/* FamTree case study — archival ledger meets relationship graph. */

.case-page {
  --lineage-sage: #9aaa84;
  --lineage-gold: #c7a35c;
  --lineage-blue: #7596a8;
  background:
    linear-gradient(rgba(232, 227, 217, 0.018) 1px, transparent 1px),
    var(--ink);
  background-size: 100% 48px;
}

.case-page::before {
  background:
    radial-gradient(85% 55% at 88% 4%, rgba(224, 122, 80, 0.11), transparent 65%),
    radial-gradient(70% 50% at 4% 50%, rgba(117, 150, 168, 0.045), transparent 70%);
}

.case-page .masthead__nav a:first-child { color: var(--bone-dim); }
.case-page .masthead__nav a:first-child:hover { color: var(--bone); }

.case-hero {
  min-height: calc(100svh - 4rem);
  display: grid;
  align-items: center;
  padding-block: clamp(3rem, 8vw, 7.5rem);
  border-bottom: 1px solid var(--ink-rule-strong);
}

.case-hero__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--ink-rule-strong);
}

.case-hero__folio {
  font: 500 0.625rem/1 var(--mono);
  letter-spacing: 0.16em;
  color: var(--bone-faint);
}

.case-hero__grid {
  display: grid;
  gap: clamp(2.5rem, 6vw, 6rem);
  padding-block: clamp(3.5rem, 8vw, 7rem);
}

@media (min-width: 64rem) {
  .case-hero__grid {
    grid-template-columns: minmax(0, 1.48fr) minmax(18rem, 0.52fr);
    align-items: end;
  }
}

.case-hero__eyebrow {
  margin: 0 0 0.9rem;
  font: 500 clamp(0.72rem, 0.66rem + 0.2vw, 0.86rem)/1.3 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bone-dim);
}

.case-title {
  font-size: clamp(5rem, 2.6rem + 12vw, 12rem);
  line-height: 0.72;
  letter-spacing: -0.075em;
  color: var(--bone);
}

.case-title span {
  color: transparent;
  -webkit-text-stroke: 1px var(--accent);
  text-shadow: 0.07em 0.07em 0 rgba(224, 122, 80, 0.09);
}

.case-deck {
  max-width: 35rem;
  margin-top: clamp(2.25rem, 5vw, 4rem);
  font-family: var(--serif);
  font-size: clamp(1.45rem, 1.1rem + 1.4vw, 2.25rem);
  line-height: 1.24;
  color: var(--bone-dim);
}

.case-brief {
  position: relative;
  padding: 1.5rem 0 0 1.5rem;
}

.case-brief::before,
.case-brief::after {
  content: "";
  position: absolute;
  background: var(--accent);
}

.case-brief::before { left: 0; top: 0; width: 1px; height: 4.5rem; }
.case-brief::after { left: 0; top: 0; width: 4.5rem; height: 1px; }
.case-brief dl { margin: 0; border-top: var(--rule); }
.case-brief dl > div { padding: 0.85rem 0; border-bottom: var(--rule); }
.case-brief dt {
  margin-bottom: 0.25rem;
  font: 500 0.6rem/1.2 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bone-faint);
}
.case-brief dd { margin: 0; color: var(--bone-dim); font-size: 0.92rem; }
.private-mark { color: var(--accent); }

.case-thesis {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(1.25rem, 4vw, 3.5rem);
  align-items: start;
  max-width: 58rem;
  margin-left: auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--ink-rule-strong);
}

.case-thesis__index {
  font: 500 0.65rem/1 var(--mono);
  letter-spacing: 0.15em;
  color: var(--accent);
}

.case-thesis p {
  max-width: 42rem;
  font-family: var(--serif);
  font-size: clamp(1.25rem, 1rem + 1vw, 1.9rem);
  line-height: 1.34;
}

/* Interactive exhibit */
.tree-exhibit { padding-block: clamp(4.5rem, 10vw, 9rem); }

.exhibit-head {
  display: grid;
  gap: 2rem 5rem;
  align-items: end;
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
}

@media (min-width: 62rem) {
  .exhibit-head { grid-template-columns: minmax(0, 1.25fr) minmax(18rem, 0.75fr); }
}

.exhibit-head h2 { margin-top: 1rem; }
.exhibit-note { position: relative; padding-left: 1.4rem; border-left: 1px solid var(--accent-deep); }
.exhibit-note p { color: var(--bone-dim); font-size: 0.94rem; }
.privacy-stamp {
  display: inline-block;
  margin-top: 0.5rem;
  padding: 0.45rem 0.65rem;
  border: 1px solid rgba(154, 170, 132, 0.55);
  color: var(--lineage-sage);
  font: 500 0.58rem/1 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transform: rotate(-1deg);
}

