/* Vision — shared design system for module pages.
   Layout: syllabus ledger. Page hero, sticky contents rail on the left, a single reading column, then "continue" cards. */
:root{
  --paper:#F5F8FC; --surface:#FFFFFF; --sunk:#EDF2F8; --ink:#1B2A41; --muted:#5B6B82; --line:#DCE4EE;
  --accent:#2563B0; --accent-ink:#FFFFFF; --accent-soft:#E6EFFA; --mark:#C58A2B;
  --good:#127A57; --good-soft:#E3F4EC; --bad:#B4321F; --bad-soft:#FBEAE6;
  --t-strategy:#2563B0; --t-ai:#0F8A7A; --t-lead:#7E4BB8; --t-exec:#C2622A; --t-lab:#4A6B8F;
  --c-yellow:#C58A2B; --c-green:#127A57; --c-red:#B4321F; --c-blue:#2563B0;
  color-scheme:light;
  --display:"Instrument Serif","Iowan Old Style",Georgia,serif;
  --body:"Schibsted Grotesk","Segoe UI",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  --maxw:1180px; --measure:72ch;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit}
img{max-width:100%}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.wrap{max-width:var(--maxw);margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.eyebrow{font-family:var(--mono);font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
h1,h2,h3,h4{text-wrap:balance}

/* ---------- top bar ---------- */
.bar{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:color-mix(in srgb,var(--paper) 86%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.bar .wrap{display:flex;align-items:center;gap:20px;padding-block:12px}
.mark{font-family:var(--display);font-size:1.6rem;line-height:1;text-decoration:none;display:flex;align-items:baseline;gap:8px}
.mark small{font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;color:var(--muted);text-transform:uppercase}
.bar nav{display:flex;gap:4px;margin-left:auto;flex-wrap:wrap}
.bar nav a{font-size:.9rem;font-weight:500;text-decoration:none;padding:6px 12px;border-radius:999px;color:var(--muted)}
.bar nav a:hover,.bar nav a[aria-current]{color:var(--ink);background:var(--accent-soft)}
.theme-unused{border:1px solid var(--line);background:var(--surface);color:var(--ink);width:36px;height:36px;border-radius:50%;cursor:pointer;display:grid;place-items:center;flex:none}
.theme svg{width:16px;height:16px}
@media (max-width:720px){.bar nav{display:none}.theme-unused{margin-left:auto}}

/* ---------- page hero ---------- */
.page-hero{padding-block:clamp(40px,7vw,80px) clamp(32px,5vw,56px);border-bottom:1px solid var(--line)}
.crumbs{display:flex;gap:8px;align-items:center;flex-wrap:wrap;font-family:var(--mono);font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.crumbs a{text-decoration:none}
.crumbs a:hover{color:var(--accent)}
.crumbs i{font-style:normal;opacity:.5}
.track-pill{display:inline-flex;align-items:center;gap:8px}
.track-pill::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--c)}
.page-hero h1{font-family:var(--display);font-weight:400;font-size:clamp(2.5rem,6vw,4.6rem);line-height:1;letter-spacing:-.02em;margin:18px 0 0;max-width:20ch}
.page-hero .lede{color:var(--muted);font-size:1.15rem;max-width:60ch;margin:20px 0 0}
.hero-meta{display:flex;gap:10px 22px;flex-wrap:wrap;margin-top:26px;font-family:var(--mono);font-size:.74rem;color:var(--muted);letter-spacing:.04em}
.hero-meta span{display:inline-flex;gap:6px}
.hero-meta b{color:var(--ink);font-weight:500}

/* ---------- body layout ---------- */
.page-body{display:grid;grid-template-columns:200px minmax(0,1fr);gap:clamp(28px,5vw,72px);padding-block:48px 24px}
.toc{position:sticky;top:84px;align-self:start;max-height:calc(100vh - 110px);overflow:auto}
.toc p{margin:0 0 12px}
.toc ol{list-style:none;margin:0;padding:0;border-left:1px solid var(--line)}
.toc a{display:block;padding:6px 0 6px 14px;margin-left:-1px;border-left:2px solid transparent;font-size:.86rem;line-height:1.35;color:var(--muted);text-decoration:none}
.toc a:hover{color:var(--ink)}
.toc a.on{color:var(--ink);border-left-color:var(--accent)}
.page-body.solo{grid-template-columns:minmax(0,1fr)}
@media (max-width:900px){.page-body{grid-template-columns:1fr}.toc{display:none}}

