/* Implementation Context content modules only.
   Page shell, hero, subnav, reading rhythm, cards, tables, and CTAs live in site-components.css. */
.case-system-page .experiment-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:18px 0}
.case-system-page .condition{border:1px solid var(--border);border-radius:14px;padding:17px;background:var(--card)}
.case-system-page .condition .letter{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;background:var(--softp);color:var(--purple);font-weight:900;margin-bottom:11px}
.case-system-page .condition h3{margin:0 0 5px}
.case-system-page .condition p{margin:0;font-size:13px;line-height:1.5}
.case-system-page .results td:nth-child(n+2),.case-system-page .results th:nth-child(n+2){text-align:right}
.case-system-page .note{border-left:3px solid var(--gold);background:var(--soft);border-radius:0 10px 10px 0;color:var(--muted);line-height:1.55}

.case-system-page .unknown-hero{border:1px solid var(--border);overflow:hidden;background:var(--card)}
.case-system-page .unknown-title{background:var(--softp);font-weight:900;line-height:1.1}
.case-system-page .unknown-grid{display:grid;grid-template-columns:1fr 1fr}
.case-system-page .unknown-cell{}
.case-system-page .unknown-cell+.unknown-cell{border-left:1px solid var(--border)}
.case-system-page .unknown-cell span{display:block;color:var(--muted);font-weight:850;letter-spacing:.07em;text-transform:uppercase}
.case-system-page .unknown-cell strong{}
.case-system-page .unknown-cell p{margin:5px 0 0}

.case-system-page .learning-table{display:grid;grid-template-columns:1fr 1fr;max-width:900px;border:1px solid var(--border);border-radius:14px;overflow:hidden;margin-top:18px}
.case-system-page .learning-head{padding:10px 14px;background:var(--soft);color:var(--muted);font-size:10px;font-weight:850;letter-spacing:.065em;text-transform:uppercase}
.case-system-page .learning-row{display:contents}
.case-system-page .learning-row>div{padding:13px 14px;border-top:1px solid var(--border);font-size:13px;line-height:1.5}
.case-system-page .learning-row>div:nth-child(2){border-left:1px solid var(--border);background:color-mix(in srgb,var(--softp) 35%,var(--card))}

.case-system-page .product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}
.case-system-page .product-card{border:1px solid var(--border);border-radius:14px;padding:17px;background:var(--card)}
.case-system-page .product-card .num{margin-bottom:8px;color:var(--purple);font-size:10px;font-weight:850;letter-spacing:.04em}
.case-system-page .product-card h3{margin:0 0 6px}
.case-system-page .product-card p{margin:0;font-size:13px;line-height:1.5}
.case-system-page .mini-ui{border:1px solid var(--border);background:var(--soft);border-radius:10px;padding:12px;margin-top:12px;font-size:12.5px}
.case-system-page .mini-ui strong{display:block;margin-bottom:3px}
.case-system-page .decision-strip{display:flex;gap:7px;flex-wrap:wrap;margin-top:14px}
.case-system-page .decision-strip span{padding:6px 9px;border:1px solid var(--border);border-radius:999px;color:var(--muted);font-size:11.5px;font-weight:800}

@media(max-width:760px){
  .case-system-page .experiment-grid,.case-system-page .product-grid{grid-template-columns:1fr}
  .case-system-page .unknown-grid{grid-template-columns:1fr}
  .case-system-page .unknown-cell+.unknown-cell{border-left:0;border-top:1px solid var(--border)}
  .case-system-page .unknown-title{font-size:24px}
  .case-system-page .learning-table{grid-template-columns:1fr}
  .case-system-page .learning-head{display:none}
  .case-system-page .learning-row{display:block}
  .case-system-page .learning-row>div:nth-child(2){border-left:0}
  .case-system-page .learning-row>div:first-child:before{content:attr(data-label);display:block;margin-bottom:4px;color:var(--muted);font-size:9.5px;font-weight:850;letter-spacing:.065em;text-transform:uppercase}
  .case-system-page .learning-row>div:nth-child(2):before{content:attr(data-label);display:block;margin-bottom:4px;color:var(--purple);font-size:9.5px;font-weight:850;letter-spacing:.065em;text-transform:uppercase}
}

