/* =========================================================
   markruhl.com — design system
   Brand: Mark Ruhl crimson #EC0344 + logo black #231F20
   Type:  Literata (display) / Karla (body) / Plex Mono (data)
   ========================================================= */

:root{
  --paper:#F4F3F1;
  --surface:#FFFFFF;
  --surface-2:#EAE8E5;
  --ink:#1B1A1A;
  --ink-2:#494545;
  --muted:#7A7573;
  --rule:#DAD7D3;
  --rule-strong:#B5B0AC;

  --brand:#EC0344;        /* logo crimson — graphics + fills only */
  --brand-text:#C10033;   /* accessible on paper (5.7:1) */
  --brand-btn:#D40039;    /* white text passes at 5.4:1 */
  --brand-deep:#9E0029;
  --brand-soft:#FBE4EA;
  --on-brand:#FFFFFF;

  --note:#7A5B10;
  --note-soft:#F7EEDA;
  --shadow-sm:0 1px 2px rgba(27,26,26,.07);
  --shadow:0 2px 4px rgba(27,26,26,.05), 0 14px 34px -22px rgba(27,26,26,.5);
  --radius:6px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --paper:#131211;
    --surface:#1B1A19;
    --surface-2:#252322;
    --ink:#EDEBE9;
    --ink-2:#BEB9B6;
    --muted:#8B8582;
    --rule:#302D2C;
    --rule-strong:#4A4644;
    --brand:#FF3D6B;
    --brand-text:#FF8AA5;
    --brand-btn:#EC0344;
    --brand-deep:#FF6B8C;
    --brand-soft:#33101B;
    --on-brand:#FFFFFF;
    --note:#D9B569;
    --note-soft:#2E2512;
    --shadow-sm:0 1px 2px rgba(0,0,0,.5);
    --shadow:0 2px 4px rgba(0,0,0,.35), 0 14px 34px -22px rgba(0,0,0,.95);
  }
}
:root[data-theme="dark"]{
  --paper:#131211; --surface:#1B1A19; --surface-2:#252322;
  --ink:#EDEBE9; --ink-2:#BEB9B6; --muted:#8B8582;
  --rule:#302D2C; --rule-strong:#4A4644;
  --brand:#FF3D6B; --brand-text:#FF8AA5; --brand-btn:#EC0344; --brand-deep:#FF6B8C;
  --brand-soft:#33101B; --on-brand:#FFFFFF;
  --note:#D9B569; --note-soft:#2E2512;
  --shadow-sm:0 1px 2px rgba(0,0,0,.5);
  --shadow:0 2px 4px rgba(0,0,0,.35), 0 14px 34px -22px rgba(0,0,0,.95);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:"Karla",-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
  font-size:17px;line-height:1.62;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand-text);text-decoration:none}
a:hover{color:var(--brand-deep)}
a:focus-visible,button:focus-visible{outline:2.5px solid var(--brand);outline-offset:3px;border-radius:3px}
hr{border:0;border-top:1px solid var(--rule);margin:44px 0}

.wrap{max-width:1120px;margin:0 auto;padding:0 26px}
.narrow{max-width:70ch}
.prose{max-width:68ch}

h1,h2,h3,h4{font-family:"Literata",Georgia,"Times New Roman",serif;font-weight:500;letter-spacing:-.018em;text-wrap:balance;margin:0}
h1{font-size:clamp(2.3rem,5.6vw,3.85rem);line-height:1.04}
h2{font-size:clamp(1.7rem,3.4vw,2.4rem);line-height:1.13;margin-bottom:16px}
h3{font-size:1.24rem;line-height:1.3;margin-bottom:9px}
h4{font-size:1.05rem;line-height:1.35;margin-bottom:7px}
p{margin:0 0 18px;max-width:66ch}
.prose ul,.prose ol{margin:0 0 20px;padding-left:22px;max-width:64ch}
.prose li{margin-bottom:9px}
.prose h2{margin-top:52px}
.prose h3{margin-top:34px}
.prose h2:first-child,.prose h3:first-child{margin-top:0}