/* ---------- prose ---------- */
.prose{min-width:0;max-width:820px}
.prose > *:first-child{margin-top:0}
.prose section{margin:0 0 56px}
.prose h2,.prose .section-title{font-family:var(--display);font-weight:400;font-size:clamp(1.8rem,3.4vw,2.4rem);line-height:1.1;letter-spacing:-.01em;margin:0 0 18px;color:var(--ink)}
.prose h2 .num{display:block;font-family:var(--mono);font-size:.74rem;letter-spacing:.12em;color:var(--muted);margin-bottom:10px}
.prose h3{font-size:1.2rem;font-weight:600;letter-spacing:-.005em;margin:28px 0 10px;line-height:1.3}
.prose h4{font-size:1rem;font-weight:600;margin:20px 0 6px;line-height:1.35}
.prose p{margin:0 0 14px;max-width:var(--measure)}
.prose strong,.prose b{font-weight:600}
.prose ul,.prose ol{margin:0 0 18px;padding-left:1.2em;max-width:var(--measure)}
.prose li{margin:6px 0}
.prose li::marker{color:var(--accent)}
.prose a{color:var(--accent);text-underline-offset:3px}
.prose hr{border:0;border-top:1px solid var(--line);margin:40px 0}
.kicker,.section-header span,.tag,.section-tag,.theme-badge,.dossier-tag,.feature-card > div > span:first-child{display:inline-block;font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.section-header{margin:0 0 4px}
.section-header h2{margin-top:0}

/* quotes */
.v-quote{margin:36px 0;padding:6px 0 6px 28px;border-left:3px solid var(--mark);max-width:var(--measure)}
.v-quote blockquote{margin:0;font-family:var(--display);font-style:italic;font-size:clamp(1.45rem,2.6vw,1.95rem);line-height:1.22;color:var(--ink)}
.v-quote figcaption{margin-top:12px;font-family:var(--mono);font-size:.76rem;letter-spacing:.06em;color:var(--muted)}
.v-quote figcaption b{color:var(--ink);font-weight:500}
.prose > .v-quote:first-child,.prose > section:first-child > .v-quote:only-child{margin-top:0}

/* panels: things the original set apart */
.example,.scenario,.highlight,.highlight-box,.exec-card,.content-card,.feature-card,.leader-card,.section-card,.quote-box,.card,.diagram-box,.problem-box,.solution-box,.vision-intro,.exec-cta{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:clamp(20px,3vw,32px);margin:0 0 24px}
.example{background:var(--sunk);border-style:dashed}
.example::before{content:"Case example";display:block;font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--mark);margin-bottom:10px}
.scenario h3{margin-top:0}
.quote-box h3,.highlight h3,.highlight-box h3,.leader-card h3,.content-card h3:first-child,.exec-card h3:first-child{margin-top:0}
.prose .card > h2,.prose .section-card h2{margin-top:0}
.feature-card,.section-card{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px}
.feature-card > *,.section-card > *{min-width:0}
@media (max-width:760px){.feature-card,.section-card{grid-template-columns:1fr}}
.content-left h2{font-size:clamp(1.5rem,2.6vw,1.9rem)!important}
.content-right h3{margin-top:0}
.diagram-box{border-style:dashed;background:transparent;text-align:center;color:var(--muted)}
.diagram-box h4{margin:0;font-family:var(--mono);font-weight:500;font-size:.8rem;letter-spacing:.06em}
.problem-box{background:var(--bad-soft);border-color:transparent}
.problem-box h3{color:var(--bad);margin-top:0}
.solution-box{background:var(--good-soft);border-color:transparent}
.solution-box h3{color:var(--good);margin-top:0}

