/* ---------- Project detail page ---------- */
.detail-hero {
  padding: 60px 0 40px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink-muted);
  margin-bottom: 28px;
  transition: color 0.18s ease;
}

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

.detail-meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.detail-title {
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.07;
  margin-bottom: 20px;
  color: var(--ink);
}

.detail-lead {
  font-size: 1.15rem;
  color: var(--ink-muted);
  max-width: 64ch;
  line-height: 1.7;
}

/* Hero image */
.detail-hero-img {
  padding: 0 0 72px;
}

.detail-hero-img img {
  width: 100%;
  max-height: 560px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
}

/* Layout */
/* Stats band */
.detail-stats {
  background: var(--bg-soft);
  border-block: 1px solid var(--line);
  padding: 44px 0;
  margin-bottom: 72px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-num {
  display: block;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--accent);
  margin-bottom: 8px;
}

.stat-desc {
  font-size: 0.9rem;
  color: var(--ink-muted);
  line-height: 1.5;
}

@media (max-width: 640px) {
  .stats-grid { grid-template-columns: 1fr; gap: 24px; }
}

.detail-content {
  padding-bottom: 100px;
}

.detail-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 64px;
  align-items: start;
}

/* Body */
.detail-section {
  margin-bottom: 56px;
}

.detail-section h2 {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.detail-section p {
  font-size: 1.05rem;
  color: var(--ink-muted);
  line-height: 1.75;
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.feature-list li {
  font-size: 1rem;
  color: var(--ink-muted);
  line-height: 1.7;
  padding-left: 16px;
  border-left: 2px solid var(--accent);
}

.feat-title {
  display: block;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 4px;
}

/* Screenshots */
.screenshot-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.screenshot-grid img {
  height: auto;
  max-height: 480px;
  width: auto;
  max-width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  cursor: zoom-in;
  transition: opacity 0.15s ease;
}

.screenshot-grid img:hover {
  opacity: 0.85;
}

/* Lightbox */
.lightbox-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.82);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
}

.lightbox-overlay.open {
  display: flex;
}

.lightbox-overlay img {
  max-width: 90vw;
  max-height: 90vh;
  width: auto;
  height: auto;
  border-radius: var(--radius);
  box-shadow: 0 24px 80px rgba(0,0,0,0.5);
}

/* Sidebar */
.detail-sidebar {
  position: sticky;
  top: 108px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.sidebar-block {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-muted);
}

.sidebar-value {
  font-size: 0.97rem;
  font-weight: 600;
  color: var(--ink);
}

/* Responsive */
@media (max-width: 860px) {
  .detail-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .detail-sidebar {
    position: static;
    order: -1;
  }
}