:root{--navy:#071f4b;--green:#0b642f;--red:#a51d23;--gold:#b98210;--cream:#f6f1e7;--ink:#172033;--muted:#667085;--line:#ddd4c4;--white:#fff;--max:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font-family:Arial,Helvetica,sans-serif;line-height:1.58}a{color:inherit}.wrap{width:min(var(--max),calc(100% - 40px));margin:auto}.top{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);border-bottom:1px solid #e7e7e7;backdrop-filter:blur(10px)}.nav{min-height:72px;display:flex;align-items:center;gap:20px}.brand{font-weight:900;color:var(--navy);font-size:24px;text-decoration:none;margin-right:auto}.nav a{text-decoration:none;font-size:13px;font-weight:800}.booknav{display:flex;gap:3px}.booknav a{padding:9px 9px;border-radius:7px}.booknav a:hover,.booknav a.active{background:var(--cream)}.utility{display:flex;gap:16px}.utility .resources{color:var(--green)}
.hero{background:radial-gradient(circle at 50% 25%,#fff 0%,#f8f5ee 58%,#eee6d6 100%);padding:68px 0 54px;text-align:center}.eyebrow{text-transform:uppercase;letter-spacing:.2em;font-size:12px;font-weight:900;color:var(--gold)}h1{font-size:clamp(46px,7vw,82px);line-height:.98;margin:14px 0 12px;color:var(--navy)}.strap{font-weight:900;letter-spacing:.1em;color:var(--navy);font-size:clamp(13px,2vw,19px)}.hero h2{font-size:clamp(24px,3vw,38px);margin:24px 0 9px}.lead{font-size:19px;max-width:800px;margin:0 auto;color:#465164}.actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:26px}.btn{display:inline-block;padding:12px 18px;border-radius:7px;text-decoration:none;font-weight:900;border:1px solid var(--navy)}.primary{background:var(--navy);color:#fff}.secondary{background:#fff;color:var(--navy)}
.hero-symbols{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;max-width:780px;margin:36px auto 0}.hero-symbols img{width:100%;aspect-ratio:1;object-fit:contain;filter:drop-shadow(0 10px 12px rgba(0,0,0,.14))}.hero-symbols span{display:block;font-size:11px;font-weight:900;letter-spacing:.14em;color:var(--navy);margin-top:6px}
section{padding:66px 0}.section-title{text-align:center;max-width:850px;margin:0 auto 34px}.section-title h2{font-size:clamp(30px,4vw,46px);color:var(--navy);margin:0 0 8px}.section-title p{font-size:18px;color:#566174;margin:0}.compass-grid,.split{display:grid;grid-template-columns:1fr 1.08fr;gap:48px;align-items:center}.compass-grid img,.split img{width:100%;object-fit:contain}.question{font-family:Georgia,serif;font-size:clamp(30px,4vw,50px);line-height:1.15;margin:0 0 18px}.net{font-weight:800;color:var(--green)}.dual{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:16px;overflow:hidden}.dual>div{padding:30px}.value{background:#eef7f0}.friction{background:#fff0f0}.dual h3{font-size:24px;margin:0 0 13px}.value h3{color:var(--green)}.friction h3{color:var(--red)}.six{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.pill{background:#fff;border:1px solid rgba(0,0,0,.1);padding:12px 10px 11px;border-radius:8px;font-weight:800;text-align:center;min-height:92px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px}.pill img{width:40px;height:40px;object-fit:contain;display:block}.pill span{display:block;line-height:1.15}
.journey,.dark{background:var(--navy);color:#fff}.journey .section-title h2,.journey .section-title p,.dark h2{color:#fff}.journey-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.book{background:#fff;color:var(--ink);border-radius:14px;padding:23px;min-height:375px;display:flex;flex-direction:column}.num{font-size:11px;letter-spacing:.14em;font-weight:900;color:var(--muted)}.symbol{height:110px;display:grid;place-items:center}.symbol img{height:104px;width:104px;object-fit:contain;filter:drop-shadow(0 7px 8px rgba(0,0,0,.16))}.book h3{font-size:23px;line-height:1.08;color:var(--navy);margin:8px 0}.role{text-transform:uppercase;letter-spacing:.12em;font-size:11px;font-weight:900;color:var(--gold)}.book p{font-size:15px}.book a{margin-top:auto;font-weight:900;color:var(--navy);text-decoration:none}.connector{text-align:center;font-weight:900;margin-top:24px;letter-spacing:.08em;color:#d7dfef}
.cost{background:#f8f5ee}.cost-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:center}.cost-visual{background:white;border:1px solid var(--line);border-radius:14px;padding:16px}.cost-visual img{width:100%;display:block}.cost-tabs{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin-top:14px}.cost-tabs button{border:1px solid var(--line);background:#fff;border-radius:7px;padding:9px 6px;font-weight:800;cursor:pointer}.cost-tabs button.active{background:var(--navy);color:#fff}.cost h2{font-family:Georgia,serif;font-size:clamp(34px,4vw,52px);line-height:1.1;margin:0 0 15px}.cost em{color:var(--red)}
.resource-grid,.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.resource,.feature{border:1px solid var(--line);border-radius:12px;padding:22px;background:#fff}.resource h3,.feature h3{color:var(--navy);margin-top:0}.resource .icon{width:76px;height:76px;object-fit:contain;float:right;margin-left:12px}.resource a{font-weight:900;color:var(--green);text-decoration:none}.soft{background:#f7f8fa}.quote{font-family:Georgia,serif;font-size:28px;line-height:1.3;color:var(--navy)}.final{text-align:center;background:var(--cream)}.final h2{font-size:38px;color:var(--navy);margin:0 0 8px}.seriesbar{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin:24px 0}.seriesbar a{background:#fff;border:1px solid var(--line);padding:10px 13px;border-radius:8px;text-decoration:none;font-weight:800;font-size:13px}footer{background:#061631;color:#cfd6e5;padding:30px 0;font-size:13px;text-align:center}
.bookhero{padding:58px 0;background:linear-gradient(135deg,#f9f6ef,#fff)}.bookhero-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:48px;align-items:center}.bookhero img{width:100%;max-width:300px;margin:auto;display:block;filter:drop-shadow(0 14px 14px rgba(0,0,0,.14))}.bookhero h1{font-size:clamp(42px,6vw,68px)}.bookhero .subtitle{font-family:Georgia,serif;font-size:25px;color:#3c4658}.bigq{font-family:Georgia,serif;font-size:clamp(29px,4vw,46px);line-height:1.18;color:var(--navy)}.sixcards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.sixcard{border:1px solid var(--line);border-radius:10px;padding:20px;background:#fff}.sixcard strong{color:var(--navy);display:block;margin-bottom:5px}.resource-callout{border:2px solid var(--green);background:#f0f8f2;border-radius:16px;padding:30px}.resource-callout h2{margin-top:0;color:var(--green)}
@media(max-width:900px){.booknav{display:none}.compass-grid,.split,.cost-grid,.bookhero-grid{grid-template-columns:1fr}.journey-grid,.resource-grid,.feature-grid{grid-template-columns:1fr 1fr}.dual{grid-template-columns:1fr}.utility a{display:none}.utility a.resources,.utility a[href="case-studies.html"]{display:inline}}@media(max-width:580px){.wrap{width:min(var(--max),calc(100% - 26px))}.hero-symbols{grid-template-columns:repeat(2,1fr)}.journey-grid,.resource-grid,.feature-grid,.sixcards{grid-template-columns:1fr}.six{grid-template-columns:1fr 1fr}.pill{min-height:82px}.pill img{width:32px;height:32px}.cost-tabs{grid-template-columns:repeat(3,1fr)}.nav{min-height:62px}.brand{font-size:20px}.hero{padding-top:48px}}

