/* Work: the case-study list and the case-study detail template. Logical properties throughout (RTL and LTR). */

/* ---------- List ---------- */

.work-intro .grid {
  align-items: end;
}
.work-intro__head {
  margin-block-end: 0;
}
.work-intro__head .t-display {
  max-width: 14ch;
}
.work-intro__head .t-display:lang(ar) {
  max-width: 16ch;
}
.work-intro__note {
  --span-t: 8;
}
.work-intro__note p + p {
  margin-block-start: var(--space-2xs);
}

.work-list__items {
  margin: 0;
  padding: 0;
  list-style: none;
}
.work-item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: var(--space-3xl);
  align-items: center;
  padding-block: var(--space-3xl);
  border-block-start: var(--rule);
}
/* Images are `.media` (shared): they carry their own radius and crop, never a clipping wrapper. */
.work-item__media {
  display: block;
}
.work-item__media img {
  aspect-ratio: 16 / 10;
}
.work-item__body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-m);
}
.work-item__index {
  font-size: var(--type-caption-size);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
}
.work-item__title a {
  text-decoration: none;
}
/* The whole row is one link: the title's link stretches over it. */
.work-item__title a::after {
  content: "";
  position: absolute;
  inset: 0;
}
.work-item:has(:focus-visible) {
  outline: var(--focus-ring);
  outline-offset: 3px;
}
.work-item__title a:focus-visible {
  outline: none;
}
.work-item__sector {
  margin-block-start: calc(-1 * var(--space-xs));
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
}
.work-item__summary {
  max-width: 30rem;
}
.work-item__services {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2xs) 0;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--color-text-muted);
}
.work-item__services li + li::before {
  content: "·";
  padding-inline: 0.6em;
}
.work-item__more {
  margin-block-start: var(--space-xs);
}
.work-item:hover .link--arrow {
  color: var(--color-accent-text);
}

.work-cta__inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-l);
}
.work-cta__inner > * {
  max-width: 44rem;
}
.work-cta__actions {
  margin-block-start: var(--space-s);
}

@media (max-width: 64rem) {
  .work-item {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-xl);
  }
}
@media (max-width: 40rem) {
  .work-item {
    padding-block: var(--space-2xl);
  }
}

/* ---------- Detail: hero ---------- */

.cs-hero {
  padding-block: var(--space-2xl) calc(var(--section) * 0.6);
}
.cs-hero__back {
  margin-block-end: var(--space-3xl);
}
.cs-back {
  display: inline-flex;
  gap: 0.45em;
  font-size: var(--type-caption-size);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
}
.cs-back::before {
  content: "←";
}
[dir="rtl"] .cs-back::before {
  content: "→";
}
.cs-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
  gap: var(--space-3xl);
  align-items: end;
}
.cs-hero__tag {
  margin-block-end: var(--space-l);
  padding: 0.35em 1em;
  font-size: var(--type-body-size);
}
/* The study's name: larger than the page display role, the one big gesture of the page. */
.cs-hero__title .t-display {
  font-size: clamp(3.25rem, 8.5vw, 7.5rem);
  line-height: 1.05;
}
.cs-hero__title .t-display:lang(ar) {
  line-height: 1.3;
}
.cs-hero__alt {
  margin-block-start: var(--space-xs);
  font-weight: var(--font-weight-light);
  color: var(--color-text-muted);
}
.cs-hero__summary {
  max-width: 40rem;
  margin-block-start: var(--space-xl);
}
.cs-facts {
  display: flex;
  flex-direction: column;
  gap: var(--space-m);
  margin: 0;
}
.cs-facts > div {
  padding-block-start: var(--space-s);
  border-block-start: var(--rule);
}
.cs-facts dt {
  color: var(--color-text-muted);
}
.cs-facts dd {
  margin: 0;
  font-weight: var(--font-weight-medium);
}
.cs-cover {
  margin: var(--space-3xl) 0 0;
}
.cs-concept {
  margin-block-start: var(--space-l);
  border-inline-start-color: var(--color-accent-text);
}
.cs-concept > .icon,
.cs-concept .notice__title {
  color: var(--color-accent-text);
}
.cs-concept p + p {
  margin-block-start: var(--space-2xs);
}
.cs-contents {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  gap: var(--space-l) var(--grid-gap);
  margin-block-start: var(--space-3xl);
  padding-block-start: var(--space-l);
  border-block-start: var(--rule);
}
.cs-contents ol {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-s) var(--grid-gap);
  margin: 0;
  padding: 0;
  list-style: none;
}
.cs-contents a {
  display: inline-flex;
  gap: 0.75em;
}
.cs-contents .t-num {
  color: var(--color-text-muted);
}

