/* Case Studies: a restrained, data-led extension of the existing Yesi visual system. */
.cases-page {
  background: var(--paper);
}

.cases-hero {
  padding: clamp(74px, 10vw, 132px) max(5vw, 28px) clamp(64px, 8vw, 106px);
  background: var(--blue);
  color: #fff;
}

.cases-hero-inner,
.cases-section,
.cases-disclaimer {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.cases-hero h1 {
  max-width: 900px;
  margin: 0;
  font: 700 clamp(46px, 6vw, 82px)/.98 'Playfair Display', Georgia, serif;
  letter-spacing: -.055em;
}

.cases-hero h1 em {
  color: var(--gold);
}

.cases-hero-copy {
  max-width: 700px;
  margin: 30px 0 0;
  color: #d1dce6;
  font-size: 18px;
  line-height: 1.75;
}

.cases-hero-copy + .cases-hero-copy {
  margin-top: 8px;
  color: #9fb1c2;
  font-size: 15px;
}

.cases-section {
  padding: clamp(58px, 8vw, 100px) max(5vw, 28px);
}

.cases-section--mist {
  width: 100%;
  max-width: none;
  background: var(--mist);
}

.cases-section--mist > * {
  width: min(1180px, 100%);
  margin-left: auto;
  margin-right: auto;
}

.cases-section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 38px;
}

.cases-section-heading h2 {
  max-width: 720px;
  margin: 0;
  font: 600 clamp(34px, 4vw, 57px)/1.06 'Playfair Display', Georgia, serif;
  letter-spacing: -.045em;
}

.cases-section-heading p {
  max-width: 620px;
  color: var(--muted);
  margin: 16px 0 0;
}

.cases-search-bar {
  display: flex;
  align-items: end;
  gap: 18px;
  padding: 24px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.cases-search-field {
  flex: 1;
}

.cases-search-field label {
  display: block;
  margin-bottom: 8px;
  color: var(--gold);
  font: 11px/1.2 'DM Mono', monospace;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.cases-search-field input {
  margin: 0;
  min-height: 48px;
  border-color: #bfcad3;
  background: #fff;
  font-size: 15px;
}

.cases-search-status {
  min-width: 160px;
  margin: 0;
  color: var(--muted);
  font: 12px/1.4 'DM Mono', monospace;
  text-align: right;
}

.cases-filter-wrap {
  overflow-x: auto;
  scrollbar-width: thin;
  margin: 28px 0 0;
  padding-bottom: 8px;
}

.cases-filter {
  display: inline-flex;
  min-width: max-content;
  gap: 8px;
}

.cases-filter button {
  appearance: none;
  border: 1px solid var(--line);
  border-radius: 0;
  background: #fff;
  color: var(--ink);
  padding: 10px 14px;
  font: 700 12px/1.2 Manrope, Arial, sans-serif;
  cursor: pointer;
  transition: background-color .25s ease, color .25s ease, border-color .25s ease;
  white-space: nowrap;
}

.cases-filter button:hover,
.cases-filter button:focus-visible,
.cases-filter button.is-active {
  border-color: var(--ink);
  background: var(--ink);
  color: #fff;
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.case-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  border: 1px solid var(--line);
  background: #fff;
  transition: transform .28s ease, border-color .28s ease;
}

.case-card:hover {
  transform: translateY(-5px);
  border-color: #9eabb6;
}

.case-card-media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #dfe6ea;
}

.case-card-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s ease;
}

.case-card:hover .case-card-media img {
  transform: scale(1.035);
}

.case-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 25px 26px 26px;
}

.case-card-category,
.case-card-meta,
.case-detail-kicker,
.case-detail-index {
  color: var(--gold);
  font: 11px/1.35 'DM Mono', monospace;
  letter-spacing: .07em;
  text-transform: uppercase;
}

.case-card h3 {
  margin: 17px 0 12px;
  font: 600 27px/1.1 'Playfair Display', Georgia, serif;
  letter-spacing: -.025em;
}

.case-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

.case-card-meta-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
  margin: 25px 0 26px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.case-card-meta strong {
  display: block;
  margin-top: 4px;
  color: var(--ink);
  font: 600 13px/1.35 Manrope, Arial, sans-serif;
  letter-spacing: 0;
  text-transform: none;
}

.case-card .arrow-link {
  margin-top: auto;
}

.case-card--featured {
  grid-column: span 2;
  display: grid;
  grid-template-columns: minmax(240px, .9fr) 1.1fr;
}

.case-card--featured .case-card-media {
  height: 100%;
  aspect-ratio: auto;
}

.case-card--featured h3 {
  font-size: clamp(29px, 3vw, 42px);
}

.cases-empty {
  grid-column: 1 / -1;
  padding: 34px 28px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
}

.cases-empty strong {
  display: block;
  margin-bottom: 6px;
  color: var(--ink);
}

.cases-archive-note {
  margin: 30px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.cases-regions {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 8vw;
  align-items: start;
}

.cases-regions h2,
.cases-advantages h2 {
  margin: 0;
  font: 600 clamp(32px, 4vw, 52px)/1.06 'Playfair Display', Georgia, serif;
  letter-spacing: -.04em;
}

