/* Case studies deliberately reuse the portfolio shell and design tokens. */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body.case-study-page {
  --case-type-title: clamp(48px, 8vw, 126px);
  --case-type-lead: clamp(20px, 2.2vw, 34px);
  --case-type-h2: clamp(34px, 4.1vw, 62px);
  --case-type-h3: clamp(22px, 2vw, 30px);
  --case-type-body: clamp(16px, 1.18vw, 19px);
  --case-type-caption: 12px;
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--color--foreground--100);
  background: var(--color--background--100);
}

/* Reading sizes are scoped to the case-study article, never global UI. */
body.case-study-page[data-case-text-size="extra-small"] {
  --case-type-title: clamp(40px, 6.9vw, 106px);
  --case-type-lead: clamp(17px, 1.75vw, 27px);
  --case-type-h2: clamp(28px, 3.35vw, 50px);
  --case-type-h3: clamp(18px, 1.6vw, 24px);
  --case-type-body: clamp(14px, 0.95vw, 16px);
  --case-type-caption: 10px;
}

body.case-study-page[data-case-text-size="small"] {
  --case-type-title: clamp(44px, 7.4vw, 116px);
  --case-type-lead: clamp(18px, 1.95vw, 30px);
  --case-type-h2: clamp(31px, 3.7vw, 56px);
  --case-type-h3: clamp(20px, 1.8vw, 27px);
  --case-type-body: clamp(15px, 1.05vw, 17px);
  --case-type-caption: 11px;
}

body.case-study-page[data-case-text-size="large"] {
  --case-type-title: clamp(52px, 8.4vw, 132px);
  --case-type-lead: clamp(22px, 2.4vw, 37px);
  --case-type-h2: clamp(37px, 4.5vw, 68px);
  --case-type-h3: clamp(24px, 2.2vw, 33px);
  --case-type-body: clamp(18px, 1.35vw, 21px);
  --case-type-caption: 13px;
}

body.case-study-page[data-case-text-size="extra-large"] {
  --case-type-title: clamp(56px, 8.8vw, 138px);
  --case-type-lead: clamp(24px, 2.6vw, 40px);
  --case-type-h2: clamp(40px, 4.9vw, 74px);
  --case-type-h3: clamp(26px, 2.4vw, 36px);
  --case-type-body: clamp(20px, 1.5vw, 23px);
  --case-type-caption: 14px;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* The case-study header is the homepage header; only the brand becomes Back. */
.case-study-page .app-header {
  background: linear-gradient(180deg, var(--color--background--100) 0%, transparent 100%);
}

.case-study-page .app-header .brand {
  display: block;
  color: inherit;
  border: 0;
  text-decoration: none;
}

.case-study-page .app-header .brand:hover {
  cursor: pointer;
}

.case-study-page .app-header .navigation {
  border: 0;
  color: inherit;
  background: transparent;
  font: inherit;
}

.case-study-page .app-header .navigation > .content,
.case-study-page .app-header .navigation .icon {
  display: flex;
  align-items: center;
  justify-content: center;
}

.case-study-page .app-nav .item {
  transition: color 200ms ease-out;
}

.case-study-main {
  position: relative;
  z-index: 1;
}

.case-study-article {
  padding: 0 var(--grid--app-margin);
  display: grid;
  grid-template-columns: var(--grid--app-columns);
  gap: 0 var(--grid--app-gutter);
}

.case-study-hero,
.case-study-reading-bar,
.case-study-media,
.case-study-note,
.case-study-section,
.case-study-gallery,
.case-study-carousel,
.case-study-next,
.case-study-closing-cta,
.case-study-footer {
  grid-column: 3 / -1;
  scroll-margin-top: 196px;
}

.case-study-hero {
  padding-top: var(--grid--app-xheight);
}

.case-study-eyebrow,
.case-study-section__label,
.case-study-fact dt {
  color: var(--color--foreground--50);
  font-size: 12px;
  line-height: 1.3;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.case-study-eyebrow {
  font-size: 16px;
  line-height: 1.45;
}

.case-study-fact dt {
  font-size: 14px;
  line-height: 1.4;
}

.case-study-hero h1 {
  max-width: 14ch;
  margin: 14px 0 28px var(--font--margin-left);
  font-size: var(--case-type-title);
  line-height: 0.9;
  letter-spacing: -0.05em;
}

[dir="rtl"] .case-study-hero h1,
[dir="rtl"] .case-study-section h2,
[dir="rtl"] .case-study-next strong {
  line-height: 1.25;
  letter-spacing: 0;
}

