/* ============================================================
   INTERMULTI KREASI 2.0 · case-study.css
   ============================================================ */

.case-study {
  padding: clamp(32px, 5vw, 64px) 0 var(--pad-section);
}

.cs-back {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 40px;
  transition: color var(--ease);
}
.cs-back:hover { color: var(--ink); }

/* ── Two-column layout ───────────────────────────────────────── */
.cs-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

/* ── Cover ───────────────────────────────────────────────────── */
.cs-cover-wrap {
  position: sticky;
  top: calc(var(--nav-h) + 24px);
}

.cs-cover {
  aspect-ratio: 4/5;
  width: 100%;
}

.cs-cover-caption {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--grey);
  margin-top: 12px;
}

/* ── Content ─────────────────────────────────────────────────── */
.cs-category {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sienna);
  margin-bottom: 16px;
}

.cs-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 4vw, 60px);
  font-weight: 400;
  line-height: 1.05;
  color: var(--ink);
  margin-bottom: 24px;
}

.cs-desc {
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-mid);
  border-bottom: 1px solid var(--tan-light);
  padding-bottom: 36px;
  margin-bottom: 36px;
}

/* ── Stats ───────────────────────────────────────────────────── */
.cs-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 2px;
  margin-bottom: 40px;
}

.cs-stat {
  background: var(--cream-dark);
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.cs-stat-num {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 400;
  color: var(--sienna);
  line-height: 1;
}

.cs-stat-label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--grey);
  line-height: 1.4;
}

/* ── Detail photos ───────────────────────────────────────────── */
.cs-photos {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  margin-bottom: 40px;
}

.cs-detail-photo {
  aspect-ratio: 4/3;
  width: 100%;
}

/* ── Scope ───────────────────────────────────────────────────── */
.cs-scope {
  border-top: 1px solid var(--tan-light);
  padding-top: 28px;
}

.cs-scope-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 16px;
}

.cs-scope-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.cs-scope-list li {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-mid);
  padding-left: 16px;
  position: relative;
}
.cs-scope-list li::before {
  content: '–';
  position: absolute;
  left: 0;
  color: var(--sienna);
}

/* ── Next project ────────────────────────────────────────────── */
.cs-next {
  margin-top: 80px;
  border-top: 1px solid var(--tan-light);
  padding-top: 32px;
}

.cs-next-link {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: fit-content;
}

.cs-next-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--grey);
}

.cs-next-name {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 400;
  color: var(--ink);
  transition: color var(--ease);
}
.cs-next-link:hover .cs-next-name { color: var(--blue); }

/* ── Story callout ───────────────────────────────────────────── */
.cs-callout {
  border-left: 3px solid var(--sienna);
  padding: 20px 24px;
  margin: 0 0 40px;
  background: var(--cream-dark);
}
.cs-callout p {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.5vw, 32px);
  font-weight: 300;
  color: var(--ink);
  line-height: 1.15;
  margin: 0;
}

/* ── Phase timeline ──────────────────────────────────────────── */
.cs-phases {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  margin-bottom: 40px;
}
.cs-phase {
  background: var(--cream-dark);
  padding: 22px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.cs-phase-label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sienna);
}
.cs-phase-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  font-weight: 500;
  margin: 0;
}
.cs-phase p {
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink-mid);
  margin: 0;
}

/* Nav clearance — overrides per-page padding shorthand via higher specificity */
article.case-study {
  padding-top: calc(var(--nav-h) + clamp(16px, 3vw, 32px));
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 900px) {
  .cs-layout { grid-template-columns: 1fr; gap: 40px; }
  .cs-cover-wrap { position: static; }
  .cs-cover { aspect-ratio: 16/9; }
}

@media (max-width: 520px) {
  .cs-stats { grid-template-columns: 1fr; }
  .cs-photos { grid-template-columns: 1fr; }
  .cs-phases { grid-template-columns: 1fr; }
}