.decision-reuse {
  color: var(--teal-strong);
  background: var(--soft-teal);
}

.decision-adapt {
  color: var(--amber);
  background: var(--soft-amber);
}

.decision-study {
  color: var(--blue);
  background: var(--soft-blue);
}

.decision-replace {
  color: var(--red);
  background: var(--soft-red);
}

.reuse-table th:first-child {
  min-width: 180px;
}

.reuse-table td:nth-child(2) {
  min-width: 140px;
}

.reuse-table tbody tr[hidden] {
  display: none;
}

.reuse-flow {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 9px;
}

.reuse-flow .flow-step {
  min-height: 142px;
}

.subsection-heading {
  margin-top: 28px;
}

.validation-ladder {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 8px;
}

.validation-ladder .level-card {
  border-top: 3px solid var(--blue);
}

.validation-ladder .level-card:nth-child(n+4) {
  border-top-color: var(--amber);
}

.validation-ladder .level-card:last-child {
  border-top-color: var(--red);
}

.translation-loop {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
  margin-top: 14px;
}

.translation-node {
  position: relative;
  min-width: 0;
  min-height: 138px;
  padding: 14px;
  border: 1px solid var(--line);
  border-top: 4px solid var(--blue);
  border-radius: 8px;
  background: var(--surface);
}

.translation-node:nth-child(2),
.translation-node:nth-child(5) {
  border-top-color: var(--teal);
}

.translation-node:nth-child(3) {
  border-top-color: var(--amber);
}

.translation-node:nth-child(4) {
  border-top-color: var(--red);
}

.translation-node::after {
  position: absolute;
  top: 50%;
  right: -15px;
  z-index: 2;
  content: "\2192";
  color: var(--muted);
  font-size: 18px;
  font-weight: 900;
  transform: translateY(-50%);
}

.translation-node:last-child::after {
  display: none;
}

.translation-node b,
.translation-node strong,
.translation-node span {
  display: block;
  overflow-wrap: anywhere;
}

.translation-node b {
  color: var(--teal);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.translation-node strong {
  margin: 5px 0;
}

.translation-node span {
  color: var(--muted);
  font-size: 13px;
}

.choice-overview {
  margin-bottom: 28px;
}

.choice-map {
  display: grid;
  gap: 30px;
}

.choice-path {
  min-width: 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.choice-heading {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  column-gap: 18px;
  align-items: baseline;
  margin-bottom: 13px;
}

.choice-heading > span {
  grid-row: 1 / span 2;
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.choice-heading h3,
.choice-heading p {
  margin: 0;
  overflow-wrap: anywhere;
}

.choice-heading p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 14px;
}

.choice-options {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.choice-options.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.choice-option {
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-top: 4px solid var(--blue);
  border-radius: 6px;
  background: var(--surface);
}

.choice-option:nth-child(2) {
  border-top-color: var(--amber);
}

.choice-option:nth-child(3) {
  border-top-color: var(--red);
}

.choice-option.recommended {
  border-top-color: var(--teal);
  background: var(--soft-teal);
}

.choice-option b,
.choice-option strong,
.choice-option span {
  display: block;
  overflow-wrap: anywhere;
}

.choice-option b {
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
}

.choice-option strong {
  margin: 5px 0;
}

.choice-option span {
  color: var(--muted);
  font-size: 13px;
}

.choice-recommendation {
  margin: 10px 0 0;
  padding: 10px 12px;
  border-left: 4px solid var(--teal);
  background: var(--surface-2);
  color: var(--muted);
  font-size: 14px;
}

.choice-recommendation strong {
  color: var(--ink);
}

.lab-route {
  margin-bottom: 14px;
}

.workbook-table {
  margin-top: 18px;
}

.space-top {
  margin-top: 12px;
}

.space-bottom {
  margin-bottom: 12px;
}

.performance-verdict-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.performance-verdict-grid article {
  min-width: 0;
  padding: 14px;
  border-top: 4px solid var(--teal);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.performance-verdict-grid article:nth-child(2),
.performance-verdict-grid article:nth-child(4) {
  border-top-color: var(--amber);
}

.performance-verdict-grid strong,
.performance-verdict-grid p {
  display: block;
  overflow-wrap: anywhere;
}

.performance-verdict-grid strong {
  margin-top: 9px;
}

.performance-verdict-grid p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.term-strip {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 1px;
  margin: 14px 0 20px;
  border: 1px solid var(--line);
  background: var(--line);
}

.term-strip span {
  min-width: 0;
  padding: 9px 10px;
  background: var(--surface-2);
  color: var(--muted);
  font-size: 12px;
  overflow-wrap: anywhere;
}

