/* Project case-study pages — editorial layout layered on the main Tallman's system. */
.project-page { background: var(--paper); }

.project-hero {
  position: relative; min-height: min(92svh, 940px); overflow: hidden; isolation: isolate;
  display: flex; align-items: flex-end; color: var(--white);
}
.project-hero__media { position: absolute; inset: -10% 0; z-index: -2; }
.project-hero__media img { width: 100%; height: 100%; object-fit: cover; }
.project-hero__shade {
  position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, rgba(10,19,6,0.18), rgba(10,19,6,0.16) 36%, rgba(10,19,6,0.88));
}
.project-hero__content { padding-block: calc(var(--nav-h) + 5rem) clamp(5.5rem, 10vw, 8rem); }
.project-back {
  display: inline-flex; align-items: center; gap: 0.55rem; margin-bottom: clamp(3rem, 9vh, 6rem);
  font-size: 0.82rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  color: rgba(255,255,255,0.82); transition: color 0.3s, gap 0.3s var(--ease);
}
.project-back:hover { color: var(--white); gap: 0.8rem; }
.project-kicker { color: var(--sage-light); font-size: 0.8rem; font-weight: 700; letter-spacing: 0.26em; text-transform: uppercase; }
.project-hero h1 { max-width: 900px; margin: 0.55rem 0 1.1rem; font-size: clamp(4rem, 10vw, 8rem); color: var(--white); }
.project-hero h1 em { color: var(--sage-light); }
.project-hero__intro { max-width: 660px; color: rgba(255,255,255,0.85); font-size: clamp(1.05rem, 2vw, 1.35rem); font-weight: 300; }
.project-scroll {
  position: absolute; right: 4vw; bottom: 2.5rem; display: flex; gap: 0.8rem; align-items: center;
  font-size: 0.76rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: rgba(255,255,255,0.72);
}

.project-overview { background: var(--paper); }
.project-facts {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: calc(clamp(4.5rem, 9vw, 8rem) * -1);
  transform: translateY(-50%); background: rgba(10,19,6,0.13); border-radius: var(--radius); overflow: hidden;
  box-shadow: 0 20px 55px rgba(10,19,6,0.12);
}
.project-facts div { min-height: 120px; padding: 1.45rem 1.6rem; background: var(--white); display: flex; flex-direction: column; justify-content: center; }
.project-facts dt { margin-bottom: 0.25rem; color: var(--sage); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.22em; text-transform: uppercase; }
.project-facts dd { font-family: var(--serif); color: var(--forest); font-size: clamp(1.05rem, 2vw, 1.28rem); }
.project-story {
  display: grid; grid-template-columns: 0.85fr 1.15fr; gap: clamp(2.5rem, 7vw, 7rem); align-items: start;
  margin-top: clamp(3rem, 5vw, 5rem);
}
.project-story h2 { max-width: 450px; font-size: clamp(2.35rem, 5vw, 4.5rem); }
.project-story__copy { padding-top: 0.25rem; }
.project-story__copy p { color: #3d4438; font-size: clamp(1.03rem, 1.5vw, 1.16rem); font-weight: 300; }
.project-story__copy p + p { margin-top: 1.15rem; }

.project-gallery { background: var(--ink); color: var(--white); }
.project-gallery__head { margin-bottom: clamp(2.2rem, 5vw, 4rem); }
.project-gallery__head h2 { max-width: 760px; font-size: clamp(2.35rem, 5vw, 4.4rem); }
.project-gallery__head > p { margin-top: 1rem; color: rgba(255,255,255,0.58); }
.gallery-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: clamp(0.8rem, 2vw, 1.6rem); }
.gallery-item { grid-column: span 6; }
.gallery-item--wide { grid-column: 1 / -1; }
.gallery-item--landscape { grid-column: span 7; }
.gallery-item--portrait { grid-column: span 5; }
.gallery-item--vertical { grid-column: span 6; }
.gallery-item--offset { grid-column: 6 / -1; }
.gallery-button {
  width: 100%; border: 0; padding: 0; overflow: hidden; border-radius: var(--radius); background: var(--ink-2); color: inherit; text-align: left;
}
.gallery-button img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform 0.75s var(--ease), filter 0.45s; }
.gallery-item--wide .gallery-button img { aspect-ratio: 16 / 8.5; }
.gallery-item--portrait .gallery-button img { aspect-ratio: 5 / 6.65; }
.gallery-item--vertical .gallery-button img { aspect-ratio: 9 / 14; }
.gallery-button:hover img { transform: scale(1.025); filter: brightness(1.04); }
.gallery-button:focus-visible { outline: 3px solid var(--gold); outline-offset: 4px; }
.gallery-caption { display: flex; justify-content: space-between; gap: 1rem; padding-top: 0.8rem; color: rgba(255,255,255,0.62); font-size: 0.82rem; }
.gallery-caption span:last-child { color: var(--sage-light); }