.cases-regions p,
.cases-advantages p {
  color: var(--muted);
}

.cases-location-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.cases-location-list span {
  padding: 17px 18px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #fff;
  font: 600 15px/1.35 'Playfair Display', Georgia, serif;
}

.cases-advantages {
  padding: clamp(58px, 8vw, 100px) max(5vw, 28px);
  background: #fff;
}

.cases-advantages-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8vw;
  width: min(1180px, 100%);
  margin: 0 auto;
}

.cases-advantages-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.cases-advantages-list article {
  min-height: 150px;
  padding: 24px;
  background: var(--paper);
}

.cases-advantages-list span {
  color: var(--gold);
  font: 11px 'DM Mono', monospace;
}

.cases-advantages-list h3 {
  margin: 24px 0 8px;
  font-size: 17px;
}

.cases-advantages-list p {
  margin: 0;
  font-size: 13px;
}

.cases-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 38px 42px;
  background: var(--blue);
  color: #fff;
}

.cases-cta h2 {
  margin: 0 0 8px;
  font: 600 clamp(30px, 3vw, 43px)/1.08 'Playfair Display', Georgia, serif;
}

.cases-cta p {
  max-width: 650px;
  margin: 0;
  color: #cbd7e2;
}

.cases-disclaimer {
  padding: 0 max(5vw, 28px) 72px;
}

.cases-disclaimer-inner {
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.cases-disclaimer p {
  max-width: 940px;
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.case-detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 7vw;
  align-items: start;
}

.case-detail-main {
  min-width: 0;
}

.case-detail-main h2 {
  margin: 58px 0 17px;
  font: 600 clamp(29px, 3vw, 42px)/1.08 'Playfair Display', Georgia, serif;
  letter-spacing: -.035em;
}

.case-detail-main h2:first-child {
  margin-top: 0;
}

.case-detail-main p {
  max-width: 760px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
}

.case-detail-main figure {
  margin: 34px 0 48px;
}

.case-detail-main figure img {
  display: block;
  width: min(100%, 760px);
  height: auto;
  border: 1px solid var(--line);
}

.case-detail-main figcaption {
  max-width: 760px;
  margin-top: 10px;
  color: var(--muted);
  font-size: 12px;
}

.case-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin: 34px 0 48px;
}

.case-gallery figure {
  margin: 0;
}

.case-gallery img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.case-gallery figcaption {
  max-width: none;
  margin-top: 8px;
}

.case-detail-index {
  margin-bottom: 17px;
}

.case-detail-title {
  margin: 0;
  font: 600 clamp(38px, 5vw, 68px)/1.02 'Playfair Display', Georgia, serif;
  letter-spacing: -.05em;
}

.case-detail-intro {
  max-width: 760px;
  margin: 25px 0 0;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.7;
}

.case-facts {
  position: sticky;
  top: 28px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  background: #fff;
}

.case-fact {
  padding: 16px 18px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.case-fact span {
  display: block;
  color: var(--gold);
  font: 10px/1.3 'DM Mono', monospace;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.case-fact strong {
  display: block;
  margin-top: 5px;
  font-size: 14px;
  line-height: 1.45;
}

.case-detail-callout {
  margin: 34px 0 44px;
  padding: 24px 28px;
  border-left: 4px solid var(--gold);
  background: var(--mist);
}

.case-detail-callout p {
  margin: 0;
  color: var(--ink);
  font-size: 15px;
}

.case-related {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.case-related a {
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
  text-decoration: underline;
  text-decoration-color: var(--gold);
  text-underline-offset: 4px;
}

.cases-topic-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.cases-topic-grid article {
  display: flex;
  min-height: 245px;
  flex-direction: column;
  padding: 25px 26px 26px;
  background: #fff;
}

.cases-topic-grid span {
  color: var(--gold);
  font: 11px 'DM Mono', monospace;
}

.cases-topic-grid h3 {
  margin: 42px 0 10px;
  font-size: 18px;
  line-height: 1.25;
}

.cases-topic-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.cases-topic-grid .arrow-link {
  margin-top: auto;
  padding-top: 20px;
}

.cases-faq-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.cases-faq-list details {
  padding: 22px 26px;
  background: #fff;
}

.cases-faq-list summary {
  cursor: pointer;
  font-weight: 800;
  line-height: 1.45;
}

.cases-faq-list p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

@media (max-width: 980px) {
  .cases-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .case-card--featured {
    grid-column: span 2;
  }

  .case-detail-layout {
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 35px;
  }
}

@media (max-width: 760px) {
  .cases-section-heading,
  .cases-search-bar,
  .cases-cta {
    display: block;
  }

  .cases-search-status {
    margin-top: 13px;
    text-align: left;
  }

  .cases-grid,
  .cases-regions,
  .cases-advantages-inner,
  .case-detail-layout {
    grid-template-columns: 1fr;
  }

  .cases-topic-grid,
  .cases-faq-list,
  .case-gallery {
    grid-template-columns: 1fr;
  }

  .case-card--featured {
    grid-column: auto;
    display: flex;
  }

  .case-card--featured .case-card-media {
    aspect-ratio: 4 / 3;
  }

  .cases-location-list,
  .cases-advantages-list {
    grid-template-columns: 1fr;
  }

  .cases-cta .button {
    margin-top: 25px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .case-card,
  .case-card-media img,
  .cases-filter button {
    transition: none;
  }
}