:root{--note-serif:Georgia,"Times New Roman",serif;--note-ink:#172433;--note-brass:#a87937;--note-paper:#fbfaf6;--note-soft:#f2eee5;--note-rule:#d9d4ca}
body.notebook{background:var(--note-paper);color:var(--note-ink)}
.notebook .site-header.wrap{background:rgba(251,250,246,.96)}
.notebook .brand{font-family:var(--note-serif);font-size:21px;font-weight:600}
.notebook .brand span{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:10px;text-transform:uppercase;letter-spacing:.14em;margin-left:10px;font-weight:700;color:var(--slate)}
.note-hero{padding:72px 0 58px}
.note-hero-grid{display:grid;grid-template-columns:minmax(0,1.28fr) minmax(280px,.72fr);gap:64px;align-items:center}
.note-kicker,.note-label{font-size:10px;text-transform:uppercase;letter-spacing:.16em;font-weight:780;color:var(--slate);display:flex;gap:11px;align-items:center}
.note-kicker:before,.note-label:before{content:"";width:30px;height:1px;background:var(--brass)}
.note-hero h1{font-family:var(--note-serif);font-size:clamp(43px,4.5vw,56px);line-height:1.02;letter-spacing:-.036em;font-weight:500;margin:18px 0 22px;max-width:820px}
.note-hero h1 em{font-style:normal;color:var(--note-brass)}
.note-hero-copy{font-size:19px;line-height:1.68;color:#46505a;max-width:760px;margin:0}
.note-hero-meta{display:flex;gap:20px;align-items:center;margin-top:28px;flex-wrap:wrap}
.note-text-link{font-size:14px;color:var(--slate);border-bottom:1px solid #b9b3a8;padding-bottom:2px;font-weight:650}
.note-text-link:hover{border-color:var(--slate)}
.note-sketch{border-left:1px solid var(--note-rule);padding-left:38px}
.note-sketch svg{width:100%;height:auto;display:block}
.note-sketch-copy{font-family:var(--note-serif);font-size:19px;line-height:1.45;color:#384754;margin:18px 0 0}
.note-section{padding:56px 0;border-top:1px solid var(--note-rule)}
.note-section-head{display:grid;grid-template-columns:165px 1fr;gap:42px;margin-bottom:32px;align-items:start}
.note-section-head h2{font-family:var(--note-serif);font-size:35px;line-height:1.12;letter-spacing:-.025em;font-weight:500;margin:0;max-width:850px}
.note-section-head p{font-size:17px;line-height:1.7;color:var(--muted);max-width:780px;margin:10px 0 0}
.current-note{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);gap:56px}
.current-note h2{font-family:var(--note-serif);font-size:40px;line-height:1.08;letter-spacing:-.03em;font-weight:500;margin:12px 0 20px;max-width:720px}
.current-note p{font-size:18px;line-height:1.72;color:#46505a;margin:0 0 18px}
.current-note aside{border-left:1px solid var(--note-rule);padding-left:34px}
.current-note aside strong{display:block;font-family:var(--note-serif);font-size:22px;line-height:1.25;font-weight:500;margin-bottom:13px}
.current-note aside p{font-size:15px;line-height:1.65;color:var(--muted)}
.watch-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--ink)}
.watch-item{padding:26px 28px 0 0;margin-right:28px;border-right:1px solid var(--note-rule)}
.watch-item:last-child{border-right:0;margin-right:0}
.watch-num{font-size:11px;letter-spacing:.12em;color:var(--brass);font-weight:760}
.watch-item h3{font-family:var(--note-serif);font-size:26px;line-height:1.18;letter-spacing:-.02em;font-weight:500;margin:12px 0 12px}
.watch-item p{font-size:16px;line-height:1.64;color:var(--muted);margin:0 0 18px}
.model-teaser{display:grid;grid-template-columns:minmax(0,.85fr) minmax(420px,1.15fr);gap:54px;align-items:center;padding:38px 0}
.model-teaser h2{font-family:var(--note-serif);font-size:38px;line-height:1.08;font-weight:500;letter-spacing:-.025em;margin:12px 0 16px}
.model-teaser p{font-size:17px;line-height:1.68;color:var(--muted);margin:0 0 22px}
.model-line{border-top:1px solid var(--ink);border-bottom:1px solid var(--note-rule);padding:24px 0}
.model-dimensions{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.model-dimension{font-size:12px;line-height:1.35;text-align:center;color:#4e565c}
.model-dot{width:8px;height:8px;border-radius:50%;background:var(--brass);margin:12px auto}
.model-outcomes{margin-top:20px;padding:15px 18px;background:var(--note-soft);font-size:12px;letter-spacing:.08em;text-transform:uppercase;text-align:center;color:var(--slate);word-spacing:10px}
.field-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--ink)}
.field-note{padding:25px 28px 0 0;margin-right:28px;border-right:1px solid var(--note-rule)}
.field-note:last-child{border-right:0;margin-right:0}
.field-note small{font-size:10px;text-transform:uppercase;letter-spacing:.11em;color:var(--slate);font-weight:760}
.field-note h3{font-family:var(--note-serif);font-size:25px;line-height:1.2;font-weight:500;letter-spacing:-.018em;margin:11px 0 12px}
.field-note p{font-size:15px;line-height:1.62;color:var(--muted);margin:0 0 15px}
.field-proof{font-size:14px;line-height:1.5;color:var(--slate);font-weight:680;border-top:1px solid var(--note-rule);padding-top:13px;margin-top:17px}
.notes-list{border-top:1px solid var(--ink)}
.note-row{display:grid;grid-template-columns:165px 1fr 28px;gap:30px;padding:25px 0;border-bottom:1px solid var(--note-rule);align-items:start}
