/* Agent Port Authority — The Sovereign Port, design system 2.1
   Reading surfaces are paper; instruments (boards, records, self-check) are dark panels.
   No text is set below 11px. Headings never end with a full stop. */

@font-face{font-family:Inter;src:url('/assets/fonts/inter-regular.woff2') format('woff2'),url('/assets/fonts/inter-regular.woff') format('woff');font-weight:400;font-display:swap}
@font-face{font-family:Inter;src:url('/assets/fonts/inter-semibold.woff2') format('woff2'),url('/assets/fonts/inter-semibold.woff') format('woff');font-weight:600 800;font-display:swap}
@font-face{font-family:Sora;src:url('/assets/fonts/sora-medium.woff2') format('woff2'),url('/assets/fonts/sora-medium.woff') format('woff');font-weight:400 700;font-display:swap}
@font-face{font-family:'APA Technical Mono';src:url('/assets/fonts/apa-mono.woff2') format('woff2'),url('/assets/fonts/apa-mono.woff') format('woff');font-weight:400 600;font-display:swap}
/* Metric-matched fallback so the headline does not jump when Sora arrives. */
@font-face{font-family:'Sora Fallback';src:local('Arial');size-adjust:112%;ascent-override:86%;descent-override:22%;line-gap-override:0%}

:root{
  --abyss:#07111f;--port:#0b1728;--deck:#0f2136;--harbor:#183c5a;--line:#24384b;--line-strong:#3a5368;
  --cyan:#49c8d5;--gold:#c6a46b;--fog:#f5f7fa;--muted:#a9bac8;
  --paper:#f5f5f0;--paper-2:#ebece6;--rule:#cbd2d4;--ink:#122b3b;--ink-2:#465e6e;--slate:#4f6072;--teal:#0b5f6a;--bronze:#75581f;
  --gutter:clamp(20px,5vw,88px);--max:1440px;--utility:35px;
  --mono:'APA Technical Mono',ui-monospace,Menlo,Consolas,monospace;--heading:Sora,'Sora Fallback',Arial,sans-serif;--body:Inter,Arial,sans-serif;
}

/* ---------- base */
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:120px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--abyss);color:var(--fog);font-family:var(--body);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
[hidden]{display:none!important}
a{color:inherit;text-underline-offset:5px}
button,input{font:inherit}
button{cursor:pointer}
a,button,label,summary{-webkit-tap-highlight-color:transparent;touch-action:manipulation}
img,svg{max-width:100%;vertical-align:middle}
h1,h2,h3,p,figure,ul,ol,dl,dd{margin:0}
h1,h2,h3{font-family:var(--heading);font-weight:500;line-height:1.14;letter-spacing:-.04em;text-wrap:balance}
h1{font-size:clamp(40px,5.6vw,80px)}
h2{font-size:clamp(30px,3.5vw,50px)}
h3{font-size:22px;letter-spacing:-.03em}
p+p{margin-top:20px}
::selection{background:var(--cyan);color:var(--abyss)}
main:focus{outline:none}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--cyan);outline-offset:4px}
.paper a:focus-visible,.paper summary:focus-visible,.paper [tabindex]:focus-visible{outline-color:var(--teal)}
.experiment a:focus-visible{outline-color:var(--abyss)}
.button:focus-visible{outline-color:var(--fog)}
.wrap{max-width:var(--max);margin-inline:auto;padding-inline:var(--gutter)}
.mono,.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.09em;text-transform:uppercase;line-height:1.6}
.eyebrow{color:var(--gold);display:flex;align-items:center;gap:14px}
.eyebrow:before{content:'';width:24px;height:1px;background:currentColor;flex:none}
.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
.skip{position:fixed;z-index:100;top:-80px;left:20px;background:var(--cyan);color:var(--abyss);padding:12px 20px;font-weight:600;text-decoration:none}
.skip:focus{top:12px;outline-color:var(--fog)}

/* Stacked headlines: neutral, then signal cyan, then brass gold. Paper and cyan surfaces use darker members of the same families. */
.l1,.l2,.l3{display:block}
.l2{color:var(--cyan)}
.l3{color:var(--gold)}
.paper .l2{color:var(--teal)}
.paper .l3{color:var(--bronze)}
.experiment .l2{color:#0a4a57}
.experiment .l3{color:#4a3200}

/* ---------- header */
.site-header{position:sticky;top:calc(var(--utility)*-1);z-index:30;background:var(--abyss);border-bottom:1px solid var(--line)}
.utility{border-bottom:1px solid var(--line);color:var(--muted)}
.utility .wrap{display:flex;justify-content:space-between;align-items:center;height:calc(var(--utility) - 1px);gap:12px}
.utility .mono{font-size:11px;white-space:nowrap}
.utility-status{text-decoration:none;display:flex;align-items:center;gap:9px;height:100%;padding-inline:8px;margin-right:-8px}
.utility-status:hover{color:var(--fog)}
.status-dot{width:6px;height:6px;background:var(--gold);display:inline-block}
.navigation{display:flex;align-items:center;justify-content:space-between;min-height:88px;gap:30px}
.brand{display:flex;align-items:center;gap:13px;text-decoration:none;flex:none}
.brand img{width:42px;height:48px}
.brand-name{font-size:12px;line-height:1.5;font-weight:600;letter-spacing:.14em}
.nav-links{display:flex;align-items:center;gap:clamp(16px,2.2vw,34px)}
.nav-links a{text-decoration:none;font-size:13px;color:#ccd6df;padding-block:14px;position:relative}
.nav-links a:hover,.nav-links a[aria-current=page]{color:var(--cyan)}
.nav-links a[aria-current=page]:after{content:'';position:absolute;bottom:6px;left:0;right:0;height:1px;background:var(--cyan)}
.menu-button{display:none;background:none;border:1px solid var(--line-strong);padding:0 14px;height:44px;color:var(--fog);font-size:13px;align-items:center;gap:14px}
.menu-icon{position:relative;width:18px;height:12px;border-block:1.5px solid currentColor}
.menu-icon:before{content:'';position:absolute;left:0;right:0;top:50%;height:1.5px;margin-top:-.75px;background:currentColor}
.menu-button[aria-expanded=true] .menu-icon{border-color:transparent}
.menu-button[aria-expanded=true] .menu-icon:before{transform:rotate(45deg)}
.menu-button[aria-expanded=true] .menu-icon:after{content:'';position:absolute;left:0;right:0;top:50%;height:1.5px;margin-top:-.75px;background:currentColor;transform:rotate(-45deg)}