/* grids of tiles */
.grid,.grid-inner,.details-grid,.comparison-grid,.char-grid,.case-grid,.case-study-grid,.pillar-grid,.paradigm-grid,.arch-grid,.balance-grid,.execution-streams,.step-container,.workflow,.workflow-visual,.timeline,.metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,210px),1fr));gap:14px;margin:18px 0 22px}
.comparison-grid,.paradigm-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr))}
.case-grid,.case-study-grid,.arch-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr))}
.feature-card .grid-inner{grid-template-columns:repeat(2,minmax(0,1fr));margin:0}
@media (max-width:480px){.feature-card .grid-inner{grid-template-columns:1fr}}
.grid-item,.mini-card,.char-card,.case-card,.pillar,.feature-item,.box,.stream,.step,.time-step,.step-card,.workflow-step,.balance-item,.metric-item{background:var(--paper);border:1px solid var(--line);border-radius:4px;padding:16px 18px;min-width:0}
.section-card .grid-item,.feature-card .grid-item,.leader-card .grid-item,.card .feature-item,.exec-card .step,.exec-card .case-card,.exec-card .pillar,.content-card .box,.content-card .char-card,.content-card .stream,.card .mini-card{background:var(--paper)}
.grid-item h4,.char-card strong,.mini-card strong,.case-card h4,.case-card h3,.feature-item h4,.pillar h3,.box h3,.step b,.time-step h4,.step-card h4{display:block;margin:0 0 6px;font-size:1rem;font-weight:600;line-height:1.35}
.grid-item p,.char-card p,.case-card p,.feature-item p,.pillar p,.stream p,.step p,.time-step p,.step-card p,.mini-card{font-size:.93rem;color:var(--muted);margin:0}
.mini-card strong,.grid-item strong{color:var(--ink)}
.grid-item{font-size:.93rem;color:var(--muted)}
.grid-item i,.balance-item i{color:var(--accent);margin-right:8px}
.box ul,.feature-item ul{margin:8px 0 0;font-size:.93rem}
.dot,.step-num{font-family:var(--mono);font-size:.78rem;letter-spacing:.06em;color:var(--accent);margin-bottom:8px;display:block}
.dot.pop{color:var(--mark)}
.time-step,.step-card,.workflow-step{position:relative}
.timeline,.step-container,.workflow,.workflow-visual{counter-reset:none}
.workflow-step strong{display:block;font-family:var(--mono);font-size:.82rem;letter-spacing:.1em}
.workflow-step div:not(.step-num){color:var(--muted);font-size:.9rem}
.stream-header{display:block;font-family:var(--mono);font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:6px}
.governance-overlay{font-family:var(--mono);font-size:.74rem;letter-spacing:.1em;text-align:center;padding:10px;border:1px dashed var(--accent);border-radius:4px;color:var(--accent)}
.diagram-container{margin:20px 0}
.diagram-container .execution-streams{margin-top:12px}
.balance-item{text-align:center;font-weight:600}
.metric-item{text-align:center;background:transparent;border:0}
.metric-val{display:block;font-family:var(--display);font-size:2.6rem;line-height:1;font-variant-numeric:tabular-nums}
.metric-label{font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.metrics{border-top:1px solid var(--line);padding-top:22px}
.highlight{color:inherit}
.pillar .highlight{background:none;border:0;padding:0;margin:0 0 6px}
.char-icon,.icon-circle{display:none}

/* chips */
.tag-container{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.kpi-tag,.code-span,.tech-pill{display:inline-block;font-family:var(--mono);font-size:.74rem;padding:4px 10px;border-radius:999px;background:var(--accent-soft);color:var(--accent)}
.code-span{border-radius:4px}
.theme-badge{display:inline-block;padding:4px 10px;border-radius:999px;border:1px solid var(--line);letter-spacing:.06em;color:var(--ink)}
.highlight-text{font-weight:600;color:var(--accent)}
.status-pause{color:var(--mark);font-weight:600}
.status-halt{color:var(--bad);font-weight:600}

/* archetype / leader cards */
.leader-title{display:flex;align-items:center;gap:14px;margin-bottom:12px}
.leader-title h3{margin:0}
.icon-box{width:42px;height:42px;flex:none;border-radius:50%;display:grid;place-items:center;background:var(--sunk);color:var(--cc,var(--accent));font-size:1.05rem}
.yellow-card{--cc:var(--c-yellow)} .green-card{--cc:var(--c-green)} .red-card{--cc:var(--c-red)} .blue-card{--cc:var(--c-blue)}
.leader-card .theme-badge{color:var(--cc,var(--ink));border-color:currentColor}
.leader-card .grid-item i{color:var(--cc,var(--accent))}