/* v4: physical book covers */
.cover-wrap{display:flex;justify-content:center;align-items:center}.bookhero img.book-cover{width:auto;max-width:300px;max-height:450px;filter:drop-shadow(0 18px 18px rgba(0,0,0,.22));border-radius:2px}.journey-cover{height:200px;display:flex;align-items:center;justify-content:center;margin:12px 0 4px}.journey-cover img{max-height:195px;max-width:190px;width:auto;object-fit:contain;filter:drop-shadow(0 10px 10px rgba(0,0,0,.22))}.journey-grid .book{min-height:570px}.journey-grid .symbol{height:72px}.journey-grid .symbol img{height:68px;width:68px}@media(max-width:900px){.bookhero img.book-cover{max-width:270px;max-height:405px}.journey-grid .book{min-height:540px}}

/* v6: expanded manuscript-grounded book pages */
.booklead{margin:18px 0 0}.actions.left{justify-content:flex-start}.core-question{padding:52px 0}.reading-width{max-width:900px}.reading-width p,.audience p{font-size:18px;color:#465164}.book-section-title{font-family:Georgia,serif;font-size:clamp(30px,4vw,46px);line-height:1.15;color:var(--navy);margin:8px 0 20px}.idea-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.idea{border-top:4px solid var(--gold);background:#fff;border-radius:8px;padding:20px;box-shadow:0 5px 18px rgba(7,31,75,.06)}.idea h3{color:var(--navy);margin:0 0 8px;font-size:20px}.idea p{margin:0;color:#566174}.figure-pair{display:grid;grid-template-columns:1fr 1fr;gap:24px}.figure-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px}.figure-card img{width:100%;max-height:470px;object-fit:contain}.figure-card h3{color:var(--navy);font-size:23px;margin:12px 0 6px}.figure-card p{margin:0;color:#566174}.process-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.process-row>div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px}.process-row strong{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--navy);color:#fff}.process-row h3{color:var(--navy);margin:14px 0 7px}.process-row p{margin:0;color:#566174}.architecture-flow{display:grid;grid-template-columns:repeat(6,1fr);gap:8px}.architecture-flow span{padding:18px 8px;text-align:center;border:1px solid var(--line);background:#fff;border-radius:9px;font-weight:900;color:var(--navy)}.statement{max-width:880px;margin:28px auto 0;text-align:center;font-family:Georgia,serif;font-size:24px;line-height:1.35;color:var(--navy)}.statement p{font-family:Arial,Helvetica,sans-serif;font-size:17px;color:#566174}.leverage-path{display:flex;align-items:stretch;justify-content:center;gap:9px}.leverage-path>div:not(.arrow){flex:1;background:#fff;border:1px solid var(--line);border-radius:10px;padding:18px;text-align:center}.leverage-path strong,.leverage-path span{display:block}.leverage-path strong{color:var(--navy);font-size:19px}.leverage-path span{font-size:14px;color:#566174;margin-top:6px}.leverage-path .arrow{display:grid;place-items:center;font-size:28px;color:var(--gold)}.question-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px;align-items:start}.question-grid h2{font-size:38px;margin:7px 0 10px}.question-grid p{color:#d8deea}.question-grid ul{margin:0;padding:0;list-style:none;display:grid;gap:10px}.question-grid li{border:1px solid rgba(255,255,255,.2);border-radius:8px;padding:13px 16px;font-family:Georgia,serif;font-size:18px;background:rgba(255,255,255,.05)}.audience{max-width:900px}.audience h2{font-size:36px;color:var(--navy);margin:7px 0 12px}
@media(max-width:900px){.idea-grid{grid-template-columns:1fr 1fr}.figure-pair,.question-grid{grid-template-columns:1fr}.process-row{grid-template-columns:1fr 1fr}.architecture-flow{grid-template-columns:repeat(3,1fr)}.leverage-path{display:grid;grid-template-columns:1fr}.leverage-path .arrow{transform:rotate(90deg)}}
@media(max-width:580px){.idea-grid,.process-row{grid-template-columns:1fr}.architecture-flow{grid-template-columns:1fr 1fr}.core-question{padding:40px 0}.reading-width p,.audience p{font-size:17px}}