.note-row small{font-size:10px;text-transform:uppercase;letter-spacing:.11em;color:var(--slate);font-weight:760;padding-top:5px}
.note-row h3{font-family:var(--note-serif);font-size:24px;line-height:1.3;font-weight:500;letter-spacing:-.018em;margin:0 0 6px}
.note-row p{font-size:15px;line-height:1.58;color:var(--muted);margin:0;max-width:760px}
.note-row .arrow{color:var(--brass);font-size:19px}
.engage-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--ink)}
.engage-item{padding:24px 24px 0 0;margin-right:24px;border-right:1px solid var(--note-rule)}
.engage-item:last-child{border-right:0;margin-right:0}
.engage-item small{font-size:10px;color:var(--brass);letter-spacing:.1em;font-weight:750}
.engage-item h3{font-family:var(--note-serif);font-size:20px;line-height:1.3;font-weight:500;margin:10px 0 9px}
.engage-item p{font-size:14px;line-height:1.58;color:var(--muted);margin:0}
.engage-note{font-family:var(--note-serif);font-size:24px;line-height:1.45;max-width:900px;margin:34px 0 0;padding-left:24px;border-left:2px solid var(--brass);color:#36434b}
.quiet-footer{padding:30px 0 44px;border-top:1px solid var(--note-rule);display:grid;grid-template-columns:1fr 1fr auto;gap:35px;align-items:end}
.quiet-footer strong{font-family:var(--note-serif);font-size:20px;font-weight:500}
.quiet-footer p{font-size:13px;line-height:1.55;color:var(--muted);margin:0}
.quiet-footer nav{display:flex;gap:18px;font-size:12px;color:var(--slate)}
.collection-hero{padding:68px 0 46px;border-bottom:1px solid var(--note-rule)}
.collection-hero h1{font-family:var(--note-serif);font-size:48px;line-height:1.05;font-weight:500;letter-spacing:-.035em;margin:15px 0 18px}
.collection-hero p{font-size:19px;line-height:1.68;color:#49545b;max-width:800px;margin:0}
.about-lead{font-family:var(--note-serif);font-size:31px;line-height:1.45;letter-spacing:-.018em;max-width:930px;margin:0}
.about-evidence{border-top:1px solid var(--ink)}
.about-evidence-row{display:grid;grid-template-columns:180px 1fr;gap:34px;padding:20px 0;border-bottom:1px solid var(--note-rule)}
.about-evidence-row strong{font-family:var(--note-serif);font-size:25px;font-weight:500;color:var(--slate)}
.about-evidence-row p{font-size:16px;line-height:1.65;color:var(--muted);margin:0}
.model-shell{width:min(980px,calc(100% - 40px));margin:auto}
.model-hero{padding:68px 0 42px;border-bottom:1px solid var(--note-rule)}
.model-hero h1{font-family:var(--note-serif);font-size:48px;line-height:1.06;font-weight:500;letter-spacing:-.035em;margin:15px 0 16px}
.model-hero p{font-size:19px;line-height:1.68;color:#49545b;max-width:780px;margin:0}
.decision-tool{padding:46px 0 72px}
.decision-intro{font-size:17px;line-height:1.7;color:var(--muted);max-width:780px;margin:0 0 32px}
.decision-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px 38px}
.decision-control{border-top:1px solid var(--note-rule);padding-top:15px}
.decision-control label{display:flex;justify-content:space-between;gap:20px;font-size:15px;font-weight:680;color:var(--note-ink)}
.decision-control label span{font-size:12px;color:var(--slate);font-weight:700}
.decision-control p{font-size:13px;line-height:1.5;color:var(--muted);margin:7px 0 12px}
.decision-control input[type=range]{width:100%;accent-color:var(--brass)}
.decision-result{margin-top:38px;border-top:1px solid var(--ink);padding-top:25px;display:grid;grid-template-columns:220px 1fr;gap:34px}
.decision-direction small{display:block;font-size:10px;text-transform:uppercase;letter-spacing:.12em;color:var(--slate);font-weight:760;margin-bottom:8px}
.decision-direction strong{font-family:var(--note-serif);font-size:33px;line-height:1.1;font-weight:500;color:var(--slate)}
.decision-reason h3{font-family:var(--note-serif);font-size:22px;font-weight:500;margin:0 0 10px}
.decision-reason p{font-size:16px;line-height:1.65;color:var(--muted);margin:0}
.decision-secondary{font-size:13px;color:var(--slate);margin-top:14px;font-weight:650}
.model-disclaimer{font-size:12px;line-height:1.55;color:var(--muted);border-top:1px solid var(--note-rule);margin-top:30px;padding-top:16px}
@media(max-width:900px){.note-hero-grid,.current-note,.model-teaser{grid-template-columns:1fr;gap:34px}.note-sketch{border-left:0;border-top:1px solid var(--note-rule);padding:28px 0 0}.note-section-head{grid-template-columns:1fr;gap:10px}.watch-grid,.field-grid,.engage-grid{grid-template-columns:1fr}.watch-item,.field-note,.engage-item{border-right:0;margin-right:0;padding:22px 0;border-bottom:1px solid var(--note-rule)}.model-dimensions{grid-template-columns:1fr 1fr}.quiet-footer{grid-template-columns:1fr}.decision-grid{grid-template-columns:1fr}.decision-result{grid-template-columns:1fr}.about-evidence-row{grid-template-columns:1fr;gap:7px}}
@media(max-width:620px){.note-hero{padding:52px 0 42px}.note-hero h1{font-size:42px}.note-hero-copy{font-size:17px}.current-note h2{font-size:34px}.note-section{padding:50px 0}.note-row{grid-template-columns:1fr 22px}.note-row small{grid-column:1/3}.note-row p{grid-column:1}.collection-hero h1,.model-hero h1{font-size:40px}.about-lead{font-size:26px}.model-dimensions{grid-template-columns:1fr}.engage-note{font-size:21px}}

