/* ==========================================================================
   Integrex Health design system
   Source of truth: DESIGN.md (sections 5 and 10). Change tokens here, not in pages.
   Order: fonts, tokens, reset, type, layout, header, buttons, chapters, hero,
   the Resolve, components, diagram, forms, footer, utilities, motion.
   ========================================================================== */

/* ---------- Fonts (self hosted, four weights plus one mono) ---------- */
@font-face{font-family:"Lato";font-style:italic;font-weight:400;font-display:swap;src:url(/assets/fonts/lato-latin-400-italic.woff2) format("woff2")}
@font-face{font-family:"Lato";font-style:normal;font-weight:700;font-display:swap;src:url(/assets/fonts/lato-latin-700-normal.woff2) format("woff2")}
@font-face{font-family:"Inter";font-style:normal;font-weight:400;font-display:swap;src:url(/assets/fonts/inter-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"Inter";font-style:normal;font-weight:600;font-display:swap;src:url(/assets/fonts/inter-latin-600-normal.woff2) format("woff2")}
@font-face{font-family:"JetBrains Mono";font-style:normal;font-weight:400;font-display:swap;src:url(/assets/fonts/jetbrains-mono-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"Lato Fallback";src:local("Arial");size-adjust:97%;ascent-override:100%;descent-override:22%}
@font-face{font-family:"Inter Fallback";src:local("Arial");size-adjust:107%;ascent-override:90%;descent-override:22%}

/* ---------- Tokens ---------- */
:root{
  --navy:#0F2C44; --navy-deep:#0A1E30;
  --peacock:#0F6673; --peacock-deep:#12616B;
  --violet:#6E30A8; --violet-tint:#DCC6F6; --cyan:#0099CC; --cyan-tint:#7FD4F0;
  --wash-blue:#E9F6FB; --wash-peacock:#E6F3F2;
  --paper:#FFFFFF; --paper-tint:#F5F7F8;
  --line:#D9E1E6; --line-strong:#B8C4CC;
  --text:#1A2A33; --text-muted:#445663; --line-input:#7F8F9B;
  --on-dark:#F7F9FA; --on-dark-muted:rgba(247,249,250,.72); --line-on-dark:rgba(247,249,250,.14);
  --ok:#1E7F4F; --warn:#9A6400; --error:#B3261E;

  --font-display:"Lato","Lato Fallback","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --font-body:"Inter","Inter Fallback","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --fs-display:clamp(2.25rem,1.5rem + 3vw,3.5rem);     /* 36 to 56 */
  --lh-display:1.04;
  --fs-h1:clamp(2rem,1.5rem + 2vw,2.75rem);            /* 32 to 44 */
  --fs-h2:clamp(1.625rem,1.3rem + 1.3vw,2.125rem);     /* 26 to 34 */
  --fs-h3:clamp(1.25rem,1.1rem + .5vw,1.5rem);         /* 20 to 24 */
  --fs-h4:1.125rem;
  --fs-body-lg:clamp(1.125rem,1rem + .55vw,1.25rem);
  --fs-body:1.0625rem; --lh-body:1.55;
  --fs-small:.875rem; --lh-small:1.5;
  --fs-eyebrow:.8125rem;
  --fs-stat:clamp(2.75rem,2rem + 2.8vw,4.5rem);

  --s-1:4px; --s-2:8px; --s-3:12px; --s-4:16px; --s-6:24px; --s-8:32px; --s-12:48px; --s-16:64px; --s-24:96px; --s-32:128px; --s-40:160px;
  --container:1200px; --gutter:32px;
  --r-input:8px; --r-btn:999px; --r-card:22px; --r-object:24px;
  --shadow-rest:0 1px 2px rgba(15,44,68,.06),0 1px 3px rgba(15,44,68,.08);
  --shadow-float:0 12px 32px rgba(15,44,68,.14);
  --ease:cubic-bezier(.2,.7,.2,1);
  --header-h:64px;
}

/* ---------- Continuity: cross-document view transitions ---------- */
@view-transition{navigation:auto}
::view-transition-old(root),::view-transition-new(root){animation-duration:.28s}
.site-header{view-transition-name:header}
@media (prefers-reduced-motion:reduce){@view-transition{navigation:none}}

/* ---------- Reset and base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px)}
body{margin:0;background:var(--paper);color:var(--text);font-family:var(--font-body);font-size:var(--fs-body);line-height:var(--lh-body);font-synthesis:none;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;min-height:100vh;display:flex;flex-direction:column}
main{flex:1 0 auto}
img,svg,video{display:block;max-width:100%}
a{color:var(--peacock);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
/* Links inside prose never rely on colour alone (WCAG 1.4.1); nav, footer, buttons and standalone .link are exempt */
main p a:not(.btn):not(.link),main li a:not(.btn):not(.link){text-decoration:underline;text-underline-offset:.15em;text-decoration-thickness:1px}
main .subnav li a{text-decoration:none}
:focus-visible{outline:2px solid var(--peacock);outline-offset:2px;border-radius:2px;box-shadow:0 0 0 4px #fff}
.on-dark :focus-visible,.site-footer :focus-visible{box-shadow:0 0 0 4px var(--navy-deep)}
.on-dark :focus-visible,.site-footer :focus-visible,.resolve--dark :focus-visible{outline-color:var(--cyan-tint)}
::selection{background:var(--cyan-tint);color:var(--navy)}
@media (max-width:640px){:root{--gutter:20px}}

/* ---------- Type ---------- */
h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;color:var(--navy);margin:0;text-wrap:balance;text-box:trim-both cap alphabetic}
h4,.h4{letter-spacing:0}
.display{font-size:var(--fs-display);line-height:var(--lh-display);letter-spacing:-.032em}
h1,.h1{font-size:var(--fs-h1);line-height:1.1;letter-spacing:-.028em}
h2,.h2{font-size:var(--fs-h2);line-height:1.12;letter-spacing:-.025em}
h3,.h3{font-size:var(--fs-h3);line-height:1.25;letter-spacing:-.01em}
h4,.h4{font-size:1.25rem;line-height:1.3;font-weight:600}
p{margin:0 0 var(--s-4);text-wrap:pretty}
p:last-child{margin-bottom:0}
.lede{font-size:var(--fs-body-lg);line-height:1.5;max-width:52ch;color:var(--text-muted)}
.measure{max-width:68ch}
.muted{color:var(--text-muted)}
.small{font-size:var(--fs-small);line-height:var(--lh-small)}
.eyebrow{display:block;font-family:var(--font-display);font-weight:700;font-size:var(--fs-eyebrow);line-height:1.25;letter-spacing:.01em;color:var(--peacock);margin:0 0 var(--s-4)}
.mono{font-family:var(--font-mono)}
.on-dark{color:var(--on-dark)}
.on-dark h1,.on-dark h2,.on-dark h3,.on-dark h4{color:var(--on-dark)}
.on-dark p{color:var(--on-dark-muted)}
.on-dark .lede{color:var(--on-dark)}
.on-dark .eyebrow{color:var(--cyan-tint)}
.on-dark a:not(.btn){color:var(--cyan-tint)}

/* ---------- Layout ---------- */
.container{max-width:var(--container);margin:0 auto;padding-inline:var(--gutter)}
.grid{display:grid;gap:var(--s-6)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.split{display:grid;grid-template-columns:7fr 5fr;gap:var(--s-16);align-items:center}
.split--narrative{grid-template-columns:5fr 7fr;align-items:start}
.stack>*+*{margin-top:var(--s-4)}
@media (max-width:1024px){.split,.split--narrative{grid-template-columns:minmax(0,1fr);gap:var(--s-8)}}
@media (max-width:900px){.grid-3{grid-template-columns:minmax(0,1fr)}.grid-2{grid-template-columns:minmax(0,1fr)}}
.skip-link{position:absolute;left:var(--s-4);top:-60px;background:var(--navy);color:#fff;padding:var(--s-2) var(--s-4);border-radius:var(--r-btn);z-index:100;font-family:var(--font-display);font-weight:700}
.skip-link:focus{top:var(--s-4)}

