/* ========================================================================= */
/* ÁREAS CLAVE DE LA FORMACIÓN */
/* ========================================================================= */

.course-grid {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}

.course-card {
  background: var(--bg-white);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s, box-shadow 0.3s;
  flex: 1 1 220px;
  text-align: center;
  position: relative;
  z-index: 1;
}

/* Iconos circulares estilo secuencia */
.course-card::before {
  content: "";
  display: block;
  width: 60px;
  height: 60px;
  background-color: var(--cecns-gold);
  color: var(--cecns-blue);
  border-radius: 50%;
  margin: 0 auto 15px auto;
  line-height: 60px;
  font-size: 2rem;
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: relative;
  box-shadow: 0 0 0 5px var(--bg-light);
  display: flex;
  justify-content: center;
  align-items: center;
}

.course-card:nth-child(1)::before {
  content: "\f12d";
}
.course-card:nth-child(2)::before {
  content: "\f207";
}
.course-card:nth-child(3)::before {
  content: "\f57c";
}
.course-card:nth-child(4)::before {
  content: "\f53f";
}

/* Línea de conexión en escritorio */
@media (min-width: 900px) {
  .course-grid {
    position: relative;
    padding-top: 20px;
  }
  .course-grid::after {
    content: "";
    position: absolute;
    top: 48px;
    left: 5%;
    right: 5%;
    height: 3px;
    background-color: var(--cecns-blue);
    z-index: 0;
  }
}

@media (max-width: 768px) {
  .course-grid {
    flex-direction: column;
    align-items: center;
  }
  .course-card {
    flex: 1 1 90%;
    max-width: 400px;
  }
  .course-grid::after {
    display: none;
  }
}