/* =========================================================
   4. CASE STUDY
   ========================================================= */
.case {
  padding: clamp(80px, 10vw, 160px) var(--pad-x);
  position: relative;
}
.case__tag {
  max-width: var(--maxw);
  margin: 0 auto 60px;
}

.case__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.case__visual { position: relative; }
.case__image {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--paper-soft);
  box-shadow: 0 30px 80px -30px rgba(0,0,0,0.25);
}
.case__svg {
  width: 100%; height: 100%;
  display: block;
}
.case__image-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, transparent 60%, rgba(22,20,18,0.4) 100%);
  pointer-events: none;
}
.case__image-label {
  position: absolute;
  top: 20px; left: 20px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  z-index: 2;
}
.case__image-coords {
  position: absolute;
  bottom: 20px; left: 20px;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--paper);
  background: rgba(22,20,18,0.7);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  z-index: 2;
}
.case__caption {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-light);
  margin-top: 12px;
  text-align: right;
}

.case__client {
  display: flex;
  flex-direction: column;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line-strong);
}
.case__client span {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-light);
  margin-bottom: 6px;
}
.case__client strong {
  font-family: var(--f-display);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.case__title {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 36px;
}

.case__row {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 24px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
  align-items: start;
}
.case__row-label {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  padding-top: 4px;
}
.case__row-body {
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-mid);
}
.case__row-body--lead {
  font-family: var(--f-display);
  font-size: 20px;
  font-style: italic;
  color: var(--ink);
  line-height: 1.4;
}
.case__note {
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-light);
  margin-top: 20px;
  padding-left: 16px;
  border-left: 2px solid var(--line-strong);
}

.case__content .btn { margin-top: 36px; }

/* Aksi pada case study homepage: link ke studi kasus lengkap + semua proyek. */
.case__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; }
.case__all-link { font-family: var(--f-mono); font-size: 13px; letter-spacing: 0.03em; color: var(--ink-mid); border-bottom: 1px solid transparent; }
.case__all-link:hover { color: var(--accent); border-bottom-color: currentColor; }