.term-strip abbr {
  color: var(--ink);
  font-weight: 900;
  text-decoration: none;
}

.acim-flow-figure {
  margin: 24px 0 0;
  padding: 16px 0;
  overflow-x: auto;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.acim-flow-figure figcaption {
  display: flex;
  gap: 10px;
  align-items: baseline;
  margin-bottom: 12px;
}

.acim-flow-figure figcaption span {
  color: var(--muted);
  font-size: 13px;
}

.flow-lane {
  display: grid;
  gap: 18px;
  align-items: stretch;
  min-width: 930px;
  margin: 8px 0;
}

.flow-lane.control-lane,
.flow-lane.state-lane {
  grid-template-columns: 82px repeat(5, minmax(128px, 1fr));
}

.flow-lane.data-lane {
  grid-template-columns: 82px repeat(8, minmax(110px, 1fr));
  min-width: 1190px;
}

.flow-lane-label {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 64px;
  border-right: 3px solid var(--blue);
  color: var(--blue);
  font-size: 12px;
  text-transform: uppercase;
}

.state-lane .flow-lane-label {
  border-right-color: var(--amber);
  color: var(--amber);
}

.data-lane .flow-lane-label {
  border-right-color: var(--teal);
  color: var(--teal-strong);
}

.flow-node {
  position: relative;
  min-width: 0;
  min-height: 64px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
}

.control-lane .flow-node {
  border-top: 3px solid var(--blue);
}

.state-lane .flow-node {
  border-top: 3px solid var(--amber);
}

.data-lane .flow-node {
  border-top: 3px solid var(--teal);
}

.flow-node.emphasized {
  background: var(--soft-teal);
}

.flow-node::after {
  position: absolute;
  top: 50%;
  right: -15px;
  content: "\2192";
  color: var(--muted);
  font-size: 17px;
  font-weight: 900;
  transform: translateY(-50%);
}

.flow-node:last-child::after {
  display: none;
}

.flow-node strong,
.flow-node span {
  display: block;
  overflow-wrap: anywhere;
}

.flow-node span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 11px;
}

.pipeline-schedule {
  margin: 12px 0 0;
  overflow-x: auto;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.pipeline-schedule figcaption {
  padding: 10px 0;
  color: var(--muted);
  font-size: 13px;
}

.schedule-row {
  display: grid;
  grid-template-columns: 170px repeat(6, minmax(72px, 1fr));
  gap: 1px;
  min-width: 680px;
  background: var(--line);
}

.schedule-row > b,
.schedule-row > span {
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 7px;
  background: var(--surface);
  font-size: 12px;
  overflow-wrap: anywhere;
  text-align: center;
}

.schedule-row > b {
  justify-content: flex-start;
  color: var(--ink);
}

.schedule-head > b,
.schedule-head > span {
  min-height: 34px;
  background: var(--surface-2);
  color: var(--muted);
  font-weight: 800;
}

.schedule-row .slot.input {
  background: var(--soft-blue);
  color: var(--blue);
}

.schedule-row .slot.analog {
  background: var(--soft-amber);
  color: var(--amber);
}

.schedule-row .slot.digital {
  background: var(--soft-teal);
  color: var(--teal-strong);
}

.schedule-row .slot.output {
  background: var(--soft-red);
  color: var(--red);
}

.buffer-plan-table th:first-child,
.priority-table th:first-child {
  min-width: 130px;
}

.cache-lifetime-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.cache-lifetime-grid article {
  min-width: 0;
  padding: 14px;
  border-top: 4px solid var(--blue);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.cache-lifetime-grid article:nth-child(2) {
  border-top-color: var(--teal);
}

.cache-lifetime-grid article:nth-child(3) {
  border-top-color: var(--amber);
}

.cache-lifetime-grid b,
.cache-lifetime-grid strong,
.cache-lifetime-grid span,
.cache-lifetime-grid em {
  display: block;
  overflow-wrap: anywhere;
}

.cache-lifetime-grid b {
  color: var(--blue);
  font-size: 12px;
  text-transform: uppercase;
}

.cache-lifetime-grid strong {
  margin: 6px 0;
}

.cache-lifetime-grid span,
.cache-lifetime-grid em {
  color: var(--muted);
  font-size: 13px;
}

.cache-lifetime-grid em {
  margin-top: 9px;
  padding-top: 9px;
  border-top: 1px solid var(--line);
  color: var(--ink);
  font-style: normal;
}

.technique-table th:first-child {
  min-width: 210px;
}

.technique-table td:nth-child(2) {
  min-width: 112px;
}

.technique-table td:nth-child(3),
.technique-table td:nth-child(4) {
  min-width: 270px;
}

