/* Layout: an inspection report. Narrow reading column, wide tables and the audit matrix as the signature moments. */
:root{
  --paper:#eef0f2; --sheet:#f8f9fa; --ink:#14202b; --muted:#56636f; --rule:#c9d0d6;
  --stamp:#c8361f; --pass:#1f6f53; --pass-bg:#dcebe4; --flag-bg:#f6ddd7;
  --display:"Archivo","Arial Narrow",Arial,sans-serif;
  --body:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --paper:#0f161d; --sheet:#151e27; --ink:#e6ebef; --muted:#97a4b0; --rule:#2c3946;
  --stamp:#ee6a52; --pass:#6cc9a3; --pass-bg:#173329; --flag-bg:#3a1f1a; color-scheme:dark}}
:root[data-theme="dark"]{
  --paper:#0f161d; --sheet:#151e27; --ink:#e6ebef; --muted:#97a4b0; --rule:#2c3946;
  --stamp:#ee6a52; --pass:#6cc9a3; --pass-bg:#173329; --flag-bg:#3a1f1a; color-scheme:dark}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.6}
.wrap{max-width:1080px;margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
.read{max-width:64ch}
h1,h2,h3{font-family:var(--display);font-stretch:72%;font-weight:800;line-height:1.05;letter-spacing:-.01em;text-wrap:balance;margin:0}
h1{font-size:clamp(3rem,9vw,6.4rem);text-transform:uppercase}
h2{font-size:clamp(2rem,5vw,3.2rem);text-transform:uppercase}
h3{font-size:1.5rem;font-stretch:85%}
p{margin:0}
.label{font-family:var(--mono);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
a{color:inherit;text-underline-offset:3px}
:focus-visible{outline:3px solid var(--stamp);outline-offset:3px}
section{padding-block:clamp(56px,9vw,104px);border-top:1px solid var(--rule)}
.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:16px;background:var(--ink);color:var(--paper);padding:8px 12px;z-index:5}

/* header */
.site-head .wrap{display:flex;justify-content:space-between;align-items:center;gap:12px 24px;padding-block:18px;flex-wrap:wrap}
.brand{font-family:var(--display);font-weight:900;font-stretch:80%;text-transform:uppercase;font-size:1.15rem;letter-spacing:.01em;text-decoration:none}
.brand span{color:var(--stamp)}
.site-nav{display:flex;flex-wrap:wrap;align-items:center;gap:6px 20px;font-size:.92rem}
.site-nav a{text-decoration:none}
.site-nav a:hover,.site-nav a[aria-current="page"]{text-decoration:underline;text-decoration-color:var(--stamp);text-decoration-thickness:2px}
.btn{display:inline-block;font-family:var(--body);font-weight:600;font-size:1rem;background:var(--ink);color:var(--paper);border:0;padding:14px 22px;border-radius:2px;text-decoration:none;cursor:pointer}
.btn:hover{background:var(--stamp);color:#fff}
.btn.small{padding:8px 14px;font-size:.88rem}
.site-nav .btn{color:var(--paper)}
.site-nav .btn:hover{text-decoration:none;color:#fff}

/* hero */
.hero{padding-block:clamp(40px,7vw,88px) clamp(56px,8vw,96px);border-top:0}
.hero h1 .strike{position:relative;color:var(--muted)}
.hero h1 .strike::after{content:"";position:absolute;left:-2%;right:-2%;top:52%;height:.1em;background:var(--stamp);transform:rotate(-2deg)}
.hero .lede{font-size:clamp(1.15rem,2.2vw,1.4rem);max-width:42ch;margin-top:28px;line-height:1.45}
.hero .row{display:flex;flex-wrap:wrap;gap:16px 28px;align-items:center;margin-top:36px}