/* ---------- Chapters ---------- */
.chapter{padding-block:var(--s-32);position:relative}
.chapter--tall{padding-block:var(--s-40)}
.chapter--tight{padding-block:var(--s-16)}
.chapter--paper{background:var(--paper)}
.chapter--tint{background:var(--paper-tint)}
.chapter--wash{background:var(--wash-blue)}
.chapter--navy{background:linear-gradient(180deg,var(--navy) 0%,var(--navy-deep) 100%);color:var(--on-dark)}
.chapter--peacock{background:linear-gradient(180deg,var(--peacock-deep) 0%,#0C4A52 100%);color:var(--on-dark);--on-dark-muted:rgba(247,249,250,.86)}
.chapter--peacock .eyebrow{color:var(--on-dark-muted)}
.chapter--navy::after,.chapter--peacock::after,.hero::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.03;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");background-size:180px 180px;mix-blend-mode:overlay}
.chapter--navy>.container,.chapter--peacock>.container,.hero>.container{position:relative;z-index:1}
.chapter--navy,.chapter--peacock,.hero{contain:paint}
.chapter-head{max-width:62ch;margin-bottom:var(--s-16)}
.chapter-head .lede{margin-top:var(--s-6)}
.chapter-head--center{margin-inline:auto;text-align:center}
.chapter-head--center .lede{margin-inline:auto}
.chapter-head--center h2{text-wrap:balance}
@media (max-width:640px){.chapter{padding-block:var(--s-16)}.chapter--tall{padding-block:var(--s-24)}.chapter.chapter--tight{padding-block:var(--s-12)}.chapter-head{margin-bottom:var(--s-8)}}
.hero + .chapter{padding-top:var(--s-16);padding-bottom:var(--s-24)}
.chapter--paper,.chapter--tint,.chapter--wash{contain:paint}
.pchapter{padding-block:var(--s-16)}
@media (max-width:640px){.chapter.pchapter{padding-block:var(--s-12)}}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;height:var(--header-h);border-bottom:1px solid transparent;transition:border-color .2s}
.site-header::before{content:"";position:absolute;inset:0;background:rgba(255,255,255,.965);backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);z-index:-1}
.site-header.is-scrolled{border-bottom-color:var(--line)}
.site-header .container{height:100%;display:flex;align-items:center;justify-content:space-between;gap:var(--s-6)}
.brand img{height:30px;width:auto}
.nav{display:flex;align-items:center;gap:var(--s-2)}
.nav>.btn{display:none}
.nav-link{font-family:var(--font-body);font-weight:400;font-size:.9375rem;color:var(--navy);padding:var(--s-2) var(--s-3);border-radius:var(--r-btn);position:relative;letter-spacing:-.005em}
.nav-link:hover{text-decoration:none}
.nav-link:not(.nav-item .nav-link):hover,.nav-item:hover{background:var(--wash-blue);border-radius:var(--r-btn)}
.nav-item:hover .nav-link,.nav-link:hover{color:var(--peacock)}
.nav-link[aria-current="page"]{font-weight:600}
.nav-item{position:relative;display:inline-flex;align-items:center}
.nav-item>.nav-link{padding-right:4px}
.nav-more{appearance:none;background:none;border:0;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;width:28px;height:36px;border-radius:var(--r-btn);color:var(--navy);margin-right:var(--s-1)}
.nav-more:hover{background:transparent}
.nav-more svg{width:14px;height:14px;transition:transform .2s}
.nav-item[data-open="true"] .nav-more svg,.nav-item:hover .nav-more svg{transform:rotate(180deg)}
.dropdown{position:absolute;top:calc(100% + 10px);left:0;min-width:340px;background:var(--paper);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-float);padding:var(--s-2);opacity:0;visibility:hidden;filter:blur(4px);transition:opacity .18s var(--ease),filter .18s var(--ease),visibility .18s}
.nav-item:not([data-dismissed="true"]):hover .dropdown,.nav-item[data-open="true"] .dropdown{opacity:1;visibility:visible;filter:blur(0)}
@starting-style{.nav-item:hover .dropdown{opacity:0;filter:blur(4px)}}
.dropdown a{display:block;padding:var(--s-3) var(--s-4);border-radius:10px;color:var(--navy)}
.dropdown a:hover{background:var(--wash-blue);text-decoration:none}
.dropdown a strong{display:block;font-family:var(--font-body);font-weight:600;font-size:.9375rem}
.dropdown a span{display:block;font-size:var(--fs-small);line-height:1.4;color:var(--text-muted);margin-top:2px}
.nav-toggle{display:none;appearance:none;background:none;border:0;padding:9px;cursor:pointer;color:var(--navy)}
.nav-toggle svg{width:26px;height:26px}
.nav-toggle .ic-x{display:none}
.nav-toggle[aria-expanded="true"] .ic-x{display:block}
.nav-toggle[aria-expanded="true"] .ic-menu{display:none}
.header-cta .btn{padding:9px 16px;font-size:.9375rem}
.page--light .header-cta .btn{background:transparent;color:var(--peacock);border-color:var(--peacock)}
.page--light .header-cta .btn:hover{background:var(--wash-blue)}
.page--contact .header-cta{visibility:hidden}
@media (max-width:900px){
  .site-header .container{justify-content:flex-start;gap:var(--s-2)}
  .nav-toggle{display:block;order:3;min-width:44px;min-height:44px}
  .header-cta{order:2;margin-left:auto}
  .header-cta .btn{padding:0 14px;min-height:44px;font-size:.875rem}
  .nav{position:fixed;inset:var(--header-h) 0 0 0;background:var(--paper);flex-direction:column;align-items:stretch;padding:var(--s-6) var(--gutter);gap:var(--s-1);overflow:auto;opacity:0;filter:blur(8px);visibility:hidden;transition:opacity .25s var(--ease),filter .25s var(--ease),visibility .25s}
  .nav[data-open="true"]{opacity:1;filter:blur(0);visibility:visible}
  .nav-item:hover{background:none;border-radius:0}
  .nav-item>.nav-link:hover{background:var(--wash-blue);border-radius:12px}
  .nav>.btn{margin-top:auto}
  .nav-link{font-size:1.25rem;padding:var(--s-2) var(--s-2);width:100%;text-align:left;font-family:var(--font-display);font-weight:700;color:var(--navy)}
  .nav-item{flex-wrap:wrap}
  .nav-item>.nav-link{flex:1}
  .nav-more{width:44px;height:44px}
  .nav-item .dropdown{flex-basis:100%}
  .dropdown{position:static;min-width:0;box-shadow:none;border:0;padding:0 0 var(--s-3) var(--s-4);opacity:1;visibility:visible;transform:none;display:none}
  .nav-item[data-open="true"] .dropdown{display:block}
  .nav-item:hover .nav-more svg{transform:none}
  .nav-item[data-open="true"] .nav-more svg{transform:rotate(180deg)}
  .nav>.btn{display:inline-flex;margin-top:var(--s-6);justify-content:center}
  .site-header:has(.nav[data-open="true"])::before{background:var(--paper)}
}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:var(--s-2);font-family:var(--font-body);font-weight:600;font-size:.9375rem;line-height:1;padding:14px 24px;letter-spacing:-.005em;border-radius:var(--r-btn);border:1.5px solid transparent;cursor:pointer;transition:background .16s var(--ease),border-color .16s var(--ease),color .16s var(--ease);white-space:nowrap}
.btn:hover{text-decoration:none}
.btn--primary{background:var(--peacock);color:#fff}
.btn--primary:hover{background:#0B4F59}
.btn--secondary{background:transparent;color:var(--peacock);border-color:transparent;padding-inline:8px}
.btn--secondary:hover{color:var(--peacock-deep);text-decoration:underline;text-underline-offset:4px}
.on-dark .btn--primary{background:var(--on-dark);color:var(--navy)}
.on-dark .btn--primary:hover{background:var(--cyan-tint)}
.on-dark .btn--secondary{color:var(--cyan-tint)}
.on-dark .btn--secondary:hover{color:var(--on-dark);background:none}
.btn-row{display:flex;flex-wrap:wrap;gap:var(--s-4);align-items:center}
.btn-row--center{justify-content:center}
@media (max-width:640px){.btn-row--center{justify-content:flex-start}}
.link{font-family:var(--font-body);font-weight:600;color:var(--peacock);display:inline-block;padding-bottom:2px;border-bottom:1px solid transparent;transition:border-color .16s}
.link:hover{text-decoration:none;border-bottom-color:var(--peacock)}
.on-dark .link{color:var(--cyan-tint)} .on-dark .link:hover{border-bottom-color:var(--cyan-tint)}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--navy-deep);color:var(--on-dark);overflow:hidden;padding-block:clamp(96px,12vw,160px) clamp(64px,9vw,128px)}
@media (max-width:400px){.hero{padding-block:56px 64px}.hero .lede{margin-top:var(--s-6)}.hero .btn-row{margin-top:var(--s-8)}}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media video,.hero-media img{width:100%;height:100%;object-fit:cover;opacity:.28;filter:saturate(.6)}
.hero-media::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 70% at calc(50% - 280px) 40%,rgba(18,97,107,.55),transparent 70%),linear-gradient(180deg,rgba(15,44,68,.75) 0%,rgba(15,44,68,.6) 55%,var(--navy-deep) 100%);z-index:1}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:var(--s-16);align-items:center}
.hero .lede{max-width:52ch;margin-top:var(--s-6);color:var(--on-dark-muted)}
.hero .btn-row{margin-top:var(--s-12)}
@media (max-width:900px){.hero-grid{grid-template-columns:minmax(0,1fr);gap:var(--s-12)}.hero .resolve{margin-inline:0}}
.hero-fade{position:absolute;left:0;right:0;bottom:-1px;height:200px;background:linear-gradient(180deg,transparent,var(--navy-deep));z-index:1;pointer-events:none}

.hero-fallback{position:absolute;inset:0;background:radial-gradient(80% 60% at calc(50% + 380px) 30%,rgba(15,102,115,.5),transparent 60%)}

/* headline line reveal (one orchestrated moment) */
.reveal-lines .line{display:block;overflow:hidden}
.js .reveal-lines .line>span{display:block;opacity:0;filter:blur(8px);animation:settle .6s var(--ease) forwards;will-change:filter}
.reveal-lines .line:nth-child(2)>span{animation-delay:.08s}
.reveal-lines .line:nth-child(3)>span{animation-delay:.16s}
@keyframes settle{to{opacity:1;filter:blur(0)}}
@keyframes rise{to{transform:none}}

