.problem-solution {
  padding: 100px 40px;
  max-width: 1100px;
  margin: 0 auto;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  display: block;
}

.section-title {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 540px;
  line-height: 1.7;
  margin-bottom: 60px;
}

.ps-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.ps-card {
  border-radius: var(--radius-lg);
  padding: 40px;
  position: relative;
  overflow: hidden;
}

.ps-card::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.04;
  pointer-events: none;
}

.ps-card-problem {
  background: var(--bg-card);
  border: 1px solid rgba(255, 77, 77, 0.2);
}

.ps-card-problem::before {
  background: var(--error);
}

.ps-card-solution {
  background: var(--bg-card);
  border: 1px solid rgba(0, 255, 136, 0.2);
}

.ps-card-solution::before {
  background: var(--accent);
}

.ps-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

.ps-card-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.ps-card-problem .ps-card-icon {
  background: rgba(255, 77, 77, 0.1);
  border: 1px solid rgba(255, 77, 77, 0.3);
}

.ps-card-solution .ps-card-icon {
  background: var(--accent-glow);
  border: 1px solid var(--accent);
}

.ps-card-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.ps-card-problem .ps-card-label {
  color: var(--error);
}

.ps-card-solution .ps-card-label {
  color: var(--accent);
}

.ps-card-title {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.ps-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ps-list li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.5;
}

.ps-list-problem li::before {
  content: '✕';
  color: var(--error);
  font-family: var(--font-mono);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.ps-list-solution li::before {
  content: '✓';
  color: var(--accent);
  font-family: var(--font-mono);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

@media (max-width: 768px) {
  .problem-solution {
    padding: 60px 20px;
  }

  .ps-grid {
    grid-template-columns: 1fr;
  }

  .ps-card {
    padding: 28px;
  }
}