/* ===== Project detail — reusable case study ===== */

.project-page section[id] {
  scroll-margin-top: 6.5rem;
}

.project-page .badge--section {
  border: 1px solid var(--color-primary);
  color: var(--color-text);
  margin-bottom: 0;
}

.pd-section {
  padding-block: 5.5rem;
}

.pd-section--cream {
  background-color: var(--color-bg);
}

.pd-section--white {
  background-color: var(--color-surface);
}

.pd-section--dark {
  background: var(--color-dark);
  color: var(--color-text-on-dark);
}

.pd-section--dark .badge--section {
  border-color: rgba(255, 255, 255, 0.28);
  color: var(--color-text-on-dark);
  background: transparent;
}

.pd-section--dark .pd-section__title,
.pd-section--dark .section-head__title {
  color: var(--color-text-on-dark);
}

.pd-section--dark .pd-section__body,
.pd-section--dark .section-head__desc {
  color: rgba(255, 255, 255, 0.72);
}

.pd-section__title {
  margin-top: 1.25rem;
  font-size: clamp(1.5rem, 2.4vw, var(--font-size-h2));
  font-weight: var(--font-weight-extrabold);
  line-height: var(--line-height-tight);
  color: var(--color-text);
}

.pd-section__body {
  margin-top: 1.25rem;
  font-size: var(--font-size-body-lg);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  max-width: 40rem;
}

.pd-section__sub {
  margin-top: 1.75rem;
  font-size: var(--font-size-h4);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
}

.section-head--start {
  text-align: start;
  align-items: flex-start;
}

.section-head--start .section-head__desc {
  margin-inline: 0;
}

/* Hero */
.pd-hero {
  padding-block: 4rem 2.5rem;
  background:
    radial-gradient(ellipse 70% 50% at 100% 0%, rgba(255, 184, 24, 0.14), transparent 55%),
    var(--color-bg);
  overflow: hidden;
}

.pd-hero__intro {
  max-width: 48rem;
}

.pd-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--font-size-caption);
  color: var(--color-text-secondary);
}

.pd-breadcrumb a:hover {
  color: var(--color-text);
}

.pd-breadcrumb__sep {
  opacity: 0.45;
}

.pd-hero__brand {
  margin-top: 1.75rem;
  font-size: clamp(2.5rem, 6vw, 4.25rem);
  font-weight: var(--font-weight-extrabold);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.pd-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.pd-hero__chip {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.85rem;
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
}

.pd-hero__title {
  margin-top: 1.5rem;
  max-width: 42rem;
  font-size: clamp(1.25rem, 2.2vw, 1.75rem);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-text);
}

.pd-hero__lead {
  margin-top: 1rem;
  max-width: 40rem;
  font-size: var(--font-size-body-lg);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.pd-hero__role {
  margin: 0.85rem 0 0;
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-secondary);
}

.pd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.pd-hero__media {
  margin-top: 3rem;
  margin-inline: calc(var(--container-padding) * -0.15);
  overflow: hidden;
  border-radius: var(--radius-2xl);
  background: var(--color-border-light);
  border: 1px solid var(--color-border);
  box-shadow: 0 24px 64px rgba(23, 37, 43, 0.1);
  aspect-ratio: 16 / 9;
}

.pd-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

/* Meta */
.pd-meta {
  padding-block: 0 3.5rem;
  background-color: var(--color-bg);
}

.pd-meta__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9.5rem, 1fr));
  gap: 1.5rem 1.25rem;
  padding: 1.75rem 2rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
}

.pd-meta__item[hidden] {
  display: none;
}

.pd-meta__item dt {
  font-size: var(--font-size-caption);
  color: var(--color-text-secondary);
  margin-bottom: 0.375rem;
}

.pd-meta__item dd {
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  line-height: 1.5;
}

/* Split */
.pd-split {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 4rem;
  align-items: center;
}

.pd-split--visual {
  grid-template-columns: 1fr 1fr;
}

.pd-split--flip .pd-split__copy {
  order: 0;
}

.pd-split__media {
  overflow: hidden;
  border-radius: var(--radius-2xl);
  background: var(--color-border-light);
  border: 1px solid var(--color-border);
  aspect-ratio: 4 / 3;
}

.pd-split__media--tall {
  aspect-ratio: 3 / 4;
}

.pd-split__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.pd-feature {
  margin-top: 3rem;
  overflow: hidden;
  border-radius: var(--radius-2xl);
  border: 1px solid var(--color-border);
  background: var(--color-border-light);
  aspect-ratio: 21 / 9;
}

