/* ============================================
   INFRASTRUCTURE DEEP DIVE — section styles
   ============================================
   Scoped under .map-infra. Uses portfolio-wide tokens
   plus the --infra-* tokens declared in ai-map.css
   (infra-bg #1E1830, infra-t #A89CE0, infra-bd #7F77DD).
   ============================================ */

.map-infra {
  padding: 80px 0 64px;
  border-top: 1px solid var(--border-light);
  background:
    radial-gradient(60% 50% at 80% 0%, rgba(168, 156, 224, 0.045), transparent 60%),
    radial-gradient(45% 40% at 5% 30%, rgba(127, 119, 221, 0.035), transparent 60%);
}

.map-infra-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.map-infra-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--infra-t);
  margin: 0 0 12px;
}
.map-infra-title {
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.12;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 0 0 14px;
  max-width: 22ch;
}
.map-infra-thesis {
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-secondary);
  max-width: 720px;
  margin: 0;
}
.map-infra-thesis em { font-style: italic; color: var(--infra-t); }

.map-infra-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
  border: 1px solid var(--border-light);
  background: var(--bg-alt);
  padding: 6px 10px;
  border-radius: 999px;
  white-space: nowrap;
}
.map-infra-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--infra-bd);
  border-radius: 50%;
}

/* ============================================
   INTEL SUMMARY
   ============================================ */
.map-infra-intel {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 10px;
  margin: 12px 0 28px;
}
.map-infra-intel-card {
  background: linear-gradient(180deg, rgba(168, 156, 224, 0.05), transparent 90%), var(--bg-alt);
  border: 1px solid var(--border-light);
  border-left: 2px solid var(--infra-bd);
  border-radius: 10px;
  padding: 14px 16px 14px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.map-infra-intel-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--infra-t);
  font-weight: 700;
}
.map-infra-intel-h {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  margin: 0;
  line-height: 1.4;
  letter-spacing: -0.005em;
}
.map-infra-intel-d {
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--text-secondary);
  margin: 0;
}

/* ============================================
   FLOW CHAIN
   ============================================ */
.map-infra-flow-wrap {
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 22px 24px;
  margin: 0 0 32px;
}
.map-infra-flow-h-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--infra-t);
  margin: 0 0 14px;
}
.map-infra-flow {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 8px;
}
.map-infra-flow-step {
  background: var(--bg);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: border-color 0.18s ease;
}
.map-infra-flow-step:hover { border-color: var(--infra-bd); }
.map-infra-flow-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--infra-bd);
  box-shadow: 0 0 0 4px rgba(127, 119, 221, 0.14);
  margin-bottom: 2px;
}
.map-infra-flow-h {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  margin: 0;
  letter-spacing: -0.005em;
}
.map-infra-flow-d {
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0;
}

/* ============================================
   OVERVIEW PILLS
   ============================================ */
.map-infra-pills {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 10px;
  margin: 0 0 36px;
}
.map-infra-pill {
  text-align: left;
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  border-left: 3px solid var(--infra-bd);
  border-radius: 10px;
  padding: 14px 16px;
  font-family: inherit;
  color: inherit;
  cursor: pointer;
  transition: border-color 0.18s ease, transform 0.18s ease;
}
.map-infra-pill:hover,
.map-infra-pill:focus-visible {
  border-color: var(--infra-bd);
  transform: translateY(-1px);
  outline: none;
}
.map-infra-pill-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--infra-t);
  margin-bottom: 6px;
}
.map-infra-pill-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 6px;
  line-height: 1.35;
  letter-spacing: -0.005em;
}
.map-infra-pill-text {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0;
}

/* ============================================
   TABS
   ============================================ */
.map-infra-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--border-light);
}
.map-infra-tab {
  appearance: none;
  background: transparent;
  border: none;
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-tertiary);
  padding: 10px 14px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}
.map-infra-tab:hover { color: var(--text-secondary); }
.map-infra-tab.is-active {
  color: var(--infra-t);
  border-bottom-color: var(--infra-bd);
}
.map-infra-pane { display: none; }
.map-infra-pane.is-active { display: block; }