/* Refinement pass */
.hero-question{border-left:1px solid var(--note-rule);padding:12px 0 12px 32px;align-self:center}
.hero-question blockquote{font-family:var(--note-serif);font-size:27px;line-height:1.34;letter-spacing:-.018em;font-weight:500;color:#2d3a44;margin:18px 0}
.hero-question p{font-size:15px;line-height:1.68;color:var(--muted);margin:0;max-width:390px}

.watch-list{border-top:1px solid var(--ink)}
.watch-row{display:grid;grid-template-columns:54px minmax(0,1fr) auto;gap:24px;align-items:center;padding:23px 0;border-bottom:1px solid var(--note-rule)}
.watch-row h3{font-family:var(--note-serif);font-size:24px;line-height:1.22;letter-spacing:-.018em;font-weight:500;margin:0 0 6px}
.watch-row p{font-size:15.5px;line-height:1.62;color:var(--muted);margin:0;max-width:760px}
.watch-row .note-text-link{white-space:nowrap}

.model-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--ink);border-bottom:1px solid var(--note-rule)}
.model-groups>div{padding:18px 16px;border-right:1px solid var(--note-rule)}
.model-groups>div:last-child{border-right:0}
.model-groups small{display:block;font-size:10px;line-height:1.3;text-transform:uppercase;letter-spacing:.1em;color:var(--brass);font-weight:760;margin-bottom:7px}
.model-groups strong{display:block;font-family:var(--note-serif);font-size:17px;line-height:1.35;font-weight:500;color:var(--note-ink)}

.field-grid-two{grid-template-columns:repeat(2,1fr)}
.field-grid-two .field-note{padding-right:42px;margin-right:42px}
.field-grid-two .field-note:last-child{padding-right:0;margin-right:0}

.engage-editorial{display:grid;grid-template-columns:minmax(280px,.8fr) minmax(0,1.2fr);gap:54px;border-top:1px solid var(--ink);padding-top:24px}
.engage-primary{padding-right:38px;border-right:1px solid var(--note-rule)}
.engage-primary small{font-size:10px;text-transform:uppercase;letter-spacing:.12em;color:var(--brass);font-weight:760}
.engage-primary h3{font-family:var(--note-serif);font-size:29px;line-height:1.2;font-weight:500;letter-spacing:-.02em;margin:10px 0 10px}
.engage-primary p{font-size:16px;line-height:1.65;color:var(--muted);margin:0}
.engage-secondary{display:grid}
.engage-secondary>div{display:grid;grid-template-columns:180px 1fr;gap:22px;padding:14px 0;border-bottom:1px solid var(--note-rule)}
.engage-secondary>div:first-child{padding-top:0}
.engage-secondary strong{font-family:var(--note-serif);font-size:17px;font-weight:500}
.engage-secondary span{font-size:14px;line-height:1.55;color:var(--muted)}

.notebook a,.notebook button,.notebook input{transition:border-color .14s ease,color .14s ease,background-color .14s ease,opacity .14s ease}
.notebook a:focus-visible,.notebook button:focus-visible,.notebook input:focus-visible{outline:2px solid var(--brass);outline-offset:4px;border-radius:2px}
.notebook .button,.notebook .site-nav a{min-height:44px;display:inline-flex;align-items:center}
.notebook .note-text-link{min-height:32px;display:inline-flex;align-items:center}

.decision-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,.52fr);gap:54px;align-items:start}
.decision-groups{display:grid;gap:30px}
.decision-group{border-top:1px solid var(--ink);padding-top:18px}
.decision-group-head{display:flex;align-items:baseline;justify-content:space-between;gap:18px;margin-bottom:14px}
.decision-group-head h2{font-family:var(--note-serif);font-size:22px;line-height:1.2;font-weight:500;margin:0}
.decision-group-head span{font-size:10px;text-transform:uppercase;letter-spacing:.1em;color:var(--brass);font-weight:760}
.decision-group .decision-grid{grid-template-columns:1fr 1fr;gap:20px 28px}
.range-ends{display:flex;justify-content:space-between;font-size:10px;color:var(--muted);margin-top:3px}
.decision-result-panel{position:sticky;top:96px;border-top:1px solid var(--ink);padding:22px 0 0}
.decision-result-panel .decision-result{display:block;margin:0;padding:0;border:0}
.decision-result-panel .decision-direction{padding-bottom:20px;border-bottom:1px solid var(--note-rule)}
.decision-result-panel .decision-direction strong{font-size:30px}
.decision-result-panel .decision-reason{padding-top:20px}
.decision-result-panel .decision-reason h3{font-size:20px}
.decision-reset{margin-top:22px;border:0;background:transparent;padding:0 0 3px;border-bottom:1px solid #b9b3a8;font-size:13px;color:var(--slate);cursor:pointer}
.decision-signal{margin-top:18px;padding:14px 16px;background:var(--note-soft);font-size:12px;line-height:1.55;color:#525b61}
.decision-signal strong{color:var(--note-ink)}

@media(max-width:900px){
  .hero-question{border-left:0;border-top:1px solid var(--note-rule);padding:26px 0 0}
  .watch-row{grid-template-columns:44px 1fr}
  .watch-row .note-text-link{grid-column:2;justify-self:start}
  .model-groups{grid-template-columns:1fr 1fr}
  .model-groups>div:nth-child(2){border-right:0}
  .model-groups>div:nth-child(-n+2){border-bottom:1px solid var(--note-rule)}
  .field-grid-two{grid-template-columns:1fr}
  .field-grid-two .field-note{padding:22px 0;margin:0;border-right:0;border-bottom:1px solid var(--note-rule)}
  .engage-editorial{grid-template-columns:1fr;gap:28px}
  .engage-primary{border-right:0;border-bottom:1px solid var(--note-rule);padding:0 0 24px}
  .decision-layout{grid-template-columns:1fr}
  .decision-result-panel{position:static}
  .notebook .site-nav{flex-wrap:wrap;overflow:visible;white-space:normal;gap:8px 18px}
  .notebook .site-nav a{min-height:38px}
}
@media(max-width:620px){
  .hero-question blockquote{font-size:23px}
  .watch-row{grid-template-columns:1fr;gap:8px}
  .watch-row .note-text-link{grid-column:1}
  .model-groups{grid-template-columns:1fr}
  .model-groups>div{border-right:0;border-bottom:1px solid var(--note-rule)}
  .model-groups>div:last-child{border-bottom:0}
  .engage-secondary>div{grid-template-columns:1fr;gap:5px}
  .decision-group .decision-grid{grid-template-columns:1fr}
}

