/* ============================================================
   Outcomes Economy — shared stylesheet
   Concept: "strategy as engineering" — ledger-green accent,
   slate ink on warm-neutral paper, mono utility labels.
   ============================================================ */

:root{
  --paper:#F0EFE9;
  --paper-2:#FBFAF6;
  --paper-3:#E9E8E0;
  --ink:#17202E;
  --ink-2:#3E4757;
  --ink-soft:#6B7484;
  --line:#DAD8CF;
  --line-2:#C6C4B8;
  --accent:#1B6B4A;
  --accent-2:#124A34;
  --accent-wash:#E3ECE6;
  --brass:#8C6E2A;
  --brass-wash:#EDE4CD;

  --f-display:"Archivo",system-ui,sans-serif;
  --f-body:"Newsreader",Georgia,serif;
  --f-mono:"IBM Plex Mono",ui-monospace,monospace;

  --wrap:1120px;
  --gutter:clamp(20px,5vw,64px);
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  margin:0;
  font-family:var(--f-body);
  font-size:19px;
  line-height:1.66;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img,svg{max-width:100%;display:block}
a{color:inherit}

/* --- utility / labels --- */
.mono{
  font-family:var(--f-mono);
  font-size:.72rem;
  letter-spacing:.02em;
  font-weight:500;
}
.eyebrow{
  font-family:var(--f-mono);
  font-size:.72rem;
  letter-spacing:.04em;
  color:var(--accent-2);
  font-weight:500;
  display:inline-flex;
  align-items:center;
  gap:.6em;
}
.eyebrow::before{
  content:"";
  width:1.6em;height:1px;
  background:var(--accent);
  display:inline-block;
}
.skip{
  position:absolute;left:-999px;top:0;
  background:var(--ink);color:var(--paper);
  padding:.6em 1em;z-index:200;border-radius:0 0 6px 0;
  font-family:var(--f-mono);font-size:.8rem;
}
.skip:focus{left:0}

/* --- layout --- */
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.wrap-narrow{max-width:760px;margin-inline:auto;padding-inline:var(--gutter)}
section{padding-block:clamp(48px,7vw,96px)}
.rule{height:1px;background:var(--line);border:0;margin:0}

/* ============================================================
   Header
   ============================================================ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:color-mix(in srgb,var(--paper) 88%,transparent);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.brandbar{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding-block:14px;
}
.wordmark{
  display:flex;align-items:baseline;gap:.55em;
  text-decoration:none;color:var(--ink);
}
.wordmark b{
  font-family:var(--f-display);font-weight:800;
  font-size:1.16rem;letter-spacing:-.01em;
}
.wordmark .dot{
  width:8px;height:8px;background:var(--accent);
  border-radius:50%;transform:translateY(-1px);
}
.wordmark small{
  font-family:var(--f-mono);font-size:.62rem;
  color:var(--ink-soft);letter-spacing:.04em;
}
.header-right{display:flex;align-items:center;gap:14px}
.services-link{
  font-family:var(--f-mono);font-size:.74rem;font-weight:500;
  letter-spacing:.02em;text-decoration:none;color:var(--paper);
  background:var(--ink);padding:.62em 1.05em;border-radius:6px;
  display:inline-flex;align-items:center;gap:.5em;
  border:1px solid var(--ink);transition:background .18s,transform .18s;
}
.services-link:hover{background:var(--accent-2);border-color:var(--accent-2)}
.services-link .arrow{color:var(--accent);transition:color .18s}
.services-link:hover .arrow{color:var(--paper)}

/* framework nav strip */
.frameworks-nav{border-top:1px solid var(--line)}
.frameworks-nav ol{
  list-style:none;margin:0;padding:0;
  display:flex;flex-wrap:wrap;gap:0;
}
.frameworks-nav li{flex:1 1 auto}
.frameworks-nav a{
  display:flex;align-items:center;gap:.6em;
  padding:11px 16px;text-decoration:none;color:var(--ink-2);
  font-family:var(--f-mono);font-size:.72rem;letter-spacing:.01em;
  border-right:1px solid var(--line);
  transition:background .16s,color .16s;white-space:nowrap;
}
.frameworks-nav li:last-child a{border-right:0}
.frameworks-nav a .n{color:var(--ink-soft)}
.frameworks-nav a:hover{background:var(--accent-wash);color:var(--accent-2)}
.frameworks-nav a[aria-current="page"]{
  color:var(--accent-2);background:var(--paper-2);
  box-shadow:inset 0 -2px 0 var(--accent);
}
.nav-toggle{display:none}

