/* 01 Design tokens */
:root{--ink:#202832;--teal:#426A6B;--blue:#526986;--umber:#916953;--plum:#755E73;--sage:#707D69;--brass:#A2875C;--graphite:#383E43;--slate:#747D82;--mist:#E5E9E9;--blue-wash:#E3E7ED;--teal-wash:#E1E9E7;--umber-wash:#EEE3DC;--plum-wash:#EAE4E9;--sage-wash:#E6E9E2;--brass-wash:#F0E9DC;--paper:#F5F2EA;--clear:#FCFBF8;--white:#FFFFFF;--font-editorial:Georgia,Cambria,"Times New Roman",Times,serif;--font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;--font-mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono",monospace;--fs-sm:clamp(.75rem,.7rem + .18vw,.875rem);--fs-body:clamp(.96rem,.9rem + .18vw,1.08rem);--fs-h1:clamp(2.55rem,5.4vw,5.8rem);--fs-h2:clamp(2rem,3.4vw,3.65rem);--fs-h3:clamp(1.2rem,1.3vw,1.55rem);--space-xs:.5rem;--space-sm:1rem;--space-md:1.5rem;--space-lg:clamp(2rem,4vw,4rem);--space-xl:clamp(4.5rem,8vw,8rem);--container:1200px;--border:1px solid rgba(32,40,50,.2);--radius:3px;--shadow:0 18px 45px rgba(32,40,50,.08);--transition:220ms ease;--header-height:76px}
/* 02 Reset */
*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth}body,h1,h2,h3,p,ul,ol{margin:0}ul,ol{padding:0}img{display:block;max-width:100%}button,input{font:inherit}a{color:inherit}button{cursor:pointer}
/* 03 Base */
body{background:var(--paper);color:var(--graphite);font-family:var(--font-sans);font-size:var(--fs-body);line-height:1.65;overflow-x:hidden}main{display:block}section{scroll-margin-top:calc(var(--header-height) + 1rem)}::selection{background:var(--brass-wash);color:var(--ink)}
/* 04 Accessibility */
.skip-link{position:fixed;z-index:1000;top:.5rem;left:.5rem;transform:translateY(-150%);background:var(--white);color:var(--ink);padding:.7rem 1rem;border:2px solid var(--brass)}.skip-link:focus{transform:none}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.copy-helper{position:fixed;opacity:0;pointer-events:none}:focus-visible{outline:3px solid var(--brass);outline-offset:3px}
/* 05 Typography */
h1,h2,h3{color:var(--ink);font-family:var(--font-editorial);font-weight:400;line-height:1.08;text-wrap:balance}h1{font-size:var(--fs-h1);letter-spacing:-.045em}h2{font-size:var(--fs-h2);letter-spacing:-.03em}h3{font-size:var(--fs-h3)}.eyebrow,.category,.fold-code{font-family:var(--font-mono);font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--teal)}.eyebrow.light{color:#d7c8ab}
/* 06 Layout */
.container{width:min(calc(100% - 2.5rem),var(--container));margin-inline:auto}.section-pad{padding-block:var(--space-xl)}.section-intro{max-width:820px;margin-bottom:var(--space-lg)}.section-intro h2{margin-top:.7rem}.section-intro>p:last-child:not(.eyebrow){margin-top:1.25rem;max-width:760px}.button-row{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:2rem}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:.7rem 1.15rem;text-decoration:none;border:1px solid var(--ink);font-size:.88rem;font-weight:650}.button-primary{background:var(--ink);color:var(--white)}.button-secondary{background:transparent}.button:hover{transform:translateY(-2px)}
/* 07 Header */
.site-header{position:sticky;z-index:100;top:0;height:var(--header-height);background:rgba(252,251,248,.96);border-bottom:1px solid var(--mist)}.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:1rem}.brand{flex:0 0 235px}.primary-nav{display:flex;align-items:center;gap:clamp(.6rem,1.1vw,1.15rem);font-size:.76rem}.primary-nav a{text-decoration:none;white-space:nowrap}.primary-nav a:hover{color:var(--teal)}.nav-cta{padding:.5rem .7rem;border:1px solid var(--ink)}.menu-toggle{display:none;background:transparent;border:0;padding:.5rem}.menu-toggle span{display:block;width:24px;height:2px;margin:5px;background:var(--ink)}
/* 08 Hero */
