.case-studies-wrapper {
  --case-bg: #0b0f14;
  --case-bg-alt: #0f141b;
  --case-surface: #111820;
  --case-surface-strong: #171f28;
  --case-text: rgba(255, 255, 255, 0.94);
  --case-text-secondary: rgba(255, 255, 255, 0.66);
  --case-text-muted: rgba(255, 255, 255, 0.46);
  --case-line: rgba(255, 255, 255, 0.09);
  --case-line-strong: rgba(58, 143, 149, 0.45);
  --case-accent: #3a8f95;
  --case-accent-bright: #64b6b8;
  --case-accent-ink: #071214;
  --case-accent-soft: rgba(58, 143, 149, 0.13);
  --case-grid: rgba(255, 255, 255, 0.028);
  min-height: 100vh;
  overflow: clip;
  background: var(--case-bg);
  color: var(--case-text);
  font-family: Inter, Satoshi, 'Helvetica Neue', Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.case-studies-wrapper *,
.case-studies-wrapper *::before,
.case-studies-wrapper *::after {
  box-sizing: border-box;
}

.case-studies-wrapper a:focus-visible,
.case-studies-wrapper button:focus-visible {
  outline: 2px solid var(--case-accent-bright);
  outline-offset: 3px;
}

.case-studies-wrapper ::selection {
  background: var(--case-accent);
  color: var(--case-accent-ink);
}

.case-studies-header,
.case-studies-grid-section,
.case-studies-trust {
  position: relative;
  isolation: isolate;
}

.case-studies-header::before,
.case-studies-grid-section::before,
.case-studies-trust::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: linear-gradient(var(--case-grid) 1px, transparent 1px), linear-gradient(90deg, var(--case-grid) 1px, transparent 1px);
  background-size: 180px 180px;
  pointer-events: none;
}

.case-studies-header {
  padding: 132px 0 96px;
  border-bottom: 1px solid var(--case-line);
  background: radial-gradient(circle at 12% 54%, var(--case-accent-soft), transparent 36%), var(--case-bg);
}

.case-studies-header-content {
  max-width: 820px;
}

.case-studies-eyebrow,
.case-studies-credibility {
  margin: 0 0 18px;
  color: var(--case-text-muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  line-height: 1.4;
  text-transform: uppercase;
}

.case-studies-headline {
  max-width: 11ch;
  margin: 0 0 28px;
  color: var(--case-text);
  font-size: clamp(3.2rem, 6.4vw, 5.2rem);
  font-weight: 590;
  letter-spacing: -0.055em;
  line-height: 0.99;
  text-wrap: balance;
}

.case-studies-subline {
  max-width: 660px;
  margin: 0 0 24px;
  color: var(--case-text-secondary);
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  line-height: 1.75;
}

.case-studies-credibility {
  margin: 0;
  color: var(--case-accent-bright);
  letter-spacing: 0.1em;
}

.case-studies-filters {
  padding: 28px 0;
  border-bottom: 1px solid var(--case-line);
  background: var(--case-bg-alt);
}

.filter-tabs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.filter-btn {
  min-height: 40px;
  padding: 0 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--case-line);
  border-radius: 5px;
  background: transparent;
  color: var(--case-text-muted);
  font: inherit;
  font-size: 0.78rem;
  font-weight: 650;
  cursor: pointer;
  text-decoration: none;
  transition:
    border-color 160ms ease,
    background-color 160ms ease,
    color 160ms ease;
}

.filter-btn:hover,
.filter-btn:focus-visible {
  border-color: var(--case-line-strong);
  color: var(--case-accent-bright);
  text-decoration: none;
}

.filter-btn-active {
  border-color: var(--case-line-strong);
  background: var(--case-accent-soft);
  color: var(--case-accent-bright);
}

.case-studies-grid-section {
  padding: 96px 0;
  background: var(--case-bg);
  content-visibility: auto;
  contain-intrinsic-size: auto 1100px;
}

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

.case-study-card {
  min-width: 0;
  padding: clamp(28px, 4vw, 50px);
  border: 1px solid var(--case-line);
  border-radius: 8px;
  background: linear-gradient(145deg, var(--case-accent-soft), transparent 32%), var(--case-surface);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.12);
  transition:
    border-color 180ms ease,
    transform 180ms ease,
    box-shadow 180ms ease;
  animation: case-reveal 360ms ease both;
}

