*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --paper:#F1EFE7;
  --paper-2:#E7E3D6;
  --white:#FBFAF6;
  --ink:#0A0A0A;
  --accent:#FF3D1A;
  --accent-text:#B9250E;
  --muted:rgba(10,10,10,.64);
  --muted-light:rgba(241,239,231,.68);
  --line:rgba(10,10,10,.2);
  --rail:1472px;
}

html{scroll-behavior:smooth;scroll-padding-top:96px}
body{min-width:0;background:var(--paper);color:var(--ink);font-family:Archivo,Arial,sans-serif;line-height:1.5;overflow-x:clip;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
[hidden]{display:none!important}
button{border:0;background:none;color:inherit;font:inherit;cursor:pointer}
button:focus-visible,a:focus-visible{outline:3px solid var(--accent);outline-offset:4px}
.rail{width:min(100%,var(--rail));margin-inline:auto;padding-inline:56px}
.inline-link{border-bottom:1px solid var(--accent);font-weight:700}
.inline-link:hover{color:var(--accent-text)}

.topbar{position:fixed;z-index:300;inset:0 0 auto;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:80px;padding:18px 40px;border-bottom:1px solid rgba(241,239,231,.28);background:var(--ink);pointer-events:none}
.topbar>*{pointer-events:auto}
.topbar-mark{color:var(--paper);font:600 13px/1.2 'IBM Plex Mono',monospace;letter-spacing:.02em}
.menu-btn{display:flex;align-items:center;gap:11px;min-height:44px;padding:9px 16px;border:1.5px solid var(--paper);color:var(--paper);font:600 11px/1 'IBM Plex Mono',monospace;letter-spacing:.08em;text-transform:uppercase}
.menu-btn:hover{border-color:var(--accent);color:var(--accent)}
.bars{display:flex;flex-direction:column;gap:4px;width:17px}
.bars span{height:1.5px;background:currentColor}

.overlay{position:fixed;z-index:400;inset:0;display:flex;flex-direction:column;justify-content:space-between;padding:84px 56px 40px;background:var(--ink);color:var(--paper);overflow-y:auto;opacity:0;visibility:hidden;transform:translateY(-12px);transition:opacity .2s ease,transform .2s ease,visibility 0s linear .2s}
.overlay.open{opacity:1;visibility:visible;transform:none;transition:opacity .2s ease,transform .2s ease,visibility 0s}
.overlay-close{align-self:flex-end;min-height:44px;color:var(--paper);font:600 11px 'IBM Plex Mono',monospace;letter-spacing:.08em;text-transform:uppercase}
.overlay-close:hover{color:var(--accent)}
.menu-list{display:grid;gap:1px;margin:20px 0;list-style:none}
.menu-list a{display:flex;align-items:baseline;justify-content:space-between;gap:30px;max-width:820px;padding:6px 0;border-bottom:1px solid rgba(241,239,231,.2);font-size:clamp(22px,2.75vw,41px);font-weight:800;line-height:1.05;letter-spacing:-.04em;transition:color .16s ease,transform .16s ease}
.menu-list a:hover,.menu-list a[aria-current=page]{color:var(--accent);transform:translateX(14px)}
.menu-list .n{flex:0 0 auto;color:rgba(241,239,231,.42);font:500 11px 'IBM Plex Mono',monospace}
.overlay-foot{display:flex;justify-content:space-between;gap:28px;flex-wrap:wrap;color:rgba(241,239,231,.64);font:11px/1.8 'IBM Plex Mono',monospace}
.overlay-foot b{display:block;color:var(--paper);font-size:9px;letter-spacing:.09em;text-transform:uppercase}
.overlay-foot a{display:block}