.eyebrow{
  font-family:"IBM Plex Mono",ui-monospace,Menlo,monospace;font-size:11px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--brand-text);margin:0 0 14px;font-weight:500;
}
.lede{font-size:1.14rem;color:var(--ink-2)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:"Karla",sans-serif;font-size:15.5px;font-weight:600;
  padding:14px 26px;border-radius:var(--radius);border:1.5px solid transparent;cursor:pointer;
  transition:transform .12s ease,background-color .16s ease,border-color .16s ease;text-align:center;
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--brand-btn);color:var(--on-brand);border-color:var(--brand-btn)}
.btn-primary:hover{background:var(--brand-deep);border-color:var(--brand-deep);color:var(--on-brand)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--rule-strong)}
.btn-ghost:hover{border-color:var(--ink);background:var(--surface);color:var(--ink)}
.btnrow{display:flex;flex-wrap:wrap;gap:12px;margin:0 0 20px}

/* ---------- header ---------- */
header.site{
  position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--paper) 93%,transparent);
  backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--rule);
}
.navbar{display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:13px 26px;max-width:1120px;margin:0 auto}
.brand{display:flex;align-items:center;gap:11px;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand img{height:40px;width:auto;flex:none;object-fit:contain}
.brandtext b{display:block;font-family:"Literata",serif;font-size:16.5px;font-weight:600;line-height:1.15;letter-spacing:-.01em}
.brandtext span{display:block;font-family:"IBM Plex Mono",monospace;font-size:10px;color:var(--muted);letter-spacing:.09em;margin-top:1px}
nav.main{display:none;gap:26px;align-items:center}
@media(min-width:1020px){nav.main{display:flex}}
nav.main a{font-size:15px;font-weight:500;color:var(--ink-2)}
nav.main a:hover{color:var(--brand-text)}
nav.main a[aria-current="page"]{color:var(--ink);box-shadow:inset 0 -2px 0 var(--brand)}
.navcta{display:flex;gap:9px;align-items:center}
.navcta .btn{padding:9px 17px;font-size:14px}
.calltxt{display:none}
@media(min-width:640px){.calltxt{display:inline-flex}}

/* ---------- sections ---------- */
section.band{padding:74px 0;border-bottom:1px solid var(--rule)}
section.band.alt{background:var(--surface)}

/* ---------- hero ---------- */
.hero{padding:64px 0 56px;border-bottom:1px solid var(--rule)}
.herogrid{display:grid;grid-template-columns:1fr;gap:40px;align-items:center}
@media(min-width:940px){.herogrid{grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:60px}}
h1 .quiet{display:block;color:var(--ink-2);font-style:italic;font-size:.6em;margin-top:14px;line-height:1.2;letter-spacing:-.01em}
.hero .sub{font-size:1.16rem;color:var(--ink-2);max-width:52ch;margin:26px 0 30px}
.reassure{font-size:14px;color:var(--muted);max-width:48ch;margin:0}
.portrait{position:relative;margin:0}
.portrait .frame{
  aspect-ratio:4/5;background:var(--surface-2);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);position:relative;
}
.portrait .frame::after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 0 1px var(--rule);border-radius:var(--radius)}
.portrait .frame img{width:100%;height:100%;object-fit:cover;object-position:50% 50%}
.portrait figcaption{margin-top:14px;font-size:13.5px;color:var(--muted);line-height:1.5;padding-left:14px;border-left:2px solid var(--brand)}

/* ---------- page header (interior) ---------- */
.pagehead{padding:52px 0 40px;border-bottom:1px solid var(--rule)}
.crumbs{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin:0 0 18px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand-text)}
.pagehead h1{font-size:clamp(2rem,4.6vw,3.1rem);max-width:20ch}
.pagehead .sub{font-size:1.16rem;color:var(--ink-2);max-width:58ch;margin:22px 0 0}
.updated{font-family:"IBM Plex Mono",monospace;font-size:11.5px;color:var(--muted);letter-spacing:.05em;margin-top:24px}