/* ============================================================
   Hero (index)
   ============================================================ */
.hero{
  padding-block:clamp(52px,8vw,104px);
  position:relative;overflow:hidden;
}
.hero-grid{
  display:grid;grid-template-columns:1.05fr .95fr;
  gap:clamp(32px,5vw,72px);align-items:center;
}
.hero h1{
  font-family:var(--f-display);font-weight:700;
  font-size:clamp(2.4rem,5.6vw,4rem);line-height:1.02;
  letter-spacing:-.022em;margin:.5rem 0 0;
  text-wrap:balance;
}
.hero h1 em{font-style:normal;color:var(--accent-2)}
.hero-lede{
  font-size:clamp(1.05rem,1.6vw,1.28rem);
  color:var(--ink-2);margin-top:1.3rem;max-width:34ch;line-height:1.55;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:2rem}

.btn{
  font-family:var(--f-mono);font-size:.78rem;font-weight:500;
  letter-spacing:.02em;text-decoration:none;
  padding:.85em 1.3em;border-radius:7px;
  display:inline-flex;align-items:center;gap:.6em;
  transition:transform .18s,background .18s,border-color .18s,color .18s;
}
.btn-primary{background:var(--accent);color:#fff;border:1px solid var(--accent)}
.btn-primary:hover{background:var(--accent-2);border-color:var(--accent-2);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line-2)}
.btn-ghost:hover{border-color:var(--ink);background:var(--paper-2)}
.btn .arrow{transition:transform .18s}
.btn:hover .arrow{transform:translateX(3px)}

/* ---- signature: the pyramid ---- */
.pyramid{width:100%;height:auto}
.pyr-slab rect{transition:fill .2s,stroke .2s}
.pyr-slab text{transition:fill .2s}
.pyr-slab:hover .slab-bg{fill:var(--accent-wash);stroke:var(--accent)}
.pyr-slab:hover .slab-name{fill:var(--accent-2)}
.pyr-slab:focus{outline:none}
.pyr-slab:focus-visible .slab-bg{stroke:var(--accent);stroke-width:2}
.pyr-apex .slab-bg{fill:var(--ink);stroke:var(--ink)}
.pyr-apex .slab-name,.pyr-apex .slab-code{fill:var(--paper)}
.pyr-apex:hover .slab-bg{fill:var(--accent-2);stroke:var(--accent-2)}
.pyr-apex:hover .slab-name{fill:var(--paper)}
.pyr-caption{
  font-family:var(--f-mono);font-size:.66rem;fill:var(--ink-soft);
}

/* ============================================================
   Thesis band
   ============================================================ */
.band-dark{background:var(--ink);color:var(--paper)}
.band-dark .eyebrow{color:#9BC7B2}
.band-dark .eyebrow::before{background:var(--accent)}
.thesis h2{
  font-family:var(--f-display);font-weight:600;
  font-size:clamp(1.7rem,3.4vw,2.5rem);line-height:1.12;
  letter-spacing:-.015em;margin:1rem 0 0;text-wrap:balance;
}
.thesis p{color:#CFD3D0;font-size:1.12rem;max-width:60ch;margin-top:1.3rem}
.thesis .lead-in{color:var(--paper);font-family:var(--f-body)}
.thesis-cols{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:28px;margin-top:2.8rem;
}
.thesis-cols .col .k{
  font-family:var(--f-mono);font-size:.72rem;color:#9BC7B2;
  letter-spacing:.02em;display:block;margin-bottom:.5rem;
}
.thesis-cols .col p{color:#C4C9C6;font-size:1rem;margin-top:0}

/* ============================================================
   Section heads
   ============================================================ */
.sec-head{max-width:62ch}
.sec-head h2{
  font-family:var(--f-display);font-weight:600;
  font-size:clamp(1.7rem,3.4vw,2.5rem);line-height:1.1;
  letter-spacing:-.015em;margin:1rem 0 0;text-wrap:balance;
}
.sec-head p{color:var(--ink-2);margin-top:1rem;font-size:1.08rem}

