/* assets/ab-cadena.css - Cadena de Información Progresiva (Regla 15) */
.ab-cadena-wrap {
  margin: 2.5rem 0;
  padding: 1.5rem;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(94, 234, 212, 0.22);
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.ab-cadena-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.ab-cadena-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #f8fafc;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.ab-cadena-tag {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.6rem;
  background: rgba(94, 234, 212, 0.12);
  color: #5eead4;
  border-radius: 20px;
  font-weight: 600;
}

/* Stepper horizontal de la cadena */
.ab-cadena-stepper {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.75rem;
  margin-bottom: 1.25rem;
  scrollbar-width: thin;
}

.ab-cadena-step {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.85rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  font-size: 0.82rem;
  color: #94a3b8;
  white-space: nowrap;
  font-weight: 500;
}

.ab-cadena-step.is-active {
  background: rgba(94, 234, 212, 0.15);
  border-color: #5eead4;
  color: #5eead4;
  font-weight: 700;
}

.ab-cadena-arrow {
  color: #64748b;
  font-size: 0.9rem;
}

/* Grilla de los eslabones: Problema -> Solución -> Sector */
.ab-cadena-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.ab-cadena-card {
  background: rgba(7, 25, 45, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
}

.ab-cadena-card-type {
  font-size: 0.72rem;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #38bdf8;
  margin-bottom: 0.4rem;
}

.ab-cadena-card-title {
  font-size: 0.98rem;
  font-weight: 700;
  color: #f1f5f9;
  margin-bottom: 0.5rem;
  line-height: 1.35;
}

.ab-cadena-card-desc {
  font-size: 0.85rem;
  color: #cbd5e1;
  line-height: 1.5;
  margin-bottom: 1rem;
  flex: 1;
}

.ab-cadena-card-action {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: #5eead4;
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  transition: color 0.15s ease;
}

.ab-cadena-card-action:hover {
  color: #ffffff;
  text-decoration: underline;
}