/* v96.06 — evidence artifact should read as evidence, not a second hero. */
.case-system-page .unknown-hero{max-width:760px;margin:15px 0 16px;border-radius:13px}
.case-system-page .unknown-title{padding:11px 15px;font-size:20px;letter-spacing:-.025em}
.case-system-page .unknown-cell{padding:13px 15px}
.case-system-page .unknown-cell span{margin-bottom:5px;font-size:9px}
.case-system-page .unknown-cell strong{font-size:16px}
.case-system-page .unknown-cell p{margin-top:4px!important;font-size:12.5px!important;line-height:1.48!important}
.case-system-page .note{max-width:760px;margin:14px 0;padding:10px 13px;font-size:12.5px}
@media(max-width:760px){.case-system-page .unknown-title{font-size:19px}}

/* Overview quick-read: keep the story between the prototype and objections concise. */
.overview-quickread {
  border-top: 1px solid var(--line, #d9d4e6);
  border-bottom: 1px solid var(--line, #d9d4e6);
  padding: 28px 0 26px;
}
.overview-quickread .summary-head {
  max-width: 920px;
}
.overview-quickread .summary-head h2 {
  margin-bottom: 10px;
}
.overview-quickread .summary-head p {
  max-width: 900px;
  margin-bottom: 0;
}
.quickread-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 24px;
  border-top: 1px solid var(--line, #d9d4e6);
}
.quickread-grid > div {
  padding: 18px 22px 4px 0;
}
.quickread-grid > div + div {
  border-left: 1px solid var(--line, #d9d4e6);
  padding-left: 22px;
}
.quickread-grid span {
  display: block;
  margin-bottom: 7px;
  font-size: 12px;
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--purple);
}
.quickread-grid p {
  margin: 0;
  font-size: 17px;
  line-height: 1.5;
}
.plain-finding-band.compact {
  margin-top: 26px;
  padding: 24px 28px;
}
.plain-finding-band.compact h2 {
  max-width: 760px;
  font-size: clamp(24px, 3vw, 34px);
}
.plain-finding-band.compact p {
  max-width: 920px;
}
@media (max-width: 760px) {
  .quickread-grid {
    grid-template-columns: 1fr;
  }
  .quickread-grid > div,
  .quickread-grid > div + div {
    padding: 16px 0;
    border-left: 0;
  }
  .quickread-grid > div + div {
    border-top: 1px solid var(--line, #d9d4e6);
  }
  .plain-finding-band.compact {
    padding: 20px;
  }
}

/* V12 subpage tightening: preserve detail, reduce visual bulk. */
.case-system-page .experiment-grid,.case-system-page .product-grid{gap:10px;margin:14px 0 22px}.case-system-page .condition,.case-system-page .product-card{padding:15px}.case-system-page .case-section-intro{margin-bottom:16px!important}.case-system-page .case-section-intro h2{margin-bottom:7px!important}.case-system-page .method-note{font-size:12px!important;line-height:1.5!important}.case-system-page .results{margin-top:12px!important}.case-system-page .practice-note{font-size:12px!important;line-height:1.5!important}

/* QA6: make the experiment → narrower finding → product response causal at a glance. */
.causal-story{margin-top:24px;border-top:1px solid var(--line,#d9d4e6)}
.causal-story>div{display:grid;grid-template-columns:190px minmax(0,1fr);gap:24px;padding:15px 0;border-bottom:1px solid var(--line,#d9d4e6);align-items:baseline}
.causal-story span{font-size:11px;line-height:1.3;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--purple)}
.causal-story strong{font-size:16px;line-height:1.45}
.attribution-pair{display:grid!important;grid-template-columns:1fr 1fr;gap:28px}
.attribution-pair>div+div{border-left:1px solid var(--line,#d9d4e6);padding-left:28px}
.attribution-pair p,.method-attribution-pair p{margin-bottom:0}
.method-attribution-pair{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:10px}
.method-attribution-pair p+p{border-left:1px solid var(--line,#d9d4e6);padding-left:20px}
@media(max-width:760px){.causal-story>div{grid-template-columns:1fr;gap:5px}.attribution-pair,.method-attribution-pair{grid-template-columns:1fr}.attribution-pair>div+div,.method-attribution-pair p+p{border-left:0;border-top:1px solid var(--line,#d9d4e6);padding-left:0;padding-top:18px}}