.tree-console {
  position: relative;
  border: 1px solid var(--ink-rule-strong);
  background: #0e0d0c;
  box-shadow: 0 2rem 5rem rgba(0, 0, 0, 0.32);
}

.tree-console::before {
  content: "Synthetic archive / recruiter view";
  position: absolute;
  z-index: 3;
  top: -0.8rem;
  right: 1.25rem;
  padding: 0.35rem 0.65rem;
  background: var(--accent-deep);
  color: #fff;
  font: 500 0.55rem/1 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.tree-console__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  padding: 0.9rem clamp(1rem, 3vw, 1.5rem);
  border-bottom: var(--rule);
  background: var(--ink-raised);
}

.person-tabs, .tree-tools { display: flex; flex-wrap: wrap; align-items: center; gap: 0.35rem; }
.person-tab, .tree-tools button {
  appearance: none;
  border: 1px solid var(--ink-rule-strong);
  background: transparent;
  color: var(--bone-dim);
  cursor: pointer;
  font: 500 0.62rem/1 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease), background 0.25s var(--ease), transform 0.25s var(--ease);
}
.person-tab { padding: 0.62rem 0.78rem; }
.tree-tools button { min-width: 2rem; min-height: 2rem; padding: 0.4rem 0.55rem; }
.person-tab:hover, .tree-tools button:hover { color: var(--bone); border-color: var(--accent); }
.person-tab.is-active { color: var(--ink); background: var(--accent); border-color: var(--accent); }
.person-tab:active, .tree-tools button:active { transform: translateY(1px); }
.tree-tools output { width: 3.4rem; text-align: center; color: var(--bone-faint); font: 500 0.6rem/1 var(--mono); }

.tree-console__body { display: grid; }
@media (min-width: 68rem) {
  .tree-console__body { grid-template-columns: minmax(0, 1fr) 18rem; min-height: 35rem; }
}

.tree-viewport {
  overflow: auto;
  min-width: 0;
  min-height: 27rem;
  background: #0b0a09;
  cursor: grab;
  scrollbar-color: var(--accent-deep) var(--ink-raised);
}
.tree-viewport.is-dragging { cursor: grabbing; user-select: none; }

.family-graph {
  display: block;
  width: 100%;
  min-width: 47rem;
  height: auto;
  min-height: 34rem;
}

.graph-generation-labels text {
  fill: var(--bone-faint);
  opacity: 0.58;
  font: 500 9px var(--mono);
  letter-spacing: 1.5px;
}

.graph-edges path {
  fill: none;
  stroke: var(--bone-faint);
  stroke-width: 1.1;
  opacity: 0.2;
  transition: stroke 0.35s var(--ease), opacity 0.35s var(--ease), stroke-width 0.35s var(--ease);
}
.graph-edges path.is-active { stroke: var(--accent); stroke-width: 2; opacity: 0.95; }

.graph-node { cursor: pointer; outline: none; }
.graph-node rect {
  fill: #151311;
  stroke: var(--ink-rule-strong);
  stroke-width: 1;
  transition: fill 0.3s var(--ease), stroke 0.3s var(--ease), opacity 0.3s var(--ease);
}
.graph-node text { fill: var(--bone-dim); font: 500 12px var(--mono); pointer-events: none; }
.graph-node .node-meta { fill: var(--bone-faint); font-size: 8px; letter-spacing: 0.7px; text-transform: uppercase; }
.graph-node--union rect { stroke-dasharray: 3 3; }
.graph-node.is-related rect { fill: rgba(224, 122, 80, 0.07); stroke: rgba(224, 122, 80, 0.52); }
.graph-node.is-selected rect { fill: var(--accent-deep); stroke: var(--accent); stroke-width: 2; filter: drop-shadow(0 8px 14px rgba(0,0,0,.38)); }
.graph-node.is-selected text { fill: #fff; }
.graph-node.is-selected .node-meta { fill: rgba(255,255,255,.72); }
.graph-node.is-muted { opacity: 0.34; }
.graph-node:focus-visible rect { stroke: var(--bone); stroke-width: 2; }

.graph-minimap > rect { fill: rgba(26, 24, 23, 0.9); stroke: var(--ink-rule-strong); }
.graph-minimap path { fill: none; stroke: var(--accent); stroke-width: 1; opacity: 0.55; }
.graph-minimap .graph-minimap__view { fill: none; stroke: var(--bone-dim); stroke-width: 1; stroke-dasharray: 3 2; }

