/* Li's Ballet case study — 2-column layout, clean media */
.case-study {
  padding-bottom: 4rem;
}

.case-study .shell--case {
  width: min(100% - 2.5rem, 1040px);
  margin-inline: auto;
}

.case-top {
  padding: calc(var(--header-h) + 2rem) 0 3rem;
  border-bottom: 1px solid var(--border);
}

.case-top__grid {
  display: grid;
  gap: 2.5rem;
  align-items: start;
}

@media (min-width: 800px) {
  .case-top__grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3.5rem;
  }
}

.case-top h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  margin: 0.75rem 0 1rem;
  line-height: 1.1;
}

.case-top__meta {
  font-size: 0.88rem;
  color: var(--text-faint);
  margin: 0 0 0.5rem;
}

.case-top__lede {
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--text-muted);
  margin: 0;
  max-width: 48ch;
}

.case-details {
  display: grid;
  gap: 1.25rem 1.5rem;
  grid-template-columns: 1fr 1fr;
  margin: 0;
}

.case-details dt {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: lowercase;
  color: var(--text-faint);
  margin: 0 0 0.25rem;
}

.case-details dd {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.45;
  color: var(--text);
}

.case-details a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

.case-details a:hover {
  text-decoration: underline;
}

.case-summary {
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--sky) 70%, transparent);
}

.case-summary__grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 800px) {
  .case-summary__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.case-summary__item h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
}

.case-summary__item p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-muted);
}

.case-part-header {
  padding: 3rem 0 0;
}

.case-part-header h2 {
  font-family: var(--font-subhead);
  font-size: clamp(1.5rem, 2.8vw, 2rem);
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.01em;
}

.case-split {
  display: grid;
  gap: 1.5rem 2.5rem;
  width: min(100% - 2.5rem, 1040px);
  margin-inline: auto;
  padding: 2.5rem 0;
  align-items: start;
  border-bottom: 1px solid var(--border);
}

@media (min-width: 860px) {
  .case-split {
    grid-template-columns: minmax(0, 340px) minmax(0, 1fr);
    gap: 2.5rem 3.5rem;
  }

  .case-split__copy {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
  }

  .case-split--solo {
    grid-template-columns: 1fr;
    max-width: 42rem;
  }

  .case-split--solo .case-split__copy {
    position: static;
  }

  .case-split--copy-only .case-split__copy {
    position: static;
  }
}

.case-split__label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin: 0 0 0.5rem;
}

.case-split h3 {
  font-family: var(--font-subhead);
  font-size: 1.35rem;
  font-weight: 700;
  margin: 0 0 0.75rem;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.case-split p {
  margin: 0 0 0.85rem;
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--text-muted);
}

.case-split a.case-link {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

.case-split a.case-link:hover {
  text-decoration: underline;
}

.case-note {
  font-size: 0.85rem;
  color: var(--text-faint);
  margin-top: 0.75rem;
}

.case-media {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.case-media img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 3px;
}

.case-media figcaption {
  margin-top: 0.35rem;
  font-size: 0.78rem;
  color: var(--text-faint);
}

.case-media--70 figure {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.case-media--70 img {
  width: 70%;
}

.case-media__item--70 figure {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.case-media__item--70 img {
  width: 70%;
}

.case-media__mockup-stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 50px;
}

.case-media__mockup-stack figure {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 0;
}

.case-media__mockup-stack img {
  width: 70%;
  display: block;
}

/* Crop bottom white/empty padding in mockup1 (152px of 500px) */
.case-media__mockup-stack figure:first-child {
  width: 70%;
  aspect-ratio: 500 / 348;
  overflow: hidden;
}

.case-media__mockup-stack figure:first-child img {
  width: 100%;
}

/* Merigold — crop white padding from application mockups 2 & 3 */
.case-media__crop {
  width: 100%;
  overflow: hidden;
  line-height: 0;
  margin: 0;
}

.case-media__crop img {
  width: 100%;
  display: block;
}

.case-media__crop--merigold-mockup2 {
  aspect-ratio: 1545 / 1036;
}

.case-media__crop--merigold-mockup2 img {
  margin-top: -28.8%;
}

.case-media__crop--merigold-mockup3 {
  aspect-ratio: 1545 / 1014;
}

.case-media__crop--merigold-mockup3 img {
  margin-top: -34.3%;
}

.case-media--row {
  flex-direction: row;
  flex-wrap: wrap;
  gap: 0.75rem;
}

@media (min-width: 860px) {
  .case-media--row li {
    flex: 1 1 calc(50% - 0.5rem);
    min-width: 140px;
  }