.act-hero{display:flex;min-height:890px;padding-top:80px;background:var(--ink);color:var(--paper);flex-direction:column}
.act-hero>.rail{display:flex;flex:1;min-width:0;flex-direction:column;padding-top:34px;padding-bottom:66px}
.crumb{display:flex;align-items:center;gap:10px;color:var(--muted-light);font:10px 'IBM Plex Mono',monospace}
.crumb a:hover{color:var(--accent)}
.crumb .sep{color:var(--accent)}
.hero-fileline{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:26px;padding:12px 0;border-top:2px solid rgba(241,239,231,.54);border-bottom:1px solid rgba(241,239,231,.25);color:rgba(241,239,231,.67);font:600 9px 'IBM Plex Mono',monospace;letter-spacing:.09em;text-transform:uppercase}
.hero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(350px,5fr);gap:48px;align-items:center;margin:auto 0 0;padding-top:42px}
.hero-copy{min-width:0}
.hero-grid h1{min-width:0;max-width:840px;font-size:clamp(54px,5.55vw,84px);font-weight:800;line-height:.9;letter-spacing:-.04em;text-wrap:balance}
.hero-grid h1 span{color:var(--accent)}
.hero-brief{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 28px;margin-top:34px;padding-top:21px;border-top:2px solid rgba(241,239,231,.48)}
.hero-brief p{color:var(--muted-light);font-size:14px;line-height:1.68}
.hero-brief strong{color:var(--paper)}
.hero-actions{display:grid;grid-column:1/-1;grid-template-columns:1fr 1fr;gap:12px;margin-top:5px}
.btn-primary,.btn-secondary,.btn-inverse{display:inline-flex;align-items:center;justify-content:space-between;gap:18px;min-height:50px;padding:13px 17px;border:2px solid currentColor;font:600 10px/1.35 'IBM Plex Mono',monospace;letter-spacing:.035em;text-transform:uppercase;transition:background .16s ease,color .16s ease,border-color .16s ease}
.btn-primary{border-color:var(--accent);background:var(--accent);color:var(--ink)}
.btn-primary:hover{border-color:var(--paper);background:var(--paper)}
.btn-secondary{color:var(--paper)}
.btn-secondary:hover{border-color:var(--accent);color:var(--accent)}
.hero-signal{min-width:0;border:2px solid rgba(241,239,231,.72);background:var(--ink)}
.signal-media{position:relative;aspect-ratio:4/5;background:var(--ink);overflow:hidden}
.signal-media::before{content:"";position:absolute;z-index:0;inset:18% 22%;border:2px solid rgba(241,239,231,.65)}
.signal-media::after{content:"";position:absolute;z-index:0;top:55%;right:7%;left:7%;height:12px;background:var(--accent)}
.signal-media picture{position:relative;z-index:1;display:block;width:100%;height:100%}
.signal-media img{width:100%;height:100%;object-fit:cover;object-position:50% 50%;font-size:0;color:transparent}
.signal-axis{position:absolute;z-index:2;right:0;bottom:0;left:0;display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:7px;align-items:center;min-height:44px;padding:8px 11px;border-top:1px solid rgba(241,239,231,.42);background:rgba(10,10,10,.91);color:var(--paper);font:600 8px/1.35 'IBM Plex Mono',monospace;letter-spacing:.07em;text-align:center;text-transform:uppercase}
.signal-axis b{color:var(--accent);font-size:13px}
.hero-signal figcaption{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:42px;padding:10px 12px;border-top:2px solid rgba(241,239,231,.72);background:var(--paper);color:var(--ink);font:600 8px/1.45 'IBM Plex Mono',monospace;letter-spacing:.055em;text-transform:uppercase}
.hero-signal figcaption span:last-child{color:var(--accent-text);text-align:right}

.act-sequence{position:relative;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));min-height:122px;border-top:1px solid rgba(255,255,255,.68);background:var(--accent);color:var(--ink);list-style:none;overflow:hidden}
.act-sequence::before{content:"";position:absolute;z-index:0;top:29px;right:0;left:0;height:2px;background:var(--paper);transform:scaleX(0);transform-origin:left;animation:sequence-draw .85s .12s cubic-bezier(.22,.65,.3,1) forwards}
.act-sequence li{position:relative;z-index:1;min-width:0;padding:45px 28px 20px;border-right:1px solid rgba(10,10,10,.26);text-align:center}
.act-sequence li:last-child{border-right:0}
.act-sequence .node{position:absolute;top:21px;left:50%;width:16px;height:16px;border:3px solid var(--paper);background:var(--accent);transform:translateX(-50%)}
.act-sequence time{display:block;font:600 12px 'IBM Plex Mono',monospace;letter-spacing:.04em}
.act-sequence strong{display:block;margin-top:7px;font:600 9px/1.4 'IBM Plex Mono',monospace;letter-spacing:.04em;text-transform:uppercase}
@keyframes sequence-draw{to{transform:scaleX(1)}}