/* ---------- proof strip ---------- */
.proof{background:var(--surface);border-bottom:1px solid var(--rule)}
.proofgrid{display:grid;grid-template-columns:repeat(2,1fr)}
@media(min-width:820px){.proofgrid{grid-template-columns:repeat(4,1fr)}}
.proofgrid>div{padding:26px 20px;border-right:1px solid var(--rule);border-bottom:1px solid var(--rule)}
@media(min-width:820px){.proofgrid>div{border-bottom:0}.proofgrid>div:last-child{border-right:0}}
@media(max-width:819px){.proofgrid>div:nth-child(2n){border-right:0}.proofgrid>div:nth-last-child(-n+2){border-bottom:0}}
.proofgrid b{display:block;font-family:"Literata",serif;font-size:1.95rem;font-weight:600;color:var(--brand-text);
  line-height:1.1;letter-spacing:-.02em;font-variant-numeric:tabular-nums;margin-bottom:3px}
.proofgrid span{display:block;font-size:13.5px;color:var(--ink-2);line-height:1.4}

/* ---------- reason cards ---------- */
.reasons{display:grid;grid-template-columns:1fr;gap:1px;background:var(--rule);border:1px solid var(--rule);margin-top:34px}
@media(min-width:760px){.reasons{grid-template-columns:repeat(3,1fr)}}
.reason{background:var(--paper);padding:26px 24px}
section.alt .reason{background:var(--surface)}
.reason .n{font-family:"IBM Plex Mono",monospace;font-size:11px;color:var(--brand-text);letter-spacing:.13em;display:block;margin-bottom:12px;font-weight:500}
.reason h3{font-size:1.06rem;margin-bottom:9px}
.reason p{font-size:15px;color:var(--ink-2);margin:0;max-width:none}

/* ---------- shelf cards ---------- */
.shelf{display:grid;grid-template-columns:repeat(auto-fill,minmax(258px,1fr));gap:14px;margin-top:36px}
.card{background:var(--surface);border:1px solid var(--rule);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow-sm);position:relative;
  transition:border-color .16s ease,transform .16s ease;display:block;color:var(--ink)}
section.alt .card{background:var(--paper)}
.card:hover{border-color:var(--brand);transform:translateY(-2px);color:var(--ink)}
.card h3{font-size:1.06rem;margin-bottom:7px}
.card p{font-size:14.5px;color:var(--ink-2);margin:0;max-width:none;line-height:1.55}
.card .flag{position:absolute;top:-1px;right:16px;background:var(--ink);color:var(--paper);
  font-family:"IBM Plex Mono",monospace;font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;
  padding:3px 8px;border-radius:0 0 3px 3px;font-weight:500}

/* ---------- callouts ---------- */
.callout{border-left:3px solid var(--rule-strong);background:var(--surface);padding:20px 24px;
  margin:28px 0;border-radius:0 var(--radius) var(--radius) 0;box-shadow:var(--shadow-sm);max-width:70ch}
section.alt .callout{background:var(--paper)}
.callout>*:last-child{margin-bottom:0}
.callout .tag{font-family:"IBM Plex Mono",monospace;font-size:10px;letter-spacing:.13em;
  text-transform:uppercase;display:block;margin-bottom:9px;font-weight:600;color:var(--muted)}
.callout.important{border-left-color:var(--brand);background:var(--brand-soft)}
.callout.important .tag{color:var(--brand-text)}
.callout.heads-up{border-left-color:var(--note);background:var(--note-soft)}
.callout.heads-up .tag{color:var(--note)}
.callout p{font-size:15.5px}