/* ledger comparison */
.ledger{display:grid;grid-template-columns:repeat(3,1fr);margin-top:40px;background:var(--sheet);border:1px solid var(--rule)}
.ledger>div{padding:28px;min-width:0}
.ledger>div+div{border-left:1px solid var(--rule)}
.ledger ul{list-style:none;padding:0;margin:16px 0 0;display:grid;gap:12px}
.ledger li{display:grid;grid-template-columns:20px 1fr;gap:10px}
.ledger .rent li::before{content:"–";color:var(--stamp);font-weight:700}
.ledger .own li::before{content:"+";color:var(--pass);font-weight:700}
.together{margin-top:28px;display:grid;gap:14px}
.flow{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px}
.flow li{font-family:var(--mono);font-size:.8rem;background:var(--sheet);border:1px solid var(--rule);padding:8px 12px;border-radius:2px}
.flow li+li::before{content:"→ ";color:var(--muted)}
.flow li:last-child{background:var(--pass-bg);color:var(--pass);border-color:var(--pass)}
.curve{margin:28px 0 0;background:var(--sheet);border:1px solid var(--rule);padding:20px 20px 12px}
.curve svg{width:100%;height:auto;display:block}
.note{font-family:var(--mono);font-size:.75rem;color:var(--muted);margin-top:8px}

/* sameness */
.clones{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;margin-top:36px}
.clone{background:var(--sheet);border:1px solid var(--rule);padding:14px;font-size:.82rem;line-height:1.35;color:var(--muted)}
.clone b{display:block;color:var(--ink);font-family:var(--display);font-stretch:85%;font-size:1rem;margin-bottom:6px}
.clone .u{font-family:var(--mono);font-size:.7rem;margin-top:8px}
.cols{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-top:32px}
.cols>div{min-width:0;display:grid;gap:14px;align-content:start}
.stack{display:grid;gap:18px;margin-top:24px}

/* 80% illusion */
.illusion{margin-top:48px;padding:28px;background:var(--sheet);border:1px solid var(--rule);display:grid;gap:16px}
.illusion .label{color:var(--stamp)}
.bars{display:grid;gap:14px;margin:0}
.bar-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.4fr) 64px;gap:14px;align-items:center;font-size:.92rem}
.bar-row b{font-family:var(--mono);font-weight:500;font-variant-numeric:tabular-nums;text-align:right}
.bar{height:14px;background:var(--paper);border:1px solid var(--rule)}
.bar i{display:block;height:100%;background:var(--muted)}
.bar.real i{background:var(--stamp)}

/* audit matrix */
.matrix-wrap{margin-top:40px;overflow-x:auto;background:var(--sheet);border:1px solid var(--rule)}
table.matrix{border-collapse:collapse;width:100%;min-width:640px;font-family:var(--mono);font-size:.8rem}
.matrix th,.matrix td{border-bottom:1px solid var(--rule);padding:10px 12px;text-align:center;white-space:nowrap}
.matrix th{font-weight:500;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-size:.7rem}
.matrix th.gate{text-align:left;color:var(--ink);font-family:var(--body);text-transform:none;letter-spacing:0;font-size:.88rem;font-weight:600}
.matrix tr:last-child td,.matrix tr:last-child th{border-bottom:0}
.c{display:inline-block;min-width:64px;padding:3px 8px;border-radius:2px}
.c.p{background:var(--pass-bg);color:var(--pass)}
.c.f{background:var(--flag-bg);color:var(--stamp);font-weight:500}
.c.n{color:var(--rule)}
.legend{display:flex;flex-wrap:wrap;gap:8px 20px;padding:12px 16px;border-top:1px solid var(--rule);font-family:var(--mono);font-size:.72rem;color:var(--muted)}
.rules{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:36px}
.rule-card{border-top:4px solid var(--ink);padding-top:18px;display:grid;gap:10px;min-width:0;align-content:start}
.rule-card .label{color:var(--stamp)}

/* self-proof band */
.dogfood{background:var(--sheet)}
.dogfood .grid{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:start}
.dogfood .grid>div{min-width:0}
.stat-list{list-style:none;padding:0;margin:0;display:grid;border:1px solid var(--rule);background:var(--paper)}
.stat-list li{display:flex;justify-content:space-between;gap:16px;padding:12px 16px;border-bottom:1px solid var(--rule);font-size:.92rem}
.stat-list li:last-child{border-bottom:0}
.stat-list b{font-family:var(--mono);font-weight:500;font-variant-numeric:tabular-nums;color:var(--pass)}