/* Book 1 — Language of Improvement */
.improvement-language .section-title{max-width:820px;margin-bottom:34px}
.language-group{margin-top:34px}
.language-group+.language-group{margin-top:54px;padding-top:44px;border-top:1px solid rgba(22,45,36,.14)}
.language-group-heading{margin-bottom:20px}
.language-group-heading span{display:block;font-size:.78rem;font-weight:800;letter-spacing:.13em;text-transform:uppercase;margin-bottom:6px}
.value-group .language-group-heading span{color:#176b45}
.friction-group .language-group-heading span{color:#8d2830}
.language-group-heading h3{margin:0;font-size:1.35rem}
.language-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.language-card{display:flex;align-items:center;gap:14px;padding:16px 18px;border:1px solid rgba(22,45,36,.12);border-radius:14px;background:#fff;min-height:104px}
.language-card img{width:60px;height:60px;object-fit:contain;flex:0 0 60px}
.language-card strong{display:block;font-size:1.08rem;margin-bottom:5px}
.language-card p{margin:0;line-height:1.45;font-size:.94rem}
.value-group .language-card{border-top:3px solid rgba(23,107,69,.58)}
.friction-group .language-card{border-top:3px solid rgba(141,40,48,.58)}
@media(max-width:900px){.language-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.language-grid{grid-template-columns:1fr}.language-card{min-height:auto}.language-card img{width:50px;height:50px;flex-basis:50px}}

/* v7: Book 2 — The Language of Judgment */
.judgment-language .section-title{max-width:760px;margin-bottom:34px}
.judgment-group{margin-top:28px}
.judgment-group + .judgment-group{margin-top:54px;padding-top:42px;border-top:1px solid rgba(22,53,77,.16)}
.judgment-group-head{display:grid;grid-template-columns:210px 1fr;gap:24px;align-items:baseline;margin-bottom:22px}
.judgment-group-head>span{font-family:Georgia,'Times New Roman',serif;font-size:1.55rem;font-weight:700;color:#17334a}
.judgment-group-head p{margin:0;color:#5d6a72;max-width:650px}
.judgment-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.judgment-card{background:#fff;border:1px solid rgba(22,53,77,.13);border-radius:14px;padding:18px 20px;box-shadow:0 10px 28px rgba(20,43,61,.06)}
.judgment-card img{display:block;width:60px;height:60px;object-fit:contain;margin:0 auto 12px;filter:drop-shadow(0 5px 7px rgba(17,54,88,.12))}
.judgment-card strong{display:block;font-size:1.05rem;color:#17334a;margin-bottom:7px}
.judgment-card span{display:block;line-height:1.55;color:#59666f;font-size:.94rem}
.judgment-close{text-align:center;margin:54px auto 6px;font-size:1.05rem;letter-spacing:.12em;font-weight:800;color:#17334a}
.judgment-close span{color:#3476a6}
@media(max-width:820px){.judgment-grid{grid-template-columns:repeat(2,1fr)}.judgment-group-head{grid-template-columns:1fr;gap:6px}}
@media(max-width:540px){.judgment-grid{grid-template-columns:1fr}.judgment-card{display:grid;grid-template-columns:58px 1fr;column-gap:14px;align-items:start}.judgment-card img{width:50px;height:50px;grid-row:1/3;margin:0}.judgment-card strong{align-self:end}.judgment-close{line-height:1.8}}

/* Book 3 + Book 4 visual framework additions */
.architecture-intro{display:flex;justify-content:center;margin:8px auto 28px}.architecture-intro img{width:min(360px,72vw);height:auto;display:block}.icon-sixcards .sixcard{display:flex;align-items:flex-start;gap:14px}.icon-sixcards .sixcard img,.capability-card img{width:60px;height:60px;object-fit:contain;flex:0 0 60px}.icon-sixcards .sixcard strong{display:block;margin-bottom:4px}.capability-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;max-width:940px;margin:0 auto}.capability-card{display:flex;align-items:flex-start;gap:16px;padding:20px;border:1px solid rgba(31,42,55,.12);border-radius:16px;background:#fff}.capability-card strong{display:block;font-size:1.08rem;margin:2px 0 5px}.capability-card span{display:block;line-height:1.55}.leader-transition{display:grid;grid-template-columns:180px 1fr;gap:34px;align-items:center;max-width:850px;margin:34px auto 26px}.leader-transition img{width:180px;max-height:280px;object-fit:contain;justify-self:center}.leader-transition blockquote{font-family:Georgia,serif;font-size:clamp(1.5rem,3vw,2.25rem);line-height:1.18;margin:7px 0 14px;color:var(--navy)}.leader-transition p{margin:0;line-height:1.65}
@media(max-width:700px){.architecture-intro img{width:min(300px,82vw)}.icon-sixcards .sixcard img,.capability-card img{width:50px;height:50px;flex-basis:50px}.capability-grid{grid-template-columns:1fr}.leader-transition{grid-template-columns:1fr;gap:14px;text-align:center}.leader-transition img{width:120px;max-height:210px}.leader-transition .eyebrow{text-align:center}}

/* v11 — primary framework visuals */
.framework-visual{display:flex;justify-content:center;align-items:center;margin:10px auto 34px}
.framework-visual img{display:block;width:auto;height:auto;max-width:100%;object-fit:contain}
.framework-visual-tall img{max-width:520px;max-height:650px}
.framework-visual-wide img{max-width:760px;max-height:660px}
.framework-visual-landscape img{max-width:820px;max-height:620px}
.architecture-intro img{width:min(620px,88vw);max-height:650px;object-fit:contain}
@media(max-width:700px){.framework-visual{margin:6px auto 26px}.framework-visual-tall img{max-width:min(92vw,480px)}.framework-visual-wide img,.framework-visual-landscape img{max-width:96vw}.architecture-intro img{width:94vw;max-height:none}}
/* Book 4: text-only leadership transition after framework consolidation */
.leader-transition:has(> div:only-child){display:block;max-width:850px;margin:34px auto 26px}


/* Homepage cost-of-decision rotator */
.cost-image-stage{width:100%;aspect-ratio:16/9;overflow:hidden;border-radius:9px;background:#eee6d6}
.cost-image-stage img{width:100%;height:100%;display:block;object-fit:cover;opacity:1;transition:opacity .25s ease}
.cost-image-stage img.is-fading{opacity:0}
@media(prefers-reduced-motion:reduce){.cost-image-stage img{transition:none}}