/* Capability Decision UI cleanup */
.model-hero{padding:62px 0 36px}
.model-hero h1{font-size:46px;margin:14px 0 14px;max-width:760px}
.model-hero p{font-size:18px;max-width:760px}

.decision-tool{padding:38px 0 68px}
.decision-intro{max-width:720px;margin-bottom:36px;color:#596268}
.decision-layout{gap:46px}
.decision-groups{gap:26px}
.decision-group{padding-top:16px}
.decision-group-head{margin-bottom:16px}
.decision-group-head h2{font-size:21px}
.decision-group-head span{font-size:9.5px;color:#8a6b43}

.decision-group .decision-grid{gap:18px 26px}
.decision-control{padding:14px 0 2px;border-top:1px solid #e0dbd2}
.decision-control label{font-size:15.5px;line-height:1.35}
.decision-control label span{font-size:11px;padding-top:2px}
.decision-control p{font-size:13.5px;line-height:1.52;margin:7px 0 14px;min-height:41px}
.decision-control input[type=range]{
  -webkit-appearance:none;
  appearance:none;
  width:100%;
  height:22px;
  margin:0;
  background:transparent;
  cursor:pointer;
}
.decision-control input[type=range]::-webkit-slider-runnable-track{
  height:4px;
  background:#d7d0c5;
  border-radius:999px;
}
.decision-control input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;
  appearance:none;
  width:18px;
  height:18px;
  margin-top:-7px;
  border-radius:50%;
  border:2px solid var(--note-paper);
  background:var(--brass);
  box-shadow:0 0 0 1px #9b773f;
}
.decision-control input[type=range]::-moz-range-track{
  height:4px;
  background:#d7d0c5;
  border-radius:999px;
}
.decision-control input[type=range]::-moz-range-thumb{
  width:16px;
  height:16px;
  border-radius:50%;
  border:2px solid var(--note-paper);
  background:var(--brass);
  box-shadow:0 0 0 1px #9b773f;
}
.decision-control input[type=range]:focus-visible{outline:none}
.decision-control input[type=range]:focus-visible::-webkit-slider-thumb{box-shadow:0 0 0 1px #9b773f,0 0 0 4px rgba(173,135,83,.18)}
.decision-control input[type=range]:focus-visible::-moz-range-thumb{box-shadow:0 0 0 1px #9b773f,0 0 0 4px rgba(173,135,83,.18)}
.range-ends{margin-top:1px;font-size:9.5px;letter-spacing:.04em}

.decision-result-panel{
  top:92px;
  border-top:0;
  padding:24px 26px 26px;
  background:#f3efe7;
  border-left:2px solid var(--brass);
  box-shadow:0 1px 0 rgba(45,52,57,.04);
}
.decision-result-panel .decision-direction{padding-bottom:18px}
.decision-result-panel .decision-direction small{margin-bottom:9px;color:#6d6457}
.decision-result-panel .decision-direction strong{
  display:block;
  max-width:280px;
  font-size:28px;
  line-height:1.14;
  color:#2f4652;
}
.decision-result-panel .decision-reason{padding-top:18px}
.decision-result-panel .decision-reason h3{font-size:18px;margin-bottom:8px}
.decision-result-panel .decision-reason p{font-size:15px;line-height:1.6;color:#555e63}
.decision-signal{
  margin-top:16px;
  padding:12px 0 0;
  background:transparent;
  border-top:1px solid #d8d1c6;
  font-size:12px;
}
.decision-secondary{font-size:12.5px;line-height:1.55;margin-top:14px}
.decision-reset{margin-top:20px;font-size:12px;min-height:32px}
.model-disclaimer{max-width:720px;margin-top:34px}
@media(max-width:900px){
  .decision-result-panel{padding:22px 22px 24px}
  .decision-control p{min-height:0}
}
@media(max-width:620px){
  .model-hero{padding:50px 0 30px}
  .model-hero h1{font-size:38px}
  .decision-tool{padding:30px 0 56px}
  .decision-result-panel{padding:20px 18px 22px}
  .decision-result-panel .decision-direction strong{font-size:26px}
}

/* Models index */
.models-hero{padding-bottom:40px}
.models-hero h1{max-width:880px}
.models-feature{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(300px,.72fr);gap:64px;align-items:start}
.models-feature-copy h2{font-family:var(--note-serif);font-size:40px;line-height:1.08;letter-spacing:-.027em;font-weight:500;margin:14px 0 18px}
.models-feature-copy p{font-size:17px;line-height:1.68;color:#4f5960;max-width:700px;margin:0 0 15px}
.models-feature-copy p strong{color:var(--note-ink);font-weight:650}
.model-choice-line{display:flex;flex-wrap:wrap;gap:8px 10px;margin:24px 0 26px;padding-top:18px;border-top:1px solid var(--note-rule)}
.model-choice-line span{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--slate);padding:6px 9px;border:1px solid #d3cec4;background:rgba(255,255,255,.34)}
.models-feature-map{border-top:1px solid var(--ink);padding-top:5px}
.model-axis-row{display:grid;grid-template-columns:130px 1fr;gap:20px;padding:15px 0;border-bottom:1px solid var(--note-rule)}
.model-axis-row small{font-size:10px;text-transform:uppercase;letter-spacing:.1em;color:var(--brass);font-weight:760;padding-top:3px}
.model-axis-row strong{font-family:var(--note-serif);font-size:17px;line-height:1.4;font-weight:500;color:var(--note-ink)}
.models-feature-map>p{font-size:13px;line-height:1.58;color:var(--muted);margin:16px 0 0}

