@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=IBM+Plex+Sans:wght@400;500;600;700&family=Outfit:wght@400;500;600;700&display=swap');
:root {
  --navy:#0C2B47; --navy-deep:#071B2E; --teal:#3B787E; --teal-text:#2F6468; --teal-pale:#DCEBEB;
  --paper:#F9F9F6; --white:#FFFFFF; --subtle:#F0F2EE; --line:#D5DBD6; --line-strong:#7A8A8C;
  --ink:#0B2236; --secondary:#43555F; --muted:#5A6B75; --pass:#1F6A3B; --pass-bg:#E4F1E7;
  --container:1200px; --font-body:"IBM Plex Sans",system-ui,sans-serif;
  --font-display:"Outfit","IBM Plex Sans",system-ui,sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:98px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font-body);font-size:16px;line-height:1.6}
body,button,a{ -webkit-tap-highlight-color:transparent }
img{max-width:100%;height:auto}
a{color:var(--teal-text);text-underline-offset:3px}
a:hover{color:var(--navy)}
a:focus-visible,summary:focus-visible,button:focus-visible{outline:3px solid var(--navy);outline-offset:4px;border-radius:3px}
button{font:inherit}
.skip{position:absolute;z-index:1000;top:-80px;left:12px;padding:10px 16px;background:var(--navy);color:white;border-radius:4px}
.skip:focus{top:12px;color:white}
.container{width:min(calc(100% - 80px),var(--container));margin-inline:auto}
.mono,.eyebrow,.label,.chip{font-family:var(--font-mono)}
.eyebrow{font-size:12px;letter-spacing:.11em;text-transform:uppercase;color:var(--teal-text);font-weight:500}
.label{color:var(--muted);font-size:11px;letter-spacing:.09em;text-transform:uppercase}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{font-family:var(--font-display);letter-spacing:-.025em;line-height:1.13}
h1{font-size:clamp(2.65rem,5vw,4.1rem);color:var(--navy);font-weight:700;max-width:760px;margin-bottom:0}
h2{font-size:clamp(1.85rem,3vw,2.4rem);font-weight:600;margin-bottom:0}
h3{font-size:1.35rem;font-weight:600;margin-bottom:0}
p{color:var(--secondary)}
.lead{font-size:clamp(1.05rem,1.45vw,1.22rem);line-height:1.6}
.small{font-size:.88rem}
.muted{color:var(--muted)}
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.nav-shell{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:88px}
.brand{display:inline-flex;align-items:center;flex:none}
.brand img{display:block;width:209px;height:auto}
.desktop-nav{display:flex;align-items:center;gap:22px}
.desktop-nav a{font-size:.91rem;font-weight:500;color:var(--secondary);text-decoration:none;white-space:nowrap}
.desktop-nav a:hover{color:var(--navy);text-decoration:underline}
.desktop-nav .nav-gh{border:1px solid var(--navy);border-radius:6px;padding:9px 16px;color:var(--navy)}
.mobile-nav{display:none}
.mobile-nav summary{cursor:pointer;font-weight:600;list-style:none;color:var(--navy);padding:10px;border:1px solid var(--line-strong);border-radius:6px}
.mobile-nav summary::-webkit-details-marker{display:none}
.mobile-nav .mobile-links{display:flex;flex-direction:column;gap:0;position:absolute;top:calc(100% - 1px);left:0;right:0;background:white;border-bottom:1px solid var(--line);box-shadow:0 12px 24px #071b2e12;padding:10px 24px 20px}
.mobile-links a{display:block;padding:11px 4px;text-decoration:none;font-weight:500;color:var(--ink)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}
.btn{min-height:48px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border:1.5px solid var(--navy);border-radius:6px;text-decoration:none;font-weight:600;font-size:.98rem;line-height:1.3;transition:background-color .15s ease,border-color .15s ease,transform .15s ease}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--navy);color:white}
.btn-primary:hover{background:var(--navy-deep);color:white}
.btn-outline{background:transparent;color:var(--navy)}
.btn-outline:hover{background:var(--subtle);color:var(--navy)}
.hero{padding-block:84px 74px;display:grid;grid-template-columns: minmax(0,1.05fr) minmax(0,.95fr);gap:56px;align-items:center}
