[data-case-study-stack-root] {
  display: none;
}

.case-stack-enhanced > [data-case-study-stack-root] {
  display: block;
}

.case-stack-enhanced > .case-stack-fallback {
  display: none;
}

.case-stack-fallback {
  --case-accent-rgb: 56 189 248;
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(380px, 1.14fr);
  gap: clamp(2rem, 5vw, 5.5rem);
  align-items: center;
  position: relative;
}

.case-stack-fallback--sky {
  --case-accent-rgb: 56 189 248;
}

.case-stack-fallback--indigo {
  --case-accent-rgb: 139 92 246;
}

.case-stack-copy {
  position: relative;
  z-index: 2;
}

.case-stack-eyebrow {
  margin: 0 0 1rem;
  color: rgb(var(--case-accent-rgb));
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.case-stack-title {
  margin: 0;
  color: white;
  font-size: clamp(2.45rem, 5vw, 4.65rem);
  font-weight: 500;
  letter-spacing: 0;
  line-height: 0.98;
}

.case-stack-description {
  margin: 1.5rem 0 0;
  max-width: 42rem;
  color: rgb(163 163 163);
  font-size: clamp(1rem, 1.4vw, 1.16rem);
  font-weight: 300;
  line-height: 1.75;
}

.case-stack-highlights {
  display: grid;
  gap: 0.8rem;
  margin: 1.8rem 0 0;
  padding: 0;
  color: rgb(212 212 212);
  list-style: none;
}

.case-stack-highlights li {
  display: grid;
  grid-template-columns: 0.72rem 1fr;
  gap: 0.8rem;
  align-items: start;
  font-size: 0.95rem;
  line-height: 1.6;
}

.case-stack-highlights li::before {
  content: "";
  width: 0.48rem;
  height: 0.48rem;
  margin-top: 0.54rem;
  border-radius: 999px;
  background: rgb(var(--case-accent-rgb));
  box-shadow: 0 0 18px rgb(var(--case-accent-rgb) / 0.45);
}

.case-stack-cta {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  margin-top: 2rem;
  border: 1px solid rgb(255 255 255 / 0.14);
  border-radius: 999px;
  padding: 0.8rem 1.1rem;
  color: white;
  background: rgb(255 255 255 / 0.06);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  transition: transform 520ms cubic-bezier(0.22, 1, 0.36, 1), border-color 520ms cubic-bezier(0.22, 1, 0.36, 1), background 520ms cubic-bezier(0.22, 1, 0.36, 1);
}

.case-stack-cta:hover {
  transform: translateY(-2px);
  border-color: rgb(var(--case-accent-rgb) / 0.45);
  background: rgb(var(--case-accent-rgb) / 0.12);
}

.case-stack-preview {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  align-items: stretch;
  min-width: 0;
}

.case-stack-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  justify-content: flex-start;
  position: relative;
  z-index: 5;
}

.case-stack-nav-button {
  flex: 1 1 clamp(7.25rem, 18vw, 11rem);
  min-width: min(100%, 7.25rem);
  appearance: none;
  border: 1px solid rgb(255 255 255 / 0.08);
  border-radius: 999px;
  padding: 0.62rem 0.78rem;
  color: rgb(163 163 163);
  background: rgb(255 255 255 / 0.035);
  font: inherit;
  font-size: 0.78rem;
  text-align: center;
  cursor: pointer;
  transition: opacity 520ms cubic-bezier(0.22, 1, 0.36, 1), transform 520ms cubic-bezier(0.22, 1, 0.36, 1), color 520ms cubic-bezier(0.22, 1, 0.36, 1), border-color 520ms cubic-bezier(0.22, 1, 0.36, 1), background 520ms cubic-bezier(0.22, 1, 0.36, 1);
}

.case-stack-nav-button:hover,
.case-stack-nav-button:focus-visible {
  color: white;
  transform: translateY(-2px);
  border-color: rgb(var(--case-accent-rgb) / 0.32);
}

.case-stack-nav-button:focus-visible {
  outline: 2px solid rgb(var(--case-accent-rgb) / 0.7);
  outline-offset: 3px;
}