/* cards list (insights) */
.post-list{list-style:none;padding:0;margin:32px 0 0;display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:0;border-top:1px solid var(--rule)}
.post-list li{border-bottom:1px solid var(--rule);padding:22px 20px 22px 0;display:grid;gap:8px;align-content:start}
.post-list a{text-decoration:none}
.post-list a:hover h3{text-decoration:underline;text-decoration-color:var(--stamp)}
.post-list p{color:var(--muted);font-size:.95rem}

/* FAQ */
.faq{margin-top:28px;display:grid;border-top:1px solid var(--rule);max-width:820px}
.faq details{border-bottom:1px solid var(--rule);padding:16px 0}
.faq summary{cursor:pointer;font-weight:600;font-size:1.05rem;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--stamp)}
.faq details[open] summary::after{content:"–"}
.faq summary::-webkit-details-marker{display:none}
.faq details p{margin-top:10px;max-width:64ch}

/* article */
.crumbs{font-family:var(--mono);font-size:.75rem;color:var(--muted);display:flex;flex-wrap:wrap;gap:6px}
.crumbs a{color:var(--muted)}
.article-head{padding-block:clamp(32px,6vw,64px) 32px;border-top:0}
.article-head h1{font-size:clamp(2.4rem,6vw,4.4rem);margin-top:16px;max-width:18ch}
.article-head .meta{margin-top:18px}
.answer{margin-top:28px;max-width:68ch;background:var(--sheet);border:1px solid var(--rule);border-left:4px solid var(--stamp);padding:20px 24px;display:grid;gap:8px}
.answer p:last-child{font-size:1.08rem}
.prose{padding-block:8px 72px;border-top:0}
.prose .read>*+*{margin-top:18px}
.prose h2{font-size:clamp(1.6rem,3.4vw,2.2rem);margin-top:48px !important}
.prose h3{margin-top:30px !important;font-size:1.3rem}
.prose ul:not([class]),.prose ol:not([class]){padding-left:1.3em;display:grid;gap:8px}
.prose figure{margin-inline:0}
.table-wrap{overflow-x:auto;border:1px solid var(--rule);background:var(--sheet)}
.table-wrap table{border-collapse:collapse;width:100%;min-width:560px;font-size:.92rem}
.table-wrap th,.table-wrap td{padding:12px 14px;border-bottom:1px solid var(--rule);text-align:left;vertical-align:top}
.table-wrap thead th{font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:500}
.table-wrap tr:last-child>*{border-bottom:0}
.related{border-top:1px solid var(--rule)}

/* calculator */
.calc{display:grid;grid-template-columns:minmax(0,340px) minmax(0,1fr);gap:32px;margin-top:32px;align-items:start}
.calc fieldset{border:1px solid var(--rule);background:var(--sheet);padding:20px;margin:0;display:grid;gap:14px}
.calc legend{font-family:var(--mono);font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);padding:0 6px}
.calc .out{display:grid;gap:20px;min-width:0}
.calc .kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:0;border:1px solid var(--rule);background:var(--sheet)}
.calc .kpis div{padding:16px;border-right:1px solid var(--rule);display:grid;gap:4px}
.calc .kpis div:last-child{border-right:0}
.calc .kpis b{font-family:var(--display);font-stretch:80%;font-size:2rem;font-weight:800;font-variant-numeric:tabular-nums;line-height:1}
.calc .kpis .own b{color:var(--pass)}
.chart{background:var(--sheet);border:1px solid var(--rule);padding:16px}
.chart svg{display:block;width:100%;height:auto}
.key{display:flex;flex-wrap:wrap;gap:6px 18px;font-family:var(--mono);font-size:.75rem;color:var(--muted);margin-top:8px}
.key i{display:inline-block;width:14px;height:3px;vertical-align:middle;margin-right:6px}

/* proof */
.proof-table .num{font-family:var(--mono);font-variant-numeric:tabular-nums}
.ok{color:var(--pass);font-family:var(--mono)}
.bad{color:var(--stamp);font-family:var(--mono)}