/* ---------- actions */
.actions{display:flex;gap:14px 28px;align-items:center;margin-top:36px;flex-wrap:wrap}
.button{display:inline-flex;align-items:center;justify-content:space-between;gap:28px;background:var(--cyan);color:var(--abyss);padding:13px 20px;min-height:50px;font-size:14px;font-weight:600;text-decoration:none;border:1px solid var(--cyan);transition:background .2s}
.button:hover{background:#88e2e7;border-color:#88e2e7}
.text-link{font-size:14px;text-decoration:none;display:inline-flex;align-items:center;gap:20px;padding-block:12px;border-bottom:1px solid #627481}
.text-link:hover{color:var(--cyan);border-color:currentColor}
.paper .text-link{border-color:#8fa0a8}
.paper .text-link:hover{color:var(--teal)}
.arrow{display:inline-block;position:relative;width:15px;height:15px;flex:none}
.arrow:before{content:'';position:absolute;left:0;top:7px;width:16px;height:1px;background:currentColor;transform:rotate(-45deg)}
.arrow:after{content:'';position:absolute;right:1px;top:1px;width:8px;height:8px;border-top:1px solid currentColor;border-right:1px solid currentColor}

/* ---------- home hero */
.hero{position:relative;overflow:hidden;background:
  linear-gradient(180deg,rgba(7,17,31,0) 55%,var(--abyss) 100%),
  repeating-linear-gradient(90deg,rgba(73,200,213,.045) 0 1px,transparent 1px 88px),
  repeating-linear-gradient(0deg,rgba(73,200,213,.045) 0 1px,transparent 1px 88px),var(--abyss)}
.hero-grid{display:grid;grid-template-columns:1.12fr 1fr;align-items:center;min-height:660px;padding-top:64px;padding-bottom:56px}
.hero-copy{position:relative;z-index:2}
.hero h1{margin-top:28px;max-width:760px;font-size:clamp(42px,5.5vw,84px);line-height:1.04;letter-spacing:-.042em;word-spacing:.04em}
.hero .lead{font-size:18px;line-height:1.7;max-width:520px;color:#bac9d6;margin-top:30px}
.hero-figure{margin-right:calc(var(--gutter)*-.55);margin-left:-36px;align-self:stretch;display:flex;flex-direction:column;justify-content:center}
.hero-figure svg{width:100%;height:auto;max-height:600px;display:block}
.hero-figure text{font-family:var(--mono)}
.fig-marker{display:none}
.figure-key{display:none}
.hero-figure figcaption{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:#9db0be;display:flex;justify-content:space-between;gap:8px 20px;flex-wrap:wrap;padding-left:50px;padding-right:20px;margin-top:-6px}
.principle-strip{display:flex;justify-content:space-between;border-top:1px solid var(--line);min-height:76px;align-items:center;gap:20px;color:#bac9d6;list-style:none;padding:0}
.principle-strip li{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase}
.principle-strip i{font-style:normal;color:var(--gold);margin-right:16px}
.port-time{border-top:1px solid var(--line);background:var(--port)}
.port-time .wrap{display:flex;align-items:center;gap:14px 36px;min-height:58px;flex-wrap:wrap;padding-block:12px}
.port-time-label{color:var(--gold);font-size:11px}
.clocks{display:flex;gap:10px 34px;flex-wrap:wrap;list-style:none;padding:0;flex:1;font-size:12px}
.clocks li{display:flex;gap:10px;align-items:baseline}
.clocks span{color:var(--muted)}
.clocks time{color:var(--fog);font-variant-numeric:tabular-nums;letter-spacing:.06em}
.port-time-note{color:#8fa3b3;font-size:11px}

/* ---------- section scaffolding */
.paper{background:var(--paper);color:var(--ink)}
.paper .eyebrow{color:var(--bronze)}
.section{padding-block:104px}
.section-intro{display:grid;grid-template-columns:1fr 2.1fr;gap:70px}
.section-intro>.eyebrow{align-self:start;padding-top:10px}
.section-intro h2{max-width:820px}
.section-intro .body-copy{max-width:660px;margin-top:28px;font-size:18px;color:var(--ink-2)}
.section-intro .text-link{margin-top:22px}
.section-heading{display:flex;justify-content:space-between;align-items:end;gap:50px;margin-top:26px}
.section-heading h2{max-width:760px}
.section-heading>p{max-width:380px;font-size:15px;color:var(--muted)}
.after-board{display:flex;gap:14px 40px;flex-wrap:wrap;align-items:center;margin-top:34px}
.thesis{display:grid;grid-template-columns:repeat(3,1fr);margin-top:70px;border-top:1px solid var(--rule)}
.thesis-item{padding:30px 34px 4px 0;display:grid;grid-template-columns:38px 1fr;gap:12px}
.thesis-item+.thesis-item{padding-left:34px;border-left:1px solid var(--rule)}
.thesis-item .mono{color:var(--bronze);padding-top:5px}
.thesis-item h3{font-size:21px;margin-bottom:14px}
.thesis-item p{color:var(--ink-2);font-size:15px}

