/* ---------- Problem / Disconnection section ---------- */
.problem {
  background: var(--navy-900);
  color: var(--white);
  padding: 5rem 0;
}

.problem-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.problem-heading {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.7rem, 2.4vw + 1rem, 2.5rem);
  line-height: 1.25;
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem;
  color: var(--white);
}
.problem-heading .accent { color: var(--green-500); }

.problem-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 2.5rem;
  align-items: start;
}

/* Scattered / disconnected column */
.scatter-col { display: flex; flex-direction: column; align-items: center; }
.scatter-list { display: flex; flex-direction: column; gap: 0.85rem; margin: 0 0 1.6rem; width: 100%; max-width: 220px; }
.scatter-list li {
  list-style: none;
  text-align: center;
  padding: 0.7rem 1rem;
  border: 1px dashed rgba(255,255,255,0.28);
  border-radius: 8px;
  color: rgba(255,255,255,0.55);
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  transform: translateX(calc(var(--i, 0) * 1px * (var(--i, 0) - 2))) rotate(calc((var(--i, 0) - 2) * 1.4deg));
}
.scatter-caption {
  text-align: center;
  color: rgba(255,255,255,0.6);
  font-size: 0.92rem;
  line-height: 1.55;
  max-width: 260px;
  margin: 0;
}

/* Arrow between columns */
.transform-arrow {
  color: var(--green-500);
  align-self: center;
  padding-top: 3rem;
}

/* Connected column */
.connected-col { display: flex; flex-direction: column; align-items: center; }
.connected-label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--green-500);
  margin: 0 0 1.1rem;
  text-transform: uppercase;
}
.connected-list { width: 100%; max-width: 240px; }
.connected-list li {
  list-style: none;
  position: relative;
  text-align: center;
  padding: 0.7rem 1rem;
  background: var(--navy-700);
  border: 1px solid rgba(123, 194, 74, 0.35);
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--white);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.5s ease, transform 0.5s ease;
  transition-delay: calc(var(--i, 0) * 0.09s);
}
.connected-list li:not(:last-child) { margin-bottom: 1.15rem; }
.connected-list li:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -1.15rem;
  width: 2px;
  height: 1.15rem;
  background: var(--green-600);
  transform: translateX(-50%);
}
.connected-col.in-view .connected-list li { opacity: 1; transform: translateY(0); }

.problem-conclusion {
  text-align: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--white);
  margin: 3.5rem 0 0;
}

@media (max-width: 860px) {
  .problem-grid { grid-template-columns: 1fr; }
  .transform-arrow { transform: rotate(90deg); padding: 0.5rem 0; }
  .scatter-list li { transform: none; }
}