/* ============================================
   PROJECT DETAIL PAGE
   ============================================ */

/* ── Back Link ── */
.project-back {
  padding: clamp(24px, 4vw, 48px) 0 0;
}

.project-back a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
  transition: color 0.3s var(--ease);
}

.project-back a:hover { color: var(--gold); }

.project-back a .arrow { font-size: 1.1rem; }

/* ── Hero ── */
.project-hero {
  padding: clamp(48px, 8vw, 120px) 0 clamp(40px, 6vw, 80px);
}

.project-hero-inner {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: clamp(40px, 6vw, 80px);
  align-items: start;
}

.project-hero-img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  border-radius: 4px;
  background: var(--bg);
  mix-blend-mode: multiply;
}

.project-hero-meta {
  position: sticky;
  top: 100px;
}

.project-eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}

.project-h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.project-h1 em {
  font-style: normal;
  color: var(--gold-soft);
}

.project-subtitle {
  font-size: 1rem;
  color: var(--fg-muted);
  margin-bottom: 32px;
}

.project-divider {
  width: 40px;
  height: 1px;
  background: var(--hairline-strong);
  margin-bottom: 24px;
}

.project-description {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--fg-muted);
  margin-bottom: 32px;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}

.project-tag {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 5px 12px;
  border: 1px solid var(--hairline-strong);
  border-radius: 2px;
  color: var(--fg-dim);
}

.project-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.project-actions .btn {
  text-align: center;
  justify-content: center;
}

/* ── Gallery ── */
.project-gallery {
  padding: 0 0 clamp(80px, 12vw, 160px);
}

.project-gallery-title {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-bottom: 24px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 12px;
}

.gallery-grid .g-item {
  aspect-ratio: 16/10;
  overflow: hidden;
  border-radius: 3px;
  background: var(--bg);
  cursor: pointer;
}

.gallery-grid .g-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  mix-blend-mode: multiply;
  transition: transform 0.6s var(--ease);
}

.gallery-grid .g-item:hover img { transform: scale(1.05); }

/* layout variants */
.gallery-grid .g-col-8  { grid-column: span 8; }
.gallery-grid .g-col-6  { grid-column: span 6; }
.gallery-grid .g-col-4  { grid-column: span 4; }
.gallery-grid .g-col-12 { grid-column: span 12; }

/* ── PDF / Links Section ── */
.project-links-section {
  padding: clamp(40px, 6vw, 80px) 0;
  border-top: 1px solid var(--hairline);
}

.project-links-section h4 {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-bottom: 20px;
}

.project-link-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}


/* ── Responsive ── */
@media (max-width: 960px) {
  .project-hero-inner {
    grid-template-columns: 1fr;
  }

  .project-hero-meta {
    position: static;
  }

  .project-actions {
    flex-direction: row;
    flex-wrap: wrap;
  }
}

@media (max-width: 600px) {
  .gallery-grid .g-col-8,
  .gallery-grid .g-col-6,
  .gallery-grid .g-col-4 {
    grid-column: span 12;
  }
}

/* ── Lightbox (inline) ── */
.lb-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 10, 0.96);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease);
}

.lb-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.lb-overlay img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: 2px;
}

.lb-overlay .lb-close-btn {
  position: absolute;
  top: 24px;
  right: 32px;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
  cursor: pointer;
  padding: 8px 16px;
  border: 1px solid var(--hairline);
  border-radius: 2px;
  background: none;
  transition: all 0.3s var(--ease);
}

.lb-overlay .lb-close-btn:hover { color: var(--fg); border-color: var(--hairline-strong); }

.lb-overlay .lb-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 2rem;
  color: var(--fg-muted);
  cursor: pointer;
  padding: 16px;
  background: none;
  border: none;
  transition: color 0.3s var(--ease);
}

.lb-overlay .lb-nav-btn:hover { color: var(--fg); }
.lb-overlay .lb-nav-btn.lb-p { left: 24px; }
.lb-overlay .lb-nav-btn.lb-n { right: 24px; }

.lb-overlay .lb-info {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--fg-muted);
}