/* ---------- The Resolve ---------- */
.resolve{--rs-bg:var(--paper);--rs-fg:var(--text);--rs-muted:var(--text-muted);--rs-line:var(--line);--rs-accent:var(--peacock);--rs-hi:var(--wash-peacock);
  width:min(420px,100%);margin-inline:auto;background:var(--rs-bg);color:var(--rs-fg);border-radius:var(--r-object);corner-shape:superellipse(1.6);box-shadow:var(--shadow-float);padding:var(--s-8);font-family:var(--font-mono);font-size:.8125rem;line-height:1.55;position:relative}
.resolve--dark{--rs-bg:rgba(10,30,48,.92);--rs-fg:var(--on-dark);--rs-muted:var(--on-dark-muted);--rs-line:var(--line-on-dark);--rs-accent:var(--cyan-tint);--rs-hi:rgba(220,198,246,.16);border:1px solid var(--line-on-dark)}
.resolve{contain:layout paint}
.resolve-head{display:flex;align-items:center;justify-content:space-between;gap:var(--s-3);font-family:var(--font-body);font-weight:600;font-size:.875rem;padding-bottom:var(--s-3);border-bottom:1px solid var(--rs-line);margin-bottom:var(--s-4)}
.resolve-head .dot{width:8px;height:8px;border-radius:50%;background:var(--rs-line);display:inline-block;margin-right:8px;vertical-align:middle;transition:background .3s}
.resolve.is-done .resolve-head .dot{background:var(--peacock)}
.resolve-replay{color:var(--text-muted);border:1px solid var(--line-strong);background:var(--paper)}
.hero .resolve-replay{color:var(--on-dark-muted);border-color:rgba(247,249,250,.3);background:rgba(10,30,48,.6)}
.hero .resolve-replay:hover{color:var(--on-dark);border-color:var(--on-dark)}
.resolve--dark.is-done .resolve-head .dot{background:var(--cyan-tint)}
.resolve-replay{appearance:none;background:none;border:1px solid var(--rs-line);color:var(--rs-muted);font:inherit;font-family:var(--font-body);font-size:.8125rem;padding:5px 12px;border-radius:999px;cursor:pointer;opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}
.resolve.is-done .resolve-replay,.resolve-wrap:has(.resolve.is-done) .resolve-replay,.resolve-replay:focus-visible{opacity:1;visibility:visible}
.resolve-replay:hover{color:var(--rs-fg);border-color:var(--rs-fg)}
.rs-row{display:grid;grid-template-columns:minmax(88px,max-content) minmax(0,1fr);gap:var(--s-3);padding:5px 0;align-items:baseline}
.resolve .rs-row,.resolve .rs-out--key,.handoff .rs-row{grid-template-columns:14ch minmax(0,1fr)}
.rs-key{color:var(--rs-muted)}
.rs-val{white-space:normal;overflow-wrap:anywhere}
.rs-input .rs-val{display:inline-block;justify-self:start;white-space:nowrap;overflow:hidden;max-width:0;border-right:2px solid transparent}
.resolve.is-playing .rs-input:nth-child(2) .rs-val{animation:type .55s steps(10) .2s forwards;border-right-color:var(--rs-accent)}
.resolve.is-playing .rs-input:nth-child(3) .rs-val{animation:type .5s steps(10) .9s forwards,caret 1s step-end infinite;transition:border-color 0s .9s}
.resolve.is-playing .rs-input:nth-child(2) .rs-val{animation:type .55s steps(10) .2s forwards,caretoff 0s .9s forwards}
.resolve.is-done .rs-input .rs-val{max-width:100%;border-right-color:transparent;animation:none}
@keyframes type{to{max-width:12ch}}
@keyframes caretoff{to{border-right-color:transparent}}
@keyframes caret{50%{border-right-color:transparent}}
.rs-payers{display:flex;gap:6px;flex-wrap:wrap;margin:var(--s-3) 0;padding:var(--s-3) 0;border-top:1px solid var(--rs-line);border-bottom:1px solid var(--rs-line)}
.rs-chip{font-family:var(--font-body);font-size:.8125rem;font-weight:600;padding:4px 10px;border-radius:999px;border:1px solid var(--rs-line);color:var(--rs-muted);transition:background .3s,color .3s,border-color .3s}
.resolve.is-playing .rs-chip,.resolve.is-done .rs-chip{background:var(--peacock);color:#fff;border-color:var(--peacock)}
.resolve--dark.is-playing .rs-chip,.resolve--dark.is-done .rs-chip{background:var(--peacock-deep);border-color:var(--peacock-deep);color:var(--on-dark)}
.resolve.is-playing .rs-chip:nth-child(1){transition-delay:1.6s}
.resolve.is-playing .rs-chip:nth-child(2){transition-delay:1.75s}
.resolve.is-playing .rs-chip:nth-child(3){transition-delay:1.9s}
.resolve.is-playing .rs-chip:nth-child(4){transition-delay:2.05s}
.js .rs-out{opacity:.18;filter:blur(6px);transition:opacity .4s var(--ease),filter .4s var(--ease)}
.resolve.is-reset *{transition:none!important;animation:none!important}
.resolve.is-playing .rs-out,.resolve.is-done .rs-out{opacity:1;filter:blur(0)}
.resolve.is-playing .rs-out{transition-delay:var(--d,2.9s)}
.rs-out--key{--rs-hi:rgba(110,48,168,.08);background:var(--rs-hi);border-left:2px solid var(--violet);border-radius:0 8px 8px 0;padding:6px 8px;margin:4px -8px 0;grid-template-columns:minmax(80px,max-content) minmax(0,1fr)}
.rs-out--key .rs-val{color:var(--violet);font-weight:400}
.resolve--dark .rs-out--key{--rs-hi:rgba(220,198,246,.16);border-left-color:var(--violet-tint)}
.resolve--dark .rs-out--key .rs-val{color:var(--violet-tint)}
.rs-static .rs-val{color:var(--rs-muted)}
@media (max-width:400px){.resolve{padding:var(--s-6)}}
.rs-foot{font-family:var(--font-body);font-size:.8125rem;color:var(--rs-muted);margin-top:var(--s-4);padding-top:var(--s-3);border-top:1px solid var(--rs-line);opacity:0;transition:opacity .4s 4s}
.resolve.is-playing .rs-foot,.resolve.is-done .rs-foot{opacity:1}
.resolve.is-done .rs-foot{transition-delay:0s}
.resolve--static .rs-input .rs-val{max-width:100%;border-right:0}
.resolve--static .rs-chip{background:var(--rs-accent);color:var(--rs-bg);border-color:var(--rs-accent)}
.resolve--static .rs-out,.resolve--static .rs-foot{opacity:1;filter:none}
.resolve--static .resolve-replay{display:none}

/* ---------- Pathway cards ---------- */
.pathways{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--s-12)}
.pathway{border-top:1px solid var(--line-on-dark);padding-top:var(--s-6);display:flex;flex-direction:column;gap:var(--s-3)}
.pathway h3{font-size:var(--fs-h3)}
.pathway p{font-size:.9375rem;line-height:1.55;margin-bottom:0}
.pathway .link{margin-top:var(--s-3)}
.pathway p{flex:1}
.pathway .link{align-self:flex-start}
@media (min-width:641px) and (max-width:900px){.pathways,.proof,.tiles{grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--s-8)}}
@media (max-width:640px){.pathways{grid-template-columns:minmax(0,1fr)}}

/* ---------- Stats ---------- */
.stats{display:flex;flex-wrap:wrap;gap:var(--s-12) var(--s-24);margin-top:var(--s-8)}
.facts{margin-top:var(--s-4)}
.stat{min-width:160px}
.stat-num{transition:filter .6s var(--ease),opacity .6s var(--ease)}
.js .stats[data-inview]:not(.in-view) .stat-num,.js .proof[data-inview]:not(.in-view) .stat-num{filter:blur(8px);opacity:0}
.stat-num{font-family:var(--font-display);font-weight:700;font-size:var(--fs-stat);line-height:1;letter-spacing:-.03em;color:var(--navy);font-variant-numeric:tabular-nums lining-nums}
.stat-num small{font-size:.5em;font-weight:400;letter-spacing:0;font-family:var(--font-body);color:var(--text-muted);margin-inline:.05em}
.stat-label{font-size:var(--fs-small);line-height:var(--lh-small);color:var(--text-muted);margin-top:var(--s-3);max-width:30ch}
.on-dark .stat-num{color:var(--on-dark)} .on-dark .stat-label{color:var(--on-dark-muted)}

/* ---------- The 61 grid ---------- */
.blues{display:grid;grid-template-columns:repeat(11,1fr);gap:6px;margin-top:0;width:100%}
.blues span{aspect-ratio:1;border-radius:4px;background:var(--paper-tint);border:1px solid #94A3AD;transition:background .3s var(--ease),border-color .3s var(--ease)}
.blues.in-view span{background:var(--peacock);border-color:var(--peacock);transition-duration:.12s;transition-delay:calc(var(--i) * 28ms)}
.blues-caption{margin-top:var(--s-4);font-size:var(--fs-small);color:var(--text-muted);max-width:440px}

/* ---------- Code motif and funding toggle ---------- */
.code-motif{font-family:var(--font-mono);line-height:1.2;font-size:clamp(1.5rem,1.1rem + 1.2vw,1.75rem);color:var(--on-dark);letter-spacing:-.01em;margin-bottom:var(--s-8)}
.code-motif .k{color:var(--on-dark-muted)} .code-motif .v{color:var(--violet-tint);white-space:nowrap}
@media (max-width:400px){.code-motif{font-size:1.25rem}}
@media (max-width:360px){.code-motif{font-size:1.0625rem}}
.flagbox{background:rgba(10,30,48,.45);border:1px solid var(--line-on-dark);border-radius:var(--r-card);corner-shape:superellipse(1.6);padding:var(--s-8);max-width:520px}
.flag-head{display:flex;align-items:center;justify-content:space-between;gap:var(--s-4);flex-wrap:wrap;padding-bottom:var(--s-4);border-bottom:1px solid var(--line-on-dark);margin-bottom:var(--s-4)}
.flag-name{font-size:.9375rem;color:var(--on-dark);font-family:var(--font-body);font-weight:600}
.flag-name small{display:block;font-family:var(--font-mono);font-weight:400;font-size:.75rem;color:var(--on-dark-muted);margin-top:2px}
.switch{appearance:none;position:relative;width:96px;height:36px;background:rgba(247,249,250,.12);border:1px solid var(--line-on-dark);border-radius:999px;padding:4px;display:inline-flex;align-items:center;cursor:pointer;color:var(--on-dark);font-family:var(--font-body);font-weight:600;font-size:.8125rem;transition:background .25s var(--ease)}
.switch-knob{width:26px;height:26px;border-radius:50%;background:var(--on-dark);transition:transform .3s var(--ease);forced-color-adjust:none;border:2px solid transparent}
.switch-label{position:absolute;right:14px;min-width:3ch;text-align:right}
.switch[aria-checked="true"]{background:var(--violet)}
.switch[aria-checked="true"] .switch-knob{transform:translateX(58px)}
.switch[aria-checked="true"] .switch-label{right:auto;left:14px;text-align:left}
@media (forced-colors:active){.switch-knob{background:ButtonText;border-color:ButtonText}.blues.in-view span{background:Highlight}}
.flag-body{font-size:.8125rem;line-height:1.55;color:var(--on-dark);min-height:132px}
.flag-body .rs-key{color:var(--on-dark-muted)}
.flag-body .rs-val.v{color:var(--violet-tint)}
.rs-grow{opacity:0;filter:blur(6px);transition:opacity .4s var(--ease),filter .4s var(--ease)}
.flagbox.is-on .rs-grow{opacity:1;filter:blur(0)}
.flagbox.is-on .rs-static-rows{filter:blur(2px);animation:refocus .5s var(--ease) forwards}
@keyframes refocus{to{filter:blur(0)}}
.flagbox.is-on [data-flag-route]{transition-delay:.15s}
.flag-note{font-family:var(--font-body);font-size:var(--fs-small);line-height:var(--lh-small);color:var(--on-dark);margin-top:var(--s-4);padding-top:var(--s-4);border-top:1px solid var(--line-on-dark);min-height:3.2em}
.flag-body .rs-row{grid-template-columns:minmax(100px,max-content) minmax(0,1fr)}
@media (max-width:640px){.flagbox{padding:var(--s-6)}}
.chapter--paper .flagbox{background:var(--navy-deep);border-color:transparent}

