:root { --studio-width: 1340px; --studio-soft: #f5f8f9; }
body { overflow-x: hidden; }
.studio-header { position: sticky; top: 0; z-index: 70; display: flex; align-items: center; justify-content: space-between; gap: 28px; min-height: 76px; padding: 11px clamp(18px,3.5vw,58px); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.96); backdrop-filter: blur(14px); }
.studio-brand { display: inline-flex; align-items: center; flex: none; gap: 11px; color: var(--navy); text-decoration: none; }
.studio-brand:hover { color: var(--navy); }
.studio-brand strong,.studio-brand small { display: block; line-height: 1.4; }
.studio-brand strong { font-size: 15px; }
.studio-brand small { color: #718090; font-size: 10px; }
.studio-nav { display: flex; align-items: center; gap: 4px; min-width: 0; overflow-x: auto; scrollbar-width: thin; }
.studio-nav a { flex: none; padding: 8px 11px; border-radius: 9px; color: #607184; text-decoration: none; white-space: nowrap; font-size: 12px; font-weight: 600; }
.studio-nav a:hover,.studio-nav a[aria-current="page"] { background: #edf4f7; color: var(--navy); }
.studio-main { min-width: 0; }
.studio-hero { display: grid; grid-template-columns: minmax(0,1.12fr) minmax(300px,.88fr); align-items: center; gap: clamp(28px,5vw,90px); max-width: var(--studio-width); margin: 0 auto; padding: clamp(65px,7.5vw,112px) clamp(24px,5vw,72px) 74px; }
.studio-kicker { display: block; color: var(--copper); font-size: 12px; font-weight: 700; letter-spacing: .04em; }
.studio-hero h1 { margin: 17px 0 23px; color: var(--navy-deep); font-size: clamp(42px,5vw,72px); letter-spacing: -.055em; line-height: 1.22; }
.studio-hero h1 em { color: var(--copper); font-style: normal; }
.studio-hero p { max-width: 700px; color: #556a7e; font-size: clamp(16px,1.4vw,18px); line-height: 1.95; }
.hero-panel { min-width: 0; min-height: 370px; padding: 26px; border: 1px solid #d5e1e7; border-radius: 22px; background: radial-gradient(circle at 52% 45%,#fff 0,#f5f9fa 53%,#eaf2f5 100%); box-shadow: 0 24px 55px rgba(11,42,61,.08); }
.studio-disclaimer { max-width: calc(var(--studio-width) - 144px); margin: 0 auto 20px; padding: 17px 22px; border-right: 3px solid var(--copper); border-radius: 10px 0 0 10px; background: #fbf6ef; color: #665f59; font-size: 12px; line-height: 1.85; }
.studio-disclaimer strong { color: var(--navy); }
.studio-section { max-width: var(--studio-width); margin: 0 auto; padding: 90px clamp(24px,5vw,72px); scroll-margin-top: 74px; }
.studio-section.tinted { max-width: none; background: var(--studio-soft); }
.studio-section.tinted > * { max-width: calc(var(--studio-width) - 144px); margin-right: auto; margin-left: auto; }
.studio-section-head { display: flex; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 27px; }
.studio-section-head h2 { margin: 8px 0 0; color: var(--navy); font-size: clamp(28px,3vw,42px); letter-spacing: -.04em; line-height: 1.35; }
.studio-section-head p { max-width: 380px; margin: 0; color: #6b7c8a; font-size: 13px; line-height: 1.8; }
.loading-note,.empty-note { padding: 24px; color: var(--muted); font-size: 13px; }
.studio-footer { display: flex; align-items: center; justify-content: space-between; gap: 18px; min-height: 80px; padding: 20px clamp(24px,5vw,72px); border-top: 1px solid var(--line); color: #6f7f8d; font-size: 11px; }
.studio-footer a { font-weight: 700; }
.closing-section { display: flex; align-items: center; justify-content: space-between; gap: 35px; border-top: 1px solid var(--line); }
.closing-section h2 { margin: 8px 0; color: var(--navy); font-size: clamp(28px,3vw,39px); line-height: 1.4; }
.closing-section p { max-width: 590px; color: var(--muted); font-size: 13px; }
.closing-links { display: grid; gap: 8px; min-width: 245px; }
.closing-links a { display: flex; justify-content: space-between; gap: 14px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 9px; color: var(--navy); background: #fff; text-decoration: none; font-size: 12px; font-weight: 700; }
.closing-links a:hover { background: var(--soft-blue); border-color: #bad1dc; }