/* State flagship + product deep dives */
.flagship-hero .hero-turn{max-width:900px;margin-top:12px;color:var(--muted);font-size:18px;line-height:1.55}.case-meta{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:24px;padding-top:18px;border-top:1px solid var(--border);font-size:12.5px;color:var(--muted)}.case-meta b{color:var(--text);margin-right:5px}.flagship-case .section{}.flagship-case .section>p,.case-system-page .section>p{max-width:860px}.simple-conditions{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;max-width:860px;margin:22px 0}.simple-conditions article{padding:16px;border:1px solid var(--border);border-radius:14px;background:var(--card)}.simple-conditions article.emphasis{background:var(--softp)}.simple-conditions span{display:block;color:var(--purple);font-weight:900}.simple-conditions strong{display:block;margin:8px 0 4px}.simple-conditions small{color:var(--muted)}.case-emphasis{font-size:18px!important;line-height:1.55!important}.signature-finding{margin:30px 0}.research-loop,.human-flow{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin:22px 0}.research-loop span,.human-flow span{padding:9px 12px;border:1px solid var(--border);border-radius:999px;background:var(--card);font-size:12px;font-weight:800}.human-flow .accent{background:var(--softp);color:var(--purple)}.research-loop b,.human-flow b{color:var(--muted)}.state-response blockquote{max-width:820px;margin:24px 0;padding:18px 22px;border-left:3px solid var(--purple);background:var(--softp);font-size:19px;line-height:1.5;font-weight:700}.plain-rules{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}.plain-rules span{padding:7px 10px;border-radius:999px;background:var(--soft);font-size:11.5px;font-weight:800}.surface-grid,.collab-grid,.copy-contract{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:22px 0}.surface-grid article,.collab-grid article,.copy-contract article{padding:18px;border:1px solid var(--border);border-radius:14px;background:var(--card)}.surface-grid span{display:block;margin-bottom:8px;color:var(--purple);font-size:10px;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.surface-grid strong,.collab-grid strong,.copy-contract strong{display:block;font-size:16px}.surface-grid p,.collab-grid p,.copy-contract p{margin-bottom:0;font-size:13px;line-height:1.55}.grounded-statement{}.work-product{max-width:820px;margin:24px 0;border:1px solid var(--border);border-radius:16px;background:var(--card);overflow:hidden}.work-product>span{display:block;padding:12px 18px;background:var(--soft);font-size:10px;font-weight:900;letter-spacing:.09em;text-transform:uppercase}.work-product>strong{display:block;padding:20px 18px 8px;font-size:22px}.work-product>div{display:grid;grid-template-columns:repeat(2,1fr);gap:0;padding:10px 18px 20px}.work-product b{padding:12px 0;border-top:1px solid var(--border);font-size:13px}.work-product b:nth-child(even){padding-left:18px}.tradeoff-band{padding:30px}.tradeoff-band .kicker{}.tradeoff-band h2{}.tradeoff-band p{max-width:900px}.tradeoff-grid{display:grid;grid-template-columns:1fr auto 1fr;align-items:center}.tradeoff-grid article{}.tradeoff-grid strong{display:block;margin-bottom:8px}.tradeoff-grid article p{margin:0;font-size:13px}.tradeoff-line{}.closing-links{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:24px}.attribution-final{margin-bottom:40px}.next-tests .surface-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.next-tests .surface-grid article{padding:22px;min-height:220px;display:flex;flex-direction:column;justify-content:flex-start}.seam-learning .surface-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.seam-learning .surface-grid .integration-flow{flex-wrap:wrap;row-gap:6px}
@media(max-width:760px){.simple-conditions,.surface-grid,.collab-grid,.copy-contract,.next-tests .surface-grid,.seam-learning .surface-grid{grid-template-columns:1fr}.tradeoff-grid{grid-template-columns:1fr}.tradeoff-grid>span{text-align:center}.work-product>div{grid-template-columns:1fr}.work-product b:nth-child(even){padding-left:0}.case-meta{display:grid;gap:7px}}


/* State subpage nav alignment: keep the shared nav in a stable position across pages. */
.case-system-page > .meridian-heading{}
.case-system-page > .meridian-section-nav{}
@media(max-width:760px){
  .case-system-page > .meridian-heading{min-height:0;}
  .case-system-page > .meridian-section-nav{margin-top:8px!important;margin-bottom:20px!important;}
}