.section{padding:108px 0;border-bottom:2px solid var(--ink)}
.section-heading{display:grid;grid-template-columns:190px minmax(0,1fr);gap:40px;align-items:start;margin-bottom:52px}
.section-heading>*{min-width:0}
.section-label{color:var(--accent-text);font:600 10px/1.5 'IBM Plex Mono',monospace;letter-spacing:.1em;text-transform:uppercase}
.section-heading h2,.person-copy h2{max-width:930px;font-size:clamp(38px,4.65vw,68px);font-weight:800;line-height:.98;letter-spacing:-.04em;text-wrap:balance}
.section-heading>div>p{max-width:760px;margin-top:18px;color:var(--muted);font-size:15px;line-height:1.72}

.router-section{background:var(--paper)}
.router-shell{display:grid;grid-template-columns:minmax(280px,.36fr) minmax(0,.64fr);border:2px solid var(--ink);background:var(--white)}
.router-tabs{border-right:2px solid var(--ink);background:var(--paper-2)}
.router-tab{position:relative;display:grid;grid-template-columns:48px minmax(0,1fr) 24px;gap:12px;align-items:start;width:100%;min-height:132px;padding:23px 18px;border-bottom:1px solid var(--ink);text-align:left}
.router-tab:last-child{border-bottom:0}
.router-tab::before{content:"";position:absolute;inset:0 auto 0 0;width:7px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .16s ease}
.router-tab:hover::before,.router-tab.is-active::before{transform:scaleX(1)}
.router-tab.is-active{background:var(--ink);color:var(--paper)}
.router-tab .tab-code{color:var(--accent-text);font:600 10px 'IBM Plex Mono',monospace;letter-spacing:.07em}
.router-tab.is-active .tab-code{color:var(--accent)}
.router-tab strong{display:block;font-size:16px;line-height:1.18}
.router-tab small{display:block;margin-top:8px;color:var(--muted);font:10px/1.55 'IBM Plex Mono',monospace}
.router-tab.is-active small{color:var(--muted-light)}
.tab-arrow{align-self:center;font-size:20px}
.router-stage{display:flex;min-width:0;flex-direction:column}
.router-panel{min-width:0;flex:1;padding:30px 32px}
.router-panel[hidden],.date-panel[hidden]{display:none}
.panel-head{display:flex;justify-content:space-between;gap:24px;padding-bottom:14px;border-bottom:2px solid var(--ink);font:600 10px/1.5 'IBM Plex Mono',monospace;letter-spacing:.06em;text-transform:uppercase}
.panel-head span{color:var(--accent-text)}
.panel-head strong{text-align:right}
.panel-lead{max-width:790px;margin-top:28px;font-size:18px;font-weight:650;line-height:1.55}
.panel-register{margin-top:29px;border:2px solid var(--ink)}
.panel-register div{display:grid;grid-template-columns:155px minmax(0,1fr);border-bottom:1px solid var(--ink)}
.panel-register div:last-child{border-bottom:0}
.panel-register dt,.panel-register dd{padding:14px 16px}
.panel-register dt{background:var(--paper-2);font:600 9px 'IBM Plex Mono',monospace;letter-spacing:.07em;text-transform:uppercase}
.panel-register dd{border-left:1px solid var(--ink);font-size:13px;line-height:1.6}
.router-disclaimer{padding:16px 32px;border-top:2px solid var(--ink);background:var(--paper-2);color:var(--muted);font:10px/1.6 'IBM Plex Mono',monospace}
.router-disclaimer strong{color:var(--ink)}