/* ---------- Orchestration diagram (line drawing) ---------- */
.orch{margin-top:var(--s-12);margin-bottom:0}
.orch svg{width:100%;height:auto;overflow:visible}
.orch .rail{fill:none;stroke:var(--line);stroke-width:1.5;stroke-dasharray:3 5}
.orch .rail-draw{fill:none;stroke:var(--peacock);stroke-width:2.5;stroke-linecap:round;stroke-dasharray:1;stroke-dashoffset:1}
.orch .node-ring{fill:var(--paper);stroke:var(--line-strong);stroke-width:1.5;transition:stroke .4s}
.orch .node-core--v{fill:var(--violet)!important}
.orch .node-core{fill:var(--peacock);opacity:0;transform-origin:center;transform-box:fill-box;transform:scale(.9);transition:opacity .35s var(--ease),transform .5s var(--ease)}
.orch .node-icon{fill:none;stroke:var(--line-strong);stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;transition:stroke .35s}
.orch .node-icon path,.orch .node-icon circle{stroke-dasharray:60;stroke-dashoffset:60;transition:stroke-dashoffset .9s var(--ease)}
.orch .record,.orch .record-glow{fill:var(--violet);opacity:0}
.orch .record-glow{fill:var(--violet);filter:blur(8px)}
.orch .lbl{font-family:var(--font-display);font-weight:700;font-size:15px;fill:var(--navy);transition:filter .6s var(--ease),opacity .6s var(--ease)}
.js .orch:not(.in-view) .lbl,.js .orch:not(.in-view) .sub{filter:blur(6px);opacity:.3}
.orch .sub{font-size:13px;transition:filter .6s var(--ease),opacity .6s var(--ease)}
.orch.in-view .lbl:nth-of-type(2),.orch.in-view .sub:nth-of-type(2){transition-delay:.75s}.orch.in-view .lbl:nth-of-type(3),.orch.in-view .sub:nth-of-type(3){transition-delay:1.5s}.orch.in-view .lbl:nth-of-type(4),.orch.in-view .sub:nth-of-type(4){transition-delay:2.25s}.orch.in-view .lbl:nth-of-type(5),.orch.in-view .sub:nth-of-type(5){transition-delay:2.95s}
@media (max-width:1100px){.orch .lbl{font-size:17px}.orch .sub{font-size:14px}}
.orch .sub{font-family:var(--font-body);fill:var(--text-muted)}
.orch.in-view .rail-draw{animation:draw 3.1s linear forwards}
.orch.in-view .node-core{opacity:1;transform:none}
.orch.in-view .node-icon{stroke:#fff}
.orch.in-view .node-icon path,.orch.in-view .node-icon circle{stroke-dashoffset:0}
.orch.in-view .node-ring{stroke:var(--peacock)}
.orch.in-view .n1 *{transition-delay:.1s}.orch.in-view .n2 *{transition-delay:.75s}.orch.in-view .n3 *{transition-delay:1.5s}.orch.in-view .n4 *{transition-delay:2.25s}.orch.in-view .n5 *{transition-delay:2.95s}
.orch.in-view .record{animation:travel 3.1s linear forwards}
.orch.in-view .record-glow{animation:travel 3.1s linear forwards;opacity:0}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes travel{0%{opacity:0;offset-distance:0%}5%{opacity:1}95%{opacity:.9}100%{opacity:0;offset-distance:100%}}
.steps.orch-mobile{display:none;margin-top:var(--s-8)}
.orch-mobile h3{font-size:1.25rem;font-weight:600}
.orch-mobile p{font-size:var(--fs-small);line-height:var(--lh-small);color:var(--text-muted)}
@media (max-width:900px){.orch{display:none}.steps.orch-mobile{display:grid;position:relative}.orch-mobile::before{content:"";position:absolute;left:13px;top:14px;bottom:14px;border-left:1.5px dashed var(--line-strong)}.orch-mobile li::before{position:relative;z-index:1;border:1.5px solid var(--peacock);background:var(--paper)}}
.orch-mobile li:nth-child(2)::before{background:var(--violet);color:#fff}
.orch-steps{display:grid;grid-template-columns:repeat(5,1fr);gap:var(--s-6);margin-top:var(--s-8)}
.orch-step h4{font-size:1.0625rem;margin-bottom:var(--s-1)}
.orch-step p{font-size:var(--fs-small);line-height:var(--lh-small);color:var(--text-muted)}
.orch-step .n{font-family:var(--font-mono);font-size:.75rem;color:var(--peacock);display:block;margin-bottom:var(--s-2)}
@media (max-width:900px){.orch-steps{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.orch-steps{grid-template-columns:1fr}}

/* ---------- The layer, drawn ---------- */
.layer svg{width:100%;height:auto;max-width:560px;margin-inline:auto;display:block}
.layer rect{fill:var(--paper);stroke:var(--line-strong);stroke-width:1.5}
.layer text{font-family:var(--font-body);font-size:13px;fill:var(--text);text-anchor:middle}
.layer .base{fill:var(--paper-tint);stroke:var(--line)}
.layer .up{fill:none;stroke:var(--line-strong);stroke-width:1.5;stroke-dasharray:3 4}
.layer .lay-band rect{fill:var(--peacock);stroke:none}
.layer .band-t{fill:#fff;font-family:var(--font-display);font-weight:700;font-size:15px}
.layer .v{stroke:var(--violet)}
.layer .vt{fill:var(--violet);font-weight:600}
.layer .lay{transition:opacity .6s var(--ease),filter .6s var(--ease)}
.js .layer .lay{opacity:0;filter:blur(6px)}
.layer svg.layer--narrow{display:none}
@media (max-width:640px){.layer svg.layer--wide{display:none}.layer svg.layer--narrow{display:block;max-width:320px}}
.layer.in-view .lay{opacity:1;filter:blur(0)}
.layer.in-view .lay-stack{transition-delay:0s}.layer.in-view .lay-band{transition-delay:.35s}.layer.in-view .lay-out{transition-delay:.7s}

/* ---------- Reveal (resolve into focus, once) ---------- */
.js .reveal{opacity:0;filter:blur(8px);transition:opacity .7s var(--ease),filter .7s var(--ease);transition-delay:var(--d,0s)}
.js .reveal.in-view{opacity:1;filter:blur(0)}
.reveal--late{--d:.2s}

/* Safety net: nothing stays parked for an observer that never fires (blocked script, prerender, old engine).
   Every settled element reaches its rest state 2.5s after load; the reveal cancels this the moment it runs. */
@keyframes present{to{opacity:1;filter:none;transform:none}}
@keyframes present-w{to{width:var(--p)}}
.js .layer .lay,.js .rs-out,.js .rs-foot,.js .rec,.js .rec .rs-out--key,.js .reveal,.js .orch .lbl,.js .orch .sub,.js .stats[data-inview] .stat-num,.js .proof[data-inview] .stat-num{animation:present .4s var(--ease) 2.5s forwards}
.js .rbar .rbar-fill{animation:present-w .6s var(--ease) 2.5s forwards}
.layer.in-view .lay,.resolve.is-playing .rs-out,.resolve.is-done .rs-out,.resolve.is-playing .rs-foot,.resolve.is-done .rs-foot,.resolve--static .rs-out,.resolve--static .rs-foot,.meet.in-view .rec,.meet.in-view .rec .rs-out--key,.reveal.in-view,.orch.in-view .lbl,.orch.in-view .sub,.stats.in-view .stat-num,.proof.in-view .stat-num,.rbar.in-view .rbar-fill{animation:none}
.no-js .rs-foot{opacity:1}

/* ---------- Sub nav (platform) ---------- */
.subnav{position:sticky;top:var(--header-h);z-index:40;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line)}
body:has(.subnav){scroll-padding-top:calc(var(--header-h) + 57px + 16px)}
.subnav .container{position:relative}
@media (max-width:640px){.subnav{position:static}}
@media (max-width:700px){.subnav .container{mask-image:linear-gradient(90deg,#000 calc(100% - 40px),transparent);-webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 40px),transparent)}.subnav a{padding:12px var(--s-3)}}
.subnav ul{list-style:none;margin:0;padding:0;display:flex;gap:var(--s-2);overflow-x:auto;scrollbar-width:none}
.subnav ul::-webkit-scrollbar{display:none}
.subnav a{display:block;padding:14px var(--s-3);font-size:.875rem;font-weight:600;color:var(--text-muted);white-space:nowrap;border-bottom:2px solid transparent;transition:color .2s,border-color .2s}
.subnav a:hover{text-decoration:none;color:var(--navy)}
.subnav a.is-active,.subnav a[aria-current="location"]{color:var(--peacock);border-bottom-color:var(--peacock)}
.subnav-bar{position:absolute;left:0;bottom:-1px;height:2px;width:100%;transform-origin:left;transform:scaleX(var(--p,0));background:var(--peacock);opacity:.35}


