/* ── Page Hero ── */
.page-hero {
  background: var(--navy);
  padding: 9rem 0 5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(84,119,146,0.15) 0%, transparent 60%);
}
.page-hero h1 { color: var(--white); position: relative; }
.page-hero p  {
  color: rgba(255,255,255,0.7);
  max-width: 520px;
  margin: 1.2rem auto 0;
  font-size: 1rem;
  font-weight: 300;
  position: relative;
}
.page-hero .section-label { color: var(--amber); position: relative; }
.page-hero .section-divider { background: var(--amber); margin: 1rem auto 0; }

/* ── Filter tabs ── */
.filter-bar {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 72px;
  z-index: 50;
}
.filter-inner {
  display: flex;
  gap: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.filter-btn {
  flex-shrink: 0;
  padding: 1rem 1.5rem;
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel);
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
  white-space: nowrap;
}
.filter-btn:hover { color: var(--navy); }
.filter-btn.active { color: var(--navy); border-bottom-color: var(--amber); }

/* ── Projects grid ── */
.projects-section { padding: 5rem 0 7rem; }
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
}

.project-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 2px;
  overflow: hidden;
  transition: box-shadow 0.3s, transform 0.3s;
  cursor: pointer;
}
.project-card:hover {
  box-shadow: 0 12px 40px rgba(26,50,99,0.12);
  transform: translateY(-3px);
}
.project-card.hidden { display: none; }

.project-img {
  aspect-ratio: 4/3;
  overflow: hidden;
  position: relative;
}
.project-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.project-card:hover .project-img img { transform: scale(1.05); }
.project-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26,50,99,0.7) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.3s;
  display: flex;
  align-items: flex-end;
  padding: 1.2rem;
}
.project-card:hover .project-img-overlay { opacity: 1; }
.project-img-overlay span {
  color: white;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.project-info { padding: 1.5rem; }
.project-tag {
  display: inline-block;
  background: var(--cream);
  color: var(--steel);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.25rem 0.7rem;
  border-radius: 2px;
  margin-bottom: 0.8rem;
}
.project-info h3 { font-size: 1.1rem; color: var(--charcoal); margin-bottom: 0.5rem; }
.project-info p  { font-size: 0.88rem; color: var(--muted); line-height: 1.6; }
.project-card-bar {
  width: 32px; height: 3px;
  background: var(--gold);
  margin-bottom: 0.8rem;
}

/* Large featured card */
.project-card.featured {
  grid-column: span 2;
}
.project-card.featured .project-img { aspect-ratio: 16/9; }

/* ── Lightbox ── */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(26,26,24,0.92);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
.lightbox.open { display: flex; }
.lightbox-inner {
  max-width: 900px;
  width: 100%;
  position: relative;
}
.lightbox-inner img {
  width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: 2px;
}
.lightbox-close {
  position: absolute;
  top: -2.5rem;
  right: 0;
  background: none;
  border: none;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  font-family: var(--font-body);
  letter-spacing: 0.1em;
  opacity: 0.7;
  transition: opacity 0.2s;
}
.lightbox-close:hover { opacity: 1; }
.lightbox-caption {
  margin-top: 1rem;
  text-align: center;
  color: rgba(255,255,255,0.6);
  font-size: 0.88rem;
  font-weight: 300;
}

/* ── CTA strip ── */
.cta-strip {
  background: var(--navy);
  padding: 5rem 0;
  text-align: center;
}
.cta-strip h2 { color: var(--white); margin-bottom: 1rem; }
.cta-strip p  { color: rgba(255,255,255,0.7); max-width: 480px; margin: 0 auto 2.5rem; }
.cta-strip .section-label { color: var(--amber); }

/* ── Responsive: projects-specific ── */
@media (max-width: 1024px) {
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .project-card.featured { grid-column: span 2; }
}
@media (max-width: 768px) {
  .projects-grid { grid-template-columns: 1fr; }
  .project-card.featured { grid-column: span 1; }
}