.source-pills { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 15px; }
.source-pills a { display: inline-flex; align-items: center; padding: 5px 8px; border-radius: 6px; background: #eaf2f6; color: #225974; font-size: 11px; font-weight: 700; text-decoration: none; }
.source-pills a:hover { background: #dcecf3; }
.detail-caveat { margin: 16px 0 0; color: #7b8790; font-size: 10px; line-height: 1.8; }
.decision-prompt-list { display: grid; gap: 9px; }
.prompt-item { border: 1px solid var(--line); border-radius: 11px; background: #fff; }
.prompt-item summary { display: flex; align-items: center; gap: 13px; padding: 15px 18px; color: var(--navy); cursor: pointer; list-style: none; font-size: 13px; }
.prompt-item summary::-webkit-details-marker { display: none; }
.prompt-item summary span { color: var(--copper); font-size: 10px; font-weight: 700; }
.prompt-item summary strong { flex: 1; }
.prompt-item summary b { color: var(--copper); font-size: 18px; font-weight: 400; }
.prompt-item[open] summary b { transform: rotate(45deg); }
.prompt-answer { padding: 0 20px 20px; border-top: 1px solid #eef2f4; }
.prompt-answer h3 { margin: 13px 0 7px; font-size: 13px; }
.prompt-answer p,.prompt-answer li { color: #5f7180; font-size: 12px; }
.prompt-answer ul { margin: 4px 0 12px; padding-right: 20px; }
.evidence-chip,.mini-chip { display: inline-flex; align-items: center; padding: 3px 8px; border-radius: 30px; font-size: 10px; font-weight: 700; }
.evidence-chip.supported,.mini-chip.green { color: #206a58; background: #e9f5f1; }
.evidence-chip.incorrect,.mini-chip.red { color: #9a4c36; background: #fbece8; }
.evidence-chip.conditional,.mini-chip.amber { color: #93601f; background: #fbf1df; }
.evidence-chip.unverified,.mini-chip.gray { color: #687887; background: #edf1f3; }
.outline-action { min-height: 38px; padding: 7px 13px; border: 1px solid var(--line-strong); border-radius: 9px; color: var(--navy); background: #fff; font-size: 12px; font-weight: 700; }
.outline-action:hover { border-color: #91b4c4; background: #eff6f8; }
.field-label { display: block; margin-bottom: 7px; color: var(--navy); font-size: 11px; font-weight: 700; }
input[type="search"],select { width: 100%; min-height: 43px; padding: 8px 12px; border: 1px solid #d1dde3; border-radius: 9px; outline: none; color: var(--navy); background: #fff; font-size: 12px; }
input[type="search"]:focus,select:focus { border-color: #628ea4; box-shadow: 0 0 0 3px #e0eef4; }
.info-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; }
.info-cell { padding: 17px; border: 1px solid var(--line); border-radius: 10px; background: #fbfcfd; }
.info-cell .cell-label { display: block; margin-bottom: 5px; color: #7b8a98; font-size: 10px; font-weight: 700; }
.info-cell p { margin: 0; color: var(--ink); font-size: 12px; line-height: 1.8; }
.info-cell.wide { grid-column: 1/-1; }

/* The learning lab */
.proof-visual { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; align-content: center; }
.learning-path { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); gap: 8px; max-width: calc(var(--studio-width) - 144px); margin: 15px auto 0; padding: 0; }
.learning-path a { display: grid; align-content: start; gap: 3px; min-height: 116px; padding: 14px; border: 1px solid var(--line); border-radius: 11px; color: var(--ink); background: #fff; text-decoration: none; }
.learning-path a:hover { border-color: #9dbbc8; background: #f6fafb; }
.learning-path span { color: var(--copper); font-size: 10px; font-weight: 700; }
.learning-path strong { color: var(--navy); font-size: 12px; }
.learning-path small { color: #738594; font-size: 10px; line-height: 1.55; }
.proof-step { min-height: 132px; padding: 19px; border: 1px solid #dce6e9; border-radius: 13px; background: #fff; }
.proof-step.final { color: #fff; border-color: var(--navy); background: var(--navy); }
.proof-step span { display: block; color: var(--copper); font-size: 11px; font-weight: 700; }
.proof-step strong { display: block; margin: 9px 0 1px; color: var(--navy); font-size: 15px; }
.proof-step.final strong { color: #fff; }