/* ---- framework cards (the strata) ---- */
.strata{margin-top:3rem;display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line)}
.stratum{
  display:grid;grid-template-columns:auto 1fr auto;
  gap:clamp(18px,3vw,40px);align-items:center;
  padding:26px 0;border-bottom:1px solid var(--line);
  text-decoration:none;color:var(--ink);
  transition:background .16s,padding-left .18s;
  position:relative;
}
.stratum::before{
  content:"";position:absolute;left:calc(-1 * var(--gutter));right:calc(-1 * var(--gutter));
  top:0;bottom:0;background:var(--accent-wash);opacity:0;transition:opacity .16s;z-index:-1;
}
.stratum:hover::before{opacity:1}
.stratum:hover{padding-left:10px}
.stratum .code{
  font-family:var(--f-mono);font-size:.74rem;color:var(--accent-2);
  font-weight:500;min-width:5.5ch;
}
.stratum .body h3{
  font-family:var(--f-display);font-weight:600;font-size:1.32rem;
  margin:0;letter-spacing:-.01em;
}
.stratum .body p{margin:.35rem 0 0;color:var(--ink-2);font-size:1rem;max-width:56ch}
.stratum .meta{
  font-family:var(--f-mono);font-size:.68rem;color:var(--ink-soft);
  text-align:right;white-space:nowrap;display:flex;flex-direction:column;gap:.35em;align-items:flex-end;
}
.stratum .meta .go{color:var(--accent-2);display:inline-flex;gap:.4em;align-items:center}
.stratum:hover .meta .go .arrow{transform:translateX(3px)}
.meta .go .arrow{transition:transform .18s}

/* ============================================================
   Map / ecosystem
   ============================================================ */
.map-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:2.6rem}
.map-card{
  background:var(--paper-2);border:1px solid var(--line);border-radius:12px;
  padding:26px 24px 22px;display:flex;flex-direction:column;
  transition:border-color .18s,transform .18s;text-decoration:none;color:var(--ink);
}
.map-card:hover{border-color:var(--accent);transform:translateY(-2px)}
.map-card .tag{
  font-family:var(--f-mono);font-size:.66rem;color:var(--ink-soft);letter-spacing:.02em;
}
.map-card h3{
  font-family:var(--f-display);font-weight:600;font-size:1.24rem;
  margin:.8rem 0 0;letter-spacing:-.01em;
}
.map-card .dest{color:var(--accent-2)}
.map-card p{color:var(--ink-2);font-size:.98rem;margin:.6rem 0 1.4rem;flex:1}
.map-card .go{
  font-family:var(--f-mono);font-size:.72rem;color:var(--accent-2);
  display:inline-flex;gap:.5em;align-items:center;
}
.map-card:hover .go .arrow{transform:translateX(3px)}
.map-card .go .arrow{transition:transform .18s}
.map-card.external{background:var(--ink);border-color:var(--ink)}
.map-card.external .tag{color:#9BC7B2}
.map-card.external h3,.map-card.external .dest{color:var(--paper)}
.map-card.external p{color:#C4C9C6}
.map-card.external .go{color:#9BC7B2}
.map-card.external:hover{border-color:var(--accent)}

/* ============================================================
   Closing band
   ============================================================ */
.closing{background:var(--paper-3)}
.closing h2{
  font-family:var(--f-display);font-weight:700;
  font-size:clamp(1.9rem,4vw,3rem);line-height:1.05;
  letter-spacing:-.02em;margin:1rem 0 0;max-width:20ch;text-wrap:balance;
}
.closing p{color:var(--ink-2);font-size:1.12rem;margin-top:1.2rem;max-width:52ch}

/* ============================================================
   Subpage template
   ============================================================ */
.article-head{padding-block:clamp(40px,6vw,72px) 0}
.article-head .grid{
  display:grid;grid-template-columns:1fr auto;gap:40px;align-items:start;
}
.article-head h1{
  font-family:var(--f-display);font-weight:700;
  font-size:clamp(2.1rem,4.8vw,3.4rem);line-height:1.04;
  letter-spacing:-.02em;margin:1.1rem 0 0;max-width:16ch;text-wrap:balance;
}
.article-head .standfirst{
  font-size:clamp(1.12rem,1.7vw,1.4rem);color:var(--ink-2);
  margin-top:1.4rem;max-width:46ch;line-height:1.5;
}

