.diplomados-section {
  padding: 60px 5%;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: #f9fafc;
}

.diplomados-header {
  text-align: center;
  margin-bottom: 40px;
}

.areas-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
}

.area-btn {
  border: 2px solid #007bff;
  background: none;
  color: #007bff;
  padding: 10px 22px;
  border-radius: 25px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s ease;
}

.area-btn.active,
.area-btn:hover {
  background: #007bff;
  color: #fff;
}

/* GRID para tarjetas */
.diplomados-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr); /* ← SOLO 3 COLUMNAS */
  gap: 25px;
  width: 100%;
  max-width: 1250px;
  margin: 0 auto;
}

.diplomado-card {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease;
}

.diplomado-card:hover {
  transform: translateY(-5px);
}

.diplomado-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.diplomado-info {
  padding: 20px;
  flex: 1;
}

.diplomado-info h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
  color: #333;
}

.diplomado-info p {
  font-size: 0.95rem;
  color: #555;
  margin-bottom: 10px;
}

.diplomado-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.85rem;
  color: #666;
  margin-bottom: 10px;
}

.diplomado-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.diplomado-actions {
  display: flex;
  justify-content: space-between;
  padding: 15px 20px;
  border-top: 1px solid #eee;
}

.btn-vermas,
.btn-comprar {
  border: none;
  border-radius: 8px;
  padding: 8px 14px;
  cursor: pointer;
  transition: background 0.3s ease;
}

.btn-vermas {
  background: #f0f0f0;
  color: #333;
}

.btn-comprar {
  background: #007bff;
  color: white;
}

.btn-comprar:hover {
  background: #0056b3;
}

/* Modal Yape */
.modal-yape {
  display: none;
  position: fixed;
  z-index: 999;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  justify-content: center;
  align-items: center;
}

.modal-yape-content {
  background: white;
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  width: 90%;
  max-width: 400px;
  position: relative;
  animation: fadeIn 0.3s ease;
}

#cerrarModal {
  position: absolute;
  top: 10px;
  right: 15px;
  font-size: 20px;
  cursor: pointer;
}

.qr-img {
  width: 180px;
  margin: 20px 0;
}

@keyframes fadeIn {
  from {opacity: 0; transform: scale(0.9);}
  to {opacity: 1; transform: scale(1);}
}

/* Efecto suave al mostrar los diplomados */
#diplomadosGrid.fade-in {
  animation: fadeIn 0.6s ease-in-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 992px) {
  #diplomadosGrid,
  .diplomados-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  #diplomadosGrid,
  .diplomados-grid {
    grid-template-columns: 1fr;
  }
}