/* ═══════════════════════════════════════════════════════════════
   PROJECT PAGE — project.css
   ═══════════════════════════════════════════════════════════════ */

/* ── HEADER ──────────────────────────────────────────────────── */
.project-header {
  padding: 7rem 2.5rem 0;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 4rem;
  border-bottom: 1px solid var(--color-line);
}

.back-link {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 2rem;
  transition: color var(--transition), gap var(--transition);
}

.back-link:hover { color: var(--color-accent); gap: 0.7rem; }

.project-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
  display: block;
}

.project-h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.project-h1 em { font-style: italic; color: var(--color-accent); }

.project-intro {
  font-size: 1.1rem;
  line-height: 1.75;
  color: var(--color-ink-light);
  max-width: 52ch;
  margin-bottom: 2.5rem;
}

.project-tags-row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  padding-bottom: 2.5rem;
}

.project-meta-sidebar {
  padding-top: 3.5rem;
  padding-bottom: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.meta-label {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  margin-bottom: 0.35rem;
}

.meta-value { font-size: 0.95rem; color: var(--color-ink-light); line-height: 1.5; }

/* ── OUTCOMES BAR ────────────────────────────────────────────── */
.outcomes-bar {
  background: var(--color-paper);
  border-bottom: 1px solid var(--color-line);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.outcome-stat {
  padding: 2rem 2.5rem;
  border-right: 1px solid var(--color-line);
}

.outcome-stat:last-child { border-right: none; }

.outcome-num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 300;
  color: var(--color-ink);
  line-height: 1;
  margin-bottom: 0.3rem;
}

.outcome-label {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

/* ── HERO IMAGE ──────────────────────────────────────────────── */
.hero-image {
  width: 100%;
  border-bottom: 1px solid var(--color-line);
  background: var(--color-paper);
}

.hero-image img { width: 100%; height: auto; display: block; }

.hero-image-placeholder {
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--color-ink-muted);
  letter-spacing: 0.1em;
}

/* ── CONTENT LAYOUT ──────────────────────────────────────────── */
.project-content {
  display: grid;
  grid-template-columns: 220px 1fr;
  border-bottom: 1px solid var(--color-line);
}

.content-nav {
  border-right: 1px solid var(--color-line);
  padding: 1.5rem 1.5rem 3rem 2.5rem;
  position: sticky;
  top: var(--nav-height);
  height: calc(100vh - var(--nav-height));
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.content-nav-title { display: none; }

.content-nav ul { list-style: none; display: flex; flex-direction: column; }

.content-nav ul a {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  text-decoration: none;
  display: block;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--color-line);
  transition: color var(--transition);
  text-align: left;
}

.content-nav ul a:hover { color: var(--color-accent); }

.project-body {
  padding: 1.5rem 2.5rem 4rem;
  max-width: 820px;
}

/* ── CONTENT BLOCKS ──────────────────────────────────────────── */
.content-block { margin-bottom: 4rem; }
.content-block:last-child { margin-bottom: 0; }

.block-label {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
  display: block;
}

.block-h2 {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 300;
  line-height: 1.2;
  margin-bottom: 1.25rem;
}

.block-body { font-size: 1rem; line-height: 1.85; color: var(--color-ink-light); }
.block-body p { margin-bottom: 1rem; }
.block-body p:last-child { margin-bottom: 0; }

/* ── PULL QUOTE ──────────────────────────────────────────────── */
.pull-quote {
  margin: 2.5rem 0;
  padding: 1.75rem 2rem;
  border-left: 2px solid var(--color-accent);
  background: var(--color-surface);
}

.pull-quote p {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-style: italic;
  line-height: 1.5;
  color: var(--color-ink);
  margin: 0;
}

.pull-quote cite {
  display: block;
  margin-top: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  font-style: normal;
}

/* ── MEDIA BLOCKS ────────────────────────────────────────────── */
.media-full { width: 100%; margin: 2.5rem 0; background: var(--color-paper); overflow: hidden; }
.media-full img { width: 100%; display: block; height: auto; }
.media-full-placeholder { width: 100%; min-height: 400px; display: flex; align-items: center; justify-content: center; font-family: var(--font-mono); font-size: 0.6rem; color: var(--color-ink-muted); letter-spacing: 0.1em; }

.media-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin: 2.5rem 0; }
.media-2col-item { background: var(--color-paper); overflow: hidden; }
.media-2col-item img { width: 100%; height: auto; display: block; }
.media-2col-placeholder { width: 100%; aspect-ratio: 4/3; display: flex; align-items: center; justify-content: center; font-family: var(--font-mono); font-size: 0.6rem; color: var(--color-ink-muted); }

.media-3col { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.75rem; margin: 2.5rem 0; }
.media-3col-item { background: var(--color-paper); overflow: hidden; }
.media-3col-item img { width: 100%; height: auto; display: block; }

.media-video { margin: 2.5rem 0; position: relative; width: 100%; aspect-ratio: 16/9; background: var(--color-ink); overflow: hidden; }
.media-video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: none; }
.media-video-placeholder { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; font-family: var(--font-mono); font-size: 0.6rem; color: rgba(255,255,255,0.3); }

