/* Copied from site/assets/site.css on 29 Sep 2026 (RESTRUCTURE.md); this copy is the maintained one. */
/* PYQGraph — public site.
   One palette, shared with the question pages in preview/ (paper, ink, one
   ink-blue). Brass appears in exactly one place: the founding-member offer.
   Green, amber and red mean correct, caution and wrong, and are never
   decoration. */

:root{
  --paper:#f7f4ee; --paper-2:#efe9de; --card:#fffdf8;
  --ink:#1d1b18; --ink-2:#3b3731; --muted:#6c665c;
  --line:#e2dccf; --rule:#c9c1b1;
  --accent:#1f4f6b; --accent-deep:#163c52; --accent-soft:#e5edf1; --on-accent:#fbfaf6;
  --brass:#8f6a2b; --brass-soft:#f2e9d6;
  --ok:#2f6a4a; --ok-bg:#e8f2eb; --warn:#8a5a15; --warn-bg:#f7eedd;
  --bad:#8f3232; --bad-bg:#f7e9e7;
  --serif:"Source Serif 4","Source Serif Pro",Georgia,"Times New Roman",serif;
  --sans:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --wrap:1180px; --gut:28px; --r:3px;
  color-scheme:light;
}
:root[data-theme="dark"]{
  --paper:#15140f; --paper-2:#1c1a15; --card:#1b1914;
  --ink:#ebe6da; --ink-2:#cfc8b9; --muted:#9e978a;
  --line:#2e2b24; --rule:#3f3b32;
  --accent:#93c1d9; --accent-deep:#b6d6e6; --accent-soft:#18272f; --on-accent:#0f1a20;
  --brass:#d2ad6b; --brass-soft:#2a2316;
  --ok:#86c3a0; --ok-bg:#13241a; --warn:#d9a95f; --warn-bg:#2a2113;
  --bad:#e39191; --bad-bg:#2b1716;
  color-scheme:dark;
}

*,*::before,*::after{box-sizing:border-box}
/* anything marked hidden stays hidden, whatever display its own style sets */
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--serif);
  font-size:18px;line-height:1.62;font-optical-sizing:auto;
  text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--accent-deep)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
h1,h2,h3,h4{font-weight:500;letter-spacing:-.015em;margin:0;color:var(--ink)}
p{margin:0 0 1em}
b,strong{font-weight:600}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
@media (max-width:640px){:root{--gut:16px} body{font-size:17px}}
.skip{position:absolute;left:-999px;top:8px;background:var(--card);padding:8px 12px;z-index:99}
.skip:focus{left:8px}

/* ---- small type ---------------------------------------------------- */
.eyebrow{font-family:var(--sans);font-size:12px;font-weight:600;letter-spacing:.14em;
  text-transform:uppercase;color:var(--muted);margin:0 0 18px}
.eyebrow i{font-style:normal;color:var(--accent)}
.fine{font-family:var(--sans);font-size:13px;color:var(--muted);line-height:1.5}
.lede{font-size:21px;line-height:1.55;color:var(--ink-2);max-width:34em}
@media (max-width:640px){.lede{font-size:19px}}
em.ink{font-style:italic;color:var(--accent)}
.num{font-variant-numeric:lining-nums tabular-nums}

/* ---- header ---------------------------------------------------------- */
.site-head{position:sticky;top:0;z-index:40;background:var(--paper);
  border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;gap:28px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.brand svg{width:30px;height:30px;flex:none}
.brand .wm{font-family:var(--serif);font-size:22px;font-weight:600;letter-spacing:-.01em;line-height:1}
.brand .wm i{font-weight:500;color:var(--accent)}
.nav{display:flex;gap:26px;margin-left:auto;align-items:center;font-family:var(--sans);font-size:14.5px}
.nav a{color:var(--ink-2);text-decoration:none;padding:6px 0;border-bottom:1px solid transparent}
.nav a:hover{color:var(--ink);border-bottom-color:var(--rule)}
.nav a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--accent)}
.nav .btn{padding:9px 16px;border-bottom:0;color:var(--on-accent)}
.nav .btn:hover,.nav a.btn[aria-current="page"]{color:var(--on-accent);border-bottom:0}
.menu{display:none;margin-left:auto;font-family:var(--sans);font-size:14.5px}
.menu summary{list-style:none;cursor:pointer;padding:8px 12px;border:1px solid var(--rule);border-radius:var(--r)}
.menu summary::-webkit-details-marker{display:none}
.menu[open] summary{background:var(--card)}
.menu .panel{position:absolute;left:0;right:0;top:68px;background:var(--paper);
  border-bottom:1px solid var(--line);padding:8px var(--gut) 20px}
.menu .panel a{display:block;padding:12px 0;border-bottom:1px solid var(--line);color:var(--ink);text-decoration:none}
.menu .panel a.btn{margin-top:16px;text-align:center;border-bottom:0;color:var(--on-accent)}
@media (max-width:900px){.nav{display:none}.menu{display:block}}

/* ---- buttons ---------------------------------------------------------- */
.btn{display:inline-block;font-family:var(--sans);font-size:15px;font-weight:600;
  text-decoration:none;padding:13px 22px;border-radius:var(--r);border:1px solid var(--accent);
  background:var(--accent);color:var(--on-accent);cursor:pointer;line-height:1.2;
  transition:background .15s,border-color .15s}
.btn:hover{background:var(--accent-deep);border-color:var(--accent-deep);color:var(--on-accent)}
.btn.ghost{background:transparent;color:var(--accent);border-color:var(--rule)}
.btn.ghost:hover{border-color:var(--accent);color:var(--accent-deep);background:transparent}
.btn.brass{background:var(--brass);border-color:var(--brass);color:#fffaf0}
.btn.brass:hover{filter:brightness(.92)}
.btn.block{display:block;text-align:center;width:100%}
.cta-row{display:flex;flex-wrap:wrap;gap:14px 22px;align-items:center}
.link-arrow{font-family:var(--sans);font-size:15px;font-weight:600;text-decoration:none}
.link-arrow::after{content:" \2192"}
.link-arrow:hover{text-decoration:underline}

/* ---- sections --------------------------------------------------------- */
.sec{padding:104px 0;border-top:1px solid var(--line)}
.sec.tint{background:var(--paper-2);border-top-color:transparent}
@media (max-width:760px){.sec{padding:68px 0}}
.sec-grid{display:grid;grid-template-columns:200px minmax(0,1fr);gap:48px}
@media (max-width:900px){.sec-grid{grid-template-columns:1fr;gap:14px}}
.sec-mark{font-family:var(--sans);font-size:12px;font-weight:600;letter-spacing:.14em;
  text-transform:uppercase;color:var(--muted);padding-top:12px;border-top:1px solid var(--ink)}
.sec-mark b{display:block;font-family:var(--serif);font-size:28px;font-weight:400;
  letter-spacing:0;text-transform:none;color:var(--accent);margin-bottom:4px;font-style:italic}
@media (max-width:900px){.sec-mark{border-top:0;padding-top:0}.sec-mark b{display:inline;font-size:16px;margin-right:6px}}
.h2{font-size:clamp(30px,3.6vw,44px);line-height:1.12;max-width:20em;margin-bottom:20px}
.h3{font-size:24px;line-height:1.25;margin-bottom:10px}
.measure{max-width:38em}
.ink-2{color:var(--ink-2)}