.hero{min-height:calc(100vh - var(--header-height));display:grid;align-items:center;background:var(--clear)}.hero-grid{display:grid;grid-template-columns:53fr 47fr;gap:clamp(2rem,5vw,5rem);align-items:center}.hero h1{margin:.8rem 0 1.4rem}.hero h1 em{color:var(--blue);font-style:normal}.hero-lede{max-width:660px;font-size:clamp(1.05rem,1.4vw,1.25rem)}.micro-status{display:flex;align-items:flex-start;gap:.65rem;margin-top:2rem;font-family:var(--font-mono);font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:var(--slate)}.micro-status span{width:9px;height:9px;margin-top:.35rem;background:var(--brass)}.hero-visual{position:relative;min-height:590px}.visual-caption{position:absolute;right:0;bottom:0;width:76%;font-size:.82rem;color:var(--slate);border-top:1px solid var(--brass);padding-top:1rem}
/* 09 Charter Folds */
.fold{position:absolute;background:var(--blue-wash);border:1px solid var(--blue);padding:2rem}.fold::before{content:"";position:absolute;right:-1px;top:-1px;width:34px;height:34px;background:var(--clear);border-left:1px solid var(--blue);border-bottom:1px solid var(--blue)}.fold::after{content:"";position:absolute;left:2rem;bottom:1.2rem;width:60px;border-top:2px solid var(--brass)}.fold-dominant{inset:3rem 2rem 12rem 0}.fold-dominant h2{margin-top:6rem;font-size:clamp(2rem,4vw,4rem)}.fold-dominant p{margin-top:.8rem}.review-point{position:absolute;right:3rem;bottom:3rem;width:18px;height:18px;border:2px solid var(--brass);border-radius:50%}.owner-marker{position:absolute;right:1.6rem;bottom:1.4rem;width:9px;height:9px;background:var(--brass)}.fold-small{width:47%;min-height:120px;padding:1.1rem;box-shadow:var(--shadow)}.fold-small strong,.fold-small small{display:block}.fold-small small{margin-top:.8rem;font-size:.68rem}.fold-capital{right:0;top:0;background:var(--umber-wash);border-color:var(--umber)}.fold-governance{right:0;top:9.5rem;background:var(--plum-wash);border-color:var(--plum)}.fold-learning{left:2rem;bottom:6.5rem;background:var(--sage-wash);border-color:var(--sage)}
/* 10 Assurance Tabs */
.assurance-tab{display:block;position:relative;width:55px;height:14px;margin-bottom:1rem;background:var(--brass-wash);border:1px solid var(--brass)}.assurance-tab::before{content:"";position:absolute;right:-16px;top:5px;width:5px;height:5px;border:1px solid var(--brass);border-radius:50%}.assurance-tab::after{content:"";position:absolute;left:10px;bottom:-8px;width:1px;height:8px;background:var(--brass)}
/* 11 Executive Charter Strip */
.charter-strip{background:var(--ink);color:var(--mist);padding-block:clamp(3rem,6vw,5rem)}.charter-strip h2{color:var(--white);font-size:clamp(1.55rem,2.7vw,2.7rem);max-width:1000px;margin-top:.8rem}.strip-statements{display:grid;grid-template-columns:repeat(4,1fr);margin-top:3rem;border-top:1px solid #4d555e}.strip-statements p{padding:1.25rem;border-right:1px solid #4d555e}.strip-statements b{display:block;color:var(--brass);font-family:var(--font-mono);font-size:.72rem;margin-bottom:.5rem}
/* 12 Decision Domains */
.domain-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--ink)}.domain{position:relative;padding:2rem 1.4rem;border-right:var(--border);border-bottom:var(--border)}.domain:nth-child(even){margin-top:2.5rem}.domain::before{content:"";position:absolute;top:-1px;right:-1px;width:25px;height:25px;background:var(--paper);border-left:var(--border);border-bottom:var(--border)}.domain h3{margin:2.2rem 0 1.2rem}.domain ul{display:flex;flex-wrap:wrap;gap:.4rem;list-style:none;margin:1.5rem 0}.domain li{padding:.25rem .5rem;background:rgba(255,255,255,.5);font-size:.72rem}.boundary{padding-top:1rem;border-top:1px solid currentColor;font-size:.78rem}.boundary b{display:block;font-family:var(--font-mono);font-size:.66rem;text-transform:uppercase;letter-spacing:.1em}.domain-blue{background:var(--blue-wash)}.domain-umber{background:var(--umber-wash)}.domain-plum{background:var(--plum-wash)}.domain-sage{background:var(--sage-wash)}