.proof-step small { color: #81909c; font-size: 10px; }
.proof-step.final small { color: #c8dbe4; }
.tool-layout { display: grid; grid-template-columns: 300px minmax(0,1fr); align-items: start; gap: 18px; }
.tool-rail { padding: 17px; border: 1px solid var(--line); border-radius: 16px; background: #f8fafb; }
.choice-list { display: grid; gap: 6px; max-height: 520px; margin-top: 15px; overflow: auto; }
.choice-list button { padding: 11px 13px; border: 1px solid transparent; border-radius: 9px; color: #506575; background: transparent; text-align: right; font-size: 12px; line-height: 1.6; }
.choice-list button:hover,.choice-list button[aria-pressed="true"] { border-color: #ccdee6; color: var(--navy); background: #fff; }
.choice-list button small { display: block; color: var(--copper); font-size: 9px; font-weight: 700; }
.tool-stage { min-height: 430px; padding: clamp(22px,3vw,38px); border: 1px solid var(--line); border-radius: 17px; background: #fff; box-shadow: var(--shadow); }
.tool-stage h3 { margin: 15px 0 20px; font-size: clamp(20px,2vw,27px); line-height: 1.55; }
.tool-stage .verdict-box { margin-bottom: 18px; padding: 15px 18px; border-right: 3px solid var(--green); border-radius: 7px 0 0 7px; background: #f0f7f5; }
.tool-stage .verdict-box p { margin: 5px 0 0; font-size: 14px; }
.tool-stage .limit-box { margin-top: 12px; padding: 14px 18px; border-right: 3px solid var(--copper); border-radius: 7px 0 0 7px; background: #fbf6ef; color: #665f59; font-size: 13px; }
.scenario-tool { display: grid; grid-template-columns: minmax(0,1fr) 270px; gap: 16px; }
.scenario-main,.scenario-nav { padding: clamp(19px,2.6vw,31px); border: 1px solid var(--line); border-radius: 16px; background: #fff; }
.scenario-main h3 { margin: 10px 0 15px; font-size: 20px; }
.scenario-main p { color: #5d6f7e; font-size: 13px; }
.answer-list { display: grid; gap: 8px; margin-top: 20px; }
.answer-list button { padding: 12px 14px; border: 1px solid var(--line); border-radius: 9px; color: var(--navy); background: #fff; text-align: right; font-size: 12px; }
.answer-list button:hover:not(:disabled) { border-color: #9dbbc8; background: #f4f9fb; }
.answer-list button.correct { border-color: #7fbaaa; color: #1b6352; background: #ecf7f2; }
.answer-list button.incorrect { border-color: #dfa99b; color: #9a4c36; background: #fcf0ec; }
.answer-feedback { margin-top: 16px; padding: 15px 17px; border: 1px solid #d5e5e2; border-radius: 9px; background: #f2f8f6; font-size: 12px; }
.answer-feedback p { margin: 5px 0 0; }
.scenario-nav { align-self: start; }
.scenario-nav h4 { margin: 0 0 10px; color: var(--navy); }
.scenario-nav button { display: block; width: 100%; margin-top: 7px; padding: 8px 11px; border: 1px solid transparent; border-radius: 8px; color: #607383; background: transparent; text-align: right; font-size: 11px; }
.scenario-nav button[aria-pressed="true"],.scenario-nav button:hover { border-color: #d0e0e7; color: var(--navy); background: #f0f6f8; }
.scenario-nav .score-line { margin: 15px 0 0; color: #647787; font-size: 11px; }
.practice-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 15px; }
.practice-card { min-width: 0; padding: 23px; border: 1px solid var(--line); border-radius: 15px; background: #fff; }
.practice-card h3 { margin: 6px 0 7px; font-size: 17px; }
.practice-card p { color: #607181; font-size: 12px; }
.practice-card .answer-list { margin-top: 14px; }
.practice-card .answer-list button { padding: 9px 11px; font-size: 11px; }
.concept-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 13px; }
.concept-card { min-height: 212px; padding: 20px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.concept-card .concept-term { color: var(--copper); font-size: 11px; font-weight: 700; }
.concept-card h3 { margin: 9px 0 6px; font-size: 17px; }
.concept-card p { color: #657586; font-size: 12px; }
.concept-card button { margin-top: 12px; }
.concept-answer { margin-top: 13px; padding-top: 12px; border-top: 1px solid var(--line); font-size: 12px; }
.concept-answer strong { color: var(--navy); }
.concept-answer p { margin: 7px 0; }