.project-cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "kicker action"
    "title action";
  align-items: end;
  column-gap: clamp(2rem, 7vw, 7rem);
  row-gap: 0.5rem;
}
.project-cta .project-kicker { grid-area: kicker; }
.project-cta h2 { grid-area: title; max-width: 760px; margin-top: 0.5rem; color: var(--white); font-size: clamp(2.4rem, 5vw, 4.5rem); }
.project-cta .btn { grid-area: action; align-self: end; margin-bottom: 0.45rem; white-space: nowrap; }
.project-pagination { background: var(--paper); border-block: 1px solid rgba(10,19,6,0.1); }
.project-pagination__inner { display: grid; grid-template-columns: 1fr 1fr; }
.project-pagination__link {
  min-height: 150px; padding: 2rem clamp(1.2rem, 4vw, 3rem); display: flex; flex-direction: column; justify-content: center;
  transition: background 0.35s, color 0.35s;
}
.project-pagination__link + .project-pagination__link { border-left: 1px solid rgba(10,19,6,0.1); text-align: right; align-items: flex-end; }
.project-pagination__link:hover { background: var(--forest-2); color: var(--white); }
.project-pagination__label { color: var(--sage); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase; }
.project-pagination__name { margin-top: 0.25rem; font-family: var(--serif); font-size: clamp(1.35rem, 2.5vw, 2rem); }
.project-footer { padding-top: 3rem; }

.lightbox {
  position: fixed; inset: 0; z-index: 1000; display: none; align-items: center; justify-content: center;
  padding: clamp(1rem, 4vw, 3rem); background: rgba(5,10,3,0.96); color: var(--white);
}
.lightbox.open { display: flex; }
.lightbox__figure { width: min(1280px, 86vw); margin: 0; }
.lightbox__image { width: 100%; max-height: 82vh; object-fit: contain; }
.lightbox__caption { padding-top: 0.75rem; color: rgba(255,255,255,0.68); font-size: 0.88rem; text-align: center; }
.lightbox__close, .lightbox__nav {
  position: absolute; border: 1px solid rgba(255,255,255,0.28); border-radius: 999px; background: rgba(10,19,6,0.56);
  color: var(--white); display: grid; place-items: center; transition: background 0.3s, border-color 0.3s;
}
.lightbox__close:hover, .lightbox__nav:hover { background: var(--forest-2); border-color: var(--sage-light); }
.lightbox__close { top: 1.25rem; right: 1.25rem; width: 48px; height: 48px; font-size: 1.8rem; }
.lightbox__nav { top: 50%; width: 52px; height: 52px; transform: translateY(-50%); font-size: 1.3rem; }
.lightbox__nav--prev { left: 1.25rem; }
.lightbox__nav--next { right: 1.25rem; }
body.lightbox-open { overflow: hidden; }

@media (max-width: 820px) {
  .project-scroll { display: none; }
  .project-facts { grid-template-columns: repeat(2, 1fr); transform: translateY(-2.5rem); margin-top: -2.5rem; }
  .project-story { grid-template-columns: 1fr; }
  .project-story__copy { max-width: 680px; }
  .gallery-item, .gallery-item--landscape, .gallery-item--portrait, .gallery-item--vertical, .gallery-item--offset { grid-column: 1 / -1; }
  .project-cta__inner {
    grid-template-columns: 1fr;
    grid-template-areas: "kicker" "title" "action";
    align-items: start;
    row-gap: 1rem;
  }
  .project-cta .btn { justify-self: start; margin: 0.5rem 0 0; }
  .project-pagination__link { min-height: 125px; }
}
@media (max-width: 600px) {
  .project-hero { min-height: 84svh; }
  .project-hero__content { padding-bottom: 4.5rem; }
  .project-hero h1 { font-size: clamp(3.4rem, 19vw, 5.3rem); }
  .project-back { margin-bottom: 3rem; }
  .project-facts { grid-template-columns: 1fr; transform: translateY(-1.75rem); margin-top: -1.75rem; }
  .project-facts div { min-height: 94px; }
  .gallery-item--wide .gallery-button img, .gallery-button img { aspect-ratio: 4 / 3; }
  .gallery-item--vertical .gallery-button img { aspect-ratio: 3 / 4; }
  .lightbox { padding: 4.5rem 0.75rem 5.5rem; }
  .lightbox__figure { width: 100%; }
  .lightbox__nav { top: auto; bottom: 1.25rem; transform: none; }
  .project-pagination__inner { grid-template-columns: 1fr; }
  .project-pagination__link + .project-pagination__link { border-left: 0; border-top: 1px solid rgba(10,19,6,0.1); }
}

@media (prefers-reduced-motion: reduce) {
  .gallery-button img { transition: none; }
}