/* 13 Critical Interfaces */
.interfaces{background:var(--clear)}.interface-list{border-top:2px solid var(--ink)}.interface{display:grid;grid-template-columns:1fr 1.7fr;gap:3rem;padding:2.4rem 0;border-bottom:var(--border)}.interface:nth-child(2){margin-left:7%}.interface:nth-child(3){margin-left:14%}.interface h3{margin-top:.5rem;font-size:clamp(1.5rem,2.5vw,2.5rem)}.question{font-family:var(--font-editorial);font-size:1.25rem;color:var(--ink)}.consider{margin:1rem 0;padding-left:1rem;border-left:3px solid var(--brass);font-size:.85rem}.consider b{font-family:var(--font-mono);text-transform:uppercase;font-size:.7rem}
/* 14 Assurance Pass */
.assurance{background:var(--mist)}.assurance-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:1rem;list-style:none}.assurance-grid li{position:relative;background:var(--clear);border-left:3px solid var(--brass);padding:1.4rem;min-height:210px}.assurance-grid li:nth-child(1),.assurance-grid li:nth-child(4){grid-column:span 4}.assurance-grid li:nth-child(2),.assurance-grid li:nth-child(3),.assurance-grid li:nth-child(5),.assurance-grid li:nth-child(6){grid-column:span 4}.assurance-grid li:nth-child(7){grid-column:5/span 4}.assurance-grid li::after{content:"";position:absolute;right:-9px;top:23px;width:16px;height:16px;border:2px solid var(--brass);border-radius:50%;background:var(--mist)}.assurance-grid b{font-family:var(--font-mono);color:var(--brass)}.assurance-grid h3{margin:2rem 0 .7rem;text-transform:uppercase;font-family:var(--font-sans);font-size:.9rem;letter-spacing:.08em}
/* 15 Professional Checklist */
.checklist{display:grid;grid-template-columns:.75fr 1.5fr;gap:3rem;margin-top:4rem;padding:clamp(2rem,4vw,4rem);background:var(--ink);color:var(--mist)}.checklist h2{color:var(--white);margin:.7rem 0 1rem}.checklist ul{display:grid;grid-template-columns:1fr 1fr;gap:.6rem 2rem;list-style:none;counter-reset:item}.checklist li{position:relative;padding:.5rem 0 .5rem 2rem;border-bottom:1px solid #4d555e}.checklist li::before{counter-increment:item;content:counter(item,decimal-leading-zero);position:absolute;left:0;color:var(--brass);font-family:var(--font-mono);font-size:.7rem}
/* 16 Reference Profiles */
.profiles{background:var(--clear)}.profile-preface{margin-top:2rem;padding:1.5rem;border-left:3px solid var(--brass);background:var(--brass-wash);font-size:.84rem}.profile-preface p+p{margin-top:.7rem}.profile-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem}.profile{position:relative;padding:1.6rem;border:var(--border);background:var(--paper);min-width:0}.profile:nth-child(2),.profile:nth-child(5){transform:translateY(1.4rem)}.profile::after{content:"";position:absolute;right:-1px;top:-1px;width:26px;height:26px;background:var(--clear);border-left:var(--border);border-bottom:var(--border)}.profile-head{display:flex;gap:1rem;align-items:flex-start;padding-bottom:1.25rem;border-bottom:var(--border)}.avatar{flex:0 0 50px;height:50px;display:grid;place-items:center;background:var(--ink);color:var(--white);font-family:var(--font-editorial);font-size:1.25rem}.profile h3{font-size:1.5rem;margin:.25rem 0}.profile-head p{font-size:.75rem;color:var(--slate)}.profile>p{margin-top:1.1rem;font-size:.86rem}.status{padding:.8rem;background:rgba(255,255,255,.55)}.themes{border-top:var(--border);padding-top:1rem}.themes b{display:block;font-family:var(--font-mono);font-size:.68rem;text-transform:uppercase}.p-blue{border-top:4px solid var(--blue)}.p-umber{border-top:4px solid var(--umber)}.p-teal{border-top:4px solid var(--teal)}.p-plum{border-top:4px solid var(--plum)}.p-sage{border-top:4px solid var(--sage)}.contact{margin-top:1.25rem;padding-top:1rem;border-top:1px solid var(--brass)}.contact span,.reference-label{display:block;font-family:var(--font-mono);font-size:.68rem;text-transform:uppercase;letter-spacing:.1em;color:var(--teal)}.contact a{display:block;margin:.5rem 0;overflow-wrap:anywhere}.copy-email{border:1px solid var(--ink);background:transparent;padding:.4rem .7rem;font-size:.75rem}.contact small{display:block;margin-top:.8rem;line-height:1.45;color:var(--slate)}.reference-label{margin-top:1.5rem;padding:.8rem;background:var(--brass-wash)}
