/* ─── Eject Button — Physical, raised metallic button ─── */
.eject-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  cursor: pointer;
  border: none;
  border-radius: 50%;
  padding: 0;
  flex-shrink: 0;
  position: relative;
  /* Metallic surface */
  background: linear-gradient(145deg, #e8e4dd, #c8c4bc);
  box-shadow:
    0 2px 4px rgba(0, 0, 0, 0.15),
    0 1px 2px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.4),
    inset 0 -1px 0 rgba(0, 0, 0, 0.08);
  color: rgba(26, 26, 26, 0.5);
  transition: box-shadow 0.2s ease, transform 0.15s ease, color 0.2s ease;
  /* Override mix-blend-mode from site-header */
  mix-blend-mode: normal;
  isolation: isolate;
}

.eject-btn:hover {
  color: rgba(26, 26, 26, 0.8);
  box-shadow:
    0 3px 6px rgba(0, 0, 0, 0.18),
    0 1px 3px rgba(0, 0, 0, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.5),
    inset 0 -1px 0 rgba(0, 0, 0, 0.08);
  transform: translateY(-1px);
}

.eject-btn:active {
  transform: translateY(1px);
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.12),
    inset 0 2px 3px rgba(0, 0, 0, 0.1),
    inset 0 -1px 0 rgba(255, 255, 255, 0.2);
  background: linear-gradient(145deg, #d8d4cc, #c0bcb4);
}

.eject-btn svg {
  width: 14px;
  height: 14px;
  transition: transform 0.2s ease;
}

.eject-btn:hover svg {
  transform: translateY(-1px);
}

/* Ensure eject button renders correctly despite site-header mix-blend-mode */
.site-header:has(.eject-btn) {
  mix-blend-mode: normal;
  color: var(--ink);
}

/* Eject transition overlay */
.eject-overlay {
  position: fixed;
  inset: 0;
  background: rgba(240, 237, 230, 0);
  z-index: 9998;
  pointer-events: none;
}

/* ─── Project Page Layout ─── */

.project-header {
  padding-top: calc(var(--space-5xl) + var(--space-xl));
  padding-inline: var(--gutter);
  max-width: var(--container-max);
  margin-inline: auto;
  padding-bottom: var(--space-3xl);
  position: relative;
}

/* Rauschenberg: color wash behind project header */
.project-header::after {
  content: '';
  position: absolute;
  top: 20%;
  right: -8%;
  width: 35%;
  height: 50%;
  background-color: var(--orange);
  opacity: 0.035;
  mix-blend-mode: multiply;
  transform: rotate(2deg);
  pointer-events: none;
  border-radius: 2px;
}

.project-header__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.project-header__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.03em;
  max-width: 14ch;
}

.project-header__year {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-mono);
  color: var(--color-text-muted);
  padding-top: var(--space-sm);
}

.project-header__subtitle {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
}

.project-header__intro {
  font-size: var(--text-lg);
  line-height: var(--leading-normal);
  max-width: var(--container-narrow);
}

/* ─── Hero Image ─── */
.project-hero {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
  margin-bottom: var(--space-4xl);
  position: relative;
}

.project-hero img {
  width: 100%;
  border-radius: var(--radius-md);
}

/* Grain over hero — like a printed poster under glass */
.project-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: var(--radius-md);
  opacity: 0.09;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='h'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23h)'/%3E%3C/svg%3E");
  background-size: 256px 256px;
}

/* ─── Content Blocks ─── */
.project-content {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.content-block {
  margin-bottom: var(--space-4xl);
}

.content-block--text {
  max-width: var(--container-narrow);
}

.content-block--text h2 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-lg);
}

.content-block--text h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-md);
}

.content-block--text p {
  margin-bottom: var(--space-lg);
}

.content-block--text p:last-child {
  margin-bottom: 0;
}

/* Full-width image — silkscreen treatment */
.content-block--image {
  width: 100%;
  position: relative;
}

.content-block--image img {
  width: 100%;
  border-radius: var(--radius-sm);
  mix-blend-mode: multiply;
  filter: contrast(1.06) saturate(0.85);
  border: 1px solid rgba(26, 26, 26, 0.05);
  transition: filter var(--duration-normal) var(--ease-out);
}

.content-block--image:hover img {
  filter: contrast(1) saturate(1);
}

/* Grain film over content images — like looking through acetate */
.content-block--image::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: var(--radius-sm);
  opacity: 0.09;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='f'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.95' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23f)'/%3E%3C/svg%3E");
  background-size: 256px 256px;
  transition: opacity var(--duration-normal) var(--ease-out);
}

.content-block--image:hover::after {
  opacity: 0.04;
}

/* Rauschenberg: offset shadow block behind image */
.content-block--image::before {
  content: '';
  position: absolute;
  top: 6px;
  left: -5px;
  right: 5px;
  bottom: -6px;
  background-color: var(--blue);
  opacity: 0.04;
  border-radius: 2px;
  z-index: -1;
}

.content-block--image figcaption {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-sm);
  letter-spacing: var(--tracking-mono);
}

/* Side-by-side images */
.content-block--pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.content-block--pair img {
  width: 100%;
  border-radius: var(--radius-sm);
}

/* Image with text aside */
.content-block--aside {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

.content-block--aside img {
  width: 100%;
  border-radius: var(--radius-sm);
}

/* Evidence/PDF embed */
.content-block--evidence {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--space-2xl);
}

.content-block--evidence .label {
  margin-bottom: var(--space-lg);
}

/* Metrics / Key findings */
.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
  padding: var(--space-2xl) 0;
}

