.cases-hero {
  padding-top: clamp(140px, 20vw, 200px);
  padding-bottom: 48px;
}

.cases-hero__title { max-width: 16ch; font-size: var(--fs-hero); }

.cases-filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  padding-bottom: 56px;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--c-line);
}

.case-real-card {
  background: var(--c-ink);
  display: flex;
  flex-direction: column;
  text-align: left;
  transition: background var(--dur-medium) var(--ease-out-expo);
}

.case-real-card:hover { background: var(--c-graphite); }

.case-real-card.is-hidden { display: none; }

.case-real-card__meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 20px 20px 0;
}

.case-real-card__tag {
  font-family: var(--f-mono);
  font-size: 12px;
  color: var(--c-mist);
  line-height: 1.4;
}

.case-real-card__metric {
  font-family: var(--f-mono);
  font-size: 18px;
  color: var(--c-signal);
  white-space: nowrap;
}

.case-real-card__frame {
  padding: 16px 20px 20px;
}

.case-real-card__frame img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--c-line-strong);
  transition: transform var(--dur-medium) var(--ease-out-expo);
}

.case-real-card:hover .case-real-card__frame img { transform: scale(1.015); }

@media (max-width: 900px) {
  .case-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .case-grid { grid-template-columns: 1fr; }
}

.case-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  background: var(--c-ink);
  overflow-y: auto;
  transform: translateY(100%);
  opacity: 0;
  transition: transform var(--dur-page) var(--ease-out-expo), opacity var(--dur-page) var(--ease-out-expo);
  pointer-events: none;
}

.case-overlay.is-open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.case-overlay__inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding: 120px var(--gutter) 120px;
}

.case-overlay__close {
  position: fixed;
  top: 24px;
  right: max(24px, calc((100vw - var(--container-max)) / 2 + var(--gutter) - 40px));
  width: 48px; height: 48px;
  border-radius: 50%;
  border: 1px solid var(--c-line-strong);
  display: flex; align-items: center; justify-content: center;
  z-index: 2;
  background: var(--c-ink);
}

.case-overlay__tag { font-family: var(--f-mono); font-size: 13px; color: var(--c-mist); }

.case-overlay__title { max-width: 24ch; margin-top: 16px; }

.case-overlay__meta {
  display: flex;
  gap: 48px;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--c-line);
  flex-wrap: wrap;
}

.case-overlay__meta-item .mono-tag { display: block; margin-bottom: 8px; }

.case-overlay__meta-item strong {
  font-family: var(--f-mono);
  font-size: 24px;
  color: var(--c-signal);
  font-weight: 500;
}

.case-overlay__image {
  margin-top: 40px;
  border: 1px solid var(--c-line-strong);
}

.case-overlay__image img { width: 100%; height: auto; display: block; }

.case-overlay__process {
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--c-line);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.case-overlay__process-item .mono-tag { display: block; margin-bottom: 10px; color: var(--c-signal); }

.case-overlay__process-item p { color: var(--c-mist); line-height: 1.6; }

@media (max-width: 720px) {
  .case-overlay__process { grid-template-columns: 1fr; gap: 24px; }
}

.case-overlay__cta {
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid var(--c-line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

@media (max-width: 620px) {
  .case-overlay__inner { padding-top: 100px; }
  .case-overlay__meta { gap: 28px; }
  .case-overlay__cta { flex-direction: column; align-items: flex-start; }
}