/* Opportunities */
.opportunity-visual { display: grid; align-content: center; }
.opportunity-axis { display: flex; justify-content: space-between; gap: 8px; padding-bottom: 15px; border-bottom: 1px solid #d7e3e8; color: #6d8190; font-size: 10px; font-weight: 700; }
.opportunity-rings { position: relative; min-height: 280px; text-align: center; background: radial-gradient(circle,#102f48 0 69px,transparent 70px 94px,#d2e0e6 95px 96px,transparent 97px 133px,#d2e0e6 134px 135px,transparent 136px); }
.opportunity-rings span,.opportunity-rings strong,.opportunity-rings small { position: absolute; right: 50%; transform: translateX(50%); white-space: nowrap; }
.opportunity-rings span { top: 19px; color: var(--copper); font-size: 11px; font-weight: 700; }
.opportunity-rings strong { top: 50%; transform: translate(50%,-50%); color: #fff; font-size: 16px; }
.opportunity-rings small { bottom: 14px; color: #728694; font-size: 9px; }
.portfolio-controls { display: grid; grid-template-columns: 1.6fr repeat(3,minmax(0,1fr)); gap: 10px; margin-bottom: 18px; }
.value-streams { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 9px; margin-bottom: 20px; }
.value-streams button { min-height: 130px; padding: 15px; border: 1px solid var(--line); border-top: 3px solid var(--stream-color); border-radius: 11px; color: var(--ink); background: #fff; text-align: right; }
.value-streams button:hover,.value-streams button[aria-pressed="true"] { border-color: var(--stream-color); border-top-color: var(--stream-color); background: #f8fbfc; }
.value-streams .stream-title { display: block; color: var(--navy); font-size: 13px; font-weight: 700; }
.value-streams .stream-question { display: block; margin: 6px 0 0; color: #6a7b89; font-size: 10px; line-height: 1.65; }
.portfolio-controls label,.compare-controls label { color: #6f7e8d; font-size: 10px; font-weight: 700; }
.portfolio-controls input,.portfolio-controls select,.compare-controls select { margin-top: 5px; }
.portfolio-layout { display: grid; grid-template-columns: minmax(0,1fr) minmax(320px,.88fr); align-items: start; gap: 17px; }
.result-count { margin: 0 0 9px; color: #71818e; font-size: 11px; }
.opportunity-board { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; }
.opportunity-board,.opportunity-detail { scroll-margin-top: 118px; }
.portfolio-card { min-width: 0; min-height: 168px; padding: 18px; border: 1px solid var(--line); border-radius: 13px; background: #fff; color: var(--ink); text-align: right; }
.portfolio-card:hover,.portfolio-card[aria-pressed="true"] { border-color: #9ebdc9; background: #f6fafb; box-shadow: 0 12px 24px rgba(11,42,61,.06); }
.portfolio-card .portfolio-title { display: block; margin: 8px 0 5px; color: var(--navy); font-size: 15px; line-height: 1.5; }
.portfolio-card .portfolio-problem { display: block; color: #657787; font-size: 12px; line-height: 1.7; }
.portfolio-card .card-tail { display: flex; justify-content: space-between; gap: 7px; margin-top: 13px; padding-top: 10px; border-top: 1px solid var(--line); color: #728594; font-size: 9px; }
.opportunity-detail { position: sticky; top: 94px; max-height: calc(100vh - 110px); padding: clamp(22px,2.6vw,32px); overflow-y: auto; border: 1px solid #cfdde3; border-radius: 16px; background: #fff; box-shadow: var(--shadow); }
.opportunity-detail h3 { margin: 7px 0 12px; font-size: 25px; }
.opportunity-detail .detail-lead { color: #586e7f; font-size: 12px; }
.opportunity-detail .detail-meta { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 17px; }
.opportunity-detail .info-grid { grid-template-columns: 1fr; }
.opportunity-detail .info-cell { padding: 13px; }
.opportunity-detail .info-cell p,.opportunity-detail li { font-size: 11px; }
.mobile-back { display: none; margin-bottom: 13px; }
.opportunity-detail ul { margin: 7px 0 0; padding-right: 19px; }
.map-shell { padding: 15px 20px 20px; border: 1px solid var(--line); border-radius: 17px; background: #fff; }
.map-y-label,.map-x-label { color: #758694; font-size: 10px; font-weight: 700; }
.map-y-label { margin-bottom: 9px; }