.model-principles{border-top:1px solid var(--ink)}
.model-principle{display:grid;grid-template-columns:52px minmax(0,1fr);gap:22px;padding:20px 0;border-bottom:1px solid var(--note-rule)}
.model-principle>span{font-size:10px;letter-spacing:.12em;color:var(--brass);font-weight:760;padding-top:5px}
.model-principle h3{font-family:var(--note-serif);font-size:22px;line-height:1.3;font-weight:500;margin:0 0 6px}
.model-principle p{font-size:15.5px;line-height:1.62;color:var(--muted);margin:0;max-width:780px}

.model-roadmap{border-top:1px solid var(--ink)}
.model-roadmap-row{display:grid;grid-template-columns:minmax(260px,.8fr) minmax(0,1.1fr) 110px;gap:34px;padding:22px 0;border-bottom:1px solid var(--note-rule);align-items:start}
.model-roadmap-row small{font-size:10px;text-transform:uppercase;letter-spacing:.1em;color:var(--brass);font-weight:760}
.model-roadmap-row h3{font-family:var(--note-serif);font-size:21px;line-height:1.3;font-weight:500;margin:6px 0 0}
.model-roadmap-row p{font-size:15px;line-height:1.62;color:var(--muted);margin:0}
.model-roadmap-row>span{font-size:10px;text-transform:uppercase;letter-spacing:.1em;color:var(--slate);text-align:right;padding-top:3px}

.models-closing{padding-bottom:68px}
.models-closing blockquote{font-family:var(--note-serif);font-size:29px;line-height:1.42;letter-spacing:-.018em;font-weight:500;color:#34434c;max-width:900px;margin:20px 0 16px;padding-left:24px;border-left:2px solid var(--brass)}
.models-closing>p{font-size:16px;line-height:1.65;color:var(--muted);max-width:780px;margin:0}

@media(max-width:900px){
  .models-feature{grid-template-columns:1fr;gap:34px}
  .model-roadmap-row{grid-template-columns:1fr;gap:8px}
  .model-roadmap-row>span{text-align:left;padding-top:4px}
}
@media(max-width:620px){
  .models-feature-copy h2{font-size:34px}
  .model-axis-row{grid-template-columns:1fr;gap:4px}
  .models-closing blockquote{font-size:24px;padding-left:18px}
}

/* Capability model clarity */
.decision-start{display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,.75fr);gap:46px;padding:0 0 32px;border-bottom:1px solid var(--note-rule);margin-bottom:28px}
.decision-start-copy h2{font-family:var(--note-serif);font-size:28px;line-height:1.24;font-weight:500;letter-spacing:-.018em;margin:12px 0 10px}
.decision-start-copy p{font-size:15.5px;line-height:1.62;color:var(--muted);margin:0}
.decision-steps{display:grid;gap:0;border-top:1px solid var(--ink)}
.decision-steps>div{display:grid;grid-template-columns:28px 1fr;gap:12px;padding:12px 0;border-bottom:1px solid var(--note-rule);align-items:start}
.decision-steps strong{font-size:11px;line-height:1.4;color:var(--brass);font-weight:760}
.decision-steps span{font-size:13.5px;line-height:1.5;color:#4f5960}
.capability-input-wrap{padding:0 0 32px;margin-bottom:28px;border-bottom:1px solid var(--note-rule)}
.capability-input-wrap>label{display:block;font-size:13px;font-weight:720;color:var(--note-ink);margin-bottom:8px}
.capability-input-row{display:grid;grid-template-columns:1fr auto;gap:10px;max-width:720px}
.capability-input-row input{width:100%;min-height:46px;border:1px solid #cfc8bd;background:#fffdf8;padding:0 14px;font-size:15px;color:var(--note-ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif}
.capability-input-row button{min-height:46px;border:1px solid #cfc8bd;background:transparent;padding:0 15px;font-size:12.5px;color:var(--slate);cursor:pointer}
.capability-input-row button:hover{background:var(--note-soft)}
.capability-input-wrap>p{font-size:12.5px;line-height:1.5;color:var(--muted);margin:9px 0 0;max-width:720px}
.decision-interpretation{max-width:720px;margin-top:28px;padding:17px 19px;border-left:2px solid var(--brass);background:#f5f1e9}
.decision-interpretation>strong{display:block;font-family:var(--note-serif);font-size:17px;font-weight:500;margin-bottom:6px}
.decision-interpretation p{font-size:13.5px;line-height:1.58;color:#505960;margin:0}
.decision-interpretation b{color:#27343c}
@media(max-width:900px){.decision-start{grid-template-columns:1fr;gap:26px}}
@media(max-width:620px){.capability-input-row{grid-template-columns:1fr}.capability-input-row button{justify-self:start}}

.decision-driver-view{display:grid;gap:10px;margin:18px 0 4px;padding:14px 0;border-top:1px solid #d8d1c6;border-bottom:1px solid #d8d1c6}
.decision-driver{display:grid;grid-template-columns:116px 1fr 76px;gap:10px;align-items:center}
.decision-driver>span{font-size:11.5px;color:#4d585f}
.decision-driver>div{height:7px;background:#ddd7cc;position:relative;overflow:hidden}
.decision-driver i{display:block;height:100%;width:0;background:var(--brass);transition:width .18s ease}
.decision-driver b{font-size:10.5px;font-weight:700;color:#5c666c;text-align:right}
@media(max-width:620px){.decision-driver{grid-template-columns:1fr 70px}.decision-driver>div{grid-column:1/2}.decision-driver b{grid-column:2;grid-row:2}}