/* Four-book journey card alignment and cover-style typography */
.journey-grid .book{
  display:grid;
  grid-template-rows:22px 200px 72px 16px 48px 86px 48px 52px minmax(120px,1fr) 28px;
  align-items:start;
  text-align:center;
  min-height:760px;
}
.journey-grid .book .num,.journey-grid .book .role,.journey-grid .book-purpose,.journey-grid .cover-title,.journey-grid .cover-subtitle,.journey-grid .book-equation,.journey-grid .book-explore{text-align:center}
.journey-grid .journey-cover{height:200px;margin:0;align-self:center}
.journey-grid .symbol{height:72px}
.journey-grid .role{align-self:center}
.book-purpose{font-size:13px;font-weight:800;line-height:1.25;color:var(--muted);display:flex;align-items:center;justify-content:center;padding:0 4px}
.cover-title{margin:0!important;color:var(--navy)!important;font-size:23px!important;line-height:.98!important;letter-spacing:.025em;font-weight:900;display:flex;flex-direction:column;align-items:center;justify-content:center;text-transform:uppercase}
.cover-title .small-the{font-size:11px;line-height:1.1;letter-spacing:.18em;margin-bottom:3px}
.cover-subtitle{font-size:14px;line-height:1.22;font-weight:800;color:var(--ink);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:0 3px}
.book-equation{align-self:center;font-size:12px;line-height:1.15;font-weight:900;letter-spacing:.075em;color:var(--gold);border-top:1px solid rgba(184,138,53,.42);border-bottom:1px solid rgba(184,138,53,.42);padding:9px 4px;width:100%;display:flex;align-items:center;justify-content:center}
.book-equation-stacked{flex-direction:column;gap:3px;font-size:10px;letter-spacing:.055em}
.journey-grid .book p.book-description{text-align:left;margin:8px 0 0;font-size:14px;line-height:1.48}
.journey-grid .book a.book-explore{margin:0;align-self:end;font-weight:900;color:var(--navy);text-decoration:none}
@media(max-width:900px){.journey-grid .book{min-height:730px;grid-template-rows:22px 200px 72px 16px 48px 86px 48px 52px minmax(100px,1fr) 28px}}
@media(max-width:580px){.journey-grid .book{min-height:auto;grid-template-rows:22px 200px 72px 16px 48px 86px 48px 52px auto 28px;row-gap:3px}.journey-grid .book p.book-description{min-height:0;margin-bottom:18px}}

/* Full cover-equation treatments */
.book-equation{flex-direction:column;gap:3px}
.book-equation .equation-outcome{font-size:1.08em;letter-spacing:.09em}
.book-page-equation{padding:24px 0 0;background:var(--cream)}
.book-equation-display{max-width:520px;margin:0 auto;text-align:center;border-top:1px solid rgba(184,138,53,.48);border-bottom:1px solid rgba(184,138,53,.48);padding:12px 18px;color:var(--gold);font-weight:900;letter-spacing:.075em;line-height:1.2;display:flex;flex-direction:column;gap:5px}
.book-equation-display .equation-outcome{font-size:1.08em;letter-spacing:.1em}
@media(max-width:700px){.book-page-equation{padding-top:18px}.book-equation-display{max-width:min(88vw,520px);padding:10px 12px;font-size:12px}}

/* Resources & book previews */
.resource-hero h1{font-size:clamp(42px,6.5vw,72px)}
.resource-key{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin:28px auto 4px}.resource-key span{border:1px solid var(--line);background:rgba(255,255,255,.8);padding:9px 12px;border-radius:999px;font-size:12px;color:#465164}.resource-key strong{color:var(--navy);letter-spacing:.08em;margin-right:5px}.hero-symbols a{text-decoration:none}.resource-book{max-width:1060px}.resource-book-head{display:grid;grid-template-columns:110px 1fr;gap:24px;align-items:center;margin-bottom:28px}.resource-book-head img{width:110px;height:110px;object-fit:contain;filter:drop-shadow(0 7px 8px rgba(0,0,0,.14))}.resource-book-head h2{font-size:clamp(30px,4vw,42px);color:var(--navy);margin:4px 0}.resource-subtitle{font-weight:800;margin:0;color:#465164}.resource-paths{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.resource-path{border:1px solid var(--line);border-radius:14px;background:#fff;padding:24px;display:flex;flex-direction:column;min-height:330px}.resource-action{font-size:11px;letter-spacing:.16em;font-weight:900;color:var(--gold);margin-bottom:8px}.resource-path h3{color:var(--navy);font-size:22px;line-height:1.15;margin:0 0 12px}.resource-path p{margin:0 0 12px}.resource-status{margin-top:auto;padding-top:15px;border-top:1px solid #eee7da;font-size:12px;font-weight:800;color:var(--muted)}.case-chips{display:flex;gap:7px;flex-wrap:wrap;margin:3px 0 14px}.case-chips span{font-size:12px;font-weight:800;border:1px solid var(--line);border-radius:999px;padding:6px 8px;background:#faf8f3}.resource-book-footer{margin-top:22px}.book-cases{background:#f7f8fa}.book-case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;max-width:900px;margin:0 auto}.book-case{background:#fff;border:1px solid var(--line);border-radius:10px;padding:17px 14px;text-align:center;color:var(--navy);font-weight:900}.resource-callout .actions{justify-content:flex-start}.resource-callout{max-width:900px;margin:auto}.resource-callout h2{color:var(--navy);font-size:clamp(30px,4vw,42px);margin:7px 0 10px}
@media(max-width:800px){.resource-paths{grid-template-columns:1fr}.resource-book-head{grid-template-columns:76px 1fr;gap:16px}.resource-book-head img{width:76px;height:76px}.resource-path{min-height:0}.book-case-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.resource-key{display:grid}.book-case-grid{grid-template-columns:1fr}}

/* Book 2 editorial illustrations */
.book-editorial{margin:0 auto 30px;max-width:920px}
.book-editorial img{display:block;width:100%;max-height:480px;object-fit:contain;border-radius:12px;box-shadow:0 12px 34px rgba(24,31,38,.10)}
.reading-width .book-editorial{max-width:760px}
.audience .book-editorial{max-width:820px}
@media(max-width:700px){.book-editorial{margin-bottom:22px}.book-editorial img{max-height:420px;border-radius:9px}}

