/* 01 Design tokens */
:root {
  --ink:#202A2A; --petrol:#35666B; --ochre:#A17F50; --wine:#795C64; --moss:#69775F;
  --steel:#536A75; --clay:#986D58; --graphite:#383F3E; --muted:#777E79; --mist:#E4E9E7;
  --petrol-wash:#DFE9E8; --ochre-wash:#F0E8D9; --wine-wash:#EAE3E5; --moss-wash:#E5E9E1;
  --steel-wash:#E2E8EB; --clay-wash:#EEE1DB; --paper:#F4F1E8; --clear:#FCFBF7; --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(.72rem,.68rem + .15vw,.82rem); --fs-body:clamp(.95rem,.9rem + .18vw,1.04rem);
  --fs-h1:clamp(2.65rem,5vw,5.7rem); --fs-h2:clamp(2rem,3.2vw,3.8rem); --fs-h3:clamp(1.25rem,1.6vw,1.65rem);
  --space-1:.5rem; --space-2:1rem; --space-3:1.5rem; --space-4:2rem; --space-5:3rem; --space-6:clamp(4.5rem,8vw,8rem);
  --container:1200px; --border:1px solid rgba(32,42,42,.22); --radius:3px;
  --shadow:0 14px 36px rgba(32,42,42,.08); --transition:180ms ease; --header-height:76px;
}

/* 02 Reset */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:auto;background:var(--paper)}
body,h1,h2,h3,p,ul{margin:0} ul{padding:0} img{display:block;max-width:100%} button,input{font:inherit} a{color:inherit}

/* 03 Base */
body{background:var(--paper);color:var(--graphite);font-family:var(--font-sans);font-size:var(--fs-body);line-height:1.7}
main{overflow:clip} section[id],main[id]{scroll-margin-top:calc(var(--header-height) + 22px)}
.container{width:min(calc(100% - 40px),var(--container));margin-inline:auto}.section{padding:var(--space-6) 0}
.section-heading{max-width:850px;margin-bottom:clamp(2.5rem,5vw,4.5rem)}.section-heading>p:not(.eyebrow){max-width:760px;margin-top:1rem;color:var(--muted)}

/* 04 Accessibility */
.skip-link{position:fixed;z-index:1000;top:10px;left:10px;background:var(--white);color:var(--ink);padding:.7rem 1rem;transform:translateY(-160%);border:2px solid var(--petrol)}
.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}
:focus-visible{outline:3px solid var(--clay);outline-offset:4px} [hidden]{display:none!important}

/* 05 Typography */
h1,h2,h3{font-family:var(--font-editorial);font-weight:400;color:var(--ink);line-height:1.06;text-wrap:balance}
h1{font-size:var(--fs-h1);letter-spacing:-.045em}h2{font-size:var(--fs-h2);letter-spacing:-.035em}h3{font-size:var(--fs-h3)}
.eyebrow,.profile-type,.cross-label{font-family:var(--font-mono);font-size:var(--fs-sm);font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--petrol)}
.eyebrow.with-binding{display:flex;align-items:center;gap:12px}.eyebrow.with-binding::before{content:"";width:23px;height:14px;border-left:2px solid currentColor;border-top:2px solid currentColor;transform:skewX(-28deg)}
.eyebrow.light{color:var(--mist)}

/* 06 Layout */
.button-row{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:2rem}.button{display:inline-flex;align-items:center;justify-content:center;padding:.78rem 1.05rem;border:1px solid var(--ink);text-decoration:none;font-weight:650;line-height:1.2;transition:background var(--transition),color var(--transition),transform var(--transition)}
.button:hover{transform:translateY(-2px)}.button:active{transform:none}.button-primary{background:var(--ink);color:var(--white)}.button-primary:hover{background:var(--petrol)}.button-secondary{background:transparent}.button-secondary:hover{background:var(--mist)}
.tags{display:flex;flex-wrap:wrap;gap:.4rem;list-style:none}.tags li{border:1px solid currentColor;padding:.15rem .45rem;font-family:var(--font-mono);font-size:.69rem;line-height:1.5}
.boundary{border-left:2px solid var(--clay);padding-left:1rem;color:var(--muted);font-size:.88rem}.boundary b{color:var(--clay);font-family:var(--font-mono);text-transform:uppercase;font-size:.7rem;letter-spacing:.1em;display:block}