/* 17 Independence Note */
.independence{position:relative;margin-top:5rem;padding:clamp(2rem,4vw,4rem);border:1px solid var(--brass);background:var(--brass-wash);column-count:2;column-gap:3rem}.independence h2,.independence .eyebrow,.independence .assurance-tab{column-span:all}.independence h2{margin:.7rem 0 2rem}.independence p:not(.eyebrow)+p{margin-top:1rem}
/* 18 Enterprise Decision Notes */
.notes{background:var(--paper)}.notes-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.note{background:var(--clear);border:var(--border)}.note[hidden]{display:none}.note details{height:100%}.note summary{display:flex;justify-content:space-between;gap:1rem;padding:1.5rem;cursor:pointer;color:var(--ink);font-family:var(--font-editorial);font-size:1.18rem;line-height:1.3;list-style:none}.note summary::-webkit-details-marker{display:none}.note summary small{display:block;margin-bottom:.8rem;color:var(--teal);font-family:var(--font-mono);font-size:.66rem;text-transform:uppercase;letter-spacing:.1em}.note summary i{flex:0 0 22px;height:22px;position:relative;border:1px solid var(--brass);border-radius:50%}.note summary i::before,.note summary i::after{content:"";position:absolute;inset:10px 5px;border-top:1px solid var(--ink)}.note summary i::after{transform:rotate(90deg)}.note details[open] summary i::after{display:none}.note details>div{padding:0 1.5rem 1.5rem}.note-summary{font-weight:650;margin-bottom:.8rem}.tags{margin-top:1rem;color:var(--teal);font-family:var(--font-mono);font-size:.72rem}.no-results{padding:3rem;text-align:center;border:1px solid var(--brass);background:var(--brass-wash)}
/* 19 Search */
.search-panel{display:grid;grid-template-columns:1fr auto;gap:.6rem 1rem;align-items:end;margin-bottom:2rem;padding:1.5rem;background:var(--ink);color:var(--white)}.search-panel label{grid-column:1/-1;font-family:var(--font-mono);font-size:.75rem;text-transform:uppercase;letter-spacing:.1em}.search-row{display:flex}.search-row input{width:100%;min-width:0;padding:.9rem;border:0;background:var(--white);color:var(--ink)}.search-row button{border:0;border-left:1px solid var(--mist);background:var(--brass-wash);padding:.7rem 1rem;white-space:nowrap}.search-panel>p{font-family:var(--font-mono);font-size:.8rem}
/* 20 About */
.about{background:var(--clear)}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,7vw,7rem)}.about-copy{padding-top:3rem;border-top:2px solid var(--ink)}.about-copy p+p{margin-top:1.2rem}
/* 21 Principles */
.principles{padding-top:0;background:var(--clear)}.principles-grid{display:grid;grid-template-columns:repeat(4,1fr);margin-top:1rem;border-top:1px solid var(--ink)}.principles article{padding:2rem 1.2rem;border-right:var(--border)}.principles b{font-family:var(--font-mono);color:var(--brass)}.principles h3{margin:3rem 0 1rem}
/* 22 Final CTA */
.final-cta{background:var(--teal);color:var(--white)}.cta-grid{display:grid;grid-template-columns:1fr 1.2fr;align-items:center;gap:clamp(3rem,7vw,7rem)}.final-cta h2{color:var(--white);margin:.7rem 0 1.3rem}.button-light{background:var(--white);color:var(--ink);border-color:var(--white)}.button-outline{border-color:var(--white);color:var(--white)}.cta-visual{display:grid;grid-template-columns:1fr 1fr;gap:1rem;position:relative}.cta-visual span{position:relative;padding:2rem 1rem;border:1px solid #a3b8b5;text-align:center;font-family:var(--font-mono);font-size:.73rem;text-transform:uppercase}.cta-visual span::after{content:"";position:absolute;width:9px;height:9px;background:var(--brass);right:8px;bottom:8px}.cta-visual strong{position:absolute;z-index:2;inset:50% auto auto 50%;transform:translate(-50%,-50%);padding:1rem;background:var(--ink);font-family:var(--font-editorial);font-weight:400}
