/* =========================================================
   Case Study single detail page (single-ideeda_case.php)
   ========================================================= */
.case-single { padding-bottom: 40px; }
.case-single__wrap { max-width: 1100px; margin: 0 auto; padding-top: 24px; }

.case-single__back {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--color-primary, #005fda); font-weight: 600; font-size: 14px;
  margin-bottom: 18px; text-decoration: none;
}
.case-single__back:hover { text-decoration: underline; }

.case-single__head { margin-bottom: 28px; }
.case-single__badges { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.case-badge {
  display: inline-block; padding: 4px 12px; border-radius: 999px;
  font-size: 12px; font-weight: 700; letter-spacing: .02em; text-transform: uppercase;
}
.case-badge--image { background: rgba(0, 95, 218, .12); color: var(--color-primary, #005fda); }
.case-badge--video { background: rgba(136, 85, 204, .14); color: #8855cc; }
.case-badge--cat { background: rgba(0, 0, 0, .06); color: var(--color-gray-600, #555); }

.case-single__title { font-size: clamp(28px, 4vw, 44px); line-height: 1.15; margin: 0 0 10px; font-weight: 800; }
.case-single__subtitle { color: var(--color-gray-500, #6b7280); font-size: 17px; margin: 0; }

.case-single__body { display: grid; grid-template-columns: 1fr 280px; gap: 32px; align-items: start; }
.case-single__media img,
.case-single__video video {
  width: 100%; border-radius: 16px; box-shadow: 0 18px 50px rgba(0, 0, 0, .12);
  display: block; background: #000;
}
.case-single__media-fallback {
  aspect-ratio: 16 / 9; display: flex; align-items: center; justify-content: center;
  background: #111; color: #aaa; border-radius: 16px;
}

.case-single__meta {
  background: var(--color-surface, #fff); border: 1px solid rgba(0, 0, 0, .06);
  border-radius: 16px; padding: 22px; position: sticky; top: 90px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .05);
}
.case-single__meta h3 {
  margin: 0 0 14px; font-size: 16px; text-transform: uppercase;
  letter-spacing: .04em; color: var(--color-gray-500, #6b7280);
}
.case-single__meta ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.case-single__meta li {
  display: flex; flex-direction: column; gap: 2px;
  padding-bottom: 12px; border-bottom: 1px solid rgba(0, 0, 0, .06);
}
.case-single__meta li:last-child { border-bottom: 0; padding-bottom: 0; }
.case-single__meta span {
  font-size: 12px; text-transform: uppercase; letter-spacing: .04em;
  color: var(--color-gray-400, #9ca3af);
}
.case-single__meta strong { font-size: 16px; font-weight: 700; }

.case-single__content {
  margin-top: 36px; font-size: 17px; line-height: 1.8;
  color: var(--color-gray-700, #374151); max-width: 820px;
}

.case-single__related { margin-top: 48px; }
.case-single__rel-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 18px; margin-top: 18px;
}
.case-single__rel-card {
  text-decoration: none; color: inherit; background: var(--color-surface, #fff);
  border: 1px solid rgba(0, 0, 0, .06); border-radius: 14px; overflow: hidden;
  transition: transform .3s cubic-bezier(.16, 1, .3, 1), box-shadow .3s;
}
.case-single__rel-card:hover { transform: translateY(-4px); box-shadow: 0 16px 36px rgba(0, 0, 0, .12); }
.case-single__rel-img img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.case-single__rel-card h3 { margin: 12px 14px 14px; font-size: 15px; }

@media (max-width: 860px) {
  .case-single__body { grid-template-columns: 1fr; }
  .case-single__meta { position: static; }
}