/* 07 Header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(244,241,232,.97);border-bottom:var(--border);min-height:var(--header-height);backdrop-filter:blur(8px)}
.header-inner{display:flex;align-items:center;min-height:var(--header-height);gap:1.5rem}.brand{flex:0 0 230px}.primary-nav{margin-left:auto;display:flex;align-items:center;gap:1.1rem;font-size:.78rem;font-weight:650}.primary-nav a{text-decoration:none}.primary-nav a:hover{color:var(--petrol)}.nav-cta{border:1px solid var(--ink);padding:.55rem .7rem}.menu-toggle{display:none;margin-left:auto;width:44px;height:42px;border:1px solid var(--ink);background:transparent;padding:9px}.menu-toggle span{display:block;height:2px;background:var(--ink);margin:4px 0}

/* 08 Hero */
.hero{padding:clamp(4rem,8vw,7.5rem) 0;background:var(--clear)}.hero-grid{display:grid;grid-template-columns:minmax(0,44fr) minmax(0,56fr);gap:clamp(2rem,5vw,6rem);align-items:center}.hero h1{margin-top:1rem}.hero h1 em{color:var(--petrol);font-style:italic}.hero-lede{font-size:clamp(1.05rem,1.4vw,1.24rem);margin-top:1.5rem;max-width:620px}.micro-status{display:flex;gap:.65rem;align-items:flex-start;margin-top:2.5rem;font-family:var(--font-mono);font-size:.7rem;line-height:1.5;color:var(--steel);text-transform:uppercase}.status-square{width:8px;height:8px;background:var(--clay);margin-top:2px;flex:none}
.hero-visual{position:relative;min-height:590px;border-left:1px solid var(--mist);background:linear-gradient(90deg,rgba(228,233,231,.55) 1px,transparent 1px);background-size:92px 100%;pointer-events:none}.visual-index{position:absolute;right:0;top:0;font:700 .65rem var(--font-mono);letter-spacing:.1em;color:var(--muted)}.visual-caption{position:absolute;right:0;bottom:0;max-width:420px;padding-top:1rem;border-top:1px solid var(--steel);font-size:.85rem;color:var(--muted)}

/* 09 Weave Junctions */
.junction{position:absolute;color:var(--petrol)}.junction .rail-h,.junction .rail-v{position:absolute;background:currentColor}.junction .rail-h{height:5px;left:0;right:0;top:42%}.junction .rail-h::after{content:"";position:absolute;width:18px;height:9px;background:var(--clear);left:58%;top:-2px}.junction .rail-v{width:4px;height:100%;left:61%;top:0}.junction b{position:absolute;width:10px;height:10px;background:var(--clay);left:14%;top:38%}.junction u{position:absolute;width:13px;height:13px;border:2px solid var(--clay);border-radius:50%;right:9%;top:30%;text-decoration:none}.junction small{position:absolute;left:0;bottom:-23px;font:700 .63rem var(--font-mono);letter-spacing:.1em}.junction span{position:absolute;left:0;bottom:-45px;white-space:nowrap;font:.61rem var(--font-mono);color:var(--muted)}
.junction-dominant{width:79%;height:240px;top:45px;left:8%}.junction-medium{width:42%;height:135px}.junction-medium .rail-h{height:3px}.junction-medium .rail-v{width:3px}.junction-small{width:35%;height:90px}.junction.supply{color:var(--ochre);left:52%;top:300px}.junction.governance{color:var(--wine);left:9%;top:338px}.junction.workforce{color:var(--moss);left:51%;top:455px}.binding{position:absolute;width:20px;height:15px;border-left:2px solid var(--steel);border-top:2px solid var(--steel);transform:skewX(-25deg)}.binding::after{content:"";position:absolute;width:5px;height:5px;background:var(--clay);right:-9px;bottom:-5px}.bm-one{top:48px;right:5%}.bm-two{top:285px;left:35%}.bm-three{bottom:20px;left:12%}
.mini-junction,.trace-mark{width:62px;height:40px;position:relative}.mini-junction::before,.mini-junction::after,.trace-mark::before,.trace-mark::after{content:"";position:absolute;background:currentColor}.mini-junction::before,.trace-mark::before{height:3px;width:100%;top:18px}.mini-junction::after,.trace-mark::after{width:3px;height:100%;left:39px}.large-junction{width:100%;height:100%;position:relative}.large-junction::before,.large-junction::after{content:"";position:absolute;background:currentColor}.large-junction::before{height:7px;width:84%;top:45%;left:0}.large-junction::after{width:5px;height:86%;left:58%;top:0}