/* ---------- tables ---------- */
.tablewrap{overflow-x:auto;margin:26px 0;border:1px solid var(--rule);background:var(--surface);border-radius:var(--radius)}
section.alt .tablewrap{background:var(--paper)}
table{border-collapse:collapse;width:100%;min-width:520px;font-size:14.5px}
th,td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--rule);vertical-align:top}
thead th{font-family:"IBM Plex Mono",monospace;font-size:10px;letter-spacing:.11em;text-transform:uppercase;
  color:var(--muted);font-weight:600;background:var(--surface-2);white-space:nowrap}
tbody tr:last-child td{border-bottom:0}
td.num,th.num{font-variant-numeric:tabular-nums;white-space:nowrap}

/* ---------- quotes ---------- */
.quotes{display:grid;grid-template-columns:1fr;gap:22px;margin-top:36px}
@media(min-width:800px){.quotes{grid-template-columns:repeat(3,1fr)}}
blockquote{margin:0;padding:0 0 0 20px;border-left:2px solid var(--brand);
  font-family:"Literata",serif;font-size:1.02rem;line-height:1.52;color:var(--ink)}
blockquote cite{display:block;margin-top:12px;font-family:"Karla",sans-serif;font-size:13px;font-style:normal;color:var(--muted)}

/* ---------- market teaser ---------- */
.teaser{display:grid;grid-template-columns:1fr;gap:34px;align-items:start}
@media(min-width:900px){.teaser{grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:58px}}
.excerpt{background:var(--surface);border:1px solid var(--rule);border-radius:var(--radius);padding:28px 30px;box-shadow:var(--shadow)}
section.alt .excerpt{background:var(--paper)}
.excerpt .dateline{font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;
  color:var(--muted);padding-bottom:12px;margin-bottom:16px;border-bottom:1px solid var(--rule)}
.excerpt p{font-size:15.5px;color:var(--ink-2);max-width:none}
.excerpt p:last-of-type{margin-bottom:0}
.excerpt strong{color:var(--ink)}

/* ---------- start paths ---------- */
.paths{display:grid;grid-template-columns:1fr;gap:1px;background:var(--rule);border:1px solid var(--rule);margin-top:36px}
@media(min-width:700px){.paths{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1000px){.paths{grid-template-columns:repeat(4,1fr)}}
.path{background:var(--surface);padding:28px 24px;display:flex;flex-direction:column;gap:9px}
section.alt .path{background:var(--paper)}
.path h3{font-size:1.04rem;margin:0}
.path p{font-size:14px;color:var(--ink-2);margin:0;flex:1;max-width:none}
.path a{font-weight:600;font-size:14.5px;margin-top:4px}
.path .lbl{font-family:"IBM Plex Mono",monospace;font-size:10px;letter-spacing:.13em;text-transform:uppercase;color:var(--muted)}

/* ---------- in-page CTA ---------- */
.inline-cta{background:var(--surface);border:1px solid var(--rule);border-radius:var(--radius);
  padding:30px 32px;margin:46px 0;box-shadow:var(--shadow);max-width:70ch}
section.alt .inline-cta{background:var(--paper)}
.inline-cta h3{margin-bottom:10px}
.inline-cta p{font-size:15.5px;color:var(--ink-2)}
.inline-cta .btnrow{margin-bottom:0;margin-top:20px}

/* ---------- TOC ---------- */
.toc{background:var(--surface);border:1px solid var(--rule);border-radius:var(--radius);padding:22px 26px;margin:0 0 44px;max-width:70ch}
section.alt .toc{background:var(--paper)}
.toc p{font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:0 0 12px}
.toc ol{margin:0;padding-left:20px;columns:1}
@media(min-width:700px){.toc ol{columns:2;column-gap:32px}}
.toc li{margin-bottom:7px;font-size:14.5px;break-inside:avoid}