.timeline-section{background:var(--paper-2)}
.date-instrument{border:2px solid var(--ink);background:var(--paper)}
.date-tabs{position:relative;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));background:var(--ink);color:var(--paper)}
.date-tabs::after{content:"";position:absolute;top:35px;right:7%;left:7%;height:2px;background:rgba(241,239,231,.36);pointer-events:none}
.date-tab{position:relative;z-index:1;min-width:0;min-height:118px;padding:23px 15px 18px;border-right:1px solid rgba(241,239,231,.28);text-align:center}
.date-tab:last-child{border-right:0}
.date-tab::before{content:"";display:block;width:15px;height:15px;margin:5px auto 17px;border:3px solid var(--paper);background:var(--ink)}
.date-tab:hover,.date-tab.is-active{background:var(--accent);color:var(--ink)}
.date-tab.is-active::before{border-color:var(--ink);background:var(--paper)}
.date-tab time{display:block;font:600 11px 'IBM Plex Mono',monospace}
.date-tab span{display:block;margin-top:7px;font:600 9px/1.4 'IBM Plex Mono',monospace;letter-spacing:.045em;text-transform:uppercase}
.date-stage{min-height:300px;padding:38px 42px}
.date-state{display:inline-block;padding:5px 8px;border:1px solid var(--accent-text);color:var(--accent-text);font:600 9px 'IBM Plex Mono',monospace;letter-spacing:.09em}
.date-panel h3{max-width:880px;margin-top:22px;font-size:clamp(28px,3.4vw,49px);line-height:1.02;letter-spacing:-.035em}
.date-panel p{max-width:900px;margin-top:19px;color:var(--muted);font-size:15px;line-height:1.75}
.source-rail{display:grid;grid-template-columns:220px minmax(0,1fr);gap:30px;margin-top:19px;padding-top:16px;border-top:1px solid var(--line);color:var(--muted);font:10px/1.6 'IBM Plex Mono',monospace}
.source-rail>div{display:flex;justify-content:flex-end;gap:13px 20px;flex-wrap:wrap}
.source-rail a{border-bottom:1px solid var(--accent)}
.source-rail a:hover{color:var(--accent-text)}

.artifact-ledger{border-top:2px solid var(--ink)}
.ledger-head,.artifact-row{display:grid;grid-template-columns:130px 240px minmax(0,1fr) 190px}
.ledger-head{background:var(--ink);color:var(--paper);font:600 9px 'IBM Plex Mono',monospace;letter-spacing:.08em;text-transform:uppercase}
.ledger-head span{padding:13px 16px;border-right:1px solid rgba(241,239,231,.22)}
.artifact-row{border-bottom:1px solid var(--ink)}
.artifact-row>*{min-width:0;padding:20px 16px;border-right:1px solid var(--line)}
.artifact-row>*:last-child{border-right:0}
.artifact-code{color:var(--accent-text);font:600 10px 'IBM Plex Mono',monospace}
.artifact-row h3{font-size:18px;line-height:1.18}
.artifact-row p{color:var(--muted);font-size:13px;line-height:1.6}
.handoff{font:600 10px/1.55 'IBM Plex Mono',monospace;text-transform:uppercase}
.artifact-note{max-width:920px;margin:22px 0 0 auto;padding:17px 0 0 36px;border-top:1px solid var(--line);color:var(--muted);font:10px/1.7 'IBM Plex Mono',monospace}

.ownership-section{background:var(--ink);color:var(--paper)}
.section-heading-light .section-label,.contact .section-label{color:var(--accent)}
.section-heading-light>div>p{color:var(--muted-light)}
.ownership-track{display:grid;grid-template-columns:minmax(0,1fr) 190px minmax(0,1fr);border:2px solid var(--paper)}
.ownership-track article{min-height:340px;padding:30px}
.ownership-track article:last-child{text-align:right}
.track-tag{color:var(--accent);font:600 10px 'IBM Plex Mono',monospace;letter-spacing:.09em}
.ownership-track h3{max-width:470px;margin-top:72px;font-size:clamp(29px,3.4vw,48px);line-height:1;letter-spacing:-.035em}
.ownership-track article:last-child h3{margin-left:auto}
.ownership-track p{max-width:470px;margin-top:18px;color:var(--muted-light);font-size:14px;line-height:1.68}
.ownership-track article:last-child p{margin-left:auto}
.track-joint{display:flex;align-items:center;justify-content:center;gap:15px;flex-direction:column;border-inline:1px solid var(--paper);background:var(--accent);color:var(--ink);text-align:center}
.track-joint span{width:2px;flex:1;background:var(--ink)}
.track-joint strong{padding:9px;font:600 9px/1.55 'IBM Plex Mono',monospace;letter-spacing:.08em;text-transform:uppercase;writing-mode:vertical-rl;transform:rotate(180deg)}
.ownership-links{display:flex;align-items:center;justify-content:space-between;gap:22px;margin-top:24px}
.btn-inverse{border-color:var(--paper);background:var(--paper);color:var(--ink)}
.btn-inverse:hover{border-color:var(--accent);background:var(--accent)}
.text-link-light{color:var(--paper);font:600 10px 'IBM Plex Mono',monospace;border-bottom:1px solid var(--accent)}
.text-link-light:hover{color:var(--accent)}