.map-x-label { display: flex; justify-content: space-between; gap: 8px; margin-top: 7px; }
.opportunity-map { position: relative; min-height: 420px; border-right: 1px solid #9eb3bf; border-bottom: 1px solid #9eb3bf; background: linear-gradient(to left,transparent calc(50% - .5px),#e2eaee 50%,transparent calc(50% + .5px)),linear-gradient(to top,transparent calc(50% - .5px),#e2eaee 50%,transparent calc(50% + .5px)),linear-gradient(135deg,#f7fbfc,#fff); }
.map-dot { position: absolute; display: grid; place-items: center; width: 39px; height: 39px; transform: translate(50%,50%); border: 2px solid #fff; border-radius: 50%; color: #fff; box-shadow: 0 4px 12px rgba(11,42,61,.17); font-size: 10px; font-weight: 700; }
.map-dot:hover,.map-dot:focus-visible { z-index: 2; scale: 1.13; }
.map-dot span { position: absolute; bottom: 44px; right: 50%; width: max-content; max-width: 180px; transform: translateX(50%); padding: 5px 8px; border-radius: 6px; color: var(--navy); background: #fff; box-shadow: 0 3px 12px rgba(10,40,60,.15); visibility: hidden; font-size: 10px; }
.map-dot:hover span,.map-dot:focus-visible span { visibility: visible; }
.selection-grid,.stakeholder-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 12px; }
.selection-card,.stakeholder-card { padding: 20px; border: 1px solid var(--line); border-radius: 13px; background: #fff; }
.selection-card span { color: var(--copper); font-size: 11px; font-weight: 700; }
.selection-card h3,.stakeholder-card h3 { margin: 5px 0 8px; font-size: 15px; }
.selection-card p,.stakeholder-card p { margin: 0; color: #617586; font-size: 11px; }
.pilot-panel { margin-top: 25px; padding: 24px; border: 1px solid #cad9e0; border-radius: 16px; background: #f7fafb; }
.pilot-panel h3 { margin: 0 0 14px; }
.pilot-steps { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 9px; }
.pilot-step { padding: 15px; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.pilot-step span { color: var(--copper); font-size: 10px; font-weight: 700; }
.pilot-step strong { display: block; color: var(--navy); font-size: 12px; }
.pilot-step p,.pilot-step small { color: #697d8b; font-size: 10px; }
.pilot-step p { margin: 5px 0; }
.stakeholder-card .exchange { padding: 9px 0; border-top: 1px solid var(--line); color: var(--ink); font-size: 11px; }

/* Person journey */
.person-visual { position: relative; display: grid; place-items: center; min-height: 370px; }
.person-visual::before,.person-visual::after { content: ""; position: absolute; width: 255px; height: 255px; border: 1px solid #cfdee4; border-radius: 50%; }
.person-visual::after { width: 185px; height: 185px; border-color: #d9b999; }
.person-core { z-index: 1; display: grid; place-items: center; width: 135px; height: 135px; border-radius: 50%; color: #fff; background: var(--navy); font-size: 19px; font-weight: 700; }
.person-chip { position: absolute; z-index: 2; min-width: 82px; padding: 5px 9px; border: 1px solid #d5e2e7; border-radius: 18px; background: #fff; color: var(--navy); text-align: center; font-size: 10px; font-weight: 700; box-shadow: 0 4px 12px rgba(11,42,61,.07); }
.person-chip.c1 { top: 28px; right: 42%; }.person-chip.c2 { top: 111px; right: 0; }.person-chip.c3 { top: 120px; left: 0; }.person-chip.c4 { bottom: 39px; right: 16%; }.person-chip.c5 { bottom: 43px; left: 11%; }
.role-tabs { display: flex; flex-wrap: wrap; gap: 7px; }
.role-tabs button { padding: 8px 14px; border: 1px solid #d2dfe5; border-radius: 25px; color: #607383; background: #fff; font-size: 12px; font-weight: 700; }
.role-tabs button:hover,.role-tabs button[aria-pressed="true"] { border-color: var(--navy); color: #fff; background: var(--navy); }
.role-summary { margin: 17px 0; padding: 20px 22px; border: 1px solid #d4e1e6; border-radius: 13px; background: #f4f9fa; }
.role-summary h3 { margin: 0 0 5px; font-size: 19px; }
.role-summary p { margin: 0; color: #607586; font-size: 12px; }
.person-layout { display: grid; grid-template-columns: 275px minmax(0,1fr); gap: 17px; }
.person-stages { display: grid; align-content: start; gap: 7px; }
