/* assets/css/pages/portfolio.css */

/* Screen-reader only utility */
.sr-only {
  position: absolute; width:1px; height:1px;
  padding:0; margin:-1px; overflow:hidden;
  clip:rect(0,0,0,0); white-space:nowrap; border:0;
}

/* ── FILTER ───────────────────────────────────────────────── */
.portfolio-main { padding: var(--space-2xl) 0; }
.pf-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
}
.pf-btn {
  padding: 8px 20px;
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--muted);
  background: transparent;
  transition: var(--transition);
}
.pf-btn.active,
.pf-btn:hover {
  border-color: var(--electric-purple);
  color: var(--electric-purple);
  background: var(--ep-dim);
}

/* ── GRID ─────────────────────────────────────────────────── */
.pf-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.pf-card {
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  transition: var(--transition);
}
.pf-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(107,33,168,0.15);
}
.pf-card--featured { grid-column: span 2; }
.pf-card[data-hidden="true"] {
  display: none;
}

.pf-thumb {
  position: relative;
  aspect-ratio: 16/9;
  background: var(--void-3);
  overflow: hidden;
}
.pf-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s var(--ease);
}
.pf-card:hover .pf-thumb img { transform: scale(1.04); }

.pf-stub {
  display: flex;
  align-items: center;
  justify-content: center;
}
.pf-stub span {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: rgba(168,85,247,0.25);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.pf-overlay {
  position: absolute;
  inset: 0;
  background: rgba(107,33,168,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}
.pf-card:hover .pf-overlay { opacity: 1; }
.pf-overlay-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #fff;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid rgba(255,255,255,0.4);
  padding: 10px 20px;
  border-radius: 3px;
}

.pf-info { padding: 22px 24px 26px; }
.pf-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.pf-cat {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--electric-purple);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.pf-year {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--muted);
  letter-spacing: 0.06em;
}
.pf-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1rem;
  color: var(--offwhite);
  text-transform: uppercase;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
  line-height: 1.15;
}
.pf-desc {
  font-size: 0.83rem;
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 14px;
}
.pf-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 18px;
}
.pf-tags span {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 3px 8px;
  letter-spacing: 0.06em;
}

/* ── NOTE ─────────────────────────────────────────────────── */
.pf-note {
  margin-top: 40px;
  padding: 24px 28px;
  border: 1px dashed rgba(168,85,247,0.2);
  border-radius: 4px;
  background: rgba(168,85,247,0.03);
}
.pf-note p {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.7;
}
.pf-note a {
  color: var(--electric-purple);
  border-bottom: 1px solid rgba(168,85,247,0.3);
}

/* ── CTA ──────────────────────────────────────────────────── */
.port-cta { padding: var(--space-2xl) 0; }
.pcta-inner {
  max-width: 500px;
  margin: 0 auto;
  text-align: center;
}
.pcta-inner p {
  font-size: 0.95rem;
  color: var(--muted);
  margin: 16px 0 28px;
}

/* ── RESPONSIVE ───────────────────────────────────────────── */
@media (max-width: 900px) {
  .pf-grid { grid-template-columns: 1fr 1fr; }
  .pf-card--featured { grid-column: span 2; }
}
@media (max-width: 600px) {
  .pf-grid { grid-template-columns: 1fr; }
  .pf-card--featured { grid-column: span 1; }
}