.technique-table a {
  color: var(--blue);
}

.optimization-decisions {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
  margin-top: 12px;
}

.optimization-decisions article {
  position: relative;
  min-width: 0;
  padding: 14px;
  border-top: 4px solid var(--blue);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.optimization-decisions article:nth-child(2),
.optimization-decisions article:nth-child(5) {
  border-top-color: var(--teal);
}

.optimization-decisions article:nth-child(3) {
  border-top-color: var(--red);
}

.optimization-decisions article:nth-child(4) {
  border-top-color: var(--amber);
}

.optimization-decisions article::after {
  position: absolute;
  top: 50%;
  right: -15px;
  content: "\2192";
  color: var(--muted);
  font-size: 18px;
  font-weight: 900;
  transform: translateY(-50%);
}

.optimization-decisions article:last-child::after {
  display: none;
}

.optimization-decisions b,
.optimization-decisions strong,
.optimization-decisions span {
  display: block;
  overflow-wrap: anywhere;
}

.optimization-decisions b {
  color: var(--blue);
  font-size: 12px;
}

.optimization-decisions strong {
  margin: 5px 0;
}

.optimization-decisions span {
  color: var(--muted);
  font-size: 13px;
}

.optimization-decisions em {
  color: var(--ink);
  font-style: normal;
  font-weight: 800;
}

.performance-module-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.performance-module-grid article {
  min-width: 0;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
}

.performance-module-grid code,
.performance-module-grid strong,
.performance-module-grid span {
  display: block;
  overflow-wrap: anywhere;
}

.performance-module-grid code {
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
}

.performance-module-grid strong {
  margin: 6px 0;
}

.performance-module-grid span {
  color: var(--muted);
  font-size: 13px;
}

.priority-table td:nth-child(2) {
  min-width: 260px;
}

.priority-table td:nth-child(3),
.priority-table td:nth-child(4) {
  min-width: 250px;
}

progress.progress-bar {
  display: block;
  width: 100%;
  height: 100%;
  overflow: hidden;
  border: 0;
  border-radius: inherit;
  appearance: none;
  background: transparent;
}

progress.progress-bar::-webkit-progress-bar {
  background: var(--surface-2);
}

progress.progress-bar::-webkit-progress-value {
  background: var(--teal);
  transition: width 180ms ease;
}

progress.progress-bar::-moz-progress-bar {
  background: var(--teal);
}

.phase-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.phase-item {
  min-width: 0;
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
}

.phase-item input {
  width: 17px;
  height: 17px;
  margin: 3px 0 0;
  accent-color: var(--teal);
}

.phase-item b,
.phase-item strong,
.phase-item span,
.phase-item em {
  display: block;
}

.phase-item b {
  color: var(--teal);
  font-size: 12px;
  text-transform: uppercase;
}

.phase-item strong {
  margin: 3px 0;
}

.phase-item span span {
  color: var(--muted);
  font-size: 14px;
}

.phase-item em {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
  color: var(--blue);
  font-size: 13px;
  font-style: normal;
  font-weight: 700;
}

@media (max-width: 1120px) {
  .reuse-flow,
  .validation-ladder,
  .translation-loop {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .reuse-flow .flow-step::after,
  .translation-node::after {
    display: none;
  }

  .choice-options.four {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .performance-verdict-grid,
  .performance-module-grid,
  .cache-lifetime-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .term-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .optimization-decisions {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .optimization-decisions article::after {
    display: none;
  }
}

@media (max-width: 760px) {
  .phase-grid {
    grid-template-columns: 1fr;
  }

  .choice-heading {
    grid-template-columns: 1fr;
  }

  .choice-heading > span {
    grid-row: auto;
    margin-bottom: 4px;
  }

  .reuse-flow,
  .validation-ladder,
  .translation-loop {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .choice-options,
  .choice-options.four {
    grid-template-columns: 1fr;
  }

  .performance-verdict-grid,
  .performance-module-grid,
  .cache-lifetime-grid,
  .optimization-decisions {
    grid-template-columns: 1fr;
  }

  .term-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .acim-flow-figure figcaption {
    display: block;
  }

  .acim-flow-figure figcaption span {
    display: block;
    margin-top: 4px;
  }
}

@media (max-width: 480px) {
  .hero .summary-strip {
    display: none;
  }

  .reuse-flow,
  .validation-ladder,
  .translation-loop {
    grid-template-columns: 1fr;
  }

  .reuse-flow .flow-step {
    min-height: 88px;
  }
  .translation-node {
    min-height: 96px;
  }

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