/* =============================================
   PROJECT PAGE
   ============================================= */

body.lightbox-open {
  overflow: hidden;
}

.pj {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 7rem clamp(1.5rem, 5vw, 4rem) var(--section-pad);
}

/* Back link */
.pj__back {
  margin-bottom: 2.5rem;
}

.pj__back-link {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  transition: color 0.2s;
}

.pj__back-link:hover {
  color: var(--accent);
}

/* Hero */
.pj__hero {
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.pj__hero-media {
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  margin-bottom: 2rem;
  border-radius: 4px;
  background: #000;
  transition-delay: 0.05s;
}

.pj__hero-media video {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.pj__hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.pj__placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pj__placeholder span {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 4vw, 3rem);
  font-style: italic;
  color: rgba(255,255,255,0.2);
  user-select: none;
}

.pj__hero-text {
  max-width: 760px;
}

.pj__meta {
  margin-bottom: 0.75rem;
  transition-delay: 0.1s;
}

.pj__title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.75rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 1rem;
  transition-delay: 0.15s;
}

.pj__award {
  transition-delay: 0.2s;
}

.pj__award-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 0.35rem 0.8rem;
  border-radius: 2px;
}

/* Body layout */
.pj__body {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: clamp(3rem, 6vw, 5rem);
  align-items: start;
}

/* Main content */
.pj__description {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  font-weight: 400;
  color: var(--text);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  transition-delay: 0.1s;
}

.pj__divider {
  width: 48px;
  height: 2px;
  background: var(--accent);
  margin-bottom: 1.5rem;
}

.pj__overview {
  font-size: 0.95rem;
  color: var(--text-dim);
  line-height: 1.85;
  margin-bottom: 2.5rem;
  transition-delay: 0.15s;
}

.pj__highlights {
  margin-bottom: 2.5rem;
  transition-delay: 0.2s;
}

.pj__highlights h3 {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.pj__highlights ul {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.pj__highlights li {
  font-size: 0.9rem;
  color: var(--text-dim);
  padding-left: 1rem;
  position: relative;
  line-height: 1.6;
}

.pj__highlights li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.75rem;
}

.pj__cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  transition-delay: 0.25s;
}

/* Long-form case study */
.pj__case-study {
  margin-top: clamp(4rem, 8vw, 7rem);
}

.pj__case-study[hidden] {
  display: none;
}

.case-intro {
  max-width: 760px;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.case-intro p {
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 2.4vw, 2rem);
  line-height: 1.45;
  color: var(--text);
}

.case-gallery {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.5rem;
  margin-bottom: clamp(4rem, 8vw, 7rem);
}

.case-gallery--figma {
  grid-template-columns: repeat(auto-fill, minmax(132px, 1fr));
  align-items: start;
  gap: 0.85rem;
  padding: 1rem;
  background-image: radial-gradient(rgba(26, 24, 20, 0.16) 1px, transparent 1px);
  background-size: 12px 12px;
  background-color: rgba(255, 255, 255, 0.32);
}

.case-gallery__item {
  grid-column: span 6;
  background: var(--bg-2);
  overflow: hidden;
}

.case-gallery__item:first-child,
.case-gallery__item:nth-child(2),
.case-gallery__item:last-child {
  grid-column: span 12;
}

.case-gallery__item--feature,
.case-gallery__item--wide {
  grid-column: span 12;
}

.case-gallery__item--phone {
  grid-column: span 4;
  max-width: 420px;
  justify-self: center;
}

.case-gallery--figma .case-gallery__item,
.case-gallery--figma .case-gallery__item--wide {
  grid-column: span 2;
}

.case-gallery--figma .case-gallery__item--feature {
  grid-column: span 3;
}

.case-gallery--figma .case-gallery__item--phone {
  grid-column: span 1;
  max-width: none;
}

.case-gallery--figma .case-gallery__item {
  box-shadow: 0 12px 30px rgba(26, 24, 20, 0.1);
}

.case-gallery--figma .case-gallery__item--feature {
  position: relative;
}

.case-gallery--figma .case-gallery__item--feature::before {
  content: "Figma Final Design";
  position: absolute;
  top: 1rem;
  left: 1rem;
  z-index: 1;
  background: rgba(26, 24, 20, 0.82);
  color: var(--bg);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 0.45rem 0.65rem;
}

.case-gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.45s ease, filter 0.45s ease;
}

.case-gallery--figma .case-gallery__item img {
  object-fit: contain;
}

.case-gallery__button {
  position: relative;
  display: block;
  width: 100%;
  height: clamp(280px, 38vw, 520px);
  padding: 0;
  border: 0;
  overflow: hidden;
  background: var(--bg-3);
  cursor: zoom-in;
  font: inherit;
}

.case-gallery--figma .case-gallery__button {
  height: 150px;
  background: #f6f6f3;
}

.case-gallery--figma .case-gallery__item--feature .case-gallery__button {
  height: 190px;
}

.case-gallery--figma .case-gallery__item--wide .case-gallery__button {
  height: 150px;
}

.case-gallery--figma .case-gallery__item--phone .case-gallery__button {
  height: 230px;
}

.case-gallery__item--feature .case-gallery__button {
  height: clamp(360px, 54vw, 720px);
}

