/* ===============================================================
   PROJECT DETAIL PAGE STYLES
   Extends the existing design tokens (--cream, --rose, --lavender,
   --sage, --ink, DM Serif Display / DM Sans / DM Mono) already
   defined in css/style.css. No new color palette, no new animation
   system — this reuses page.reveal / ph-title / card / media-*
   patterns already in place.
   =============================================================== */

/* ---- "View Full Project" button on each project card ---- */
.view-project-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  width: 100%;
  justify-content: center;
  margin-top: 0.7rem;
  background: var(--ink);
  color: var(--white);
  border: none;
  cursor: pointer;
  padding: 0.62rem 1rem;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: 100px;
  transition: background 0.2s, transform 0.15s, letter-spacing 0.2s;
}
.view-project-btn:hover { background: var(--rose); transform: translateY(-1px); }
.view-project-btn .vpb-arrow { transition: transform 0.2s; display: inline-block; }
.view-project-btn:hover .vpb-arrow { transform: translateX(3px); }

/* ---- Back button ---- */
.pd-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: none;
  border: 1.5px solid var(--cream3);
  color: var(--ink-mid);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 0.45rem 1rem;
  border-radius: 100px;
  cursor: pointer;
  margin-bottom: 1.4rem;
  transition: border-color 0.2s, color 0.2s, transform 0.15s;
}
.pd-back-btn:hover { border-color: var(--rose-mid); color: var(--rose); transform: translateX(-2px); }
.pd-back-arrow { display: inline-block; }

.pd-award-pill { background: var(--rose-light); color: var(--rose); font-weight: 700; }

/* ---- Gallery (hero media carousel for the project) ---- */
.pd-gallery {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--rule);
  background: var(--cream2);
  margin-bottom: 2.6rem;
  box-shadow: 0 16px 44px rgba(60,45,40,0.08);
}
.pd-gallery .media-slide { aspect-ratio: 16/9; }
.pd-gallery .media-nav { width: 40px; height: 40px; font-size: 17px; }
.pd-gallery .media-count { font-size: 0.7rem; padding: 3px 9px; }

/* ---- Two-column layout: main content + sidebar ---- */
.pd-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 3.2rem;
  align-items: start;
}
.pd-main { min-width: 0; }
.pd-section { margin-bottom: 2.8rem; }
.pd-section:last-child { margin-bottom: 0; }
.pd-section-title { font-family: 'DM Serif Display', serif; font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 400; color: var(--ink); margin-bottom: 1.1rem; line-height: 1.15; }
.pd-section-title em { font-style: italic; color: var(--rose); }
.pd-overview { color: var(--ink-mid); font-size: 0.96rem; line-height: 1.85; }

/* ---- Gallery grid (added: click-to-enlarge photo grid, reference-style) ---- */
.pd-gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.8rem;
  margin-top: 0.2rem;
}
.pd-gallery-item {
  border-radius: 10px;
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--cream2);
  cursor: pointer;
  transition: transform 0.22s, box-shadow 0.22s;
}
.pd-gallery-item:hover { transform: scale(1.03); box-shadow: 0 8px 24px rgba(0,0,0,0.12); }
.pd-gallery-item img { width: 100%; height: 100%; object-fit: cover; display: block; }
.pd-gallery-item.wide { grid-column: span 2; aspect-ratio: 16/9; }

/* ---- Key Feature cards (reference-style: icon + name + description) ---- */
.pd-feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(195px, 1fr));
  gap: 0.8rem;
}
.pd-feature-card {
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: 12px;
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  transition: border-color 0.2s, transform 0.2s;
}
.pd-feature-card:hover { border-color: var(--rose-mid); transform: translateY(-2px); }
.pd-feature-icon { font-size: 1.4rem; }
.pd-feature-name { font-weight: 700; font-size: 0.84rem; color: var(--ink); }
.pd-feature-desc { font-size: 0.78rem; color: var(--ink-mid); line-height: 1.5; }