/* ---------- instruments: port board, validation board */
.architecture-home{background:var(--port);border-block:1px solid var(--line)}
.board,.validation-board,.self-check,.record{background:var(--deck);border:1px solid var(--line-strong);color:var(--fog)}
.board{margin-top:56px}
.board-top,.record-top{display:flex;justify-content:space-between;gap:8px 24px;flex-wrap:wrap;padding:13px 24px;border-bottom:1px solid var(--line-strong);color:var(--muted);font-size:11px}
.board-top span:first-child,.record-top span:first-child{color:var(--gold)}
.board-table{width:100%;border-collapse:collapse}
.board-table th,.board-table td{padding:17px 24px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle;font-weight:400}
.board-table thead th{font-family:var(--mono);font-size:11px;letter-spacing:.09em;text-transform:uppercase;color:#8fa3b3;padding-block:11px}
.board-table tbody th{font-family:var(--heading);font-size:19px;letter-spacing:-.03em;white-space:nowrap}
.board-table tbody th a{text-decoration:none;display:inline-block;padding-block:4px}
.board-table tbody th a:hover{color:var(--cyan)}
.board-table td{font-size:14px;color:var(--muted)}
.board-table tbody tr:hover{background:rgba(73,200,213,.04)}
.board-table tr.support th{font-size:16px}
.berth{display:inline-block;width:44px;color:var(--gold);font-size:12px}
.stage{display:inline-block;font-family:var(--mono);font-size:11px;letter-spacing:.07em;text-transform:uppercase;padding:4px 10px;border:1px solid var(--line-strong);color:var(--muted);white-space:nowrap}
.stage.first{background:var(--cyan);border-color:var(--cyan);color:var(--abyss)}
.stage.future{border-style:dashed}
.board-note{padding:14px 24px;font-size:13px;color:#8fa3b3}
.validation-board{margin-top:30px}
.gate-summary{display:grid;grid-template-columns:auto 1fr;gap:12px 36px;align-items:center;padding:26px 24px;border-bottom:1px solid var(--line-strong)}
.gate-count{display:flex;flex-direction:column;gap:6px}
.gate-number{font-family:var(--heading);font-size:68px;line-height:1;letter-spacing:-.05em;color:var(--fog)}
.gate-of{color:#8fa3b3}
.gate-label{font-family:var(--mono);font-size:11px;letter-spacing:.09em;text-transform:uppercase;color:var(--gold)}
.validation-board .gate-explain{font-size:14px;line-height:1.65;color:var(--muted);max-width:520px;margin:0}
.gates{list-style:none;padding:0}
.gates li{display:grid;grid-template-columns:104px 1fr auto;gap:20px;align-items:center;padding:16px 24px;border-bottom:1px solid var(--line)}
.gates li:last-child{border-bottom:0}
.gate-id{font-size:11px;color:var(--gold)}
.validation-board .gates h3{font-size:17px;margin:0 0 4px;color:var(--fog)}
.validation-board .gates p{font-size:13px;line-height:1.55;color:var(--muted);margin:0}
.gate-state{font-family:var(--mono);font-size:11px;letter-spacing:.07em;text-transform:uppercase;padding:4px 10px;border:1px dashed var(--line-strong);color:#8fa3b3;white-space:nowrap}

/* ---------- mission track (home) */
.mission-home{border-bottom:1px solid var(--line)}
.track{list-style:none;padding:0;margin-top:56px;display:grid;grid-template-columns:repeat(7,1fr);border-top:1px solid var(--line-strong)}
.track li{position:relative;padding:26px 18px 0 0;display:flex;flex-direction:column;gap:8px}
.track li:before{content:'';position:absolute;top:-5px;left:0;width:9px;height:9px;background:var(--abyss);border:1px solid var(--muted)}
.track li:nth-child(6):before{background:var(--cyan);border-color:var(--cyan)}
.track .mono{color:var(--gold);font-size:11px}
.track strong{font-family:var(--heading);font-weight:500;font-size:21px;letter-spacing:-.03em}
.track li:nth-child(6) strong{color:var(--cyan)}
.track small{font-size:13px;line-height:1.5;color:var(--muted)}
.track-note{font-size:13px;color:#8fa3b3}

/* ---------- the first economic test */
.experiment{background:var(--cyan);color:var(--abyss);padding-block:84px}
.experiment .eyebrow{color:#123b4a}
.experiment-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:85px;align-items:center}
.experiment h2{margin-top:25px;max-width:640px}
.experiment-grid>div>p{margin-top:24px;max-width:520px;color:#123b4a;font-size:16px}
.experiment .text-link{border-color:#28576b;margin-top:14px}
.experiment .text-link:hover{color:var(--abyss);border-color:var(--abyss)}
.buyer-diagram{border-top:1px solid #23808c}
.buyer-row{display:flex;align-items:baseline;justify-content:space-between;gap:20px;padding:18px 0;border-bottom:1px solid #23808c}
.buyer-row b{font-family:var(--heading);font-size:26px;font-weight:500;letter-spacing:-.035em;white-space:nowrap}
.buyer-row span{font-size:14px;text-align:right}
.reuse{display:grid;grid-template-columns:30px 1fr;gap:6px 14px;padding:18px 0;border-bottom:1px solid #23808c}
.reuse-arrow{grid-row:1/3;justify-self:center;width:1px;background:var(--abyss);position:relative;margin-block:4px 8px}
.reuse-arrow:after{content:'';position:absolute;bottom:-1px;left:-4px;width:9px;height:9px;border-right:1px solid var(--abyss);border-bottom:1px solid var(--abyss);transform:rotate(45deg)}
.reuse ul{list-style:none;padding:0;font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;line-height:1.9;color:#0b2733}
.reuse .never{font-size:13px;color:#123b4a;margin:0}
.experiment .diagram-note{font-size:13px;margin-top:16px;color:#123b4a}