.case-study-lead {
  max-width: 820px;
  color: var(--color--foreground--50);
  font-size: var(--case-type-lead);
  line-height: 1.4;
  letter-spacing: -0.018em;
}

.case-study-facts {
  margin-top: clamp(48px, 7vw, 88px);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--color--foreground--10);
  background: var(--color--foreground--10);
}

.case-study-fact {
  min-height: 116px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  background: var(--color--background--100);
}

.case-study-fact dd {
  width: 100%;
  margin: 10px 0 0;
  padding: 0;
  font-size: 17px;
  line-height: 1.35;
  text-align: start;
}

/* A compact, fixed reading switch stays available throughout the article. */
.case-study-reading-bar {
  position: fixed;
  top: auto;
  right: var(--grid--app-margin);
  bottom: var(--grid--app-margin);
  z-index: 40;
  width: max-content;
  display: flex;
  justify-content: center;
  opacity: 1;
  visibility: visible;
  transform: translate3d(0, 0, 0) scale(1);
  transition:
    opacity 220ms ease-out,
    transform 220ms cubic-bezier(0.22, 1, 0.36, 1),
    visibility 0s linear 0s;
  pointer-events: none;
}

/* Keep the reading control out of the footer's way, then restore it when
   the visitor scrolls back into the case-study article. */
body.case-study-footer--is-visible .case-study-reading-bar {
  opacity: 0;
  visibility: hidden;
  transform: translate3d(0, 12px, 0) scale(0.96);
  transition-delay: 0s, 0s, 220ms;
}

[dir="rtl"] .case-study-reading-bar {
  right: auto;
  left: calc(var(--grid--app-margin) + 60px);
}

.case-study-reading-mode {
  padding: 4px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
  border: 1px solid var(--color--foreground--10);
  border-radius: 999px;
  background: var(--color--background--100);
  background: color-mix(in srgb, var(--color--background--100) 78%, transparent);
  box-shadow: 0 12px 40px var(--color--foreground--10);
  -webkit-backdrop-filter: blur(18px) saturate(1.15);
  backdrop-filter: blur(18px) saturate(1.15);
  pointer-events: auto;
}

.case-study-reading-mode__button {
  min-width: 112px;
  min-height: 48px;
  padding: 7px 15px;
  border: 0;
  border-radius: 999px;
  color: var(--color--foreground--50);
  background: transparent;
  font: inherit;
  text-align: center;
  cursor: pointer;
  transition: color 180ms ease-out, background-color 180ms ease-out, transform 180ms ease-out;
}

.case-study-reading-mode__button span {
  display: block;
}

.case-study-reading-mode__button span {
  font-size: 13px;
  line-height: 1.2;
}

.case-study-reading-mode__button:hover {
  color: var(--color--foreground--100);
}

.case-study-reading-mode__button.is-active {
  color: var(--color--background--100);
  background: var(--color--foreground--100);
}

.case-study-reading-mode__button:active {
  transform: scale(0.98);
}

body[data-reading-view="details"] [data-reading-mode="tldr-only"],
body[data-reading-view="tldr"] [data-reading-mode="supporting"] {
  display: none !important;
}

body[data-reading-view="details"] [data-reading-nav="tldr"],
body[data-reading-view="tldr"] [data-reading-nav="details"] {
  display: none;
}

.case-study-article.is-reading-transitioning [data-reading-mode="essential"],
.case-study-article.is-reading-transitioning [data-reading-mode="chrome"] {
  opacity: 0.68;
  transform: translate3d(0, 5px, 0);
}

.case-study-media {
  margin-top: clamp(36px, 5vw, 72px);
  overflow: hidden;
  border: 1px solid var(--color--foreground--10);
  background: var(--color--foreground--5);
}

.case-study-media img,
.case-study-gallery img,
.case-study-carousel img {
  width: 100%;
  height: auto;
  display: block;
}

.case-study-media figcaption {
  padding: 14px 16px;
  color: var(--color--foreground--50);
  font-size: var(--case-type-caption);
  line-height: 1.55;
}

.case-study-note {
  margin-top: 12px;
  padding: 20px 22px;
  display: grid;
  grid-template-columns: minmax(150px, 0.3fr) minmax(0, 1fr);
  gap: var(--grid--app-gutter);
  border: 1px solid var(--color--foreground--10);
  background: var(--color--foreground--5);
}

.case-study-note strong {
  font-size: 13px;
  line-height: 1.4;
}

.case-study-note p {
  max-width: 72ch;
  color: var(--color--foreground--50);
  font-size: 14px;
  line-height: 1.55;
}

.case-study-section {
  padding-block: clamp(56px, 6vw, 88px);
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--grid--app-gutter);
  border-bottom: 1px solid var(--color--foreground--10);
}

