/* Executive-density Vecna case study:
   compact hierarchy, readable labels, more evidence, less editorial vacancy. */

.vecna-page { background: var(--ink); }

.dark-panel { background: var(--ink); color: var(--text-on-dark); }
.light-panel { background: var(--paper); color: var(--ink); }

.case-hero,
.exec-section,
.case-next {
  width: min(100%, var(--max));
  margin-inline: auto;
}

.case-hero {
  padding: clamp(2.5rem, 4vw, 4rem) var(--gutter) 0;
  border-bottom: 1px solid var(--line-dark);
}

.hero-context,
.chapter-label {
  font-size: 0.88rem;
  line-height: 1.3;
  font-weight: 620;
  letter-spacing: -0.005em;
}

.hero-context {
  margin-bottom: 1.65rem;
  color: var(--muted-on-dark);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(21rem, 0.75fr);
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: start;
}

.hero-copy h1 {
  max-width: 23ch;
  font-size: clamp(2rem, 3.1vw, 3.2rem);
  line-height: 1.04;
}

.hero-copy > p {
  max-width: 63ch;
  margin-top: 1.2rem;
  color: var(--muted-on-dark);
  font-size: clamp(1rem, 1.1vw, 1.1rem);
}

.executive-brief {
  border-top: 1px solid var(--line-dark);
}

.executive-brief > div {
  display: grid;
  grid-template-columns: 5.5rem minmax(0, 1fr);
  gap: 1rem;
  padding: 0.78rem 0;
  border-bottom: 1px solid var(--line-dark);
}

.executive-brief span {
  color: var(--muted-on-dark);
  font-size: 0.78rem;
}

.executive-brief strong {
  font-size: 0.85rem;
  font-weight: 540;
}

.hero-scorecard {
  margin-top: clamp(2.2rem, 4vw, 3.5rem);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line-dark);
  border-left: 1px solid var(--line-dark);
}

.hero-scorecard > div {
  min-height: 112px;
  padding: 1rem 1.15rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
  border-right: 1px solid var(--line-dark);
}

.hero-scorecard strong {
  font-family: var(--serif);
  font-size: clamp(1.25rem, 1.65vw, 1.75rem);
  font-weight: 500;
  letter-spacing: -0.02em;
}

.hero-scorecard span {
  max-width: 23ch;
  color: var(--muted-on-dark);
  font-size: 0.76rem;
}

.exec-section {
  padding: clamp(2.8rem, 4.2vw, 4.5rem) var(--gutter);
  border-bottom: 1px solid;
}

.exec-section.light-panel { border-color: var(--line-light); }
.exec-section.dark-panel { border-color: var(--line-dark); }

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(19rem, 0.65fr);
  gap: clamp(2rem, 4vw, 4rem);
  align-items: end;
  margin-bottom: clamp(2rem, 3.5vw, 3.25rem);
}

.chapter-label {
  margin-bottom: 0.55rem;
  color: var(--muted-on-light);
}

.dark-panel .chapter-label {
  color: var(--muted-on-dark);
}

.section-head h2,
.case-next h2 {
  max-width: 31ch;
  font-size: clamp(1.45rem, 1.85vw, 1.95rem);
  line-height: 1.11;
}

.section-head > p {
  color: var(--muted-on-light);
  font-size: 0.92rem;
}

.dark-panel .section-head > p {
  color: var(--muted-on-dark);
}

.hds-layout {
  display: grid;
  grid-template-columns: minmax(20rem, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(1.5rem, 3vw, 3rem);
  align-items: stretch;
}

.hds-real-work {
  display: grid;
  grid-template-columns: minmax(220px, 0.72fr) minmax(0, 1.28fr);
  gap: 1rem;
  align-items: start;
}

.hds-real-work .visual-card:first-child img {
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: center;
}

.hds-real-work .visual-card:last-child img {
  aspect-ratio: 16 / 9;
  object-fit: contain;
  background: #f7f7f5;
}

.system-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(20rem, 0.75fr);
  gap: clamp(1.5rem, 3vw, 3rem);
  align-items: start;
}

.system-evidence {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(190px, 0.55fr);
  gap: 1rem;
  align-items: start;
}