/* Flagship editorial polish — clearer interaction, turning points, and build progression. */
.flagship-case .evidence-disclosure{max-width:860px;margin:24px 0;border:1px solid var(--border);border-radius:14px;background:var(--card);overflow:hidden;transition:border-color .16s ease,box-shadow .16s ease,background .16s ease}
.flagship-case .evidence-disclosure:hover{border-color:#b9acd8;background:var(--softp);box-shadow:0 5px 18px rgba(38,28,62,.06)}
.flagship-case .evidence-disclosure summary{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:17px 18px;cursor:pointer;list-style:none}
.flagship-case .evidence-disclosure summary::-webkit-details-marker{display:none}
.flagship-case .evidence-disclosure summary>span:first-child{display:grid;gap:3px}
.flagship-case .evidence-disclosure summary small{color:var(--muted);font-size:12.5px}
.flagship-case .evidence-disclosure summary>span:last-child{display:grid;place-items:center;width:28px;height:28px;flex:0 0 28px;border:1px solid var(--border);border-radius:50%;background:#fff;font-size:18px;line-height:1;transition:transform .16s ease}
.flagship-case .evidence-disclosure[open] summary>span:last-child{transform:rotate(45deg)}
.flagship-case .evidence-disclosure-body{padding:0 18px 18px;border-top:1px solid var(--border)}
.flagship-case .evidence-disclosure-body p:first-child{margin-top:16px}
.question-shift{max-width:860px;margin:26px 0;padding:22px 24px;border-left:4px solid var(--purple);border-radius:0 14px 14px 0;background:var(--softp)}
.question-shift span{display:block;margin-bottom:9px;color:var(--purple);font-size:10px;font-weight:900;letter-spacing:.1em;text-transform:uppercase}
.question-shift p{margin:0 0 5px!important;color:var(--muted);font-size:16px!important;line-height:1.5!important}
.question-shift strong{display:block;max-width:760px;font-size:20px;line-height:1.45;letter-spacing:-.015em}
.build-progression{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr) auto minmax(0,1fr) auto minmax(0,1fr);gap:10px;align-items:stretch;max-width:1000px;margin:25px 0}
.build-progression article{padding:16px;border:1px solid var(--border);border-radius:14px;background:var(--card)}
.build-progression article span{display:block;margin-bottom:10px;color:var(--purple);font-size:10px;font-weight:900;letter-spacing:.08em}
.build-progression article strong{display:block;font-size:14px;line-height:1.35}
.build-progression article p{margin:7px 0 0!important;color:var(--muted);font-size:12px!important;line-height:1.5!important}
.build-progression>b{align-self:center;color:var(--muted);font-size:13px}
.delivery-receipt{border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.delivery-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;max-width:960px;margin:22px 0 0;border-top:1px solid var(--border)}
.delivery-grid article{padding:20px 24px 4px 0}
.delivery-grid article+article{padding-left:24px;border-left:1px solid var(--border)}
.delivery-grid strong{display:block;margin-bottom:7px;font-size:16px}
.delivery-grid p{margin:0!important;color:var(--muted);font-size:13.5px!important;line-height:1.6!important}
.grounded-statement{max-width:860px;margin:20px 0;border-radius:14px;background:var(--softp);font-weight:900}
@media(max-width:900px){.build-progression{grid-template-columns:1fr 1fr}.build-progression>b{display:none}}
@media(max-width:760px){.question-shift{padding:18px}.question-shift strong{font-size:18px}.build-progression,.delivery-grid{grid-template-columns:1fr}.delivery-grid article,.delivery-grid article+article{padding:16px 0;border-left:0}.delivery-grid article+article{border-top:1px solid var(--border)}}