.case-stack-nav-button[data-active="true"] {
  color: white;
  border-color: rgb(var(--case-accent-rgb) / 0.4);
  background: linear-gradient(135deg, rgb(var(--case-accent-rgb) / 0.16), rgb(255 255 255 / 0.045));
  box-shadow: 0 0 28px rgb(var(--case-accent-rgb) / 0.12);
}

.case-stack-stage {
  position: relative;
  min-height: clamp(30rem, 52vw, 43rem);
  perspective: 1300px;
  transform-style: preserve-3d;
  isolation: isolate;
  touch-action: pan-y pinch-zoom;
  user-select: none;
  cursor: pointer;
}

.case-stack-stage:focus-visible {
  outline: 2px solid rgb(var(--case-accent-rgb) / 0.76);
  outline-offset: 8px;
  border-radius: 28px;
}

.case-stack-glow {
  position: absolute;
  left: 16%;
  right: 2%;
  bottom: 5%;
  height: 36%;
  border-radius: 999px;
  background:
    radial-gradient(circle at 48% 50%, rgb(var(--case-accent-rgb) / 0.22), transparent 62%),
    radial-gradient(circle at 70% 36%, rgb(var(--case-accent-rgb) / 0.12), transparent 58%);
  filter: blur(36px);
  opacity: 0.84;
  transform: rotate(-8deg);
  pointer-events: none;
}

.case-stack-track {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
}

.case-stack-card {
  --stack-x: 0px;
  --stack-y: 0px;
  --stack-z: 0px;
  --stack-scale: 1;
  --stack-opacity: 1;
  position: absolute;
  left: 0;
  top: 8%;
  width: min(96%, 48rem);
  aspect-ratio: 16 / 10;
  appearance: none;
  border: 0;
  padding: 0;
  background: transparent;
  pointer-events: none;
  transform:
    translate3d(var(--stack-x), var(--stack-y), var(--stack-z))
    rotateX(60deg)
    rotateZ(-8deg)
    scale(var(--stack-scale));
  opacity: var(--stack-opacity);
  transform-style: preserve-3d;
  transition:
    transform 900ms cubic-bezier(0.22, 1, 0.36, 1),
    opacity 900ms cubic-bezier(0.22, 1, 0.36, 1),
    filter 900ms cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform, opacity;
}

.case-stack-card[data-active="true"] {
  transform:
    translate3d(-24px, -22px, 74px)
    rotateX(7deg)
    rotateZ(-1.5deg)
    scale(1.01);
  filter: saturate(1.06) brightness(1.04);
}

@media (min-width: 1081px) {
  .case-stack-card:not([data-active="true"]) {
    transform:
      translate3d(var(--stack-x), calc(var(--stack-y) + 58px), var(--stack-z))
      rotateX(60deg)
      rotateZ(-8deg)
      scale(var(--stack-scale));
  }
}

.case-stack-card-surface {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  overflow: hidden;
  border: 1px solid rgb(255 255 255 / 0.15);
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgb(255 255 255 / 0.11), transparent 18%),
    rgb(10 14 20 / 0.72);
  box-shadow:
    0 54px 110px rgb(0 0 0 / 0.58),
    0 18px 52px rgb(var(--case-accent-rgb) / 0.13),
    inset 0 1px 0 rgb(255 255 255 / 0.18);
  backdrop-filter: blur(18px);
  transform: translateZ(0);
  transition: transform 900ms cubic-bezier(0.22, 1, 0.36, 1), box-shadow 900ms cubic-bezier(0.22, 1, 0.36, 1);
}

.case-stack-card img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
  transform: translateZ(0);
}

.case-stack-reflection,
.case-stack-vignette {
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
}

.case-stack-reflection {
  background:
    linear-gradient(112deg, rgb(255 255 255 / 0.18), transparent 22% 58%, rgb(255 255 255 / 0.08) 72%, transparent),
    linear-gradient(180deg, rgb(255 255 255 / 0.16), transparent 18%);
  mix-blend-mode: screen;
  opacity: 0.42;
}

.case-stack-vignette {
  box-shadow:
    inset 0 0 0 1px rgb(255 255 255 / 0.06),
    inset 0 -46px 80px rgb(0 0 0 / 0.34),
    inset 0 0 80px rgb(0 0 0 / 0.28);
}

