body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', sans-serif;
  background: url("../imagen/fondo_educacion.webp") no-repeat center center fixed;
  background-size: cover;
}

.tarjetas-contenido {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  max-width: 600px;
  margin: 0 auto;
  padding: 40px 20px;
}

.tarjeta {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
  padding: 12px;
  text-align: left;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.tarjeta:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 12px rgba(0,0,0,0.2);
}

.tarjeta img {
  width: 100%;
  height: 90px;
  object-fit: cover;
  border-radius: 6px;
}

.tarjeta h3 {
  margin: 8px 0 4px;
  color: #002b5c;
  font-size: 14px;
  font-weight: bold;
  line-height: 1.2;
}

.tarjeta p {
  font-size: 12px;
  color: #444;
  flex-grow: 1;
  overflow-y: auto;
  margin-bottom: 6px;
  scrollbar-width: thin;
  scrollbar-color: #0078d7 transparent;
}

.tarjeta p::-webkit-scrollbar {
  width: 4px;
}
.tarjeta p::-webkit-scrollbar-thumb {
  background: #0078d7;
  border-radius: 3px;
}

.tarjeta button {
  background-color: #00aaff;
  color: white;
  border: none;
  padding: 5px 12px;
  border-radius: 20px;
  cursor: pointer;
  font-size: 12px;
  transition: background 0.2s ease;
  align-self: center;
}

.tarjeta button:hover {
  background-color: #007acc;
}

.titulo-educacion {
  text-align: center;
  color: #002b5c;
  font-size: 28px;
  font-weight: bold;
  margin-top: 20px;
  margin-bottom: 30px;
  text-shadow: 1px 1px 3px rgba(0,0,0,0.15);
}

.tarjeta-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.tarjeta {
  border: 1px solid #ccc;
  padding: 16px;
  border-radius: 12px;
  background-color: #fff;
  transition: box-shadow 0.3s ease;
}

.tarjeta:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  cursor: pointer;
}