.map-infra-h2 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 0 0 8px;
}
.map-infra-sub {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--text-secondary);
  margin: 0 0 20px;
  max-width: 720px;
}

/* ============================================
   PRIMITIVE CARDS + LADDER
   ============================================ */
.map-infra-prims {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 10px;
}
.map-infra-prim {
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  border-left: 3px solid var(--infra-bd);
  border-radius: 10px;
  padding: 14px 16px;
}
.map-infra-prim-h {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 4px;
  letter-spacing: -0.005em;
}
.map-infra-prim-d {
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--text-secondary);
  margin: 0;
}

.map-infra-ladder {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 24px;
}
.map-infra-ladder-row {
  display: grid;
  grid-template-columns: 32px 220px 1fr;
  gap: 14px;
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 12px 14px;
  align-items: center;
}
.map-infra-ladder-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  color: var(--infra-t);
  text-align: center;
  letter-spacing: 0.04em;
}
.map-infra-ladder-h {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.005em;
}
.map-infra-ladder-d {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--text-secondary);
}
@media (max-width: 720px) {
  .map-infra-ladder-row { grid-template-columns: 28px 1fr; }
  .map-infra-ladder-d { grid-column: 2; font-size: 12px; }
}

/* ============================================
   STACK
   ============================================ */
.map-infra-stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.map-infra-stack-row {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 14px;
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  border-left: 3px solid var(--infra-bd);
  border-radius: 10px;
  padding: 16px 18px;
}
.map-infra-stack-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 22px;
  font-weight: 800;
  color: var(--infra-t);
  background: rgba(127, 119, 221, 0.16);
  border: 1px solid rgba(127, 119, 221, 0.4);
  border-radius: 8px;
  padding: 6px 0;
  text-align: center;
  align-self: start;
  letter-spacing: -0.02em;
}
.map-infra-stack-h {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 6px;
  letter-spacing: -0.005em;
}
.map-infra-stack-items {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 6px 0 8px;
}
.map-infra-stack-pill {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-secondary);
  border: 1px solid var(--border-light);
  background: var(--bg);
  padding: 3px 8px;
  border-radius: 999px;
}
.map-infra-stack-note {
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-secondary);
  margin: 0;
}

/* ============================================
   GENERIC BLOCK (training, inference, network, storage, factory, reliability)
   ============================================ */
.map-infra-block {
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 22px 24px;
  margin-bottom: 20px;
}
.map-infra-block-h {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 0 0 8px;
}
.map-infra-block-sub {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 0 0 16px;
  line-height: 1.65;
  max-width: 720px;
}
.map-infra-block-list {
  margin: 0 0 16px;
  padding-left: 20px;
}
.map-infra-block-list li {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.map-infra-block-list li::marker { color: var(--infra-bd); }
.map-infra-block-call {
  font-size: 13px;
  line-height: 1.7;
  color: var(--text);
  background: rgba(127, 119, 221, 0.07);
  border-left: 2px solid var(--infra-bd);
  padding: 10px 14px;
  border-radius: 0 6px 6px 0;
  margin: 12px 0 0;
}
.map-infra-block-call strong {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--infra-t);
  margin-bottom: 4px;
  font-weight: 700;
}
.map-infra-econ-h {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 10px;
}

/* Sub-grids of small cards used inside blocks */
.map-infra-mini {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 8px;
  margin-top: 10px;
}
.map-infra-mini-card {
  background: var(--bg);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 10px 12px;
}
.map-infra-mini-h {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 4px;
  letter-spacing: -0.005em;
}
.map-infra-mini-d {
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0;
}

/* Hierarchy 2-column rows */
.map-infra-hierarchy {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin-top: 12px;
}
.map-infra-hier-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 14px;
  font-size: 13px;
  color: var(--text-secondary);
  border-bottom: 1px dashed var(--border-light);
  padding: 6px 0;
  line-height: 1.6;
}
.map-infra-hier-row:last-child { border-bottom: none; }
.map-infra-hier-h {
  color: var(--text);
  font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.04em;
}
@media (max-width: 600px) {
  .map-infra-hier-row { grid-template-columns: 1fr; gap: 2px; }
}

