/* Diagram-specific styles */

/* --- Ontology stack --- */
.ontology {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 32px;
  align-items: stretch;
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 28px;
  background: var(--surface-soft);
}
@media (max-width: 720px) { .ontology { grid-template-columns: 1fr; } }

.ontology-stack {
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.layer {
  display: grid;
  grid-template-columns: 36px 1fr 110px;
  align-items: center;
  gap: 12px;
  padding: 14px 4px;
  border-top: 1px solid var(--rule-soft);
  cursor: default;
  transition: background .2s ease, color .2s ease;
}
.layer:first-child { border-top: 0; }
.layer .layer-n {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-mute);
  letter-spacing: 0.08em;
}
.layer .layer-name {
  font-family: var(--sans);
  font-size: 15px;
  letter-spacing: -0.005em;
  color: var(--ink-soft);
}
.layer .layer-bar {
  height: 8px;
  background: var(--rule-soft);
  border-radius: 1px;
  overflow: hidden;
}
.layer .layer-bar span {
  display: block;
  height: 100%;
  background: var(--ink-faint);
  transition: width .35s ease, background .25s ease;
}
.layer.on {
  background: color-mix(in oklab, var(--accent) 8%, transparent);
  color: var(--ink);
}
.layer.on .layer-n { color: var(--ink); }
.layer.on .layer-name { color: var(--ink); font-weight: 500; }
.layer.on .layer-bar span { background: var(--accent); }

.ontology-detail {
  border-left: 1px solid var(--rule);
  padding: 8px 0 8px 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
@media (max-width: 720px) {
  .ontology-detail { border-left: 0; border-top: 1px solid var(--rule); padding: 24px 0 0; }
}
.ontology-detail-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.ontology-detail-name {
  font-family: var(--display);
  font-size: clamp(28px, 2.6vw, 40px);
  line-height: 1.05;
  letter-spacing: -0.015em;
}
.ontology-detail-note {
  color: var(--ink-soft);
  font-size: 15.5px;
  max-width: 36ch;
}
.ontology-trace {
  margin-top: auto;
  display: flex;
  gap: 12px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--ink-mute);
  padding-top: 16px;
  border-top: 1px dashed var(--rule);
}
.ontology-trace .k { color: var(--ink); }

/* --- Teaser / Know more state --- */
.ontology-stack-wrap { position: relative; }

.layer.is-blurred {
  filter: blur(4px);
  opacity: 0.55;
  pointer-events: none;
  user-select: none;
  transition: filter .35s ease, opacity .35s ease;
}
.ontology-zone-label.is-blurred {
  filter: blur(3px);
  opacity: 0.55;
  pointer-events: none;
  user-select: none;
}
.ontology.is-revealed .layer,
.ontology.is-revealed .ontology-zone-label {
  filter: none;
  opacity: 1;
  pointer-events: auto;
}

.ontology-cta-overlay {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 4px 4px;
  background: linear-gradient(
    to top,
    var(--surface-soft) 0%,
    var(--surface-soft) 38%,
    color-mix(in oklab, var(--surface-soft) 92%, transparent) 70%,
    transparent 100%
  );
  pointer-events: none;
  /* Pull overlay up so it visually covers the blurred lower half */
  height: 58%;
  bottom: 0;
  align-items: flex-end;
}

.ontology-cta-meta {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  pointer-events: auto;
}
.ontology-cta-count {
  font-family: var(--display);
  font-style: italic;
  font-size: 17px;
  letter-spacing: -0.005em;
  color: var(--ink);
}
.ontology-cta-dot {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-faint);
}
.ontology-cta-hint {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.ontology-cta {
  pointer-events: auto;
  appearance: none;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0.005em;
  padding: 11px 18px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  border-radius: 2px;
  transition: background .18s ease, color .18s ease, transform .18s ease;
}
.ontology-cta:hover {
  background: var(--paper);
  color: var(--ink);
}
.ontology-cta:hover svg { transform: translateX(2px); }
.ontology-cta svg { transition: transform .18s ease; }
.ontology-cta:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.ontology-detail-teaser {
  font-family: var(--sans);
  font-size: 13.5px;
  color: var(--ink-mute);
  max-width: 38ch;
  padding: 14px 14px;
  border: 1px dashed var(--rule);
  border-radius: 4px;
  background: color-mix(in oklab, var(--accent) 4%, transparent);
}