/* ---- hero ------------------------------------------------------------- */
.hero{padding:72px 0 96px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:64px;align-items:start}
@media (max-width:1000px){.hero-grid{grid-template-columns:1fr;gap:48px}}
.hero h1{font-size:clamp(40px,5vw,64px);line-height:1.04;letter-spacing:-.025em;
  font-weight:500;margin:0 0 26px}
.hero h1 i{color:var(--accent);font-weight:400}
.hero .lede{margin-bottom:34px}
.hero .assure{margin-top:28px;padding-top:18px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:8px 26px;font-family:var(--sans);font-size:13.5px;color:var(--muted)}
.hero .assure span::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;
  background:var(--ok);margin-right:8px;vertical-align:2px}
@media (max-width:640px){.hero{padding:44px 0 64px}}

/* ---- the question card ----------------------------------------------- */
.qcard{background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  box-shadow:0 1px 0 var(--rule), 0 18px 40px -28px rgba(40,30,10,.35)}
.qcard .qh{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
  padding:14px 22px;border-bottom:1px solid var(--line);font-family:var(--sans);font-size:12.5px;color:var(--muted)}
.qcard .qh b{color:var(--ink-2);font-weight:600}
.qcard .qb{padding:22px 22px 8px}
.qcard .stem{font-size:20px;line-height:1.45;margin:0 0 18px}
.opts{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.opts li{border-bottom:1px solid var(--line)}
.opts button{all:unset;box-sizing:border-box;display:grid;grid-template-columns:34px 1fr 22px;gap:4px;
  width:100%;padding:13px 10px;cursor:pointer;font-family:var(--serif);font-size:17px;line-height:1.45;color:var(--ink)}
.opts button:hover{background:var(--accent-soft)}
.opts button:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
.opts .k{font-family:var(--sans);font-size:13px;font-weight:600;color:var(--muted);padding-top:3px}
.opts .mk{font-family:var(--sans);font-weight:700;text-align:right}
.opts .right button{background:var(--ok-bg)}
.opts .right .mk{color:var(--ok)}
.opts .right .mk::after{content:"\2713"}
.opts .wrong button{background:var(--bad-bg)}
.opts .wrong .mk{color:var(--bad)}
.opts .wrong .mk::after{content:"\2715"}
.qcard.done .opts button{cursor:default}
.qcard.done .opts button:hover{background:inherit}
.qcard.done .opts li:not(.right):not(.wrong) button{color:var(--muted)}
.qhint{font-family:var(--sans);font-size:13px;color:var(--muted);padding:12px 22px 18px;margin:0}
.reveal{display:none;padding:4px 22px 22px}
.qcard.done .reveal{display:block}
.qcard.done .qhint{display:none}
.verdict{font-family:var(--sans);font-size:14px;font-weight:600;margin:14px 0 10px}
.verdict.ok{color:var(--ok)} .verdict.no{color:var(--bad)}
.expl{font-size:16.5px;line-height:1.6;color:var(--ink-2);margin:0 0 14px}
.label{font-family:var(--sans);font-size:11.5px;font-weight:600;letter-spacing:.12em;
  text-transform:uppercase;color:var(--muted);margin:16px 0 6px}
.traps{list-style:none;margin:0;padding:0;font-size:15.5px;line-height:1.5;color:var(--ink-2)}
.traps li{padding:7px 0 7px 0;border-top:1px dashed var(--line)}
.traps li b{font-family:var(--sans);font-size:12.5px;color:var(--muted);margin-right:6px}
.src{font-family:var(--sans);font-size:12.5px;color:var(--muted);font-style:italic;margin:14px 0 0}
.qfoot{padding:12px 22px;border-top:1px solid var(--line);font-family:var(--sans);font-size:12.5px;color:var(--muted);
  display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}

/* ---- provenance chips ------------------------------------------------- */
.chip{display:inline-flex;align-items:center;gap:6px;font-family:var(--sans);font-size:11.5px;font-weight:600;
  letter-spacing:.02em;padding:3px 9px 3px 8px;border-radius:2px;border:1px solid currentColor;white-space:nowrap;line-height:1.4}
.chip::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.chip.final{color:var(--ok);background:var(--ok-bg)}
.chip.examday{color:var(--warn);background:var(--warn-bg)}
.chip.model{color:var(--accent);background:var(--accent-soft)}
.chip.single{color:var(--muted);background:var(--paper-2)}
.chip.deleted{color:var(--muted);background:transparent;text-decoration:line-through}

/* ---- figures ledger ---------------------------------------------------- */
.ledger{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));border-top:1px solid var(--ink);border-bottom:1px solid var(--line)}
.ledger>div{padding:26px 22px 24px;border-left:1px solid var(--line)}
.ledger>div:first-child{border-left:0;padding-left:0}
.ledger .n{font-size:clamp(34px,3.8vw,48px);line-height:1;font-weight:400;letter-spacing:-.02em;
  font-variant-numeric:lining-nums tabular-nums;margin-bottom:10px}
.ledger .l{font-family:var(--sans);font-size:13.5px;line-height:1.4;color:var(--muted);max-width:14em}
@media (max-width:900px){.ledger{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ledger>div{border-left:0;padding-left:0;border-top:1px solid var(--line)}
  .ledger>div:nth-child(-n+2){border-top:0}
  .ledger>div:nth-child(even){padding-left:18px;border-left:1px solid var(--line)}
  .ledger>div:last-child{grid-column:1/-1;border-left:0;padding-left:0}}
.ledger-note{margin-top:14px}

/* ---- provenance table -------------------------------------------------- */
.prov{width:100%;border-collapse:collapse;margin-top:10px}
.prov td{padding:22px 16px 22px 0;border-top:1px solid var(--line);vertical-align:top}
.prov tr:last-child td{border-bottom:1px solid var(--line)}
.prov td.c{width:240px}
.prov td.d{color:var(--ink-2);font-size:17px}
.prov td.n{text-align:right;width:130px;padding-right:0}
.prov .cnt{font-size:28px;line-height:1;font-variant-numeric:lining-nums tabular-nums}
.prov .share{font-family:var(--sans);font-size:12.5px;color:var(--muted);margin-top:6px}
.bar{height:3px;background:var(--line);margin-top:10px;position:relative}
.bar i{position:absolute;left:0;top:0;bottom:0;background:currentColor}
@media (max-width:760px){.prov,.prov tbody,.prov tr,.prov td{display:block;width:auto!important}
  .prov tr{border-top:1px solid var(--line);padding:18px 0}
  .prov td{border:0!important;padding:4px 0}
  .prov td.n{text-align:left;display:flex;gap:14px;align-items:baseline}
  .prov .share{margin:0}.prov .bar{display:none}}
.held{margin-top:26px;padding:20px 22px;border-left:3px solid var(--accent);background:var(--card);max-width:46em}
.held p{margin:0;color:var(--ink-2);font-size:17px}