/* ---------- Two records meet (About) ---------- */
.meet{display:grid;grid-template-columns:1fr auto 1fr;gap:0;align-items:center;max-width:640px;margin-inline:auto}
.rec{background:var(--paper);border-radius:var(--r-object);corner-shape:superellipse(1.6);box-shadow:var(--shadow-float);padding:var(--s-6);font-size:.75rem;line-height:1.5;transition:transform .8s var(--ease),opacity .8s var(--ease),filter .8s var(--ease)}
.js .rec{opacity:0;filter:blur(8px)}
.rec .rs-row{grid-template-columns:minmax(64px,max-content) minmax(0,1fr);padding:3px 0}
.rec .rs-val{white-space:normal;overflow:visible;text-overflow:clip}
.rec .rs-key{color:var(--text-muted)}
.rec-head{font-family:var(--font-body);font-weight:600;font-size:.8125rem;color:var(--navy);padding-bottom:var(--s-2);border-bottom:1px solid var(--line);margin-bottom:var(--s-2)}
.js .rec--clin{transform:translateX(-16px)}
.js .rec--fin{transform:translateX(16px)}
.rec .rs-val s{color:var(--text-muted);text-decoration-thickness:1px;opacity:0;transition:opacity .4s 1.6s}
.rec .rs-val b{font-weight:400;color:var(--peacock);opacity:0;transition:opacity .4s 1.9s}
.rec .rs-out--key{margin:4px -6px 0;padding:4px 6px;grid-template-columns:minmax(64px,max-content) minmax(0,1fr);transition:opacity .5s 2.2s,filter .5s 2.2s}
.js .rec .rs-out--key{opacity:0;filter:blur(4px)}
.meet-link{width:96px;display:flex;flex-direction:column;align-items:center;gap:6px}
.meet-line{width:100%;height:2px;background:var(--peacock);transform:scaleX(0);transition:transform .6s var(--ease) 1.1s}
.meet-chip{font:600 12px/1 var(--font-body);color:var(--peacock);background:var(--paper);border:1px solid var(--peacock);border-radius:999px;padding:4px 8px;opacity:0;transition:opacity .4s 1.6s}
.meet.in-view .rec{opacity:1;filter:blur(0);transform:none}
.meet.in-view .meet-line{transform:scaleX(1)}
.meet.in-view .meet-chip,.meet.in-view .rec .rs-val s,.meet.in-view .rec .rs-val b,.meet.in-view .rec .rs-out--key{opacity:1;filter:blur(0)}
.no-js .meet-line{transform:none}.no-js .meet-chip,.no-js .rec .rs-val s,.no-js .rec .rs-val b{opacity:1}
@media (max-width:640px){.meet{grid-template-columns:1fr;gap:var(--s-2)}.meet-link{width:100%;flex-direction:column;justify-content:center;height:64px}.meet-line{width:2px;height:28px;transform:scaleY(0);transform-origin:top}.meet.in-view .meet-line{transform:scaleY(1)}.rec--clin,.rec--fin{transform:translateY(20px)}}

/* ---------- Principles (About) ---------- */
.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--s-12)}
.principle svg{width:48px;height:48px;fill:none;stroke:var(--peacock);stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;margin-bottom:var(--s-4)}
.principle svg *{stroke-dasharray:120;stroke-dashoffset:120;transition:stroke-dashoffset 1.2s var(--ease) calc(var(--d,0s) + .2s)}
.principle.in-view svg *{stroke-dashoffset:0}
.principle h3{font-size:1.25rem;margin-bottom:var(--s-3)}
.principle p{color:var(--text-muted);font-size:1rem;line-height:1.6}
.facts-row{display:flex;gap:var(--s-12);margin-top:var(--s-8);padding-top:var(--s-6);border-top:1px solid var(--line);flex-wrap:wrap}
.factcell{display:flex;flex-direction:column}
.factcell .stat-num{font-size:2.5rem}
@media (max-width:900px){.principles{grid-template-columns:minmax(0,1fr)}}

/* ---------- Blues counter ---------- */
.blues-wrap{display:grid;grid-template-columns:minmax(0,340px) auto;gap:var(--s-12);align-items:center;margin-top:var(--s-8)}
@media (max-width:640px){.blues-wrap{grid-template-columns:minmax(0,1fr);gap:var(--s-6)}}
.blues-count{font-family:var(--font-display);font-weight:700;font-size:var(--fs-stat);line-height:1;letter-spacing:-.03em;color:var(--navy);font-variant-numeric:tabular-nums;min-width:2.2ch}
.blues-count small{display:block;font-family:var(--font-body);font-weight:400;font-size:var(--fs-small);line-height:var(--lh-small);letter-spacing:0;color:var(--text-muted);margin-top:var(--s-3);max-width:22ch;text-wrap:balance}

/* ---------- Follow the record (homepage) ---------- */
.follow{position:fixed;left:24px;bottom:24px;z-index:45;background:var(--navy-deep);color:var(--on-dark);border:1px solid var(--line-on-dark);border-radius:999px;padding:10px 16px 10px 12px;display:flex;align-items:center;gap:10px;font-family:var(--font-body);font-weight:600;font-size:.8125rem;box-shadow:var(--shadow-float);opacity:0;filter:blur(6px);transition:opacity .4s var(--ease),filter .4s var(--ease)}
.follow.is-visible{opacity:1;filter:blur(0)}
.follow .fk{font-family:var(--font-mono);font-weight:400}
.follow .fdot{width:8px;height:8px;border-radius:50%;background:var(--cyan-tint);transition:background .3s}
.follow.is-v .fdot{background:var(--violet-tint)}
.follow .fk{color:var(--on-dark-muted)}
.follow .fs{display:inline-block;min-width:16ch;transition:opacity .25s,filter .25s}
.follow.is-swapping .fs{opacity:0;filter:blur(4px)}
@media (max-width:900px),(prefers-reduced-motion:reduce){.follow{display:none}}
.no-js .follow{display:none}

/* ---------- Proof cards ---------- */
.proof{display:grid;grid-template-columns:1fr 1fr;gap:var(--s-6)}
.proof-card{background:var(--paper);border-radius:var(--r-card);corner-shape:superellipse(1.6);padding:var(--s-12);display:flex;flex-direction:column;gap:var(--s-3);color:var(--text);transition:box-shadow .35s var(--ease)}
.proof-card:hover{text-decoration:none;box-shadow:var(--shadow-float)}
.proof-card p{margin-bottom:0}
.proof-card .link{margin-top:var(--s-3)}
.proof-card p{color:var(--text)}
@media (max-width:640px){.proof-card{padding:var(--s-8)}}

.chapter--paper .proof-card{background:var(--paper-tint)}
.proof-card .cat{font-family:var(--font-display);font-weight:700;font-size:var(--fs-eyebrow);color:var(--peacock)}
.proof-card .stat-num{font-size:clamp(2rem,1.6rem + 1.4vw,2.625rem)}
.proof-card p{flex:1}
@media (max-width:640px){.proof{grid-template-columns:minmax(0,1fr)}}

/* ---------- Narrative blocks ---------- */
.narrative{display:grid;grid-template-columns:5fr 7fr;gap:var(--s-16);align-items:start;padding-block:var(--s-16);border-top:1px solid var(--line)}
.narrative:first-of-type{border-top:0;padding-top:0}
.narrative:last-of-type{padding-bottom:0}
.narrative .body>:first-child{text-box:trim-start cap alphabetic}
.narrative h2{position:sticky;top:calc(var(--header-h) + var(--s-8));max-width:16ch}
.narrative .body{max-width:62ch}
.narrative .body .link,.pchapter .link{display:inline-block;margin-top:var(--s-2)}
.narrative .body h3{margin-bottom:var(--s-3)}
.h4+p{margin-top:var(--s-3)}
.narrative .body .stats{margin-top:var(--s-8)}
@media (max-width:1024px){.narrative{grid-template-columns:minmax(0,1fr);gap:var(--s-6)}.narrative h2{position:static;max-width:none}}

/* ---------- Simple lists and steps ---------- */
.steps{counter-reset:s;list-style:none;margin:0;padding:0;display:grid;gap:var(--s-4)}
.steps li{position:relative;padding-left:44px}
.steps li::before{counter-increment:s;content:counter(s);position:absolute;left:0;top:1px;width:28px;height:28px;border-radius:50%;background:var(--paper-tint);color:var(--peacock);font-family:var(--font-body);font-weight:600;font-size:.875rem;display:grid;place-items:center}

/* ---------- Product tiles (platform page) ---------- */
.tiles{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--s-6)}
.tile{display:block;background:var(--paper);border-radius:var(--r-card);padding:var(--s-12);color:var(--text);transition:box-shadow .25s var(--ease)}
.tile:hover{text-decoration:none;box-shadow:var(--shadow-float)}
.tile p{margin-bottom:0}
.tile .link{margin-top:var(--s-2)}
.tile h3{margin-bottom:var(--s-3)}
.tile p{color:var(--text-muted);font-size:1rem;line-height:1.55}
.tile .link{margin-top:var(--s-3)}
@media (max-width:800px){.tiles{grid-template-columns:minmax(0,1fr)}}
.display--interior{font-size:var(--fs-h1);line-height:1.1;letter-spacing:-.028em}
.js .display--interior{animation:settle .6s var(--ease) both}
.close .display{font-size:var(--fs-h1);letter-spacing:-.028em;line-height:1.1}
@media (max-width:640px){.tile{padding:var(--s-6)}}