  .case-media--row li:last-child:nth-child(odd) {
    flex: 1 1 100%;
  }
}

/* Full-width product marquees (Merigold Part 3) */
.case-marquees {
  width: min(100% - 2.5rem, 1040px);
  margin-inline: auto;
  padding: 0 0 2.5rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.case-marquee {
  overflow: hidden;
}

.case-study > .case-marquee {
  width: min(100% - 2.5rem, 1040px);
  margin-inline: auto;
  padding: 0 0 2.5rem;
  border-bottom: 1px solid var(--border);
}

.case-marquee__title {
  margin: 0 0 0.75rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.case-marquee__viewport {
  overflow: hidden;
  -webkit-overflow-scrolling: touch;
  mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent);
}

.case-marquee__track {
  display: flex;
  width: max-content;
  gap: 1rem;
  animation: case-marquee-scroll 70s linear infinite;
}

.case-marquee--mockups .case-marquee__track {
  animation-duration: 45s;
}

.case-marquee:hover .case-marquee__track {
  animation-play-state: paused;
}

.case-marquee--wireframes:hover .case-marquee__track,
.case-marquee--hifi:hover .case-marquee__track {
  animation-play-state: running;
}

@media (prefers-reduced-motion: reduce) {
  .case-marquee__track {
    animation: none;
  }

  .case-marquee__viewport {
    overflow-x: auto;
    mask-image: none;
  }
}

@keyframes case-marquee-scroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

.case-marquee__item {
  flex: 0 0 auto;
  width: min(280px, 42vw);
  margin: 0;
}

.case-marquee__item img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 3px;
}

.case-marquee--wireframes .case-marquee__track {
  animation-duration: 55s;
}

.case-marquee--hifi .case-marquee__track {
  animation-duration: 68s;
}

/* Moodboard fade slideshow (SafeTravels Step 2) */
.case-slideshow {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 3px;
  overflow: hidden;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
}

.case-slideshow img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  opacity: 0;
  transition: opacity 0.35s var(--ease);
}

.case-slideshow img.is-active {
  opacity: 1;
  z-index: 1;
}

/* Figma embed (The Sex Talk) */
.case-figma-block {
  width: min(100% - 2.5rem, 1040px);
  margin-inline: auto;
  padding: 0 0 1.25rem;
}

.case-figma {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  border-radius: 3px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
}

.case-figma iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.case-figma-block .case-link {
  display: inline-block;
  margin-top: 0.85rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
}

.case-figma-block .case-link:hover {
  text-decoration: underline;
}

.case-marquee--screens .case-marquee__item {
  width: min(220px, 38vw);
}

.case-marquee--screens .case-marquee__track {
  animation-duration: 50s;
}

/* Marketing poster + video row (Merigold Part 4) */
.case-duo {
  display: grid;
  gap: 1.25rem;
  width: min(100% - 2.5rem, 1040px);
  margin-inline: auto;
  padding: 0 0 2.5rem;
  border-bottom: 1px solid var(--border);
  list-style: none;
}

@media (min-width: 720px) {
  .case-duo {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    align-items: start;
  }
}

.case-duo figure {
  margin: 0;
}

.case-duo figcaption {
  margin-top: 0.35rem;
  font-size: 0.78rem;
  color: var(--text-faint);
}

.case-duo img,
.case-duo video {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 3px;
}

.case-duo video {
  background: #111;
}

/* Li's Ballet — hero title in Rindu Hujan + coral */
.case-study--lis-ballet .case-top h1 {
  color: var(--coral);
}

.case-study--safe-travels .case-top h1 {
  color: var(--coral);
}

.case-study--merigold-nutrition .case-top h1 {
  color: var(--coral);
}

.case-study .case-details > div:nth-child(-n + 3) dt {
  color: #909090;
}

.case-study--safe-travels .case-details > div:nth-child(4) dt {
  color: #909090;
}

.case-study--the-sex-talk .case-top h1 {
  color: var(--coral);
}

/* Case study hero — connection figures confined to case-top header only */
.case-connections-zone {
  position: relative;
  overflow: hidden;
}

.case-connections-zone > :not(.connections) {
  position: relative;
  z-index: 1;
}

.case-connections-zone .connections {
  -webkit-mask-image: radial-gradient(
    ellipse 76% 62% at 50% 50%,
    transparent 0%,
    transparent 46%,
    #000 74%
  );
  mask-image: radial-gradient(
    ellipse 76% 62% at 50% 50%,
    transparent 0%,
    transparent 46%,
    #000 74%
  );
}

.case-connections-zone .connection-figure {
  width: clamp(22px, 2.5vw, 38px);
}