.case-study-section__heading {
  grid-column: 1 / span 4;
}

.case-study-section__content {
  grid-column: 6 / -1;
  max-width: 68ch;
}

.case-study-section__content > :first-child {
  margin-top: 0;
}

.case-study-section h2 {
  max-width: 15ch;
  margin: 16px 0 0 var(--font--margin-left);
  font-size: var(--case-type-h2);
  line-height: 1.02;
  letter-spacing: -0.035em;
}

.case-study-section p,
.case-study-section li {
  color: var(--color--foreground--50);
  font-size: var(--case-type-body);
  line-height: 1.72;
  transition: font-size 180ms ease-out, line-height 180ms ease-out;
}

.case-study-section p + p {
  margin-top: 1.35em;
}

.case-study-section h3 {
  max-width: 24ch;
  margin: 2.25em 0 0.75em var(--font--margin-left);
  color: var(--color--foreground--100);
  font-size: var(--case-type-h3);
  line-height: 1.15;
  letter-spacing: -0.025em;
  transition: font-size 180ms ease-out, line-height 180ms ease-out;
}

.case-study-section blockquote {
  margin-block: 2em;
  padding-inline-start: 22px;
  border-inline-start: 2px solid var(--color--foreground--100);
  color: var(--color--foreground--100);
  font-size: var(--case-type-body);
  line-height: 1.6;
}

.case-study-section ul,
.case-study-section ol {
  padding-inline-start: 0;
  list-style: none;
}

.case-study-section ul {
  margin-top: 28px;
  display: grid;
  gap: 14px;
}

.case-study-section li {
  position: relative;
  padding-inline-start: 24px;
}

.case-study-section li::before {
  content: "";
  position: absolute;
  top: 0.72em;
  inset-inline-start: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color--foreground--100);
}

.case-study-inline-meta {
  margin-top: 38px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border: 1px solid var(--color--foreground--10);
}

.case-study-inline-meta > div {
  min-height: 112px;
  padding: 20px;
}

.case-study-inline-meta > div + div {
  border-inline-start: 1px solid var(--color--foreground--10);
}

.case-study-inline-meta span,
.case-study-private-visual > span {
  display: block;
  color: var(--color--foreground--50);
  font-size: 11px;
  line-height: 1.3;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.case-study-inline-meta strong {
  margin-top: 12px;
  display: block;
  font-size: 16px;
  line-height: 1.45;
}

.case-study-stack {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--color--foreground--10);
  border-inline-start: 1px solid var(--color--foreground--10);
}

.case-study-stack article {
  padding: 24px;
  border-inline-end: 1px solid var(--color--foreground--10);
  border-bottom: 1px solid var(--color--foreground--10);
}

.case-study-stack h3,
.case-study-role-grid h3,
.case-study-product-map h3 {
  margin-top: 0;
}

.case-study-process {
  margin-top: 42px !important;
  counter-reset: process;
  gap: 0 !important;
  border-top: 1px solid var(--color--foreground--10);
}

.case-study-process li {
  min-height: 74px;
  padding: 16px 0 16px 68px;
  display: grid;
  grid-template-columns: minmax(120px, 0.35fr) minmax(0, 1fr);
  align-items: center;
  gap: 20px;
  border-bottom: 1px solid var(--color--foreground--10);
  counter-increment: process;
}

[dir="rtl"] .case-study-process li {
  padding: 16px 68px 16px 0;
}

.case-study-process li::before {
  content: counter(process, decimal-leading-zero);
  top: 50%;
  width: auto;
  height: auto;
  border-radius: 0;
  color: var(--color--foreground--50);
  background: none;
  font-size: 24px;
  line-height: 1;
  letter-spacing: -0.04em;
  transform: translateY(-50%);
}

.case-study-process strong {
  color: var(--color--foreground--100);
  font-size: 18px;
  line-height: 1.25;
}

.case-study-process span {
  display: block;
  font-size: 15px;
  line-height: 1.45;
}

/* Research evidence mirrors the homepage capability previews: the full image
   appears beside the active step without changing the process typography. */
.case-study-research__evidence {
  grid-column: 1 / -1;
  margin-top: 42px;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  align-items: start;
  gap: var(--grid--app-gutter);
}

.case-study-research__evidence .case-study-process {
  grid-column: 6 / -1;
  width: 100%;
  max-width: 68ch;
  margin-top: 0 !important;
}

.case-study-research__preview {
  position: relative;
  grid-column: 1 / span 4;
  width: 100%;
  aspect-ratio: 793 / 468;
  align-self: start;
  overflow: hidden;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transform: translate3d(-24px, 0, 0) scale(0.985);
  transition:
    opacity 240ms ease-out,
    transform 360ms cubic-bezier(0.22, 1, 0.36, 1),
    visibility 0s linear 360ms;
}