.media-split { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; margin: 2.5rem 0; align-items: center; }
.media-split.reverse { direction: rtl; }
.media-split.reverse > * { direction: ltr; }
.media-split-img { background: var(--color-paper); overflow: hidden; }
.media-split-img img { width: 100%; display: block; height: auto; }
.media-split-img-placeholder { width: 100%; aspect-ratio: 1; display: flex; align-items: center; justify-content: center; font-family: var(--font-mono); font-size: 0.6rem; color: var(--color-ink-muted); }
.media-split-text h3 { font-family: var(--font-display); font-size: 1.2rem; font-weight: 300; margin-bottom: 0.75rem; }
.media-split-text p { font-size: 0.95rem; line-height: 1.75; color: var(--color-ink-light); }

.media-caption { font-family: var(--font-mono); font-size: 0.58rem; letter-spacing: 0.06em; color: var(--color-ink-muted); margin-top: 0.6rem; text-align: center; }

/* ── PROCESS STEPS ───────────────────────────────────────────── */
.process-steps { display: flex; flex-direction: column; margin: 1.5rem 0; }

.process-step {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 1.25rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--color-line);
}

.process-step:last-child { border-bottom: none; }
.step-num { font-family: var(--font-mono); font-size: 0.7rem; color: var(--color-accent); padding-top: 0.15rem; }
.step-content h4 { font-family: var(--font-display); font-size: 1rem; font-weight: 300; margin-bottom: 0.3rem; }
.step-content p { font-size: 0.9rem; color: var(--color-ink-muted); line-height: 1.6; }

/* ── INSIGHTS GRID ───────────────────────────────────────────── */
.insights-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin: 1.5rem 0; }

.insight-card { background: var(--color-surface); padding: 1.5rem; border: 1px solid var(--color-line); }
.insight-num { font-family: var(--font-display); font-size: 2rem; font-weight: 300; color: var(--color-accent); opacity: 0.35; line-height: 1; margin-bottom: 0.5rem; }
.insight-text { font-size: 0.95rem; line-height: 1.6; color: var(--color-ink-light); }

/* ── PROTOTYPE EMBED ─────────────────────────────────────────── */
.media-prototype { margin: 2.5rem 0; border: 1px solid var(--color-line); background: var(--color-paper); overflow: hidden; }
.media-prototype iframe { width: 100%; height: 600px; border: none; display: block; }
.prototype-header { padding: 0.75rem 1rem; border-bottom: 1px solid var(--color-line); display: flex; align-items: center; justify-content: space-between; }
.prototype-label { font-family: var(--font-mono); font-size: 0.55rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-ink-muted); }
.prototype-link { font-family: var(--font-mono); font-size: 0.55rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-accent); text-decoration: none; }

/* ── NEXT PROJECT ────────────────────────────────────────────── */
.project-nav {
  border-top: 1px solid var(--color-line);
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.project-nav-item {
  padding: 3rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  text-decoration: none;
  color: inherit;
  min-height: 180px;
  transition: background var(--transition);
  gap: 0.75rem;
}

.project-nav-item:hover { background: var(--color-surface); }

.project-nav-prev { border-right: 1px solid var(--color-line); }

.project-nav-next { text-align: right; }

.project-nav-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.project-nav-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 300;
  line-height: 1.2;
  color: var(--color-ink);
}

.project-nav-desc {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-ink-muted);
  line-height: 1.5;
}

/* ── RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .project-header { grid-template-columns: 1fr; gap: 0; }
  .project-meta-sidebar { padding-top: 2rem; border-top: 1px solid var(--color-line); flex-direction: row; flex-wrap: wrap; gap: 1.5rem; }
  .outcomes-bar { grid-template-columns: repeat(3, 1fr); }
  .project-content { grid-template-columns: 1fr; }
  .content-nav { border-right: none; border-bottom: 1px solid var(--color-line); position: static; height: auto; max-height: none; padding: 1.5rem 2.5rem; }
  .content-nav ul { flex-direction: row; flex-wrap: nowrap; gap: 0.5rem; overflow-x: auto; }
  .content-nav ul a { border-bottom: none; padding: 0.35rem 0.7rem; border: 1px solid var(--color-line); border-radius: var(--radius-pill); }
  .project-nav { grid-template-columns: 1fr; }
  .project-nav-next { text-align: left; border-top: 1px solid var(--color-line); }
}

@media (max-width: 768px) {
  .project-header { padding: 5.5rem 1.25rem 0; }
  .outcomes-bar { grid-template-columns: 1fr; }
  .outcome-stat { border-right: none; border-bottom: 1px solid var(--color-line); padding: 1.25rem 1.25rem; }
  .project-body { padding: 1.5rem 1.25rem 2.5rem; }
  .media-2col, .media-3col { grid-template-columns: 1fr; }
  .media-split { grid-template-columns: 1fr; }
  .insights-grid { grid-template-columns: 1fr; }
  .project-nav-item { padding: 2rem 1.25rem; }
}