/* ---- figures (photographs) -------------------------------------------- */
figure{margin:0}
.photo{background:var(--paper-2);border-radius:var(--r);overflow:hidden}
.photo img{width:100%;height:100%;object-fit:cover}
figcaption{font-family:var(--sans);font-size:12.5px;color:var(--muted);margin-top:10px;line-height:1.5}
figcaption b{color:var(--ink-2);font-weight:600;margin-right:4px}
.plate{margin:0;position:relative}
.plate .photo{aspect-ratio:21/9}
@media (max-width:760px){.plate .photo{aspect-ratio:4/3}}
.statement{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:64px;align-items:center}
@media (max-width:900px){.statement{grid-template-columns:1fr;gap:32px}}
.statement blockquote{margin:0;font-size:clamp(26px,3vw,36px);line-height:1.3;font-weight:400;letter-spacing:-.01em}
.statement blockquote i{color:var(--accent)}

/* ---- anatomy (marginal notes) ----------------------------------------- */
.anatomy{display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);gap:56px;align-items:start}
@media (max-width:1000px){.anatomy{grid-template-columns:1fr;gap:36px}}
.notes{list-style:none;margin:0;padding:0;counter-reset:n}
.notes li{display:grid;grid-template-columns:44px 1fr;gap:8px;padding:18px 0;border-top:1px solid var(--line)}
.notes li:last-child{border-bottom:1px solid var(--line)}
.notes li::before{counter-increment:n;content:counter(n);font-style:italic;font-size:26px;line-height:1;color:var(--accent)}
.notes h4{font-size:19px;margin:0 0 4px}
.notes p{margin:0;color:var(--ink-2);font-size:16.5px}
.spec{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px 26px 22px}
.spec .tag{display:inline-block;font-family:var(--sans);font-size:11px;font-weight:700;color:var(--accent);
  border:1px solid var(--accent);border-radius:50%;width:20px;height:20px;line-height:18px;text-align:center;margin-right:8px;vertical-align:2px}
.spec .row{margin-bottom:16px}
.spec .row:last-child{margin-bottom:0}
.spec .concept{font-style:italic;color:var(--ink)}

.spec .row{display:grid;grid-template-columns:30px 1fr}
.spec .row .tag{margin:3px 0 0}
.spec .ink-2,.spec .src{line-height:1.55}

/* ---- plans, compact (home) --------------------------------------------- */
.minis{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border:1px solid var(--rule);border-radius:var(--r);background:var(--card)}
.mini{padding:30px 28px 28px;border-left:1px solid var(--line);position:relative}
.mini:first-child{border-left:0}
.mini.feature{outline:2px solid var(--accent);outline-offset:-1px;background:var(--paper)}
.mini .ribbon{position:absolute;top:-12px;left:28px;font-family:var(--sans);font-size:10.5px;font-weight:700;
  letter-spacing:.12em;text-transform:uppercase;background:var(--brass);color:#fffaf0;padding:4px 9px;border-radius:2px}
.mini h4{font-size:21px;margin:0 0 14px}
.mini .price .amt{font-size:44px}
.mini .price-note{margin:0 0 14px;min-height:0}
.mini .who{font-size:16px;color:var(--ink-2);margin:0 0 18px;padding-top:14px;border-top:1px solid var(--line)}
@media (max-width:900px){.minis{grid-template-columns:1fr;border:0;background:transparent;gap:24px}
  .mini{border:1px solid var(--line);border-radius:var(--r);background:var(--card)}
  .mini:first-child{border-left:1px solid var(--line)}
  .mini.feature{order:-1;margin-top:10px}}

/* ---- library ---------------------------------------------------------- */
.states{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--ink)}
.states>div{padding:20px 22px 20px 0;border-bottom:1px solid var(--line)}
.states h4{font-size:20px;margin:0 0 4px}
.states p{margin:0;font-family:var(--sans);font-size:13.5px;color:var(--muted);line-height:1.5}
@media (max-width:900px){.states{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.states{grid-template-columns:1fr}}
.lib{width:100%;border-collapse:collapse;font-size:16.5px}
.lib th{font-family:var(--sans);font-size:11.5px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  color:var(--muted);text-align:left;padding:10px 12px 10px 0;border-bottom:1px solid var(--ink)}
.lib td{padding:14px 12px 14px 0;border-bottom:1px solid var(--line);vertical-align:top}
.lib td.q,.lib th.q{text-align:right}
.lib tr.state td{padding-top:36px;border-bottom:1px solid var(--rule)}
.lib tr.state h3{font-size:24px}
.lib tr.state span{font-family:var(--sans);font-size:13px;color:var(--muted);margin-left:10px}
.lib .paper{font-family:var(--sans);font-size:13px;color:var(--muted)}
@media (max-width:700px){.lib thead{display:none}.lib,.lib tbody,.lib tr,.lib td{display:block}
  .lib tr:not(.state){display:grid;grid-template-columns:1fr auto;gap:2px 14px;padding:12px 0;border-bottom:1px solid var(--line)}
  .lib tr:not(.state) td{border:0;padding:0}
  .lib td.q{grid-row:1/3;grid-column:2;align-self:center}
  .lib td.k{grid-column:1}}

/* ---- commitments ------------------------------------------------------ */
.vows{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 56px}
.vows li{padding:24px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:48px 1fr}
.vows .rn{font-style:italic;color:var(--accent);font-size:20px}
.vows h4{font-size:20px;margin:0 0 6px}
.vows p{margin:0;color:var(--ink-2);font-size:16.5px}
@media (max-width:800px){.vows{grid-template-columns:1fr}}