.work-section{background:var(--paper-2)}
.work-bands{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));padding:27px;border:2px solid var(--ink);background:var(--ink)}
.work-band{display:grid;grid-template-columns:145px minmax(220px,.75fr) minmax(0,1.25fr);gap:28px;align-items:start;min-height:230px;padding:28px;background:var(--paper)}
.band-scope{grid-column:1/11}
.band-bench{grid-column:2/12;border-top:2px solid var(--ink)}
.band-handoff{grid-column:3/13;border-top:2px solid var(--ink);background:var(--accent)}
.band-label{color:var(--accent-text);font:600 10px 'IBM Plex Mono',monospace;letter-spacing:.1em}
.band-handoff .band-label{color:var(--ink)}
.work-band h3{font-size:27px;line-height:1.05;letter-spacing:-.025em}
.work-band dl{border-top:2px solid var(--ink)}
.work-band dl div{display:grid;grid-template-columns:145px minmax(0,1fr);border-bottom:1px solid var(--line)}
.work-band dt,.work-band dd{padding:11px 0}
.work-band dt{font:600 9px 'IBM Plex Mono',monospace;letter-spacing:.07em;text-transform:uppercase}
.work-band dd{padding-left:18px;border-left:1px solid var(--line);font-size:12px;line-height:1.55}
.scope-factors{max-width:900px;margin:24px 0 0 auto;color:var(--muted);font:10px/1.7 'IBM Plex Mono',monospace}

.boundary{display:grid;grid-template-columns:1fr 1fr;border-bottom:2px solid var(--ink)}
.boundary>div{min-width:0;padding:94px max(56px,calc((100vw - 1360px)/2 + 56px))}
.boundary-operational{padding-right:64px!important;background:var(--ink);color:var(--paper)}
.boundary-specialist{padding-left:64px!important;background:var(--accent);color:var(--ink)}
.boundary-label{font:600 10px 'IBM Plex Mono',monospace;letter-spacing:.1em}
.boundary-operational .boundary-label{color:var(--accent)}
.boundary h2{max-width:610px;margin-top:34px;font-size:clamp(38px,4.2vw,62px);line-height:.98;letter-spacing:-.04em}
.boundary p{max-width:620px;margin-top:25px;font-size:15px;line-height:1.72}
.boundary-operational p{color:var(--muted-light)}

.person-section{background:var(--paper)}
.person-grid{display:grid;grid-template-columns:minmax(280px,.62fr) minmax(0,1.38fr);gap:66px;align-items:center}
.person-photo{position:relative;border:2px solid var(--ink);background:var(--ink)}
.person-photo img{width:100%;height:auto;aspect-ratio:4/5;object-fit:cover;object-position:10% 48%;filter:saturate(.86) contrast(1.04)}
.person-photo figcaption{padding:12px 14px;border-top:2px solid var(--ink);background:var(--ink);color:var(--paper);font:9px/1.5 'IBM Plex Mono',monospace;letter-spacing:.07em;text-transform:uppercase}
.person-copy h2{margin-top:29px}
.person-copy>p:not(.section-label){max-width:760px;margin-top:23px;color:var(--muted);font-size:16px;line-height:1.72}
.person-actions{display:flex;align-items:center;gap:13px;flex-wrap:wrap;margin-top:30px}
.person-actions .btn-primary:hover{border-color:var(--ink);background:var(--ink);color:var(--paper)}
.social-link{padding:11px 3px;border-bottom:1px solid var(--ink);font:600 10px 'IBM Plex Mono',monospace}
.social-link:hover{color:var(--accent-text);border-color:var(--accent-text)}

