/* Tarjetas modernas para listado de ensayos */
.ensayos-lista {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem 2rem;
  justify-content: center;
  margin: 2.5rem 0 3.5rem 0;
}
.ensayo-card {
  background: #f7f7f7;
  border-radius: 18px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.07);
  padding: 2.2rem 2rem 1.7rem 2rem;
  max-width: 340px;
  min-width: 270px;
  flex: 1 1 300px;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.18s;
}
.ensayo-card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.13);
}
.ensayo-card h2 {
  color: #7a3e00;
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 0.2em 0;
  letter-spacing: -0.01em;
}
.ensayo-card .ensayo-date {
  color: #888;
  font-size: 1.05rem;
  font-style: italic;
  margin-bottom: 1.1em;
}
.ensayo-card p {
  color: #444;
  font-size: 1.08rem;
  margin: 0 0 0.5em 0;
  line-height: 1.6;
}