/* ---- plans ------------------------------------------------------------- */
.plans{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border:1px solid var(--line);
  border-radius:var(--r);background:var(--card)}
.plan{padding:34px 30px 32px;border-left:1px solid var(--line);display:flex;flex-direction:column;position:relative}
.plan:first-child{border-left:0}
.plan.feature{background:var(--paper);outline:2px solid var(--accent);outline-offset:-1px;z-index:1}
.plan .ribbon{position:absolute;top:-13px;left:30px;font-family:var(--sans);font-size:11px;font-weight:700;
  letter-spacing:.12em;text-transform:uppercase;background:var(--brass);color:#fffaf0;padding:5px 10px;border-radius:2px}
.plan h3{font-size:26px;margin:0 0 4px}
.plan .for{font-family:var(--sans);font-size:13.5px;line-height:1.5;color:var(--muted);margin:0 0 22px;min-height:42px}
.price{display:flex;align-items:baseline;gap:6px;margin-bottom:4px}
.price .amt{font-size:52px;line-height:1;letter-spacing:-.03em;font-variant-numeric:lining-nums}
.price .amt sup{font-size:.42em;vertical-align:.95em;margin-right:4px;letter-spacing:0;color:var(--muted)}
.price .per{font-family:var(--sans);font-size:14px;color:var(--muted)}
.price-note{font-family:var(--sans);font-size:13px;color:var(--muted);margin:0 0 24px;min-height:20px}
.price-note b{color:var(--brass)}
.plan .btn{margin-bottom:26px}
.incl{list-style:none;margin:0;padding:0;font-size:16px;line-height:1.45}
.incl li{padding:8px 0 8px 26px;position:relative;border-top:1px solid var(--line);color:var(--ink-2)}
.incl li::before{content:"\2713";position:absolute;left:2px;top:8px;font-family:var(--sans);font-weight:700;font-size:13px;color:var(--ok)}
.incl li.soon::before{content:"\25CB";color:var(--muted)}
.incl li.soon{color:var(--muted)}
.incl li.soon em{font-family:var(--sans);font-style:normal;font-size:11px;font-weight:600;letter-spacing:.08em;
  text-transform:uppercase;color:var(--warn);margin-left:6px}
.incl .grp{font-family:var(--sans);font-size:11.5px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  color:var(--muted);padding:18px 0 6px;border:0}
.incl .grp::before{content:none}
@media (max-width:980px){.plans{grid-template-columns:1fr;border:0;background:transparent;gap:28px}
  .plan{border:1px solid var(--line);border-radius:var(--r);background:var(--card)}
  .plan:first-child{border-left:1px solid var(--line)}
  .plan .for,.price-note{min-height:0}
  .plan.feature{order:-1;margin-top:10px}}
.notice{display:flex;gap:16px;align-items:flex-start;padding:18px 22px;background:var(--card);
  border:1px solid var(--line);border-left:3px solid var(--brass);border-radius:var(--r);margin:0 0 44px}
.notice p{margin:0;font-size:16.5px;color:var(--ink-2)}
.notice b{color:var(--ink)}

.compare{width:100%;border-collapse:collapse;font-size:16.5px}
.compare th,.compare td{padding:14px 12px;border-bottom:1px solid var(--line);text-align:center}
.compare th:first-child,.compare td:first-child{text-align:left;padding-left:0}
.compare thead th{font-family:var(--sans);font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;
  color:var(--muted);border-bottom:1px solid var(--ink)}
.compare td .y{color:var(--ok);font-family:var(--sans);font-weight:700}
.compare td .n{color:var(--rule);font-family:var(--sans)}
.compare td .s{font-family:var(--sans);font-size:12px;color:var(--warn);font-weight:600}
.compare tr.grp td{font-family:var(--sans);font-size:11.5px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  color:var(--muted);padding-top:28px;text-align:left}
.scroll-x{overflow-x:auto;-webkit-overflow-scrolling:touch}
@media (max-width:640px){.compare{font-size:15px}.compare th,.compare td{padding:12px 6px}}

/* ---- faq --------------------------------------------------------------- */
.faq{border-top:1px solid var(--ink);max-width:52em}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:20px 40px 20px 0;font-size:20px;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:16px;font-family:var(--sans);font-size:24px;
  font-weight:300;color:var(--accent)}
.faq details[open] summary::after{content:"\2212"}
.faq .a{padding:0 40px 22px 0;color:var(--ink-2);font-size:17px}
.faq .a p:last-child{margin:0}

/* ---- steps (method) ---------------------------------------------------- */
.steps{list-style:none;margin:0;padding:0;counter-reset:s;border-top:1px solid var(--ink)}
.steps>li{display:grid;grid-template-columns:90px minmax(0,1fr) minmax(0,.8fr);gap:28px;padding:30px 0;border-bottom:1px solid var(--line)}
.steps>li::before{counter-increment:s;content:counter(s,upper-roman);font-style:italic;font-size:30px;color:var(--accent);line-height:1}
.steps h3{font-size:23px;margin:0 0 8px}
.steps p{margin:0;color:var(--ink-2)}
.steps aside{font-family:var(--sans);font-size:13.5px;color:var(--muted);line-height:1.55;border-left:1px solid var(--line);padding-left:20px}
.steps aside b{color:var(--ink-2)}
@media (max-width:900px){.steps>li{grid-template-columns:48px 1fr}.steps aside{grid-column:2;border-left:0;padding-left:0}}

/* ---- two-column prose -------------------------------------------------- */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:64px;align-items:center}
.split.top{align-items:start}
@media (max-width:900px){.split{grid-template-columns:1fr;gap:36px}}
.prose p{color:var(--ink-2)}
.prose h3{margin-top:30px}
.page-head{padding:72px 0 56px;border-bottom:1px solid var(--line)}
.page-head h1{font-size:clamp(38px,5vw,60px);line-height:1.06;letter-spacing:-.025em;max-width:15em;margin-bottom:22px}
.page-head h1 i{color:var(--accent);font-weight:400}
@media (max-width:640px){.page-head{padding:44px 0 36px}}

/* ---- closing band ------------------------------------------------------ */
.closing{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1fr);gap:72px;align-items:center}
.closing .photo{aspect-ratio:4/5}
.closing.noimg{display:block;text-align:center;max-width:54em}
.closing.noimg .measure{margin-left:auto;margin-right:auto}
.closing.noimg .cta-row{justify-content:center}
.closing.noimg .h2{margin-left:auto;margin-right:auto}
@media (max-width:900px){.closing{grid-template-columns:1fr;gap:36px}.closing .photo{aspect-ratio:4/3}}

/* ---- forms ------------------------------------------------------------- */
.form{display:grid;gap:18px;max-width:34em}
.form label{display:grid;gap:6px;font-family:var(--sans);font-size:13.5px;font-weight:600;color:var(--ink-2)}
.form input,.form select,.form textarea{font:inherit;font-family:var(--serif);font-size:17px;font-weight:400;
  padding:12px 14px;border:1px solid var(--rule);border-radius:var(--r);background:var(--card);color:var(--ink);width:100%}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--accent);outline-offset:-1px;border-color:var(--accent)}
.form .hint{font-weight:400;color:var(--muted)}
.choice{display:grid;gap:10px}
.choice label{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border:1px solid var(--rule);
  border-radius:var(--r);background:var(--card);cursor:pointer;font-family:var(--serif);font-size:17px;font-weight:400;color:var(--ink)}
.choice label:has(input:checked){border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}
.choice input{width:auto;margin-top:5px;accent-color:var(--accent)}
.choice small{display:block;font-family:var(--sans);font-size:13px;color:var(--muted)}
.thanks{display:none;padding:22px;border:1px solid var(--line);border-left:3px solid var(--ok);background:var(--card);max-width:34em}
.thanks.on{display:block}

/* ---- footer ------------------------------------------------------------ */
.site-foot{border-top:1px solid var(--ink);padding:56px 0 40px;margin-top:0;background:var(--paper)}
.foot-grid{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(3,minmax(0,1fr));gap:40px}
.foot-grid h5{font-family:var(--sans);font-size:11.5px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  color:var(--muted);margin:0 0 12px}
.foot-grid ul{list-style:none;margin:0;padding:0;font-family:var(--sans);font-size:14.5px}
.foot-grid li{margin:0 0 8px}
.foot-grid a{color:var(--ink-2);text-decoration:none}
.foot-grid a:hover{color:var(--accent);text-decoration:underline}
.foot-grid .about{font-size:16px;color:var(--ink-2);max-width:26em;margin-top:14px}
.foot-base{margin-top:44px;padding-top:18px;border-top:1px solid var(--line);display:flex;justify-content:space-between;
  gap:12px;flex-wrap:wrap}
@media (max-width:800px){.foot-grid{grid-template-columns:1fr 1fr}.foot-grid>div:first-child{grid-column:1/-1}}