[dir="rtl"] .case-study-research__preview {
  transform: translate3d(24px, 0, 0) scale(0.985);
}

.case-study-research__preview.is-active {
  visibility: visible;
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
  transition-delay: 0s;
}

.case-study-research__preview img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  object-position: top center;
  opacity: 0;
  transform: translate3d(14px, 0, 0) scale(0.985);
  transition:
    opacity 220ms ease-out,
    transform 340ms cubic-bezier(0.22, 1, 0.36, 1);
}

[dir="rtl"] .case-study-research__preview img {
  transform: translate3d(-14px, 0, 0) scale(0.985);
}

.case-study-research__preview img.is-active {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
}

.case-study-process li,
.case-study-process li::before,
.case-study-process strong,
.case-study-process span {
  transition:
    color 220ms ease-out,
    transform 300ms cubic-bezier(0.22, 1, 0.36, 1),
    background-color 220ms ease-out;
}

.case-study-process li:hover,
.case-study-process li:focus-visible,
.case-study-process li.is-evidence-active {
  background: var(--color--foreground--5);
  outline: none;
}

.case-study-process li:focus-visible {
  box-shadow: inset 0 0 0 1px var(--color--foreground--25);
}

.case-study-process li:hover::before,
.case-study-process li:focus-visible::before,
.case-study-process li.is-evidence-active::before {
  color: var(--color--foreground--100);
  transform: translate3d(4px, -50%, 0);
}

[dir="rtl"] .case-study-process li:hover::before,
[dir="rtl"] .case-study-process li:focus-visible::before,
[dir="rtl"] .case-study-process li.is-evidence-active::before {
  transform: translate3d(-4px, -50%, 0);
}

.case-study-process li:hover strong,
.case-study-process li:hover span,
.case-study-process li:focus-visible strong,
.case-study-process li:focus-visible span,
.case-study-process li.is-evidence-active strong,
.case-study-process li.is-evidence-active span {
  transform: translate3d(3px, 0, 0);
}

[dir="rtl"] .case-study-process li:hover strong,
[dir="rtl"] .case-study-process li:hover span,
[dir="rtl"] .case-study-process li:focus-visible strong,
[dir="rtl"] .case-study-process li:focus-visible span,
[dir="rtl"] .case-study-process li.is-evidence-active strong,
[dir="rtl"] .case-study-process li.is-evidence-active span {
  transform: translate3d(-3px, 0, 0);
}

.case-study-research__followup {
  margin-top: 42px;
}

.case-study-principles {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 8px;
}

.case-study-principles span {
  padding: 9px 13px;
  border: 1px solid var(--color--foreground--10);
  border-radius: 999px;
  color: var(--color--foreground--50);
  font-size: 13px;
  line-height: 1.3;
}

.case-study-product-map {
  margin-top: 38px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--color--foreground--10);
  border-inline-start: 1px solid var(--color--foreground--10);
}

.case-study-product-map article {
  min-height: 180px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-inline-end: 1px solid var(--color--foreground--10);
  border-bottom: 1px solid var(--color--foreground--10);
}

.case-study-product-map p,
.case-study-role-grid p {
  font-size: 14px;
  line-height: 1.55;
}

.case-study-journey {
  margin-top: 30px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--color--foreground--10);
  background: var(--color--foreground--10);
  counter-reset: journey;
}

.case-study-journey li {
  min-height: 152px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 22px;
  background: var(--color--background--100);
  counter-increment: journey;
  outline-offset: -3px;
}

.case-study-journey li::before {
  content: counter(journey, decimal-leading-zero);
  position: static;
  width: auto;
  height: auto;
  border-radius: 0;
  color: var(--color--foreground--50);
  background: none;
  font-size: 36px;
  line-height: 1;
  transition:
    opacity 220ms ease-out,
    transform 220ms ease-out;
}

.case-study-journey__final {
  grid-column: span 2;
}

.case-study-journey strong {
  color: var(--color--foreground--100);
  font-size: 18px;
  line-height: 1.2;
}

.case-study-journey small {
  display: block;
  color: var(--color--foreground--50);
  font-size: 12px;
  line-height: 1.45;
  opacity: 0;
  transform: translate3d(0, 6px, 0);
  transition: opacity 220ms ease-out, transform 220ms ease-out;
}

.case-study-journey li:hover small,
.case-study-journey li:focus-visible small,
.case-study-journey li:focus-within small {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.case-study-journey li:hover::before,
.case-study-journey li:focus-visible::before,
.case-study-journey li:focus-within::before {
  opacity: 0;
  transform: translate3d(0, -6px, 0);
}