.pd-process-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}
/* .pd-feature-list li {
  position: relative;
  padding-left: 2rem;
  font-size: 0.9rem;
  color: var(--ink-mid);
  line-height: 1.7;
}
.pd-feature-list li::before {
  content: '✦';
  position: absolute;
  left: 0;
  top: 0.05em;
  color: var(--rose);
  font-size: 0.85rem;
} */

.pd-process-list { counter-reset: pd-step; }
.pd-process-list li {
  position: relative;
  padding-left: 2.6rem;
  font-size: 0.9rem;
  color: var(--ink-mid);
  line-height: 1.7;
  min-height: 1.6rem;
}
.pd-process-list li::before {
  counter-increment: pd-step;
  content: counter(pd-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--lavender);
  background: var(--lavender-light);
  width: 1.9rem;
  height: 1.9rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---- Sidebar ---- */
.pd-sidebar { display: flex; flex-direction: column; gap: 1.2rem; position: sticky; top: 1.5rem; }
.pd-sidebar-card {
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: var(--r);
  padding: 1.4rem 1.5rem;
}
.pd-sidebar-card h4 {
  font-family: 'DM Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--rose);
  margin-bottom: 0.9rem;
}
.pd-tech-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }

.pd-facts { list-style: none; display: flex; flex-direction: column; gap: 0.65rem; }
.pd-facts li { display: flex; flex-direction: column; gap: 0.1rem; font-size: 0.85rem; padding-bottom: 0.65rem; border-bottom: 1px solid var(--rule); }
.pd-facts li:last-child { border-bottom: none; padding-bottom: 0; }
.pd-fact-label { font-family: 'DM Mono', monospace; font-size: 0.63rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-light); }
.pd-fact-value { color: var(--ink); font-weight: 500; }

.pd-files { display: flex; flex-direction: column; gap: 0.5rem; }
.pd-file-link {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.83rem; color: var(--ink-mid); text-decoration: none;
  padding: 0.5rem 0.7rem; background: var(--cream2); border-radius: 8px;
  transition: background 0.2s, color 0.2s;
}
.pd-file-link:hover { background: var(--rose-light); color: var(--rose); }

.pd-cta-card { background: var(--rose-bg); border-color: var(--rose-light); }
.pd-cta-card p { font-size: 0.82rem; color: var(--ink-mid); margin: 0.4rem 0 1rem; line-height: 1.6; }
.pd-cta-card .btn-primary { width: 100%; justify-content: center; padding: 0.6rem 1rem; font-size: 0.82rem; }

/* ---- Related projects ---- */
.pd-related { margin-top: 4.5rem; padding-top: 2.8rem; border-top: 1px solid var(--rule); }
.pd-related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
  margin-top: 1.8rem;
}
.pd-related-card {
  display: flex;
  flex-direction: column;
  text-align: left;
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: var(--r);
  overflow: hidden;
  cursor: pointer;
  padding: 0;
  font-family: 'DM Sans', sans-serif;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.pd-related-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 34px rgba(60,45,40,0.10);
  border-color: var(--rose-mid);
}
.pd-related-media { width: 100%; aspect-ratio: 16/10; background: var(--cream2); overflow: hidden; }
.pd-related-media img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.4s; }
.pd-related-card:hover .pd-related-media img { transform: scale(1.06); }
.pd-related-thumb-fallback { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; font-size: 1.8rem; }
.pd-related-body { padding: 1rem 1.1rem 1.2rem; display: flex; flex-direction: column; gap: 0.5rem; }
.pd-related-body h4 { font-family: 'DM Serif Display', serif; font-weight: 400; font-size: 1.05rem; color: var(--ink); line-height: 1.3; }
.pd-related-cta { font-size: 0.76rem; font-weight: 600; color: var(--rose); letter-spacing: 0.02em; }

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .pd-grid { grid-template-columns: 1fr; }
  .pd-sidebar { position: static; }
  .pd-related-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .pd-gallery .media-slide { aspect-ratio: 4/3; }
  .pd-gallery-grid { grid-template-columns: 1fr 1fr; }
  .pd-feature-grid { grid-template-columns: 1fr 1fr; }
  .pd-gallery-item.wide { grid-column: span 2; }
}