@media (max-width: 720px) {
  .ontology-cta-overlay {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
}

/* --- Work split --- */
.worksplit {
  display: grid;
  grid-template-columns: 1fr 40px 1fr;
  gap: 0;
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: var(--surface-soft);
  overflow: hidden;
}
@media (max-width: 760px) {
  .worksplit { grid-template-columns: 1fr; }
  .ws-divider { display: none !important; }
}
.ws-col { padding: 32px 28px; display: flex; flex-direction: column; gap: 18px; }
.ws-col.ws-old { color: var(--ink-mute); }
.ws-col.ws-new { color: var(--ink); background: var(--surface-strong); }
.ws-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.ws-title {
  font-family: var(--display);
  font-size: clamp(24px, 2.4vw, 36px);
  letter-spacing: -0.015em;
  line-height: 1.05;
}
.ws-col ol {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  counter-reset: ws;
  font-size: 15px;
}
.ws-col ol li {
  counter-increment: ws;
  padding: 8px 0;
  border-top: 1px solid var(--rule-soft);
  display: grid;
  grid-template-columns: 28px 1fr;
  align-items: center;
  gap: 12px;
}
.ws-col ol li::before {
  content: counter(ws, decimal-leading-zero);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
}
.ws-col.ws-new ol li::before { color: var(--accent-deep); }

.ws-diagram { width: 100%; height: 56px; color: var(--ink-faint); margin-top: 8px; }
.ws-col.ws-new .ws-graph { color: var(--accent-deep); }

.ws-foot {
  margin-top: auto;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-mute);
  padding-top: 16px;
  border-top: 1px dashed var(--rule);
}

.ws-divider {
  background: var(--rule);
  width: 1px;
  position: relative;
  margin: 0 auto;
}
.ws-divider span {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  background: var(--surface-soft);
  font-family: var(--display);
  font-style: italic;
  font-size: 18px;
  color: var(--ink-mute);
  padding: 6px 0;
}

/* --- Leakage --- */
.leakage {
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: var(--surface-soft);
  padding: 28px;
}
.leakage-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--rule);
}
.leakage-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-mute);
}
.leakage-figure {
  font-family: var(--display);
  font-size: clamp(40px, 5vw, 72px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-top: 4px;
}
.leakage-note {
  font-size: 14px;
  color: var(--ink-soft);
  max-width: 44ch;
  margin-top: 8px;
}
.leakage-legend {
  display: flex;
  gap: 18px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-mute);
  align-items: center;
}
.leakage-legend .dot {
  display: inline-block;
  width: 8px; height: 8px; margin-right: 6px;
  transform: translateY(1px);
}
.leakage-legend .dot.earned { background: var(--ink); }
.leakage-legend .dot.leak { background: var(--accent); }

.leakage-lanes {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 0;
}
.lane {
  display: grid;
  grid-template-columns: 70px 1fr 56px;
  align-items: center;
  gap: 16px;
}
.lane-label {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--ink-mute);
}
.lane-track {
  position: relative;
  height: 10px;
  background: var(--ink);
  border-radius: 1px;
  overflow: hidden;
}
.leak {
  position: absolute;
  top: -1px;
  width: 4px;
  height: 12px;
  background: var(--accent);
  transform: translateX(-50%);
}
.lane-num {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--ink-soft);
  text-align: right;
  letter-spacing: 0.04em;
}

.leakage-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 18px;
  border-top: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
}

/* --- Twin graph --- */
.twin-graph {
  width: 100%;
  aspect-ratio: 1 / 1;
  max-height: 520px;
  display: block;
  background: var(--surface-soft);
  border: 1px solid var(--rule);
  border-radius: 6px;
}


/* --- Ontology zones (3-zone grouping over 7 layers) --- */
.ontology-zone {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding-top: 14px;
  border-top: 1px solid var(--rule);
}
.ontology-zone:first-child { border-top: 0; padding-top: 0; }
.ontology-zone-label {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
  padding: 0 0 8px 4px;
}
.ontology-zone-num { color: var(--ink-faint); }
.ontology-zone-name { color: var(--ink-soft); }