/* ---------- participants (home) */
.research-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:44px}
.research-head h2{margin-top:26px}
.role-list,.research-list{border-top:1px solid var(--rule)}
.role-row{display:grid;grid-template-columns:230px 1fr 1.25fr 25px;gap:28px;padding:26px 0;text-decoration:none;border-bottom:1px solid var(--rule);align-items:baseline}
.role-row h3{font-size:22px}
.role-row p{font-size:15px;color:var(--ink-2);margin:0}
.role-row .role-who{color:var(--slate);font-size:14px}
.role-row:hover h3,.research-row:hover h3{color:var(--teal)}
.role-row .arrow,.research-row .arrow{align-self:center}

/* ---------- development record (home) */
.status-home{border-top:1px solid var(--line)}
.status-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:70px;align-items:start;margin-top:26px}
.status-side{padding-top:30px;display:flex;flex-direction:column;align-items:flex-start;gap:6px}
.status-lines{border-top:1px solid var(--line);width:100%;margin-bottom:18px}
.status-line{display:flex;justify-content:space-between;gap:20px;font-size:14px;padding-block:15px;border-bottom:1px solid var(--line)}
.status-line span:last-child{color:var(--muted);text-align:right}
.status-line .complete{color:var(--cyan)!important}

/* ---------- research rows */
.research-row{display:grid;grid-template-columns:160px 1fr 120px 25px;gap:25px;padding:28px 0;text-decoration:none;border-bottom:1px solid var(--rule);align-items:center}
.research-row .mono{color:var(--slate);font-size:11px}
.research-row h3{font-size:23px;line-height:1.3}
.research-row p{font-size:15px;color:var(--ink-2);margin-top:6px;max-width:640px}
.research-row .type{font-size:11px;letter-spacing:.08em;text-transform:uppercase;font-family:var(--mono);color:var(--slate)}

/* ---------- footer */
.site-footer{border-top:1px solid var(--line);padding-block:64px 28px}
.footer-top{display:grid;grid-template-columns:1fr 1.5fr;gap:70px;padding-bottom:48px}
.footer-title{font-family:var(--heading);font-size:24px;letter-spacing:-.035em;margin-top:26px;line-height:1.3}
.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.footer-column{display:flex;flex-direction:column;align-items:flex-start}
.footer-column h2{font-family:var(--mono);font-size:11px;letter-spacing:.09em;font-weight:400;color:var(--gold);margin-bottom:12px}
.footer-links a{font-size:14px;color:#b5c5d0;text-decoration:none;padding-block:6px}
.footer-links a:hover{color:var(--cyan)}
.footer-bottom{border-top:1px solid var(--line);padding-top:22px;display:flex;justify-content:space-between;gap:30px;color:var(--muted);font-size:12px;line-height:1.7}
.footer-bottom .mono{font-size:11px}
.footer-disclaimer{max-width:680px}
.footer-bottom p+p{margin-top:0;text-align:right;flex:none}

