/* ── Case Study Pages ── */

.case-hero {
  position: relative;
  height: 70vh;
  min-height: 480px;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}
.case-hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}
.case-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.85) 0%, rgba(0,0,0,.3) 50%, rgba(0,0,0,.1) 100%);
}
.case-hero-content {
  position: relative;
  z-index: 2;
  padding: 3rem 0;
  width: 100%;
}
.case-back {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .82rem;
  font-weight: 600;
  color: rgba(255,255,255,.7);
  text-decoration: none;
  margin-bottom: 1.5rem;
  transition: color .2s;
}
.case-back:hover { color: #fff; }
.case-hero-tags { display: flex; gap: .5rem; flex-wrap: wrap; margin-bottom: 1rem; }
.case-hero-tag {
  padding: .3rem .85rem;
  background: rgba(255,255,255,.15);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: .04em;
}
.case-hero-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: .75rem;
  line-height: 1.1;
}
.case-hero-desc {
  font-size: 1rem;
  color: rgba(255,255,255,.75);
  max-width: 620px;
  line-height: 1.7;
}

/* Stats bar */
.case-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  background: #fff;
  box-shadow: 0 4px 24px rgba(0,0,0,.08);
  border-radius: 0 0 var(--radius) var(--radius);
  overflow: hidden;
}
.case-stat {
  padding: 1.75rem 1.5rem;
  text-align: center;
  border-right: 1px solid var(--border);
}
.case-stat:last-child { border-right: none; }
.case-stat-val {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--blue), var(--indigo));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: .35rem;
}
.case-stat-label { font-size: .78rem; color: var(--muted); font-weight: 500; }

/* Content layout */
.case-content {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 4rem;
  align-items: start;
  padding: 5rem 0;
}
.case-main > section {
  margin-bottom: 3.5rem;
}
.case-section-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: .65rem;
}
.case-section-title::before {
  content: '';
  display: block;
  width: 4px;
  height: 1.2em;
  background: linear-gradient(135deg, var(--blue), var(--indigo));
  border-radius: 2px;
  flex-shrink: 0;
}
.case-main p { font-size: .95rem; color: var(--text); line-height: 1.8; margin-bottom: 1rem; }
.case-main ul { list-style: none; padding: 0; display: flex; flex-direction: column; gap: .6rem; }
.case-main ul li {
  display: flex;
  align-items: flex-start;
  gap: .65rem;
  font-size: .9rem;
  color: var(--text);
  line-height: 1.6;
}
.case-main ul li::before {
  content: '✓';
  background: linear-gradient(135deg, var(--blue), var(--indigo));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
  flex-shrink: 0;
  margin-top: .1rem;
}

/* Process timeline */
.case-process { display: flex; flex-direction: column; gap: 0; }
.case-process-step {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  padding-bottom: 2rem;
  position: relative;
}
.case-process-step:last-child { padding-bottom: 0; }
.case-process-step::before {
  content: '';
  position: absolute;
  left: 16px;
  top: 36px;
  bottom: 0;
  width: 2px;
  background: var(--border);
}
.case-process-step:last-child::before { display: none; }
.case-process-num {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--indigo));
  color: #fff;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 800;
  font-size: .8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}
.case-process-body h4 { font-size: .95rem; font-weight: 700; margin-bottom: .25rem; }
.case-process-body p { font-size: .85rem; color: var(--muted); line-height: 1.6; margin: 0; }

/* Sidebar */
.case-sidebar { position: sticky; top: 90px; }
.case-info-card {
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  margin-bottom: 1.5rem;
}
.case-info-card h4 {
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--muted);
  margin-bottom: 1rem;
}
.case-info-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  padding: .65rem 0;
  border-bottom: 1px solid var(--border);
  font-size: .85rem;
}
.case-info-row:last-child { border-bottom: none; padding-bottom: 0; }
.case-info-row .label { color: var(--muted); flex-shrink: 0; }
.case-info-row .value { font-weight: 600; text-align: right; }
.case-visit-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  width: 100%;
  padding: .9rem 1.5rem;
  background: linear-gradient(135deg, var(--blue), var(--indigo));
  color: #fff;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: .9rem;
  text-decoration: none;
  transition: opacity .2s;
  margin-bottom: 1rem;
}
.case-visit-btn:hover { opacity: .88; }
.case-next-prev {
  display: flex;
  gap: .75rem;
}
.case-nav-btn {
  flex: 1;
  padding: .75rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: .8rem;
  font-weight: 600;
  color: var(--text);
  text-align: center;
  text-decoration: none;
  transition: border-color .2s, color .2s;
}
.case-nav-btn:hover { border-color: var(--blue); color: var(--blue); }

@media (max-width: 960px) {
  .case-content { grid-template-columns: 1fr; gap: 2.5rem; }
  .case-sidebar { position: static; }
  .case-stats { grid-template-columns: repeat(2, 1fr); }
  .case-stat:nth-child(2) { border-right: none; }
  .case-stat:nth-child(3) { border-top: 1px solid var(--border); }
}
@media (max-width: 600px) {
  .case-hero { height: 60vh; }
  .case-stats { grid-template-columns: repeat(2, 1fr); }
}