/* Serving systems comparison cards */
.map-infra-serving {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 10px;
  margin-top: 12px;
}
.map-infra-serving-card {
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  border-left: 3px solid var(--infra-bd);
  border-radius: 10px;
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.map-infra-serving-name {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--infra-t);
  margin: 0 0 2px;
}
.map-infra-serving-best {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 6px;
  letter-spacing: -0.005em;
}
.map-infra-serving-row {
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--text-secondary);
  margin: 0;
}
.map-infra-serving-row strong {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--infra-t);
  margin-right: 6px;
}

/* Scheduler comparison table */
.map-infra-sched {
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 22px;
}
.map-infra-sched-row {
  display: grid;
  grid-template-columns: 160px 1.4fr 1.4fr 1.4fr 1.4fr;
  gap: 14px;
  padding: 12px 16px;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-light);
}
.map-infra-sched-row:last-child { border-bottom: none; }
.map-infra-sched-row--head {
  background: rgba(127, 119, 221, 0.06);
  color: var(--infra-t);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 700;
}
.map-infra-sched-name { color: var(--text); font-weight: 700; font-size: 13px; }
@media (max-width: 880px) {
  .map-infra-sched-row { grid-template-columns: 1fr; gap: 4px; padding: 14px 16px; }
  .map-infra-sched-row--head { display: none; }
  .map-infra-sched-row .map-infra-sched-name { font-size: 14px; }
  .map-infra-sched-row > div::before {
    font-family: 'JetBrains Mono', monospace;
    font-size: 9.5px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--infra-t);
    display: block;
    margin-bottom: 2px;
  }
  .map-infra-sched-row > div:nth-child(2)::before { content: 'Purpose'; }
  .map-infra-sched-row > div:nth-child(3)::before { content: 'Best for'; }
  .map-infra-sched-row > div:nth-child(4)::before { content: 'Weak'; }
  .map-infra-sched-row > div:nth-child(5)::before { content: 'Mental model'; }
}

/* MLOps lifecycle */
.map-infra-lifecycle {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 8px;
  margin-top: 10px;
}
.map-infra-life-step {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 10px;
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 12px 14px;
}
.map-infra-life-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  color: var(--infra-t);
  background: rgba(127, 119, 221, 0.14);
  border: 1px solid rgba(127, 119, 221, 0.36);
  border-radius: 6px;
  padding: 6px 0;
  text-align: center;
}
.map-infra-life-h {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 2px;
  letter-spacing: -0.005em;
}
.map-infra-life-d {
  font-size: 12px;
  line-height: 1.55;
  color: var(--text-secondary);
  margin: 0;
}

.map-infra-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 12px 0 0;
}
.map-infra-tool-pill {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-secondary);
  border: 1px solid var(--border-light);
  background: var(--bg);
  padding: 4px 9px;
  border-radius: 999px;
}

/* Cloud DC vs AI Factory comparison */
.map-infra-compare {
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  overflow: hidden;
}
.map-infra-compare-row {
  display: grid;
  grid-template-columns: 1fr 1.6fr 1.6fr;
  gap: 12px;
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-light);
}
.map-infra-compare-row:last-child { border-bottom: none; }
.map-infra-compare-row--head {
  background: rgba(127, 119, 221, 0.06);
  color: var(--infra-t);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 700;
}
.map-infra-compare-axis { color: var(--text); font-weight: 600; }
@media (max-width: 720px) {
  .map-infra-compare-row { grid-template-columns: 1fr; gap: 4px; padding: 14px 16px; }
  .map-infra-compare-row--head { display: none; }
  .map-infra-compare-row .map-infra-compare-axis { font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--infra-t); }
}

