/* ============================================================
   INTERMULTI KREASI 2.0 · portfolio.css
   ============================================================ */

.portfolio-section {
  padding: clamp(48px, 7vw, 96px) 0 var(--pad-section);
}

.portfolio-header {
  margin-bottom: 48px;
}

.portfolio-title {
  font-family: var(--font-display);
  font-size: clamp(44px, 6vw, 80px);
  font-weight: 400;
  line-height: 1.05;
  margin-top: 16px;
}

/* ── Filter tabs ─────────────────────────────────────────────── */
.portfolio-filter {
  display: flex;
  gap: 2px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-btn {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 10px 20px;
  background: transparent;
  border: 1px solid var(--tan-light);
  color: var(--grey);
  cursor: pointer;
  transition: background var(--ease), color var(--ease), border-color var(--ease);
}
.filter-btn:hover {
  border-color: var(--ink);
  color: var(--ink);
}
.filter-btn.active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--white);
}

/* ── Grid ────────────────────────────────────────────────────── */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}

.pf-card {
  display: block;
  overflow: hidden;
}
.pf-card.hidden { display: none; }

.pf-thumb {
  aspect-ratio: 4/3;
  width: 100%;
  display: block;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.pf-card:hover .pf-thumb { transform: scale(1.04); }

/* ── Card scroll reveal ──────────────────────────────────────── */
.pf-card[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.52s ease, transform 0.52s ease;
}
.pf-card[data-reveal].pf-visible {
  opacity: 1;
  transform: none;
}

.pf-info {
  padding: 14px 0 20px;
  border-bottom: 1px solid var(--tan-light);
}

.pf-name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 6px;
  color: var(--ink);
}

.pf-meta {
  display: flex;
  gap: 0;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--grey);
}
.pf-meta span + span::before {
  content: ' · ';
  margin: 0 5px;
}

/* Count line */
.portfolio-count {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--grey);
  margin-top: 32px;
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 900px) {
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .portfolio-grid { grid-template-columns: 1fr; }
  .filter-btn { padding: 8px 14px; font-size: 9px; }
}