.theme-toggle{all:unset;cursor:pointer;font-family:var(--sans);font-size:13px;color:var(--muted);border-bottom:1px dotted var(--rule)}
.theme-toggle:hover{color:var(--ink)}
.draft{font-family:var(--sans);font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:var(--warn);border:1px solid var(--warn);padding:2px 7px;border-radius:2px;vertical-align:4px;margin-left:8px}

/* ---- phone / desktop text switches (docs/MOBILE.md section 7) ----------- */
.m-only{display:none}
@media (max-width:640px){
  .m-hide{display:none!important}
  .m-only{display:revert}
}

.ledger.ledger-4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:900px){
  .ledger.ledger-4{grid-template-columns:repeat(3,minmax(0,1fr))}
  .ledger.ledger-4>div{border-top:0!important;padding-left:12px!important;border-left:1px solid var(--line)!important}
  .ledger.ledger-4>div:first-child{border-left:0!important;padding-left:0!important}
  .ledger.ledger-4 .n{font-size:30px}
}

/* library: one row per state, tap to open its papers */
.states-list{border-top:1px solid var(--ink)}
.st-row{border-bottom:1px solid var(--line)}
.st-row summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:baseline;gap:6px 16px;flex-wrap:wrap;padding:16px 34px 16px 0;position:relative}
.st-row summary::-webkit-details-marker{display:none}
.st-row summary::after{content:"+";position:absolute;right:4px;top:13px;font-family:var(--sans);font-size:22px;color:var(--accent)}
.st-row[open] summary::after{content:"\2212"}
.st-row .sn{font-size:21px}
.st-row .sm{font-family:var(--sans);font-size:13px;color:var(--muted)}
.plist{list-style:none;margin:0 0 14px;padding:0}
.plist li{display:grid;grid-template-columns:56px 1fr auto;gap:4px 14px;align-items:baseline;padding:10px 0;border-top:1px dashed var(--line);font-size:16px}
.plist .py{font-family:var(--sans);font-size:13.5px;color:var(--ink-2);font-variant-numeric:tabular-nums}
@media (max-width:640px){.plist li{grid-template-columns:44px 1fr}.plist li > :last-child{grid-column:2}.st-row .sn{font-size:19px}}
/* plans: fold the long feature list on phones */
@media (max-width:640px){
  .incl:not(.unfold) .m-fold{display:none}
  .incl .fold-btn{border-top:0;padding-left:0}
  .incl .fold-btn::before{content:none}
  .incl .fold-btn button{all:unset;cursor:pointer;font-family:var(--sans);font-size:14px;font-weight:600;color:var(--accent);text-decoration:underline;text-underline-offset:3px;padding:6px 0}
  .incl.unfold .fold-btn{display:none}
}

/* the big number: the size of the library, said once, large (user, 27 Sep) */
.bignum{background:var(--accent);color:var(--on-accent);text-align:center;padding:72px 0 76px}
.bignum-n{font-size:clamp(84px,16vw,200px);line-height:.9;letter-spacing:-.045em;font-weight:500;margin:0;
  font-variant-numeric:lining-nums;color:#fbfaf6}
.bignum-l{font-size:clamp(20px,2.4vw,28px);margin:14px 0 0;color:#fbfaf6;font-style:italic;font-weight:400}
.bignum-s{display:flex;justify-content:center;flex-wrap:wrap;gap:6px 0;margin:22px 0 30px;font-family:var(--sans);font-size:14px;
  letter-spacing:.04em;color:rgba(251,250,246,.78)}
.bignum-s span+span::before{content:"·";margin:0 12px;color:rgba(251,250,246,.5)}
.bignum .btn{background:#fbfaf6;border-color:#fbfaf6;color:var(--accent)}
.bignum .btn:hover{background:#fff;color:var(--accent-deep)}
.btn-lg{padding:15px 28px;font-size:16px}
:root[data-theme="dark"] .bignum{background:#12303f}
@media (max-width:640px){.bignum{padding:52px 0 56px}.bignum-n{font-size:25vw}.bignum-l{font-size:19px}.bignum .btn{width:100%}}

/* ---- emotional hero (user choice, 27 Sep): full-bleed night photo ------- */
/* exactly the first screen below the 69 px header, so nothing of the next
   section peeks in (owner, 7 Oct); never shorter than the content needs */
.eh{position:relative;min-height:max(560px,calc(100vh - 69px));min-height:max(560px,calc(100svh - 69px));
  display:flex;align-items:center;overflow:hidden;
  background:#0d1117;color:#f4efe5}
.eh picture,.eh .eh-bg{position:absolute;inset:0;width:100%;height:100%}
.eh .eh-bg{object-fit:cover;object-position:70% 50%}
.eh-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,14,20,.88) 0%,rgba(10,14,20,.64) 42%,rgba(10,14,20,.08) 76%)}
.eh-in{position:relative;z-index:1;width:100%}
.eh-text{max-width:640px}
.eh .eyebrow{color:rgba(244,239,229,.72)}
.eh h1{font-size:clamp(42px,5.4vw,78px);line-height:1.04;letter-spacing:-.025em;font-weight:500;color:#fbf7ef;margin:0 0 22px}
.eh h1 i{color:#e9c989;font-weight:400}
.eh-sub{font-size:clamp(18px,1.6vw,21px);line-height:1.55;color:rgba(244,239,229,.88);max-width:32em;margin:0 0 30px}
.eh .btn.light{background:#fbf7ef;border-color:#fbf7ef;color:#16303f}
.eh .btn.light:hover{background:#fff;color:#0f2330}
.eh .link-arrow{color:#e9c989}
.eh-note{font-family:var(--sans);font-size:13px;color:rgba(244,239,229,.64);margin:18px 0 0}
/* tablet, and phones until the portrait photo exists: photo on top, words below */
@media (max-width:900px){
  .eh{flex-direction:column;align-items:stretch;min-height:0}
  .eh picture{position:relative;display:block;height:56vw;min-height:240px}
  .eh .eh-bg{position:absolute}
  .eh-shade{bottom:auto;height:56vw;min-height:240px;background:linear-gradient(0deg,#0d1117 0%,rgba(13,17,23,0) 60%)}
  .eh-in{padding-top:0;padding-bottom:44px;margin-top:-36px}
}
/* phones: the portrait photo made for the phone (option 2, chosen 27 Sep) --
   the aspirant bright in the top half, the words on its naturally dark lower half */
@media (max-width:640px){
  .eh.has-tall{min-height:min(92svh,786px);justify-content:flex-end}
  .eh.has-tall picture{position:absolute;inset:0;height:auto;min-height:0}
  .eh.has-tall .eh-bg{object-position:50% 30%}
  .eh.has-tall .eh-shade{height:auto;min-height:0;inset:0;background:linear-gradient(0deg,rgba(8,10,14,.82) 0%,rgba(8,10,14,.55) 32%,rgba(8,10,14,0) 52%)}
  .eh.has-tall .eh-in{margin-top:0;padding-bottom:26px}
  .eh h1{font-size:40px}
  .eh-sub{font-size:17px;margin-bottom:20px}
  .eh .btn{width:100%;text-align:center}
}