/* Final cross-book visual normalization */
.bookhero img.book-cover{width:auto;height:auto;max-width:300px;max-height:420px;object-fit:contain}
.book-editorial,.editorial-visual{width:100%;max-width:760px;margin:36px auto 30px}
.book-editorial img,.editorial-visual img{display:block;width:100%;height:auto;max-height:480px;object-fit:contain;border-radius:12px;box-shadow:0 12px 34px rgba(24,31,38,.10)}
.reading-width .book-editorial,.audience .book-editorial{max-width:760px}
.book4-closing-visual{padding:18px 0 34px;background:var(--cream)}
.editorial-visual-closing{max-width:700px;margin-top:0;margin-bottom:0}
.framework-visual-tall img{max-width:380px;max-height:440px}
.framework-visual-wide img{max-width:460px;max-height:440px}
.architecture-intro img{width:min(430px,78vw);max-height:440px;object-fit:contain}
.framework-visual-landscape img{max-width:600px;max-height:450px}
.cost-image-stage{width:min(100%,680px);aspect-ratio:1/1;margin-inline:auto;overflow:hidden;border-radius:9px;background:#eee6d6}
.cost-image-stage img{width:100%;height:100%;display:block;object-fit:contain;opacity:1;transition:opacity .5s ease}
@media(max-width:700px){
 .bookhero img.book-cover{max-width:270px;max-height:380px}
 .book-editorial,.editorial-visual{max-width:100%;margin:28px auto 22px}
 .book-editorial img,.editorial-visual img{max-height:420px;border-radius:9px}
 .framework-visual-tall img{max-width:min(78vw,320px);max-height:400px}
 .framework-visual-wide img{max-width:min(88vw,400px);max-height:420px}
 .architecture-intro img{width:min(84vw,380px);max-height:420px}
 .framework-visual-landscape img{max-width:92vw;max-height:430px}
 .cost-image-stage{width:min(100%,560px)}
}


/* Final image scale correction — editorial art supports the page rather than dominating it */
.book-editorial,.editorial-visual{max-width:600px;margin:30px auto 26px}
.book-editorial img,.editorial-visual img{width:100%;height:auto;max-height:400px;object-fit:contain}
.reading-width .book-editorial,.audience .book-editorial{max-width:600px}
.editorial-visual-closing{max-width:560px}
@media(max-width:700px){
 .book-editorial,.editorial-visual{max-width:min(92vw,540px);margin:24px auto 20px}
 .book-editorial img,.editorial-visual img{max-height:360px}
}

/* Case-study explorer */
.case-index{max-width:1060px}.case-index>h2{font-size:clamp(32px,4.5vw,48px);color:var(--navy);margin:6px 0}.case-subhead{font-family:Georgia,'Times New Roman',serif;color:var(--navy);font-size:24px;margin:38px 0 16px}.case-detail-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.case-detail{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px}.case-detail h4{font-size:18px;line-height:1.2;color:var(--navy);margin:4px 0 12px}.case-detail p{font-size:14px;line-height:1.5;margin:7px 0}.case-chapter{font-size:11px;letter-spacing:.12em;font-weight:900;color:var(--gold)}.case-index-chips{display:flex;flex-wrap:wrap;gap:8px}.case-index-chips span{font-size:12px;font-weight:800;border:1px solid var(--line);border-radius:999px;padding:7px 10px;background:#fff}.challenge-chips span{background:#faf8f3;color:var(--navy)}
@media(max-width:800px){.case-detail-grid{grid-template-columns:1fr}.case-subhead{margin-top:30px}}

/* purchase, contact, and navigation refinements */
.btn.amazon{background:#fff7e6;color:#071f4b;border-color:#b98210}.btn.amazon:hover{background:#f7e7bd}.book-card-actions{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}.book-card-actions .book-explore{margin-top:0}.book-amazon{font-size:12px;font-weight:900;color:#7a5700!important;text-decoration:none;border-bottom:1px solid #b98210}.footer-connect{margin-top:7px}.footer-connect a{color:#fff;text-decoration:none;font-weight:800}.resource-book-footer{display:flex;gap:10px;flex-wrap:wrap}.about .actions.left{margin-top:18px}.utility a:hover{color:var(--green)}
@media(max-width:580px){.utility{gap:10px}.utility a{font-size:12px}.utility a[href="case-studies.html"]{display:none}}

/* Series formula color language — aligned with book-cover semantics */
.book-equation .equation-outcome,.book-equation-display .equation-outcome{color:var(--green)}
.book-equation .formula-positive,.book-equation-display .formula-positive{color:var(--green)}
.book-equation .formula-negative,.book-equation-display .formula-negative{color:var(--red)}
.book-equation .formula-sign,.book-equation-display .formula-sign{color:var(--gold);padding:0 .12em}
.book-equation .formula-causal,.book-equation-display .formula-causal{color:var(--navy)}

/* v14: homepage book-card cover alignment */
@media(min-width:901px){
.journey-grid .book{grid-template-rows:22px 200px 72px 16px 48px 58px 48px 48px minmax(120px,1fr) 28px;min-height:745px}
.journey-grid .cover-title{height:58px;position:relative;justify-content:flex-start;padding-top:18px;box-sizing:border-box}
.journey-grid .cover-title .small-the{position:absolute;top:0;left:0;right:0;margin:0;text-align:center}
.journey-grid .cover-title .main-title{white-space:nowrap;font-size:20px;line-height:1;letter-spacing:.015em}
.journey-grid .cover-title.has-the .main-title{font-size:20px}
.journey-grid .cover-subtitle{height:48px}
.journey-grid .book-equation{flex-direction:column;gap:3px;white-space:nowrap;font-size:9px;letter-spacing:.045em;padding:7px 1px}
.journey-grid .book-equation .equation-outcome{font-size:1em;letter-spacing:.06em}
.journey-grid .book-equation .equation-detail{display:block}
}
@media(max-width:900px){.journey-grid .book-equation{flex-direction:column}.journey-grid .book-equation .equation-detail{display:block}}