.hero-copy{display:flex;flex-direction:column;align-items:start;gap:23px}
.hero-copy .lead{margin:0;max-width:57ch}
.hero-note{font-size:.83rem;max-width:59ch;color:var(--muted);line-height:1.6;margin:0}
.card{background:var(--white);border:1px solid var(--line);border-radius:8px}
.evidence-card{border-color:var(--line-strong);overflow:hidden;box-shadow:0 16px 45px #0c2b470b}
.evidence-head{display:flex;justify-content:space-between;gap:12px;align-items:center;flex-wrap:wrap;background:var(--subtle);padding:13px 18px;border-bottom:1px solid var(--line)}
.evidence-body{padding:20px}
.status-row{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:14px}
.chip{display:inline-flex;align-items:center;gap:6px;border-radius:4px;padding:4px 9px;font-size:.7rem;font-weight:500;line-height:1.4;border:1px solid var(--line-strong);white-space:nowrap}
.chip-pass{color:var(--pass);background:var(--pass-bg);border-color:var(--pass)}
.chip-neutral{color:#55646E;background:#ECEFEE;border-style:dashed}
.chip-teal{color:var(--teal-text);background:var(--teal-pale);border-color:var(--teal-text)}
.chip-plain{color:var(--secondary);background:white}
.table-scroll{overflow-x:auto;width:100%}
.table{border-collapse:collapse;width:100%;font-size:.83rem;line-height:1.45;min-width:480px}
.table th{text-align:left;font-family:var(--font-mono);font-size:.67rem;letter-spacing:.05em;text-transform:uppercase;font-weight:500;color:var(--muted);border-bottom:2px solid var(--navy);padding:10px 7px}
.table td{border-bottom:1px solid var(--line);padding:12px 7px;vertical-align:middle}
.table td:last-child,.table th:last-child{text-align:right}
.table .num{text-align:right;white-space:nowrap;font-family:var(--font-mono);font-size:.75rem}
.table .code-name{font-family:var(--font-mono);font-size:.72rem;word-break:break-word}
.limitation{margin-top:18px;padding:13px 15px;border:1px solid var(--line);background:var(--subtle);border-radius:6px;font-size:.84rem;line-height:1.55}
.limitation .label{display:block;margin-bottom:4px}
.caption{font-size:.76rem;line-height:1.5;color:var(--muted);margin-top:12px;margin-bottom:0}
.section{padding-block:80px}
.section-white{background:var(--white);border-block:1px solid var(--line)}
.section-heading{display:flex;flex-direction:column;gap:10px;max-width:780px;margin-bottom:32px}
.section-heading p{margin:0;max-width:72ch}
.two-up{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.scope-panel{padding:30px 28px;background:var(--paper);border:1px solid var(--line);border-radius:8px}
.scope-panel h3{margin-bottom:22px}
.clean-list{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:15px}
.clean-list li{display:grid;grid-template-columns:18px 1fr;gap:12px;color:#2B3D49;line-height:1.52}
.list-mark{font-family:var(--font-mono);color:var(--teal-text);font-weight:600}
.list-mark.negative{color:var(--secondary)}
.project{border-color:var(--line-strong);padding:32px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:44px;align-items:start}
.project-summary{display:flex;flex-direction:column;gap:19px}
.project-title{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.project-title h3{font-size:2.55rem;color:var(--navy)}
.project-title h3 span{color:var(--teal)}
.project-summary .lead{margin:0;font-size:1.1rem}
.project-summary .clean-list{gap:13px}
.terminal{background:var(--navy-deep);color:#eef2ef;border-radius:8px;overflow:hidden}
.terminal-top{font-size:.74rem;color:#a9bac4;border-bottom:1px solid #1F4059;padding:12px 16px}
pre{margin:0;max-width:100%;white-space:pre;overflow:auto;padding:20px;font-size:.77rem;line-height:1.95;font-family:var(--font-mono)}
.terminal .prompt{color:#6FB0B4}
.project-aside{display:flex;flex-direction:column;gap:14px;min-width:0}
.status-box{padding:15px 18px;border:1px solid var(--line);border-radius:6px;background:var(--subtle);font-size:.85rem;line-height:1.6}
.status-box .label{display:block;margin-bottom:6px}