.faq-section{background:var(--paper-2)}
.faq-list{border-top:2px solid var(--ink)}
.faq-item{border-bottom:1px solid var(--ink)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:25px;width:100%;padding:23px 0;text-align:left}
.faq-q>span:first-child{display:flex;gap:19px;align-items:baseline;font-size:19px;font-weight:750;line-height:1.35}
.faq-code{flex:0 0 66px;color:var(--accent-text);font:600 9px 'IBM Plex Mono',monospace;letter-spacing:.05em}
.faq-toggle{position:relative;flex:0 0 22px;width:22px;height:22px}
.faq-toggle::before,.faq-toggle::after{content:"";position:absolute;top:10px;right:0;left:0;height:2px;background:var(--ink)}
.faq-toggle::after{transform:rotate(90deg);transition:transform .16s ease}
.faq-item.open .faq-toggle::after{transform:rotate(0)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .22s ease}
.faq-a>div{overflow:hidden}
.faq-a p{max-width:900px;padding:0 40px 25px 85px;color:var(--muted);font-size:14px;line-height:1.72}
.faq-item.open .faq-a{grid-template-rows:1fr}
.related-paths{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:48px;border:2px solid var(--ink)}
.related-paths a{min-height:128px;padding:21px;border-right:1px solid var(--ink)}
.related-paths a:last-child{border-right:0}
.related-paths a:hover{background:var(--ink);color:var(--paper)}
.related-paths span{display:block;font-size:18px;font-weight:750}
.related-paths small{display:block;margin-top:22px;color:var(--muted);font:10px 'IBM Plex Mono',monospace}
.related-paths a:hover small{color:var(--muted-light)}

.contact{padding:100px 0;background:var(--ink);color:var(--paper)}
.contact-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);gap:65px;align-items:end}
.contact h2{max-width:850px;margin-top:30px;font-size:clamp(45px,6vw,86px);font-weight:800;line-height:.92;letter-spacing:-.04em;text-wrap:balance}
.contact>div>div>p:not(.section-label){max-width:680px;margin-top:24px;color:var(--muted-light);font-size:15px;line-height:1.72}
.contact-actions{display:flex;align-items:stretch;flex-direction:column;gap:15px}
.contact-trust{margin:4px 0 0!important;padding-top:15px;border-top:1px solid rgba(241,239,231,.25);color:var(--muted-light)!important;font:9px/1.6 'IBM Plex Mono',monospace!important;text-transform:uppercase}

.footer{padding:55px 0 30px;background:var(--paper)}
.footer-grid{display:grid;grid-template-columns:1.25fr repeat(3,1fr);gap:34px}
.footer-mark{font-size:24px;font-weight:800;letter-spacing:-.03em}
.footer-col h2{margin-bottom:13px;font:600 10px 'IBM Plex Mono',monospace;letter-spacing:.08em;text-transform:uppercase}
.footer-col a,.footer-col p{display:block;margin-top:7px;color:var(--muted);font-size:13px;line-height:1.55}
.footer-col a:hover{color:var(--accent-text)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:31px;padding-top:18px;border-top:1px solid var(--line);color:#5f5d58;font:10px 'IBM Plex Mono',monospace}
.footer-legal{display:flex;gap:18px}

@media(max-width:1100px){
  .hero-grid{grid-template-columns:minmax(0,1.16fr) minmax(320px,.84fr);gap:32px}
  .hero-grid h1{font-size:clamp(50px,6.2vw,70px)}
  .hero-brief{grid-template-columns:1fr;gap:14px}
  .hero-actions{grid-column:auto;grid-template-columns:1fr}
  .section-heading{grid-template-columns:150px minmax(0,1fr)}
  .router-shell{grid-template-columns:1fr}
  .router-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-right:0;border-bottom:2px solid var(--ink)}
  .router-tab{grid-template-columns:35px minmax(0,1fr);min-height:156px;border-right:1px solid var(--ink);border-bottom:0}
  .router-tab:last-child{border-right:0}
  .tab-arrow{display:none}
  .artifact-ledger{overflow:hidden}
  .ledger-head,.artifact-row{grid-template-columns:105px 190px minmax(0,1fr) 150px}
  .ownership-track{grid-template-columns:minmax(0,1fr) 120px minmax(0,1fr)}
  .work-band{grid-template-columns:115px minmax(190px,.7fr) minmax(0,1.3fr)}
  .work-band dl div{grid-template-columns:110px minmax(0,1fr)}
  .boundary{grid-template-columns:1fr}
  .boundary>div,.boundary-operational,.boundary-specialist{padding:80px 56px!important}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}