/* Homepage resource, engagement, and series-quote refinements */
#tools .resource{display:flex;flex-direction:column;min-height:250px}
#tools .resource h3{font-size:22px;letter-spacing:.06em;margin-bottom:14px}
#tools .resource p{margin:0 0 18px;color:#465164}
#tools .resource a{margin-top:auto}
.engage-section{background:#f7f8fa}
.engage-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;max-width:1060px;margin:0 auto}
.engage-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px;display:flex;flex-direction:column;min-height:265px}
.engage-number{font-size:12px;letter-spacing:.16em;font-weight:900;color:var(--gold);margin-bottom:12px}
.engage-card h3{color:var(--navy);font-size:25px;margin:0 0 10px}
.engage-card p{color:#465164;margin:0 0 18px}
.engage-card a{margin-top:auto;font-weight:900;color:var(--green);text-decoration:none}
.series-voices{background:var(--cream)}
.quote-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;max-width:1060px;margin:0 auto}
.series-quote{margin:0;background:#fff;border:1px solid var(--line);border-radius:12px;padding:25px 26px;display:flex;flex-direction:column;justify-content:space-between;min-height:190px}
.series-quote p{font-family:Georgia,serif;color:var(--navy);font-size:22px;line-height:1.35;margin:0 0 20px;font-style:italic}
.series-quote cite{font-style:normal;text-transform:uppercase;letter-spacing:.09em;font-size:11px;font-weight:900;color:var(--gold)}
@media(max-width:900px){.engage-grid{grid-template-columns:1fr}.quote-grid{grid-template-columns:1fr 1fr}}
@media(max-width:580px){.quote-grid{grid-template-columns:1fr}.series-quote{min-height:0}}

/* Resource Center: book covers identify the source book; series symbols remain conceptual marks elsewhere. */
.resource-hero .hero-symbols{max-width:700px;gap:30px;margin-top:34px}
.resource-hero .hero-symbols img{width:auto;height:210px;max-width:145px;aspect-ratio:auto;object-fit:contain;filter:drop-shadow(0 10px 12px rgba(0,0,0,.18))}
.resource-book-head{grid-template-columns:92px 1fr}
.resource-book-head img{width:auto;height:128px;max-width:88px;object-fit:contain;filter:drop-shadow(0 7px 8px rgba(0,0,0,.16))}
@media(max-width:800px){.resource-hero .hero-symbols img{height:180px;max-width:125px}.resource-book-head{grid-template-columns:72px 1fr}.resource-book-head img{height:105px;max-width:70px}}
@media(max-width:580px){.resource-hero .hero-symbols img{height:165px;max-width:115px}}

/* Editorial refinement: connected series progression */
.book-purpose strong{display:inline-block;margin-bottom:5px;color:var(--gold);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase}
.architecture-path{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto 1fr;align-items:center;gap:12px;margin:28px 0 8px;padding:20px;border:1px solid rgba(20,32,40,.12);border-radius:16px;background:rgba(255,255,255,.58)}
.architecture-path>div:not(.arrow){display:flex;flex-direction:column;gap:5px;text-align:center}.architecture-path strong{color:var(--navy);font-size:1.02rem}.architecture-path span{font-size:.88rem;line-height:1.35}.architecture-path .arrow{color:var(--gold);font-weight:800;font-size:1.25rem}
@media(max-width:760px){.architecture-path{grid-template-columns:1fr}.architecture-path .arrow{transform:rotate(90deg);text-align:center}}


/* v15: authoritative four-book card layout after removal of redundant symbols/role labels */
.journey-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
.journey-grid .book{
  min-width:0;
  min-height:745px;
  grid-template-rows:22px 200px 72px 58px 48px 48px minmax(120px,1fr) 28px;
  row-gap:4px;
}
.journey-grid .book-purpose{
  display:block;
  align-self:center;
  padding:8px 4px 4px;
  line-height:1.25;
}
.journey-grid .book-purpose strong{
  display:block;
  color:var(--gold);
  letter-spacing:.055em;
  margin-bottom:4px;
}
.journey-grid .cover-title{
  height:58px;
  min-width:0;
  position:relative;
  justify-content:flex-start;
  padding-top:18px;
  box-sizing:border-box;
}
.journey-grid .cover-title .small-the{
  position:absolute;
  top:0;
  left:0;
  right:0;
  margin:0;
  text-align:center;
}
.journey-grid .cover-title .main-title{
  white-space:nowrap;
  font-size:clamp(16px,1.22vw,20px);
  line-height:1;
  letter-spacing:.01em;
}
.journey-grid .cover-subtitle{height:48px}
.journey-grid .book-equation{
  height:48px;
  box-sizing:border-box;
  flex-direction:column;
  gap:3px;
  white-space:nowrap;
  font-size:9px;
  letter-spacing:.045em;
  padding:7px 1px;
}
.journey-grid .book-equation .equation-detail{display:block}
.journey-grid .book-description{min-width:0}
.journey-grid .book-card-actions{align-self:end;width:100%}
.book-equation-display > span{display:block}
.book-equation-display .formula-causal{color:var(--navy)}
@media(max-width:900px){
  .journey-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .journey-grid .book{min-height:720px;grid-template-rows:22px 200px 72px 58px 48px 48px minmax(100px,1fr) 28px}
  .journey-grid .cover-title .main-title{font-size:20px}
}
@media(max-width:580px){
  .journey-grid{grid-template-columns:1fr}
  .journey-grid .book{min-height:auto;grid-template-rows:22px 200px 72px 58px 48px 48px auto 28px;row-gap:4px}
  .journey-grid .cover-title .main-title{font-size:min(20px,5.2vw)}
}

/* v16: cover-faithful two-line core titles. THE occupies its own line but does not set the core-title baseline. */
.journey-grid .cover-title{height:62px;padding-top:18px}
.journey-grid .cover-title .main-title{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:flex-start;
  white-space:normal;
  font-size:clamp(18px,1.38vw,22px);
  line-height:.96;
  letter-spacing:.01em;
}
.journey-grid .cover-title .main-title > span{display:block;white-space:nowrap}
@media(max-width:900px){.journey-grid .cover-title .main-title{font-size:22px}}
@media(max-width:580px){.journey-grid .cover-title .main-title{font-size:min(22px,5.8vw)}}

@media(max-width:580px){.pill{min-height:104px;padding:10px 8px}.pill img{width:54px;height:54px}}

