/* 01 Tokens & Reset */
:root{--color-ink:#161b21;--color-midnight:#1b2834;--color-steel:#425a6b;--color-plum:#665268;--color-olive:#6b735a;--color-copper:#a36b46;--color-sand:#d7cdbe;--color-paper:#f3efe8;--color-surface:#fbfaf7;--color-line:#c7cecf;--color-muted:#667078;--color-fog:#e4e8e8;--color-white:#fff;--font-sans:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--font-serif:Georgia,"Times New Roman",serif;--space-1:.5rem;--space-2:clamp(2rem,4vw,4rem);--space-3:clamp(4rem,8vw,7.5rem);--container:1200px;--border:1px solid var(--color-line);--radius:2px;--shadow:0 20px 50px rgba(22,27,33,.07);--transition:180ms ease}
*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:auto}body,h1,h2,h3,p,ul,blockquote{margin:0}ul{padding-left:1.2rem}img{display:block;max-width:100%}button,input{font:inherit}a{color:inherit}body{background:var(--color-surface);color:var(--color-ink);font-family:var(--font-sans);line-height:1.6;overflow-x:hidden}
/* 02 Base */
h1,h2,h3{line-height:1.08;letter-spacing:-.035em}h1{font-size:clamp(2.65rem,6.4vw,6rem);max-width:1050px;font-weight:650}h2{font-size:clamp(2rem,4vw,3.65rem);font-weight:620}h3{font-size:clamp(1.15rem,2vw,1.55rem)}p{color:var(--color-muted)}button,a{touch-action:manipulation}section[id]{scroll-margin-top:6rem}.container{width:min(calc(100% - 2.5rem),var(--container));margin-inline:auto}.section-pad{padding-block:var(--space-3)}.eyebrow{text-transform:uppercase;letter-spacing:.16em;font-size:.72rem;font-weight:800;color:var(--color-copper)}.section-heading{display:grid;gap:1.1rem;max-width:800px;margin-bottom:clamp(2rem,4vw,3.5rem)}.section-heading>p:last-child{font-size:1.08rem;max-width:700px}.section-kicker{display:flex;justify-content:space-between;text-transform:uppercase;letter-spacing:.15em;font-size:.68rem;color:var(--color-muted);border-bottom:var(--border);padding-bottom:.65rem}.index{font-size:.7rem;text-transform:uppercase;letter-spacing:.14em;font-weight:800}
/* 03 Accessibility */
.skip-link{position:fixed;left:1rem;top:1rem;background:var(--color-white);padding:.75rem 1rem;z-index:1000;transform:translateY(-200%)}.skip-link:focus{transform:none}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--color-copper);outline-offset:3px}
/* 04 Layout */
.button-row{display:flex;flex-wrap:wrap;gap:.75rem}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:.72rem 1.15rem;text-decoration:none;border:1px solid var(--color-midnight);font-size:.87rem;font-weight:750;transition:background var(--transition),color var(--transition)}.button-primary{background:var(--color-midnight);color:var(--color-white)}.button-primary:hover{background:var(--color-steel)}.button-secondary:hover{background:var(--color-fog)}
/* 05 Header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(251,250,247,.97);border-bottom:var(--border)}.header-inner{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:1.5rem}.brand{flex:0 1 330px}.primary-nav{display:flex;align-items:center;gap:clamp(.65rem,1.35vw,1.35rem)}.primary-nav a{text-decoration:none;font-size:.78rem;font-weight:700;color:var(--color-steel);white-space:nowrap}.primary-nav a:hover{color:var(--color-copper)}.menu-toggle{display:none;background:none;border:1px solid var(--color-line);width:46px;height:42px;padding:10px}.menu-toggle span{display:block;height:2px;background:var(--color-ink);margin:4px}
/* 06 Hero */
.hero{padding:clamp(4rem,9vw,8rem) 0 var(--space-3);background:var(--color-paper)}.hero-copy{display:grid;gap:1.6rem}.hero-lead{font-size:clamp(1.1rem,2vw,1.4rem);max-width:760px}.scope-marker{display:flex;align-items:center;gap:.65rem;font-size:.8rem;font-weight:700;margin-top:.5rem}
/* 07 Clearing Map */
