.hero-doctorado {
    /* Configuración de fondo */
    background-image: url('img/doctorados.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    
    /* Tamaño y disposición */
    height: 80vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    
    /* Tipografía y color */
    color: #fff;
    text-align: center;
    position: relative;
    padding: 0 2rem;
}
    
.hero-content {
  position: relative;
  z-index: 20;
  max-width: 800px;
  width: 100%;
  background-color: transparent !important; /* Fuerza transparencia */
  box-shadow: none !important; /* Elimina sombras */
  padding: 0; /* Opcional: ajusta si necesitas espacio */
}

  .hero-content h1 {
    font-size: 3.2rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
    line-height: 1.2;
    text-transform: uppercase;
    letter-spacing: 1px;
  }

  .hero-content p {
    font-size: 1.5rem;
    font-style: italic;
    margin-bottom: 2rem;
    line-height: 1.6;
  }

  /* Animación de entrada */
  @keyframes fadeIn {
    from {
      opacity: 0;
      transform: translateY(30px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  /* Responsive design */
  @media (max-width: 992px) {
    .hero-doctorado {
      height: 70vh;
      min-height: 500px;
    }
    
    .hero-content h1 {
      font-size: 2.5rem;
    }
    
    .hero-content p {
      font-size: 1.2rem;
    }
  }

  @media (max-width: 768px) {
    .hero-doctorado {
      height: 60vh;
      background-position: 60% center;
    }
    
    .hero-content {
      padding: 1.5rem;
      backdrop-filter: blur(3px);
    }
    
    .hero-content h1 {
      font-size: 2rem;
    }
  }

/* Sección de introducción */
.introduccion-doctorado {
  padding: 5rem 0;
  background-color: #fff;
}

.intro-content {
  display: flex;
  align-items: center;
  gap: 4rem;
  max-width: 1200px;
  margin: 0 auto;
}

.intro-text {
  flex: 1.2;
}

.intro-text h2 {
  color: #2c3e50;
  font-size: 2.2rem;
  margin-bottom: 1.8rem;
  font-weight: 600;
}

.intro-text p {
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
  color: #555;
}

.intro-image {
  flex: 1;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.intro-image img {
  width: 100%;
  height: auto;
  transition: transform 0.5s ease;
}

.intro-image:hover img {
  transform: scale(1.03);
}

.botones-descarga {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
}

.btn-descarga {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: #2c3e50;
  color: white;
  padding: 0.8rem 1.5rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
}

.btn-formulario {
  background-color: #8e44ad;
}

.btn-descarga:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

/* Detalles del programa */
.detalles-doctorado {
  padding: 5rem 0;
  background-color: #f8f9fa;
}

.detalles-doctorado h2 {
  text-align: center;
  color: #2c3e50;
  font-size: 2.4rem;
  margin-bottom: 3rem;
  font-weight: 600;
}

.detalles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.detalle-card {
  background: white;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.05);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.detalle-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.detalle-icon {
  font-size: 2.5rem;
  color: #8e44ad;
  margin-bottom: 1.5rem;
}

.detalle-card h3 {
  color: #2c3e50;
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.detalle-card p {
  color: #666;
  line-height: 1.6;
}

/* Plan de estudios */
.plan-doctorado {
  padding: 5rem 0;
  background-color: white;
}

.plan-doctorado h2 {
  text-align: center;
  color: #2c3e50;
  font-size: 2.4rem;
  margin-bottom: 3rem;
  font-weight: 600;
}

.plan-content {
  display: flex;
  align-items: center;
  gap: 3rem;
  max-width: 1200px;
  margin: 0 auto;
}

.plan-text {
  flex: 1;
}

.plan-text h3 {
  color: #2c3e50;
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
}

.plan-text p {
  color: #555;
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.plan-text ul {
  list-style-type: none;
  padding-left: 0;
}

.plan-text li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.8rem;
  color: #555;
}

.plan-text li:before {
  content: "•";
  color: #8e44ad;
  font-size: 1.5rem;
  position: absolute;
  left: 0;
  top: -3px;
}

.plan-image {
  flex: 1;
  text-align: center;
}

.plan-image img {
  max-width: 100%;
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  cursor: pointer;
  transition: transform 0.3s ease;
}

.plan-image img:hover {
  transform: scale(1.02);
}

.leyenda-imagen {
  margin-top: 0.5rem;
  font-size: 0.9rem;
  color: #666;
  font-style: italic;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,0.9);
  overflow: auto;
}

.modal-contenido {
  display: block;
  margin: auto;
  max-width: 90%;
  max-height: 90%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.cerrar-modal {
  position: absolute;
  top: 20px;
  right: 35px;
  color: #f1f1f1;
  font-size: 40px;
  font-weight: bold;
  cursor: pointer;
}

.botones-modal {
  text-align: center;
  margin-top: 20px;
}

.btn-cerrar-modal {
  background-color: #8e44ad;
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 5px;
  cursor: pointer;
}

/* Responsive */
@media (max-width: 992px) {
  .intro-content, .plan-content {
    flex-direction: column;
  }
  
  .intro-image, .plan-image {
    order: -1;
    margin-bottom: 2rem;
  }
}

@media (max-width: 768px) {
  .hero-doctorado {
    padding: 4rem 1rem;
    min-height: 60vh;
  }
  
  .hero-doctorado h1 {
    font-size: 2.4rem;
  }
  
  .hero-doctorado p {
    font-size: 1.2rem;
  }
  
  .botones-descarga {
    flex-direction: column;
  }
}

@media (max-width: 576px) {
  .detalles-grid {
    grid-template-columns: 1fr;
  }
  
  .intro-text h2, .detalles-doctorado h2, .plan-doctorado h2 {
    font-size: 2rem;
  }
}