/* ============================================================
   PROJECTS PAGE — projects.css
   ============================================================ */

.page-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 900;
  line-height: 1.05;
  margin-bottom: 1rem;
}
.page-title em { color: var(--gold); font-style: italic; }
.page-subtitle { font-size: 1rem; color: rgba(255,255,255,0.65); max-width: 500px; }

/* Filter */
.filter-section {
  background: var(--dark-2);
  border-bottom: 1px solid var(--dark-border);
  padding: 1.5rem 0;
  position: sticky;
  top: 5rem;
  z-index: 100;
}
.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.filter-btn {
  background: transparent;
  border: 1px solid var(--dark-border-2);
  color: var(--text-dim);
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.6rem 1.4rem;
  cursor: pointer;
  transition: all 0.2s;
}
.filter-btn:hover { border-color: var(--gold-border); color: var(--white); }
.filter-btn.active { background: var(--gold); border-color: var(--gold); color: #000; }

/* Projects Grid */
.projects-section { padding: 5rem 0 7rem; background: var(--dark); }

.proj-masonry {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 280px;
  gap: 1.25rem;
}
.pm-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  grid-row: span 1;
  transition: opacity 0.4s;
}
.pm-lg  { grid-column: span 2; }
.pm-tall { grid-row: span 2; }

.pm-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
  display: block;
}
.pm-card:hover img { transform: scale(1.07); }

.pm-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(0,0,0,0.88) 0%, rgba(0,0,0,0.1) 50%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.75rem;
  transition: background 0.3s;
}
.pm-card:hover .pm-overlay {
  background: linear-gradient(0deg, rgba(0,0,0,0.92) 0%, rgba(0,0,0,0.3) 60%, rgba(0,0,0,0.05) 100%);
}

.pm-tag {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.4rem;
}
.pm-overlay h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.3rem;
}
.pm-overlay p { font-size: 0.78rem; color: rgba(255,255,255,0.55); }
.pm-arrow {
  position: absolute;
  top: 1.5rem; right: 1.5rem;
  width: 36px; height: 36px;
  background: var(--gold);
  color: #000;
  font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s, transform 0.3s;
}
.pm-card:hover .pm-arrow { opacity: 1; transform: translateY(0); }

/* hidden cards during filter */
.pm-card.hidden {
  display: none;
}

@media (max-width: 900px) {
  .proj-masonry { grid-template-columns: 1fr 1fr; grid-auto-rows: 240px; }
  .pm-lg  { grid-column: span 2; }
  .pm-tall { grid-row: span 1; }
}
@media (max-width: 600px) {
  .proj-masonry { grid-template-columns: 1fr; grid-auto-rows: 260px; }
  .pm-lg  { grid-column: span 1; }
}