.pd-feature img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

/* Early metrics */
.pd-early {
  display: grid;
  gap: 1rem;
}

.pd-early__item {
  padding: 1.35rem 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
}

.pd-early__value {
  font-size: 1.75rem;
  font-weight: var(--font-weight-extrabold);
  color: var(--color-text);
  line-height: 1.2;
}

.pd-early__label {
  margin-top: 0.25rem;
  font-size: var(--font-size-caption);
  color: var(--color-text-secondary);
}

/* Goals / findings */
.pd-goals,
.pd-findings {
  margin-top: 1rem;
  display: grid;
  gap: 0.75rem;
}

.pd-goals li,
.pd-findings li {
  position: relative;
  padding-inline-start: 1.25rem;
  font-size: var(--font-size-body);
  color: var(--color-text-secondary);
  line-height: var(--line-height-normal);
}

.pd-goals li::before,
.pd-findings li::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  top: 0.55rem;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 2px;
  background: var(--color-primary);
}

/* UX — editorial stack, not equal cards */
.pd-ux {
  display: grid;
  gap: 3rem;
}

.pd-ux__card {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: center;
}

.pd-ux__card:nth-child(even) {
  direction: ltr;
}

.pd-ux__card:nth-child(even) > * {
  direction: rtl;
}

.pd-ux__media {
  overflow: hidden;
  border-radius: var(--radius-2xl);
  border: 1px solid var(--color-border);
  background: var(--color-border-light);
  aspect-ratio: 16 / 10;
}

.pd-ux__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.pd-ux__title {
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
}

.pd-ux__text {
  margin-top: 0.875rem;
  font-size: var(--font-size-body);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* Design system */
.pd-ds {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: 2.5rem;
  padding: 2rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
}

.pd-ds__label {
  margin-bottom: 1rem;
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-secondary);
}

.pd-swatches {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(6.5rem, 1fr));
  gap: 0.75rem;
}

.pd-swatches li {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

.pd-swatches__chip {
  height: 3.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.pd-type,
.pd-spacing {
  display: grid;
  gap: 0.625rem;
}

.pd-type li,
.pd-spacing li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: var(--font-size-caption);
  color: var(--color-text-secondary);
}

.pd-type__name,
.pd-spacing__name {
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
}

/* Gallery — visual rhythm */
.pd-gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.pd-gallery__item {
  overflow: hidden;
  border-radius: var(--radius-xl);
  background: var(--color-border-light);
  aspect-ratio: 16 / 10;
  border: 1px solid var(--color-border);
}

.pd-gallery__item--full {
  grid-column: 1 / -1;
  aspect-ratio: 16 / 8;
}

.pd-gallery__item--feature {
  grid-column: 1 / -1;
  aspect-ratio: 21 / 9;
}

.pd-gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.6s ease;
}

@media (hover: hover) {
  .pd-gallery__item:hover img {
    transform: scale(1.02);
  }
}

/* Architecture */
.pd-arch {
  padding: 1.75rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
}

.pd-arch__caption {
  margin-bottom: 1.25rem;
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-secondary);
}

.pd-arch__layers {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(8.5rem, 1fr));
  gap: 0.75rem;
}

.pd-arch__layers li {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 4.5rem;
  padding: 0.75rem 1rem;
  text-align: center;
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.pd-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.pd-stack li {
  padding: 0.5rem 1rem;
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  background: var(--color-badge);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-pill);
}

/* KPIs / outcome */
.pd-outcome-head {
  margin-bottom: 2.5rem;
  max-width: 42rem;
}

.pd-kpis {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.pd-kpis li {
  padding: 1.75rem 1.5rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  text-align: center;
}

.pd-kpis__value {
  font-size: 1.75rem;
  font-weight: var(--font-weight-extrabold);
  color: var(--color-text);
  line-height: 1.2;
}

.pd-kpis__label {
  margin-top: 0.5rem;
  font-size: var(--font-size-caption);
  color: var(--color-text-secondary);
}

/* Quote */
.pd-quote {
  max-width: 46rem;
  margin-inline: auto;
  padding: 2.5rem 2.75rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
}

.pd-quote__text {
  font-size: clamp(1.125rem, 2vw, var(--font-size-h3));
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-relaxed);
  color: var(--color-text);
}