@media(max-width:900px){
  .act-hero{min-height:auto}
  .act-hero>.rail{padding-bottom:52px}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:38px}
  .hero-grid h1{max-width:820px;font-size:clamp(54px,9vw,72px)}
  .hero-brief{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 28px}
  .hero-actions{grid-column:1/-1;grid-template-columns:1fr 1fr}
  .signal-media{aspect-ratio:16/9}
  .signal-media img{object-position:50% 49%}
  .work-bands{grid-template-columns:1fr;padding:24px 14px 14px}
  .work-band,.band-scope,.band-bench,.band-handoff{grid-column:1;grid-template-columns:110px minmax(185px,.75fr) minmax(0,1.25fr);min-height:0;padding:24px 20px}
  .work-band dl div{grid-template-columns:100px minmax(0,1fr)}
}

@media(max-width:760px){
  .rail{padding-inline:24px}
  .topbar{min-height:72px;padding:14px 20px}
  .topbar-mark{font-size:10px}
  .menu-btn{padding:8px 12px;font-size:9px}
  .overlay{padding:68px 24px 27px}
  .menu-list a{padding:6px 0;font-size:24px}
  .act-hero{min-height:auto;padding-top:72px}
  .act-hero>.rail{padding-top:28px;padding-bottom:50px}
  .hero-fileline{align-items:flex-start;flex-direction:column;gap:7px}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:31px;padding-top:42px}
  .hero-grid h1{font-size:clamp(43px,13.2vw,68px);line-height:.91}
  .hero-brief{grid-template-columns:1fr;gap:17px;max-width:570px;margin-top:31px}
  .hero-actions{grid-column:auto;grid-template-columns:1fr 1fr}
  .signal-media{aspect-ratio:4/3}
  .signal-media img{object-position:50% 49%}
  .act-sequence{grid-template-columns:1fr;min-height:0;padding:9px 0}
  .act-sequence::before{top:24px;right:auto;bottom:24px;left:33px;width:2px;height:auto;transform:scaleY(0);transform-origin:top;animation-name:sequence-draw-y}
  .act-sequence li{display:grid;grid-template-columns:42px 95px minmax(0,1fr);gap:13px;align-items:center;min-height:76px;padding:15px 22px;border-right:0;border-bottom:1px solid rgba(10,10,10,.25);text-align:left}
  .act-sequence li:last-child{border-bottom:0}
  .act-sequence .node{position:relative;top:auto;left:auto;width:15px;height:15px;transform:none}
  .act-sequence strong{margin-top:0}
  @keyframes sequence-draw-y{to{transform:scaleY(1)}}
  .section{padding:78px 0}
  .section-heading{grid-template-columns:minmax(0,1fr);gap:17px;margin-bottom:38px}
  .section-heading h2,.person-copy h2{font-size:clamp(34px,9.8vw,50px);hyphens:auto;overflow-wrap:break-word}
  .section-heading>div>p{font-size:14px}
  .router-tabs{grid-template-columns:1fr}
  .router-tab{grid-template-columns:45px minmax(0,1fr) 22px;min-height:0;padding:20px 17px;border-right:0;border-bottom:1px solid var(--ink)}
  .router-tab:last-child{border-bottom:0}
  .tab-arrow{display:block}
  .router-panel{padding:25px 20px}
  .panel-head{align-items:flex-start;flex-direction:column;gap:7px}
  .panel-head strong{text-align:left}
  .panel-lead{font-size:16px}
  .panel-register div{grid-template-columns:1fr}
  .panel-register dd{border-top:1px solid var(--ink);border-left:0}
  .router-disclaimer{padding:15px 20px}
  .date-tabs{grid-template-columns:repeat(2,minmax(0,1fr))}
  .date-tabs::after{display:none}
  .date-tab{min-height:112px;border-bottom:1px solid rgba(241,239,231,.28)}
  .date-tab:nth-child(2){border-right:0}
