/* ==========================================================================
   Project page. Loaded after main.css and built from the same tokens.
   Reading order: hero → facts and story → photo chapters → sketch → drawings
   → materials → recognition → every photograph → next project.
   ========================================================================== */

/* ---------- Hero ---------- */
.project-hero {
  position: relative; overflow: hidden;
  height: clamp(540px, 88svh, 940px);
  background: var(--graphite-900); color: var(--color-on-image);
}
.project-hero-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.project-hero::after { content: ""; position: absolute; inset: 0; background: var(--hero-scrim-side), var(--hero-scrim); pointer-events: none; }
.project-hero-content { position: absolute; inset: auto 0 0 0; z-index: 2; padding-bottom: clamp(1.75rem, 1rem + 3vw, 4rem); }
.crumbs { display: flex; gap: 10px; font-family: var(--font-mono); font-size: var(--step--1); letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-on-image-muted); }
.crumbs a { text-decoration: none; }
.crumbs a:hover { color: var(--color-signal); }
.project-hero h1 {
  font-family: var(--font-display); font-weight: 500; font-size: var(--step-5);
  line-height: 0.95; letter-spacing: -0.025em; text-wrap: balance; max-width: 13ch; margin-top: 18px;
}
.project-hero-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; margin-top: 22px; }
.project-hero-meta .meta { color: var(--color-on-image-muted); }
.badge {
  display: inline-flex; align-items: center; gap: 8px; padding: 8px 12px; line-height: 1;
  background: var(--color-signal); color: var(--color-on-signal);
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
}
.badge span { font-size: 9px; }
.project-hero :focus-visible { outline-color: var(--color-on-image); }
@media (max-width: 899px) {
  .project-hero { --hero-scrim: linear-gradient(180deg, rgba(14, 15, 13, 0.5) 0%, rgba(14, 15, 13, 0.12) 20%, rgba(14, 15, 13, 0.5) 50%, rgba(14, 15, 13, 0.84) 100%); }
}

/* "To confirm" marker: a dashed outline, like an implied stroke in the logo */
.tbc {
  display: inline-block; border: 1px dashed currentColor; color: var(--color-text-muted);
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 2px 8px; line-height: 1.5; vertical-align: 1px; white-space: nowrap;
}

/* ---------- Facts and story ---------- */
.project-intro .grid { row-gap: var(--space-6); align-items: start; }
.facts { grid-column: 1 / span 4; position: sticky; top: calc(var(--header-height) + 24px); border-top: 2px solid var(--color-line-strong); }
.facts > div { display: grid; grid-template-columns: 104px minmax(0, 1fr); gap: 4px 16px; padding-block: 12px; border-bottom: 1px solid var(--color-line); }
.facts dt { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-text-muted); padding-top: 3px; }
.facts dd { font-size: 0.9375rem; line-height: 1.5; }
.project-story { grid-column: 6 / span 7; display: grid; gap: var(--space-3); justify-items: start; }
.project-lede { font-family: var(--font-display); font-size: var(--step-3); line-height: 1.2; letter-spacing: -0.01em; max-width: 28ch; text-wrap: pretty; }
.project-story .body { color: var(--color-text-muted); max-width: 58ch; }
.draft-note {
  border: 1px dashed var(--color-text-muted); padding: 12px 14px; max-width: 58ch;
  font-size: 0.875rem; line-height: 1.5; color: var(--color-text-muted); display: flex; gap: 12px;
}
.draft-note::before { content: "Draft"; flex: none; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-accent); padding-top: 2px; }
.open-all { background: none; border: 0; border-bottom: 1px solid var(--color-line-strong); padding: 0 0 3px; cursor: pointer; margin-top: var(--space-1); }
@media (max-width: 899px) {
  .facts, .project-story { grid-column: 1 / -1; }
  .facts { position: static; }
  .project-story { order: -1; }
}

/* ---------- Photo chapters ---------- */
.chapter { padding-top: var(--section-space); }
.chapter-head { row-gap: 10px; align-items: baseline; margin-bottom: clamp(2rem, 1.2rem + 2.5vw, 3.5rem); }
.chapter-no { grid-column: 1 / span 1; font-family: var(--font-mono); font-size: var(--step--1); color: var(--color-accent); letter-spacing: 0.06em; }
.chapter-head h2 { grid-column: 2 / span 5; font-family: var(--font-display); font-weight: 500; font-size: var(--step-4); line-height: 1; letter-spacing: -0.02em; }
.chapter-note { grid-column: 7 / span 6; font-size: var(--step-1); line-height: 1.5; max-width: 44ch; color: var(--color-text); }
@media (max-width: 899px) {
  .chapter-no { grid-column: 1 / -1; }
  .chapter-head h2, .chapter-note { grid-column: 1 / -1; }
}