.pd-quote__footer {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1.75rem;
}

.pd-quote__avatar {
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  object-fit: cover;
  background: var(--color-border-light);
}

.pd-quote__role {
  display: block;
  font-style: normal;
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
}

.pd-quote__org {
  display: block;
  margin-top: 0.125rem;
  font-size: var(--font-size-caption);
  color: var(--color-text-secondary);
}

/* Closing */
.pd-closing {
  max-width: 44rem;
}

.pd-closing__title {
  font-size: clamp(1.5rem, 2.6vw, 2.25rem);
  font-weight: var(--font-weight-extrabold);
  line-height: var(--line-height-tight);
}

.pd-closing__body {
  margin-top: 1.25rem;
  font-size: var(--font-size-body-lg);
  line-height: var(--line-height-relaxed);
  color: rgba(255, 255, 255, 0.78);
}

/* Project → articles */
.pd-articles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.pd-article {
  display: grid;
  gap: 0.45rem;
  padding: 1.25rem;
  border-radius: 1rem;
  background: var(--color-surface);
  border: 1px solid color-mix(in srgb, var(--color-ink, #111) 10%, transparent);
  text-decoration: none;
  color: inherit;
}

.pd-article__tag {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.pd-article__title {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.45;
}

.pd-article__lead {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

.pd-article__cta {
  font-size: 0.875rem;
  font-weight: 700;
}

@media (max-width: 48rem) {
  .pd-articles {
    grid-template-columns: 1fr;
  }
}

/* Related */
.pd-related {
  padding-block: 4rem 2rem;
  background: var(--color-bg);
}

.pd-related__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 2rem;
}

.pd-related__card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  transition: border-color var(--transition), transform var(--transition);
}

.pd-related__card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.pd-related__media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--color-border-light);
}

.pd-related__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.pd-related__body {
  padding: 1.25rem 1.35rem 1.5rem;
}

.pd-related__industry {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

.pd-related__title {
  margin-top: 0.35rem;
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
}

.pd-related__lead {
  margin-top: 0.5rem;
  font-size: var(--font-size-caption);
  color: var(--color-text-secondary);
  line-height: var(--line-height-normal);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.pd-related__cta {
  display: inline-block;
  margin-top: 0.75rem;
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

/* Next project */
.pd-next {
  padding-block: 1rem 3rem;
  background: var(--color-bg);
}

.pd-next__card {
  display: grid;
  grid-template-columns: 1fr 22rem;
  gap: 2.5rem;
  align-items: center;
  padding: 1.75rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.pd-next__card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.pd-next__label {
  font-size: var(--font-size-caption);
  color: var(--color-text-secondary);
}

.pd-next__pill {
  display: inline-block;
  margin-top: 0.75rem;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: var(--font-weight-bold);
  background: var(--color-badge);
  border-radius: var(--radius-pill);
}

.pd-next__title {
  margin-top: 0.75rem;
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-text);
}

.pd-next__desc {
  margin-top: 0.75rem;
  font-size: var(--font-size-body);
  color: var(--color-text-secondary);
  line-height: var(--line-height-normal);
}

.pd-next__media {
  overflow: hidden;
  border-radius: var(--radius-xl);
  aspect-ratio: 16 / 10;
  background: var(--color-border-light);
}

.pd-next__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.pd-service-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.pd-service-link {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding: 0.5rem 1.1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-bold);
  text-decoration: none;
  transition: border-color var(--transition), transform var(--transition), background var(--transition);
}

.pd-service-link:hover {
  border-color: var(--color-primary);
  background: var(--color-badge);
  transform: translateY(-1px);
}

.pd-service-link:focus-visible,
.pd-solution:focus-visible,
.pd-pager__link:focus-visible,
.pd-pager__home:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.pd-solutions {
  display: grid;
  gap: 0.85rem;
  margin-top: 1.25rem;
}

.pd-solution {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1rem 1.15rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md, 0.85rem);
  background: var(--color-surface);
  color: var(--color-text);
  text-decoration: none;
  transition: border-color var(--transition), transform var(--transition), background var(--transition);
}

.pd-solution:hover,
.pd-solution:focus-visible {
  border-color: var(--color-primary);
  background: var(--color-badge);
  transform: translateY(-1px);
}

.pd-solution__label {
  font-size: var(--font-size-caption);
  color: var(--color-text-secondary);
}

.pd-solution__title {
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-bold);
}