/* 10 Binding Marks */
.binding-icon{width:64px;height:48px;border-left:3px solid var(--wine);border-top:3px solid var(--wine);transform:skewX(-20deg);position:relative}.binding-icon::before{content:"";position:absolute;width:10px;height:10px;background:var(--clay);right:8px;bottom:4px}.binding-icon::after{content:"";position:absolute;width:13px;height:13px;border:2px solid var(--petrol);border-radius:50%;left:12px;top:10px}

/* 11 Executive Support Strip */
.support-strip{background:var(--ink);color:var(--mist);padding:3.3rem 0}.strip-lede{max-width:850px;font-family:var(--font-editorial);font-size:clamp(1.25rem,2vw,1.65rem);line-height:1.35;margin-top:1rem}.strip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#46504f;margin-top:2.5rem}.strip-grid p{background:var(--ink);padding:1.3rem;line-height:1.4}.strip-grid b{display:block;font:700 .65rem var(--font-mono);color:var(--clay);margin-bottom:.8rem}

/* 12 Support Systems */
.systems-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1rem}.system-module{min-width:0;display:flex;flex-direction:column;gap:1.2rem;padding:1.5rem;border-top:5px solid currentColor;background:var(--clear)}.system-module.technical{color:var(--petrol)}.system-module.supply{color:var(--ochre);margin-top:2rem}.system-module.governance{color:var(--wine);margin-top:1rem}.system-module.workforce{color:var(--moss);margin-top:3rem}.system-module h3,.system-module>p{color:var(--graphite)}.module-top{display:flex;justify-content:space-between;align-items:center;font:700 .65rem var(--font-mono);letter-spacing:.1em}.system-module .boundary{margin-top:auto}

/* 13 Dependency Crossings */
.crossings{background:var(--clear)}.crossing{display:grid;grid-template-columns:minmax(210px,34%) minmax(0,1fr);gap:clamp(2rem,6vw,7rem);align-items:center;padding:clamp(2.5rem,5vw,5rem) 0;border-top:var(--border)}.crossing-b{grid-template-columns:minmax(0,1fr) minmax(210px,34%)}.crossing h3{font-size:clamp(1.7rem,3vw,3.1rem);margin:.8rem 0 1.3rem}.consider{margin-bottom:1.3rem}.consider b{font-family:var(--font-mono);font-size:.72rem;text-transform:uppercase;color:var(--steel);display:block}.cross-visual{height:210px;position:relative;color:var(--petrol)}.cross-visual.governance{color:var(--wine)}.cross-visual.workforce{color:var(--moss)}.cross-visual::before{content:"";position:absolute;width:12px;height:12px;background:var(--clay);left:10%;top:39%}.cross-visual::after{content:"";position:absolute;width:18px;height:18px;border:2px solid var(--clay);border-radius:50%;right:11%;top:35%}.cross-visual span{position:absolute;bottom:4px;font:700 .7rem var(--font-mono)}