.case-study-role-grid {
  margin-top: 38px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--color--foreground--10);
  background: var(--color--foreground--10);
}

.case-study-role-grid article {
  padding: 22px;
  background: var(--color--background--100);
}

.case-study-private-visual {
  margin-top: 38px;
  padding: 24px;
  border: 1px dashed var(--color--foreground--25);
}

.case-study-private-visual p {
  margin-top: 10px;
  font-size: 14px;
}

.case-study-summary-list {
  margin-top: 36px !important;
  gap: 1px !important;
  border: 1px solid var(--color--foreground--10);
  background: var(--color--foreground--10);
}

.case-study-summary-list li {
  padding: 22px;
  display: grid;
  grid-template-columns: minmax(140px, 0.36fr) minmax(0, 1fr);
  gap: 22px;
  background: var(--color--background--100);
}

.case-study-summary-list li::before {
  display: none;
}

.case-study-summary-list strong {
  color: var(--color--foreground--100);
}

.case-study-metrics {
  margin-top: 42px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--color--foreground--10);
  background: var(--color--foreground--10);
}

.case-study-metrics article {
  min-height: 170px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--color--background--100);
}

.case-study-metrics strong {
  color: var(--color--foreground--100);
  font-size: clamp(28px, 3vw, 48px);
  line-height: 1;
  letter-spacing: -0.04em;
}

.case-study-metrics span {
  color: var(--color--foreground--50);
  font-size: 13px;
  line-height: 1.45;
}

.case-study-caption {
  margin-top: 16px !important;
  font-size: var(--case-type-caption) !important;
}

.case-study-read-full {
  min-height: 48px;
  margin-top: 34px;
  padding: 0 18px;
  border: 1px solid var(--color--foreground--100);
  border-radius: 999px;
  color: var(--color--background--100);
  background: var(--color--foreground--100);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: transform 180ms ease-out;
}

.case-study-read-full:hover {
  transform: translate3d(0, -2px, 0);
}

.case-study-gallery {
  padding-block: clamp(64px, 7vw, 100px);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--grid--app-gutter);
  border-bottom: 1px solid var(--color--foreground--10);
}

.case-study-gallery--wide {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.case-study-gallery figure {
  overflow: hidden;
  border: 1px solid var(--color--foreground--10);
  background: var(--color--foreground--5);
}

.case-study-gallery figcaption {
  padding: 14px 16px;
  color: var(--color--foreground--50);
  font-size: var(--case-type-caption);
  line-height: 1.55;
  transition: font-size 180ms ease-out, line-height 180ms ease-out;
}

/* Awards Management gallery: two screens per row with a lightweight,
   transform-only track and compact controls using the portfolio's core tokens. */
.case-study-carousel {
  padding-block: clamp(64px, 7vw, 100px);
  border-bottom: 1px solid var(--color--foreground--10);
}

.case-study-carousel__title {
  margin: 0 0 20px var(--font--margin-left);
  color: var(--color--foreground--100);
  font-size: var(--case-type-h3);
  line-height: 1.15;
  letter-spacing: -0.025em;
  transition: font-size 180ms ease-out, line-height 180ms ease-out;
}

body[data-reading-view="details"] .case-study-carousel__title {
  display: none;
}

[dir="rtl"] .case-study-carousel__title {
  margin-right: var(--font--margin-left);
  margin-left: 0;
}

.case-study-carousel__viewport {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3840 / 1250;
  border: 1px solid var(--color--foreground--10);
  background: var(--color--foreground--5);
  isolation: isolate;
  touch-action: pan-y;
}

.case-study-carousel__viewport::before,
.case-study-carousel__viewport::after {
  position: absolute;
  z-index: 3;
  top: 0;
  bottom: 0;
  width: clamp(28px, 6vw, 96px);
  content: "";
  pointer-events: none;
}

.case-study-carousel__viewport::before {
  left: 0;
  background: linear-gradient(90deg, var(--color--background--100), transparent);
}

.case-study-carousel__viewport::after {
  right: 0;
  background: linear-gradient(270deg, var(--color--background--100), transparent);
}

.case-study-carousel__stage {
  position: absolute;
  inset: 0;
  display: flex;
  direction: ltr;
  transform: translate3d(0, 0, 0);
  transition: transform 520ms cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}

.case-study-carousel__stage.is-resetting {
  transition: none;
}

.case-study-carousel__slide {
  position: relative;
  flex: 0 0 50%;
  height: 100%;
  margin: 0;
}