.agenda{margin-top:20px;padding:8px;background:white;border:1px solid var(--line);border-radius:8px}
.agenda .table{min-width:600px;font-size:.88rem}
.agenda .table td,.agenda .table th{padding:16px 14px}
.agenda .table td:nth-child(2){white-space:nowrap}
.agenda .table td:last-child,.agenda .table th:last-child{text-align:left}
.evidence-levels{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:13px}
.level{border:1px dashed var(--line-strong);background:#fff;padding:18px 15px;border-radius:8px;min-height:155px}
.level.dim{background:var(--subtle);border-style:solid;border-color:var(--line)}
.level.current{border:2px solid var(--navy)}
.level strong{display:block;font-size:.93rem;line-height:1.35;margin-top:8px}
.level p{font-size:.81rem;line-height:1.5;margin:8px 0 0}
.doc-links{display:flex;gap:14px 30px;flex-wrap:wrap;margin-top:32px}
.doc-links a{font-weight:600;font-size:.93rem}
.contribute-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:56px;align-items:start}
.contribute-grid .lead{max-width:58ch}
.review-panel{padding:25px 28px}
.review-panel .clean-list{margin-top:14px;margin-bottom:24px}
.site-footer{border-top:1px solid var(--line);background:white}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:50px;padding-block:50px 40px}
.footer-brand{width:235px;display:block;margin-bottom:18px}
.footer-grid p{font-size:.86rem;line-height:1.6;max-width:52ch}
.footer-column{display:flex;flex-direction:column;gap:9px}
.footer-column b{margin-bottom:6px}
.footer-column a{font-size:.92rem}
.footer-bottom{border-top:1px solid var(--line);padding-block:18px 26px;display:flex;justify-content:space-between;gap:16px;color:var(--muted);font-family:var(--font-mono);font-size:.71rem}
@media(max-width:1050px){.desktop-nav{gap:13px}.desktop-nav a{font-size:.83rem}.brand img{width:178px}.hero{gap:32px}.evidence-levels{grid-template-columns:repeat(3,1fr)}}
@media(max-width:820px){.container{width:min(calc(100% - 48px),var(--container))}.nav-shell{min-height:76px}.desktop-nav{display:none}.mobile-nav{display:block}.hero{grid-template-columns:1fr;padding-block:65px 62px;gap:42px}.hero-copy{max-width:660px}.project,.contribute-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1.5fr 1fr;gap:36px}.footer-grid .footer-column:last-child{grid-column:2}.section{padding-block:64px}}
@media(max-width:600px){.container{width:calc(100% - 36px)}.brand img{width:170px}.hero{padding-block:52px}.hero-copy{gap:19px}h1{font-size:clamp(2.35rem,10.5vw,3.1rem)}.section{padding-block:52px}.two-up{grid-template-columns:1fr}.scope-panel{padding:23px 20px}.project{padding:22px 18px;gap:28px}.project-title h3{font-size:2.25rem}.evidence-body{padding:15px}.evidence-levels{grid-template-columns:repeat(2,minmax(0,1fr))}.level{min-height:137px}.agenda .table{min-width:580px}.footer-grid{grid-template-columns:1fr;gap:24px}.footer-grid .footer-column:last-child{grid-column:auto}.footer-bottom{flex-direction:column}.review-panel{padding:21px 20px}}
@media(max-width:370px){.evidence-levels{grid-template-columns:1fr}.btn{width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn{transition:none}.btn:hover{transform:none}}

/* Window breathing room — give the site a deliberate inset instead of
   allowing the header/sections/footer to sit flush against browser edges.
   Outer space is decorative; content remains inside its own max-width grid. */
:root{--window-gutter:clamp(12px,1.5vw,28px)}
html{background:#E9EEEB;scroll-padding-top:calc(120px + var(--window-gutter))}
body{
  margin:var(--window-gutter);
  border:1px solid var(--line);
  border-radius:10px;
  box-shadow:0 12px 42px rgba(7,27,46,.06);
}
.site-header{top:var(--window-gutter);border-radius:9px 9px 0 0}
.nav-shell{padding-block:12px}
.site-footer{border-radius:0 0 9px 9px}
@media(max-width:600px){
  :root{--window-gutter:8px}
  .nav-shell{padding-block:9px}
}


/* Field-notes editorial refresh, October 2026.