/* the number band continues the night hero instead of switching to flat blue
   (user, 27 Sep): same deep night tone, cream figure with a gold plus, a thin
   lamp-gold rule, the hero's cream button */
.bignum{background:#0e1116;padding:78px 0 84px;position:relative}
.bignum::before{content:"";position:absolute;left:50%;top:0;width:min(420px,60%);height:1px;transform:translateX(-50%);
  background:linear-gradient(90deg,rgba(233,201,137,0),rgba(233,201,137,.45),rgba(233,201,137,0))}
.bignum-n{color:#fbf7ef}
.bignum-n .plus{color:#e9c989}
.bignum-l{color:#e9c989}
.bignum-s{color:rgba(244,239,229,.62)}
.bignum-s span+span::before{color:rgba(233,201,137,.55)}
.bignum .btn{background:#fbf7ef;border-color:#fbf7ef;color:#16303f}
.bignum .btn:hover{background:#fff;color:#0f2330}
:root[data-theme="dark"] .bignum{background:#0e1116}
@media (max-width:640px){.bignum{padding:56px 0 60px}}

/* ---- day / night hero (user, 27 Sep): light mode shows the daylight photo
   with ink text on a cream wash; dark mode keeps the night photo. Only the
   photo for the current mode is fetched (the hidden one is lazy). ---------- */
.eh-day{display:none}
.eh.has-day .eh-day{display:block}
.eh.has-day .eh-night{display:none}
:root[data-theme="dark"] .eh.has-day .eh-day{display:none}
:root[data-theme="dark"] .eh.has-day .eh-night{display:block}
.eh .eh-day,.eh .eh-night{position:absolute;inset:0}

:root:not([data-theme="dark"]) .eh.has-day{background:var(--paper);color:var(--ink)}
:root:not([data-theme="dark"]) .eh.has-day .eh-shade{
  background:linear-gradient(90deg,rgba(247,244,238,.95) 0%,rgba(247,244,238,.82) 40%,rgba(247,244,238,0) 74%)}
:root:not([data-theme="dark"]) .eh.has-day .eyebrow{color:var(--muted)}
:root:not([data-theme="dark"]) .eh.has-day h1{color:var(--ink)}
:root:not([data-theme="dark"]) .eh.has-day h1 i{color:var(--accent)}
:root:not([data-theme="dark"]) .eh.has-day .eh-sub{color:var(--ink-2)}
:root:not([data-theme="dark"]) .eh.has-day .btn.light{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
:root:not([data-theme="dark"]) .eh.has-day .btn.light:hover{background:var(--accent-deep);border-color:var(--accent-deep)}
:root:not([data-theme="dark"]) .eh.has-day .link-arrow{color:var(--accent)}
:root:not([data-theme="dark"]) .eh.has-day .eh-note{color:var(--muted)}
@media (max-width:900px){
  :root:not([data-theme="dark"]) .eh.has-day{background:var(--paper)}
  :root:not([data-theme="dark"]) .eh.has-day .eh-shade{background:linear-gradient(0deg,var(--paper) 0%,rgba(247,244,238,0) 60%)}
}
@media (max-width:640px){
  :root:not([data-theme="dark"]) .eh.has-day.has-tall .eh-shade{
    background:linear-gradient(0deg,rgba(247,244,238,.97) 0%,rgba(247,244,238,.88) 34%,rgba(247,244,238,0) 56%)}
}

/* ---- the number band, its own colours in each mode ---------------------- */
/* light: warm sand, ink figure, brass plus and line */
:root:not([data-theme="dark"]) .bignum{background:#eadcbf}
:root:not([data-theme="dark"]) .bignum::before{background:linear-gradient(90deg,rgba(143,106,43,0),rgba(143,106,43,.55),rgba(143,106,43,0))}
:root:not([data-theme="dark"]) .bignum-n{color:#2a2118}
:root:not([data-theme="dark"]) .bignum-n .plus{color:#8f6a2b}
:root:not([data-theme="dark"]) .bignum-l{color:#7a5a24}
:root:not([data-theme="dark"]) .bignum-s{color:#5f5446}
:root:not([data-theme="dark"]) .bignum-s span+span::before{color:rgba(143,106,43,.6)}
:root:not([data-theme="dark"]) .bignum .btn{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
:root:not([data-theme="dark"]) .bignum .btn:hover{background:var(--accent-deep);border-color:var(--accent-deep)}
/* phone, light mode: the small label sits where photo meets wash -- give it ink */
@media (max-width:640px){
  :root:not([data-theme="dark"]) .eh.has-day.has-tall .eyebrow{color:var(--ink-2)}
  :root:not([data-theme="dark"]) .eh.has-day.has-tall .eh-shade{
    background:linear-gradient(0deg,rgba(247,244,238,.97) 0%,rgba(247,244,238,.9) 40%,rgba(247,244,238,0) 60%)}
}

/* light / dark button in the top bar (user, 27 Sep): one small outline square */
.theme-toggle{all:unset;box-sizing:border-box;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border:1px solid var(--rule);border-radius:var(--r);color:var(--ink-2);flex:none}
.theme-toggle:hover{border-color:var(--accent);color:var(--accent)}
.theme-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.theme-toggle svg{width:18px;height:18px}
.theme-toggle .i-sun{display:none}
:root[data-theme="dark"] .theme-toggle .i-sun{display:block}
:root[data-theme="dark"] .theme-toggle .i-moon{display:none}
.theme-toggle.t-sm{display:none}
@media (max-width:900px){.theme-toggle.t-sm{display:inline-flex;margin-left:auto;margin-right:10px}.menu{margin-left:0}}