.case-study-card:hover {
  border-color: var(--case-line-strong);
  transform: translateY(-3px);
  box-shadow: 0 28px 76px rgba(0, 0, 0, 0.24);
}

.case-study-card-inner {
  display: flex;
  flex-direction: column;
}

.case-study-meta {
  margin-bottom: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.case-study-tag {
  display: inline-flex;
  min-height: 28px;
  padding: 0 11px;
  align-items: center;
  border: 1px solid var(--case-line-strong);
  border-radius: 4px;
  background: var(--case-accent-soft);
  color: var(--case-accent-bright);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.case-study-timeline {
  color: var(--case-text-muted);
  font-size: 0.75rem;
  font-weight: 550;
}

.case-study-title-row {
  display: flex;
  align-items: center;
  gap: 18px;
}

.case-study-icon {
  width: 46px;
  height: 46px;
  flex: 0 0 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--case-line);
  border-radius: 7px;
  background: var(--case-accent-soft);
  color: var(--case-accent-bright);
}

.case-study-icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.55;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.case-study-title {
  max-width: 24ch;
  margin: 0;
  color: var(--case-text);
  font-size: clamp(1.65rem, 3vw, 2.35rem);
  font-weight: 590;
  letter-spacing: -0.035em;
  line-height: 1.12;
  text-wrap: balance;
}

.case-study-divider {
  width: 100%;
  height: 1px;
  margin: 30px 0;
  background: var(--case-line);
}

.case-study-content {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px 42px;
}

.case-study-section {
  min-width: 0;
}

.case-study-label {
  display: block;
  margin-bottom: 8px;
  color: var(--case-accent-bright);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.case-study-text {
  margin: 0;
  color: var(--case-text-secondary);
  font-size: 0.92rem;
  line-height: 1.72;
}

.case-study-outcome-text {
  color: var(--case-text);
  font-weight: 550;
}

.case-study-cta {
  width: fit-content;
  margin-top: 32px;
  color: var(--case-accent-bright);
  font-size: 0.84rem;
  font-weight: 700;
  text-decoration: none;
}

.case-study-cta:hover,
.case-study-cta:focus-visible {
  color: var(--case-text);
  text-decoration: none;
}

.case-studies-empty {
  padding: 64px 24px;
  border: 1px solid var(--case-line);
  text-align: center;
  color: var(--case-text-muted);
}

.case-studies-pagination {
  display: flex;
  justify-content: center;
  margin-top: 44px;
}

.case-studies-pagination .page-link {
  border-color: var(--case-line);
  background: var(--case-surface);
  color: var(--case-accent-bright);
}

.case-studies-pagination .page-link:hover,
.case-studies-pagination .active > .page-link {
  border-color: var(--case-line-strong);
  background: var(--case-accent-soft);
  color: var(--case-text);
}

.case-studies-trust {
  padding: 84px 0;
  border-top: 1px solid var(--case-line);
  background: var(--case-bg-alt);
  content-visibility: auto;
  contain-intrinsic-size: auto 280px;
}

.trust-content {
  max-width: 700px;
}

.trust-headline {
  margin: 0 0 14px;
  color: var(--case-text);
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  font-weight: 590;
  letter-spacing: -0.035em;
}

.trust-body {
  margin: 0;
  color: var(--case-text-secondary);
  font-size: 1rem;
  line-height: 1.75;
}

@keyframes case-reveal {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 991px) {
  .case-studies-header {
    padding: 104px 0 78px;
  }

  .case-studies-grid-section {
    padding: 76px 0;
  }

  .case-study-content {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

@media (max-width: 575px) {
  .case-studies-header {
    padding: 76px 0 60px;
  }

  .case-studies-headline {
    font-size: clamp(2.7rem, 13vw, 3.6rem);
  }

  .filter-tabs {
    align-items: stretch;
    flex-direction: column;
  }

  .filter-btn {
    width: 100%;
  }

  .case-studies-grid-section {
    padding: 58px 0;
  }

  .case-study-meta {
    align-items: flex-start;
    flex-direction: column;
  }

  .case-study-title-row {
    gap: 13px;
  }

  .case-study-icon {
    width: 40px;
    height: 40px;
    flex-basis: 40px;
  }

  .case-study-divider {
    margin: 24px 0;
  }

  .case-studies-trust {
    padding: 64px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .case-studies-wrapper *,
  .case-studies-wrapper *::before,
  .case-studies-wrapper *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}