/* ---------- footer ---------- */
footer.site{background:var(--surface);padding:58px 0 36px;font-size:14.5px}
.footgrid{display:grid;grid-template-columns:1fr;gap:34px;margin-bottom:38px}
@media(min-width:820px){.footgrid{grid-template-columns:1.6fr 1fr 1fr}}
footer.site h4{font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);margin:0 0 14px;font-weight:500}
footer.site ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:9px}
footer.site a{color:var(--ink-2)}
footer.site a:hover{color:var(--brand-text)}
.footlogos{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin:0 0 22px}
.footlogos img{height:46px;width:auto;object-fit:contain}
.footlogos img.eho{height:40px}
:root[data-theme="dark"] .footlogos img.eho,
:root:not([data-theme="light"]) .footlogos img.eho{filter:invert(1)}
@media (prefers-color-scheme: light){:root:not([data-theme="dark"]) .footlogos img.eho{filter:none}}
:root[data-theme="dark"] .footlogos img.mtgxps,
:root:not([data-theme="light"]) .footlogos img.mtgxps{filter:invert(1) hue-rotate(180deg) saturate(1.3)}
@media (prefers-color-scheme: light){:root:not([data-theme="dark"]) .footlogos img.mtgxps{filter:none}}

.legal{border-top:1px solid var(--rule);padding-top:24px;font-size:12px;line-height:1.75;color:var(--muted)}
.legal p{max-width:none;margin:0 0 11px}
.legal strong{color:var(--ink-2);font-weight:600}
.legal a{color:var(--muted);text-decoration:underline}
.nmls{font-family:"IBM Plex Mono",monospace;font-variant-numeric:tabular-nums}

/* ---------- draft banner ---------- */
.draftnote{background:var(--ink);color:var(--paper);padding:14px 0;
  font-family:"IBM Plex Mono",monospace;font-size:11.5px;letter-spacing:.05em}
.draftnote p{max-width:none;margin:0}

@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}


/* ---------- market archive ---------- */
.yearnav{display:flex;gap:6px;flex-wrap:wrap;margin:0 0 42px;padding-bottom:18px;border-bottom:1px solid var(--rule)}
.yearnav a{font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.08em;padding:6px 14px;
  border:1px solid var(--rule);border-radius:100px;color:var(--ink-2);background:var(--surface)}
.yearnav a:hover{border-color:var(--brand);color:var(--brand-text)}
.myear{margin:0 0 58px}
.myear h2{display:flex;align-items:baseline;gap:14px;padding-bottom:12px;border-bottom:2px solid var(--ink);margin-bottom:0}
.myear h2 span{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--muted);font-weight:400}
.mlist{list-style:none;padding:0;margin:0}
.mitem{margin:0;max-width:none;border-bottom:1px solid var(--rule)}
.mitem a{display:grid;grid-template-columns:1fr;gap:6px;padding:20px 0;color:var(--ink)}
@media(min-width:760px){.mitem a{grid-template-columns:90px minmax(0,1fr);gap:26px;align-items:baseline}}
.mitem a:hover{color:var(--ink)}
.mitem a:hover p{color:var(--ink)}
.mitem time{font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.06em;color:var(--muted);white-space:nowrap}
.mitem p{margin:0;font-size:15.5px;color:var(--ink-2);max-width:74ch;line-height:1.55}
.mitem a:hover time{color:var(--brand-text)}
.mtags{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px;grid-column:1/-1}
@media(min-width:760px){.mitem .mtags{grid-column:2}}
.mchip{font-family:"IBM Plex Mono",monospace;font-size:9.5px;letter-spacing:.09em;text-transform:uppercase;
  color:var(--muted);border:1px solid var(--rule);border-radius:3px;padding:2px 7px;background:var(--surface)}
.pagehead .mtags{margin:18px 0 0}
.mbody p:first-child{font-size:1.16rem;color:var(--ink)}
.prevnext{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:52px 0 0;
  padding-top:26px;border-top:1px solid var(--rule)}
.pn{display:block;padding:16px 20px;border:1px solid var(--rule);border-radius:var(--radius);
  background:var(--surface);color:var(--ink);font-size:15px;font-weight:500}
.pn:hover{border-color:var(--brand);color:var(--ink)}
.pn span{display:block;font-family:"IBM Plex Mono",monospace;font-size:9.5px;letter-spacing:.13em;
  text-transform:uppercase;color:var(--muted);margin-bottom:5px}
.pn.next{text-align:right}