.tree-inspector {
  position: relative;
  padding: clamp(1.5rem, 4vw, 2.25rem);
  border-top: var(--rule);
  background:
    linear-gradient(135deg, rgba(224,122,80,.06), transparent 38%),
    var(--ink-raised);
}
@media (min-width: 68rem) { .tree-inspector { border-top: 0; border-left: var(--rule); } }
.tree-inspector__id { margin: 1.2rem 0 0.3rem; color: var(--bone-faint); font: 500 0.64rem/1 var(--mono); letter-spacing: 0.13em; }
.tree-inspector h3 { font-size: clamp(1.8rem, 1.5rem + 1vw, 2.5rem); margin-bottom: 1rem; }
.tree-inspector > p:not(.tree-inspector__id):not(.tree-inspector__note) { color: var(--bone-dim); font-size: 0.92rem; }
.tree-inspector dl { margin: 1.8rem 0 0; border-top: var(--rule); }
.tree-inspector dl div { display: flex; justify-content: space-between; gap: 1rem; padding: 0.7rem 0; border-bottom: var(--rule); }
.tree-inspector dt { color: var(--bone-faint); font: 500 0.58rem/1.3 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; }
.tree-inspector dd { margin: 0; color: var(--bone); font: 500 0.68rem/1.3 var(--mono); }
.tree-inspector__note { position: absolute; left: 2.25rem; right: 2.25rem; bottom: 1.5rem; color: var(--lineage-sage); font: 500 0.57rem/1.5 var(--mono); letter-spacing: 0.09em; text-transform: uppercase; }
@media (max-width: 67.99rem) { .tree-inspector__note { position: static; margin-top: 1.5rem; } }

/* Narrative and decision ledger */
.case-narrative {
  padding-block: clamp(5rem, 11vw, 10rem);
  border-top: 1px solid var(--ink-rule-strong);
}
.narrative-grid { display: grid; gap: 2.5rem 6rem; }
@media (min-width: 62rem) { .narrative-grid { grid-template-columns: minmax(0, 1.05fr) minmax(20rem, 0.95fr); } }
.narrative-intro h2 { margin-top: 1rem; }
.narrative-intro em { color: var(--accent); }
.narrative-copy { padding-top: 0.3rem; }
.narrative-copy p { color: var(--bone-dim); }
.narrative-copy .dropcap { color: var(--bone); }

.decision-ledger { list-style: none; margin: clamp(4rem, 8vw, 7rem) 0 0; padding: 0; border-top: 1px solid var(--ink-rule-strong); }
.decision {
  display: grid;
  gap: 1rem 2.5rem;
  padding: clamp(1.75rem, 4vw, 3rem) 0;
  border-bottom: var(--rule);
}
@media (min-width: 64rem) { .decision { grid-template-columns: 5rem minmax(0, 1fr) 14rem; align-items: start; } }
.decision__no { font: 400 clamp(2.8rem, 2rem + 2.4vw, 4.5rem)/0.8 var(--serif); color: var(--bone-faint); }
.decision h3 { margin: 0.65rem 0 0.8rem; font-size: clamp(1.45rem, 1.2rem + 1vw, 2.1rem); }
.decision p { color: var(--bone-dim); max-width: 45rem; }
.decision__signal { align-self: center; color: var(--accent); font: 500 0.61rem/1.6 var(--mono); letter-spacing: 0.11em; text-transform: uppercase; }
@media (min-width: 64rem) { .decision__signal { text-align: right; } }

/* Architecture: deliberately reads like a system diagram, not cards. */
.architecture { padding-block: clamp(4rem, 9vw, 8rem); background: var(--bone); color: var(--ink); }
.architecture .label { color: #716b62; }
.architecture .label--accent { color: #a74322; }
.architecture__head { display: grid; gap: 1rem 3rem; margin-bottom: clamp(3rem, 6vw, 5rem); }
@media (min-width: 60rem) { .architecture__head { grid-template-columns: 14rem minmax(0, 1fr); } }