.ph { display: grid; gap: 10px; min-width: 0; }
.ph figcaption { display: flex; justify-content: space-between; gap: 16px; font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.03em; color: var(--color-text-muted); }
.ph figcaption span:last-child { flex: none; font-variant-numeric: tabular-nums; }
.ph-link { display: block; cursor: zoom-in; }
.ph-link .media img, .swatch-link img, .sheet a img { transition: transform 0.9s var(--ease-out); }
.ph-link:hover .media img { transform: scale(1.025); }
.r-native-45 { aspect-ratio: 1745 / 951; }
.bleed .ph figcaption { padding-inline: var(--margin); }
.bleed + .container { margin-top: var(--gutter); }

.layout-pair, .layout-lead, .layout-offset, .layout-portrait-landscape, .layout-center { row-gap: var(--space-6); }
.layout-pair { margin-top: var(--space-4); align-items: start; }
.layout-pair > :nth-child(1) { grid-column: 1 / span 6; }
.layout-pair > :nth-child(2) { grid-column: 7 / span 6; }
.layout-lead { align-items: end; }
.layout-lead > .ph { grid-column: 1 / span 8; }
.layout-lead > .aside { grid-column: 10 / span 3; color: var(--color-text-muted); font-size: 0.9375rem; padding-bottom: 2.4rem; border-top: 1px solid var(--color-line); padding-top: 14px; }
.layout-offset { margin-top: clamp(2.5rem, 2rem + 3vw, 5rem); }
.layout-offset > .ph { grid-column: 5 / span 8; }
.layout-portrait-landscape { align-items: end; }
.layout-portrait-landscape > :nth-child(1) { grid-column: 1 / span 4; }
.layout-portrait-landscape > :nth-child(2) { grid-column: 6 / span 7; }
.layout-center { margin-top: clamp(2.5rem, 2rem + 3vw, 5rem); }
.layout-center > .ph { grid-column: 3 / span 8; }
@media (max-width: 899px) {
  .layout-pair > *, .layout-lead > *, .layout-offset > *, .layout-portrait-landscape > *, .layout-center > * { grid-column: 1 / -1 !important; }
  .layout-lead > .aside { padding-bottom: 0; }
}

/* ---------- Sketch to room ---------- */
.project-sketch { margin-top: var(--section-space); }
.sketch-title { font-family: var(--font-display); font-weight: 500; font-style: italic; font-size: var(--step-4); line-height: 1; letter-spacing: -0.02em; }
.project-compare-frame { aspect-ratio: 1728 / 1153; }

/* ---------- Drawings: reserved frames on drawing paper ---------- */
.drawings { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--gutter); }
.drawing-slot {
  margin: 0; aspect-ratio: 4 / 3; display: grid; place-content: center; justify-items: center; gap: 12px; padding: 16px; text-align: center;
  border: 1px dashed var(--color-text-muted);
  background:
    repeating-linear-gradient(0deg, transparent 0 23px, rgba(27, 29, 26, 0.06) 23px 24px),
    repeating-linear-gradient(90deg, transparent 0 23px, rgba(27, 29, 26, 0.06) 23px 24px),
    var(--color-surface);
}
.drawing-name { font-family: var(--font-display); font-size: var(--step-2); line-height: 1.15; }
@media (max-width: 899px) { .drawings { grid-template-columns: minmax(0, 1fr); } .drawing-slot { aspect-ratio: 16 / 9; } }

/* ---------- Materials ---------- */
.materials { padding-top: 0; }
.swatch-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: var(--space-4) var(--gutter); }
.swatch-grid li { display: grid; gap: 4px; min-width: 0; }
.swatch-link { display: block; overflow: hidden; aspect-ratio: 1; margin-bottom: 8px; cursor: zoom-in; background: var(--color-surface-sunken); }
.swatch-link img { width: 100%; height: 100%; object-fit: cover; }
.swatch-link:hover img { transform: scale(1.06); }
.swatch-name { font-family: var(--font-display); font-size: var(--step-1); line-height: 1.2; }
@media (max-width: 1023px) { .swatch-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 559px) { .swatch-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* ---------- Recognition for this project ---------- */
.project-recognition { padding-top: 0; }
.recog { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 12px; }
.recog .tile-lead { grid-column: span 6; grid-row: auto; min-height: 320px; }
.recog-press { grid-column: span 6; background: var(--color-surface); padding: clamp(20px, 2vw, 32px); display: flex; flex-direction: column; gap: var(--space-4); }
.press-items { display: grid; margin-top: auto; }
.press-items li { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; padding-block: 14px; border-top: 1px solid var(--color-line); }
.press-name { font-family: var(--font-display); font-size: var(--step-2); line-height: 1.15; }
@media (max-width: 1023px) { .recog .tile-lead, .recog-press { grid-column: 1 / -1; } }

