/* ═══════════════════════════════════════════════════════════
   PROJECT DETAIL PAGE
   ═══════════════════════════════════════════════════════════ */

/* ─── Back Link ─── */
.pj-detail__back {
  padding: 120px 0 0;
}

.pj-detail__back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-2);
  text-decoration: none;
  transition: color 0.3s;
}

.pj-detail__back-link:hover {
  color: var(--color-accent);
}

.pj-detail__back-link i {
  font-size: 16px;
  transition: transform 0.3s;
}

.pj-detail__back-link:hover i {
  transform: translateX(-4px);
}

/* ─── Hero Image ─── */
.pj-detail__hero {
  padding: 40px 0;
}

.pj-detail__image-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 21 / 9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
}

.pj-detail__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.pj-detail__image-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 72px;
  color: var(--color-accent);
  opacity: 0.2;
  background: linear-gradient(135deg, var(--color-surface-2), rgba(185, 218, 255, 0.05));
}

/* ─── Info Grid ─── */
.pj-detail__info {
  padding: 0 0 80px;
}

.pj-detail__grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 48px;
  align-items: start;
}

/* ─── Main Content ─── */
.pj-detail__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.pj-detail__tag {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  color: var(--color-accent);
  background: var(--color-accent-dim);
}

.pj-detail__tag--design {
  color: #c084fc;
  background: rgba(192, 132, 252, 0.1);
}

.pj-detail__dot {
  color: var(--color-text-3);
  font-size: 0.8rem;
}

.pj-detail__year,
.pj-detail__status {
  font-size: 0.8rem;
  color: var(--color-text-3);
}

.pj-detail__title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 20px;
}

.pj-detail__desc {
  font-size: 1rem;
  color: var(--color-text-2);
  line-height: 1.8;
  margin-bottom: 32px;
}

.pj-detail__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ─── Sidebar ─── */
.pj-detail__sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: sticky;
  top: 100px;
}

.pj-detail__sidebar-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.pj-detail__sidebar-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 16px;
}

.pj-detail__sidebar-title i {
  font-size: 18px;
  color: var(--color-accent);
}

.pj-detail__sidebar-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.pj-detail__sidebar-tags span {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--color-text-2);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  padding: 5px 14px;
  border-radius: var(--radius-full);
  transition: border-color 0.3s, color 0.3s;
}

.pj-detail__sidebar-tags span:hover {
  border-color: var(--color-border-2);
  color: var(--color-white);
}

.pj-detail__sidebar-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pj-detail__sidebar-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.82rem;
  color: var(--color-text-2);
  line-height: 1.5;
}

.pj-detail__sidebar-list li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
  margin-top: 6px;
}

.pj-detail__sidebar-info {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pj-detail__sidebar-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.pj-detail__sidebar-label {
  font-size: 0.78rem;
  color: var(--color-text-3);
}

.pj-detail__sidebar-value {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-white);
}

/* ─── Gallery ─── */
.pj-detail__gallery {
  padding: 0 0 80px;
}

.pj-detail__section-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 28px;
}

.pj-detail__gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}

.pj-detail__gallery-item {
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
}

.pj-detail__gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ─── Prev / Next Nav ─── */
.pj-detail__nav {
  padding: 0 0 100px;
}

.pj-detail__nav-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.pj-detail__nav-link {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: border-color 0.3s, background 0.3s;
}

.pj-detail__nav-link:hover {
  border-color: var(--color-border-2);
  background: rgba(255, 255, 255, 0.03);
}

.pj-detail__nav-link--next {
  text-align: right;
  justify-content: flex-end;
}

.pj-detail__nav-link i {
  font-size: 20px;
  color: var(--color-accent);
  flex-shrink: 0;
}

.pj-detail__nav-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--color-text-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}

.pj-detail__nav-name {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-white);
}

/* ═══ Responsive ═══ */
@media (max-width: 900px) {
  .pj-detail__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .pj-detail__sidebar {
    position: static;
  }

  .pj-detail__image-wrap {
    aspect-ratio: 16 / 9;
  }

  .pj-detail__nav-inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .pj-detail__back {
    padding: 100px 0 0;
  }

  .pj-detail__hero {
    padding: 24px 0;
  }

  .pj-detail__title {
    font-size: 1.8rem;
  }

  .pj-detail__actions {
    flex-direction: column;
  }

  .pj-detail__actions .pj-btn {
    justify-content: center;
  }

  .pj-detail__gallery-grid {
    grid-template-columns: 1fr;
  }
}