@media (max-width: 1080px) {
  .case-stack-fallback {
    grid-template-columns: 1fr;
  }

  .case-stack-preview {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    width: 100%;
    max-width: none;
  }

  .case-stack-nav {
    display: flex;
    flex-wrap: wrap;
  }

  .case-stack-nav-button {
    text-align: center;
  }

  .case-stack-nav-button:hover,
  .case-stack-nav-button:focus-visible {
    transform: translateY(-2px);
  }

  .case-stack-stage {
    min-height: clamp(22rem, 52vw, 32rem);
    max-width: none;
    overflow: hidden;
    perspective: none;
  }

  .case-stack-card {
    left: 0;
    top: 6%;
    width: min(72%, 46rem);
    transform:
      translate3d(0, 0, 0)
      rotateX(0deg)
      rotateZ(0deg)
      scale(1);
  }

  .case-stack-card[data-active="true"] {
    transform:
      translate3d(0, 0, 0)
      rotateX(0deg)
      rotateZ(0deg)
      scale(1);
  }

  .case-stack-card:not([data-active="true"]) {
    opacity: 0.24;
  }

  .case-stack-card:not([data-active="true"]) .case-stack-card-surface {
    background:
      linear-gradient(180deg, rgb(255 255 255 / 0.16), transparent 28%),
      linear-gradient(135deg, rgb(var(--case-accent-rgb) / 0.24), rgb(16 24 36 / 0.88));
    box-shadow:
      0 34px 70px rgb(0 0 0 / 0.46),
      0 12px 36px rgb(var(--case-accent-rgb) / 0.14),
      inset 0 1px 0 rgb(255 255 255 / 0.22);
  }

  .case-stack-card:not([data-active="true"]) .case-stack-card-surface img {
    opacity: 0.74;
  }

  .case-stack-card:not([data-active="true"]) .case-stack-reflection {
    opacity: 0.32;
  }

  .case-stack-card[data-depth="1"] {
    opacity: 0.58;
    transform:
      translate3d(58%, 12px, 0)
      rotateX(0deg)
      rotateZ(0deg)
      scale(0.92);
  }

  .case-stack-card[data-depth="2"] {
    opacity: 0.32;
    transform:
      translate3d(82%, 20px, 0)
      rotateX(0deg)
      rotateZ(0deg)
      scale(0.86);
    pointer-events: none;
  }

  .case-stack-card[data-depth="3"] {
    opacity: 0.12;
    transform:
      translate3d(101%, 26px, 0)
      rotateX(0deg)
      rotateZ(0deg)
      scale(0.8);
    pointer-events: none;
  }

  .case-stack-card[data-depth="4"],
  .case-stack-card[data-depth="5"] {
    opacity: 0.2;
    z-index: 16 !important;
    transform:
      translate3d(-88%, 14px, 0)
      rotateX(0deg)
      rotateZ(0deg)
      scale(0.88);
    pointer-events: none;
  }
}

@media (min-width: 768px) and (max-width: 1080px) {
  .case-stack-preview {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    width: 100%;
    max-width: none;
  }

  .case-stack-nav {
    display: flex;
    flex-wrap: wrap;
  }

  .case-stack-nav-button {
    text-align: center;
  }

  .case-stack-nav-button:hover,
  .case-stack-nav-button:focus-visible {
    transform: translateY(-2px);
  }

  .case-stack-stage {
    min-height: clamp(24rem, 52vw, 32rem);
    max-width: none;
    overflow: hidden;
    perspective: none;
  }

  .case-stack-card {
    left: 0;
    top: 6%;
    width: min(72%, 46rem);
    transform:
      translate3d(0, 0, 0)
      rotateX(0deg)
      rotateZ(0deg)
      scale(var(--stack-scale));
  }

  .case-stack-card[data-active="true"] {
    transform:
      translate3d(0, 0, 0)
      rotateX(0deg)
      rotateZ(0deg)
      scale(1);
  }

  .case-stack-card:not([data-active="true"]) {
    opacity: 0.24;
  }

  .case-stack-card:not([data-active="true"]) .case-stack-card-surface img {
    opacity: 0.74;
  }

