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

/* Hero */
.proj-hero {
  min-height: calc(107.5vh - var(--navh));
  padding: calc(var(--navh) + 60px) var(--pad) 80px;
  background: transparent;
  border-bottom: 1px solid var(--line);
  max-width: 100%;
  transition: border-color 0.45s;
}

.ph-back { margin-bottom: 40px; }
.ph-back-link {
  font-size: 12px; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--fg3);
  transition: color 0.2s;
  display: inline-flex; align-items: center; gap: 6px;
}
.ph-back-link:hover { color: var(--fg); }

.ph-eyebrow {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 16px;
}
.ph-year {
  font-family: var(--fh); font-size: 20px;
  color: var(--fg3); transition: color 0.45s;
}

.ph-title {
  font-family: var(--fh);
  font-size: clamp(72px, 11vw, 160px);
  line-height: 0.88; text-transform: uppercase;
  letter-spacing: -0.02em;
  color: var(--fg); margin-bottom: 48px;
  transition: color 0.45s;
  animation: fadeUp 0.85s var(--ease-o) 0.1s both;
}

.ph-intro {
  display: grid; grid-template-columns: 1fr 380px;
  gap: 80px; align-items: start;
  max-width: var(--max);
}

.ph-summary p {
  font-size: 17px; line-height: 1.8;
  color: var(--fg2); max-width: 750px; margin-bottom: 20px;
  transition: color 0.45s;
}

.ph-meta { display: flex; flex-direction: column; gap: 0; }
.ph-meta-item {
  display: flex; align-items: baseline;
  padding: 14px 0; border-bottom: 1px solid var(--line);
  gap: 20px; transition: border-color 0.45s;
}
.ph-meta-item:last-child { border-bottom: none; }
.pm-label {
  font-size: 10px; font-weight: 700;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--fg3); min-width: 90px; transition: color 0.45s;
}
.pm-val {
  font-size: 14px; font-weight: 500; color: var(--fg);
  transition: color 0.45s;
}

/* Gallery */
.proj-gallery {
  background: var(--bg2);
  transition: background 0.45s;
}

.pg-full, .pg-half, .pg-third, .pg-caption {
  padding: 4px var(--pad);
  max-width: 100%;
}
.pg-full { padding: 4px 0; }
.pg-full .pg-img { width: 100%; display: block; height: auto; object-fit: unset; }

.pg-half {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 4px; padding: 4px;
}
.pg-third {
  display: grid; grid-template-columns: 1fr 1fr 1fr;
  gap: 4px; padding: 4px;
}
.pg-img {
  width: 100%; display: block;
  height: auto;
  transition: transform 0.5s var(--ease-o);
}
.pg-img:hover { transform: scale(1.015); }
.pg-half .pg-img, .pg-third .pg-img { width: 100%; height: auto; object-fit: unset; aspect-ratio: unset; }

.pg-caption {
  display: flex; gap: 32px; align-items: flex-start;
  padding: 40px var(--pad);
}
.pgc-num {
  font-family: var(--fh); font-size: 64px;
  line-height: 1; color: var(--line2);
  flex-shrink: 0; transition: color 0.45s;
}
.pgc-text {
  font-size: 16px; line-height: 1.8;
  color: var(--fg2); max-width: 560px;
  padding-top: 8px; transition: color 0.45s;
}

/* Project navigation */
.proj-nav {
  display: flex; justify-content: space-between; align-items: center;
  padding: 60px var(--pad);
  background: var(--bg);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: background 0.45s, border-color 0.45s;
}
.pn-prev, .pn-next {
  display: flex; flex-direction: column; gap: 4px;
  text-decoration: none;
}
.pn-dir {
  font-size: 10px; font-weight: 700;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--fg3); transition: color 0.2s;
}
.pn-name {
  font-family: var(--fh);
  font-size: clamp(24px, 3vw, 40px);
  text-transform: uppercase; color: var(--fg);
  transition: color 0.2s;
}
.pn-prev:hover .pn-name, .pn-next:hover .pn-name { color: var(--blue); }
.pn-next { text-align: right; }
.pn-all {
  font-family: var(--fb); font-size: 12px; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--fg2); border-bottom: 1px solid var(--line);
  padding-bottom: 3px; transition: color 0.2s, border-color 0.2s;
}
.pn-all:hover { color: var(--fg); border-color: var(--fg); }

@keyframes fadeUp { from{opacity:0;transform:translateY(30px)} to{opacity:1;transform:translateY(0)} }

@media (max-width: 900px) {
  .ph-intro { grid-template-columns: 1fr; gap: 40px; }
  .pg-half { grid-template-columns: 1fr; }
  .pg-third { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .proj-nav { flex-direction: column; gap: 32px; text-align: center; }
  .pn-next { text-align: center; }
  .pg-third { grid-template-columns: 1fr; }
}

.pg-video { width: 100%; height: auto; display: block; }