/* forms */
label{display:grid;gap:6px;font-size:.9rem;font-weight:500}
input,select,textarea{font:inherit;font-size:1rem;padding:11px 12px;border:1px solid var(--muted);background:var(--sheet);color:var(--ink);border-radius:2px;width:100%}
textarea{min-height:110px;resize:vertical}
.cta{background:var(--ink);color:var(--paper);border-top:0}
.cta .label{color:var(--rule)}
.cta h2{color:var(--paper)}
.cta form{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:32px;max-width:720px}
.cta form .full{grid-column:1/-1}
.cta .btn{background:var(--stamp);color:#fff}
.cta .btn:hover{background:var(--paper);color:var(--ink)}
#formMsg{font-family:var(--mono);font-size:.85rem}

.site-foot .wrap{padding-block:32px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px 32px;font-size:.85rem;color:var(--muted)}
.site-foot nav{display:flex;flex-wrap:wrap;gap:8px 18px}

@media (max-width:760px){
  .ledger,.cols,.rules,.cta form,.dogfood .grid,.calc{grid-template-columns:1fr}
  .ledger>div+div{border-left:0;border-top:1px solid var(--rule)}
  .bar-row{grid-template-columns:1fr 64px}.bar-row span{grid-column:1/-1}
  .calc .kpis div{border-right:0;border-bottom:1px solid var(--rule)}
}
@media (prefers-reduced-motion:no-preference){
  .hero h1 .strike::after{transform-origin:left;animation:strike .7s .3s cubic-bezier(.6,0,.2,1) both}
  @keyframes strike{from{transform:rotate(-2deg) scaleX(0)}to{transform:rotate(-2deg) scaleX(1)}}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* ---------- guide components ---------- */
.prose .steps{list-style:none;padding:0;counter-reset:st;display:grid;gap:0;border-top:1px solid var(--rule)}
.prose .steps>li{counter-increment:st;display:grid;grid-template-columns:44px 1fr;gap:4px 12px;padding:16px 0;border-bottom:1px solid var(--rule)}
.prose .steps>li::before{content:counter(st,decimal-leading-zero);font-family:var(--mono);font-size:.85rem;color:var(--stamp);padding-top:3px;grid-row:span 2}
.prose .steps>li>strong:first-child{display:block}
.prose .checklist{list-style:none;padding:0;display:grid;gap:10px}
.prose .checklist>li{display:grid;grid-template-columns:22px 1fr;gap:10px}
.prose .checklist>li::before{content:"";width:16px;height:16px;margin-top:4px;border:1.5px solid var(--pass);border-radius:2px;background:linear-gradient(var(--pass),var(--pass)) center/8px 8px no-repeat}
.callout{background:var(--sheet);border:1px solid var(--rule);border-left:4px solid var(--ink);padding:16px 20px;display:grid;gap:8px;margin-block:4px}
.callout .label{color:var(--stamp)}
.callout p+p{margin-top:0}
.compare{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--rule);background:var(--sheet)}
.compare>div{padding:18px 20px;min-width:0;display:grid;gap:10px;align-content:start}
.compare>div+div{border-left:1px solid var(--rule)}
.compare ul{padding-left:1.1em;margin:0;display:grid;gap:6px;font-size:.95rem}
.keyfacts{display:grid;margin:0;border-top:1px solid var(--rule)}
.keyfacts>div{display:grid;grid-template-columns:minmax(120px,30%) 1fr;gap:16px;padding:12px 0;border-bottom:1px solid var(--rule)}
.keyfacts dt{font-weight:600}
.keyfacts dd{margin:0;color:var(--ink)}
.prose pre{background:var(--sheet);border:1px solid var(--rule);padding:16px;overflow-x:auto;font-family:var(--mono);font-size:.82rem;line-height:1.5}
.prose code{font-family:var(--mono);font-size:.88em}
.prose .read>.flow{margin-block:8px}