/* v5 editorial refinement: calmer hierarchy, stable subnav, fewer slogan cards. */
.case-system-page > .meridian-heading{min-height:0!important}
.case-system-page > .meridian-case-hero{min-height:210px;display:flex;flex-direction:column;justify-content:center;margin-bottom:0!important}
.case-system-page > .meridian-section-nav{margin-top:0!important;margin-bottom:28px!important}
.flagship-case .section{}
.flagship-case .section h2{letter-spacing:-.025em;margin:0 0 14px}
.flagship-case .kicker{margin-bottom:9px;font-size:11px}
.flagship-case .section-thesis{margin-top:-3px!important;font-size:17px!important;line-height:1.55!important;color:var(--ink)}
.flagship-case .case-emphasis{font-size:16px!important;line-height:1.6!important}
.experiment-note{max-width:860px;margin:24px 0;padding:19px 20px;border:1px solid var(--border);border-radius:14px;background:color-mix(in srgb,var(--softp) 35%,var(--card));display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:center}
.experiment-note strong{font-size:16px}.experiment-note p{margin:5px 0 0!important;color:var(--muted);font-size:13.5px!important;line-height:1.55!important}.experiment-note a{white-space:nowrap;font-weight:750}
.question-shift{margin-bottom:12px}
.failure-followed{border-top:0!important;padding-top:22px!important}
.grounded-statement{font-size:18px!important;padding:14px 16px!important;letter-spacing:0!important}
.meeting-example{max-width:860px;margin:24px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:18px 0}
.meeting-example>span{display:block;margin-bottom:12px;color:var(--purple);font-size:10px;font-weight:850;letter-spacing:.08em;text-transform:uppercase}
.meeting-example>div{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0}
.meeting-example article{padding:4px 22px 4px 0}.meeting-example article+article{padding-left:22px;border-left:1px solid var(--border)}
.meeting-example strong{display:block;font-size:14px;line-height:1.35}.meeting-example p{margin:6px 0 0!important;color:var(--muted);font-size:12.5px!important;line-height:1.5!important}
.plain-emphasis{font-size:17px!important;color:var(--ink)!important}
@media(max-width:760px){.case-system-page > .meridian-case-hero{min-height:0;padding-top:26px!important;padding-bottom:26px!important}.experiment-note{grid-template-columns:1fr;gap:10px}.meeting-example>div{grid-template-columns:1fr}.meeting-example article,.meeting-example article+article{padding:12px 0;border-left:0}.meeting-example article+article{border-top:1px solid var(--border)}}
/* v6: quieter flagship hierarchy + AI integration receipts */
.flagship-case .section{}.flagship-case .section h2{font-size:clamp(24px,2.7vw,32px);line-height:1.18;max-width:820px}.integration-flow{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin:22px 0;max-width:1000px}.integration-flow span{padding:10px 13px;border:1px solid var(--border);border-radius:999px;background:var(--card);font-size:12px;font-weight:800}.integration-flow .ai-step{background:var(--softp);color:var(--purple)}.integration-flow b{color:var(--muted);font-size:12px}.decision-receipts,.learning-cases{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;max-width:1000px;margin:22px 0}.decision-receipts article,.learning-cases article{padding:18px;border:1px solid var(--border);border-radius:14px;background:var(--card)}.decision-receipts strong,.learning-cases strong{display:block;font-size:15px;line-height:1.4}.decision-receipts p,.learning-cases p{margin:8px 0 0!important;font-size:13px!important;line-height:1.58!important;color:var(--muted)}.learning-cases span{display:block;margin-bottom:8px;color:var(--purple);font-size:10px;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.integration-principle{max-width:860px;padding:15px 18px;border-left:3px solid var(--purple);background:var(--softp);font-size:15px!important;line-height:1.6!important}.learning-cases{grid-template-columns:repeat(3,minmax(0,1fr))}@media(max-width:760px){.decision-receipts,.learning-cases{grid-template-columns:1fr}.integration-flow b{display:none}}

/* v9 editorial pass: shorter, skimmable, stronger QA signal. */
.hero-tldr{max-width:900px;margin:16px 0 0;padding:12px 15px;border-left:3px solid var(--purple);background:var(--softp);font-size:14px!important;line-height:1.55!important}
.flagship-case .section{padding-top:30px;padding-bottom:30px}
.decision-receipts .qa-receipt{}
.decision-receipts .qa-receipt strong{}
.learning-cases article p{margin-top:7px!important}.learning-cases article p b{color:var(--text)}
.tradeoff-line{}
@media(max-width:760px){.decision-receipts .qa-receipt{grid-column:auto}.hero-tldr{font-size:13.5px!important}}