/* ---------- interior pages */
.page-hero{padding-block:60px 68px;border-bottom:1px solid var(--line);background:
  linear-gradient(90deg,var(--abyss) 35%,rgba(7,17,31,0) 100%),
  repeating-linear-gradient(90deg,rgba(73,200,213,.05) 0 1px,transparent 1px 88px),
  repeating-linear-gradient(0deg,rgba(73,200,213,.05) 0 1px,transparent 1px 88px),var(--abyss)}
.breadcrumbs{font-family:var(--mono);font-size:11px;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin-bottom:40px;display:flex;gap:4px 12px;flex-wrap:wrap;align-items:center}
.breadcrumbs a{text-decoration:none;display:inline-flex;align-items:center;min-height:28px;min-width:28px}
.breadcrumbs a:hover{color:var(--cyan)}
.breadcrumbs [aria-current]{color:var(--gold)}
.page-hero .eyebrow{margin-bottom:24px}
.page-hero h1{max-width:1000px;font-size:clamp(38px,5.2vw,74px);line-height:1.06;letter-spacing:-.042em;word-spacing:.04em}
.page-hero .lead{max-width:740px;color:#bac9d6;font-size:19px;line-height:1.7;margin-top:30px}
.page-meta{display:flex;gap:10px 14px;flex-wrap:wrap;margin-top:36px;font-size:11px}
.page-meta span{border:1px solid var(--line-strong);padding:5px 11px;color:var(--muted)}
.reading-layout{display:grid;grid-template-columns:230px minmax(0,1fr);gap:75px;align-items:start}
.contents{position:sticky;top:120px;border-top:1px solid var(--rule);padding-top:18px}
.contents .mono{color:var(--bronze);margin-bottom:14px;display:block;font-size:11px}
.contents a{display:block;color:var(--slate);font-size:14px;line-height:1.45;padding:7px 0;text-decoration:none}
.contents a:hover{color:var(--ink);text-decoration:underline}
.prose{max-width:820px;min-width:0}
.prose>section{scroll-margin-top:120px}
.prose>section+section{margin-top:64px;padding-top:48px;border-top:1px solid var(--rule)}
.prose h2{font-size:clamp(28px,2.6vw,34px);margin-bottom:24px}
.prose h3{margin:32px 0 14px}
.prose :where(p,li,dd){color:var(--ink-2);font-size:17px;line-height:1.8}
.prose :where(ul,ol){padding-left:22px}
.prose :where(ul,ol)+p,.prose p+:where(ul,ol){margin-top:20px}
.prose li+li{margin-top:10px}
.prose strong{color:var(--ink);font-weight:600}
.prose .text-link{color:var(--ink)}
.pullquote{border-left:2px solid var(--bronze);padding:6px 0 6px 28px;margin:36px 0!important;font-family:var(--heading);font-size:clamp(24px,2.8vw,34px)!important;line-height:1.3!important;letter-spacing:-.035em;color:var(--ink)!important}
.notice{background:#e6ecec;border-left:2px solid #436476;padding:18px 22px;margin:28px 0!important;font-size:15px!important;line-height:1.7!important;color:#34505f!important}
.notice.strong{border-left-color:var(--bronze);background:#efeadb;color:#4a3d1d!important}
.notice strong{color:inherit}
.figure-note{font-size:14px!important;color:var(--slate)!important;margin-top:14px!important}
.definition-list{margin:28px 0 0}
.definition-list>div{padding:22px 0;border-top:1px solid var(--rule);scroll-margin-top:120px}
.definition-list>div:target{background:var(--paper-2);box-shadow:-16px 0 0 var(--paper-2),16px 0 0 var(--paper-2)}
.definition-list dt{font-family:var(--heading);font-size:21px;letter-spacing:-.03em;margin-bottom:8px;color:var(--ink)}
.definition-list dt.mono{font-family:var(--mono);font-size:15px;letter-spacing:.02em;text-transform:none;color:var(--teal)}
.definition-list.compact>div{display:grid;grid-template-columns:190px 1fr;gap:20px;padding:14px 0;align-items:baseline}
.definition-list.compact dt{margin:0;font-size:14px}
.definition-list.compact dd{font-size:15px;line-height:1.6}
.roadmap{margin-top:30px}
.roadmap-item{display:grid;grid-template-columns:120px 1fr;gap:24px;padding:26px 0;border-top:1px solid var(--rule)}
.roadmap-item>.mono{color:var(--slate);font-size:11px;padding-top:5px}
.roadmap-item h3{margin:0 0 10px}
.roadmap-item p{font-size:16px}
.tag{display:inline-block;border:1px solid #637987;padding:4px 10px;color:#34505f;font-family:var(--mono);font-size:11px;letter-spacing:.07em;text-transform:uppercase;line-height:1.5;align-self:start}
.tag.current,.tag.first{color:var(--teal);border-color:var(--teal)}
.tag.future{border-style:dashed}
.page-end{margin-top:56px;padding-top:26px;border-top:1px solid var(--rule);display:flex;justify-content:space-between;gap:16px 25px;flex-wrap:wrap}

/* disclosures: architecture components and questions */
.architecture-modules,.faq{margin-top:30px}
.architecture-modules details,.faq details{border-top:1px solid #bdcace;scroll-margin-top:120px}
.architecture-modules details:last-child,.faq details:last-child{border-bottom:1px solid #bdcace}
.prose summary{list-style:none;display:grid;grid-template-columns:34px 1fr 22px;gap:4px 16px;align-items:center;cursor:pointer;padding:22px 0;color:var(--ink)}
.faq summary{grid-template-columns:1fr 22px}
.prose summary::-webkit-details-marker{display:none}
.prose summary .mono{font-size:12px;color:var(--bronze)}
.summary-title{font-family:var(--heading);font-size:21px;line-height:1.3;letter-spacing:-.03em}
.summary-sub{grid-column:2;font-size:14px;color:var(--slate)}
.summary-icon{grid-column:-2;grid-row:1;position:relative;width:16px;height:16px;justify-self:end}
.summary-icon:before,.summary-icon:after{content:'';position:absolute;left:0;top:7px;width:16px;height:1.5px;background:var(--teal);transition:transform .2s}
.summary-icon:after{transform:rotate(90deg)}
details[open]>summary .summary-icon:after{transform:rotate(0)}
.prose summary:hover .summary-title{color:var(--teal)}
.module-body{padding:0 40px 26px 50px}
.faq .module-body{padding-left:0}
.module-body p{font-size:16px}
.module-body .tag{margin-bottom:12px}
.identity-equation{display:flex;flex-wrap:wrap;gap:12px 20px;align-items:center;margin:30px 0;font-family:var(--heading);font-size:22px;line-height:1.4;letter-spacing:-.035em;color:var(--ink)}
.identity-equation i{position:relative;width:20px;height:9px;border-block:2px solid var(--bronze);flex:none}
.identity-equation i:after{content:'';position:absolute;left:9px;top:-8px;width:2px;height:21px;background:var(--bronze);transform:rotate(24deg)}
.doc-source{margin-top:10px}
.doc-source p{font-size:14px;color:var(--slate)}