/* 23 Footer */
.site-footer{background:var(--ink);color:var(--mist);padding:3rem 0 1.5rem}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:3rem}.footer-brand{display:flex;gap:1rem}.footer-brand strong{font-family:var(--font-editorial);font-size:1.4rem;color:var(--white)}.footer-brand p{font-size:.85rem}.footer-brand small{color:#aeb5b8}.site-footer nav{display:grid;grid-template-columns:1fr 1fr;gap:.5rem}.site-footer a{text-decoration:none;font-size:.83rem}.footer-bottom{grid-column:1/-1;display:flex;justify-content:space-between;padding-top:1.5rem;border-top:1px solid #4d555e;font-size:.78rem}.back-to-top{position:fixed;z-index:50;right:1rem;bottom:1rem;opacity:0;pointer-events:none;transform:translateY(10px);padding:.65rem .85rem;border:1px solid var(--brass);background:var(--ink);color:var(--white);transition:var(--transition)}.back-to-top.is-visible{opacity:1;pointer-events:auto;transform:none}
/* 24 Reveal */
.js-enabled .reveal{opacity:0;transform:translateY(18px);transition:opacity 600ms ease,transform 600ms ease}.js-enabled .reveal.is-visible{opacity:1;transform:none}
/* 25 Responsive */
@media(max-width:1100px){.menu-toggle{display:block}.primary-nav{display:none;position:absolute;top:var(--header-height);left:0;right:0;max-height:calc(100vh - var(--header-height));overflow:auto;flex-direction:column;align-items:stretch;padding:1rem 1.25rem 1.5rem;background:var(--clear);border-bottom:1px solid var(--ink)}.primary-nav.is-open{display:flex}.primary-nav a{padding:.55rem 0}.nav-cta{text-align:center}.hero-grid{grid-template-columns:1fr 1fr}.domain-grid{grid-template-columns:1fr 1fr}.profile-grid{grid-template-columns:1fr 1fr}.notes-grid{grid-template-columns:1fr 1fr}.principles-grid{grid-template-columns:1fr 1fr}.assurance-grid li:nth-child(n){grid-column:span 6}.assurance-grid li:nth-child(7){grid-column:4/span 6}}
@media(max-width:760px){:root{--header-height:68px}.container{width:min(calc(100% - 1.5rem),var(--container))}.brand{flex-basis:205px}.hero{min-height:auto}.hero-grid,.about-grid,.cta-grid{grid-template-columns:1fr}.hero-visual{min-height:520px}.fold-dominant{inset:3rem 1rem 11rem 0}.fold-small{width:49%}.visual-caption{width:88%}.strip-statements,.domain-grid,.profile-grid,.notes-grid,.principles-grid{grid-template-columns:1fr}.strip-statements p{border-right:0;border-bottom:1px solid #4d555e}.domain:nth-child(even),.profile:nth-child(2),.profile:nth-child(5){margin-top:0;transform:none}.interface,.checklist{grid-template-columns:1fr}.interface:nth-child(n){margin-left:0}.assurance-grid{grid-template-columns:1fr}.assurance-grid li:nth-child(n){grid-column:auto}.checklist ul{grid-template-columns:1fr}.independence{column-count:1}.search-panel{grid-template-columns:1fr}.search-row{flex-direction:column}.search-row button{border-left:0;border-top:1px solid var(--mist)}.cta-visual{order:2}.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column;gap:.7rem}.back-to-top{bottom:.5rem;right:.5rem}.principles article{border-right:0;border-bottom:var(--border)}}
@media(max-width:400px){.hero-visual{min-height:570px}.fold-small{width:58%}.fold-learning{left:0}.visual-caption{width:100%}.button{width:100%}.profile{padding:1.1rem}.profile-head{flex-direction:column}.search-row input{font-size:.88rem}.footer-brand{flex-direction:column}}
/* 26 Reduced Motion */
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.js-enabled .reveal{opacity:1;transform:none}}