.person-stages button { display: flex; align-items: center; gap: 10px; padding: 12px; border: 1px solid var(--line); border-radius: 10px; color: #536a7c; background: #fff; text-align: right; font-size: 12px; font-weight: 700; }
.person-stages button[aria-pressed="true"],.person-stages button:hover { border-color: #91b7c7; color: var(--navy); background: #f1f7f9; }
.person-stages button span { display: grid; place-items: center; flex: none; width: 27px; height: 27px; border-radius: 8px; color: var(--copper); background: #f9f0e7; font-size: 10px; }
.person-stage-detail { min-height: 400px; padding: clamp(22px,3vw,36px); border: 1px solid var(--line); border-radius: 16px; background: #fff; box-shadow: var(--shadow); }
.person-stage-detail h3 { margin: 6px 0 18px; font-size: 27px; }
.person-stage-detail .info-grid { margin-top: 16px; }
.compare-controls { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; max-width: 700px; margin-bottom: 16px; }
.role-comparison { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; }
.compare-card { padding: 22px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.compare-card h3 { margin: 0 0 8px; }
.compare-card p,.compare-card li { color: #5c7181; font-size: 12px; }
.compare-card ul { padding-right: 20px; }
.three-lens { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 13px; }
.three-lens article { padding: 23px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.three-lens span { color: var(--copper); font-size: 11px; font-weight: 700; }
.three-lens h3 { margin: 10px 0; font-size: 17px; }
.three-lens p { color: #617586; font-size: 12px; }

/* Case paths */
.case-visual { display: grid; place-content: center; justify-items: center; gap: 19px; }
.case-node { display: grid; place-items: center; width: 108px; height: 47px; border: 1px solid #c9d9e0; border-radius: 10px; color: var(--navy); background: #fff; font-size: 12px; font-weight: 700; }
.case-node.n2 { color: #fff; border-color: var(--navy); background: var(--navy); }
.case-fork { display: flex; width: 270px; justify-content: space-between; padding-top: 15px; border-top: 1px solid #a4bbc6; color: var(--copper); font-size: 10px; font-weight: 700; }
.case-paths { display: flex; gap: 9px; }
.case-paths strong { padding: 7px 11px; border: 1px solid #d2e0e5; border-radius: 8px; color: #5b7180; background: #fff; font-size: 11px; }
.case-toolbar { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-bottom: 13px; }
.case-breadcrumb { display: flex; flex-wrap: wrap; gap: 5px; color: #708493; font-size: 10px; }
.case-breadcrumb span { padding: 4px 8px; border-radius: 20px; background: #edf4f6; }
.case-breadcrumb span:last-child { color: #fff; background: var(--navy); }
.case-tools { display: flex; gap: 6px; }
.case-simulator { display: grid; grid-template-columns: minmax(0,1.35fr) minmax(270px,.65fr); gap: 15px; }
.case-node-detail,.case-options { padding: clamp(22px,3vw,35px); border: 1px solid var(--line); border-radius: 16px; background: #fff; box-shadow: var(--shadow); }
.case-node-detail h3 { margin: 7px 0 14px; font-size: 29px; }
.case-node-detail .node-description { color: #566d7e; font-size: 13px; }
.case-node-detail .info-grid { margin-top: 16px; }
.case-options { align-self: start; }
.case-options h3 { margin: 0 0 14px; font-size: 15px; }
.case-options button { display: block; width: 100%; margin-top: 8px; padding: 13px; border: 1px solid var(--line); border-radius: 10px; color: var(--navy); background: #fdfefe; text-align: right; }
.case-options button:hover { border-color: #9abccc; background: #f4f9fa; }
.case-options button strong { display: block; font-size: 12px; }
.case-options button small { display: block; margin-top: 4px; color: #708391; font-size: 10px; line-height: 1.6; }
.case-map { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 10px; }
.case-map button { min-height: 120px; padding: 16px; border: 1px solid var(--line); border-radius: 12px; color: var(--ink); background: #fff; text-align: right; }
.case-map button:hover { border-color: #9bbbc8; background: #f7fbfc; }