.clearing-map{margin-top:clamp(4rem,8vw,7rem);border:1px solid var(--color-steel);padding:clamp(1rem,2.5vw,2rem);background:var(--color-surface);box-shadow:var(--shadow)}.clearing-map h2{font-size:clamp(1.5rem,2.5vw,2.3rem);margin:1.5rem 0}.map-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-auto-rows:auto;gap:1px;background:var(--color-line);border:var(--border)}.map-bay{position:relative;min-width:0;height:auto;padding:2rem 1.25rem;background:var(--color-white);border-top:4px solid var(--color-steel)}.map-bay b{font-size:.72rem;color:var(--color-copper)}.map-bay h3{margin:2.5rem 0 .8rem;text-transform:uppercase;font-size:1rem;letter-spacing:.04em}.map-bay p{font-family:var(--font-serif);font-size:.94rem}.route-tab{display:inline-block;background:var(--color-midnight);color:var(--color-white);padding:.3rem .55rem;font-size:.61rem;text-transform:uppercase;letter-spacing:.12em}.map-bay .route-tab{position:absolute;right:0;top:1rem}
/* 08 Banking System View */
.system-view{background:var(--color-midnight);color:var(--color-white)}.system-view .eyebrow{color:var(--color-sand)}.view-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-auto-rows:auto;border:1px solid var(--color-steel)}.flat-bay{height:auto;min-width:0;padding:clamp(1.25rem,2.4vw,2rem);border-right:1px solid var(--color-steel)}.flat-bay:last-child{border:0}.flat-bay span{font-size:.65rem;text-transform:uppercase;letter-spacing:.14em;color:var(--color-sand)}.flat-bay h3{margin:2rem 0 1rem}.flat-bay p{color:var(--color-fog)}
/* 09 Banking Domains */
.domains{background:var(--color-surface)}.domains-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));grid-auto-rows:auto;gap:clamp(1rem,2vw,2rem);align-items:start}.domain-bay{height:auto;min-width:0;border:var(--border);border-top:5px solid var(--color-steel);padding:clamp(1.4rem,3vw,2.5rem);background:var(--color-white)}.domain-1{grid-column:1/8}.domain-2{grid-column:8/13;border-top-color:var(--color-copper)}.domain-3{grid-column:1/6;border-top-color:var(--color-plum)}.domain-4{grid-column:6/13;border-top-color:var(--color-olive)}.domain-bay .route-tab{float:right;margin:-.35rem -.35rem .8rem .8rem}.domain-bay h3{clear:left;margin:1rem 0 1.25rem}.domain-bay ul{margin:1.25rem 0;color:var(--color-steel)}.domain-bay li+li{margin-top:.55rem}.boundary{border-top:var(--border);padding-top:1rem;font-family:var(--font-serif);color:var(--color-ink)}
/* 10 Banking Connections */
.connections{background:var(--color-paper)}.connection-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-auto-rows:auto;gap:1rem}.connection-bay{min-width:0;height:auto;padding:1.5rem;border:var(--border);background:var(--color-surface)}.connection-bay b{display:block;margin-bottom:.75rem}.connection-statement{margin-top:2rem;padding:clamp(1.5rem,4vw,3rem);border-left:5px solid var(--color-copper);background:var(--color-white);font:clamp(1.1rem,2vw,1.5rem)/1.55 var(--font-serif)}
/* 11 Financial Architecture Check */
.architecture{background:var(--color-fog)}.check-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-auto-rows:auto;gap:1rem}.check-bay{min-width:0;height:auto;background:var(--color-surface);padding:2rem;border:var(--border);border-left:4px solid var(--color-steel)}.check-bay:nth-child(2n){border-left-color:var(--color-copper)}.check-bay b{color:var(--color-copper);font-size:.75rem}.check-bay h3{margin:1.5rem 0 .8rem}
/* 12 Reference Profiles */