@media (max-width: 64rem) {
  .cs-hero__grid,
  .cs-contents {
    grid-template-columns: minmax(0, 1fr);
  }
  .cs-hero__grid {
    gap: var(--space-2xl);
  }
}
@media (max-width: 40rem) {
  .cs-hero__back {
    margin-block-end: var(--space-xl);
  }
  .cs-hero__tag {
    font-size: var(--type-caption-size);
  }
  .cs-cover {
    margin-block-start: var(--space-2xl);
  }
  .cs-contents ol {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ---------- Detail: sections ---------- */

.cs-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  gap: var(--space-l) var(--grid-gap);
}
.cs-split__head {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}
.cs-index {
  font-size: var(--type-caption-size);
  font-weight: var(--font-weight-medium);
  color: var(--color-accent-text);
}
.cs-split__body:empty {
  display: none;
}
.cs-split--group {
  margin-block-end: var(--space-xl);
}

.cs-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2xl) var(--grid-gap);
  margin-block-start: var(--space-3xl);
}
.cs-gallery--lead > :first-child {
  grid-column: 1 / -1;
}
/* Logos and portrait sheets: always on light paper, whatever the phase. */
.cs-figure--panel {
  aspect-ratio: 16 / 10;
  padding: clamp(1.5rem, 6%, 4rem);
  background: var(--color-dune-mist);
  border: var(--rule);
  border-radius: var(--radius-m);
  min-height: 0;
}
.cs-figure--panel img {
  --media-radius: 0;
  height: 100%;
  object-fit: contain;
}

.cs-identity .cs-part {
  margin-block-start: var(--space-3xl);
  padding-block-start: var(--space-3xl);
  border-block-start: var(--rule);
}
.cs-website .cs-part {
  margin-block-start: var(--space-4xl);
}
.cs-sublabel {
  margin-block-end: var(--space-l);
  padding-block-end: var(--space-s);
  border-block-end: var(--rule);
}
.cs-sublabel + * {
  margin-block-start: 0;
}

/* Palette: the study's own colours, from its content (swatch values are case-study data, not site tokens). */
.cs-palette {
  margin-block-start: var(--space-3xl);
}
.cs-palette__label {
  margin-block-end: var(--space-m);
}
.cs-palette__list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(8rem, 1fr));
  gap: var(--space-l) var(--space-s);
  margin: 0;
  padding: 0;
  list-style: none;
}
.cs-palette__list li {
  display: flex;
  flex-direction: column;
  gap: var(--space-3xs);
}
.cs-palette__chip {
  display: block;
  height: 8rem;
  margin-block-end: var(--space-xs);
  border: var(--rule);
  border-radius: var(--radius-s);
  background: var(--swatch);
}
.cs-palette__name {
  font-weight: var(--font-weight-medium);
}
.cs-palette__hex {
  font-family: var(--font-latin);
  font-size: var(--type-caption-size);
  color: var(--color-text-muted);
}

/* Desktop pages in a browser frame; full-page captures show their first screen. */
.cs-browser {
  border: var(--rule);
  border-radius: var(--radius-m);
  background: var(--color-surface);
}
.cs-browser__bar {
  display: flex;
  gap: 0.4rem;
  padding: 0.7rem 0.9rem;
  border-block-end: var(--rule);
  direction: ltr;
}
.cs-browser__bar i {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: var(--radius-round);
  background: var(--color-line);
}
.cs-browser__view img {
  --media-radius: 0 0 calc(var(--radius-m) - 1px) calc(var(--radius-m) - 1px);
}
.cs-browser__view--crop img {
  aspect-ratio: 16 / 10;
  object-position: top;
}