/* v16 — Series page: big-picture four-book system */
.series-system{padding:76px 0 68px;background:#fff}
.series-system .section-title{max-width:900px;margin:0 auto 42px;text-align:center}
.series-system .section-title h2{max-width:820px;margin-left:auto;margin-right:auto}
.series-system .section-title p{max-width:760px;margin-left:auto;margin-right:auto;font-size:18px}
.series-progression{display:grid;grid-template-columns:minmax(0,1fr) 28px minmax(0,1fr) 28px minmax(0,1fr) 28px minmax(0,1fr);align-items:stretch;gap:8px;margin-top:34px}
.series-progression article{min-width:0;text-align:center;padding:28px 16px 24px;border:1px solid #ddd6c8;border-radius:18px;background:#fff}
.series-progression article img{display:block;width:74px;height:74px;object-fit:contain;margin:14px auto 18px}
.series-step{font-size:12px;font-weight:800;letter-spacing:.1em;color:var(--gold)}
.series-progression h3{margin:0 0 10px;color:var(--navy);font-size:21px;line-height:1.12}
.series-progression p{margin:0;color:#4c566d;font-size:15px;line-height:1.45}
.series-arrow{align-self:center;text-align:center;color:var(--gold);font-size:28px;font-weight:700}
.series-synthesis{max-width:1040px;margin:38px auto 0;padding:25px 32px;text-align:center;border-top:1px solid #d9c9a7;border-bottom:1px solid #d9c9a7}
.series-synthesis p{margin:0;font-family:Georgia,serif;font-size:24px;line-height:1.5;color:var(--navy)}
.series-synthesis strong{color:var(--green)}
.series-definition{display:grid;grid-template-columns:1fr 1fr;max-width:1040px;margin:30px auto 0;border:1px solid #ddd6c8;border-radius:16px;overflow:hidden}
.series-definition>div{padding:22px 28px;text-align:center}
.series-definition>div:first-child{background:#f1f7f0}
.series-definition>div:last-child{background:#fbefef;border-left:1px solid #ddd6c8}
.series-definition span{display:block;font-size:13px;font-weight:800;letter-spacing:.09em;color:var(--green)}
.series-definition>div:last-child span{color:#a12222}
.series-definition p{margin:8px 0 0;font-weight:700;color:var(--navy);line-height:1.5}
@media(max-width:900px){.series-progression{grid-template-columns:1fr 1fr;gap:16px}.series-arrow{display:none}.series-progression article img{width:64px;height:64px}.series-synthesis p{font-size:21px}}
@media(max-width:580px){.series-system{padding:56px 0 48px}.series-progression{grid-template-columns:1fr}.series-definition{grid-template-columns:1fr}.series-definition>div:last-child{border-left:0;border-top:1px solid #ddd6c8}.series-synthesis{padding:22px 14px}.series-synthesis p{font-size:19px}}

/* Series page — common language / Many Methods section */
.common-direction{background:#f7f5ef}
.common-direction-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(420px,1.1fr);gap:54px;align-items:center}
.common-direction-copy h2{font-size:clamp(32px,4vw,48px);line-height:1.05;color:var(--navy);margin:6px 0 10px}
.common-direction-lead{font-family:Georgia,serif;font-size:22px;font-style:italic;color:#303b50;margin:0 0 20px}
.common-direction-copy>p:not(.common-direction-lead):not(.common-direction-close){font-size:17px;line-height:1.65}
.common-direction-outcomes{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:24px 0}
.common-direction-outcomes div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px}
.common-direction-outcomes strong,.common-direction-outcomes span{display:block}
.common-direction-outcomes strong{font-size:16px;text-transform:uppercase;letter-spacing:.045em;margin-bottom:6px}
.common-direction-outcomes div:first-child strong{color:var(--green)}
.common-direction-outcomes div:last-child strong{color:var(--red)}
.common-direction-outcomes span{font-size:14px;line-height:1.45;color:#3d4655}
.common-direction-close{font-weight:800;color:var(--navy);font-size:18px;line-height:1.4;margin:24px 0 0}
.common-direction-visual{margin:0;display:flex;justify-content:center;align-items:center}
.common-direction-visual img{display:block;width:auto;height:auto;max-width:min(100%,520px);max-height:700px;object-fit:contain}
@media(max-width:900px){.common-direction-grid{grid-template-columns:1fr;gap:30px}.common-direction-visual img{max-width:min(88vw,500px);max-height:none}}
@media(max-width:580px){.common-direction-outcomes{grid-template-columns:1fr}.common-direction-visual img{max-width:92vw}}


/* v16 editorial consistency refinement */
.series-system .series-progression article{padding-top:28px;padding-bottom:28px}
.series-system .series-progression article img{display:none!important}
.journey-grid .book-purpose{min-height:34px;display:flex;align-items:center;justify-content:center}
.journey-grid .book-purpose strong{margin-bottom:0}
.case-search{max-width:720px;margin:28px auto 42px;text-align:left}
.case-search label{display:block;color:var(--navy);font-weight:800;font-size:18px;margin-bottom:9px}
.case-search input{width:100%;box-sizing:border-box;border:1px solid rgba(8,32,73,.22);border-radius:10px;padding:14px 16px;font:inherit;background:#fff;color:var(--navy)}
.case-search input:focus{outline:2px solid rgba(184,126,14,.35);outline-offset:2px;border-color:var(--gold)}
.case-count{min-height:20px;margin-top:7px;color:#667085;font-size:14px}

.journey-orientation{max-width:760px;margin:14px auto 0;color:var(--muted);font-size:16px;line-height:1.6}

/* v17 — Increase four-book card formula prominence */
.journey-grid .book-equation{
  font-size:13px;
  line-height:1.18;
  letter-spacing:.04em;
}
.journey-grid .book-equation .equation-outcome{
  font-size:1em;
  letter-spacing:.055em;
}
@media(max-width:580px){
  .journey-grid .book-equation{font-size:12px}
}

/* Match homepage Resources cards to Learn / Apply / Engage card geometry */
#tools .resource-grid{grid-template-columns:repeat(3,1fr);gap:16px;max-width:1060px;margin:0 auto}
#tools .resource{border-radius:12px;padding:24px;min-height:265px}
#tools .resource h3{font-size:25px;letter-spacing:0;margin:0 0 10px}
#tools .resource p{margin:0 0 18px;color:#465164}
@media(max-width:900px){#tools .resource-grid{grid-template-columns:1fr}}