/* Unified typography + simplified capability choices */
:root{
  --note-serif:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
.notebook,
.notebook h1,.notebook h2,.notebook h3,.notebook h4,
.notebook .brand,.notebook blockquote,
.notebook .current-note h2,.notebook .watch-row h3,
.notebook .field-note h3,.notebook .note-row h3,
.notebook .engage-primary h3,.notebook .about-lead,
.notebook .about-evidence-row strong,.notebook .model-hero h1,
.notebook .models-feature-copy h2,.notebook .model-axis-row strong,
.notebook .model-principle h3,.notebook .model-roadmap-row h3,
.notebook .models-closing blockquote,.notebook .decision-group-head h2,
.notebook .decision-result-panel .decision-direction strong,
.notebook .decision-interpretation>strong{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
.notebook h1,.notebook h2,.notebook h3,.notebook blockquote{
  letter-spacing:-.025em;
}

.decision-start-simple{grid-template-columns:minmax(0,1fr) minmax(260px,.62fr)}
.decision-start-example{border-top:1px solid var(--ink);padding-top:15px}
.decision-start-example small{display:block;font-size:10px;text-transform:uppercase;letter-spacing:.1em;color:var(--brass);font-weight:760;margin-bottom:8px}
.decision-start-example strong{display:block;font-size:18px;line-height:1.35;font-weight:680;color:var(--note-ink);margin-bottom:7px}
.decision-start-example p{font-size:13.5px;line-height:1.55;color:var(--muted);margin:0}

.decision-question{padding:16px 0 2px}
.decision-question-text{font-size:15.5px!important;line-height:1.5!important;color:#26343b!important;font-weight:650!important;margin:0 0 13px!important;min-height:0!important}
.choice-set{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}
.choice-set button{
  min-height:44px;
  border:1px solid #cfc8bd;
  background:#fffdf8;
  color:#536067;
  padding:9px 10px;
  font:inherit;
  font-size:12px;
  line-height:1.25;
  cursor:pointer;
  border-radius:3px;
}
.choice-set button:hover{border-color:#9e9588;background:#f7f3ec}
.choice-set button.active{
  border-color:#304754;
  background:#304754;
  color:#fff;
  box-shadow:0 0 0 1px #304754 inset;
}
.choice-set button:focus-visible{outline:2px solid var(--brass);outline-offset:2px}
.decision-group .decision-grid{gap:22px 30px}
.decision-group{padding-top:20px}
.decision-group-head{margin-bottom:10px}
.decision-group-head h2{font-size:20px;font-weight:680}
.decision-result-panel .decision-direction strong{font-size:27px;font-weight:680}
.decision-reason h3{font-weight:680}
.decision-start-copy h2{font-size:27px;font-weight:680}
@media(max-width:900px){.decision-start-simple{grid-template-columns:1fr}}
@media(max-width:620px){
  .choice-set{grid-template-columns:1fr}
  .choice-set button{text-align:left;padding-left:13px}
}

.model-preview-steps{display:grid;border-top:1px solid var(--ink);border-bottom:1px solid var(--note-rule)}
.model-preview-steps>div{display:grid;grid-template-columns:34px 180px 1fr;gap:16px;align-items:start;padding:16px 0;border-bottom:1px solid var(--note-rule)}
.model-preview-steps>div:last-child{border-bottom:0}
.model-preview-steps small{font-size:10px;letter-spacing:.1em;color:var(--brass);font-weight:760;padding-top:3px}
.model-preview-steps strong{font-size:14px;line-height:1.4;color:var(--note-ink)}
.model-preview-steps span{font-size:13px;line-height:1.5;color:var(--muted)}
@media(max-width:620px){.model-preview-steps>div{grid-template-columns:30px 1fr}.model-preview-steps span{grid-column:2}}

/* Capability Boundary — transparent firm-boundary model */
.model-hero-dek{font-size:22px!important;line-height:1.45!important;font-weight:650;color:#2b3941!important;margin-bottom:10px!important}
.boundary-lineage{display:grid;grid-template-columns:minmax(0,.9fr) minmax(360px,1.1fr);gap:54px;align-items:start}
.boundary-lineage h2{font-size:30px;line-height:1.2;font-weight:700;margin:12px 0 12px}
.boundary-lineage p{font-size:16px;line-height:1.65;color:var(--muted);margin:0}
.boundary-lineage-list{border-top:1px solid var(--ink)}
.boundary-lineage-list a{display:grid;grid-template-columns:150px 1fr;gap:20px;padding:14px 0;border-bottom:1px solid var(--note-rule)}
.boundary-lineage-list small{font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:var(--brass);font-weight:760;padding-top:3px}
.boundary-lineage-list strong{font-size:14px;line-height:1.5;font-weight:650;color:#34424a}

.boundary-tool{padding:58px 0 70px;border-top:1px solid var(--note-rule)}
.boundary-tool-intro{max-width:780px;margin-bottom:34px}
.boundary-tool-intro h2{font-size:31px;line-height:1.2;font-weight:700;margin:12px 0 10px}
.boundary-tool-intro p{font-size:16px;line-height:1.65;color:var(--muted);margin:0}
.boundary-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,.78fr);gap:52px;align-items:start}
.boundary-inputs{display:grid;gap:0;border-top:1px solid var(--ink)}
.boundary-question{padding:21px 0 23px;border-bottom:1px solid var(--note-rule)}
.boundary-question-head{display:grid;grid-template-columns:34px 1fr;gap:12px;align-items:start}
.boundary-question-head>span{font-size:10px;letter-spacing:.1em;color:var(--brass);font-weight:760;padding-top:4px}
.boundary-question h3{font-size:18px;line-height:1.4;font-weight:700;margin:0}
.boundary-question>p{font-size:13.5px;line-height:1.58;color:var(--muted);margin:9px 0 14px;padding-left:46px}
.boundary-choice{display:flex;gap:8px;padding-left:46px}
.boundary-choice button{min-height:40px;border:1px solid #cec8bd;background:#fffdf8;padding:8px 13px;font-size:12px;color:#526067;cursor:pointer;border-radius:3px}
.boundary-choice button:hover{border-color:#8f887e}
.boundary-choice button.active{background:#304754;border-color:#304754;color:white}
.boundary-choice button:focus-visible{outline:2px solid var(--brass);outline-offset:2px}

