.case-hero {
  padding: 150px 0 90px;
}

.case-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  align-items: end;
  gap: 70px;
}

.case-hero h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(48px, 7vw, 92px);
  font-weight: 530;
  letter-spacing: -0.064em;
  line-height: 0.98;
}

.case-hero__lead {
  max-width: 760px;
  margin: 28px 0 0;
  color: var(--text-muted);
  font-size: 19px;
}

.case-summary {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 24px;
  background: var(--surface);
}

.case-summary dl {
  margin: 20px 0 0;
}

.case-summary div {
  display: grid;
  grid-template-columns: 92px 1fr;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  gap: 12px;
}

.case-summary dt {
  color: var(--text-muted);
  font-family: var(--font-technical);
  font-size: 7px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.case-summary dd {
  margin: 0;
  font-size: 13px;
}

.case-chapter {
  display: grid;
  grid-template-columns: minmax(200px, 0.55fr) minmax(0, 1.45fr);
  padding: 42px 0;
  border-top: 1px solid var(--line);
  gap: 55px;
}

.case-chapter__index {
  color: var(--magenta);
  font-family: var(--font-technical);
  font-size: 8px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.case-chapter__content h2 {
  max-width: 760px;
  margin: 0 0 22px;
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 540;
  letter-spacing: -0.045em;
  line-height: 1.06;
}

.case-chapter__content h3 {
  margin: 30px 0 10px;
  font-size: 18px;
}

.case-chapter__content p,
.case-chapter__content li {
  max-width: 780px;
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.75;
}

.case-chapter__content strong {
  color: var(--text);
}

.case-chapter__content ul {
  display: grid;
  margin: 20px 0 0;
  padding-left: 20px;
  gap: 8px;
}

.case-flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  overflow: hidden;
}

.case-flow div {
  position: relative;
  min-height: 150px;
  padding: 22px;
}

.case-flow div + div {
  border-left: 1px solid var(--line);
}

.case-flow span {
  color: var(--magenta);
  font-family: var(--font-technical);
  font-size: 8px;
}

.case-flow strong {
  display: block;
  margin-top: 36px;
  font-size: 14px;
}

.evidence-note {
  margin-top: 24px;
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--magenta);
  border-radius: 10px;
  padding: 18px 20px;
  background: rgba(229, 25, 125, 0.05);
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.65;
}

@media (max-width: 860px) {
  .case-hero__grid,
  .case-chapter {
    grid-template-columns: 1fr;
  }

  .case-hero__grid {
    gap: 40px;
  }

  .case-chapter {
    gap: 18px;
  }

  .case-flow {
    grid-template-columns: 1fr 1fr;
  }

  .case-flow div:nth-child(3) {
    border-left: none;
  }

  .case-flow div:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }
}

@media (max-width: 560px) {
  .case-hero {
    padding: 120px 0 70px;
  }

  .case-flow {
    grid-template-columns: 1fr;
  }

  .case-flow div + div {
    border-top: 1px solid var(--line);
    border-left: none;
  }
}