.profiles-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-auto-rows:auto;gap:1.25rem;align-items:start}.profile{height:auto;min-width:0;border:var(--border);padding:clamp(1.4rem,2.5vw,2rem);background:var(--color-white)}.profile.contact{border-top:5px solid var(--color-copper)}.profile.research{border-top:5px solid var(--color-plum);background:var(--color-paper)}.profile:nth-child(3n+2){padding-top:2.6rem}.profile-meta{display:flex;align-items:center;justify-content:space-between;gap:1rem;font-size:.65rem;text-transform:uppercase;letter-spacing:.1em;color:var(--color-muted)}.avatar{display:grid;place-items:center;width:44px;height:44px;background:var(--color-midnight);color:var(--color-white);font-weight:800}.research .avatar{background:var(--color-plum)}.profile h3{margin:1.6rem 0 .7rem}.role{font-weight:750;color:var(--color-steel);min-height:3.2em}.profile>p:not(.role){margin-top:1.2rem}.profile-detail{font-family:var(--font-serif);font-size:.93rem}.email-block{display:grid;gap:.7rem;margin-top:1.5rem;border-top:var(--border);padding-top:1rem}.email-block a{overflow-wrap:anywhere;word-break:break-word;color:var(--color-steel);font-size:.88rem}.copy-email{justify-self:start;border:1px solid var(--color-copper);background:transparent;color:var(--color-ink);min-height:42px;padding:.5rem .85rem;font-weight:750;cursor:pointer}.copy-email:hover{background:var(--color-paper)}.copy-status{min-height:1.5em;font-size:.75rem;color:var(--color-olive)}.contact-clarification{margin-top:2rem;border:1px solid var(--color-copper);padding:clamp(1.4rem,3vw,2.5rem);background:var(--color-paper)}.contact-clarification h3{margin-bottom:1rem}.contact-clarification p+p{margin-top:.75rem}
/* 13 Independence */
.independence{background:var(--color-midnight);color:var(--color-white)}.independence-grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(2rem,6vw,6rem);align-items:start}.independence .section-heading{margin:0}.independence p{color:var(--color-fog)}.scope-copy{border-left:1px solid var(--color-steel);padding-left:clamp(1.5rem,4vw,3rem)}.scope-copy p+p{margin-top:1.2rem}
/* 14 System Notes */
.notes{background:var(--color-paper)}.notes-list{display:grid;gap:.75rem}.note{height:auto;min-width:0;background:var(--color-white);border:var(--border)}.note[hidden]{display:none}.note details{height:auto}.note summary{display:flex;cursor:pointer;padding:1.25rem 3.5rem 1.25rem 1.25rem;font-weight:750;position:relative;list-style:none}.note summary::-webkit-details-marker{display:none}.note summary::after{content:"+";position:absolute;right:1.25rem;top:1.05rem;font-size:1.4rem;color:var(--color-copper)}.note details[open] summary::after{content:"−"}.note summary small{display:block;color:var(--color-copper);font-size:.65rem;text-transform:uppercase;letter-spacing:.13em;margin-bottom:.35rem}.note-body{padding:0 1.25rem 1.5rem;border-top:var(--border)}.note-body p{margin-top:1rem}.tags{display:flex;flex-wrap:wrap;gap:.5rem;list-style:none;padding:0;margin-top:1.2rem}.tags li{font-size:.67rem;text-transform:uppercase;letter-spacing:.09em;padding:.3rem .55rem;background:var(--color-fog);color:var(--color-steel)}
/* 15 Search */
.search-panel{border:1px solid var(--color-steel);padding:1.25rem;margin-bottom:1.5rem;background:var(--color-surface)}.search-panel label{display:block;font-weight:750;margin-bottom:.6rem}.search-row{display:flex;gap:.75rem}.search-row input{width:100%;min-width:0;border:var(--border);background:var(--color-white);padding:.85rem 1rem;min-height:48px}.search-row button{flex:none;border:1px solid var(--color-midnight);background:var(--color-midnight);color:var(--color-white);padding:.6rem 1rem;cursor:pointer}.search-panel>p{font-size:.78rem;margin-top:.65rem}.no-results{padding:2rem;border:var(--border);background:var(--color-white);font-family:var(--font-serif)}
/* 16 About */
.about-grid{display:grid;grid-template-columns:minmax(0,.75fr) minmax(0,1.25fr);gap:clamp(2rem,6vw,6rem)}.about .section-heading{margin:0}.about-copy{font-family:var(--font-serif);font-size:1.08rem}.about-copy p+p{margin-top:1.25rem}
/* 17 Architecture Principles */
