/* portfolio.css */

.port-header {
  background: var(--charcoal);
  padding: 9rem 4rem 5rem;
  overflow: hidden;
  position: relative;
}

.port-header-inner { position: relative; z-index: 1; }

.port-title {
  font-family: var(--font-display);
  color: var(--cream);
  line-height: 0.85;
  letter-spacing: -0.04em;
  margin: 0.5rem 0 2rem;
}

.port-title span {
  display: block;
  font-size: clamp(4rem, 13vw, 11rem);
  font-style: normal;
}

.port-title-italic {
  font-style: italic !important;
  color: var(--gold) !important;
}

.port-header-tape {
  font-family: var(--font-body);
  font-style: italic;
  font-size: 1rem;
  color: rgba(245,240,232,0.35);
  letter-spacing: 0.05em;
  white-space: nowrap;
  overflow: hidden;
}

/* Filter bar */
.port-filter {
  background: var(--off-white);
  border-bottom: 1px solid rgba(45,58,46,0.15);
  padding: 1.2rem 4rem;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.filter-btn {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1.5px solid rgba(45,58,46,0.25);
  background: transparent;
  color: var(--charcoal);
  padding: 0.45rem 1.1rem;
  cursor: pointer;
  transition: all 0.2s;
}

.filter-btn:hover, .filter-btn.active {
  background: var(--olive);
  color: var(--cream);
  border-color: var(--olive);
}

/* Mosaic grid */
.port-mosaic {
  background: var(--off-white);
  padding: 3rem 4rem 5rem;
}

.mosaic-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  grid-auto-rows: 220px;
  gap: 10px;
  max-width: 1200px;
  margin: 0 auto;
}

.mosaic-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: opacity 0.35s ease;
}

.mosaic-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0);
  transition: background 0.3s;
}

.mosaic-item:hover::after {
  background: rgba(0,0,0,0.15);
}

.mosaic-tall { grid-row: span 2; }
.mosaic-wide { grid-column: span 2; }

.mosaic-label {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  z-index: 2;
  color: var(--cream);
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  opacity: 0;
  transform: translateY(8px);
  transition: all 0.3s ease;
}

.mosaic-item:hover .mosaic-label {
  opacity: 1;
  transform: translateY(0);
}

.mosaic-cat {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border: 1px solid rgba(255,255,255,0.5);
  padding: 0.2rem 0.5rem;
  display: inline-block;
  width: fit-content;
}

.mosaic-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
}

.page-cta {
  padding: 6rem 4rem;
  text-align: center;
}

.page-cta h2 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 5rem);
  color: var(--charcoal);
  margin-bottom: 2rem;
}

.page-cta h2 em { color: var(--rust); font-style: italic; }

@media (max-width: 768px) {
  .port-header { padding: 8rem 1.5rem 3rem; }
  .port-filter { padding: 1rem 1.5rem; }
  .port-mosaic { padding: 2rem 1.5rem; }
  .mosaic-grid {
    grid-template-columns: 1fr 1fr;
    grid-auto-rows: 180px;
  }
  .mosaic-tall { grid-row: span 1; }
  .mosaic-wide { grid-column: span 2; }
  .mosaic-label { opacity: 1; transform: none; }
  .page-cta { padding: 4rem 1.5rem; }
}