.pd-solution__cta {
  margin-top: 0.15rem;
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.pd-pager {
  padding-block: 1.5rem 2.5rem;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

.pd-pager__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1rem;
  align-items: center;
}

.pd-pager__link {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  text-decoration: none;
  color: var(--color-text);
  min-width: 0;
}

.pd-pager__link--next {
  text-align: end;
  justify-self: end;
}

.pd-pager__dir {
  font-size: var(--font-size-caption);
  color: var(--color-text-secondary);
}

.pd-pager__name {
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-bold);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pd-pager__home {
  justify-self: center;
  padding: 0.55rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  text-decoration: none;
  background: var(--color-surface);
  transition: border-color var(--transition), background var(--transition);
}

.pd-pager__home:hover,
.pd-pager__link:hover .pd-pager__name {
  color: var(--color-text);
}

.pd-pager__home:hover {
  border-color: var(--color-primary);
  background: var(--color-badge);
}

.pd-pager__link[hidden] {
  visibility: hidden;
  pointer-events: none;
}

@media (max-width: 48rem) {
  .pd-pager__inner {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .pd-pager__home {
    order: -1;
    justify-self: stretch;
    text-align: center;
  }

  .pd-pager__link,
  .pd-pager__link--next {
    justify-self: stretch;
    text-align: start;
  }

  .pd-pager__link[hidden] {
    display: none;
  }
}

/* Motion */
.pd-reveal-ready {
  opacity: 0;
  transform: translateY(1rem);
  clip-path: inset(0 0 12% 0);
  filter: blur(2px);
  transition:
    opacity 0.5s var(--ease-out, cubic-bezier(0.22, 1, 0.36, 1)),
    transform 0.5s var(--ease-out, cubic-bezier(0.22, 1, 0.36, 1)),
    clip-path 0.55s var(--ease-out, cubic-bezier(0.22, 1, 0.36, 1)),
    filter 0.45s ease;
}

.pd-reveal-ready.is-visible,
.pd-motion-off .pd-reveal-ready {
  opacity: 1;
  transform: none;
  clip-path: inset(0 0 0 0);
  filter: none;
}

.pd-motion-off .pd-reveal-ready {
  opacity: 1;
  transform: none;
  clip-path: none;
  filter: none;
  transition: none;
}

.pd-gallery__item.pd-reveal-ready {
  transition-delay: 0s;
}

.pd-gallery[data-pd-gallery] .pd-gallery__item.pd-reveal-ready.is-visible:nth-child(1) { transition-delay: 0.04s; }
.pd-gallery[data-pd-gallery] .pd-gallery__item.pd-reveal-ready.is-visible:nth-child(2) { transition-delay: 0.1s; }
.pd-gallery[data-pd-gallery] .pd-gallery__item.pd-reveal-ready.is-visible:nth-child(3) { transition-delay: 0.16s; }
.pd-gallery[data-pd-gallery] .pd-gallery__item.pd-reveal-ready.is-visible:nth-child(4) { transition-delay: 0.22s; }
.pd-gallery[data-pd-gallery] .pd-gallery__item.pd-reveal-ready.is-visible:nth-child(5) { transition-delay: 0.28s; }
.pd-gallery[data-pd-gallery] .pd-gallery__item.pd-reveal-ready.is-visible:nth-child(6) { transition-delay: 0.34s; }

.pd-gallery__item img {
  transition: transform 0.4s var(--ease-out, cubic-bezier(0.22, 1, 0.36, 1));
}

.pd-gallery__item:hover img,
.pd-gallery__item:focus-within img {
  transform: scale(1.02);
}

.pd-related__card,
.pd-next__card {
  transition:
    transform 0.28s var(--ease-out, cubic-bezier(0.22, 1, 0.36, 1)),
    box-shadow 0.28s ease;
}

.pd-related__card:hover,
.pd-related__card:focus-visible,
.pd-next__card:hover,
.pd-next__card:focus-visible {
  transform: translateY(-3px);
}

/* Reading progress */
.pd-progress {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 60;
  height: 3px;
  pointer-events: none;
  background: transparent;
}

.pd-progress__bar {
  display: block;
  height: 100%;
  width: 0;
  background: var(--color-accent, #1a5cff);
  transform-origin: inline-start;
}

@media (prefers-reduced-motion: reduce) {
  .pd-progress__bar {
    transition: none;
  }
}