/* ---------- quote form ---------- */
.formgrid{display:grid;grid-template-columns:1fr;gap:44px;align-items:start}
@media(min-width:920px){.formgrid{grid-template-columns:minmax(0,.85fr) minmax(0,1fr);gap:62px}}
.quoteform{background:var(--paper);border:1px solid var(--rule);border-radius:var(--radius);
  padding:30px 32px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:16px}
.quoteform label{display:block;font-size:14px;font-weight:600;color:var(--ink-2)}
.quoteform input[type=text],.quoteform input[type=email],.quoteform input[type=tel],
.quoteform select,.quoteform textarea{
  display:block;width:100%;margin-top:6px;padding:11px 13px;font:inherit;font-size:15.5px;font-weight:400;
  color:var(--ink);background:var(--surface);border:1px solid var(--rule-strong);border-radius:4px;
}
.quoteform textarea{resize:vertical;line-height:1.5}
.quoteform input:focus,.quoteform select:focus,.quoteform textarea:focus{
  outline:2px solid var(--brand);outline-offset:1px;border-color:var(--brand)}
.f2{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:560px){.f2{grid-template-columns:1fr 1fr}}
.quoteform .check{display:flex;gap:10px;align-items:flex-start;font-weight:400;font-size:14px;line-height:1.5;color:var(--ink-2)}
.quoteform .check input{margin-top:4px;flex:none;accent-color:var(--brand)}
.quoteform button{margin-top:4px}
.formnote{font-size:13px;color:var(--muted);margin:0}
.formfallback{background:var(--brand-soft);border:1px solid var(--brand);border-radius:var(--radius);
  padding:26px 28px;box-shadow:var(--shadow)}
.formfallback h3{margin-bottom:10px}
.formfallback p{font-size:15.5px}
.formfallback pre{background:var(--surface);border:1px solid var(--rule);border-radius:4px;
  padding:14px 16px;font-family:"IBM Plex Mono",monospace;font-size:13px;line-height:1.7;
  white-space:pre-wrap;word-break:break-word;margin:0;color:var(--ink)}
.formsent{background:var(--surface);border:1px solid var(--rule);border-left:3px solid var(--brand);
  border-radius:var(--radius);padding:26px 28px;box-shadow:var(--shadow)}
.formsent h3{margin-bottom:10px}
.formsent p{font-size:15.5px}
.formsent p:last-child{margin-bottom:0}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.callout.note{border-left-color:var(--brand);background:var(--brand-soft)}
.callout.note .tag{color:var(--brand-text)}

/* ---------- about ---------- */
.aboutgrid{display:grid;grid-template-columns:1fr;gap:44px;align-items:start}
@media(min-width:960px){.aboutgrid{grid-template-columns:minmax(0,1fr) 320px;gap:66px}}
.factcard{background:var(--surface);border:1px solid var(--rule);border-radius:var(--radius);
  padding:0 0 24px;box-shadow:var(--shadow);overflow:hidden;position:sticky;top:80px}
.factcard img{width:100%;height:auto;display:block}
.factcard dl{margin:0;padding:22px 24px 6px}
.factcard dl>div{padding:11px 0;border-bottom:1px solid var(--rule)}
.factcard dl>div:last-child{border-bottom:0}
.factcard dt{font-family:"IBM Plex Mono",monospace;font-size:9.5px;letter-spacing:.13em;
  text-transform:uppercase;color:var(--muted);margin-bottom:4px}
.factcard dd{margin:0;font-size:14.5px;line-height:1.45;color:var(--ink)}
.factcard .btn{margin:14px 24px 0;width:calc(100% - 48px)}

/* ---------- review themes ---------- */
.themes{display:grid;grid-template-columns:1fr;gap:1px;background:var(--rule);
  border:1px solid var(--rule);margin-top:32px}
@media(min-width:760px){.themes{grid-template-columns:repeat(3,1fr)}}
.theme{background:var(--paper);padding:26px 24px}
.theme .n{font-family:"IBM Plex Mono",monospace;font-size:11px;color:var(--brand-text);
  letter-spacing:.13em;display:block;margin-bottom:12px;font-weight:500}
.theme h3{font-size:1.06rem;margin-bottom:8px}
.theme p{font-size:15px;color:var(--ink-2);margin:0;max-width:none}