/* ---------- Forms ---------- */
.form{display:grid;gap:var(--s-4)}
.field label{display:block;font-family:var(--font-body);font-weight:600;font-size:.875rem;line-height:1.25;color:var(--navy);margin-bottom:var(--s-2)}
.input,.select,.textarea{width:100%;font:inherit;font-size:1rem;color:var(--text);background:var(--paper);border:1px solid var(--line-input);border-radius:var(--r-input);padding:12px 16px;min-height:50px}
.textarea{min-height:120px;resize:vertical}
.input:focus,.select:focus,.textarea:focus{outline:2px solid var(--peacock);outline-offset:1px;border-color:var(--peacock)}
.field.is-invalid .input,.field.is-invalid .select,.field.is-invalid .textarea{border-color:var(--error)}
.field-error{display:none;align-items:center;gap:6px;color:var(--error);font-size:var(--fs-small);margin-top:var(--s-2)}
.field-error svg{width:16px;height:16px}
.field.is-invalid .field-error{display:flex}
.form-note{font-size:var(--fs-small);color:var(--text-muted)}
.scheduler{background:var(--paper);border-radius:var(--r-card);min-height:560px;display:grid;place-items:center;color:var(--text-muted);padding:var(--s-6);text-align:center}

/* ---------- Close band ---------- */
.close{text-align:center;padding-bottom:var(--s-24)}
.close .display{max-width:22ch;margin-inline:auto}
.close .lede{margin:var(--s-6) auto var(--s-12);max-width:44ch}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy-deep);color:var(--on-dark-muted);padding-block:var(--s-16);border-top:1px solid var(--line-on-dark);font-size:var(--fs-small);line-height:var(--lh-small)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1.4fr 1fr 1.2fr;gap:var(--s-12)}
.footer-brand img{height:30px;width:auto;margin-bottom:var(--s-4)}
.footer-brand p{max-width:34ch}
.site-footer .h4{font-family:var(--font-body);font-weight:600;font-size:.875rem;line-height:1.25;letter-spacing:0;color:var(--on-dark);margin:0 0 var(--s-4)}
.site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.site-footer a{color:var(--on-dark-muted)}
.site-footer li a{display:inline-block;padding-block:3px}
.footer-bottom a{display:inline-flex;align-items:center;min-height:24px;min-width:24px}
.site-footer a:hover{color:var(--on-dark)}
.footer-bottom{margin-top:var(--s-12);padding-top:var(--s-6);border-top:1px solid var(--line-on-dark);display:flex;flex-wrap:wrap;justify-content:space-between;gap:var(--s-4);align-items:center}
.footer-bottom nav{display:flex;gap:var(--s-4);align-items:center}
.footer-bottom svg{width:18px;height:18px;fill:currentColor}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.footer-grid{grid-template-columns:1fr;gap:var(--s-8)}}

/* ---------- Placeholders (unapproved facts stay visible) ---------- */
.ph{text-decoration:underline dotted var(--line-strong);text-underline-offset:4px;text-decoration-thickness:1.5px;cursor:help;white-space:nowrap}
.ph-tag{display:inline;box-decoration-break:clone;-webkit-box-decoration-break:clone;font-size:var(--fs-small);color:var(--text-muted);border:1px dashed var(--line-strong);border-radius:6px;padding:1px 8px}
.site-footer .ph-tag{color:var(--on-dark-muted);border-color:var(--line-on-dark)}
.stat-num .ph,.display .ph,h1 .ph,h2 .ph,.blues-count .ph{text-decoration:none}
.ph-block{border:1px dashed var(--line-strong);border-radius:12px;padding:var(--s-3) var(--s-4);color:var(--text-muted);font-size:var(--fs-small);margin:var(--s-4) 0}

/* ---------- Small components ---------- */
.plain-list{list-style:none;margin:0;padding:0;display:grid;gap:var(--s-2)}
.plain-list.two-col{grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--s-3) var(--s-8);max-width:640px}
@media (max-width:640px){.plain-list.two-col{grid-template-columns:minmax(0,1fr)}}
.handoff{margin-top:var(--s-6);padding:var(--s-4) var(--s-6);border-left:2px solid var(--line-strong);font-size:.8125rem;line-height:1.55}
.handoff .rs-key{color:var(--text-muted)} .handoff .rs-val.v{color:var(--violet)}
.dd-overview{border-bottom:1px solid var(--line);margin-bottom:var(--s-2);padding-bottom:var(--s-3)!important;border-radius:10px 10px 0 0!important}
.resolve-wrap{position:relative}
.resolve-note{color:var(--text-muted);margin-top:var(--s-4);max-width:52ch}
.on-dark .resolve-note{color:var(--on-dark-muted)}
.others .h4{margin:0;font-family:var(--font-display);font-weight:700;font-size:var(--fs-h3);line-height:1.25;letter-spacing:-.01em;color:var(--navy)}
.resolve-replay-wrap{position:absolute;top:var(--s-6);right:var(--s-6);z-index:2}
@media (max-width:400px){.resolve-replay-wrap{top:var(--s-4);right:var(--s-4)}}

/* ---------- Touch targets ---------- */
@media (pointer:coarse){
  .link{padding-block:8px;margin-block:-8px}
  .resolve-replay{min-height:44px;padding:10px 14px}
  .footer-bottom a{min-height:44px}
  .footer-brand p a{display:inline-block;padding-block:12px;margin-block:-12px}
  .brand{display:inline-flex;align-items:center;min-height:44px}
  .site-footer ul{gap:0}
  .site-footer li a{display:inline-flex;align-items:center;min-height:44px;padding-block:0}
  .switch{width:108px;height:44px}
  .switch-knob{width:34px;height:34px}
  .switch[aria-checked="true"] .switch-knob{transform:translateX(64px)}
}

/* ---------- Mobile rhythm and legibility (audit of 5 Sept) ---------- */
.evidence{font-size:var(--fs-small);color:var(--text-muted);border-left:2px solid var(--peacock);padding-left:var(--s-4);margin-top:var(--s-6)}
.resolve-head{padding-right:96px}
@media (max-width:400px){.resolve .rs-row,.resolve .rs-out--key,.handoff .rs-row{grid-template-columns:13ch minmax(0,1fr)}}
@media (max-width:640px){
  .narrative{padding-block:40px}
  .chapter-head{margin-bottom:var(--s-6)}
  .hero + .chapter{padding-bottom:var(--s-16)}
  .pathways{gap:var(--s-8)}
  .orch{margin-top:var(--s-8)}
  .close{padding-bottom:var(--s-16)}
  .close .lede{margin-bottom:var(--s-8)}
  .site-footer{padding-block:var(--s-12)}
  .footer-grid{gap:var(--s-6)}
  .footer-bottom{margin-top:var(--s-8)}
  .chapter-head--center{text-align:left;margin-inline:0}
  .chapter-head--center .lede{margin-inline:0}
  .chapter-head--center .btn-row{justify-content:flex-start!important}
  .hero .btn-row .btn--primary,.chapter--tint .btn-row .btn--primary,.form .btn{width:100%;justify-content:center}
  .btn--secondary{padding:14px 24px;border-color:currentColor}
  .scheduler{min-height:280px}
  .resolve{font-size:.875rem}.rec{font-size:.8125rem}.flag-body,.handoff{font-size:.875rem}
  :root{--fs-stat:2.5rem}.factcell .stat-num{font-size:2rem}
  .proof-card,.tile{padding:var(--s-6)}
  .orch-mobile p{font-size:.9375rem}
  .layer svg.layer--narrow{max-width:360px}
}
@media (min-width:360px) and (max-width:640px){.footer-grid{grid-template-columns:1fr 1fr}.footer-brand,.footer-grid>div:last-child{grid-column:1/-1}}
@media (max-width:340px){.display{font-size:2rem}}
@media (max-width:900px){.site-header::before{background:rgba(255,255,255,.97)}}
/* Under 480px the logo, the compact button and the hamburger do not fit on one row; the sheet carries the button */
@media (max-width:479px){.header-cta{display:none}.nav-toggle{margin-left:auto}}
@media (hover:none){.nav-item>.nav-link:hover,.nav-link:not(.nav-item .nav-link):hover,.nav-item:hover{background:none}}
body:has(.subnav) .site-header.is-scrolled{border-bottom-color:transparent}

/* ---------- C11 set (FINAL-COPY-B part d) ---------- */
/* C11-07: interior hero spacing on phones (interior_hero(), the About hero and the Contact hero carry .chapter--hero) */
@media (max-width:640px){.chapter--hero{padding-bottom:var(--s-12)}.chapter--hero + .chapter{padding-top:var(--s-12)}}
/* C11-03 safety net for every interior display headline */
.display--interior{text-wrap:balance}
/* C11-09: compact footer on utility pages renders the brand block and the bottom bar only */
.footer-grid--compact{grid-template-columns:minmax(0,1fr)}
.footer-brand p a{color:var(--on-dark)}
/* C11-12: preview-period safety net so any remaining inline placeholder wraps as one box */
@media (max-width:640px){.ph-tag{display:inline-block}}
/* Contact without a scheduling URL: one column, the form at reading width */
.grid-1{grid-template-columns:minmax(0,1fr);max-width:640px}
/* C11-05: the scheduling embed, when it ships; the popup button replaces the iframe under 900px */
.scheduler-pop{display:none}
@media (max-width:640px){.scheduler{min-height:660px}}
@media (max-width:900px){.scheduler{display:none}.scheduler-pop{display:inline-flex;width:100%;justify-content:center}}

/* ---------- Utilities ---------- */
.nobr{white-space:nowrap}
.mt-2{margin-top:var(--s-2)}.mt-4{margin-top:var(--s-4)}.mt-6{margin-top:var(--s-6)}.mt-8{margin-top:var(--s-8)}.mt-12{margin-top:var(--s-12)}
.mb-4{margin-bottom:var(--s-4)}.mb-8{margin-bottom:var(--s-8)}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.cv-auto{content-visibility:auto;contain-intrinsic-size:auto 600px}