.architecture-map {
  display: grid;
  gap: 1.25rem;
  align-items: stretch;
  position: relative;
}
@media (min-width: 68rem) {
  .architecture-map { grid-template-columns: minmax(13rem, .8fr) 9rem minmax(18rem, 1.2fr) 10rem minmax(13rem, .8fr); }
}
.architecture-node { position: relative; padding: 1.4rem; border: 1px solid rgba(18,16,14,.28); background: rgba(255,255,255,.18); }
.architecture-node__index { position: absolute; right: 0.65rem; top: 0.55rem; font: 500 0.6rem/1 var(--mono); color: #8e877d; }
.architecture-node h3 { margin: 0.7rem 0 0.5rem; font-size: clamp(1.35rem, 1.1rem + .8vw, 1.8rem); }
.architecture-node p { color: #645e55; font-size: 0.88rem; }
.architecture-node--client { align-self: center; }
.architecture-node--canonical { align-self: center; border-color: #a74322; box-shadow: .55rem .55rem 0 rgba(167,67,34,.12); }
.architecture-services { display: grid; gap: 0.65rem; }
.architecture-services .architecture-node { min-height: 7.5rem; }
.architecture-flow { display: grid; place-items: center; gap: 0.5rem; color: #716b62; text-align: center; font: 500 0.55rem/1.4 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.architecture-flow i { color: #a74322; font: normal 2rem/1 var(--serif); }
.architecture-gate { display: grid; place-items: center; position: relative; min-height: 8rem; }
.architecture-gate__line { position: absolute; top: 0; bottom: 0; left: 50%; width: 1px; background: #a74322; }
.architecture-gate > div { position: relative; padding: 1rem; border: 1px solid #a74322; background: var(--bone); text-align: center; transform: rotate(-1deg); }
.architecture-gate strong, .architecture-gate span:not(.label):not(.architecture-gate__line) { display: block; }
.architecture-gate strong { margin: .5rem 0 .25rem; font-family: var(--serif); font-size: 1.05rem; }
.architecture-gate span:not(.label):not(.architecture-gate__line) { color: #716b62; font: .58rem var(--mono); text-transform: uppercase; letter-spacing: .08em; }
@media (max-width: 67.99rem) {
  .architecture-flow { min-height: 4rem; }
  .architecture-flow i { transform: rotate(90deg); }
  .architecture-gate__line { left: 0; right: 0; top: 50%; bottom: auto; width: auto; height: 1px; }
}

/* Outcome */
.case-outcome { padding-block: clamp(5rem, 11vw, 10rem); }
.case-outcome__grid { display: grid; gap: 2.5rem 6rem; }
@media (min-width: 62rem) { .case-outcome__grid { grid-template-columns: minmax(0, 1.05fr) minmax(20rem, .95fr); align-items: end; } }
.case-outcome__grid h2 { margin-top: 1rem; }
.case-outcome__copy p:first-child { font-size: clamp(1.12rem, 1rem + .45vw, 1.35rem); color: var(--bone); }

.technical-ledger { display: grid; gap: 1.5rem 3rem; margin-top: clamp(4rem, 8vw, 7rem); padding-top: 1.25rem; border-top: 1px solid var(--ink-rule-strong); }
@media (min-width: 60rem) { .technical-ledger { grid-template-columns: 14rem minmax(0, 1fr); } }
.technical-ledger ul { list-style: none; margin: 0; padding: 0; }
.technical-ledger li { display: grid; gap: .35rem 2rem; padding: .9rem 0; border-bottom: var(--rule); }
@media (min-width: 38rem) { .technical-ledger li { grid-template-columns: 10rem minmax(0, 1fr); align-items: baseline; } }
.technical-ledger li span { color: var(--bone-faint); font: 500 .61rem/1.4 var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.technical-ledger li strong { color: var(--bone-dim); font-size: .94rem; font-weight: 400; }

.case-next {
  display: grid;
  gap: 1.5rem 3rem;
  align-items: center;
  margin-top: clamp(4rem, 8vw, 7rem);
  padding: clamp(1.5rem, 4vw, 2.75rem);
  border: 1px solid var(--ink-rule-strong);
  background: var(--ink-raised);
}
@media (min-width: 64rem) { .case-next { grid-template-columns: 8rem minmax(0, 1fr) auto; } }
.case-next__index { color: var(--accent); font: 500 .62rem/1.4 var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.case-next h2 { font-size: clamp(2rem, 1.5rem + 2vw, 3.4rem); }
.case-next p { color: var(--bone-dim); font-size: .9rem; }
.case-page .colophon a { text-decoration-color: var(--accent); text-underline-offset: .25em; }

@media (max-width: 44rem) {
  .case-hero { min-height: 0; }
  .case-hero__top { align-items: flex-start; }
  .case-title { font-size: clamp(4.2rem, 24vw, 7rem); }
  .tree-console::before { display: none; }
  .person-tabs { width: 100%; }
  .person-tab { flex: 1 1 calc(50% - .35rem); }
  .tree-tools { width: 100%; justify-content: flex-end; }
  .tree-viewport { min-height: 24rem; }
  .family-graph { min-height: 27rem; }
  .graph-minimap { display: none; }
}

@media print {
  .tree-tools, .person-tabs, .case-next .btn { display: none !important; }
  .architecture { background: #fff; }
}