/* ---------- Every photograph ---------- */
.contact-sheet { border-top: 1px solid var(--color-line); }
.sheet { display: grid; gap: var(--space-3); }
.sheet-row { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 12px var(--gutter); align-items: start; padding-top: var(--space-3); border-top: 1px solid var(--color-line); }
.sheet-row:first-child { border-top: 0; padding-top: 0; }
.sheet-row h3 { font-family: var(--font-display); font-weight: 500; font-size: var(--step-1); display: flex; gap: 10px; align-items: baseline; }
.sheet-row h3 span { font-family: var(--font-mono); font-size: 12px; font-weight: 400; color: var(--color-text-muted); }
.sheet-row ul { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 8px; }
.sheet a { display: block; overflow: hidden; aspect-ratio: 1; background: var(--color-surface-sunken); cursor: zoom-in; position: relative; }
.sheet a img { width: 100%; height: 100%; object-fit: cover; }
.sheet a:hover img { transform: scale(1.06); }
.sheet a::after { content: ""; position: absolute; inset: 0; box-shadow: inset 0 0 0 0 var(--color-signal); transition: box-shadow 0.25s; }
.sheet a:hover::after { box-shadow: inset 0 0 0 3px var(--color-signal); }
@media (max-width: 699px) {
  .sheet-row { grid-template-columns: minmax(0, 1fr); }
  .sheet-row ul { grid-template-columns: repeat(auto-fill, minmax(72px, 1fr)); }
}

/* ---------- Next and previous ---------- */
.project-nav { padding-block: 0 var(--section-space); }
.prev-link { display: inline-flex; gap: 10px; font-size: 0.9375rem; text-decoration: none; color: var(--color-text-muted); margin-bottom: var(--space-3); }
.prev-link:hover { color: var(--color-text); }
.next-project {
  display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gutter); align-items: end;
  text-decoration: none; border-top: 2px solid var(--color-line-strong); padding-top: var(--space-4);
}
.next-text { grid-column: 1 / span 7; display: grid; gap: 12px; align-self: start; }
.next-name {
  font-family: var(--font-display); font-weight: 500; font-size: var(--step-5); line-height: 0.95; letter-spacing: -0.025em; text-wrap: balance;
  background: linear-gradient(var(--color-signal), var(--color-signal)) 0 100% / 0 3px no-repeat; transition: background-size 0.5s var(--ease-out); justify-self: start; padding-bottom: 6px;
}
.next-project:hover .next-name { background-size: 100% 3px; }
.next-media { grid-column: 9 / span 4; }
.next-project:hover .next-media img { transform: scale(1.03); }
.next-media img { transition: transform 0.9s var(--ease-out); }
@media (max-width: 899px) {
  .next-text, .next-media { grid-column: 1 / -1; }
  .next-media { margin-top: var(--space-4); }
}

/* ---------- Related ---------- */
.related { border-top: 1px solid var(--color-line); }
.related-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-6) var(--gutter); }
@media (max-width: 899px) { .related-grid { grid-template-columns: minmax(0, 1fr); } }

/* ---------- Full-screen photo viewer ---------- */
.lightbox {
  width: 100vw; height: 100dvh; max-width: none; max-height: none; margin: 0; padding: 0; border: 0;
  background: var(--graphite-900); color: var(--paper-50);
}
.lightbox[open] { display: grid; grid-template-rows: auto minmax(0, 1fr); }
.lightbox::backdrop { background: rgba(14, 15, 13, 0.92); }
.lightbox-bar {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: calc(env(safe-area-inset-top, 0px) + 16px) var(--margin) 12px;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--stone-400);
}
.lightbox-count { font-variant-numeric: tabular-nums; }
.lightbox-close {
  background: none; border: 1px solid var(--stone-400); color: var(--paper-50); cursor: pointer;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; padding: 10px 14px; line-height: 1;
}
.lightbox-close:hover { border-color: var(--color-signal); color: var(--color-signal); }
.lightbox-figure { margin: 0; display: grid; grid-template-rows: minmax(0, 1fr) auto; gap: 14px; padding: 0 clamp(16px, 7vw, 120px) calc(env(safe-area-inset-bottom, 0px) + 20px); min-height: 0; }
.lightbox-figure img { width: 100%; height: 100%; object-fit: contain; min-height: 0; transition: opacity 0.25s; }
.lightbox-figure img.is-loading { opacity: 0.25; }
.lightbox-figure figcaption { text-align: center; font-size: 0.9375rem; color: var(--stone-400); }
.lightbox-nav {
  position: absolute; top: 50%; transform: translateY(-50%); width: 52px; height: 52px; display: grid; place-items: center;
  background: rgba(27, 29, 26, 0.6); border: 1px solid #3A3C37; color: var(--paper-50); font-size: 1.2rem; cursor: pointer;
}
.lightbox-nav:hover { background: var(--color-signal); border-color: var(--color-signal); color: var(--color-on-signal); }
.lightbox-prev { left: clamp(8px, 2vw, 32px); }
.lightbox-next { right: clamp(8px, 2vw, 32px); }
.lightbox :focus-visible { outline-color: var(--color-signal); }
@media (max-width: 699px) {
  .lightbox-nav { top: auto; bottom: calc(env(safe-area-inset-bottom, 0px) + 12px); transform: none; width: 44px; height: 44px; }
  .lightbox-figure { padding-inline: 0; padding-bottom: calc(env(safe-area-inset-bottom, 0px) + 68px); }
}