.boundary-result{position:sticky;top:92px;background:#f4f0e8;border-left:2px solid var(--brass);padding:24px}
.boundary-result-head small{display:block;font-size:10px;text-transform:uppercase;letter-spacing:.1em;color:#756a5c;font-weight:760;margin-bottom:8px}
.boundary-result-head strong{display:block;font-size:27px;line-height:1.15;letter-spacing:-.025em;color:#304754;font-weight:750}
.boundary-result-head p{font-size:14px;line-height:1.6;color:#566067;margin:12px 0 0}
.boundary-matrix{display:grid;grid-template-columns:92px 1fr 1fr;gap:0;margin-top:22px;border-top:1px solid #cfc8bd;border-left:1px solid #cfc8bd}
.boundary-matrix>*{border-right:1px solid #cfc8bd;border-bottom:1px solid #cfc8bd}
.boundary-matrix-axis{padding:8px;font-size:9.5px;line-height:1.35;text-transform:uppercase;letter-spacing:.07em;color:#657179;font-weight:700;text-align:center;background:#faf8f2}
.boundary-matrix-y{padding:10px 7px;font-size:9px;line-height:1.35;text-transform:uppercase;letter-spacing:.06em;color:#657179;font-weight:700;display:flex;align-items:center;background:#faf8f2}
.boundary-cell{padding:10px;min-height:86px;background:#fbfaf6}
.boundary-cell strong{display:block;font-size:10px;line-height:1.35;color:#344149;font-weight:760;margin-bottom:5px}
.boundary-cell span{font-size:10.5px;line-height:1.4;color:#70777a}
.boundary-cell.active{background:#304754}
.boundary-cell.active strong,.boundary-cell.active span{color:#fff}
.boundary-adjustments{display:grid;gap:0;margin-top:20px;border-top:1px solid #cfc8bd}
.boundary-adjustments>div{padding:12px 0;border-bottom:1px solid #d9d2c7}
.boundary-adjustments small{display:block;font-size:9px;text-transform:uppercase;letter-spacing:.08em;color:#8a6b43;font-weight:760;margin-bottom:4px}
.boundary-adjustments strong{display:block;font-size:13.5px;line-height:1.4;color:#344149}
.boundary-adjustments p{font-size:11.5px;line-height:1.5;color:#657078;margin:4px 0 0}

.boundary-architecture{margin-top:54px;padding-top:28px;border-top:1px solid var(--ink)}
.boundary-architecture h2{font-size:30px;line-height:1.22;font-weight:700;max-width:900px;margin:12px 0 22px}
.boundary-architecture-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--ink);border-bottom:1px solid var(--note-rule)}
.boundary-architecture-grid>div{padding:20px 24px 20px 0;margin-right:24px;border-right:1px solid var(--note-rule)}
.boundary-architecture-grid>div:last-child{border-right:0;margin-right:0}
.boundary-architecture-grid small{display:block;font-size:10px;text-transform:uppercase;letter-spacing:.1em;color:var(--brass);font-weight:760;margin-bottom:10px}
.boundary-architecture-grid ul{margin:0;padding-left:18px}
.boundary-architecture-grid li{font-size:14px;line-height:1.55;color:#4e585f;margin:0 0 7px}
.boundary-next{margin-top:28px;padding:18px 20px;border-left:2px solid var(--brass);background:#f5f1e9}
.boundary-next>strong{display:block;font-size:15px;margin-bottom:8px}
.boundary-next ol{margin:0;padding-left:20px}
.boundary-next li{font-size:14px;line-height:1.58;color:#4c575e;margin-bottom:6px}

.boundary-thesis-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--ink)}
.boundary-thesis-grid>div{padding:19px 24px 0 0;margin-right:24px;border-right:1px solid var(--note-rule)}
.boundary-thesis-grid>div:last-child{border-right:0;margin-right:0}
.boundary-thesis-grid small{font-size:10px;text-transform:uppercase;letter-spacing:.1em;color:var(--brass);font-weight:760}
.boundary-thesis-grid p{font-size:14.5px;line-height:1.62;color:var(--muted);margin:8px 0 0}
.boundary-evidence{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--ink)}
.boundary-evidence>div{padding:19px 24px 0 0;margin-right:24px;border-right:1px solid var(--note-rule)}
.boundary-evidence>div:last-child{border-right:0;margin-right:0}
.boundary-evidence strong{display:block;font-size:15px;line-height:1.45;color:#344149;margin-bottom:7px}
.boundary-evidence p{font-size:13.5px;line-height:1.58;color:var(--muted);margin:0 0 10px}
.boundary-evidence a{font-size:12px;color:var(--slate);border-bottom:1px solid #b9b3a8}

@media(max-width:900px){
  .boundary-lineage,.boundary-grid{grid-template-columns:1fr}
  .boundary-result{position:static}
  .boundary-architecture-grid,.boundary-thesis-grid,.boundary-evidence{grid-template-columns:1fr}
  .boundary-architecture-grid>div,.boundary-thesis-grid>div,.boundary-evidence>div{border-right:0;border-bottom:1px solid var(--note-rule);margin-right:0;padding:18px 0}
}
@media(max-width:620px){
  .boundary-lineage-list a{grid-template-columns:1fr;gap:5px}
  .boundary-question-head{grid-template-columns:28px 1fr}
  .boundary-question>p,.boundary-choice{padding-left:40px}
  .boundary-choice{flex-direction:column}
  .boundary-choice button{text-align:left}
  .boundary-matrix{grid-template-columns:74px 1fr 1fr}
  .boundary-cell{padding:8px;min-height:96px}
}