/* 14 Capacity Trace */
.trace{background:var(--steel-wash)}.trace-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:1rem}.trace-step{grid-column:span 4;min-width:0;padding:1.4rem;border-top:3px solid var(--steel);background:var(--clear)}.trace-step:nth-child(4),.trace-step:nth-child(5),.trace-step:nth-child(6),.trace-step:nth-child(7){grid-column:span 3}.trace-step>span{font:700 .7rem var(--font-mono);color:var(--clay)}.trace-mark{color:var(--steel);margin:.8rem 0 1.1rem}.trace-step:nth-child(even) .trace-mark{transform:scaleX(-1)}.trace-step h3{margin-bottom:.8rem}.trace-step p{font-size:.9rem;color:var(--muted)}

/* 15 Professional Checklist */
.checklist{margin-top:4rem;background:var(--ink);color:var(--mist);padding:clamp(2rem,5vw,4rem);display:grid;grid-template-columns:1fr 2fr;gap:4rem}.checklist h2{color:var(--white);margin-top:.8rem}.checklist ul{columns:2;column-gap:2.5rem;list-style:none}.checklist li{break-inside:avoid;padding:.65rem 0 .65rem 1.3rem;border-bottom:1px solid #46504f;position:relative}.checklist li::before{content:"";position:absolute;left:0;top:1.25rem;width:6px;height:6px;background:var(--clay)}

/* 16 Reference Profiles */
.profiles-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.25rem}.profile{min-width:0;padding:1.5rem;background:var(--clear);border:var(--border);border-top:4px solid currentColor}.profile:nth-child(2),.profile:nth-child(5){transform:translateY(1.5rem)}.profile.technical{color:var(--petrol);background:var(--petrol-wash)}.profile.supply{color:var(--ochre);background:var(--ochre-wash)}.profile.governance{color:var(--wine);background:var(--wine-wash)}.profile.workforce{color:var(--moss);background:var(--moss-wash)}.profile-head{display:flex;gap:1rem;align-items:flex-start;margin-bottom:1.5rem}.profile-head>div:last-child{min-width:0}.avatar{width:58px;height:58px;flex:none;border:1px solid currentColor;display:grid;place-items:center;font:700 .8rem var(--font-mono);position:relative}.avatar::after{content:"";width:7px;height:7px;background:var(--clay);position:absolute;right:-4px;bottom:7px}.profile h3{margin:.2rem 0}.profile-head p:last-child{font-size:.78rem;line-height:1.4;color:var(--muted)}.profile>p{color:var(--graphite);font-size:.9rem;margin-top:1rem}.profile .tags{margin-top:1.2rem}.contact-block{margin-top:1.4rem;padding-top:1.2rem;border-top:1px solid currentColor;display:grid;gap:.5rem;color:var(--graphite);min-width:0}.contact-block b{font:700 .7rem var(--font-mono);text-transform:uppercase;color:currentColor}.contact-block a{overflow-wrap:anywhere}.copy-email{justify-self:start;padding:.5rem .75rem;border:1px solid var(--ink);background:transparent;cursor:pointer}.copy-email:hover{background:var(--ink);color:var(--white)}.copy-status{font-size:.76rem;min-height:1.3em;color:var(--petrol)}.profile .disclaimer{font-size:.75rem;color:var(--muted)}

/* 17 Independence Note */
.independence{margin-top:5rem;padding:clamp(2rem,5vw,4rem);border:1px solid var(--wine);background:var(--clear);display:grid;grid-template-columns:auto 1fr;gap:2rem}.independence h2{font-size:clamp(1.7rem,2.8vw,2.8rem);margin:.7rem 0 1.5rem}.independence p:not(.eyebrow){margin-top:.8rem;max-width:900px}

