/* ==========================================================================
   CASE STUDIES — listing + detail pages
   Uses the site's existing tokens from main.min.css (--accent-color etc.).
   Everything is scoped under .case-studies-page so other pages are untouched.
   ========================================================================== */

.case-studies-page {
  --cs-radius: 16px;
  --cs-border: color-mix(in srgb, var(--default-color), transparent 90%);
  --cs-soft: color-mix(in srgb, var(--accent-color), transparent 93%);
  --cs-shadow: 0 6px 24px color-mix(in srgb, var(--default-color), transparent 91%);
  --cs-shadow-hover: 0 14px 36px color-mix(in srgb, var(--default-color), transparent 86%);
}

/* ---------- Listing header ---------- */
.case-studies-page .section-title h1 {
  font-size: 34px;
  font-weight: 700;
  margin-bottom: 16px;
}
.case-studies-page .section-title p {
  max-width: 820px;
  margin: 0 auto;
  color: color-mix(in srgb, var(--default-color), transparent 25%);
}

/* ---------- Filters (same markup as blog) ---------- */
.case-studies-page .blog-filter {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}
.case-studies-page .filter-btn,
.case-studies-page .role-btn {
  border: 1.5px solid color-mix(in srgb, var(--accent-color), transparent 60%);
  background: var(--surface-color);
  color: var(--accent-color);
  padding: 8px 22px;
  border-radius: 50px;
  font-family: var(--nav-font);
  font-weight: 600;
  font-size: 14px;
  transition: .3s;
}
.case-studies-page .filter-btn:hover,
.case-studies-page .role-btn:hover { background: var(--cs-soft); }
.case-studies-page .filter-btn.active,
.case-studies-page .role-btn.active {
  background: var(--accent-color);
  border-color: var(--accent-color);
  color: var(--contrast-color);
}

/* ---------- Cards ---------- */
.case-studies-page .cs-card {
  background: var(--surface-color);
  border-radius: var(--cs-radius);
  overflow: hidden;
  border: 1px solid var(--cs-border);
  box-shadow: var(--cs-shadow);
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: transform .3s, box-shadow .3s;
}
.case-studies-page .cs-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--cs-shadow-hover);
}
.case-studies-page .cs-card-image {
  position: relative;
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}
.case-studies-page .cs-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s;
}
.case-studies-page .cs-card:hover .cs-card-image img { transform: scale(1.06); }
.case-studies-page .cs-photo-count {
  position: absolute;
  right: 12px;
  bottom: 12px;
  background: rgba(0, 0, 0, .6);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 20px;
  backdrop-filter: blur(4px);
}
.case-studies-page .cs-card .blog-content {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.case-studies-page .cs-card h4 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.35;
  margin: 12px 0 10px;
}
.case-studies-page .cs-card h4 a { color: var(--heading-color); }
.case-studies-page .cs-card h4 a:hover { color: var(--accent-color); }
.case-studies-page .cs-card p {
  font-size: 14.5px;
  line-height: 1.65;
  color: color-mix(in srgb, var(--default-color), transparent 20%);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.case-studies-page .cs-card .read-more { margin-top: auto; padding-top: 6px; font-weight: 600; }

.case-studies-page .blog-year,
.case-studies-page .blog-role,
.case-studies-page .cs-location {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  margin: 0 6px 6px 0;
}
.case-studies-page .blog-year { background: var(--accent-color); color: var(--contrast-color); }
.case-studies-page .blog-role { background: var(--cs-soft); color: var(--accent-color); }
.case-studies-page .cs-location {
  background: color-mix(in srgb, var(--default-color), transparent 94%);
  color: color-mix(in srgb, var(--default-color), transparent 15%);
}

.case-studies-page .cs-card-stats {
  display: flex;
  gap: 16px;
  padding: 12px 0;
  margin-bottom: 12px;
  border-top: 1px dashed var(--cs-border);
  border-bottom: 1px dashed var(--cs-border);
  font-size: 13px;
  color: color-mix(in srgb, var(--default-color), transparent 30%);
}
.case-studies-page .cs-card-stats strong { color: var(--accent-color); font-size: 16px; margin-right: 2px; }

.case-studies-page .cs-empty {
  display: none;
  text-align: center;
  padding: 50px 0;
  color: color-mix(in srgb, var(--default-color), transparent 35%);
}
.case-studies-page .cs-empty i { font-size: 40px; color: var(--accent-color); display: block; margin-bottom: 10px; }

/* ---------- Pagination ---------- */
.case-studies-page .pagination-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
}
.case-studies-page .page-btn {
  border: none;
  background: var(--accent-color);
  color: var(--contrast-color);
  padding: 9px 24px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 14px;
  transition: .3s;
}
.case-studies-page .page-btn:hover:not(:disabled) { background: color-mix(in srgb, var(--accent-color), #000 12%); }
.case-studies-page .page-btn:disabled { opacity: .4; cursor: not-allowed; }
.case-studies-page #pageInfo { font-weight: 600; color: var(--heading-color); }