/* ---- account button (top right, every page) ------------------------------ */
.acct{position:relative;display:inline-flex;flex:none}
.acct-in{display:inline-flex;align-items:center;gap:7px;height:36px;padding:0 12px;border:1px solid var(--rule);
  border-radius:var(--r);font-family:var(--sans);font-size:14px;font-weight:600;color:var(--ink-2);text-decoration:none;box-sizing:border-box}
.acct-in:hover{border-color:var(--accent);color:var(--accent)}
.acct-ico{width:17px;height:17px;flex:none}
.acct-me{all:unset;cursor:pointer;width:36px;height:36px;border-radius:50%;background:var(--accent);color:var(--on-accent);
  display:inline-flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:17px;font-weight:600}
.acct-me:focus-visible,.acct-in:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.acct-menu{position:absolute;right:0;top:44px;min-width:230px;background:var(--card);border:1px solid var(--line);border-radius:6px;
  box-shadow:0 18px 40px -20px rgba(30,20,10,.45);padding:8px;z-index:80;font-family:var(--sans);font-size:14.5px}
.acct-menu .acct-note{margin:6px 10px;font-size:12.5px;line-height:1.4;color:var(--warn)}
.acct-menu .acct-email{margin:4px 10px 8px;padding-bottom:8px;border-bottom:1px solid var(--line);font-size:12.5px;color:var(--muted);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.acct-menu a,.acct-menu button{all:unset;box-sizing:border-box;display:block;width:100%;padding:10px 10px;border-radius:4px;color:var(--ink);cursor:pointer}
.acct-menu a:hover,.acct-menu button:hover{background:var(--paper-2)}
.acct-menu .acct-out{color:var(--bad)}
.acct.acct-sm{display:none}
@media (max-width:900px){
  .acct.acct-sm{display:inline-flex;margin-right:8px}
  .acct.acct-sm .acct-lbl{display:none}
  .acct.acct-sm .acct-in{width:36px;padding:0;justify-content:center}
  .theme-toggle.t-sm{margin-right:8px}
}
@media (max-width:640px){
  .acct .acct-lbl{display:none}
  .acct .acct-in{width:36px;padding:0;justify-content:center}
  /* the menu becomes a bottom sheet, in thumb reach */
  .acct-menu{position:fixed;left:0;right:0;top:auto;bottom:0;border-radius:14px 14px 0 0;min-width:0;
    padding:10px 12px calc(14px + env(safe-area-inset-bottom));font-size:16px}
  .acct-menu a,.acct-menu button{padding:14px 12px}
}

/* ---- sign-in page -------------------------------------------------------- */
.signin{min-height:calc(100vh - 69px);display:flex;align-items:flex-start;justify-content:center;padding:72px var(--gut) 80px;background:var(--paper-2)}
.si-card{width:100%;max-width:440px;background:var(--card);border:1px solid var(--line);border-radius:8px;padding:34px 32px 30px;
  box-shadow:0 24px 48px -32px rgba(30,20,10,.45)}
.si-card h1{font-size:32px;line-height:1.1;letter-spacing:-.02em;margin:0 0 12px;word-break:break-word}
.si-card h1 i{color:var(--accent);font-weight:400}
.si-lede{color:var(--ink-2);font-size:17px;margin:0 0 22px}
.si-card .form{max-width:none;gap:14px}
.si-card .form input{font-size:17px}
.si-points{list-style:none;margin:22px 0 0;padding:16px 0 0;border-top:1px solid var(--line);font-family:var(--sans);font-size:13.5px;color:var(--ink-2)}
.si-points li{padding:4px 0 4px 22px;position:relative}
.si-points li::before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:700}
/* the real sign-in (B3a): errors, the signed-out notice, the small links */
.si-err{margin:0;font-family:var(--sans);font-size:14px;color:var(--bad)}
.si-out{margin:0 0 18px;padding:12px 14px;border:1px solid var(--warn);background:var(--warn-bg);color:var(--ink);border-radius:var(--r);font-family:var(--sans);font-size:14px;line-height:1.45}
.si-card #si-code{letter-spacing:.3em;font-variant-numeric:tabular-nums}
.si-links{margin-top:16px}
.si-link{background:none;border:0;padding:10px 0;font:inherit;color:var(--accent);text-decoration:underline;cursor:pointer}
.si-link:disabled{color:var(--muted);text-decoration:none;cursor:default}
@media (max-width:640px){
  .signin{padding:24px 16px 40px;background:var(--paper)}
  .si-card{border:0;box-shadow:none;padding:8px 0 0;background:transparent}
  .si-card h1{font-size:30px}
  .si-card .btn{padding:15px}
}
/* phone top bar: logo, then light/dark, account and Menu, tightly spaced */
@media (max-width:900px){
  .site-head .wrap{gap:0}
  .site-head .brand{margin-right:auto}
  .theme-toggle.t-sm{margin-left:0;margin-right:6px}
  .acct.acct-sm{margin-right:6px}
}
@media (max-width:400px){.site-head .brand .wm{font-size:20px}.site-head .brand svg{width:26px;height:26px}}

/* ---- connection banner (assets/net.js) ----------------------------------- */
.netbar{position:fixed;left:50%;bottom:22px;transform:translate(-50%,160%);z-index:90;max-width:min(560px,calc(100% - 32px));
  background:var(--ink);color:var(--paper);font-family:var(--sans);font-size:14px;line-height:1.45;padding:12px 16px;border-radius:8px;
  box-shadow:0 16px 36px -18px rgba(0,0,0,.55);transition:transform .25s ease;pointer-events:none}
.netbar.on{transform:translate(-50%,0)}
.netbar.off{border-left:4px solid var(--warn)}
.netbar.ok{border-left:4px solid var(--ok)}
@media (max-width:640px){
  .netbar{bottom:calc(14px + env(safe-area-inset-bottom));font-size:13.5px}
  body.tabs .netbar,body:has(.start-bar.on) .netbar,body:has(.pp-nav) .netbar{bottom:calc(82px + env(safe-area-inset-bottom))}
}