/* cluster hubs */
.cluster-block{display:grid;gap:12px;padding-block:32px;border-top:1px solid var(--rule)}
.cluster-block:first-child{border-top:0}
.pillar-card{display:grid;gap:8px;background:var(--sheet);border:1px solid var(--rule);border-left:4px solid var(--stamp);padding:20px 24px;text-decoration:none}
.pillar-card:hover h3{text-decoration:underline;text-decoration-color:var(--stamp)}
.pillar-card p{color:var(--muted)}
.soon{font-family:var(--mono);font-size:.7rem;letter-spacing:.06em;text-transform:uppercase;color:var(--stamp)}

/* newsletter */
.signup{background:var(--sheet);border-top:1px solid var(--rule)}
.signup .wrap{display:grid;grid-template-columns:1.1fr 1fr;gap:32px;align-items:center}
.signup .wrap>*{min-width:0}
.signup form{display:flex;gap:10px;flex-wrap:wrap}
.signup input{flex:1 1 220px}
.signup .msg{font-family:var(--mono);font-size:.8rem;color:var(--muted);flex-basis:100%}

/* sameness checker */
.checker{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px;margin-top:28px;align-items:start}
.checker textarea{min-height:360px;font-size:.95rem;line-height:1.55}
.score{display:flex;align-items:baseline;gap:12px;padding:18px 20px;background:var(--sheet);border:1px solid var(--rule)}
.score b{font-family:var(--display);font-stretch:80%;font-weight:800;font-size:3rem;line-height:1;font-variant-numeric:tabular-nums}
.score.hi b{color:var(--stamp)}.score.lo b{color:var(--pass)}
.findings{list-style:none;padding:0;margin:0;display:grid;border:1px solid var(--rule);background:var(--sheet)}
.findings li{padding:12px 16px;border-bottom:1px solid var(--rule);display:grid;gap:4px}
.findings li:last-child{border-bottom:0}
.findings .sev{font-family:var(--mono);font-size:.7rem;text-transform:uppercase;letter-spacing:.06em}
.findings .sev.h{color:var(--stamp)}.findings .sev.m{color:var(--muted)}.findings .sev.ok{color:var(--pass)}
mark{background:var(--flag-bg);color:var(--stamp);padding:0 2px}

@media (max-width:760px){
  .compare,.signup .wrap,.checker{grid-template-columns:1fr}
  .compare>div+div{border-left:0;border-top:1px solid var(--rule)}
  .keyfacts>div{grid-template-columns:1fr;gap:4px}
}

/* audit form (homepage band and audit page) */
.audit-form{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px;max-width:720px}
.audit-form .full{grid-column:1/-1}
.cols .audit-form{grid-template-columns:1fr}
.audit-form .form-msg{font-family:var(--mono);font-size:.85rem}
.cta .audit-form{margin-top:32px}
.cta a{color:var(--paper)}
/* guide call to action */
.guide-cta{background:var(--ink);color:var(--paper);border-top:0}
.guide-cta .wrap{display:grid;grid-template-columns:1.4fr auto;gap:24px;align-items:center}
.guide-cta .wrap>*{min-width:0}
.guide-cta .label{color:var(--rule)}
.guide-cta h2{color:var(--paper);font-size:clamp(1.5rem,3.2vw,2.1rem);margin-top:8px}
.guide-cta p.read{margin-top:10px}
.guide-cta .btn{background:var(--stamp);color:#fff}
.guide-cta .btn:hover{background:var(--paper);color:var(--ink)}
/* author */
.author{display:flex;gap:14px;align-items:center;margin-top:18px}
.author img{width:48px;height:48px;border-radius:50%;object-fit:cover}
@media (max-width:760px){.audit-form,.guide-cta .wrap{grid-template-columns:1fr}}
.title-list{list-style:none;padding:0;margin:16px 0 0;display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:0 24px;border-top:1px solid var(--rule)}
.title-list li{padding:12px 0;border-bottom:1px solid var(--rule);display:grid;gap:4px}
.title-list a{text-decoration:none;font-weight:600}
.title-list a:hover{text-decoration:underline;text-decoration-color:var(--stamp)}