/* ==========================================================================
   DETAIL PAGE
   ========================================================================== */

.case-studies-page .cs-detail-wrap { max-width: 1240px; margin: 0 auto; }

/* Hero */
.case-studies-page .cs-hero { max-width: 960px; margin-bottom: 30px; }
.case-studies-page .cs-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  margin-bottom: 18px;
  color: color-mix(in srgb, var(--default-color), transparent 40%);
}
.case-studies-page .cs-breadcrumb i { font-size: 10px; }
.case-studies-page .cs-hero h1 {
  font-size: clamp(26px, 3.4vw, 40px);
  font-weight: 800;
  line-height: 1.2;
  margin: 12px 0 16px;
}
.case-studies-page .cs-lead {
  font-size: 18px;
  line-height: 1.7;
  color: color-mix(in srgb, var(--default-color), transparent 20%);
  margin: 0;
}

/* Gallery */
.case-studies-page .cs-gallery { margin-bottom: 30px; }
.case-studies-page .cs-main-swiper {
  border-radius: 20px;
  overflow: hidden;
  position: relative;
  box-shadow: 0 20px 50px color-mix(in srgb, var(--default-color), transparent 85%);
  background: color-mix(in srgb, var(--default-color), transparent 94%);
}
.case-studies-page .cs-main-swiper .swiper-slide { position: relative; }
.case-studies-page .cs-main-swiper .swiper-slide a { display: block; position: relative; }
.case-studies-page .cs-main-swiper img {
  width: 100%;
  aspect-ratio: 16 / 8;
  object-fit: cover;
  display: block;
}
.case-studies-page .cs-zoom {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .9);
  color: var(--heading-color);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: .3s;
}
.case-studies-page .cs-main-swiper a:hover .cs-zoom { opacity: 1; }
.case-studies-page .cs-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 40px 24px 18px;
  color: #fff;
  font-size: 15px;
  font-weight: 500;
  background: linear-gradient(transparent, rgba(0, 0, 0, .65));
  pointer-events: none;
}
.case-studies-page .cs-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, .92);
  color: var(--heading-color);
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(0, 0, 0, .15);
  transition: .3s;
}
.case-studies-page .cs-nav:hover { background: var(--accent-color); color: #fff; }
.case-studies-page .cs-nav.swiper-button-disabled { opacity: .35; pointer-events: none; }
.case-studies-page .cs-prev { left: 18px; }
.case-studies-page .cs-next { right: 18px; }
.case-studies-page .cs-counter {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 5;
  background: rgba(0, 0, 0, .6);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 20px;
}
.case-studies-page .cs-thumb-swiper { margin-top: 12px; }
.case-studies-page .cs-thumb-swiper .swiper-slide {
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  opacity: .55;
  border: 2px solid transparent;
  transition: .3s;
}
.case-studies-page .cs-thumb-swiper .swiper-slide:hover { opacity: .85; }
.case-studies-page .cs-thumb-swiper .swiper-slide-thumb-active { opacity: 1; border-color: var(--accent-color); }
.case-studies-page .cs-thumb-swiper img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; display: block; }

/* Highlights */
.case-studies-page .cs-highlights {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 16px;
  margin-bottom: 50px;
}
.case-studies-page .cs-highlight {
  background: var(--surface-color);
  border: 1px solid var(--cs-border);
  border-radius: var(--cs-radius);
  padding: 22px 18px;
  text-align: center;
  box-shadow: var(--cs-shadow);
  transition: transform .3s;
}
.case-studies-page .cs-highlight:hover { transform: translateY(-4px); }
.case-studies-page .cs-highlight i {
  font-size: 22px;
  color: var(--accent-color);
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--cs-soft);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
}
.case-studies-page .cs-highlight strong {
  display: block;
  font-family: var(--heading-font);
  font-size: 28px;
  font-weight: 800;
  color: var(--heading-color);
  line-height: 1.1;
}
.case-studies-page .cs-highlight span {
  font-size: 13px;
  color: color-mix(in srgb, var(--default-color), transparent 35%);
  font-weight: 500;
}

/* Sections */
.case-studies-page .cs-section { margin-bottom: 44px; scroll-margin-top: 110px; }
.case-studies-page .cs-section h2 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 20px;
  padding-bottom: 12px;
  position: relative;
}
.case-studies-page .cs-section h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 50px;
  height: 3px;
  border-radius: 2px;
  background: var(--accent-color);
}
.case-studies-page .cs-section > p,
.case-studies-page .cs-section p {
  font-size: 16px;
  line-height: 1.8;
  color: color-mix(in srgb, var(--default-color), transparent 12%);
}