/* Reliability metrics + topics */
.map-infra-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 10px;
}
.map-infra-metric {
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 12px 14px;
}
.map-infra-metric-h {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 4px;
  letter-spacing: -0.005em;
}
.map-infra-metric-d {
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0;
}

/* Bottleneck symptom-cause table */
.map-infra-bottle {
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  overflow: hidden;
  margin-top: 12px;
}
.map-infra-bottle-row {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 14px;
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-light);
}
.map-infra-bottle-row:last-child { border-bottom: none; }
.map-infra-bottle-row--head {
  background: rgba(127, 119, 221, 0.06);
  color: var(--infra-t);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 700;
}
.map-infra-bottle-symptom { color: var(--text); font-weight: 600; }
@media (max-width: 600px) {
  .map-infra-bottle-row { grid-template-columns: 1fr; gap: 4px; }
  .map-infra-bottle-row--head { display: none; }
  .map-infra-bottle-row .map-infra-bottle-symptom { font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--infra-t); }
}

/* ============================================
   CALCULATOR
   ============================================ */
.map-infra-calc {
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 22px 24px;
  margin-bottom: 24px;
}
.map-infra-calc-h {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 6px;
}
.map-infra-calc-sub {
  font-size: 12.5px;
  color: var(--text-tertiary);
  margin: 0 0 16px;
}
.map-infra-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 14px;
}
.map-infra-preset {
  appearance: none;
  background: var(--bg);
  border: 1px solid var(--border-light);
  border-radius: 999px;
  padding: 7px 12px;
  font-family: inherit;
  font-size: 11.5px;
  color: var(--text-secondary);
  cursor: pointer;
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  transition: border-color 0.18s ease, color 0.18s ease, background 0.18s ease;
}
.map-infra-preset:hover { border-color: var(--infra-bd); color: var(--text); }
.map-infra-preset.is-active {
  border-color: var(--infra-bd);
  background: rgba(127, 119, 221, 0.12);
  color: var(--infra-t);
}
.map-infra-preset-mw {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  color: var(--infra-t);
}
.map-infra-preset-name { font-size: 11.5px; }

.map-infra-calc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}
.map-infra-calc-field { display: flex; flex-direction: column; gap: 4px; }
.map-infra-calc-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}
.map-infra-calc-input {
  background: var(--bg);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 9px 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--text);
}
.map-infra-calc-input::-webkit-outer-spin-button,
.map-infra-calc-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.map-infra-calc-input:focus { outline: none; border-color: var(--infra-bd); }

.map-infra-calc-out {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 14px;
  border-top: 1px dashed var(--border-light);
  padding-top: 14px;
}
.map-infra-calc-out-h {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin: 0 0 4px;
}
.map-infra-calc-out-val {
  font-size: 22px;
  font-weight: 700;
  color: var(--infra-t);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
  margin: 0;
}
.map-infra-calc-warn {
  margin-top: 14px;
  font-size: 12px;
  color: var(--text-tertiary);
  font-style: italic;
}

/* ============================================
   MISCONCEPTIONS
   ============================================ */
.map-infra-myths {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 10px;
  margin-top: 16px;
}
.map-infra-myth {
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  border-radius: 10px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.map-infra-myth-h,
.map-infra-myth-d {
  font-size: 13px;
  line-height: 1.65;
  margin: 0;
}
.map-infra-myth-h {
  color: var(--text-tertiary);
  text-decoration: line-through;
  text-decoration-color: rgba(248, 113, 113, 0.45);
}
.map-infra-myth-d { color: var(--text); }
.map-infra-myth-d em { font-style: normal; color: var(--infra-t); font-weight: 600; }
.map-infra-myth-tag {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  margin-right: 8px;
  color: #f0a070;
  border: 1px solid rgba(240, 144, 96, 0.32);
  background: rgba(240, 144, 96, 0.08);
  vertical-align: middle;
  text-decoration: none;
}
.map-infra-myth-h .map-infra-myth-tag { text-decoration: none; }
.map-infra-myth-tag--truth {
  color: var(--infra-t);
  border-color: rgba(168, 156, 224, 0.36);
  background: rgba(168, 156, 224, 0.10);
}

