/* ── Portfolio Section ──────────────────────────────────────────────── */

.ips-portfolio {
  background-color: var(--ink-bg);
  position: relative;
}

/* Wolf watermark — full section bg */
.ips-portfolio__wolf {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0.06;
  pointer-events: none;
  z-index: 0;
}

.ips-portfolio .ips-container {
  position: relative;
  z-index: 1;
}

/* ── Filter bar ─────────────────────────────────────────────────────── */
.ips-portfolio__filters {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 48px;
}

.ips-filter-btn {
  padding: 10px 22px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
  border: 1px solid var(--ink-border);
  background: transparent;
  border-radius: 2px;
  transition: all 0.25s;
}

.ips-filter-btn:hover {
  color: var(--ink-gold);
  border-color: var(--ink-gold-dark);
}

.ips-filter-btn.is-active {
  color: #000;
  background: var(--ink-gold);
  border-color: var(--ink-gold);
}

/* ── Grid ───────────────────────────────────────────────────────────── */
.ips-portfolio__grid {
  display: grid;
  grid-template-columns: repeat(var(--cols, 3), 1fr);
  gap: 3px;
}

/* Individual item */
.ips-portfolio__item {
  position: relative;
  overflow: hidden;
  background: var(--ink-card);
  border: 1px solid var(--ink-border);
  transition: opacity 0.4s, transform 0.4s var(--ease-out-expo);
}

.ips-portfolio__item.is-hidden {
  display: none;
}

.ips-portfolio__item-inner {
  width: 100%;
  height: 100%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Mini SVG art inside placeholder */
.ips-portfolio__art {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  min-height: 180px;
  background: linear-gradient(135deg, #0e0e0e 0%, #161616 100%);
}

/* Category tag */
.ips-portfolio__tag {
  position: absolute;
  top: 12px;
  left: 12px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: rgba(0,0,0,0.85);
  color: var(--ink-gold);
  border: 1px solid var(--ink-border);
  padding: 4px 10px;
  border-radius: 2px;
  backdrop-filter: blur(4px);
}

/* Hover overlay */
.ips-portfolio__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.65);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s;
  border: 1px solid transparent;
}

.ips-portfolio__item:hover .ips-portfolio__overlay {
  opacity: 1;
  border-color: var(--ink-gold);
}

.ips-portfolio__view-label {
  font-family: var(--font-heading);
  font-size: 20px;
  letter-spacing: 0.2em;
  color: var(--ink-gold);
}

/* ── Responsive ─────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .ips-portfolio__grid { --cols: 2 !important; }
}

@media (max-width: 768px) {
  .ips-portfolio__grid { --cols: 1 !important; }
  .ips-portfolio__wolf { display: none; }
}