/* 18 Enterprise Support Notes */
.notes-section{background:var(--clear)}.notes-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.note{min-width:0;background:var(--paper);border-top:3px solid var(--steel)}.note details{height:100%}.note summary{cursor:pointer;list-style:none;padding:1.5rem;min-height:100%;position:relative}.note summary::-webkit-details-marker{display:none}.note summary::after{content:"+";position:absolute;right:1.5rem;top:1.1rem;font:400 1.5rem var(--font-mono);color:var(--clay)}.note details[open] summary::after{content:"−"}.note summary span{font:700 .69rem var(--font-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--petrol)}.note summary h3{margin:1rem 2rem 1rem 0}.note summary p{color:var(--muted)}.note-body{padding:0 1.5rem 1.5rem}.note-body .tags{margin-top:1.2rem;color:var(--steel)}.note-body .boundary{margin-top:1.2rem}.no-results{padding:3rem;border:1px dashed var(--clay);text-align:center;color:var(--clay);font-family:var(--font-editorial);font-size:1.35rem}

/* 19 Search */
.search-panel{margin-bottom:2rem;padding:1.3rem;background:var(--ink);color:var(--white)}.search-panel label{display:block;font:700 .75rem var(--font-mono);letter-spacing:.08em;text-transform:uppercase;margin-bottom:.7rem}.search-row{display:flex;gap:.6rem}.search-row input{width:100%;min-width:0;border:1px solid var(--muted);background:var(--white);color:var(--ink);padding:.85rem}.search-row button{flex:none;border:1px solid var(--mist);background:transparent;color:var(--white);padding:.7rem 1rem;cursor:pointer}.search-row button:hover{background:var(--white);color:var(--ink)}#result-count{font:700 .72rem var(--font-mono);margin-top:.7rem;color:var(--mist)}

/* 20 About */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,7vw,8rem)}.about-copy{border-left:1px solid var(--clay);padding-left:2rem}.about-copy p+p{margin-top:1.2rem}

/* 21 Principles */
.principles{padding:4rem 0;background:var(--petrol);color:var(--white)}.principles-grid{display:grid;grid-template-columns:repeat(4,1fr);margin-top:2rem}.principles article{padding:1.5rem;border-left:1px solid rgba(255,255,255,.25)}.principles h3{color:var(--white);margin:.8rem 0}.principles article>b{font:700 .7rem var(--font-mono);color:var(--ochre-wash)}.principles article p{font-size:.88rem;color:var(--mist)}

/* 22 Final CTA */
.final-cta{padding:var(--space-6) 0;background:var(--ochre-wash)}.cta-grid{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:clamp(3rem,7vw,8rem)}.cta-grid h2{margin:.8rem 0 1.3rem}.cta-visual{height:380px;position:relative;color:var(--ink)}.cta-core{position:absolute;left:34%;top:42%;width:32%;padding:1rem;border:2px solid var(--ink);font:700 .72rem var(--font-mono);text-align:center;text-transform:uppercase;background:var(--clear)}.cta-visual>span{position:absolute;padding:.6rem;border-top:4px solid currentColor;font:700 .68rem var(--font-mono);text-transform:uppercase;width:36%}.cta-visual>span::before{content:"";display:block;height:2px;background:currentColor;position:absolute;top:50%;width:45%}.cta-visual .technical{color:var(--petrol);left:0;top:12%}.cta-visual .supply{color:var(--ochre);right:0;top:12%}.cta-visual .governance{color:var(--wine);left:0;bottom:12%}.cta-visual .workforce{color:var(--moss);right:0;bottom:12%}.cta-visual .technical::before,.cta-visual .governance::before{right:-45%}.cta-visual .supply::before,.cta-visual .workforce::before{left:-45%}