/* ---------- Motion preferences ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-delay:0s!important;transition-duration:.001ms!important;transition-delay:0s!important}
  .reveal-lines .line>span{opacity:1;filter:none}
  .resolve .rs-input .rs-val{max-width:100%;border-right:0}
  .resolve .rs-chip{background:var(--rs-accent);color:var(--rs-bg);border-color:var(--rs-accent)}
  .resolve .rs-out,.resolve .rs-foot{opacity:1;filter:none}
  .orch .rail-draw{stroke-dashoffset:0}.orch .node-core{opacity:1;transform:none}.orch .node-icon{stroke:#fff}.orch .node-icon path,.orch .node-icon circle{stroke-dashoffset:0}.orch .node-ring{stroke:var(--peacock)}.orch .record,.orch .record-glow{display:none}
  .blues span{background:var(--peacock);color:#fff}
  .layer .lay,.orch .lbl,.orch .sub,.stats .stat-num,.reveal,.rec,.meet-chip,.rec .rs-val s,.rec .rs-val b,.rec .rs-out--key{opacity:1!important;filter:none!important;transform:none!important}
  .meet-line{transform:none!important}.principle svg *{stroke-dashoffset:0!important}
  .rs-grow{opacity:1;filter:none}
}
@media print{.site-header,.site-footer,.subnav,.follow,.resolve-replay,.hero-media,.hero-fade,.btn{display:none}.hero,.chapter--navy,.chapter--peacock,.close{background:none!important;color:var(--text)}.on-dark h1,.on-dark h2,.on-dark h3,.on-dark p,.on-dark .lede,.on-dark .eyebrow,.on-dark .stat-num{color:var(--navy)!important}.reveal,.stat-num,.rs-out,.rs-foot,.rs-grow,.orch .lbl,.orch .sub,.layer .lay,.rec,.meet-chip{opacity:1!important;filter:none!important;transform:none!important}.resolve--dark{--rs-bg:#fff;--rs-fg:var(--text);--rs-muted:var(--text-muted);--rs-line:var(--line);border-color:var(--line)}.chapter{padding-block:var(--s-8);break-inside:avoid}}

/* ---------- 13 Sep refinements ---------- */
.display em{font-style:normal;font-weight:700;letter-spacing:-.032em;color:rgba(232,239,244,.55)}
.orch.orch--home{margin-top:var(--s-12);max-width:1100px;margin-inline:auto}
.chapter--tight .split--narrative{align-items:center}
#funding .flagbox{margin-bottom:var(--s-8);max-width:none}
@media (prefers-reduced-motion:no-preference){
  @view-transition{navigation:auto}
  ::view-transition-old(root),::view-transition-new(root){animation-duration:.28s}
  .site-header{view-transition-name:site-header}
}
.card,.proof-card,.pathway,.resolve,.flagbox,.dropdown{corner-shape:squircle}
.follow{display:none}

/* ---------- 16 Sep: Who we serve and Case studies ---------- */
.who-hero{padding-bottom:var(--s-24)}
.who-hero-grid{max-width:60ch}
.doors{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--s-6);margin-top:var(--s-16)}
.door{display:flex;flex-direction:column;gap:var(--s-6);background:var(--navy-deep);border:1px solid var(--line-on-dark);border-radius:var(--r-card);corner-shape:squircle;padding:var(--s-8);color:var(--on-dark);text-decoration:none;transition:border-color .2s var(--ease),transform .25s var(--ease)}
.door:hover,.door:focus-visible{border-color:rgba(127,212,240,.6);text-decoration:none;transform:translateY(-2px)}
.door:focus-visible{outline:2px solid var(--cyan-tint);outline-offset:3px}
.door-head{display:flex;flex-direction:column;gap:var(--s-1)}
.door-title{font-family:var(--font-display);font-weight:600;font-size:1.25rem;line-height:1.25;color:var(--on-dark)}
.door-sub{font-size:.9375rem;color:var(--on-dark-muted)}
.door-go{font-family:var(--font-display);font-weight:700;font-size:.9375rem;color:var(--cyan-tint);margin-top:auto}
.door .seat-ins{flex:1}
.seat-ins{--si-line:var(--line-on-dark);--si-fg:var(--on-dark);--si-muted:var(--on-dark-muted);--si-track:rgba(247,249,250,.12)}
.narrative--seat>div:first-child .seat-ins{--si-line:var(--line);--si-fg:var(--text);--si-muted:var(--text-muted);--si-track:var(--paper-tint);margin-top:var(--s-8);max-width:360px}
.seat-ins .si-rows{border-top:1px solid var(--si-line);border-bottom:1px solid var(--si-line);padding:var(--s-3) 0}
.seat-ins .rs-row{display:grid;grid-template-columns:9ch minmax(0,1fr);gap:var(--s-3);font-size:.8125rem;line-height:1.9;color:var(--si-fg)}
.seat-ins .rs-key{color:var(--si-muted)}
.seat-ins s{color:var(--si-muted);text-decoration-thickness:1px}
.si-ok{color:var(--cyan-tint)}
.narrative--seat .si-ok{color:var(--peacock);font-weight:600}
.si-cap{font-size:.8125rem;line-height:1.5;color:var(--si-muted);margin:var(--s-3) 0 0}
.si-bar{display:flex;height:34px;border-radius:6px;overflow:hidden;border:1px solid var(--si-line);font-family:var(--font-display);font-weight:700;font-size:.75rem}
.si-seg{display:flex;align-items:center;padding:0 var(--s-3);white-space:nowrap;overflow:hidden}
.si-seg--vendor{flex:0 0 66%;background:var(--si-track);color:var(--si-muted)}
.si-seg--us{flex:1;background:var(--peacock);color:#fff;justify-content:center}
.door .si-seg--us{background:var(--cyan-tint);color:var(--navy-deep)}
.si-nest{position:relative;border:1.5px solid var(--si-line);border-radius:10px;padding:var(--s-8) var(--s-4) var(--s-4);display:flex;flex-direction:column;gap:var(--s-2)}
.si-outer{position:absolute;top:8px;left:12px;font-family:var(--font-display);font-weight:700;font-size:.75rem;color:var(--si-muted)}
.si-inner{display:inline-block;align-self:flex-start;background:var(--peacock);color:#fff;border-radius:6px;padding:6px 10px;font-size:.8125rem}
.door .si-inner{background:var(--cyan-tint);color:var(--navy-deep)}
.si-brand{font-size:.8125rem;color:var(--si-muted)}
@media (max-width:900px){.doors{grid-template-columns:1fr;gap:var(--s-4);margin-top:var(--s-12)}.narrative--seat>div:first-child .seat-ins{display:none}}
/* case specimens */
.case-spec{margin-top:var(--s-8);max-width:400px}
.case-spec .resolve{box-shadow:var(--shadow-rest)}
.case-spec .rs-foot{display:none}
.rbar{height:10px;border-radius:5px;background:var(--paper-tint);border:1px solid var(--line);overflow:hidden;margin:var(--s-3) 0 var(--s-2);max-width:420px}
.rbar-fill{display:block;height:100%;width:var(--p);background:var(--peacock);border-radius:5px;transition:width 1.2s var(--ease)}
.js .rbar:not(.in-view) .rbar-fill{width:0}
@media (max-width:900px){.case-spec{display:none}}
.narrative--seat h2,.narrative--case h2{position:static}
@media (min-width:1025px){.narrative--seat>div:first-child,.narrative--case>div:first-child{position:sticky;top:calc(var(--header-h) + var(--s-8))}}
.doors{margin-top:var(--s-24)}
.case-spec .resolve[data-variant="status"] .rs-payers{display:none}

/* Films: the 25-second hero loop and the two-minute story on the Platform page. The frame takes the Resolve's
   radius and the one floating shadow, with the hairline that actually defines it on navy. */
.hero-film{position:relative;aspect-ratio:16/9;max-width:100%;border-radius:var(--r-object);corner-shape:squircle;overflow:hidden;background:var(--navy);border:1px solid var(--line-on-dark);box-shadow:var(--shadow-float)}
.hero-film video{display:block;width:100%;height:100%;object-fit:cover}
.film{max-width:960px;margin:var(--s-12) auto 0;border-radius:var(--r-object);corner-shape:squircle;overflow:hidden;background:var(--navy);border:1px solid var(--line-on-dark);box-shadow:var(--shadow-float)}
.film video{display:block;width:100%;height:auto;aspect-ratio:16/9}
.film-toggle{position:absolute;right:12px;bottom:12px;z-index:2;min-width:44px;min-height:44px;padding:0 16px;font:600 .8125rem/1 var(--font-body);color:var(--navy);background:rgba(247,249,250,.86);border:1px solid rgba(247,249,250,.4);border-radius:var(--r-btn);cursor:pointer;transition:background .16s var(--ease)}
.film-toggle:hover{background:var(--on-dark)}
.film-toggle:focus-visible{outline:2px solid var(--cyan-tint);outline-offset:2px;box-shadow:0 0 0 4px var(--navy-deep)}
.transcript{max-width:960px;margin:var(--s-6) auto 0}
.transcript summary{cursor:pointer;display:inline-block;font:600 .9375rem/1.5 var(--font-body);color:var(--cyan-tint);padding:var(--s-2) 0;border-bottom:1px solid transparent}
.transcript summary:hover{border-bottom-color:var(--cyan-tint)}
.transcript-body{max-width:68ch;margin-top:var(--s-4)}
.transcript-body p{color:var(--on-dark-muted)}
.next-steps p{margin-bottom:var(--s-3)}
/* The hero stacks at 1024 and below; the film sits centred under the headline at a reading width */
@media (max-width:1024px){.hero-grid{grid-template-columns:minmax(0,1fr);gap:var(--s-12)}.hero-film{max-width:720px;margin-inline:auto}}
/* Source footnote marker in the hero lede. */
.fn{font-size:.6em;line-height:0;vertical-align:super;margin-left:.15em}
.fn a{color:inherit;text-decoration:none;border-bottom:1px solid currentColor}