   Keep OEM's approved navy/teal logo and accessible layout; move attention
   from corporate-looking cards to the problem, experiment, and person. */
.workshop-hero{grid-template-columns:minmax(0,1.12fr) minmax(340px,.88fr);gap:clamp(24px,6vw,84px);align-items:center;padding-block:104px 92px}
.workshop-hero .hero-copy{gap:20px}
.workshop-hero h1{max-width:850px;font-size:clamp(3.1rem,5.5vw,5.6rem);font-weight:600;letter-spacing:-.048em;line-height:1.05}
.workshop-hero h1 em{color:var(--teal-text);font-weight:500}
.workshop-hero .lead{max-width:61ch;margin:0}
.workshop-hero .lead + .lead{font-size:1.04rem;color:var(--muted)}
.scratch-paper{background:#F7F6EF;border:1px solid #B6C0BB;border-radius:2px;padding:32px clamp(20px,3vw,42px) 24px;transform:rotate(-.8deg);box-shadow:7px 8px 0 #E2E8E3;min-width:0;position:relative}
.scratch-paper:before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.48;background:repeating-linear-gradient(to bottom,transparent 0,transparent 29px,#D6E1DB 30px)}
.scratch-paper>*{position:relative}
.scratch-top{display:flex;justify-content:space-between;gap:8px;color:var(--muted);font-size:.77rem}
.scratch-prompt{font-family:var(--font-display);font-size:clamp(1.35rem,2vw,1.75rem);font-weight:600;color:var(--navy);margin:44px 0 30px}
.underlined{text-decoration:underline;text-decoration-color:var(--teal);text-decoration-thickness:3px;text-underline-offset:5px}
.scratch-equation{font-family:Georgia,"Times New Roman",serif;font-size:clamp(1.12rem,2vw,1.58rem);color:var(--navy);line-height:1.65;overflow-wrap:anywhere;margin:0 0 25px}
.scratch-annotation{font-family:Georgia,serif;font-style:italic;font-size:1.17rem;color:var(--teal-text);max-width:29ch;margin:0 0 26px}
.scratch-rule{height:1px;background:#BBC6BF;margin:35px 0 15px}
.scratch-signoff{color:var(--ink);font-size:.89rem;margin:0}
.experiment-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.experiment{display:flex;flex-direction:column;min-height:290px;padding:27px 25px 24px;background:var(--paper);border:1px solid var(--line);border-top:3px solid #839C9B}
.experiment-escape{border-top-color:var(--navy);background:#F2F5F3}
.exp-num{font-family:var(--font-mono);font-size:.72rem;font-weight:500;letter-spacing:.05em;color:var(--teal-text)}
.experiment h3{font-size:clamp(1.22rem,1.8vw,1.6rem);margin:21px 0 14px;line-height:1.22}
.experiment p{font-size:.95rem;line-height:1.56;margin:0 0 24px}
.experiment-result{margin-top:auto;padding-top:16px;border-top:1px solid var(--line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;align-items:center}
.experiment-result code{font-family:var(--font-mono);font-size:.72rem;white-space:nowrap}
.chip-fail{background:#F6E8E6;color:#852F22;border-color:#BD7367}
.chip-warning{background:#E8EDE9;color:var(--navy);border-color:var(--navy)}
.method-footnote{font-size:.83rem;line-height:1.6;color:var(--muted);max-width:100ch;margin:17px 0 0}
.project-entry{margin-top:57px;padding:34px 0 0;border-top:1px solid var(--line);display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:48px;align-items:center}
.project-entry h3{font-size:clamp(1.7rem,2.8vw,2.6rem);margin:11px 0 15px}
.project-entry p{max-width:55ch;margin-bottom:20px}
.tiny-tag{font-family:var(--font-mono);font-size:.68rem;color:var(--muted);font-weight:400;white-space:normal;letter-spacing:0}
.project-entry .terminal{min-width:0}
.note-list{border-top:1px solid var(--navy)}
.note-row{display:grid;grid-template-columns:minmax(110px,.7fr) minmax(0,3fr) auto;align-items:center;gap:24px;padding:25px 16px;text-decoration:none;color:var(--ink);border-bottom:1px solid var(--line);transition:background .15s ease}
.note-row:hover{background:#EFF2EF;color:var(--ink)}
.note-row strong{display:block;font-family:var(--font-display);font-size:1.24rem;line-height:1.3;font-weight:600}
.note-row small{display:block;color:var(--muted);font-size:.89rem;margin-top:4px}
.note-row .mono{color:var(--teal-text)}
