/* ── Shared styles for all project detail pages ── */

/* Inherits :root variables from style.css — link both in every project page */

/* ── Back Nav ── */
.project-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 1.25rem var(--pad);
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 100%;
}
.back-link {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color 0.2s;
}
.back-link::before { content: '← '; }
.back-link:hover { color: var(--text); }
.project-nav-name {
  font-size: 14px;
  font-weight: 400;
}

/* ── Hero ── */
.project-hero {
  width: 100%;
  aspect-ratio: 5 / 2;
  overflow: hidden;
}
.project-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center bottom;
  display: block;
}

/* ── Project Header ── */
.project-header {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3.5rem var(--pad) 2.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  border-bottom: 1px solid var(--border);
}
.project-header h1 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.2;
}
.project-header-meta {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding-top: 0.25rem;
}
.meta-row {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.meta-label {
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.meta-value {
  font-size: 14px;
  line-height: 1.5;
}

/* ── Content Body ── */
.project-body {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 4rem var(--pad);
}

/* ── Section ── */
.project-section {
  margin-bottom: 5rem;
}
.section-label {
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}
.section-text {
  font-size: 15px;
  line-height: 1.8;
  max-width: 680px;
  color: var(--text);
}
.section-text p + p { margin-top: 1em; }

/* ── Image Grid ── */
.img-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 2rem;
}
.img-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}
.img-full {
  width: 100%;
  margin-top: 2rem;
}
.img-grid-2 img,
.img-grid-3 img,
.img-full img {
  width: 100%;
  display: block;
}
.img-caption {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.04em;
  margin-top: 0.5rem;
}

/* ── GIF / Video ── */
.gif-wrap {
  margin-top: 2rem;
  width: 100%;
}
.gif-wrap img,
.gif-wrap video {
  width: 100%;
  display: block;
}

/* ── Prototype photo grid (transparent-bg images) ── */
.proto-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 2rem;
  align-items: end;
}
.proto-grid img {
  width: 100%;
  display: block;
}
.proto-grid .img-caption { margin-top: 0.5rem; }

/* ── Map iframe embed ── */
.map-embed-wrap {
  margin-top: 2rem;
  width: 100%;
  border: 1px solid var(--border);
}
.map-embed-wrap iframe {
  width: 100%;
  height: 560px;
  display: block;
  border: none;
}
.map-embed-wrap .img-caption {
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--border);
}

/* ── Content placeholder ── */
.placeholder {
  width: 100%;
  aspect-ratio: 16 / 7;
  margin-top: 2rem;
  background: #ede9e2;
  border: 1px dashed #c8c2ba;
  display: flex;
  align-items: center;
  justify-content: center;
}
.placeholder span {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #a09890;
  text-align: center;
  padding: 0 2rem;
}
/* Smaller placeholder inside grid cells */
.img-grid-2 .placeholder,
.img-grid-3 .placeholder {
  aspect-ratio: 4 / 3;
  margin-top: 0;
}

@media (max-width: 768px) {
  .proto-grid { grid-template-columns: 1fr; }
  .map-embed-wrap iframe { height: 420px; }
}

/* ── PDF Viewer (canvas-rendered, no browser UI) ── */
.pdf-viewer {
  width: 100%;
  margin-top: 2.5rem;
}
.pdf-viewer canvas {
  width: 100%;
  display: block;
  margin-bottom: 3px;
}
.pdf-viewer canvas:last-child { margin-bottom: 0; }

/* ── PDF Pending placeholder ── */
.pdf-wrap.pdf-pending {
  height: 12rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  margin-top: 2.5rem;
}
.pdf-wrap.pdf-pending p {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ── PDF Pending ── */
.pdf-wrap.pdf-pending {
  height: 12rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
}
.pdf-wrap.pdf-pending p {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ── Tags ── */
.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}
.tag {
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid var(--border);
  padding: 0.3rem 0.75rem;
  color: var(--muted);
}

/* ── Next Project ── */
.next-project {
  border-top: 1px solid var(--border);
  padding: 2.5rem var(--pad);
  max-width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.next-label {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.next-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin-top: 0.25rem;
  transition: opacity 0.2s;
}
.next-project:hover .next-title { opacity: 0.5; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .project-header { grid-template-columns: 1fr; gap: 1.5rem; }
  .img-grid-2, .img-grid-3 { grid-template-columns: 1fr; }
}