/* ---------- 14 Oct: Case studies rebuilt (one featured study, a filterable list of expandable studies) ---------- */
.cs-featured{display:grid;grid-template-columns:7fr 5fr;gap:var(--s-16);align-items:start}
.cs-featured>div:last-child{position:sticky;top:calc(var(--header-h) + var(--s-8))}
.cs-featured h2{max-width:20ch}
.cs-lede{margin-top:var(--s-6);max-width:58ch}
.cs-cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--s-8);margin-top:var(--s-8)}
.cs-cols h3,.cs-cols h4{font-size:var(--fs-eyebrow);line-height:1.25;letter-spacing:.01em;color:var(--peacock);margin-bottom:var(--s-3)}
.cs-cols p{font-size:var(--fs-small);line-height:var(--lh-small);margin:0}
.cs-cols p+p{margin-top:var(--s-3)}
/* the chart: before in the muted line colour, after in peacock, the side stat in cyan (display use only) */
.cs-chart{background:var(--paper);border-radius:var(--r-card);corner-shape:squircle;padding:var(--s-8);box-shadow:var(--shadow-rest)}
.chapter--paper .cs-chart{background:var(--paper-tint);box-shadow:none}
.cs-chart-head{font-family:var(--font-body);font-weight:600;font-size:.875rem;padding-bottom:var(--s-3);border-bottom:1px solid var(--line);margin-bottom:var(--s-6);display:flex;justify-content:space-between;gap:var(--s-3)}
.cs-chart-head small{font-weight:400;color:var(--text-muted)}
.cs-bars{display:grid;gap:var(--s-4)}
.cs-bar{display:grid;grid-template-columns:4.5rem minmax(0,1fr) max-content;gap:var(--s-3);align-items:center;font-size:var(--fs-small);color:var(--text-muted)}
.cs-bar-track{height:14px;border-radius:7px;background:var(--paper);border:1px solid var(--line);overflow:hidden}
.chapter--tint .cs-bar-track{background:var(--paper)}
.cs-bar-fill{display:block;height:100%;width:var(--p);border-radius:7px;background:var(--line-strong);transition:width 1.2s var(--ease)}
.cs-bar--after .cs-bar-fill{background:var(--peacock)}
.cs-bar-val{font-family:var(--font-mono);font-size:.8125rem;color:var(--text);min-width:3.5ch;text-align:right}
.js .cs-chart[data-inview]:not(.in-view) .cs-bar-fill{width:0}
.cs-side{display:flex;align-items:baseline;gap:var(--s-4);margin-top:var(--s-8);padding-top:var(--s-6);border-top:1px solid var(--line)}
.cs-side .stat-num{color:var(--cyan);font-size:clamp(2.25rem,1.8rem + 1.6vw,3rem)}
.cs-side .stat-label{margin-top:0;max-width:22ch}
.cs-side .stat-num .ph{text-decoration:none}
.cs-chart-note{font-size:var(--fs-small);color:var(--text-muted);margin:var(--s-4) 0 0}
/* who pays / situs */
.cs-explain{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--s-12)}
.cs-explain h3{margin-bottom:var(--s-3)}
.cs-explain p{max-width:52ch}
.cs-explain .mono{font-size:.9375rem;color:var(--peacock)}
/* filter chips */
.cs-filter{display:flex;flex-wrap:wrap;gap:var(--s-2);margin-top:var(--s-8)}
.cs-chip{appearance:none;font:600 .875rem/1 var(--font-body);letter-spacing:-.005em;color:var(--peacock);background:var(--paper);border:1px solid var(--line-strong);border-radius:var(--r-btn);padding:10px 16px;min-height:40px;cursor:pointer;transition:background .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease)}
.cs-chip:hover{background:var(--wash-blue)}
.cs-chip[aria-pressed="true"]{background:var(--navy);color:var(--on-dark);border-color:var(--navy)}
.cs-count{font-size:var(--fs-small);color:var(--text-muted);margin:var(--s-4) 0 0;min-height:1.5em}
/* the rows */
.cs-list{list-style:none;margin:var(--s-8) 0 0;padding:0;border-top:1px solid var(--line)}
.cs-row{border-bottom:1px solid var(--line)}
.cs-row[hidden]{display:none}
.cs-row summary{list-style:none;cursor:pointer;display:grid;grid-template-columns:minmax(9rem,2fr) minmax(0,7fr) minmax(0,3fr) 28px;gap:var(--s-6);align-items:center;padding:var(--s-6) var(--s-2);transition:background .16s var(--ease)}
.cs-row summary::-webkit-details-marker{display:none}
.cs-row summary:hover{background:var(--paper-tint)}
.chapter--tint .cs-row summary:hover{background:var(--paper)}
.cs-row summary:focus-visible{outline-offset:-2px}
.cs-lead{font-family:var(--font-display);font-weight:700;font-size:clamp(1.75rem,1.4rem + 1.2vw,2.25rem);line-height:1;letter-spacing:-.03em;color:var(--peacock);font-variant-numeric:tabular-nums lining-nums}
.cs-lead small{font-size:.45em;font-weight:400;letter-spacing:0;font-family:var(--font-body);color:var(--text-muted);margin-inline:.1em}
.cs-lead .ph{text-decoration:none}
.cs-lead-label{display:block;font-family:var(--font-body);font-weight:400;font-size:var(--fs-small);line-height:var(--lh-small);letter-spacing:0;color:var(--text-muted);margin-top:var(--s-1)}
.cs-title{margin:0;font-size:var(--fs-h3);line-height:1.25;letter-spacing:-.01em;color:var(--navy);text-wrap:balance}
.cs-cat{display:block;font-family:var(--font-display);font-weight:700;font-size:var(--fs-eyebrow);color:var(--peacock);letter-spacing:.01em;margin-bottom:var(--s-1)}
.cs-tags{display:flex;flex-wrap:wrap;gap:6px;justify-content:flex-end}
.cs-tag{font:600 .75rem/1 var(--font-body);color:var(--text-muted);background:var(--wash-peacock);border-radius:999px;padding:6px 10px;white-space:nowrap}
.cs-tag--v{background:rgba(110,48,168,.08);color:var(--violet)}
.cs-chev{width:28px;height:28px;border-radius:50%;border:1px solid var(--line-strong);display:inline-flex;align-items:center;justify-content:center;color:var(--navy);transition:transform .2s var(--ease),background .16s var(--ease)}
.cs-chev svg{width:14px;height:14px}
.cs-row[open] .cs-chev{transform:rotate(180deg);background:var(--navy);color:var(--on-dark);border-color:var(--navy)}
.cs-body{padding:0 var(--s-2) var(--s-12);max-width:1100px}
.cs-body .cs-cols{margin-top:var(--s-2)}
.cs-body .cs-cols p{font-size:var(--fs-body);line-height:var(--lh-body)}
.cs-facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--s-4) var(--s-6);margin:var(--s-8) 0 0;padding:var(--s-6) 0 0;border-top:1px solid var(--line)}
.cs-facts>div{min-width:0}
.cs-facts dt{font-size:var(--fs-small);line-height:var(--lh-small);color:var(--text-muted)}
.cs-facts dd{margin:var(--s-1) 0 0;font-family:var(--font-mono);font-size:.9375rem;line-height:1.5;color:var(--text);overflow-wrap:anywhere}
.cs-facts dd .ph{white-space:normal}
.cs-body .link{display:inline-block;margin-top:var(--s-6)}
@keyframes cs-open{from{opacity:0;filter:blur(6px)}to{opacity:1;filter:none}}
@media (prefers-reduced-motion:no-preference){.cs-row[open] .cs-body{animation:cs-open .35s var(--ease) both}}
.js .cs-chart .cs-bar-fill{animation:present-w .6s var(--ease) 2.5s forwards}
.cs-chart.in-view .cs-bar-fill{animation:none}
@media (max-width:1024px){
  .cs-featured{grid-template-columns:minmax(0,1fr);gap:var(--s-8)}
  .cs-featured>div:last-child{position:static;max-width:560px}
  .cs-row summary{grid-template-columns:minmax(8rem,1fr) minmax(0,4fr) 28px}
  .cs-tags{grid-column:2;justify-content:flex-start}
}
@media (max-width:900px){.cs-cols{grid-template-columns:minmax(0,1fr);gap:var(--s-6)}.cs-facts{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){
  .cs-explain{grid-template-columns:minmax(0,1fr);gap:var(--s-8)}
  .cs-row summary{grid-template-columns:minmax(0,1fr) 28px;gap:var(--s-3) var(--s-4);padding:var(--s-6) 0}
  .cs-row summary>*{grid-column:1}
  .cs-row summary .cs-chev{grid-column:2;grid-row:1}
  .cs-tags{grid-column:1}
  .cs-lead{font-size:1.75rem}
  .cs-body{padding-inline:0}
  .cs-featured h2{max-width:none}
  .cs-chart{padding:var(--s-6)}
  .cs-bar{grid-template-columns:3.75rem minmax(0,1fr) max-content}
}
@media (max-width:400px){.cs-facts{grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--s-4)}}
@media (prefers-reduced-motion:reduce){.cs-bar-fill,.js .cs-chart[data-inview]:not(.in-view) .cs-bar-fill{width:var(--p)}.cs-row[open] .cs-body{animation:none}.cs-chev{transition:none}}
@media print{.cs-row .cs-body{display:block}.cs-filter{display:none}}

/* Papers by Ken Poray (case studies page). */
.papers{list-style:none;padding:0;margin:0;display:grid;gap:var(--s-8)}
.paper{padding-bottom:var(--s-8);border-bottom:1px solid var(--line)}
.paper:last-child{border-bottom:0;padding-bottom:0}
.paper h3{margin-bottom:var(--s-2)}
.paper h3 a{text-decoration:none}
.paper h3 a:hover,.paper h3 a:focus-visible{text-decoration:underline;text-underline-offset:.15em}
.paper p{max-width:62ch}

/* Legal pages (privacy, terms): long-form prose at reading measure */
.legal-date{color:var(--ink-soft,inherit);opacity:.75;margin:0 0 var(--s-6)}
.legal{max-width:68ch}
.legal p,.legal li{line-height:1.6}
.legal p{margin:0 0 var(--s-4)}
.legal .legal-h{font-size:1.25rem;margin:var(--s-8) 0 var(--s-3)}
.legal ul,.legal ol{margin:0 0 var(--s-4);padding-left:1.4em}
.legal li{margin:0 0 var(--s-2)}
.legal-address{font-style:normal;margin:0 0 var(--s-4);line-height:1.6}