.visual-card,
.context-card {
  margin: 0;
}

.visual-card img,
.context-card img {
  width: 100%;
  display: block;
  border-radius: 0.42rem;
  border: 1px solid var(--line-light);
  background: white;
}

.dark-panel .visual-card img,
.dark-panel .context-card img {
  border-color: var(--line-dark);
}

.visual-card figcaption,
.context-card figcaption {
  margin-top: 0.65rem;
  color: var(--muted-on-light);
  font-size: 0.76rem;
  line-height: 1.42;
}

.dark-panel .visual-card figcaption,
.dark-panel .context-card figcaption {
  color: var(--muted-on-dark);
}

.leadership-actions {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--line-light);
  border-left: 1px solid var(--line-light);
}

.leadership-actions article {
  min-height: 180px;
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
}

.leadership-actions article > strong {
  color: var(--muted-on-light);
  font-size: 0.76rem;
}

.leadership-actions h3 {
  margin-top: auto;
  font-family: var(--serif);
  font-size: 1.08rem;
}

.leadership-actions p {
  margin-top: 0.5rem;
  color: var(--muted-on-light);
  font-size: 0.84rem;
}

.brec-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line-dark);
  border-left: 1px solid var(--line-dark);
  margin-bottom: clamp(1.5rem, 3vw, 3rem);
}

.brec-strip article {
  min-height: 145px;
  padding: 1rem;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem;
  align-items: start;
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.brec-strip article > strong {
  font-family: var(--serif);
  font-size: 2rem;
  font-weight: 500;
}

.brec-strip h3 {
  font-family: var(--serif);
  font-size: 1rem;
}

.brec-strip p {
  margin-top: 0.35rem;
  color: var(--muted-on-dark);
  font-size: 0.79rem;
}

.system-installation img {
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.standards-artifact img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: contain;
  background: #f7f7f5;
}

.surface-matrix {
  border-top: 1px solid var(--line-dark);
  border-left: 1px solid var(--line-dark);
}

.matrix-heading {
  padding: 0.9rem 1rem;
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  color: var(--muted-on-dark);
  font-size: 0.82rem;
  font-weight: 620;
}

.matrix-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.matrix-grid span {
  min-height: 76px;
  padding: 0.8rem;
  display: flex;
  align-items: end;
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  color: var(--muted-on-dark);
  font-size: 0.78rem;
}

.research-scorecard {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line-light);
  border-left: 1px solid var(--line-light);
  margin-bottom: clamp(1.5rem, 3vw, 2.75rem);
}

.research-scorecard > div {
  min-height: 100px;
  padding: 0.95rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-right: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
}

.research-scorecard strong {
  font-family: var(--serif);
  font-size: 1.55rem;
  font-weight: 500;
}

.research-scorecard span {
  color: var(--muted-on-light);
  font-size: 0.77rem;
}

.research-practice {
  margin-bottom: clamp(1.5rem, 3vw, 2.75rem);
}

.research-practice img {
  max-height: 440px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.decision-table {
  border-top: 1px solid var(--line-light);
}

.decision-table article {
  display: grid;
  grid-template-columns: minmax(12rem, 0.38fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 3vw, 3rem);
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--line-light);
}

.decision-signal {
  display: grid;
  grid-template-columns: 4rem minmax(0, 1fr);
  gap: 0.7rem;
  align-items: baseline;
}

.decision-signal strong {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 500;
}

.decision-signal span {
  color: var(--muted-on-light);
  font-size: 0.78rem;
}

.decision-result {
  display: grid;
  grid-template-columns: minmax(13rem, 0.52fr) minmax(0, 1fr);
  gap: 1.25rem;
}

.decision-result h3 {
  font-family: var(--serif);
  font-size: 1.02rem;
}

.decision-result p {
  color: var(--muted-on-light);
  font-size: 0.84rem;
}

.evidence-gallery {
  margin-top: clamp(1.5rem, 3vw, 2.75rem);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1rem, 2vw, 2rem);
  align-items: start;
}

.evidence-gallery img {
  aspect-ratio: 4 / 5;
  object-fit: contain;
  background: #f7f7f5;
}

.scope-dashboard {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--line-dark);
  border-left: 1px solid var(--line-dark);
  margin-bottom: clamp(1.5rem, 3vw, 2.75rem);
}

