;
  color: #2d2d2d;
}

.beneficios-grid .card:hover {
  transform: scale(1.03);
}

.como-funciona {
  margin-bottom: 5rem;
  text-align: center;
}

.como-funciona h2 {
  font-size: 2rem;
  color: var(--color-secundario);
  margin-bottom: 2rem;
}

.pasos {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 2rem;
}

.paso {
  flex: 1 1 250px;
  background: white;
  padding: 1.5rem;
  border-radius: 20px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
  text-align: center;
  color: #2d2d2d;
}

.paso h3 {
  color: var(--color-principal);
  margin-bottom: 0.5rem;
}

.planes-evolutivos {
  text-align: center;
  margin-top: 5rem;
}

.trayectoria {
  display: flex;
  justify-content: space-around;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 2rem;
  margin-bottom: 3rem;
}

.etapa {
  flex: 1 1 250px;
  background-color: #fff;
  padding: 1.5rem;
  border-radius: 20px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  text-align: center;
  color: #2d2d2d;
}

.etapa .icono {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.btn-plan {
  background-color: var(--color-principal);
  color: white;
  padding: 1rem 2rem;
  border-radius: 30px;
  font-size: 1.1rem;
  text-decoration: none;
  transition: background 0.3s ease;
}

.btn-plan:hover {
  background-color: var(--color-secundario);
}

footer {
  background-color: #eaeaea;
  text-align: center;
  padding: 2rem;
  color: var(--color-texto);
  font-size: 0.9rem;
}

.footer-enriquecido nav.footer-links {
  margin-top: 1rem;
}

.footer-enriquecido nav.footer-links a {
  margin: 0 0.5rem;
  color: var(--color-texto);
  text-decoration: none;
  font-weight: 500;
}

.footer-enriquecido nav.footer-links a:hover {
  text-decoration: underline;
}

@keyframes flotar {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

/* Responsive */
@media (max-width: 900px) {
  header.hero { padding: 1.5rem; }
  .titulo-principal { font-size: 2.2rem; }
  .subtitulo { font-size: 1.2rem; }
  main.contenido { padding: 1.5rem; }
  .seccion-doble { gap: 2rem; }
  .columna-texto, .columna-extra { flex: 1 1 100%; }
  .beneficios-grid .card { flex: 1 1 calc(50% - 2rem); }
}

@media (max-width: 600px) {
  .titulo-principal { font-size: 1.8rem; }
  .subtitulo { font-size: 1rem; }
  .btn-cta, .btn-plan { width: 100%; display: inline-block; text-align: center; }
  .beneficios-grid .card { flex: 1 1 100%; }
  .paso, .etapa { padding: 1.2rem; }
  footer { padding: 1.5rem 1rem; }
  .footer-enriquecido nav.footer-links a { display: inline-block; margin: 0.35rem; }
}