/* Shared editorial and interactive system for the five solution studies. */
.solution-page { --case-blue: #91b4ff; --case-text: var(--copy-light); }
.solution-page .site-header { border-bottom: 1px solid var(--line); }
.solution-page .nav { border-bottom: 0; }
.solution-header-link { font: 10px var(--mono); text-transform: uppercase; letter-spacing: .07em; }
.solution-hero { padding: 42px 0 54px; }
.solution-hero .back-link { margin-bottom: 36px; }
.solution-intro { display: grid; grid-template-columns: minmax(0,1.6fr) minmax(0,.85fr); gap: 55px; align-items: center; }
.solution-intro .eyebrow { color: var(--case-blue); margin-bottom: 23px; }
.solution-intro h1 { font-size: clamp(42px,5.3vw,76px); line-height: 1.04; letter-spacing: -.062em; max-width: 850px; text-wrap: balance; }
.solution-lead { color: var(--copy-dark); font-size: 18px; line-height: 1.75; margin-top: 26px; max-width: 650px; }
.solution-intro .hero-actions { margin-top: 28px; }
.solution-visual { margin: 0; position: relative; }
.solution-visual img { width: 100%; height: 355px; object-fit: cover; border-radius: 3px; }
.solution-visual figcaption { font: 9px/1.5 var(--mono); letter-spacing: .07em; color: var(--muted); text-transform: uppercase; margin-top: 12px; text-align: right; }
.solution-facts { margin: 36px 0 0; padding-top: 23px; border-top: 1px solid var(--line); display: grid; grid-template-columns: 1.25fr 1.35fr 1fr; gap: 28px; }
.solution-facts dt { color: var(--muted); font: 9px/1.5 var(--mono); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 7px; }
.solution-facts dd { margin: 0; color: #e5edf7; font-size: 12px; line-height: 1.6; }
.solution-summary { padding: 28px 0 34px; border-top: 1px solid var(--line); background: #141c27; }
.summary-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 40px; }
.summary-grid .eyebrow { color: #89a7df; font-size: 9px; margin-bottom: 9px; }
.summary-grid p:last-child { font-size: 16px; color: #dce5ef; max-width: 31ch; }
.solution-main { background: var(--paper); color: var(--ink); padding: 75px 0 30px; }
.solution-layout { display: grid; grid-template-columns: 175px minmax(0,1fr); gap: 66px; }
.solution-toc { position: sticky; top: 32px; align-self: start; display: flex; flex-direction: column; gap: 18px; font: 11px/1.7 var(--mono); color: var(--ink-label); }
.solution-toc .eyebrow { font-size: 9px; color: #1d2c3c; margin-bottom: 8px; }
.solution-toc a { display: flex; gap: 12px; padding-left: 12px; border-left: 2px solid transparent; }
.solution-toc a span { color: var(--ink-label); }
.solution-toc a:hover,.solution-toc a[aria-current="location"] { color: #264da5; border-color: #3d66c0; }
.solution-toc .toc-contact { border-top: 1px solid #ced7e5; padding-top: 22px; margin-top: 8px; }
.solution-section { margin-bottom: 76px; scroll-margin-top: 35px; }
.section-number { color: var(--ink-label); font: 10px/1.5 var(--mono); letter-spacing: .08em; text-transform: uppercase; margin-bottom: 16px; }
.solution-section h2 { font-size: clamp(29px,2.8vw,40px); letter-spacing: -.043em; line-height: 1.14; margin-bottom: 25px; max-width: 780px; text-wrap: balance; }
.solution-copy p,.section-description { font-size: 16px; line-height: 1.9; color: var(--case-text); max-width: 75ch; margin-bottom: 20px; }
.pressure-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 0; border-top: 1px solid #ced7e5; margin-top: 30px; }
.pressure-item { padding: 24px 23px 0 0; }
.pressure-item + .pressure-item { padding-left: 24px; border-left: 1px solid #ced7e5; }
.pressure-marker { display: block; width: 7px; height: 7px; border: 1px solid #6682b6; transform: rotate(45deg); margin-bottom: 19px; }
.pressure-item h3 { font-size: 16px; line-height: 1.3; letter-spacing: -.025em; margin-bottom: 9px; }
.pressure-item p { color: var(--copy-light); font-size: 12px; line-height: 1.8; }