.case-study-carousel__slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #f7f7f7;
}

.case-study-carousel__footer {
  position: relative;
  min-height: 60px;
  padding-top: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
}

.case-study-carousel__footer--with-live {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  gap: 12px;
  direction: ltr;
}

.case-study-carousel__footer--with-live .case-study-carousel__status {
  position: static;
  justify-self: start;
}

.case-study-carousel__footer--with-live .case-study-carousel__actions {
  justify-self: center;
}

.app-main .case-study-carousel__live-link {
  width: max-content;
  max-width: 100%;
  margin: 0;
  display: block;
  justify-self: end;
  color: var(--color--foreground--100);
  font-size: 18px;
  line-height: 1.4;
}

[dir="rtl"] .app-main .case-study-carousel__live-link {
  direction: rtl;
}

.case-study-carousel__status {
  position: absolute;
  inset-inline-start: 0;
  margin: 0;
  color: var(--color--foreground--50);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.08em;
}

.case-study-carousel__actions {
  display: flex;
  justify-content: center;
  gap: 8px;
}

.case-study-carousel__actions button {
  width: 46px;
  height: 46px;
  padding: 0;
  display: grid;
  place-items: center;
  border: 1px solid var(--color--foreground--25);
  border-radius: 50%;
  color: var(--color--foreground--100);
  background: var(--color--background--100);
  cursor: pointer;
  transition:
    color 180ms ease-out,
    background-color 180ms ease-out,
    transform 180ms ease-out;
}

.case-study-carousel__actions button:hover {
  color: var(--color--background--100);
  background: var(--color--foreground--100);
  transform: translate3d(0, -2px, 0);
}

.case-study-carousel__actions button:focus-visible {
  outline: 2px solid var(--color--foreground--100);
  outline-offset: 3px;
}

.case-study-carousel__actions svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

[dir="rtl"] .case-study-carousel__actions {
  direction: ltr;
}

.case-study-article [data-reading-mode="essential"],
.case-study-article [data-reading-mode="chrome"] {
  transition: opacity 160ms ease-out, transform 160ms ease-out;
}

.app-main .case-study-next,
.app-main .case-study-next:hover {
  margin-top: 12px;
  padding-block: clamp(80px, 11vw, 150px);
  display: block;
  color: inherit;
  border: 0;
  text-decoration: none;
}

.case-study-next span {
  display: block;
  color: var(--color--foreground--50);
  font-size: 13px;
}

.case-study-next strong {
  margin-top: 14px;
  display: block;
  font-size: clamp(36px, 5.6vw, 84px);
  line-height: 0.96;
  letter-spacing: -0.04em;
  transition: transform 320ms cubic-bezier(0.22, 1, 0.36, 1);
}

.case-study-next strong::after {
  content: " →";
}

[dir="rtl"] .case-study-next strong::after {
  content: " ←";
}

.case-study-next:hover strong {
  transform: translate3d(8px, 0, 0);
}

/* The next-project component stays ready in the source until the following
   case study is publishable. Author CSS explicitly preserves hidden here. */
.case-study-next[hidden] {
  display: none !important;
}

/* Reuse the homepage CTA and footer as one continuous closing section. */
.case-study-closing-cta {
  padding-inline: 0;
}

.section.pre-contact-cta.contact.case-study-closing-cta > .content {
  grid-column: 1 / -1;
  min-height: auto;
  padding: clamp(48px, 7vh, 88px) 0 var(--grid--app-margin);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
}

.section.pre-contact-cta.contact.case-study-closing-cta h2 {
  max-width: 15ch;
  font-size: clamp(54px, 7vw, 108px);
  line-height: 0.94;
}

.case-study-footer {
  width: 100%;
  margin-top: 0;
  padding-top: 40px;
}

.case-study-footer > .content {
  width: 100%;
}

.section.contact.case-study-closing-cta .case-study-footer .text {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto;
  align-items: end;
  gap: 0 clamp(32px, 5vw, 80px);
}

.section.contact.case-study-closing-cta .case-study-footer .text > .content {
  grid-column: 3;
  grid-row: 1;
  justify-self: end;
  max-width: none;
}

.section.contact.case-study-closing-cta .case-study-footer .actions {
  grid-column: 1 / 3;
  grid-row: 1;
  width: 100%;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-areas:
    "email linkedin"
    "behance colophon";
  gap: 18px clamp(36px, 8vw, 132px);
  align-items: baseline;
}

.case-study-footer__email { grid-area: email; }
.case-study-footer__linkedin { grid-area: linkedin; }
.case-study-footer__behance { grid-area: behance; }
.case-study-footer__colophon { grid-area: colophon; }