.principles{background:var(--color-fog)}.principles-list{border-top:1px solid var(--color-steel)}.principle{display:grid;grid-template-columns:70px minmax(0,1fr) auto;gap:1.5rem;align-items:center;padding:1.5rem 0;border-bottom:var(--border);height:auto}.principle>b{color:var(--color-copper)}.principle h3{margin-bottom:.4rem}.principle>span{text-transform:uppercase;letter-spacing:.12em;font-size:.62rem;color:var(--color-white);background:var(--color-steel);padding:.35rem .55rem}
/* 18 Final CTA */
.final-cta{background:var(--color-midnight)}.cta-inset{position:relative;background:var(--color-paper);padding:clamp(2rem,6vw,5rem);border-left:7px solid var(--color-copper)}.cta-inset h2{max-width:800px;margin:1rem 0}.cta-inset>p:not(.eyebrow){max-width:720px;margin-bottom:1.5rem}.button-light{background:var(--color-midnight);color:var(--color-white)}.button-outline{border-color:var(--color-steel)}.cta-tab{position:absolute;right:0;padding:.3rem .6rem;color:var(--color-white);font-size:.6rem;text-transform:uppercase;letter-spacing:.12em}.cta-tab.plum{top:1.2rem;background:var(--color-plum)}.cta-tab.olive{top:3rem;background:var(--color-olive)}
/* 19 Footer */
.site-footer{background:var(--color-ink);color:var(--color-white);padding:3.5rem 0}.footer-grid{display:grid;grid-template-columns:1.3fr .7fr .7fr;gap:2rem}.site-footer h2{font-size:1.25rem;margin:.8rem 0}.site-footer p,.site-footer small{color:var(--color-line)}.site-footer nav{display:grid;align-content:start;gap:.5rem}.site-footer nav a,.back-top{font-size:.82rem;color:var(--color-fog);text-decoration:none}.footer-end{text-align:right}.footer-end p{margin-top:2rem;font-size:.75rem}
/* 20 Reveal */
.js-enabled .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}.js-enabled .reveal.is-visible{opacity:1;transform:none}
/* 21 Responsive */
@media(max-width:1365px){.map-grid,.view-grid,.connection-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.flat-bay{border-bottom:1px solid var(--color-steel)}.flat-bay:nth-child(2n){border-right:0}.profiles-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.profile:nth-child(3n+2){padding-top:2rem}}
@media(max-width:1100px){.menu-toggle{display:block}.primary-nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--color-surface);padding:1rem max(1.25rem,calc((100vw - var(--container))/2));border-bottom:var(--border);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.primary-nav.is-open{display:flex}.primary-nav a{padding:.65rem 0}.domains-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.domain-bay{grid-column:auto}.check-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.header-inner{min-height:70px}}
@media(max-width:767px){.container{width:min(calc(100% - 2rem),var(--container))}.brand{flex-basis:250px}.hero{padding-top:3.5rem}.map-grid,.view-grid,.connection-grid,.domains-grid,.check-grid,.profiles-grid,.independence-grid,.about-grid,.footer-grid{grid-template-columns:1fr}.map-bay,.flat-bay{border-right:0;border-bottom:1px solid var(--color-line)}.scope-copy{border-left:0;border-top:1px solid var(--color-steel);padding:1.5rem 0 0}.principle{grid-template-columns:42px minmax(0,1fr)}.principle>span{grid-column:2;justify-self:start}.footer-end{text-align:left}.search-row{align-items:stretch;flex-direction:column}.search-row button{align-self:flex-start}.profile:nth-child(3n+2){padding-top:1.4rem}}
@media(max-width:420px){.container{width:min(calc(100% - 1.25rem),var(--container))}.brand{flex-basis:215px}.button-row{flex-direction:column}.button{width:100%}.domain-bay,.profile,.check-bay{padding:1.15rem}.cta-inset{padding:4.5rem 1.25rem 1.5rem}.principle{gap:.7rem}.note summary{padding-left:1rem}.hero h1{font-size:clamp(2.35rem,13vw,3.25rem)}}
/* 22 Reduced Motion */
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}.js-enabled .reveal{opacity:1;transform:none}}