.contribution-points { margin-top: 27px; border-top: 1px solid #ced7e5; }
.contribution-point { display: grid; grid-template-columns: 34px minmax(0,.8fr) minmax(0,1.2fr); gap: 15px; padding: 23px 0; border-bottom: 1px solid #ced7e5; }
.contribution-point > span { font: 10px var(--mono); color: #496887; padding-top: 4px; }
.contribution-point h3 { font-size: 16px; letter-spacing: -.025em; }
.contribution-point p { font-size: 13px; color: var(--copy-light); line-height: 1.8; }
.system-model { margin-top: 27px; background: #101417; color: #edf1ee; border: 1px solid #242e38; border-radius: 5px; overflow: hidden; }
.model-toolbar { padding: 19px 25px; border-bottom: 1px solid #33404a; display: flex; align-items: center; justify-content: space-between; gap: 15px; }
.model-toolbar .eyebrow { font-size: 9px; color: #9cb5d9; }
.model-live-label { display: flex; align-items: center; gap: 7px; font: 9px var(--mono); color: var(--copy-dark); }
.model-live-label:before { content: ''; width: 5px; height: 5px; border-radius: 100%; background: #c9fb79; }
.model-tabs { display: flex; gap: 4px; padding: 21px 25px 0; flex-wrap: wrap; }
.model-tab { background: transparent; border: 1px solid #384552; color: #bac9d1; border-radius: 3px; font: 10px/1.5 var(--mono); padding: 10px 14px; min-height: 40px; }
.model-tab:hover { border-color: #a3bdec; color: #fff; }
.model-tab[aria-selected="true"] { background: #92b5ff; border-color: #92b5ff; color: #111920; }
.model-tab:focus-visible,.model-step:focus-visible { outline-offset: 3px; outline: 2px solid #c9fb79; }
.model-stage { padding: 26px 25px 24px; background-image: linear-gradient(#7890ae08 1px,transparent 1px),linear-gradient(90deg,#7890ae08 1px,transparent 1px); background-size: 25px 25px; }
.model-kicker { font: 9px/1.6 var(--mono); letter-spacing: .075em; text-transform: uppercase; color: #91b4ff; margin-bottom: 12px; }
.model-stage h3 { font-size: 24px; line-height: 1.3; max-width: 700px; letter-spacing: -.035em; }
.model-intro { color: var(--copy-dark); font-size: 13px; line-height: 1.8; margin-top: 10px; max-width: 73ch; }
.model-flow { display: grid; grid-template-columns: repeat(var(--steps),minmax(0,1fr)); gap: 18px; padding: 33px 0 25px; }
.model-step { position: relative; text-align: left; padding: 18px 14px 20px; border: 1px solid #364652; border-radius: 3px; background: #162027; color: #e3ebe9; min-width: 0; min-height: 178px; transition: border-color .18s,background .18s; }
.model-step:not(:last-child):after { content: '→'; font-size: 15px; position: absolute; right: -15px; top: 50%; color: #6f96d4; transform: translateY(-50%); pointer-events: none; }
.model-step:hover { border-color: #91b4ff; background: #1b2a36; }
.model-step[aria-pressed="true"] { border-color: #a3c1fb; background: #253952; box-shadow: inset 0 3px 0 #93b6fd; }
.step-topline { display: flex; align-items: start; justify-content: space-between; gap: 5px; margin-bottom: 24px; color: #9bb5cd; font: 8px/1.5 var(--mono); text-transform: uppercase; letter-spacing: .02em; }
.step-tag { text-align: right; }
.model-step strong { display: block; font-size: 14px; font-weight: 500; line-height: 1.3; letter-spacing: -.01em; }
.model-step .step-summary { display: block; color: #b3c1c8; font-size: 11px; line-height: 1.7; margin-top: 9px; }
.model-detail { padding: 23px 24px; border-left: 2px solid #94b7fb; background: #1b252d; display: grid; grid-template-columns: minmax(100px,.65fr) minmax(0,1.9fr); gap: 25px; }
.detail-label { font: 8px/1.5 var(--mono); color: #95b4dd; text-transform: uppercase; letter-spacing: .07em; margin-bottom: 8px; }
.model-detail h4 { font-size: 17px; font-weight: 500; line-height: 1.3; margin: 0; letter-spacing: -.025em; }
.model-detail p { font-size: 13px; line-height: 1.85; color: #c3cecf; }