.section.contact.case-study-closing-cta .case-study-footer .actions a,
.section.contact.case-study-closing-cta .case-study-footer .colophon {
  font-size: 16px;
  line-height: 1.35;
}

.section.contact.case-study-closing-cta .case-study-footer .ai-summary {
  position: relative;
  margin-top: 0;
  display: block;
}

.section.contact.case-study-closing-cta .case-study-footer .ai-summary__label {
  padding: 0 0 10px;
  white-space: nowrap;
}

.section.contact.case-study-closing-cta .case-study-footer .ai-summary__models {
  flex-wrap: nowrap;
}

.section.contact.case-study-closing-cta .case-study-footer .ai-summary__hint,
.section.contact.case-study-closing-cta .case-study-footer .ai-summary__feedback {
  position: absolute;
  top: auto;
  bottom: calc(100% + 8px);
  inset-inline-start: 0;
  width: min(360px, 80vw);
  margin: 0;
}

.section.contact.case-study-closing-cta .case-study-footer .ai-summary__feedback {
  bottom: calc(100% + 42px);
}

[dir="rtl"] .case-study-next:hover strong {
  transform: translate3d(-8px, 0, 0);
}

@media (max-width: 900px) {
  .section.contact.case-study-closing-cta .case-study-footer .text {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    row-gap: 34px;
  }

  .section.contact.case-study-closing-cta .case-study-footer .actions {
    grid-column: 1 / -1;
    grid-row: 1;
  }

  .section.contact.case-study-closing-cta .case-study-footer .text > .content {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-self: start;
  }
}

.case-study-page a:focus-visible,
.case-study-page button:focus-visible,
.case-study-page [tabindex="0"]:focus-visible {
  outline: 2px solid var(--color--foreground--100);
  outline-offset: 4px;
}

.case-study-page .app-aside .option.grid {
  align-items: center;
  color: inherit;
  border: 0;
  text-decoration: none;
}

.case-study-language-label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

/* The five-step text-size control mirrors the existing theme slider. */
.case-study-page .app-aside .option.text-size {
  position: relative;
  transition: height 0.3s ease 0.3s;
}

.case-study-page .app-aside .option.text-size .icon-container {
  position: absolute;
  bottom: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: bottom 0.3s ease-in-out;
}

.case-study-page .app-aside .option.text-size .slider-container {
  width: 48px;
  height: 48px;
  border-radius: 24px;
  transform: rotate(-90deg);
  transform-origin: top left;
  position: absolute;
  bottom: -48px;
  pointer-events: none;
  transition: width 0.3s ease 0.3s;
}

.case-study-page .app-aside .option.text-size .dots {
  position: absolute;
  width: 100%;
  padding: 22px;
  display: flex;
  justify-content: space-between;
}

.case-study-page .app-aside .option.text-size .dot {
  width: 4px;
  height: 4px;
  border-radius: 2px;
  background-color: var(--color--foreground--25);
  transform: translateX(-16px);
  opacity: 0;
  transition: transform 0.3s ease-in-out, opacity 0.3s ease-in-out;
}

.case-study-page .app-aside .option.text-size .slider {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  position: absolute;
  width: 100%;
  height: 48px;
  outline: none;
  background-color: var(--color--background--0);
  cursor: pointer;
}

.case-study-page .app-aside .option.text-size .slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 48px;
  height: 48px;
  border: 0;
  border-radius: 24px;
  background: transparent;
  cursor: pointer;
}

.case-study-page .app-aside .option.text-size .slider::-moz-range-thumb {
  width: 48px;
  height: 48px;
  border: 0;
  border-radius: 24px;
  background: transparent;
  box-shadow: none;
  cursor: pointer;
}

body.text-size-slider--is--visible .app-aside .option.text-size {
  height: 128px;
  transition: height 0.3s ease;
}

body.text-size-slider--is--visible .app-aside .option.text-size .slider-container {
  width: 128px;
  pointer-events: auto;
  transition: width 0.3s ease;
}

body.text-size-slider--is--visible .app-aside .option.text-size .dot {
  opacity: 1;
  transform: none;
}

body.text-size-slider--is--visible.text-size--00 .app-aside .option.text-size .icon-container { bottom: 0; }
body.text-size-slider--is--visible.text-size--01 .app-aside .option.text-size .icon-container { bottom: 20px; }
body.text-size-slider--is--visible.text-size--02 .app-aside .option.text-size .icon-container { bottom: 40px; }
body.text-size-slider--is--visible.text-size--03 .app-aside .option.text-size .icon-container { bottom: 60px; }
body.text-size-slider--is--visible.text-size--04 .app-aside .option.text-size .icon-container { bottom: 80px; }

body.text-size--00 .app-aside .option.text-size .icon-container { transition-delay: 0.08s; }
body.text-size--01 .app-aside .option.text-size .icon-container { transition-delay: 0.06s; }
body.text-size--02 .app-aside .option.text-size .icon-container { transition-delay: 0.04s; }
body.text-size--03 .app-aside .option.text-size .icon-container { transition-delay: 0.02s; }
body.text-size--04 .app-aside .option.text-size .icon-container { transition-delay: 0s; }