/* strata position indicator (subpage) */
.strata-pos{display:flex;flex-direction:column;gap:8px;padding-top:.6rem}
.strata-pos a{
  display:flex;align-items:center;gap:10px;text-decoration:none;
  font-family:var(--f-mono);font-size:.68rem;color:var(--ink-soft);
  transition:color .16s;
}
.strata-pos a:hover{color:var(--accent-2)}
.strata-pos .tick{width:22px;height:3px;background:var(--line-2);border-radius:2px;transition:background .16s,width .16s}
.strata-pos a:hover .tick{background:var(--accent)}
.strata-pos a[aria-current="page"]{color:var(--ink)}
.strata-pos a[aria-current="page"] .tick{background:var(--accent);width:34px}

.article-body{padding-block:clamp(36px,5vw,64px)}
.article-body h2{
  font-family:var(--f-display);font-weight:600;font-size:1.5rem;
  letter-spacing:-.01em;margin:2.6rem 0 .8rem;
}
.article-body h2:first-child{margin-top:0}
.article-body p{margin:0 0 1.2rem;max-width:68ch}
.article-body p .lead{font-size:1.16rem}
.article-body strong{font-weight:600}
.article-body .drop::first-letter{
  font-family:var(--f-display);font-weight:700;font-size:3.4em;
  float:left;line-height:.82;padding:.05em .12em 0 0;color:var(--accent-2);
}
.pullquote{
  margin:2.4rem 0;padding:1.4rem 0 1.4rem 1.6rem;
  border-left:3px solid var(--accent);
  font-family:var(--f-display);font-weight:500;
  font-size:clamp(1.3rem,2.6vw,1.8rem);line-height:1.2;
  letter-spacing:-.01em;color:var(--ink);max-width:24ch;
}

/* callout / cross-site */
.crosslink{
  margin:2.6rem 0 0;background:var(--ink);color:var(--paper);
  border-radius:14px;padding:clamp(24px,4vw,38px);
  display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;
}
.crosslink .tag{font-family:var(--f-mono);font-size:.68rem;color:#9BC7B2;letter-spacing:.02em}
.crosslink h3{
  font-family:var(--f-display);font-weight:600;font-size:1.4rem;
  margin:.7rem 0 .4rem;letter-spacing:-.01em;
}
.crosslink p{color:#C4C9C6;font-size:1rem;margin:0;max-width:52ch}
.crosslink .btn-primary{white-space:nowrap}
@media (max-width:640px){.crosslink{grid-template-columns:1fr}}

/* prev/next */
.pager{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line);margin-top:3rem;padding-top:1.6rem;
}
.pager a{
  text-decoration:none;font-family:var(--f-mono);font-size:.74rem;
  color:var(--ink-2);display:inline-flex;flex-direction:column;gap:.3em;
}
.pager a:hover{color:var(--accent-2)}
.pager a .lbl{color:var(--ink-soft);font-size:.64rem}
.pager a.next{text-align:right;align-items:flex-end;margin-left:auto}

/* ============================================================
   Footer
   ============================================================ */
.site-footer{background:var(--ink);color:var(--paper);padding-block:clamp(44px,6vw,72px) 32px}
.footer-top{
  display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;
  padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand b{font-family:var(--f-display);font-weight:800;font-size:1.2rem}
.footer-brand p{color:#AEB4B1;font-size:.98rem;max-width:34ch;margin:.8rem 0 0}
.footer-col h4{
  font-family:var(--f-mono);font-size:.68rem;color:#9BC7B2;
  letter-spacing:.03em;font-weight:500;margin:0 0 1rem;
}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.7em}
.footer-col a{
  text-decoration:none;color:#D6DAD8;font-family:var(--f-mono);font-size:.78rem;
  display:inline-flex;align-items:center;gap:.5em;transition:color .16s;
}
.footer-col a:hover{color:#fff}
.footer-col a .ext{color:var(--accent);font-size:.9em}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  padding-top:24px;font-family:var(--f-mono);font-size:.68rem;color:#8A908D;
}

/* ============================================================
   Focus + motion
   ============================================================ */
a:focus-visible,.btn:focus-visible,.services-link:focus-visible{
  outline:2px solid var(--accent);outline-offset:3px;border-radius:4px;
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}