/* 23 Footer */
.site-footer{background:var(--ink);color:var(--mist);padding:4rem 0 2rem}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:3rem}.site-footer h2{color:var(--white);font-size:1.8rem;margin-top:1rem}.site-footer p{font-size:.82rem;max-width:420px;margin-top:.5rem}.site-footer nav{display:grid;align-content:start;gap:.45rem}.site-footer a{text-decoration:none}.site-footer a:hover{text-decoration:underline}.footer-meta{display:flex;flex-direction:column;justify-content:space-between}.back-to-top{position:fixed;right:18px;bottom:18px;z-index:80;background:var(--clay);color:var(--white);padding:.65rem .8rem;text-decoration:none;font-size:.75rem;box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(12px);transition:all var(--transition)}.back-to-top.is-visible{opacity:1;visibility:visible;transform:none}

/* 24 Reveal */
.js-enabled .reveal{opacity:0;transform:translateY(20px);transition:opacity 600ms ease,transform 600ms ease}.js-enabled .reveal.is-visible{opacity:1;transform:none}

/* 25 Responsive */
@media (max-width:1100px){.brand{flex-basis:205px}.primary-nav{gap:.65rem;font-size:.7rem}.nav-cta{display:none}.systems-grid{grid-template-columns:repeat(2,1fr)}.system-module:nth-child(n){margin-top:0}.profiles-grid{grid-template-columns:repeat(2,1fr)}.profile:nth-child(n){transform:none}.trace-step,.trace-step:nth-child(n){grid-column:span 6}.principles-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:820px){:root{--header-height:70px}.container{width:min(calc(100% - 30px),var(--container))}.menu-toggle{display:block}.primary-nav{position:absolute;top:100%;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--ink);padding:1rem 15px 1.5rem;display:none;flex-direction:column;align-items:stretch;font-size:.9rem;gap:0}.primary-nav.is-open{display:flex}.primary-nav a{padding:.65rem}.nav-cta{display:block;margin-top:.5rem;text-align:center}.hero-grid{grid-template-columns:1fr}.hero-visual{min-height:500px}.strip-grid{grid-template-columns:repeat(2,1fr)}.crossing,.crossing-b{grid-template-columns:1fr}.crossing-b>div:first-child{order:2}.crossing-b>.cross-visual{order:1}.checklist{grid-template-columns:1fr;gap:2rem}.checklist ul{columns:1}.about-grid,.cta-grid{grid-template-columns:1fr}.cta-visual{height:310px}.footer-grid{grid-template-columns:1fr 1fr}.footer-meta{grid-column:1/-1;gap:1rem}}
@media (max-width:600px){.container{width:min(calc(100% - 24px),var(--container))}.brand{flex-basis:190px}.hero{padding-top:3.5rem}.hero-visual{min-height:420px;background-size:70px 100%}.junction-dominant{height:170px}.junction-medium{height:95px}.junction.supply{top:240px}.junction.governance{top:265px}.junction.workforce{top:340px}.junction span{white-space:normal;width:160px}.visual-caption{display:none}.systems-grid,.profiles-grid,.notes-grid{grid-template-columns:1fr}.strip-grid{grid-template-columns:1fr}.trace-grid{grid-template-columns:1fr}.trace-step,.trace-step:nth-child(n){grid-column:auto}.cross-visual{height:150px}.independence{grid-template-columns:1fr}.search-row{align-items:stretch;flex-direction:column}.search-row button{align-self:flex-start}.principles-grid{grid-template-columns:1fr}.cta-visual{height:250px}.cta-core{left:30%;width:40%}.footer-grid{grid-template-columns:1fr}.footer-meta{grid-column:auto}.back-to-top{right:10px;bottom:10px}.profile{padding:1.25rem}.profile-head{flex-direction:column}.button{width:100%}}
@media (max-width:360px){.brand{flex-basis:165px}.header-inner{gap:.5rem}.hero-visual{min-height:390px}.junction small{font-size:.56rem}.junction span{display:none}.contact-block a{font-size:.86rem}.cta-visual>span{font-size:.58rem}}

/* 26 Reduced Motion */
@media (prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.js-enabled .reveal{opacity:1;transform:none}}