.model-caption { padding: 18px 25px; background: #101417; border-top: 1px solid #33404a; color: var(--muted); font: 9px/1.8 var(--mono); max-width: none; }
.model-hint { font: 9px/1.5 var(--mono); color: var(--ink-label); margin-top: 13px; }
.model-fallback { padding: 22px 25px; color: #c3cecf; }
.model-fallback summary { font-size: 12px; cursor: pointer; }
.model-fallback h4 { color: white; }
.model-fallback li { font-size: 13px; line-height: 1.8; margin: 16px 0; }
.decision-map { border-top: 1px solid #bbc9dc; }
.decision-legend,.decision-row { display: grid; grid-template-columns: 1fr 1.1fr 1.1fr; gap: 25px; }
.decision-legend { padding: 15px 0; font: 9px var(--mono); color: var(--ink-label); text-transform: uppercase; letter-spacing: .06em; }
.decision-row { border-top: 1px solid #ced7e5; padding: 24px 0; }
.decision-row h3 { font-size: 17px; line-height: 1.4; letter-spacing: -.025em; }
.decision-row p { font-size: 13px; line-height: 1.8; color: var(--copy-light); }
.decision-mobile-label { display: none; }
.artifact-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 14px; margin-top: 30px; }
.artifact-item { padding: 25px 20px; background: #e7edf7; border: 1px solid #cbd6e6; }
.artifact-index { color: #496887; font: 9px var(--mono); display: block; margin-bottom: 28px; }
.artifact-item h3 { font-size: 17px; letter-spacing: -.025em; line-height: 1.3; margin-bottom: 10px; }
.artifact-item p { color: var(--copy-light); font-size: 12px; line-height: 1.8; }
.solution-reflection { margin: 37px 0 0; padding: 28px 0 5px; border-top: 1px solid #bbc9dc; }
.solution-reflection h3 { font-size: 24px; letter-spacing: -.035em; line-height: 1.3; margin-bottom: 15px; }
.solution-reflection p { font-size: 15px; line-height: 1.9; color: var(--copy-light); }
.solution-sources { border-top: 1px solid #ced7e5; margin-top: 35px; padding-top: 18px; font: 10px/1.8 var(--mono); color: var(--ink-label); }
.solution-sources summary { cursor: pointer; color: #334e6b; }
.solution-sources ul { padding-left: 17px; }
.solution-sources a { border-bottom: 1px solid #8fa4be; }
.solution-sources a:hover { color: #234f9e; }
.solution-footer { padding: 28px 0 40px; border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.solution-footer p { font: 10px/1.7 var(--mono); color: var(--muted); }
.solution-footer a { font-size: 12px; }
.solution-page .case-next h2 { font-size: clamp(26px,3vw,38px); max-width: 800px; }
@media(max-width:1100px) {
  .solution-intro { gap: 30px; grid-template-columns: 1.5fr .8fr; }
  .solution-visual img { height: 320px; }
  .solution-layout { grid-template-columns: 135px minmax(0,1fr); gap: 32px; }
  .solution-toc { font-size: 10px; }
  .model-flow { gap: 14px; }
  .model-step { padding: 15px 10px; }
  .model-step:not(:last-child):after { right: -13px; }
  .model-step strong { font-size: 12px; }
  .step-topline { font-size: 7px; }
}
@media(max-width:900px) {
  .solution-intro { grid-template-columns: 1fr; }
  .solution-intro h1 { max-width: 700px; }
  .solution-visual { display: none; }
  .solution-layout { grid-template-columns: 1fr; gap: 35px; }
  .solution-toc { position: static; flex-direction: row; flex-wrap: wrap; gap: 10px 22px; padding-bottom: 25px; border-bottom: 1px solid #ced7e5; }
  .solution-toc .eyebrow,.solution-toc .toc-contact { display: none; }
  .solution-toc a { padding-left: 0; border: 0; }
  .solution-toc a[aria-current="location"] { text-decoration: underline; text-underline-offset: 4px; }
  .solution-main { padding-top: 35px; }
  .summary-grid { gap: 25px; }
}
@media(max-width:600px) {
  .solution-header-link { display: none; }
  .solution-hero { padding: 30px 0 32px; }
  .solution-hero .back-link { margin-bottom: 32px; }
  .solution-intro h1 { font-size: clamp(37px,10.5vw,58px); }
  .solution-intro .eyebrow { font-size: 9px; }
  .solution-lead { font-size: 16px; margin-top: 22px; }