/* research library */
.library-intro{max-width:760px;color:var(--ink-2);margin-bottom:36px;font-size:17px}
.library-section+.library-section{margin-top:72px}
.library-section h2{font-size:30px;margin-bottom:24px}
.internal-record{padding:25px 0;border-top:1px solid var(--rule);display:grid;grid-template-columns:160px 1fr;gap:25px}
.internal-record:last-child{border-bottom:1px solid var(--rule)}
.internal-record h3{font-size:21px}
.internal-record p{font-size:15px;color:var(--ink-2);margin:10px 0 14px}
.internal-record .mono{font-size:11px;color:var(--slate)}
.agenda{border-top:1px solid var(--rule)}
.agenda-row{display:grid;grid-template-columns:1fr 250px auto;gap:25px;align-items:center;padding:22px 0;border-bottom:1px solid var(--rule)}
.agenda-row h3{font-size:19px}
.agenda-row p{font-size:15px;color:var(--ink-2);margin-top:6px;max-width:560px}
.agenda-row .mono{font-size:11px;color:var(--slate)}
.agenda-row .tag{border-style:dashed;align-self:center}

/* governance */
.trust-number{font-family:var(--mono);font-size:11px;letter-spacing:.09em;text-transform:uppercase;color:var(--bronze);display:block;margin-bottom:12px}
.prose .trust-rule{padding-block:26px;border-top:1px solid var(--rule)}
.trust-rule h3{margin:0 0 12px}
.trust-rule p{font-size:16px}

/* horizons and dependencies */
.horizons{list-style:none;padding:0!important;margin-top:30px;display:grid;grid-template-columns:repeat(2,1fr);gap:0 28px}
.horizons li{border-top:3px solid var(--rule);padding:18px 0 26px;margin:0!important}
.horizons li:first-child{border-top-color:var(--teal)}
.horizons .mono{color:var(--bronze);font-size:12px}
.horizons h3{font-size:20px;margin:8px 0 10px}
.horizons p{font-size:15px!important;line-height:1.6!important;margin:0}
.horizons .horizon-gate{font-size:14px!important;color:var(--slate)!important;margin-top:10px;padding-left:12px;border-left:2px solid var(--rule)}
.dependency{list-style:none;padding:0!important;counter-reset:dep;margin-top:26px}
.dependency li{counter-increment:dep;display:grid;grid-template-columns:44px 1fr;column-gap:8px;padding:22px 0;border-top:1px solid var(--rule);margin:0!important}
.dependency li:before{content:counter(dep,decimal-leading-zero);font-family:var(--mono);font-size:12px;color:var(--bronze);padding-top:6px;grid-row:1/3}
.dependency h3{margin:0 0 8px;font-size:20px}
.dependency p{font-size:16px}

/* illustrative mission */
.mission-console{margin-top:30px}
.outcome-switch{position:sticky;top:96px;z-index:5;display:flex;flex-wrap:wrap;align-items:center;gap:10px 12px;background:var(--paper);padding:14px 0;border-block:1px solid var(--rule)}
.outcome-switch .mono{font-size:11px;color:var(--slate);margin-right:8px}
.outcome-switch label{font-size:14px;font-weight:600;padding:9px 16px;min-height:44px;display:inline-flex;align-items:center;border:1px solid #8fa0a8;color:var(--ink);cursor:pointer}
.outcome-switch label:hover{border-color:var(--ink)}
#outcome-accept:checked~.outcome-switch label[for=outcome-accept],#outcome-dispute:checked~.outcome-switch label[for=outcome-dispute]{background:var(--ink);border-color:var(--ink);color:var(--fog)}
#outcome-accept:focus-visible~.outcome-switch label[for=outcome-accept],#outcome-dispute:focus-visible~.outcome-switch label[for=outcome-dispute]{outline:3px solid var(--teal);outline-offset:3px}
.when-dispute{display:none}
#outcome-dispute:checked~.mission-steps .when-accept{display:none}
#outcome-dispute:checked~.mission-steps .when-dispute{display:block}
.mission-steps{list-style:none;padding:0!important}
.mission-step{margin:0!important;padding:30px 0;border-bottom:1px solid var(--rule)}
.step-head{display:grid;grid-template-columns:44px 1fr auto;gap:8px;align-items:baseline;margin-bottom:14px}
.step-num{color:var(--bronze);font-size:12px}
.step-head h3{margin:0;font-size:24px}
.step-who{font-size:11px;color:var(--slate);text-align:right}
.step-body,.step-record{padding-left:52px}
.step-record{margin-top:18px}
.record{margin-top:16px}
.step-record .record{margin-top:0}
.record.accept{border-left:3px solid var(--cyan)}
.record.dispute{border-left:3px solid var(--gold)}
.record dl{margin:0}
.record dl>div{display:grid;grid-template-columns:150px 1fr;gap:16px;padding:12px 24px;border-bottom:1px solid var(--line)}
.record dl>div:last-child{border-bottom:0}
.record dt{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:#8fa3b3;padding-top:3px}
.record dd{font-size:15px;line-height:1.55;color:var(--fog)}
.record.dispute dl>div:last-child dd{color:var(--gold)}
.record.accept dl>div:last-child dd{color:var(--cyan)}

/* tables on paper */
.table-scroll{overflow-x:auto;margin:28px 0;border:1px solid var(--rule);background:#fafaf7}
.data-table{width:100%;min-width:600px;border-collapse:collapse;font-size:15px;line-height:1.55}
.data-table th,.data-table td{padding:14px 18px;text-align:left;vertical-align:top;border-bottom:1px solid var(--rule);color:var(--ink-2);font-weight:400}
.data-table tr:last-child>*{border-bottom:0}
.data-table thead th{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--slate);background:var(--paper-2);border-bottom:1px solid #b9c3c6}
.data-table tbody th{color:var(--ink);font-weight:600;white-space:nowrap}
.data-table tbody th.mono{font-weight:400;font-size:14px;letter-spacing:.02em;text-transform:none;color:var(--teal)}
.reuse-table thead th:nth-child(1){color:var(--teal)}
.reuse-table thead th:nth-child(3){color:#8a3d2c}
.reuse-table td{width:33.3%}