/* Final State story pass: show the product model and iteration without turning the page into a feature inventory. */
.state-model-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;max-width:1000px;margin:24px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.state-model-grid article{padding:18px 20px 18px 0}
.state-model-grid article:nth-child(3n+2),.state-model-grid article:nth-child(3n+3){padding-left:20px;border-left:1px solid var(--border)}
.state-model-grid article:nth-child(n+4){border-top:1px solid var(--border)}
.state-model-grid span,.learning-stories span{display:block;margin-bottom:7px;color:var(--purple);font-size:10px;font-weight:900;letter-spacing:.08em;text-transform:uppercase}
.state-model-grid strong{display:block;font-size:15px;line-height:1.4}
.state-model-grid p{margin:6px 0 0!important;color:var(--muted);font-size:12.8px!important;line-height:1.55!important}
.learning-stories{max-width:940px;margin:22px 0}
.learning-stories article{padding:20px 0;border-top:1px solid var(--border)}
.learning-stories article:last-child{border-bottom:1px solid var(--border)}
.learning-stories strong{display:block;max-width:760px;font-size:17px;line-height:1.4}
.learning-stories p{max-width:860px!important;margin:7px 0 0!important;color:var(--muted);font-size:14px!important;line-height:1.65!important}
@media(max-width:760px){.state-model-grid{grid-template-columns:1fr}.state-model-grid article,.state-model-grid article:nth-child(3n+2),.state-model-grid article:nth-child(3n+3){padding:16px 0;border-left:0}.state-model-grid article+article{border-top:1px solid var(--border)}}
.evidence-principle{max-width:1000px;margin:22px 0 26px;padding:22px 26px;border:1px solid var(--border);border-radius:16px;background:var(--softp)}
.evidence-principle strong{display:block;font-size:19px;line-height:1.42;font-weight:800;color:var(--ink);letter-spacing:-.01em}
.evidence-principle p{margin:10px 0 0!important;color:var(--muted);font-size:14px!important;line-height:1.6!important}
@media(max-width:760px){.evidence-principle{padding:18px 20px}.evidence-principle strong{font-size:17px}}

/* v10 feedback pass: balanced decision grid and light unresolved-tradeoff treatment. */
.decision-receipts .qa-receipt{grid-column:auto;border-color:var(--border);background:var(--card)}
.decision-receipts .qa-receipt strong{font-size:15px}
.tradeoff-band{margin:0;padding-top:30px;padding-bottom:30px;border-radius:0;background:transparent;color:var(--text);border-top:1px solid var(--border)}
.tradeoff-band .kicker{color:var(--purple)}
.tradeoff-band h2{color:var(--text)}
.tradeoff-band p{color:var(--muted)}
.tradeoff-grid{max-width:900px;gap:12px;margin:20px 0}
.tradeoff-grid article{padding:18px;border:1px solid var(--border);border-radius:14px;background:var(--card)}
.tradeoff-grid strong{color:var(--text)}
.tradeoff-grid>span{color:var(--muted)}
.tradeoff-line{max-width:900px!important;font-size:16px!important;line-height:1.6!important;font-weight:400!important;color:var(--text)!important}
.tradeoff-line strong{font-weight:800}
.case-system-page .system-diagram{margin:24px 0;max-width:100%}
.case-system-page .system-diagram .chain{display:flex;flex-wrap:wrap;align-items:center;gap:10px 8px}
.case-system-page .system-diagram .step{padding:10px 15px;border:1px solid var(--border);border-radius:10px;background:var(--card);font-size:13px;font-weight:800;white-space:nowrap}
.case-system-page .system-diagram .step.accent{background:var(--softp);color:var(--purple);border-color:transparent}
.case-system-page .system-diagram .sep{color:var(--muted);font-size:15px}
.case-system-page .definition-list{display:grid;grid-template-columns:160px 1fr;gap:10px 20px;max-width:720px;margin:18px 0}
.case-system-page .definition-list dt{font-weight:800;color:var(--text)}
.case-system-page .definition-list dd{margin:0;color:var(--muted);font-size:13.5px;line-height:1.55}
.case-system-page .three-col{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;max-width:900px;margin:20px 0}
.case-system-page .three-col article{padding:0}
.case-system-page .three-col strong{display:block;margin-bottom:8px;font-size:15px}
.case-system-page .three-col ul{margin:0}
@media(max-width:600px){
  .case-system-page .system-diagram .chain{flex-direction:column;align-items:flex-start}
  .case-system-page .system-diagram .sep{transform:rotate(90deg);margin-left:15px}
  .case-system-page .definition-list{grid-template-columns:1fr}
  .case-system-page .definition-list dt{margin-top:8px}
  .case-system-page .three-col{grid-template-columns:1fr;gap:16px}
}