/* reveal */
.reveal{opacity:0;transform:translateY(14px)}
.reveal.in{opacity:1;transform:none;transition:opacity .6s ease,transform .6s ease}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-media{order:-1;max-width:440px}
  .thesis-cols{grid-template-columns:1fr;gap:20px}
  .map-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr 1fr}
  .article-head .grid{grid-template-columns:1fr}
  .strata-pos{flex-direction:row;flex-wrap:wrap;gap:14px}
}
@media (max-width:720px){
  body{font-size:18px}
  .header-right .services-link .label-full{display:none}
  .nav-toggle{
    display:inline-flex;align-items:center;gap:.5em;
    background:none;border:1px solid var(--line-2);border-radius:6px;
    font-family:var(--f-mono);font-size:.72rem;color:var(--ink);
    padding:.5em .8em;cursor:pointer;
  }
  .frameworks-nav ol{display:none;flex-direction:column}
  .frameworks-nav.open ol{display:flex}
  .frameworks-nav a{border-right:0;border-bottom:1px solid var(--line);padding:14px 16px;font-size:.8rem}
  .stratum{grid-template-columns:auto 1fr;gap:16px}
  .stratum .meta{grid-column:1 / -1;flex-direction:row;justify-content:space-between;text-align:left;align-items:center;margin-top:.4rem}
  .footer-top{grid-template-columns:1fr}
}

/* author byline */
.byline{font-family:var(--f-mono);font-size:.74rem;color:var(--ink-soft);letter-spacing:.01em;margin:1rem 0 0}
.byline a{color:var(--accent-2);text-decoration:none;border-bottom:1px solid var(--line-2)}
.byline a:hover{border-color:var(--accent)}

/* ============================================================
   Endgame — capability wheel + course tags
   ============================================================ */
.wheel{width:100%;height:auto}
.wheel-node .node-bg{transition:fill .2s,stroke .2s}
.wheel-node:hover .node-bg{fill:var(--accent-wash);stroke:var(--accent)}
.wheel-node:hover .node-name{fill:var(--accent-2)}
.wheel-node:focus-visible .node-bg{stroke:var(--accent);stroke-width:2}
.wheel-hub .hub-bg{fill:var(--ink);stroke:var(--ink)}
.wheel-caption{font-family:var(--f-mono);font-size:.66rem;fill:var(--ink-soft)}

.course-pill{
  font-family:var(--f-mono);font-size:.6rem;letter-spacing:.02em;
  padding:.28em .6em;border-radius:20px;white-space:nowrap;
  border:1px solid var(--line-2);color:var(--ink-soft);
}
.course-pill.has{border-color:var(--accent);color:var(--accent-2);background:var(--accent-wash)}
.stratum .meta .course-pill{margin-bottom:.15em}

/* ============================================================
   Strategy.vin — roadmap signature
   ============================================================ */
.roadmap{width:100%;height:auto}
.dest-label{font-family:var(--f-display);font-weight:700;fill:var(--accent-2)}
.phase-tag{font-family:var(--f-mono);fill:var(--ink-soft)}

/* ============================================================
   V-Squared — service matrix + client row
   ============================================================ */
.matrix{width:100%;height:auto}
.matrix-cell .cell-bg{transition:fill .2s,stroke .2s}
.matrix-cell:hover .cell-bg{fill:var(--accent-wash);stroke:var(--accent)}
.matrix-cell:hover .cell-name{fill:var(--accent-2)}
.matrix-cell:focus-visible .cell-bg{stroke:var(--accent);stroke-width:2}

.clients{display:flex;flex-wrap:wrap;gap:14px 34px;align-items:center;margin-top:1.6rem}
.clients span{font-family:var(--f-display);font-weight:600;font-size:1.15rem;color:var(--ink-2);letter-spacing:.01em}
.statrow{display:flex;flex-wrap:wrap;gap:36px;margin-top:2.4rem}
.statrow .stat .n{font-family:var(--f-display);font-weight:700;font-size:2rem;color:var(--accent-2);display:block;line-height:1}
.statrow .stat .l{font-family:var(--f-mono);font-size:.72rem;color:var(--ink-soft);letter-spacing:.02em;margin-top:.4rem;display:block}
.contact-card{background:var(--paper-2);border:1px solid var(--line);border-radius:16px;padding:clamp(28px,4vw,44px);margin-top:2.4rem;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}
@media (max-width:640px){.contact-card{grid-template-columns:1fr}}