.about-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(300px,.75fr);gap:clamp(38px,7vw,120px);align-items:start}
.about-grid h2{margin:13px 0 25px;max-width:20ch;line-height:1.17}
.about-grid p{max-width:65ch}
.about-grid .lead{color:var(--ink)}
.roots-panel{border-left:3px solid var(--teal);padding-left:24px;display:flex;flex-direction:column;gap:18px}
.roots-panel .eyebrow{margin-bottom:0}
.roots-panel p{margin:0}
.roots-panel a{display:block;border-top:1px solid var(--line);padding-top:17px;text-decoration:none;color:var(--navy)}
.roots-panel a:hover strong{text-decoration:underline}
.roots-panel a strong,.roots-panel a small{display:block}
.roots-panel a small{color:var(--muted);margin-top:5px;line-height:1.5}
.site-footer .footer-grid p{max-width:55ch}
@media(max-width:1050px){
  .workshop-hero{grid-template-columns:minmax(0,1fr) minmax(300px,.9fr);gap:32px}
  .scratch-paper{padding:25px 22px}
  .experiment{padding:24px 20px}
}
@media(max-width:820px){
  .workshop-hero{grid-template-columns:1fr;padding-block:65px 68px}
  .scratch-paper{max-width:600px;margin-top:8px}
  .experiment-grid{grid-template-columns:1fr 1fr}
  .experiment-escape{grid-column:1 / -1;min-height:210px}
  .project-entry{grid-template-columns:1fr;gap:24px}
  .about-grid{grid-template-columns:1fr;gap:40px}
  .roots-panel{max-width:600px}
}
@media(max-width:600px){
  .workshop-hero{padding-block:52px 58px}
  .workshop-hero h1{font-size:clamp(2.65rem,11vw,4.1rem)}
  .workshop-hero .lead{font-size:1.03rem}
  .scratch-paper{transform:none;box-shadow:4px 5px 0 #E2E8E3}
  .experiment-grid{grid-template-columns:1fr}
  .experiment-escape{grid-column:auto}
  .experiment{min-height:0}
  .project-entry{margin-top:36px}
  .note-row{grid-template-columns:1fr auto;gap:10px 16px;padding:20px 8px}
  .note-row>.mono{grid-column:1 / -1}
  .note-row strong{font-size:1.12rem}
}
@media(prefers-reduced-motion:reduce){.note-row{transition:none}}


/* Technical field notes: long-form reading without a corporate card stack. */
.note-article{max-width:950px;padding-block:48px 90px}
.back-link{font-family:var(--font-mono);font-size:.82rem;text-decoration:none}
.article-head{border-bottom:1px solid var(--line-strong);padding:50px 0 36px;margin-bottom:38px}
.article-head h1{font-size:clamp(2.5rem,5.5vw,4.7rem);max-width:900px;margin:13px 0 22px}
.article-head h1 em{color:var(--teal-text)}
.article-head .lead{max-width:65ch}
.byline{font-family:var(--font-mono);font-size:.78rem;color:var(--muted);margin:24px 0 0}
.article-prose{max-width:740px;margin-inline:auto}
.article-prose h2{font-size:clamp(1.55rem,2.5vw,2.05rem);margin:50px 0 16px;max-width:30ch}
.article-prose p{font-size:1.07rem;line-height:1.85;margin:0 0 19px}
.article-prose code{font-family:var(--font-mono);font-size:.85em;color:var(--navy)}
.equation-panel{padding:27px 30px;margin:26px 0 30px;background:#F3F5F0;border-left:3px solid var(--teal);overflow-x:auto}
.equation-panel .label{display:block;margin-bottom:14px}
.equation-panel .formula{font-family:Georgia,serif;font-size:clamp(1.15rem,2vw,1.58rem);white-space:normal;margin-bottom:15px;color:var(--navy)}
.worked-equation{font-size:.87rem;line-height:1.8;overflow-wrap:anywhere;color:var(--ink)}
.escape-panel{background:#EAF0EA;border-left-color:var(--navy)}
.escape-panel p{margin:14px 0 0;display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.source-strip{border-top:1px solid var(--line-strong);border-bottom:1px solid var(--line);padding:28px 0;margin-top:65px}
.source-strip p{max-width:75ch}
.source-strip .doc-links{margin-top:18px}
.article-end{margin-top:25px;font-family:var(--font-mono);font-size:.82rem}
@media(max-width:600px){
  .note-article{padding-block:32px 60px}
  .article-head{padding:30px 0 24px}
  .article-head h1{font-size:clamp(2.2rem,10vw,3.2rem)}
  .article-prose p{font-size:1rem;line-height:1.75}
  .equation-panel{padding:19px 16px}
  .worked-equation{font-size:.75rem}
}