/* ============================================
   STRATEGIC SUMMARY
   ============================================ */
.map-infra-strategic {
  background: linear-gradient(180deg, rgba(168, 156, 224, 0.08), transparent 95%), var(--bg-alt);
  border: 1px solid rgba(168, 156, 224, 0.36);
  border-radius: 14px;
  padding: 32px 36px;
  margin-top: 36px;
}
.map-infra-strategic-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--infra-t);
  margin: 0 0 8px;
}
.map-infra-strategic-h {
  font-size: clamp(22px, 2.6vw, 28px);
  font-weight: 700;
  color: var(--text);
  margin: 0 0 12px;
  letter-spacing: -0.015em;
  line-height: 1.2;
}
.map-infra-take-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.map-infra-take-list li {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text);
  position: relative;
  padding-left: 22px;
}
.map-infra-take-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--infra-bd);
  font-weight: 700;
}
.map-infra-strategic-final {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-secondary);
  font-style: italic;
  margin: 18px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--border-light);
}
@media (max-width: 600px) { .map-infra-strategic { padding: 22px 22px; } }

/* ============================================
   SOURCES
   ============================================ */
.map-infra-sources {
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
}
.map-infra-sources-h {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin: 0 0 12px;
}
.map-infra-sources-grouped {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}
.map-infra-srcgrp-h {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin: 0 0 8px;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 6px;
}
.map-infra-srcgrp-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.map-infra-srcgrp-list li {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--text-secondary);
}
.map-infra-srcgrp-list a {
  color: var(--infra-t);
  text-decoration: none;
  border-bottom: 1px dotted rgba(168, 156, 224, 0.32);
  transition: color 0.18s ease, border-color 0.18s ease;
}
.map-infra-srcgrp-list a:hover {
  color: var(--text);
  border-bottom-color: var(--text);
}

/* ============================================
   MINI-CARD NUMBERED VARIANT (prompt flow + training lifecycle)
   ============================================ */
.map-infra-mini-n {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px;
  letter-spacing: 0.16em;
  color: var(--infra-t);
  font-weight: 700;
  margin-right: 8px;
  display: inline-block;
}

/* ============================================
   TRAIN vs INFERENCE TABLE
   ============================================ */
.map-infra-tvi {
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  overflow: hidden;
  margin: 14px 0 22px;
}
.map-infra-tvi-row {
  display: grid;
  grid-template-columns: 1.1fr 1.6fr 1.6fr;
  gap: 12px;
  padding: 10px 14px;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-light);
}
.map-infra-tvi-row:last-child { border-bottom: none; }
.map-infra-tvi-row--head {
  background: rgba(127, 119, 221, 0.06);
  color: var(--infra-t);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 700;
}
.map-infra-tvi-axis { color: var(--text); font-weight: 600; }
@media (max-width: 720px) {
  .map-infra-tvi-row { grid-template-columns: 1fr; gap: 4px; padding: 12px 14px; }
  .map-infra-tvi-row--head { display: none; }
  .map-infra-tvi-row .map-infra-tvi-axis {
    font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--infra-t);
  }
  .map-infra-tvi-row > div::before {
    font-family: 'JetBrains Mono', monospace;
    font-size: 9.5px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-tertiary);
    display: block;
    margin-bottom: 2px;
  }
  .map-infra-tvi-row > div:nth-child(2)::before { content: 'Training'; }
  .map-infra-tvi-row > div:nth-child(3)::before { content: 'Inference'; }
}