.metric {
  text-align: left;
}

.metric__value {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  letter-spacing: var(--tracking-tight);
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.metric__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* ─── Role & Tools Sidebar ─── */
.project-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-xl);
  padding: var(--space-xl) 0;
  border-top: 1px solid rgba(26, 26, 26, 0.1);
  border-bottom: 1px solid rgba(26, 26, 26, 0.1);
  margin-bottom: var(--space-3xl);
}

.project-meta dt {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}

.project-meta dd {
  font-size: var(--text-sm);
  line-height: var(--leading-snug);
}

/* ─── PDF Embed Viewer ─── */
.pdf-viewer {
  margin-bottom: var(--space-4xl);
}

.pdf-viewer__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  display: block;
}

.pdf-viewer__title {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.pdf-viewer__description {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
  max-width: var(--container-narrow);
}

.pdf-viewer__frame {
  width: 100%;
  height: 720px;
  border: 1px solid rgba(26, 26, 26, 0.08);
  border-radius: var(--radius-md);
  background-color: var(--white);
}

/* ─── Video Embed ─── */
.video-embed {
  margin-bottom: var(--space-4xl);
}

.video-embed__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  display: block;
}

.video-embed__wrap {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 1px solid rgba(26, 26, 26, 0.05);
}

.video-embed__wrap iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.video-embed__caption {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-sm);
  letter-spacing: var(--tracking-mono);
}

/* ─── Image Grid (2-up, 3-up) ─── */
.content-block--image-grid {
  display: grid;
  gap: var(--space-md);
  margin-bottom: var(--space-4xl);
}

.content-block--image-grid.grid-2 {
  grid-template-columns: 1fr 1fr;
}

.content-block--image-grid.grid-3 {
  grid-template-columns: 1fr 1fr 1fr;
}

.content-block--image-grid img {
  width: 100%;
  border-radius: var(--radius-sm);
  mix-blend-mode: multiply;
  filter: contrast(1.06) saturate(0.85);
  border: 1px solid rgba(26, 26, 26, 0.05);
}

.content-block--image-grid figcaption {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-sm);
  letter-spacing: var(--tracking-mono);
  grid-column: 1 / -1;
}

/* ─── Blockquote / Pull Quote ─── */
.pull-quote {
  max-width: var(--container-narrow);
  margin-bottom: var(--space-4xl);
  padding-left: var(--space-xl);
  border-left: 3px solid var(--orange);
  position: relative;
}

/* Ink bleed along the quote bar — like a leaky felt-tip */
.pull-quote::before {
  content: '';
  position: absolute;
  top: -4px;
  left: -2px;
  width: 7px;
  bottom: -4px;
  opacity: 0.06;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 8 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='q'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='1.5' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='8' height='200' filter='url(%23q)' fill='%23D4622B'/%3E%3C/svg%3E");
  background-size: 8px 200px;
  pointer-events: none;
}

.pull-quote blockquote {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  font-weight: 700;
  line-height: var(--leading-snug);
  letter-spacing: -0.01em;
  font-style: italic;
}

.pull-quote cite {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-style: normal;
  color: var(--color-text-muted);
  margin-top: var(--space-md);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

/* ─── Hero Quote — full-bleed cinematic blockquote ─── */
.hero-quote {
  background-color: var(--ink);
  color: var(--bg);
  width: 100%;
  padding: calc(var(--space-5xl) + var(--space-xl)) var(--gutter) var(--space-4xl);
  margin-bottom: 0;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

/* Subtle grain on dark bg */
.hero-quote::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='256' height='256' filter='url(%23n)' opacity='0.06'/%3E%3C/svg%3E");
  opacity: 0.4;
  pointer-events: none;
}

.hero-quote__text {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  max-width: 20ch;
  margin-bottom: var(--space-2xl);
  opacity: 0;
  transform: translateY(40px) scale(0.97);
  transition: none;
}

.hero-quote__cite {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-style: normal;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: rgba(240, 237, 230, 0.45);
  opacity: 0;
  transform: translateY(16px);
  transition: none;
}

/* States when revealed by GSAP */
.hero-quote__text.is-revealed {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.hero-quote__cite.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 768px) {
  .hero-quote {
    padding: var(--space-4xl) var(--gutter);
  }
}

/* ─── Methods List ─── */
.methods-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-sm) var(--space-lg);
  padding: var(--space-xl) 0;
  max-width: var(--container-narrow);
  margin-bottom: var(--space-3xl);
}

.methods-grid li {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-mono);
  padding: var(--space-xs) 0;
  border-bottom: 1px solid rgba(26, 26, 26, 0.06);
}

/* ─── CTA / External Link ─── */
.project-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-mono);
  padding: var(--space-md) var(--space-xl);
  border: 1.5px solid var(--ink);
  border-radius: var(--radius-sm);
  transition: all var(--duration-normal) var(--ease-out);
  margin-bottom: var(--space-4xl);
}

.project-cta:hover {
  background-color: var(--ink);
  color: var(--bg);
}

.project-cta svg {
  width: 14px;
  height: 14px;
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
  .project-header {
    padding-top: calc(var(--space-4xl) + var(--space-lg));
  }

  .content-block--pair,
  .content-block--aside {
    grid-template-columns: 1fr;
  }

  .project-meta {
    grid-template-columns: repeat(2, 1fr);
  }

  .pdf-viewer__frame {
    height: 480px;
  }

  .content-block--image-grid.grid-2,
  .content-block--image-grid.grid-3 {
    grid-template-columns: 1fr;
  }

  /* Eject button — slightly larger for touch */
  .eject-btn {
    width: 40px;
    height: 40px;
  }
}