#problem {
  background: var(--white);
  color: var(--black);
  padding: 72px 56px;
}

.section-tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--s400);
  margin-bottom: 40px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.section-tag::before {
  content: '';
  display: block;
  width: 24px; height: 1px;
  background: currentColor;
}

.problem-cols {
  display: grid;
  grid-template-columns: 1fr 1px 1fr;
  gap: 0;
  margin-bottom: 96px;
}

.problem-col {
  padding: 36px 48px 36px 24px;
}

.problem-col:last-child {
  padding: 36px 24px 36px 48px;
}

.problem-sep {
  background: rgba(13,12,11,0.1);
}

.problem-num {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--s400);
  margin-bottom: 24px;
}

.problem-h3 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin-bottom: 20px;
  color: var(--black);
}

.problem-p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--s300);
}

.problem-p + .problem-p { margin-top: 14px; }

.problem-bottom {
  border-top: 1px solid rgba(13,12,11,0.1);
  padding-top: 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  align-items: end;
  overflow: visible;
}

.problem-resolution h2 {
  font-size: clamp(40px, 5vw, 60px);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--black);
}

.problem-resolution-sub {
  font-family: var(--serif);
  font-style: italic;
  font-size: 18px;
  color: var(--s400);
  margin-top: 16px;
}

.problem-cta-right {
  display: flex;
  justify-content: flex-end;
}

.problem-resolution,
.problem-cta-right .btn-dark {
  filter: blur(14px);
  opacity: 0.24;
  transform: translateY(14px);
  transition: filter 0.75s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.55s ease, transform 0.55s ease;
  will-change: filter, opacity, transform;
}

.problem-resolution {
  padding: 18px 24px;
  margin: -18px -24px;
}

.problem-cta-right .btn-dark {
  transition-delay: 0.12s;
}

.problem-bottom.problem-activated .problem-resolution,
.problem-bottom.problem-activated .problem-cta-right .btn-dark,
.problem-bottom:focus-within .problem-resolution,
.problem-bottom:focus-within .problem-cta-right .btn-dark {
  filter: blur(0);
  opacity: 1;
  transform: translateY(0);
}

@media (pointer: coarse) {
  .problem-resolution,
  .problem-cta-right .btn-dark {
    filter: blur(0);
    opacity: 1;
    transform: translateY(0);
  }
}