.case-main {
  padding-bottom: clamp(72px, 9vw, 120px);
}

.case-hero {
  padding-block: clamp(72px, 10vw, 132px);
}

.case-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 52px;
  color: var(--muted);
  font-size: 0.86rem;
  transition: color 160ms ease;
}

.case-back:hover {
  color: var(--accent);
}

.case-kicker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 0 0 22px;
  color: var(--accent);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
}

.case-kicker .sep {
  color: var(--line);
}

.case-title {
  max-width: 980px;
  margin-bottom: 30px;
  font-size: clamp(3rem, 7vw, 6.7rem);
}

.case-deck {
  max-width: 820px;
  margin-bottom: 54px;
  color: var(--muted);
  font-size: clamp(1.15rem, 2vw, 1.52rem);
  line-height: 2;
}

.case-meta-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.case-meta-item {
  min-height: 112px;
  padding: 22px 0;
  border-inline-end: 1px solid var(--line);
}

.case-meta-item:first-child {
  border-inline-end: 0;
}

.case-meta-item:not(:first-child) {
  padding-inline-start: 24px;
}

.case-meta-item span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.72rem;
}

.case-meta-item strong {
  display: block;
  max-width: 230px;
  font-size: 0.96rem;
  font-weight: 600;
  line-height: 1.8;
}

.case-section {
  padding-block: clamp(78px, 10vw, 124px);
  border-top: 1px solid var(--line);
}

.case-section-grid {
  display: grid;
  grid-template-columns: minmax(190px, 0.35fr) minmax(0, 1fr);
  gap: clamp(48px, 8vw, 110px);
}

.case-section-label {
  position: sticky;
  top: calc(var(--header) + 30px);
  align-self: start;
}

.case-section-label .section-tag {
  margin-bottom: 0;
}

.case-copy {
  max-width: 820px;
}

.case-copy h2 {
  max-width: 760px;
  font-size: clamp(1.85rem, 3vw, 3.1rem);
}

.case-copy > p {
  color: var(--muted);
  font-size: 1.04rem;
}

.case-copy .case-lead {
  color: var(--text);
  font-size: clamp(1.22rem, 2vw, 1.58rem);
  font-weight: 500;
}

.case-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  margin-top: 42px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.case-point {
  min-height: 190px;
  padding: 28px 0;
}

.case-point:nth-child(odd) {
  padding-inline-end: 30px;
  border-inline-end: 1px solid var(--line);
}

.case-point:nth-child(even) {
  padding-inline-start: 30px;
}

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

.case-point-number {
  display: block;
  margin-bottom: 14px;
  color: var(--accent);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.72rem;
}

.case-point h3 {
  margin-bottom: 10px;
  font-size: 1.35rem;
}

.case-point p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.role-statement {
  margin-top: 44px;
  padding: 28px 30px;
  border-inline-start: 3px solid var(--accent);
  background: var(--surface);
}

.role-statement p {
  margin: 0;
  font-size: 1.04rem;
}

.architecture-frame {
  margin-top: 48px;
  padding: clamp(24px, 4vw, 42px);
  border: 1px solid var(--line);
  background:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 38px 38px;
}

.architecture-caption {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 30px;
  color: var(--muted);
  font-size: 0.72rem;
}

.architecture-flow {
  display: grid;
  grid-template-columns: 1fr 42px 1.15fr 42px 1fr;
  align-items: stretch;
  gap: 10px;
}

.arch-box {
  min-height: 150px;
  padding: 22px;
  border: 1px solid var(--line);
  background: var(--bg);
}

.arch-box.accent {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px var(--accent-soft);
}

.arch-box .arch-label {
  display: block;
  margin-bottom: 18px;
  color: var(--accent);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.68rem;
}

.arch-box strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.12rem;
}

.arch-box p {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.arch-arrow {
  display: grid;
  place-items: center;
  color: var(--accent);
  direction: ltr;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 1.25rem;
}

.architecture-controls {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 18px;
  border: 1px solid var(--line);
  background: var(--line);
}

.architecture-controls span {
  padding: 11px 12px;
  background: var(--surface);
  color: var(--muted);
  direction: ltr;
  unicode-bidi: isolate;
  text-align: center;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.67rem;
}

.decision-list {
  margin-top: 22px;
  border-bottom: 1px solid var(--line);
}

.decision {
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr);
  gap: 24px;
  padding-block: 30px;
  border-top: 1px solid var(--line);
}

.decision-index {
  padding-top: 3px;
  color: var(--accent);
  direction: ltr;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.74rem;
}

.decision h3 {
  margin-bottom: 10px;
  font-size: 1.5rem;
}

.decision p {
  max-width: 690px;
  margin-bottom: 0;
  color: var(--muted);
}

.tradeoff-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 40px;
}

.tradeoff {
  min-height: 230px;
  padding: 24px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.tradeoff span {
  display: block;
  margin-bottom: 36px;
  color: var(--accent);
  direction: ltr;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.68rem;
}

.tradeoff h3 {
  margin-bottom: 12px;
  font-size: 1.25rem;
}

.tradeoff p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.outcome-list {
  margin-top: 38px;
  border-top: 1px solid var(--line);
}

.outcome-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 18px;
  padding-block: 22px;
  border-bottom: 1px solid var(--line);
}

.outcome-item span {
  color: var(--accent);
  direction: ltr;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.72rem;
}

.outcome-item p {
  margin: 0;
}

.tech-evidence {
  margin-top: 46px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.tech-evidence > p {
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 0.78rem;
}

.tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  color: var(--muted);
  direction: ltr;
  unicode-bidi: isolate;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.76rem;
}

.public-note {
  margin-top: 52px;
  padding: 24px 0 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.84rem;
}

.case-next {
  padding-block: clamp(70px, 9vw, 110px);
  border-top: 1px solid var(--line);
}

.case-next a {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 30px;
}

.case-next p {
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 0.82rem;
}

.case-next h2 {
  margin-bottom: 0;
  font-size: clamp(2rem, 4vw, 4.2rem);
}

.case-next .arrow {
  color: var(--accent);
  direction: ltr;
  font-size: clamp(2.4rem, 5vw, 5rem);
  line-height: 1;
}

@media (max-width: 980px) {
  .case-meta-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .case-meta-item:nth-child(3),
  .case-meta-item:nth-child(4) {
    border-top: 1px solid var(--line);
  }

  .case-section-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .case-section-label {
    position: static;
  }

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

  .arch-arrow {
    min-height: 34px;
    transform: rotate(-90deg);
  }

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

@media (max-width: 680px) {
  .case-hero {
    padding-top: 54px;
  }

  .case-back {
    margin-bottom: 36px;
  }

  .case-meta-grid,
  .case-points {
    grid-template-columns: 1fr;
  }

  .case-meta-item,
  .case-meta-item:not(:first-child) {
    min-height: auto;
    padding: 18px 0;
    padding-inline-start: 0;
    border-inline-end: 0;
    border-top: 1px solid var(--line);
  }

  .case-meta-item:first-child {
    border-top: 0;
  }

  .case-point,
  .case-point:nth-child(odd),
  .case-point:nth-child(even) {
    min-height: auto;
    padding: 24px 0;
    border-inline-end: 0;
    border-top: 1px solid var(--line);
  }

  .case-point:first-child {
    border-top: 0;
  }

  .architecture-controls {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .decision {
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 14px;
  }

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