/* participants */
.role{padding:30px 0 6px;border-top:1px solid var(--rule);scroll-margin-top:120px;margin-top:30px}
.role h3{margin:0;font-size:26px}
.role .role-who{font-size:15px;color:var(--slate);margin-top:6px}
.role-facts{display:grid;grid-template-columns:1fr 1fr;gap:6px 36px;margin:20px 0 0}
.role-facts>div{padding:14px 0;border-top:1px solid var(--rule)}
.role-facts dt{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--bronze);margin-bottom:6px}
.role-facts dd{font-size:15px;line-height:1.65}
.self-check{margin:28px 0 0}
.self-check ul{list-style:none;padding:0}
.self-check li{margin:0;border-bottom:1px solid var(--line)}
.self-check label{display:grid;grid-template-columns:24px 1fr;gap:16px;padding:16px 24px;cursor:pointer;align-items:start}
.self-check label:hover{background:rgba(73,200,213,.05)}
.self-check input{appearance:none;-webkit-appearance:none;width:24px;height:24px;margin:1px 0 0;border:1.5px solid var(--muted);background:transparent;display:grid;place-content:center;cursor:pointer}
.self-check input:checked{background:var(--cyan);border-color:var(--cyan)}
.self-check input:checked:after{content:'';width:11px;height:6px;border-left:2px solid var(--abyss);border-bottom:2px solid var(--abyss);transform:translateY(-1px) rotate(-45deg)}
.check-text{display:flex;flex-direction:column;gap:3px}
.self-check strong{color:var(--fog);font-weight:600;font-size:16px;line-height:1.45}
.self-check small{font-size:14px;line-height:1.5;color:var(--muted)}
.self-check-result{padding:18px 24px;font-size:15px!important;line-height:1.6!important;color:var(--fog)!important;border-top:1px solid var(--line-strong);margin:0!important}
.self-check-result b{color:var(--cyan);font-weight:600}