.case-studies-page .cs-list { list-style: none; padding: 0; margin: 0 0 18px; display: grid; gap: 10px; }
.case-studies-page .cs-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: var(--cs-soft);
  border-radius: 10px;
  padding: 12px 16px;
}
.case-studies-page .cs-list i { color: var(--accent-color); font-size: 18px; line-height: 1.4; }

.case-studies-page .cs-numbered { display: grid; gap: 14px; }
.case-studies-page .cs-numbered-item {
  display: flex;
  gap: 18px;
  padding: 20px;
  border-radius: 14px;
  border: 1px solid var(--cs-border);
  border-left: 4px solid var(--accent-color);
  background: var(--surface-color);
}
.case-studies-page .cs-num {
  font-family: var(--heading-font);
  font-size: 26px;
  font-weight: 800;
  color: color-mix(in srgb, var(--accent-color), transparent 40%);
  line-height: 1;
  min-width: 36px;
}
.case-studies-page .cs-numbered-item h4,
.case-studies-page .cs-feature h4 { font-size: 17px; font-weight: 700; margin-bottom: 6px; }
.case-studies-page .cs-numbered-item p,
.case-studies-page .cs-feature p { margin: 0; font-size: 15px; line-height: 1.65; }

.case-studies-page .cs-service-card {
  height: 100%;
  padding: 24px;
  border-radius: var(--cs-radius);
  background: var(--surface-color);
  border: 1px solid var(--cs-border);
  box-shadow: var(--cs-shadow);
  transition: .3s;
  position: relative;
  overflow: hidden;
}
.case-studies-page .cs-service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--accent-color);
  transition: width .4s;
}
.case-studies-page .cs-service-card:hover { transform: translateY(-4px); box-shadow: var(--cs-shadow-hover); }
.case-studies-page .cs-service-card:hover::before { width: 100%; }
.case-studies-page .cs-service-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.case-studies-page .cs-service-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--accent-color);
  color: #fff;
  font-size: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.case-studies-page .cs-service-step {
  font-family: var(--heading-font);
  font-size: 24px;
  font-weight: 800;
  color: color-mix(in srgb, var(--default-color), transparent 80%);
}
.case-studies-page .cs-service-card h4 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.case-studies-page .cs-service-card p { font-size: 14.5px; margin-bottom: 12px; }
.case-studies-page .cs-service-card ul { list-style: none; padding: 0; margin: 0; }
.case-studies-page .cs-service-card li {
  display: flex;
  gap: 8px;
  font-size: 14px;
  padding: 5px 0;
  color: color-mix(in srgb, var(--default-color), transparent 10%);
}
.case-studies-page .cs-service-card li i { color: var(--accent-color); font-weight: 700; }

.case-studies-page .cs-results {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
}
.case-studies-page .cs-result {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 16px 18px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--cs-soft), transparent);
  border: 1px solid color-mix(in srgb, var(--accent-color), transparent 80%);
  font-weight: 500;
  color: var(--heading-color);
}
.case-studies-page .cs-result i { color: var(--accent-color); font-size: 20px; line-height: 1.2; }

.case-studies-page .cs-features { display: grid; gap: 18px; }
.case-studies-page .cs-feature { display: flex; gap: 16px; align-items: flex-start; }
.case-studies-page .cs-feature-icon {
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--cs-soft);
  color: var(--accent-color);
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Tags / share / prev-next */
.case-studies-page .cs-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0 24px; }
.case-studies-page .cs-tags span {
  font-size: 13px;
  padding: 5px 12px;
  border-radius: 20px;
  background: color-mix(in srgb, var(--default-color), transparent 94%);
  color: color-mix(in srgb, var(--default-color), transparent 20%);
}
.case-studies-page .cs-share {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 18px 0;
  border-top: 1px solid var(--cs-border);
  border-bottom: 1px solid var(--cs-border);
}
.case-studies-page .cs-share > span { font-weight: 600; color: var(--heading-color); margin-right: 6px; }
.case-studies-page .cs-share a,
.case-studies-page .cs-share button {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: none;
  background: var(--cs-soft);
  color: var(--accent-color);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: .3s;
}
.case-studies-page .cs-share a:hover,
.case-studies-page .cs-share button:hover { background: var(--accent-color); color: #fff; }