/* Phone captures in a phone frame, first screen shown. The screen's radius is the frame's minus its padding. */
.cs-phones {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2xl) var(--space-3xl);
  margin: 0;
  padding: 0;
  list-style: none;
}
.cs-phone {
  --frame-pad: 0.55rem;
  width: 16rem;
  padding: var(--frame-pad);
  border: var(--rule);
  border-radius: var(--radius-device);
  background: var(--color-ink);
}
.cs-phone img {
  --media-radius: calc(var(--radius-device) - var(--frame-pad));
  aspect-ratio: 9 / 19.5;
  object-position: top;
}

/* Reasoning: one ruled row per decision. */
.cs-reasons {
  margin: var(--space-3xl) 0 0;
  padding: 0;
  list-style: none;
}
.cs-reason {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  grid-template-rows: auto 1fr;
  gap: var(--space-xs) var(--grid-gap);
  padding-block: var(--space-xl);
  border-block-start: var(--rule);
}
.cs-reason__index {
  font-size: var(--type-caption-size);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
}
.cs-reason__decision {
  grid-column: 1;
}
.cs-reason__why {
  grid-column: 2;
  grid-row: 1 / span 2;
}

/* Previous / next study. */
.cs-pager__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--grid-gap);
}
.cs-pager__link {
  display: grid;
  grid-template-columns: 11rem minmax(0, 1fr);
  gap: var(--space-l);
  align-items: center;
  padding: var(--space-m);
  border: var(--rule);
  border-radius: var(--radius-m);
  background: var(--color-surface);
  text-decoration: none;
  transition: border-color 0.15s var(--ease);
}
.cs-pager__link:hover {
  border-color: var(--color-text-muted);
  color: inherit;
}
.cs-pager__link--next {
  grid-template-columns: minmax(0, 1fr) 11rem;
  text-align: end;
}
.cs-pager__link--next .cs-pager__thumb {
  order: 2;
}
.cs-pager__thumb img {
  --media-radius: var(--radius-s);
  aspect-ratio: 16 / 10;
}
.cs-pager__text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2xs);
}
.cs-pager__link--next .cs-pager__text {
  align-items: flex-end;
}
.cs-pager__tag {
  margin-block-start: var(--space-2xs);
}
.cs-pager__label::before,
.cs-pager__label::after {
  font-family: var(--font-latin);
}
.cs-pager__link--prev .cs-pager__label::before {
  content: "← ";
}
.cs-pager__link--next .cs-pager__label::after {
  content: " →";
}
[dir="rtl"] .cs-pager__link--prev .cs-pager__label::before {
  content: "→ ";
}
[dir="rtl"] .cs-pager__link--next .cs-pager__label::after {
  content: " ←";
}
.cs-pager__sector {
  color: var(--color-text-muted);
}
.cs-pager__all {
  margin-block-start: var(--space-xl);
  text-align: center;
}

@media (max-width: 64rem) {
  .cs-pager__grid {
    grid-template-columns: minmax(0, 1fr);
  }
}
@media (max-width: 40rem) {
  .cs-split,
  .cs-reason {
    grid-template-columns: minmax(0, 1fr);
  }
  .cs-reason {
    grid-template-rows: none;
  }
  .cs-reason__why {
    grid-column: 1;
    grid-row: auto;
    margin-block-start: var(--space-xs);
  }
  .cs-gallery {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-xl);
    margin-block-start: var(--space-2xl);
  }
  .cs-identity .cs-part {
    margin-block-start: var(--space-2xl);
    padding-block-start: var(--space-2xl);
  }
  .cs-website .cs-part {
    margin-block-start: var(--space-3xl);
  }
  .cs-palette__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .cs-palette__chip {
    height: 5rem;
  }
  .cs-phones {
    gap: var(--space-xl) var(--space-m);
  }
  .cs-phone {
    --frame-pad: 0.35rem;
    width: calc(50% - var(--space-m) / 2);
  }
  .cs-pager__link,
  .cs-pager__link--next {
    grid-template-columns: 6.5rem minmax(0, 1fr);
    gap: var(--space-m);
    text-align: start;
  }
  .cs-pager__link--next .cs-pager__thumb {
    order: 0;
  }
  .cs-pager__link--next .cs-pager__text {
    align-items: flex-start;
  }
}