  .case-stack-card[data-depth="1"] {
    opacity: 0.58;
    transform:
      translate3d(58%, 12px, 0)
      rotateX(0deg)
      rotateZ(0deg)
      scale(0.92);
  }

  .case-stack-card[data-depth="2"] {
    opacity: 0.32;
    transform:
      translate3d(82%, 20px, 0)
      rotateX(0deg)
      rotateZ(0deg)
      scale(0.86);
  }

  .case-stack-card[data-depth="3"] {
    opacity: 0.12;
    transform:
      translate3d(101%, 26px, 0)
      rotateX(0deg)
      rotateZ(0deg)
      scale(0.8);
  }

  .case-stack-card[data-depth="4"],
  .case-stack-card[data-depth="5"] {
    opacity: 0.2;
    z-index: 16 !important;
    transform:
      translate3d(-88%, 14px, 0)
      rotateX(0deg)
      rotateZ(0deg)
      scale(0.88);
  }
}

@media (max-width: 820px) {
  .case-stack-preview {
    grid-template-columns: 1fr;
  }

  .case-stack-nav {
    display: flex;
    flex-wrap: wrap;
  }

  .case-stack-stage {
    min-height: clamp(20rem, 66vw, 28rem);
    overflow: hidden;
    perspective: none;
  }

  .case-stack-card {
    left: 0;
    top: 6%;
    width: 84%;
    transform:
      translate3d(0, 0, 0)
      rotateX(0deg)
      rotateZ(0deg)
      scale(1);
  }

  .case-stack-card[data-active="true"] {
    transform:
      translate3d(0, 0, 0)
      rotateX(0deg)
      rotateZ(0deg)
      scale(1);
  }

  .case-stack-card[data-depth="1"] {
    opacity: 0.5;
    transform:
      translate3d(70%, 10px, 0)
      rotateX(0deg)
      rotateZ(0deg)
      scale(0.9);
  }

  .case-stack-card[data-depth="2"] {
    opacity: 0.22;
    transform:
      translate3d(92%, 16px, 0)
      rotateX(0deg)
      rotateZ(0deg)
      scale(0.84);
  }

  .case-stack-card[data-depth="3"] {
    opacity: 0;
    pointer-events: none;
  }

  .case-stack-card[data-depth="4"],
  .case-stack-card[data-depth="5"] {
    opacity: 0.16;
    z-index: 16 !important;
    transform:
      translate3d(-90%, 12px, 0)
      rotateX(0deg)
      rotateZ(0deg)
      scale(0.86);
    pointer-events: none;
  }
}

@media (max-width: 560px) {
  .case-stack-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
  }

  .case-stack-nav-button {
    white-space: normal;
  }

  .case-stack-stage {
    min-height: clamp(17rem, 66vw, 22rem);
    perspective: 620px;
  }

  .case-stack-card {
    left: 0;
    top: 6%;
    width: 88%;
    transform:
      translate3d(0, 0, 0)
      rotateX(0deg)
      rotateZ(0deg)
      scale(1);
  }

  .case-stack-card[data-active="true"] {
    transform:
      translate3d(0, 0, 12px)
      rotateX(0deg)
      rotateZ(0deg)
      scale(1);
  }

  .case-stack-card[data-depth="1"] {
    opacity: 0.46;
    transform:
      translate3d(76%, 8px, 0)
      rotateX(0deg)
      rotateZ(0deg)
      scale(0.9);
  }

  .case-stack-card[data-depth="2"] {
    opacity: 0.16;
    transform:
      translate3d(96%, 12px, 0)
      rotateX(0deg)
      rotateZ(0deg)
      scale(0.84);
  }

  .case-stack-card[data-depth="3"] {
    opacity: 0;
    pointer-events: none;
  }

  .case-stack-card[data-depth="4"],
  .case-stack-card[data-depth="5"] {
    opacity: 0.12;
    z-index: 16 !important;
    transform:
      translate3d(-92%, 8px, 0)
      rotateX(0deg)
      rotateZ(0deg)
      scale(0.86);
    pointer-events: none;
  }

}

@media (prefers-reduced-motion: reduce) {
  .case-stack-card,
  .case-stack-card-surface,
  .case-stack-nav-button,
  .case-stack-cta {
    transition: none;
  }
}