.case-gallery__item--wide .case-gallery__button {
  height: clamp(300px, 44vw, 620px);
}

.case-gallery__item--phone .case-gallery__button {
  height: clamp(420px, 58vw, 680px);
}

.case-gallery__button:hover img,
.case-gallery__button:focus-visible img {
  transform: scale(1.025);
  filter: brightness(0.86);
}

.case-gallery__open {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  opacity: 0;
  background: rgba(26, 24, 20, 0.84);
  color: var(--bg);
  padding: 0.5rem 0.7rem;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transform: translateY(6px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.case-gallery__button:hover .case-gallery__open,
.case-gallery__button:focus-visible .case-gallery__open {
  opacity: 1;
  transform: translateY(0);
}

.case-gallery__item figcaption {
  padding: 0.9rem 1rem 1rem;
  font-size: 0.78rem;
  color: var(--text-dim);
  line-height: 1.55;
}

.case-section {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(2rem, 5vw, 5rem);
  padding: clamp(3rem, 7vw, 5rem) 0;
}

.case-section + .case-section {
  border-top: 1px solid var(--border);
}

.case-section__heading h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3.5vw, 3rem);
  line-height: 1.1;
  color: var(--text);
}

.case-section__content {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.case-section__content p {
  color: var(--text-dim);
  line-height: 1.85;
}

.case-list {
  display: grid;
  gap: 0.75rem;
}

.case-list li {
  position: relative;
  padding-left: 1.1rem;
  color: var(--text-dim);
  line-height: 1.65;
}

.case-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--accent);
}

.case-decisions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.case-decision {
  padding: 1.25rem;
  background: var(--bg-2);
}

.case-decision h3 {
  margin-bottom: 0.5rem;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--text);
}

.case-decision p {
  font-size: 0.88rem;
  line-height: 1.65;
}

/* Case study lightbox */
.case-lightbox[hidden] {
  display: none;
}

.case-lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  color: var(--bg);
}

.case-lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(12, 12, 12, 0.82);
  backdrop-filter: blur(16px);
}

.case-lightbox__panel {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: 1rem;
  height: 100svh;
  padding: 1rem;
}

.case-lightbox__toolbar {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.case-lightbox__controls {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.5rem;
}

.case-lightbox button {
  border: 0;
  background: rgba(245, 241, 234, 0.12);
  color: var(--bg);
  cursor: pointer;
}

.case-lightbox__controls button {
  padding: 0.65rem 0.8rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.case-lightbox__counter {
  font-size: 0.75rem;
  color: rgba(245, 241, 234, 0.78);
}

.case-lightbox__viewport {
  grid-column: 2;
  overflow: auto;
  display: grid;
  place-items: center;
  min-width: 0;
  background: rgba(245, 241, 234, 0.06);
}

.case-lightbox__viewport img {
  max-width: 100%;
  max-height: 82vh;
  width: auto;
  height: auto;
  transition: width 0.18s ease;
}

.case-lightbox__nav {
  align-self: center;
  width: 3rem;
  height: 3rem;
  font-size: 1.25rem;
}

.case-lightbox__caption {
  grid-column: 1 / -1;
  margin: 0 auto;
  max-width: 760px;
  text-align: center;
  color: rgba(245, 241, 234, 0.78);
  font-size: 0.86rem;
}

/* Sidebar */
.pj__sidebar {
  position: sticky;
  top: 7rem;
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.pj__info-group {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.pj__info-group:last-child {
  border-bottom: none;
}

.pj__info-group h4 {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.pj__info-group p,
.pj__info-group li {
  font-size: 0.875rem;
  color: var(--text-dim);
  line-height: 1.6;
}

.pj__info-group ul {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

/* Next project */
.pj__next {
  margin-top: clamp(4rem, 8vw, 7rem);
  padding-top: 2.5rem;
  border-top: 1px solid var(--border);
}

.pj__next-link {
  display: inline-flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: opacity 0.2s;
}

.pj__next-link:hover {
  opacity: 0.7;
}

.pj__next-title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
}

/* Responsive */
@media (max-width: 860px) {
  .pj__body {
    grid-template-columns: 1fr;
  }

  .pj__sidebar {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .pj__hero-media {
    aspect-ratio: 16/9;
  }

  .case-gallery__item,
  .case-gallery__item:first-child,
  .case-gallery__item:nth-child(2),
  .case-gallery__item:last-child,
  .case-gallery__item--feature,
  .case-gallery__item--wide,
  .case-gallery__item--phone,
  .case-section {
    grid-column: span 12;
  }

  .case-gallery__item--phone {
    max-width: 390px;
  }

  .case-gallery--figma .case-gallery__item--phone {
    grid-column: span 12;
  }

  .case-lightbox__panel {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto minmax(0, 1fr) auto auto;
  }

  .case-lightbox__toolbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .case-lightbox__viewport,
  .case-lightbox__caption {
    grid-column: 1;
  }

  .case-lightbox__nav {
    width: 100%;
    height: 2.5rem;
  }

  .case-section {
    grid-template-columns: 1fr;
  }

  .case-decisions {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .pj__sidebar {
    grid-template-columns: 1fr;
  }
}