/* tables */
.table-wrapper,.table-container,.tbl{overflow-x:auto;margin:18px 0 24px;border:1px solid var(--line);border-radius:6px;background:var(--surface)}
.prose table{width:100%;border-collapse:collapse;font-size:.93rem;min-width:520px}
.prose th{text-align:left;font-family:var(--mono);font-weight:500;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);padding:12px 16px;border-bottom:1px solid var(--line);background:var(--sunk)}
.prose td{padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:top}
.prose tr:last-child td{border-bottom:0}
.prose td:first-child{font-weight:600}

/* lists with ticks */
.feature-list,.detail-list,.resource-list{list-style:none;padding:0}
.feature-list li,.detail-list li,.resource-list li{padding:10px 0 10px 26px;border-bottom:1px solid var(--line);position:relative;margin:0}
.feature-list li:last-child,.detail-list li:last-child,.resource-list li:last-child{border-bottom:0}
.feature-list li::before,.detail-list li::before,.resource-list li::before{content:"";position:absolute;left:4px;top:19px;width:10px;height:2px;background:var(--accent)}

/* GCC hub cards */
.arch-grid a.card{display:flex;flex-direction:column;gap:6px;text-decoration:none;color:inherit;margin:0;transition:border-color .2s,transform .2s}
.arch-grid a.card:hover{border-color:var(--ink);transform:translateY(-2px)}
.arch-grid h3{margin:0}
.arch-grid p{color:var(--muted);font-size:.93rem}
.btn-link{margin-top:auto;font-family:var(--mono);font-size:.76rem;color:var(--accent)}
.exec-cta{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.exec-cta h2{margin:0 0 6px}
.btn-gold,.btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:.95rem;text-decoration:none!important;padding:12px 20px;border-radius:10px;background:var(--accent);color:var(--accent-ink)!important}
.btn-gold:hover,.btn:hover{background:var(--ink)}

/* ---------- continue ---------- */
.continue{padding-block:40px 72px}
.continue h2{font-family:var(--display);font-weight:400;font-size:2rem;margin:0 0 18px}
.pn{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.pn a{display:flex;flex-direction:column;gap:6px;padding:20px 22px;border:1px solid var(--line);border-radius:6px;background:var(--surface);text-decoration:none;transition:border-color .2s}
.pn a:hover{border-color:var(--ink)}
.pn a.next{text-align:right}
.pn small{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.pn b{font-weight:600;font-size:1.05rem}
.pn span{color:var(--muted);font-size:.9rem}
.also{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;align-items:center}
.also a{font-size:.88rem;text-decoration:none;padding:6px 12px;border:1px solid var(--line);border-radius:999px;background:var(--surface)}
.also a:hover{border-color:var(--ink)}
@media (max-width:640px){.pn{grid-template-columns:1fr}.pn a.next{text-align:left}}

/* ---------- footer ---------- */
footer.site{border-top:1px solid var(--line);padding-block:48px 64px}
footer.site .wrap{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;align-items:end}
footer.site p{margin:0;color:var(--muted);font-size:.92rem;max-width:56ch}
footer.site .big{font-family:var(--display);font-style:italic;font-size:1.6rem;color:var(--ink);margin-bottom:6px;max-width:34ch;line-height:1.2}
footer.site .by{font-family:var(--mono);font-size:.74rem;letter-spacing:.06em;margin-bottom:14px}

@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}

/* refinements */
.page-hero{background:linear-gradient(180deg,#EAF1FA 0%,var(--paper) 100%)}
.leader-card .grid,.balance-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,160px),1fr))}
.example>:last-child,.scenario>:last-child,.highlight>:last-child,.highlight-box>:last-child,.exec-card>:last-child,.content-card>:last-child,.feature-card>div>:last-child,.leader-card>:last-child,.quote-box>:last-child,.card>:last-child,.problem-box>:last-child,.solution-box>:last-child,.grid-item>:last-child,.case-card>:last-child,.box>:last-child,.feature-item>:last-child,.content-right>:last-child,.content-left>:last-child{margin-bottom:0}
.page-body.solo .prose{max-width:900px}
.workflow,.timeline,.step-container,.workflow-visual{grid-template-columns:repeat(auto-fit,minmax(min(100%,150px),1fr))}
.case-study-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,190px),1fr))}