/* ============================================
   DECISION MATRIX
   ============================================ */
.map-infra-decision {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 10px;
  margin-top: 12px;
}
.map-infra-decision-card {
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  border-left: 3px solid var(--infra-bd);
  border-radius: 10px;
  padding: 16px 18px;
}
.map-infra-decision-q {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 10px;
  letter-spacing: -0.005em;
  line-height: 1.35;
}
.map-infra-decision-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px 12px;
  margin: 0;
}
.map-infra-decision-grid dt {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--infra-t);
  font-weight: 700;
  margin: 0;
}
.map-infra-decision-grid dt:nth-of-type(4) { color: #f0a070; }   /* Avoid */
.map-infra-decision-grid dd {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 2px 0 4px;
}
.map-infra-decision-tools { font-family: 'JetBrains Mono', monospace; font-size: 11.5px; }
.map-infra-decision-avoid { color: #f0c4a4; }

/* ============================================
   INFERENCE DIAGNOSTICS
   ============================================ */
.map-infra-diag {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 10px;
  margin-top: 12px;
}
.map-infra-diag-card {
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  border-left: 3px solid #f0a070;
  border-radius: 10px;
  padding: 14px 16px;
}
.map-infra-diag-h {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 8px;
  letter-spacing: -0.005em;
}
.map-infra-diag-list { margin: 0; padding-left: 18px; }
.map-infra-diag-list li {
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--text-secondary);
  margin-bottom: 4px;
}
.map-infra-diag-list li::marker { color: #f0a070; }

/* ============================================
   OBSERVABILITY CONTROL ROOM
   ============================================ */
.map-infra-obs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 8px;
  margin: 14px 0;
}
.map-infra-obs-card {
  background: var(--bg);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 10px 12px;
  position: relative;
}
.map-infra-obs-card::before {
  content: '';
  position: absolute;
  top: 8px;
  right: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--infra-bd);
  box-shadow: 0 0 0 3px rgba(127, 119, 221, 0.18);
  opacity: 0.6;
}
.map-infra-obs-h {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 4px;
  letter-spacing: -0.005em;
}
.map-infra-obs-d {
  font-size: 11.5px;
  line-height: 1.55;
  color: var(--text-secondary);
  margin: 0;
}

/* ============================================
   REFERENCE ARCHITECTURES
   ============================================ */
.map-infra-archs {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 12px;
  margin-top: 12px;
}
.map-infra-arch-card {
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  border-left: 3px solid var(--infra-bd);
  border-radius: 12px;
  padding: 18px 20px;
}
.map-infra-arch-head {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 12px;
  margin-bottom: 12px;
}
.map-infra-arch-letter {
  font-family: 'JetBrains Mono', monospace;
  font-size: 18px;
  font-weight: 700;
  color: var(--infra-t);
  background: rgba(127, 119, 221, 0.16);
  border: 1px solid rgba(127, 119, 221, 0.4);
  border-radius: 8px;
  padding: 6px 0;
  text-align: center;
  letter-spacing: -0.02em;
  align-self: start;
}
.map-infra-arch-title {
  font-size: 15.5px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 4px;
  letter-spacing: -0.005em;
}
.map-infra-arch-when {
  font-size: 12px;
  font-style: italic;
  color: var(--text-tertiary);
  margin: 0;
}
.map-infra-arch-blocks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.map-infra-arch-blocks li {
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--text-secondary);
  padding: 4px 0 4px 14px;
  position: relative;
  border-bottom: 1px dashed var(--border-light);
}
.map-infra-arch-blocks li:last-child { border-bottom: none; }
.map-infra-arch-blocks li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 13px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--infra-bd);
}

/* ============================================
   BUILD vs BUY
   ============================================ */
.map-infra-bvb-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 14px 0;
}
@media (max-width: 880px) { .map-infra-bvb-grid { grid-template-columns: 1fr; } }
.map-infra-bvb-card {
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 18px 20px;
}
.map-infra-bvb-card--build  { border-left: 3px solid var(--infra-bd); }
.map-infra-bvb-card--buy    { border-left: 3px solid #5DCAA5; }
.map-infra-bvb-card--hybrid { border-left: 3px solid var(--energy-bd, #D4892A); }
.map-infra-bvb-h {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 10px;
  letter-spacing: -0.005em;
}
.map-infra-bvb-list {
  margin: 0;
  padding-left: 18px;
  list-style: none;
}
.map-infra-bvb-list li {
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-secondary);
  margin-bottom: 6px;
  position: relative;
  padding-left: 14px;
}
.map-infra-bvb-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--infra-bd);
  font-weight: 700;
  font-size: 11px;
}