[dir="rtl"] .case-study-page .app-aside .option.text-size .slider-container {
  transform: rotate(-90deg);
}

[dir="rtl"] .case-study-language-label {
  font-family: sans-serif;
}

@media (max-width: 1020px) {
  .case-study-page .app-header {
    background: var(--color--background--100);
  }

  .case-study-hero,
  .case-study-reading-bar,
  .case-study-media,
  .case-study-note,
  .case-study-section,
  .case-study-gallery,
  .case-study-carousel,
  .case-study-next,
  .case-study-closing-cta,
  .case-study-footer {
    grid-column: 1 / -1;
  }

  .case-study-hero,
  .case-study-media,
  .case-study-note,
  .case-study-section,
  .case-study-gallery,
  .case-study-carousel,
  .case-study-next,
  .case-study-closing-cta,
  .case-study-footer {
    scroll-margin-top: 164px;
  }
}

@media (max-width: 760px) {
  .case-study-section {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

  .case-study-section__heading,
  .case-study-section__content {
    grid-column: 1;
  }

  .case-study-gallery {
    grid-template-columns: minmax(0, 1fr);
  }

  .case-study-research__evidence {
    grid-template-columns: minmax(0, 1fr);
  }

  .case-study-research__evidence .case-study-process {
    grid-column: 1;
  }

  .case-study-research__preview {
    display: none;
  }

  .case-study-note,
  .case-study-stack,
  .case-study-product-map,
  .case-study-role-grid,
  .case-study-metrics,
  .case-study-summary-list li {
    grid-template-columns: minmax(0, 1fr);
  }

  .case-study-note {
    gap: 10px;
  }

  .case-study-inline-meta {
    grid-template-columns: minmax(0, 1fr);
  }

  .case-study-inline-meta > div + div {
    border-inline-start: 0;
    border-top: 1px solid var(--color--foreground--10);
  }

  .case-study-product-map article {
    min-height: 160px;
  }

  .case-study-process li {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
  }

  .case-study-journey {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .case-study-reading-mode__button {
    min-width: 104px;
  }

  [dir="rtl"] .case-study-page .app-nav .item {
    padding-right: var(--grid--app-margin);
    padding-left: calc(44px + var(--grid--app-margin));
  }
}

@media (max-width: 500px) {
  .case-study-article {
    padding-bottom: 0;
  }

  .section.contact.case-study-closing-cta .case-study-footer .text {
    grid-template-columns: minmax(0, 1fr);
    row-gap: 30px;
  }

  .section.contact.case-study-closing-cta .case-study-footer .actions {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "email"
      "behance"
      "linkedin"
      "colophon";
    gap: 14px;
  }

  .section.contact.case-study-closing-cta .case-study-footer .ai-summary {
    width: 100%;
  }

  .section.contact.case-study-closing-cta .case-study-footer .ai-summary__models {
    gap: 6px;
  }

  .case-study-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .case-study-fact {
    min-height: 94px;
    padding: 18px;
  }

  .case-study-hero,
  .case-study-media,
  .case-study-note,
  .case-study-section,
  .case-study-gallery,
  .case-study-carousel,
  .case-study-next,
  .case-study-closing-cta,
  .case-study-footer {
    scroll-margin-top: 156px;
  }

  .case-study-reading-mode {
    width: min(100%, 232px);
  }

  .case-study-reading-mode__button {
    min-width: 0;
    min-height: 44px;
    padding-inline: 10px;
  }

  .case-study-journey {
    grid-template-columns: minmax(0, 1fr);
  }

  .case-study-journey__final {
    grid-column: span 1;
  }

  .case-study-journey li {
    min-height: 132px;
  }
}

@media (hover: none) {
  .case-study-journey small {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .case-study-page *,
  .case-study-page *::before,
  .case-study-page *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .case-study-next:hover strong,
  [dir="rtl"] .case-study-next:hover strong {
    transform: none;
  }

  .case-study-article.is-reading-transitioning [data-reading-mode="essential"],
  .case-study-article.is-reading-transitioning [data-reading-mode="chrome"] {
    opacity: 1;
    transform: none;
  }
}