/* Header identity and navigation refinement */
.nav{gap:0}
.brand{display:inline-flex;align-items:center;gap:9px;font-size:18px;letter-spacing:.055em;white-space:nowrap;margin-right:auto}
.brand img{width:29px;height:29px;object-fit:contain;display:block}
.booknav,.utility{display:flex;align-items:center;gap:18px}
.booknav{margin-left:28px}
.utility{margin-left:28px}
.nav .booknav a,.nav .utility a{position:relative;padding:24px 0 21px;border-radius:0;color:var(--navy);background:transparent}
.nav .booknav a:hover,.nav .utility a:hover{background:transparent;color:var(--navy)}
.nav .booknav a.active,.nav .utility a.active{background:transparent;color:var(--navy)}
.nav .booknav a.active::after,.nav .utility a.active::after{content:"";position:absolute;left:0;right:0;bottom:15px;height:2px;background:var(--gold);border-radius:2px}
.utility .resources{color:var(--navy)}
@media(max-width:900px){.booknav{display:none}.utility{margin-left:18px;gap:18px}.utility a{display:none}.utility a[href="resources.html"],.utility a[href="case-studies.html"]{display:inline}.nav .utility a{padding:22px 0 19px}.nav .utility a.active::after{bottom:13px}}
@media(max-width:580px){.brand{font-size:17px;gap:7px}.brand img{width:26px;height:26px}.utility{gap:14px;margin-left:14px}.nav .utility a{font-size:12px}}


/* For Organizations page */
.org-hero h1{font-size:clamp(44px,6.5vw,74px);max-width:980px;margin-left:auto;margin-right:auto}
.org-sixcards{max-width:1060px;margin:0 auto;gap:16px}
.org-sixcards .sixcard{padding:24px;min-height:220px;border-radius:12px}
.org-sixcards .sixcard strong{font-size:22px;line-height:1.2;margin:6px 0 10px}
.org-sixcards .sixcard p{margin:0;color:#465164}
.org-num{text-transform:uppercase;letter-spacing:.14em;font-size:11px;font-weight:900;color:var(--gold);margin-bottom:8px}
.org-four{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;max-width:1100px;margin:0 auto}
.org-four a{display:flex;flex-direction:column;text-decoration:none;background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px;min-height:245px}
.org-four span{font-size:11px;letter-spacing:.12em;text-transform:uppercase;font-weight:900;color:var(--gold)}
.org-four strong{font-size:22px;line-height:1.15;color:var(--navy);margin:12px 0 10px}
.org-four p{margin:0;color:#465164}
.org-questions .sixcard{min-height:165px;justify-content:center}
.org-questions .sixcard strong{font-family:Georgia,serif;font-size:22px;font-weight:400;color:var(--navy);line-height:1.3}
.org-support{max-width:880px;text-align:center}
.org-support h2{font-size:clamp(30px,4vw,46px);color:var(--navy);margin:8px 0 12px}
.org-support p{font-size:18px;color:#465164}
.org-actions{margin-top:24px}
.org-author{padding:46px 0}
.org-author-copy{max-width:760px;margin:0 auto;text-align:center}
.org-author-copy h2{color:var(--navy);font-size:28px;margin:6px 0 8px}
.org-author-copy p{color:#566174;margin:0}
@media(max-width:900px){.org-four{grid-template-columns:1fr 1fr}}
@media(max-width:700px){.utility a[href="case-studies.html"]{display:none}}
@media(max-width:580px){.org-four{grid-template-columns:1fr}.org-sixcards .sixcard{min-height:0}.org-questions .sixcard{min-height:0}}


/* Accessible compact navigation for tablet and phone */
.mobile-nav{display:none;position:relative;margin-left:18px}
.mobile-nav summary{list-style:none;cursor:pointer;color:var(--navy);font-size:13px;font-weight:900;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:#fff}
.mobile-nav summary::-webkit-details-marker{display:none}
.mobile-nav summary::after{content:" +";color:var(--gold)}
.mobile-nav[open] summary::after{content:" −"}
.mobile-nav-panel{position:absolute;right:0;top:calc(100% + 9px);width:min(320px,calc(100vw - 26px));display:grid;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 14px 36px rgba(7,31,75,.16);padding:8px;z-index:80}
.mobile-nav-panel a{display:block;padding:10px 12px;border-radius:7px;color:var(--navy);font-size:13px;font-weight:800;text-decoration:none}
.mobile-nav-panel a:hover{background:var(--cream)}
.mobile-nav-panel a.active{background:var(--cream);position:relative}
.mobile-nav-panel a.active::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;background:var(--gold);border-radius:3px}
@media(max-width:900px){.booknav,.utility{display:none!important}.mobile-nav{display:block}.nav{position:relative}.brand{margin-right:auto}}
@media(max-width:580px){.mobile-nav{margin-left:10px}.mobile-nav summary{font-size:12px;padding:8px 10px}.mobile-nav-panel{top:calc(100% + 7px)}}

/* Fine-tune Book 2 cover optical centering in the four-book series grid. */
.journey-grid #book2 .journey-cover img{transform:translateX(-12px)}
@media(max-width:900px){.journey-grid #book2 .journey-cover img{transform:none}}


/* Editorial manuscript artwork for text-led utility pages */
.page-feature-visual{max-width:820px;margin:30px auto 0}
.page-feature-visual img{display:block;width:100%;height:auto;max-height:430px;object-fit:cover;border-radius:12px;box-shadow:0 14px 34px rgba(7,31,75,.10)}
.case-feature-visual{max-width:900px}
@media(max-width:700px){.page-feature-visual{margin-top:22px}.page-feature-visual img{max-height:320px;border-radius:9px}}
/* Final polish — keep four-book equations on their intended single lines. */
.journey-grid .book-equation{
  font-family:"Arial Narrow","Aptos Narrow","Roboto Condensed","Helvetica Neue Condensed",Arial,Helvetica,sans-serif;
  font-stretch:condensed;
  letter-spacing:.02em;
}
.journey-grid .book-equation .equation-outcome{letter-spacing:.035em}

/* Fine-tune homepage four-book formulas — slightly smaller than 13px desktop size. */
@media(min-width:581px){
  .journey-grid .book-equation{font-size:12px}
}