.case-hero {
  padding: clamp(8rem, 15vh, 11rem) 0 clamp(2.5rem, 5vh, 4rem);
}

.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  color: var(--muted);
  font-size: 0.6rem;
  margin-bottom: 2.4rem;
}

.crumbs a {
  color: var(--muted);
  transition: color 0.2s ease;
}

.crumbs a:hover {
  color: var(--accent);
}

.crumbs span[aria-current] {
  color: var(--text);
}

.case-label {
  color: var(--accent);
  margin-bottom: 1.2rem;
}

.case-hero h1 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.5rem, 6vw, 4.6rem);
  line-height: 1;
  letter-spacing: -0.025em;
  max-width: 17ch;
  font-optical-sizing: auto;
  font-variation-settings: "SOFT" 40, "WONK" 0;
  text-wrap: balance;
}

.case-lede {
  margin-top: 1.8rem;
  max-width: 62ch;
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  line-height: 1.55;
  color: var(--muted-strong);
}

.case-note {
  margin-top: 2rem;
  padding-left: 0.9rem;
  border-left: 2px solid var(--accent);
  color: var(--muted);
  font-size: 0.6rem;
  line-height: 1.8;
  max-width: 60ch;
}

.case-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border-block: 1px solid var(--line);
  margin-bottom: clamp(3rem, 7vh, 5rem);
}

.case-meta > div {
  background: var(--bg);
  padding: 1.3rem 1.2rem;
}

.case-meta dt {
  color: var(--muted);
  font-size: 0.56rem;
  margin-bottom: 0.5rem;
}

.case-meta dd {
  font-family: var(--serif);
  font-size: 1rem;
  line-height: 1.35;
  color: var(--text);
}

.case-section {
  max-width: 880px;
  padding: clamp(2.5rem, 5vh, 4rem) 0;
  border-top: 1px solid var(--line);
}

.case-section:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.case-kicker {
  color: var(--accent);
  margin-bottom: 1.1rem;
}

.case-section h2 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(1.7rem, 3.4vw, 2.6rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  max-width: 26ch;
  font-optical-sizing: auto;
  font-variation-settings: "SOFT" 40, "WONK" 0;
  text-wrap: balance;
}

.case-prose {
  margin-top: 1.6rem;
  max-width: 68ch;
  color: var(--muted-strong);
  font-size: 1rem;
  line-height: 1.7;
}

.case-prose p + p {
  margin-top: 1rem;
}

.case-prose strong {
  color: var(--text);
  font-weight: 500;
}

.case-equation {
  margin: 1rem 0;
  padding: 0.9rem 1.1rem;
  border-left: 2px solid var(--accent);
  background: var(--panel);
  color: var(--text);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  line-height: 1.8;
  overflow-x: auto;
  white-space: nowrap;
}

@media (max-width: 620px) {
  .case-equation {
    white-space: normal;
  }
}

.case-steps {
  counter-reset: step;
  border-top: 1px solid var(--line);
  margin-top: 0.6rem;
}

.case-steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 2.6rem 1fr;
  gap: 0.4rem 1.2rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--line);
}

.case-steps li::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  padding-top: 0.3rem;
}

.case-steps h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.28rem;
  line-height: 1.25;
  color: var(--text);
  grid-column: 2;
}

.case-steps p {
  grid-column: 2;
  margin-top: 0.45rem;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.65;
}

.case-figure {
  margin: 2.4rem 0 0;
  padding: clamp(1rem, 2.5vw, 1.8rem);
  background:
    linear-gradient(160deg, rgba(var(--accent-rgb), 0.05), transparent 50%),
    var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.case-figure svg {
  width: 100%;
  height: auto;
}

.case-figure figcaption {
  color: var(--muted);
  font-size: 0.58rem;
  margin-top: 1rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--line);
}

.case-outcomes {
  display: grid;
  gap: 0.85rem;
  margin-bottom: 1.4rem;
}

.case-outcomes li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--muted-strong);
}

.case-outcomes li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.8rem;
}

.case-limits .case-prose {
  padding: 1.4rem 1.6rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
}

.case-cta {
  padding: clamp(3rem, 7vh, 5rem) 0 clamp(4rem, 9vh, 6rem);
  border-top: 1px solid var(--line);
  max-width: 880px;
}

.case-cta .mono {
  color: var(--accent);
  margin-bottom: 1rem;
}

.case-cta h2 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(1.8rem, 3.6vw, 2.8rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.case-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.8rem;
}

@media (max-width: 760px) {
  .case-meta {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .case-meta {
    grid-template-columns: 1fr;
  }

  .case-steps li {
    grid-template-columns: 1.8rem 1fr;
    gap: 0.2rem 0.8rem;
  }

  .case-actions .btn {
    flex: 1 1 100%;
  }
}