.case-studies-page .cs-prevnext {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 24px;
}
.case-studies-page .cs-pn {
  padding: 18px;
  border-radius: 14px;
  border: 1px solid var(--cs-border);
  transition: .3s;
}
.case-studies-page .cs-pn:hover { border-color: var(--accent-color); background: var(--cs-soft); }
.case-studies-page .cs-pn.next { text-align: right; }
.case-studies-page .cs-pn small { display: block; color: var(--accent-color); font-weight: 600; margin-bottom: 4px; }
.case-studies-page .cs-pn span {
  color: var(--heading-color);
  font-weight: 600;
  font-size: 14.5px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Sidebar */
.case-studies-page .cs-sidebar { position: sticky; top: 110px; display: grid; gap: 20px; }
.case-studies-page .cs-widget {
  background: var(--surface-color);
  border: 1px solid var(--cs-border);
  border-radius: var(--cs-radius);
  padding: 24px;
  box-shadow: var(--cs-shadow);
}
.case-studies-page .cs-widget h3 { font-size: 18px; font-weight: 700; margin-bottom: 16px; }
.case-studies-page .cs-snapshot { margin: 0; }
.case-studies-page .cs-snapshot div {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--cs-border);
}
.case-studies-page .cs-snapshot div:last-child { border-bottom: none; padding-bottom: 0; }
.case-studies-page .cs-snapshot dt {
  font-weight: 500;
  font-size: 13.5px;
  color: color-mix(in srgb, var(--default-color), transparent 35%);
  flex-shrink: 0;
}
.case-studies-page .cs-snapshot dd {
  margin: 0;
  font-weight: 600;
  font-size: 14px;
  color: var(--heading-color);
  text-align: right;
}
.case-studies-page .cs-service-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.case-studies-page .cs-service-tags span {
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 20px;
  border: 1.5px solid color-mix(in srgb, var(--accent-color), transparent 60%);
  color: var(--accent-color);
}
.case-studies-page .cs-toc ul { list-style: none; padding: 0; margin: 0; }
.case-studies-page .cs-toc a {
  display: block;
  padding: 7px 0 7px 14px;
  font-size: 14px;
  color: color-mix(in srgb, var(--default-color), transparent 25%);
  border-left: 2px solid var(--cs-border);
}
.case-studies-page .cs-toc a:hover,
.case-studies-page .cs-toc a.active {
  color: var(--accent-color);
  border-left-color: var(--accent-color);
  font-weight: 600;
}
.case-studies-page .cs-cta {
  background: linear-gradient(135deg, var(--accent-color), color-mix(in srgb, var(--accent-color), #000 25%));
  border: none;
  color: #fff;
}
.case-studies-page .cs-cta h3 { color: #fff; }
.case-studies-page .cs-cta p { font-size: 14.5px; color: rgba(255, 255, 255, .85); line-height: 1.6; }
.case-studies-page .cs-cta-phone {
  display: block;
  margin-top: 12px;
  text-align: center;
  color: #fff;
  font-weight: 600;
  font-size: 14px;
}
.case-studies-page .cs-cta-phone:hover { color: rgba(255, 255, 255, .8); }

/* Buttons */
.case-studies-page .cs-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 14.5px;
  transition: .3s;
}
.case-studies-page .cs-btn-primary { background: var(--accent-color); color: #fff; }
.case-studies-page .cs-btn-primary:hover { background: color-mix(in srgb, var(--accent-color), #000 12%); color: #fff; }
.case-studies-page .cs-btn-light { background: #fff; color: var(--accent-color); width: 100%; }
.case-studies-page .cs-btn-light:hover { background: rgba(255, 255, 255, .88); color: var(--accent-color); }

/* Related */
.case-studies-page .cs-related { margin-top: 70px; padding-top: 50px; border-top: 1px solid var(--cs-border); }
.case-studies-page .cs-related-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}
.case-studies-page .cs-related-head h2 { font-size: 26px; font-weight: 700; margin: 0; }

/* Not found */
.case-studies-page .cs-notfound { padding: 80px 0; }
.case-studies-page .cs-notfound i { font-size: 54px; color: var(--accent-color); }
.case-studies-page .cs-notfound h2 { margin: 16px 0 8px; }
.case-studies-page .cs-notfound p { margin-bottom: 24px; }

/* Responsive */
@media (max-width: 991px) {
  .case-studies-page .cs-sidebar { position: static; }
  .case-studies-page .cs-main-swiper img { aspect-ratio: 4 / 3; }
}
@media (max-width: 575px) {
  .case-studies-page .section-title h1 { font-size: 26px; }
  .case-studies-page .cs-lead { font-size: 16px; }
  .case-studies-page .cs-nav { width: 38px; height: 38px; font-size: 15px; }
  .case-studies-page .cs-prev { left: 10px; }
  .case-studies-page .cs-next { right: 10px; }
  .case-studies-page .cs-prevnext { grid-template-columns: 1fr; }
  .case-studies-page .cs-pn.next { text-align: left; }
  .case-studies-page .cs-highlights { grid-template-columns: repeat(2, 1fr); }
  .case-studies-page .cs-highlight strong { font-size: 22px; }
  .case-studies-page .cs-numbered-item { flex-direction: column; gap: 8px; }
}