/* ============================================
   MATURITY MODEL
   ============================================ */
.map-infra-maturity {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 12px;
}
.map-infra-mat-row {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 14px;
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  border-left: 3px solid var(--infra-bd);
  border-radius: 10px;
  padding: 14px 16px;
}
.map-infra-mat-lvl {
  font-family: 'JetBrains Mono', monospace;
  font-size: 16px;
  font-weight: 800;
  color: var(--infra-t);
  background: rgba(127, 119, 221, 0.16);
  border: 1px solid rgba(127, 119, 221, 0.4);
  border-radius: 6px;
  padding: 8px 0;
  text-align: center;
  letter-spacing: -0.02em;
  align-self: start;
}
.map-infra-mat-name {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 4px;
  letter-spacing: -0.005em;
}
.map-infra-mat-d {
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-secondary);
  margin: 0 0 6px;
}
.map-infra-mat-tells {
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-tertiary);
  margin: 0;
  font-style: italic;
}
.map-infra-mat-tells strong {
  font-style: normal;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--infra-t);
  margin-right: 6px;
}

/* ============================================
   BAD PATTERNS
   ============================================ */
.map-infra-bad {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 10px;
  margin-top: 12px;
}
.map-infra-bad-card {
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  border-left: 3px solid #f87171;
  border-radius: 10px;
  padding: 14px 16px;
}
.map-infra-bad-h {
  font-size: 13.5px;
  font-weight: 700;
  color: #f8b1b1;
  margin: 0 0 6px;
  letter-spacing: -0.005em;
}
.map-infra-bad-d {
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--text-secondary);
  margin: 0;
}
.map-infra-bad-d em { font-style: normal; color: var(--infra-t); font-weight: 600; }

/* ============================================
   BOTTLENECK 4-COL TABLE
   ============================================ */
.map-infra-bottle-row {
  grid-template-columns: 1fr 0.8fr 1.4fr 1.4fr;
}
.map-infra-bottle-layer {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--infra-t);
}
@media (max-width: 720px) {
  .map-infra-bottle-row {
    grid-template-columns: 1fr; gap: 4px; padding: 14px 16px;
  }
  .map-infra-bottle-row--head { display: none; }
  .map-infra-bottle-row > div::before {
    font-family: 'JetBrains Mono', monospace;
    font-size: 9.5px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-tertiary);
    display: block;
    margin-bottom: 2px;
  }
  .map-infra-bottle-row > div:nth-child(2)::before { content: 'Layer'; }
  .map-infra-bottle-row > div:nth-child(3)::before { content: 'Cause'; }
  .map-infra-bottle-row > div:nth-child(4)::before { content: 'First check'; }
}

/* ============================================
   ORCHESTRATION WARNING CALLOUT
   ============================================ */
.map-infra-orch-warn {
  background: linear-gradient(180deg, rgba(248, 113, 113, 0.05), transparent 95%), var(--bg-alt);
  border: 1px solid rgba(248, 113, 113, 0.36);
  border-left: 4px solid #f87171;
  border-radius: 10px;
  padding: 14px 18px;
  margin: 0 0 18px;
}
.map-infra-orch-warn-h {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #f8b1b1;
  margin: 0 0 6px;
  font-weight: 700;
}
.map-infra-orch-warn-d {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text);
  margin: 0;
}
.map-infra-orch-warn-d strong { color: var(--infra-t); }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 600px) {
  .map-infra { padding: 56px 0 48px; }
  .map-infra-pills { grid-template-columns: 1fr; }
  .map-infra-intel { grid-template-columns: 1fr; }
  .map-infra-flow  { grid-template-columns: 1fr; }
  .map-infra-tab { padding: 9px 10px; font-size: 12.5px; }
}