/* Executive Overview */
.executive-overview-hero{padding:68px 0 42px;border-bottom:1px solid var(--note-rule)}
.executive-overview-hero h1{font-size:46px;line-height:1.07;letter-spacing:-.035em;font-weight:730;max-width:930px;margin:16px 0 18px}
.executive-overview-hero p{font-size:18px;line-height:1.65;color:#4d585f;max-width:850px;margin:0}
.executive-overview-role{display:grid;grid-template-columns:180px 1fr;gap:36px;padding:30px 0;border-bottom:1px solid var(--note-rule)}
.executive-overview-role h2{font-size:24px;line-height:1.3;margin:0 0 8px}
.executive-overview-role p{font-size:15.5px;line-height:1.62;color:var(--muted);margin:0;max-width:800px}
.executive-overview-metrics{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--note-rule)}
.overview-metric{padding:24px 24px 24px 0;margin-right:24px;border-right:1px solid var(--note-rule)}
.overview-metric:last-child{border-right:0;margin-right:0}
.overview-metric strong{display:block;font-size:29px;line-height:1.1;color:var(--note-ink);margin-bottom:8px}
.overview-metric span{font-size:13.5px;line-height:1.55;color:var(--muted)}
.overview-cases{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--ink)}
.overview-cases a{display:block;padding:21px 24px 21px 0;margin-right:24px;border-right:1px solid var(--note-rule)}
.overview-cases a:last-child{border-right:0;margin-right:0}
.overview-cases small{font-size:10px;text-transform:uppercase;letter-spacing:.09em;color:var(--brass);font-weight:760}
.overview-cases h3{font-size:20px;line-height:1.32;margin:8px 0 8px}
.overview-cases p{font-size:14px;line-height:1.58;color:var(--muted);margin:0 0 14px}
.overview-cases span{font-size:12px;line-height:1.5;color:var(--slate);font-weight:650}
.overview-principles{border-top:1px solid var(--ink)}
.overview-principles>div{display:grid;grid-template-columns:250px 1fr;gap:30px;padding:17px 0;border-bottom:1px solid var(--note-rule)}
.overview-principles strong{font-size:15px}
.overview-principles span{font-size:14px;line-height:1.55;color:var(--muted)}
.executive-overview-actions{display:grid;grid-template-columns:220px 1fr;gap:40px;padding:48px 0 70px;border-top:1px solid var(--note-rule)}
.executive-overview-actions h2{font-size:27px;margin:10px 0 0}
@media(max-width:900px){
 .executive-overview-metrics,.overview-cases{grid-template-columns:1fr 1fr}
 .overview-metric:nth-child(2),.overview-cases a:nth-child(2){border-right:0}
 .executive-overview-role,.executive-overview-actions{grid-template-columns:1fr}
}
@media(max-width:620px){
 .executive-overview-hero h1{font-size:38px}
 .executive-overview-metrics,.overview-cases{grid-template-columns:1fr}
 .overview-metric,.overview-cases a{border-right:0;border-bottom:1px solid var(--note-rule);margin-right:0;padding:20px 0}
 .overview-principles>div{grid-template-columns:1fr;gap:6px}
}

/* Notes index publication layout */
.notes-index .collection-hero{max-width:940px}
.notes-index .note-section{padding:48px 0}
.notes-index .note-section-head{
  display:block;
  max-width:900px;
  margin:0 0 24px;
}
.notes-index .note-section-head .note-label{
  display:block;
  margin:0 0 9px;
}
.notes-index .note-section-head h2{
  max-width:860px;
  margin:0 0 8px;
  font-size:30px;
  line-height:1.24;
}
.notes-index .note-section-head p{
  max-width:790px;
  margin:0;
  font-size:15.5px;
  line-height:1.62;
}
.notes-index .note-text-link{margin-top:2px}
.notes-index .notes-list{border-top:1px solid var(--ink)}
.notes-index .note-row{
  display:grid;
  grid-template-columns:minmax(0,1fr) 28px;
  grid-template-rows:auto auto;
  gap:5px 22px;
  align-items:center;
  padding:21px 0;
}
.notes-index .note-row>small{
  grid-column:1;
  grid-row:1;
  font-size:10px;
  line-height:1.4;
  text-transform:uppercase;
  letter-spacing:.08em;
  color:var(--brass);
  font-weight:760;
}
.notes-index .note-row>div{
  grid-column:1;
  grid-row:2;
  max-width:820px;
}
.notes-index .note-row>.arrow,
.notes-index .note-row>span:last-child{
  grid-column:2;
  grid-row:1 / 3;
  align-self:center;
  justify-self:end;
}
.notes-index .note-row h3{margin:0 0 5px;font-size:20px;line-height:1.34}
.notes-index .note-row p{margin:0;font-size:14.5px;line-height:1.58;color:var(--muted)}
.notes-index .watch-list{max-width:900px}
.notes-index .watch-row{grid-template-columns:38px minmax(0,1fr);gap:16px}
.notes-index .watch-row>div{max-width:820px}
@media(max-width:620px){
  .notes-index .note-section{padding:40px 0}
  .notes-index .note-section-head h2{font-size:26px}
  .notes-index .note-row{grid-template-columns:1fr 22px}
  .notes-index .watch-row{grid-template-columns:28px 1fr}
}

/* Model index live-tool links */
.model-roadmap-row>.note-text-link{justify-self:end;text-align:right;white-space:nowrap;padding-top:2px}
@media(max-width:900px){.model-roadmap-row>.note-text-link{justify-self:start;text-align:left}}

/* Notebook pages: preserve global mobile navigation behavior */
@media(max-width:720px){
  .notebook .site-header .site-nav{
    display:grid;
    grid-template-columns:repeat(4,minmax(0,1fr));
    gap:0;
    overflow:visible;
    white-space:normal;
  }
  .notebook .site-header .site-nav a{
    min-height:44px;
    justify-content:center;
  }
  .notebook .site-header .site-nav .contact{
    grid-column:1 / -1;
    min-height:42px;
    margin-top:4px;
    padding:8px 12px;
    border:1px solid #c7c1b6;
    background:rgba(255,255,255,.38);
  }
}