  .date-tab:nth-child(3),.date-tab:nth-child(4){border-bottom:0}
  .date-stage{min-height:350px;padding:29px 21px}
  .source-rail{grid-template-columns:1fr}
  .source-rail>div{justify-content:flex-start;flex-direction:column;align-items:flex-start}
  .ledger-head{display:none}
  .artifact-row{grid-template-columns:90px minmax(0,1fr)}
  .artifact-row>*{padding:15px 12px}
  .artifact-row h3{border-right:0}
  .artifact-row p{grid-column:1/-1;border-top:1px solid var(--line)}
  .artifact-row .handoff{grid-column:1/-1;border-top:1px solid var(--line);border-right:0}
  .artifact-note{padding-left:0}
  .ownership-track{grid-template-columns:1fr}
  .ownership-track article{min-height:0;padding:27px 22px}
  .ownership-track article:last-child{text-align:left}
  .ownership-track h3,.ownership-track article:last-child h3{margin:50px 0 0}
  .ownership-track article:last-child p{margin-left:0}
  .track-joint{min-height:82px;flex-direction:row;border-block:1px solid var(--paper);border-inline:0}
  .track-joint span{width:auto;height:2px;flex:1}
  .track-joint strong{padding:9px 4px;writing-mode:horizontal-tb;transform:none}
  .ownership-links{align-items:flex-start;flex-direction:column}
  .work-bands{grid-template-columns:1fr;padding:22px 11px 11px}
  .work-band,.band-scope,.band-bench,.band-handoff{grid-column:1;grid-template-columns:1fr;gap:20px;min-height:0;padding:23px 18px}
  .work-band dl div{grid-template-columns:1fr}
  .work-band dd{padding-left:0;border-top:1px solid var(--line);border-left:0}
  .boundary>div,.boundary-operational,.boundary-specialist{padding:72px 24px!important}
  .person-grid{grid-template-columns:1fr;gap:42px}
  .person-photo{max-width:450px}
  .person-photo img{aspect-ratio:1/1;object-position:0 48%}
  .faq-q>span:first-child{gap:12px;font-size:16px}
  .faq-code{flex-basis:52px}
  .faq-a p{padding-right:0;padding-left:64px}
  .related-paths{grid-template-columns:1fr}
  .related-paths a{min-height:112px;border-right:0;border-bottom:1px solid var(--ink)}
  .related-paths a:last-child{border-bottom:0}
  .contact{padding:78px 0}
  .contact-grid{grid-template-columns:1fr;gap:43px}
  .contact h2{font-size:clamp(42px,12vw,61px)}
  .footer-grid{grid-template-columns:1fr}
}

@media(max-width:430px){
  .rail{padding-inline:20px}
  .topbar{padding-inline:16px}
  .topbar-mark{font-size:9px;letter-spacing:-.02em}
  .hero-grid h1{font-size:clamp(42px,13vw,56px)}
  .hero-actions{grid-template-columns:1fr}
  .hero-signal figcaption{align-items:flex-start;flex-direction:column;gap:4px}
  .hero-signal figcaption span:last-child{text-align:left}
  .act-sequence li{grid-template-columns:36px 86px minmax(0,1fr);gap:9px;padding-inline:17px}
  .act-sequence::before{left:27px}
  .act-sequence time{font-size:10px}
  .date-stage{min-height:410px}
  .date-panel h3{font-size:27px}
  .artifact-row{grid-template-columns:82px minmax(0,1fr)}
  .boundary h2{overflow-wrap:break-word}
  .faq-q{align-items:flex-start}
  .faq-q>span:first-child{display:block}
  .faq-code{display:block;margin-bottom:8px}
  .faq-a p{padding-left:0}
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .act-sequence::before{transform:none;animation:none}
  .overlay,.menu-list a,.router-tab::before,.faq-toggle::after,.faq-a{transition:none}
}