/* Case-study TOC */
.pd-toc {
  position: sticky;
  inset-block-start: var(--header-height, 5rem);
  z-index: 40;
  background: color-mix(in srgb, var(--color-bg, var(--color-surface)) 92%, transparent);
  backdrop-filter: blur(8px);
  border-block-end: 1px solid color-mix(in srgb, var(--color-ink, #111) 8%, transparent);
  transition: transform 0.28s ease, opacity 0.28s ease;
  will-change: transform, opacity;
}

.pd-toc.is-hidden {
  transform: translateY(calc(-100% - 0.5rem));
  opacity: 0;
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  .pd-toc {
    transition: none;
  }
}

.project-detail {
  scroll-padding-top: calc(var(--header-height, 5rem) + 3.5rem);
}

.pd-toc__inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-block: 0.65rem;
  min-height: 2.75rem;
}

.pd-toc__label {
  margin: 0;
  flex-shrink: 0;
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  color: color-mix(in srgb, var(--color-ink, #111) 55%, transparent);
  white-space: nowrap;
}

.pd-toc__list {
  display: flex;
  gap: 0.35rem 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.pd-toc__link {
  display: inline-block;
  padding: 0.35rem 0.15rem;
  font-size: 0.8125rem;
  color: color-mix(in srgb, var(--color-ink, #111) 65%, transparent);
  text-decoration: none;
  white-space: nowrap;
  border-block-end: 2px solid transparent;
}

.pd-toc__link:hover,
.pd-toc__link:focus-visible {
  color: var(--color-ink, #111);
}

.pd-toc__link.is-active {
  color: var(--color-ink, #111);
  border-block-end-color: var(--color-accent, #1a5cff);
}

.pd-early__caption {
  margin: 0 0 0.75rem;
  font-size: 0.8125rem;
  color: color-mix(in srgb, var(--color-ink, #111) 55%, transparent);
}

.pd-outcome__caption {
  margin: 0 0 1rem;
  font-size: 0.8125rem;
  color: color-mix(in srgb, var(--color-ink, #111) 55%, transparent);
}

.pd-quote__eyebrow {
  margin: 0 0 0.75rem;
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  color: color-mix(in srgb, var(--color-ink, #111) 55%, transparent);
}

@media (max-width: 48rem) {
  .pd-toc__label {
    display: none;
  }

  .pd-toc__inner {
    padding-inline: 0;
  }
}

.pd-hero__intro.pd-reveal-ready {
  transition-delay: 0.05s;
}

.pd-hero__media.pd-reveal-ready {
  transition-delay: 0.18s;
}

@media (prefers-reduced-motion: reduce) {
  .pd-reveal-ready,
  .pd-gallery__item img,
  .pd-related__card,
  .pd-next__card {
    opacity: 1 !important;
    transform: none !important;
    clip-path: none !important;
    filter: none !important;
    transition: none !important;
  }

  .pd-gallery__item:hover img,
  .pd-gallery__item:focus-within img,
  .pd-related__card:hover,
  .pd-related__card:focus-visible,
  .pd-next__card:hover,
  .pd-next__card:focus-visible {
    transform: none !important;
  }
}

@media (max-width: 64rem) {
  .pd-meta__grid,
  .pd-kpis,
  .pd-ds,
  .pd-related__grid {
    grid-template-columns: 1fr 1fr;
  }

  .pd-split,
  .pd-split--visual,
  .pd-ux__card,
  .pd-ux__card:nth-child(even),
  .pd-next__card {
    grid-template-columns: 1fr;
    gap: 2rem;
    direction: rtl;
  }

  .pd-hero__media {
    margin-inline: 0;
  }

  .pd-feature {
    aspect-ratio: 16 / 9;
  }

  .pd-gallery__item--feature {
    aspect-ratio: 16 / 9;
  }
}

@media (max-width: 48rem) {
  .pd-hero,
  .pd-section,
  .pd-related {
    padding-block: 3rem;
  }

  .pd-meta__grid,
  .pd-kpis,
  .pd-gallery,
  .pd-ds,
  .pd-swatches,
  .pd-related__grid {
    grid-template-columns: 1fr;
  }

  .pd-gallery__item--full,
  .pd-gallery__item--feature {
    aspect-ratio: 16 / 10;
  }

  .pd-quote {
    padding: 1.5rem;
  }

  .pd-hero__actions .btn {
    width: 100%;
    justify-content: center;
  }
}