.case-portfolio-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr);
  gap: 36px;
  align-items: start;
}

.case-portfolio-intro h2 { margin: 8px 0 14px; }
.case-portfolio-intro p { max-width: 760px; color: var(--muted, #526b78); }

.case-language-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px;
  border: 1px solid #d5e3e9;
  border-radius: 14px;
  background: #f4f9fb;
}

.case-language-switch button {
  flex: 1 1 80px;
  min-height: 42px;
  border: 1px solid transparent;
  border-radius: 10px;
  background: transparent;
  color: #365666;
  font: inherit;
  font-weight: 750;
  cursor: pointer;
}

.case-language-switch button:hover,
.case-language-switch button:focus-visible { border-color: #8dbdce; background: #fff; }
.case-language-switch button.is-active { background: #087daa; color: #fff; box-shadow: 0 7px 18px rgba(8, 125, 170, .22); }

.case-proof-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 34px;
  overflow: hidden;
  border: 1px solid #d5e3e9;
  border-radius: 16px;
  background: #d5e3e9;
}

.case-proof-strip div { padding: 22px 24px; background: #fff; }
.case-proof-strip strong { display: block; color: #087daa; font-size: clamp(28px, 4vw, 42px); line-height: 1; }
.case-proof-strip span { display: block; margin-top: 7px; color: #4f6875; font-size: 14px; }

.case-boundary {
  padding: 24px;
  border-left: 4px solid #087daa;
  border-radius: 0 14px 14px 0;
  background: #edf6fa;
}

.case-boundary strong { display: block; margin-bottom: 7px; color: #123b50; }
.case-boundary p { margin: 0; font-size: 14px; line-height: 1.7; }

.case-gallery-head {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: end;
  margin-bottom: 24px;
}

.case-gallery-head h2 { margin: 8px 0 0; }
.case-results { color: #526b78; font-size: 14px; white-space: nowrap; }

.case-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: 0 0 28px;
}

.case-filter {
  min-height: 40px;
  padding: 8px 15px;
  border: 1px solid #c9dbe3;
  border-radius: 999px;
  background: #fff;
  color: #294b5b;
  font: inherit;
  font-size: 14px;
  font-weight: 720;
  cursor: pointer;
}

.case-filter:hover,
.case-filter:focus-visible { border-color: #087daa; color: #087daa; }
.case-filter.is-active { border-color: #087daa; background: #087daa; color: #fff; }

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.case-card {
  overflow: hidden;
  border: 1px solid #d6e3e9;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 13px 34px rgba(18, 59, 80, .08);
  content-visibility: auto;
  contain-intrinsic-size: 430px;
}

.case-card-media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-bottom: 1px solid #d6e3e9;
  background: #edf5f8;
}

.case-card-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.case-card-media span {
  position: absolute;
  left: 12px;
  bottom: 12px;
  padding: 6px 9px;
  border-radius: 7px;
  background: rgba(18, 59, 80, .9);
  color: #fff;
  font-size: 11px;
  font-weight: 750;
  letter-spacing: .04em;
}

.case-card-body { padding: 20px; }
.case-card-body h3 { margin: 0 0 11px; color: #123b50; font-size: 19px; line-height: 1.32; }
.case-card-body p { margin: 0; color: #526b78; font-size: 14px; line-height: 1.62; }
.case-card-body p + p { margin-top: 11px; padding-top: 11px; border-top: 1px solid #e1ebef; }
.case-card-body p strong { color: #294b5b; }

.case-specs { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 14px; padding: 0; list-style: none; }
.case-specs li { padding: 5px 8px; border-radius: 6px; background: #edf6fa; color: #087daa; font-size: 11px; font-weight: 750; }

.case-load-wrap { display: flex; justify-content: center; margin-top: 34px; }
.case-load-wrap[hidden] { display: none; }

.case-method-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  counter-reset: case-method;
}

.case-method-grid article { padding: 24px; border: 1px solid #d7e4ea; border-radius: 15px; background: #fff; }
.case-method-grid article::before { counter-increment: case-method; content: "0" counter(case-method); display: block; margin-bottom: 18px; color: #087daa; font-size: 13px; font-weight: 800; }
.case-method-grid h3 { margin: 0 0 8px; font-size: 18px; color: #123b50; }
.case-method-grid p { margin: 0; color: #526b78; font-size: 14px; line-height: 1.65; }

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

@media (min-width: 901px) and (max-width: 1300px) {
  .case-portfolio-page .header-cta { padding-inline: 13px; font-size: 13px; }
}

@media (max-width: 720px) {
  .case-portfolio-intro { grid-template-columns: 1fr; gap: 22px; }
  .case-proof-strip { grid-template-columns: 1fr; }
  .case-gallery-head { display: block; }
  .case-results { display: block; margin-top: 10px; }
  .case-grid, .case-method-grid { grid-template-columns: 1fr; }
  .case-card-body { padding: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  .case-language-switch button, .case-filter { scroll-behavior: auto; }
}