/* ---------- calculators ---------- */
.calc{display:grid;grid-template-columns:1fr;gap:0;border:1px solid var(--rule);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:var(--surface)}
@media(min-width:900px){.calc{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr)}}
.calc-in{padding:28px 30px;background:var(--surface);border-bottom:1px solid var(--rule)}
@media(min-width:900px){.calc-in{border-bottom:0;border-right:1px solid var(--rule)}}
.calc-out{padding:28px 30px;background:var(--paper)}
.calc-h{font-family:"IBM Plex Mono",monospace;font-size:10px;letter-spacing:.15em;text-transform:uppercase;
  color:var(--muted);margin:0 0 18px;font-weight:500}
.fld{display:grid;grid-template-columns:1fr;gap:5px;margin-bottom:14px;font-size:14px;
  font-weight:600;color:var(--ink-2)}
@media(min-width:520px){.fld{grid-template-columns:1fr 148px;align-items:center;gap:14px}}
.fld .ctl{position:relative;display:flex;align-items:center}
.fld input[type=text],.fld select{width:100%;padding:9px 11px;font:inherit;font-size:15px;font-weight:500;
  color:var(--ink);background:var(--paper);border:1px solid var(--rule-strong);border-radius:4px;
  font-variant-numeric:tabular-nums;text-align:right}
.fld select{text-align:left;font-size:13.5px}
.fld input:focus,.fld select:focus{outline:2px solid var(--brand);outline-offset:1px;border-color:var(--brand)}
.fld .suffix{font-family:"IBM Plex Mono",monospace;font-size:11px;color:var(--muted);
  margin-left:8px;white-space:nowrap;min-width:38px}
.fld.f-check{grid-template-columns:1fr auto}
.fld.f-check input{width:auto;accent-color:var(--brand);transform:scale(1.2)}

.calc-out .big{font-family:"Literata",Georgia,serif;font-size:clamp(2.3rem,5.4vw,3.2rem);
  font-weight:600;letter-spacing:-.03em;color:var(--brand-text);line-height:1;margin:0 0 18px;
  font-variant-numeric:tabular-nums}
.stack{margin:0 0 22px}
.srow{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--ink-2);margin-bottom:4px}
.srow b{margin-left:auto;font-variant-numeric:tabular-nums;color:var(--ink);font-weight:600;
  font-family:"IBM Plex Mono",monospace;font-size:13px}
.sbar{height:4px;background:var(--surface-2);border-radius:2px;overflow:hidden;margin-bottom:12px}
.sbar i{display:block;height:100%;width:0;border-radius:2px;transition:width .18s ease}
.dot{width:9px;height:9px;border-radius:2px;flex:none}
.d1{background:var(--brand)}
.d2{background:var(--ink-2)}
.d3{background:var(--rule-strong)}
.d4{background:var(--note)}
.d5{background:var(--muted)}
.mini{margin:0;padding:18px 0 0;border-top:1px solid var(--rule)}
.mini>div{display:flex;gap:14px;align-items:baseline;padding:7px 0;font-size:14px}
.mini dt{color:var(--muted);flex:1}
.mini dd{margin:0;font-family:"IBM Plex Mono",monospace;font-size:13.5px;font-weight:500;
  color:var(--ink);font-variant-numeric:tabular-nums;text-align:right}
.calc-note{font-size:14px;color:var(--ink-2);line-height:1.55;margin:18px 0 0;
  padding-left:14px;border-left:2px solid var(--brand);max-width:none}
.tsub{font-size:12.5px;color:var(--muted);font-weight:400}
.calc-out .tablewrap{box-shadow:none}
.calc-out table{min-width:0;font-size:13px}
.calc-out th,.calc-out td{padding:8px 12px}