.case-map button span { display: block; color: var(--copper); font-size: 10px; font-weight: 700; }
.case-map button strong { display: block; margin: 5px 0; color: var(--navy); font-size: 13px; }
.case-map button small { color: #718290; font-size: 10px; }
.work-lens-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 13px; }
.work-lens-card { padding: 22px; border: 1px solid var(--line); border-radius: 13px; background: #fff; }
.work-lens-card span { color: var(--copper); font-size: 11px; font-weight: 700; }
.work-lens-card h3 { margin: 9px 0; font-size: 16px; }
.work-lens-card p { color: #647687; font-size: 12px; }

@media (max-width: 1100px) {
  .studio-hero { grid-template-columns: minmax(0,1fr) minmax(250px,.75fr); }
  .portfolio-layout { grid-template-columns: minmax(0,1fr) minmax(300px,.8fr); }
  .opportunity-board { grid-template-columns: 1fr; }
  .case-map { grid-template-columns: repeat(3,minmax(0,1fr)); }
}
@media (max-width: 860px) {
  .studio-header { flex-wrap: wrap; padding-block: 10px 0; gap: 6px; }
  .studio-nav { width: 100%; padding-bottom: 6px; }
  .studio-hero { grid-template-columns: 1fr; padding-top: 60px; }
  .hero-panel { min-height: 290px; }
  .proof-visual { min-height: 290px; }
  .studio-section-head { align-items: start; flex-direction: column; gap: 9px; }
  .studio-disclaimer { margin-inline: 24px; }
  .learning-path { grid-template-columns: repeat(3,minmax(0,1fr)); margin-inline: 24px; }
  .tool-layout,.portfolio-layout,.person-layout,.case-simulator { grid-template-columns: 1fr; }
  .choice-list { max-height: 230px; }
  .opportunity-detail { position: static; max-height: none; }
  .mobile-back { display: inline-flex; }
  .opportunity-board { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .scenario-tool { grid-template-columns: 1fr; }
  .scenario-nav { display: flex; flex-wrap: wrap; align-items: center; gap: 4px; }
  .scenario-nav h4 { flex-basis: 100%; }
  .scenario-nav button { width: auto; margin: 0; }
  .scenario-nav .score-line { flex-basis: 100%; }
  .concept-grid,.selection-grid,.stakeholder-grid,.three-lens,.work-lens-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .case-map { grid-template-columns: repeat(2,minmax(0,1fr)); }
}
@media (max-width: 620px) {
  .studio-header { min-height: 0; }
  .studio-brand strong { font-size: 13px; }
  .studio-brand .brand-symbol { flex-basis: 36px; width: 36px; height: 36px; font-size: 21px; }
  .studio-nav a { padding: 7px 9px; font-size: 10px; }
  .studio-hero { padding: 48px 20px 40px; gap: 25px; }
  .studio-hero h1 { font-size: clamp(35px,10vw,48px); }
  .studio-hero p { font-size: 14px; }
  .hero-panel { padding: 16px; }
  .studio-disclaimer { margin: 0 20px 12px; }
  .studio-section { padding: 65px 20px; scroll-margin-top: 118px; }
  .studio-section-head h2 { font-size: 29px; }
  .portfolio-controls { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .value-streams,.learning-path { grid-template-columns: repeat(2,minmax(0,1fr)); margin-inline: 20px; }
  .portfolio-controls label:first-child { grid-column: 1/-1; }
  .opportunity-board,.practice-grid,.concept-grid,.selection-grid,.stakeholder-grid,.pilot-steps,.three-lens,.work-lens-grid,.role-comparison { grid-template-columns: 1fr; }
  .proof-step { min-height: 114px; padding: 13px; }
  .proof-step strong { font-size: 13px; }
  .proof-step small { font-size: 9px; }
  .person-visual { min-height: 300px; }
  .case-map { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .opportunity-map { min-height: 320px; }
  .closing-section { align-items: start; flex-direction: column; }
  .closing-links { width: 100%; }
  .studio-footer { align-items: start; flex-direction: column; }
}
@media (max-width: 390px) {
  .studio-hero .hero-actions { display: grid; }
  .proof-visual { gap: 7px; }
  .proof-step { min-height: 106px; }
  .compare-controls,.info-grid,.portfolio-controls { grid-template-columns: 1fr; }
  .portfolio-controls label:first-child { grid-column: auto; }
  .case-map { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { animation-duration: .01ms !important; transition-duration: .01ms !important; } }