/* ---------- responsive */
@media(min-width:1600px){.hero-grid{min-height:720px}.hero-figure{margin-right:-50px}}
@media(max-width:1180px){
  .track{grid-template-columns:repeat(4,1fr);row-gap:34px;border-top:0}
  .track li{border-top:1px solid var(--line-strong)}
  .role-row{grid-template-columns:190px 1fr 1fr 20px;gap:20px}
  .reading-layout{grid-template-columns:190px minmax(0,1fr);gap:48px}
  .section-intro{gap:40px}
  .research-row{grid-template-columns:130px 1fr 100px 20px}
  .experiment-grid{gap:50px}
  .status-grid{grid-template-columns:1fr;gap:20px}
  .agenda-row{grid-template-columns:1fr auto;gap:10px 25px}
  .agenda-row .mono{grid-column:1}
  .agenda-row .tag{grid-column:2;grid-row:1}
}
@media(max-width:1000px){
  .navigation{min-height:74px;flex-wrap:wrap;gap:0}
  .brand img{width:36px;height:41px}
  .brand-name{font-size:11px}
  .js .menu-button{display:flex}
  .nav-links{width:100%;flex-wrap:wrap;padding-bottom:16px;gap:0 26px}
  .js .nav-links{display:none;flex-direction:column;align-items:stretch;gap:0;border-top:1px solid var(--line);padding:8px 0 16px;max-height:calc(100vh - 76px);max-height:calc(100dvh - 76px);overflow-y:auto}
  .js .nav-links.is-open{display:flex}
  .nav-links a{font-size:16px;padding-block:12px}
  .js .nav-links a{border-bottom:1px solid var(--line)}
  .js .nav-links a[aria-current=page]:after{display:none}
  .hero-grid{grid-template-columns:1fr;padding-top:52px;padding-bottom:24px;gap:26px;min-height:0}
  .hero h1{font-size:clamp(40px,9.4vw,76px);max-width:none}
  .hero .lead{max-width:600px}
  .hero-figure{margin:0 -8px;max-width:640px;width:calc(100% + 16px);justify-self:center}
  .hero-figure figcaption{padding-inline:8px;margin-top:10px}
  .fig-label,.fig-leader,.fig-sheet{display:none}
  .fig-legend{font-size:20px}
  .fig-marker{display:block}
  .figure-key{display:grid;grid-template-columns:1fr 1fr;gap:6px 20px;list-style:none;counter-reset:key;padding:0 8px;margin-top:4px;font-size:11px;color:#bac9d6}
  .figure-key li{counter-increment:key;display:flex;gap:10px}
  .figure-key li:before{content:counter(key);color:var(--cyan)}
  .section{padding-block:72px}
  .section-intro{grid-template-columns:1fr;gap:26px}
  .section-heading{align-items:start;flex-direction:column;gap:22px}
  .section-heading>p{max-width:560px}
  .thesis{grid-template-columns:1fr;margin-top:44px}
  .thesis-item{padding:24px 0}
  .thesis-item+.thesis-item{padding-left:0;border-left:0;border-top:1px solid var(--rule)}
  .experiment-grid{grid-template-columns:1fr;gap:44px}
  .experiment{padding-block:68px}
  .buyer-diagram{max-width:640px}
  .role-row{grid-template-columns:1fr 20px;gap:6px 16px;padding:22px 0}
  .role-row h3,.role-row p{grid-column:1}
  .role-row .arrow{grid-column:2;grid-row:1/4}
  .research-row{grid-template-columns:110px 1fr 20px;gap:20px}
  .research-row .type{display:none}
  .footer-top{grid-template-columns:1fr;gap:40px}
  .reading-layout{grid-template-columns:minmax(0,1fr);gap:36px}
  .contents{position:static;display:flex;flex-wrap:wrap;gap:0 22px;padding-bottom:14px;border-bottom:1px solid var(--rule)}
  .contents .mono{width:100%;margin-bottom:4px}
  .contents a{padding:6px 0}
  .page-hero{padding-block:44px 52px}
  .breadcrumbs{margin-bottom:30px}
  .outcome-switch{top:74px}
}
@media(max-width:860px){
  .board-table,.board-table tbody,.board-table tr,.board-table th,.board-table td{display:block}
  .board-table thead{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
  .board-table tr{padding:16px 18px;border-bottom:1px solid var(--line)}
  .board-table th,.board-table td{padding:0;border:0;white-space:normal!important}
  .board-table td{margin-top:6px;padding-left:44px}
  .board-table td+td{margin-top:10px}
}
@media(max-width:700px){
  .board-top,.record-top,.board-note{padding-inline:18px}
  .gate-summary{grid-template-columns:1fr;padding:22px 18px}
  .gates li{grid-template-columns:1fr auto;gap:8px 14px;padding:16px 18px}
  .gates li>div{grid-column:1/-1;grid-row:2}
  .track{grid-template-columns:1fr 1fr}
  .principle-strip{flex-direction:column;align-items:flex-start;gap:8px;padding-block:22px}
  .port-time-note{display:none}
  .port-time-label{width:100%}
  .clocks{display:grid;grid-template-columns:repeat(3,1fr);gap:12px 14px}
  .clocks li{flex-direction:column;gap:0;white-space:nowrap}
  .footer-links{grid-template-columns:1fr 1fr}
  .footer-bottom{flex-direction:column;gap:14px}
  .footer-bottom p+p{text-align:left}
  .internal-record{grid-template-columns:1fr;gap:10px}
  .roadmap-item{grid-template-columns:1fr;gap:12px}
  .definition-list.compact>div{grid-template-columns:1fr;gap:4px}
  .horizons{grid-template-columns:1fr}
  .role-facts{grid-template-columns:1fr;gap:0}
  .record dl>div{grid-template-columns:1fr;gap:2px;padding:12px 18px}
  .step-body,.step-record{padding-left:0}
  .step-head{grid-template-columns:34px 1fr}
  .step-who{grid-column:2;text-align:left}
  .module-body{padding:0 0 24px 0}
  .self-check label{padding-inline:18px}
  .self-check-result{padding-inline:18px}
  .agenda-row{grid-template-columns:1fr}
  .agenda-row .tag{grid-column:1;grid-row:auto;justify-self:start}
  .research-row{grid-template-columns:1fr 20px;padding:24px 0;gap:10px 14px}
  .research-row>.mono{grid-column:1/-1}
  .research-row h3{font-size:21px}
  .research-head{align-items:start;flex-direction:column;gap:14px;margin-bottom:28px}
  .buyer-row{flex-direction:column;gap:4px}
  .buyer-row span{text-align:left}
  .prose :where(p,li,dd){font-size:16px}
  .page-hero .lead{font-size:17px}
  .hero .lead{font-size:17px}
  .prose>section+section{margin-top:44px;padding-top:38px}
  .identity-equation{flex-direction:column;align-items:start;gap:10px;font-size:20px}
  .identity-equation i{margin-left:4px}
}
@media(max-width:480px){
  .utility-optional{display:none}
  .utility .mono{letter-spacing:.05em}
  .actions{gap:10px 22px}
  .button{width:100%}
  .track{grid-template-columns:1fr;row-gap:0}
  .track li{padding:18px 0 18px 22px;border-top:0;border-left:1px solid var(--line-strong);display:grid;grid-template-columns:34px 1fr;gap:2px 8px}
  .track li:before{top:24px;left:-5px}
  .track small{grid-column:2}
  .footer-links{grid-template-columns:1fr}
  .outcome-switch{gap:8px;padding:10px 0}
  .outcome-switch label{flex:1 1 0;font-size:13px;line-height:1.3;padding:8px 10px;justify-content:center;text-align:center}
  .outcome-switch .mono{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
  .gate-number{font-size:56px}
  .summary-title{font-size:19px}
  .prose summary{grid-template-columns:28px 1fr 18px;gap:4px 10px}
  .faq summary{grid-template-columns:1fr 18px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
@media(forced-colors:active){.arrow:before,.menu-icon:before,.summary-icon:before,.summary-icon:after{background:CanvasText}.self-check input:checked{background:Highlight}}
@media print{
  .site-header,.site-footer,.contents,.actions,.skip,.port-time,.outcome-switch,.self-check{display:none!important}
  body,.paper,.page-hero,.hero{background:#fff!important;color:#000}
  .l2,.l3,.eyebrow,.page-hero .lead,.breadcrumbs{color:#222!important}
  .page-hero{padding:20px 0}
  .wrap{padding-inline:0}
  .section{padding-block:24px}
  .reading-layout{display:block}
  .prose{max-width:none}
  .when-accept,.when-dispute{display:block!important}
  .when-accept:before{content:'If the result meets the criteria';font:600 12px var(--body);display:block;margin-top:8px}
  .when-dispute:before{content:'If the result falls short';font:600 12px var(--body);display:block;margin-top:8px}
  .board,.validation-board,.record{background:#fff;color:#000;border-color:#666}
  .board *,.validation-board *,.record *{color:#000!important}
  h2,h3{break-after:avoid}
  p{orphans:3;widows:3}
}
@media(max-width:360px){.utility .wrap>span:first-child{display:none}.utility .wrap{justify-content:flex-end}.hero h1{font-size:36px}.page-hero h1{font-size:33px}}