  .solution-intro .hero-actions { margin-top: 25px; }
  .solution-facts { grid-template-columns: 1fr; gap: 16px; padding-top: 22px; margin-top: 30px; }
  .solution-facts div { display: grid; grid-template-columns: 80px 1fr; gap: 16px; }
  .solution-facts dt { margin: 2px 0 0; }
  .summary-grid { grid-template-columns: 1fr; gap: 22px; }
  .summary-grid > div { display: grid; grid-template-columns: 80px 1fr; gap: 16px; }
  .summary-grid .eyebrow { font-size: 8px; padding-top: 3px; }
  .summary-grid p:last-child { font-size: 14px; }
  .solution-section { margin-bottom: 52px; }
  .solution-section h2 { font-size: 30px; }
  .solution-copy p,.section-description { font-size: 15px; line-height: 1.85; }
  .pressure-grid { grid-template-columns: 1fr; }
  .pressure-item,.pressure-item + .pressure-item { border-left: 0; padding: 21px 0; border-bottom: 1px solid #ced7e5; }
  .pressure-marker { float: left; margin: 6px 16px 8px 1px; }
  .pressure-item p { margin-left: 24px; }
  .contribution-point { grid-template-columns: 25px 1fr; gap: 8px 12px; }
  .contribution-point p { grid-column: 2; }
  .model-toolbar { padding: 16px; }
  .model-toolbar .eyebrow { font-size: 8px; }
  .model-live-label { font-size: 8px; }
  .model-tabs { padding: 16px 16px 0; gap: 6px; }
  .model-tab { font-size: 9px; padding: 10px; flex: 1; min-width: 65px; }
  .model-stage { padding: 23px 16px 18px; }
  .model-stage h3 { font-size: 23px; }
  .model-flow { grid-template-columns: 1fr; padding: 23px 0; gap: 16px; }
  .model-step { padding: 17px; min-height: 0; display: grid; grid-template-columns: 30px 1fr; gap: 0 10px; }
  .step-topline { grid-row: span 2; flex-direction: column; gap: 8px; margin: 1px 0 0; font-size: 8px; justify-content: start; }
  .step-tag { display: none; }
  .model-step strong { font-size: 15px; }
  .model-step .step-summary { font-size: 12px; margin-top: 6px; }
  .model-step:not(:last-child):after { content: '↓'; right: auto; left: 24px; top: auto; bottom: -16px; transform: none; }
  .model-detail { display: block; padding: 19px; }
  .model-detail h4 { margin-bottom: 13px; font-size: 19px; }
  .model-detail p { font-size: 13px; }
  .model-caption { padding: 16px; font-size: 8px; }
  .decision-legend { display: none; }
  .decision-row { display: block; padding: 25px 0; }
  .decision-row h3 { font-size: 19px; margin-bottom: 17px; }
  .decision-row p + p { margin-top: 13px; }
  .decision-mobile-label { display: block; text-transform: uppercase; color: #496887; font: 8px/1.5 var(--mono); letter-spacing: .07em; margin-bottom: 5px; }
  .artifact-grid { grid-template-columns: 1fr; }
  .artifact-item { padding: 22px; }
  .artifact-index { margin-bottom: 18px; }
  .solution-footer { align-items: start; flex-direction: column; }
}
@media(prefers-reduced-motion:reduce) { .model-step { transition: none; } }
@media print {
  .solution-toc,.hero-actions,.model-tabs,.model-hint,.site-header,.solution-footer,.case-next { display: none; }
  .solution-layout,.solution-intro { display: block; }
  .solution-hero,.solution-main { padding-block: 20px; }
  .solution-visual { display: none; }
  .solution-section { break-inside: avoid; }
  .solution-page { background: white; color: black; }
}

.model-flow[data-layout="domains"]{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;padding-bottom:0}.model-flow[data-layout="domains"] .model-step{min-height:150px}.model-flow[data-layout="domains"] .model-step:after{display:none}.model-domain-core{padding:17px;margin:12px 0 25px;background:#243448;border:1px solid #557196;text-align:center;font:10px/1.8 var(--mono);color:#b9d0f4}.model-domain-core[hidden]{display:none}@media(max-width:600px){.model-flow[data-layout="domains"]{grid-template-columns:1fr}.model-flow[data-layout="domains"] .model-step{min-height:0}.model-domain-core{font-size:9px}}