.scope-dimension {
  min-height: 108px;
  padding: 1rem;
  display: grid;
  grid-template-columns: 6rem minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.scope-dimension span {
  color: var(--muted-on-dark);
  font-size: 0.78rem;
}

.scope-dimension strong {
  font-size: 0.86rem;
  font-weight: 540;
  line-height: 1.5;
}

.context-gallery {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(1rem, 2vw, 2rem);
  align-items: start;
}

.context-card img {
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.context-people {
  grid-row: span 2;
}

.context-people img {
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.context-room-study img {
  object-fit: contain;
  object-position: center;
  background: #f7f7f5;
}

.context-card figcaption {
  display: grid;
  grid-template-columns: 4rem minmax(0, 1fr);
  gap: 0.65rem;
}

.context-card figcaption strong {
  color: var(--text-on-dark);
  font-size: 0.78rem;
}

.context-interface-pair .interface-pair {
  display: grid;
  grid-template-columns: 0.72fr 1fr;
  gap: 0.75rem;
  padding: 0.75rem;
  background: #f7f7f5;
  border-radius: 0.42rem;
  border: 1px solid var(--line-dark);
}

.context-interface-pair .interface-pair img {
  width: 100%;
  height: 420px;
  object-fit: contain;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.context-interface-pair > figcaption {
  margin-top: 0.65rem;
}

.outcome-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line-light);
  border-left: 1px solid var(--line-light);
}

.outcome-summary article {
  min-height: 240px;
  padding: clamp(1.25rem, 2.5vw, 2rem);
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
}

.outcome-summary article > span {
  color: var(--muted-on-light);
  font-size: 0.76rem;
  font-weight: 620;
}

.outcome-summary h3 {
  margin-top: auto;
  font-family: var(--serif);
  font-size: clamp(1.2rem, 1.7vw, 1.65rem);
  line-height: 1.15;
}

.outcome-summary p {
  max-width: 52ch;
  margin-top: 0.75rem;
  color: var(--muted-on-light);
  font-size: 0.88rem;
}

.lasting-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.5rem;
  align-items: center;
}

.lasting-bar span {
  margin-right: 0.4rem;
  color: var(--muted-on-light);
  font-size: 0.82rem;
  font-weight: 620;
}

.lasting-bar strong {
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--line-light);
  border-radius: 0.35rem;
  font-size: 0.78rem;
  font-weight: 540;
}

.case-next {
  padding: clamp(2.5rem, 4vw, 4rem) var(--gutter);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2rem;
  align-items: end;
}

.case-next > div {
  display: grid;
  gap: 0.55rem;
}

.case-next > div > span {
  color: var(--muted-on-light);
  font-size: 0.82rem;
  font-weight: 620;
}

.case-next > a {
  font-size: 0.82rem;
}

@media (max-width: 1000px) {
  .hero-grid,
  .section-head,
  .hds-layout,
  .system-layout {
    grid-template-columns: 1fr;
  }

  .brec-strip,
  .outcome-summary {
    grid-template-columns: repeat(2, 1fr);
  }

  .evidence-gallery {
    grid-template-columns: 1fr;
  }

  .evidence-gallery img {
    max-height: 640px;
  }

  .context-gallery {
    grid-template-columns: 1fr;
  }

  .context-people {
    grid-row: auto;
  }

  .context-people img,
  .context-card img {
    aspect-ratio: 16 / 9;
  }
}

@media (max-width: 720px) {
  .vecna-page .site-nav > a:not(.portfolio-switch) {
    display: none;
  }

  .hero-copy h1 {
    font-size: clamp(1.9rem, 8vw, 2.55rem);
  }

  .hero-scorecard,
  .research-scorecard,
  .leadership-actions,
  .scope-dashboard,
  .outcome-summary {
    grid-template-columns: 1fr;
  }

  .hds-real-work,
  .system-evidence {
    grid-template-columns: 1fr;
  }

  .brec-strip {
    grid-template-columns: 1fr;
  }

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

  .decision-table article,
  .decision-result,
  .scope-dimension {
    grid-template-columns: 1fr;
    gap: 0.55rem;
  }

  .decision-signal {
    grid-template-columns: 4rem 1fr;
  }

  .context-interface-pair .interface-pair {
    grid-template-columns: 1fr;
  }

  .context-interface-pair .interface-pair img {
    height: auto;
    max-height: 520px;
  }

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