/* ---- 18,000+ : counting number in a frame with a travelling gold light ---- */
@property --bn-a{syntax:"<angle>";inherits:false;initial-value:0deg}
.bn-frame{--g1:#e9c989;--g2:#fff6e0;--g0:rgba(233,201,137,.30);
  position:relative;display:inline-block;padding:14px 40px 18px;border-radius:18px;isolation:isolate}
:root:not([data-theme="dark"]) .bn-frame{--g1:#a8741c;--g2:#ffe7a8;--g0:rgba(143,106,43,.30)}
/* the border: a faint gold ring, and a bright arc that runs round it */
.bn-frame::before{content:"";position:absolute;inset:0;border-radius:inherit;padding:2px;z-index:-1;
  background:conic-gradient(from var(--bn-a),var(--g0) 0deg,var(--g0) 220deg,var(--g1) 290deg,var(--g2) 325deg,var(--g1) 348deg,var(--g0) 360deg);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;
  animation:bn-run 4.5s linear infinite}
/* a soft gold glow behind the frame */
.bn-frame::after{content:"";position:absolute;inset:-18px;border-radius:30px;z-index:-2;opacity:.0;
  background:radial-gradient(60% 60% at 50% 55%,var(--g0),transparent 70%);transition:opacity 1.2s ease}
.bn-frame.bn-done::after,.bn-frame:not(.bn-ready)::after{opacity:1}
@keyframes bn-run{to{--bn-a:360deg}}
.bignum-n{font-variant-numeric:lining-nums tabular-nums}
.bignum-n .bn-v{display:inline-block;min-width:4.6ch;text-align:right}
/* the + waits for the count, then lands */
.bn-frame.bn-ready .plus{display:inline-block;opacity:0;transform:scale(.4) translateY(-.1em)}
.bn-frame.bn-done .plus{animation:bn-plus .55s cubic-bezier(.2,1.6,.4,1) forwards}
@keyframes bn-plus{to{opacity:1;transform:none}}
/* one glint across the digits when the count finishes */
.bn-frame.bn-done .bn-v{background:linear-gradient(100deg,currentColor 0 38%,var(--g2) 48%,var(--g1) 52%,currentColor 62% 100%);
  background-size:260% 100%;background-position:100% 0;-webkit-background-clip:text;background-clip:text;color:transparent;
  animation:bn-glint 1.4s ease-out .1s forwards}
:root:not([data-theme="dark"]) .bn-frame.bn-done .bn-v{background-image:linear-gradient(100deg,#2a2118 0 38%,var(--g2) 48%,var(--g1) 52%,#2a2118 62% 100%)}
:root[data-theme="dark"] .bn-frame.bn-done .bn-v{background-image:linear-gradient(100deg,#fbf7ef 0 38%,var(--g2) 48%,var(--g1) 52%,#fbf7ef 62% 100%)}
@keyframes bn-glint{to{background-position:0 0}}
@media (max-width:640px){.bn-frame{padding:8px 18px 12px;border-radius:14px}.bignum-n .bn-v{min-width:0}}
@media (prefers-reduced-motion:reduce){.bn-frame::before{animation:none}}
/* no frame around the number (user, 27 Sep): count, + and glint only */
.bn-frame{padding:0;border-radius:0}
.bn-frame::before{display:none}
/* the glow follows the digits, not a box behind them (owner, 6 Oct: in dark mode
   the box glow showed as a muddy smudge once the frame was gone) */
.bn-frame::after{display:none}
.bignum-n{transition:filter 1.2s ease}
.bn-frame.bn-done .bignum-n,.bn-frame:not(.bn-ready) .bignum-n{filter:drop-shadow(0 0 18px var(--g0)) drop-shadow(0 0 2px var(--g0))}
/* dark mode (owner's pick, 6 Oct: option C of preview/bignum-dark-4.html): no halo,
   no glint -- a soft light falls from above, and the gold line at the top glows */
:root[data-theme="dark"] .bignum{background:radial-gradient(110% 70% at 50% -8%,rgba(233,201,137,.15),rgba(233,201,137,0) 60%),#0e1116}
:root[data-theme="dark"] .bignum::before{width:min(560px,70%);height:2px;
  background:linear-gradient(90deg,rgba(233,201,137,0),rgba(255,236,190,.9),rgba(233,201,137,0));box-shadow:0 0 18px rgba(233,201,137,.45)}
:root[data-theme="dark"] .bn-frame.bn-done .bignum-n,:root[data-theme="dark"] .bn-frame:not(.bn-ready) .bignum-n{filter:none}
:root[data-theme="dark"] .bn-frame.bn-done .bn-v{background:none;-webkit-background-clip:border-box;background-clip:border-box;color:inherit;animation:none}
@media (max-width:640px){.bn-frame{padding:0}}

/* ---- hero exam choice (UX step 4) ---------------------------------------- */
.eh-pick{margin:0 0 6px}
.eh-lab{display:block;font-family:var(--sans);font-size:13px;font-weight:600;letter-spacing:.02em;margin:0 0 8px;color:rgba(244,239,229,.8)}
.eh-row{display:flex;gap:10px;max-width:560px}
.eh-row select{flex:1;min-width:0;height:52px;padding:0 40px 0 14px;font-family:var(--sans);font-size:15.5px;border-radius:var(--r);
  border:1px solid rgba(244,239,229,.35);background-color:rgba(13,17,23,.55);color:#fbf7ef;cursor:pointer;appearance:none;-webkit-appearance:none;
  background-image:linear-gradient(45deg,transparent 50%,currentColor 50%),linear-gradient(135deg,currentColor 50%,transparent 50%);
  background-position:calc(100% - 20px) 50%,calc(100% - 14px) 50%;background-size:6px 6px;background-repeat:no-repeat}
.eh-row select option{color:#1d1b18;background:#fff}
.eh-row select:focus-visible{outline:2px solid #e9c989;outline-offset:2px}
.eh-row .btn{height:52px;white-space:nowrap}
.eh-plans{margin:14px 0 0}
:root:not([data-theme="dark"]) .eh.has-day .eh-lab{color:var(--ink-2)}
:root:not([data-theme="dark"]) .eh.has-day .eh-row select{background-color:rgba(255,253,248,.92);color:var(--ink);border-color:var(--rule)}
:root:not([data-theme="dark"]) .eh.has-day .eh-row select:focus-visible{outline-color:var(--accent)}
@media (max-width:640px){
  .eh-row{flex-direction:column;gap:10px}
  .eh-row select,.eh-row .btn{width:100%;height:50px}
}
/* ---- phone sticky start bar ---------------------------------------------- */
.stick{display:none}
@media (max-width:640px){
  .stick{display:block;position:fixed;left:0;right:0;bottom:0;z-index:60;padding:10px 16px calc(10px + env(safe-area-inset-bottom));
    background:var(--card);border-top:1px solid var(--rule);box-shadow:0 -10px 24px -18px rgba(0,0,0,.35);
    transform:translateY(110%);transition:transform .22s ease}
  .stick.on{transform:none}
  .stick .btn{padding:14px}
  body:has(.stick.on) .netbar{bottom:calc(84px + env(safe-area-inset-bottom))}
}

/* phone hero with the exam choice: headline + choice only, all in the calm lower part */
@media (max-width:640px){
  .eh.has-tall{min-height:min(96svh,800px)}
  .eh .eyebrow{display:none}
  .eh h1{font-size:36px;margin-bottom:18px}
  .eh-lab{font-size:12.5px;margin-bottom:6px}
  .eh-plans{margin-top:10px}
  :root:not([data-theme="dark"]) .eh.has-day.has-tall .eh-shade{
    background:linear-gradient(0deg,rgba(247,244,238,.98) 0%,rgba(247,244,238,.93) 46%,rgba(247,244,238,0) 64%)}
  .eh.has-tall .eh-shade{background:linear-gradient(0deg,rgba(8,10,14,.9) 0%,rgba(8,10,14,.7) 42%,rgba(8,10,14,0) 60%)}
}
/* phone: the hero is exactly the first screen, so the exam choice and button
   always sit at its bottom, in view and in thumb reach */
@media (max-width:640px){.eh.has-tall{min-height:calc(100svh - 68px);max-height:860px}}

/* ---- plans: the choice (UX step 5) --------------------------------------- */

.price-note b{white-space:nowrap}
.quick{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin-top:30px;border-top:1px solid var(--line)}
.quick .qa{padding:18px 20px 4px 0}
.quick .qa + .qa{padding-left:20px;border-left:1px solid var(--line)}
.quick h3{font-family:var(--sans);font-size:14px;font-weight:600;margin:0 0 6px;color:var(--ink)}
.quick p{margin:0;font-size:15.5px;line-height:1.5;color:var(--ink-2)}
@media (max-width:980px){
  .quick{grid-template-columns:1fr 1fr}
  .quick .qa:nth-child(3){padding-left:0;border-left:0}
  .quick .qa{padding-bottom:16px;border-bottom:1px solid var(--line)}
}
@media (max-width:640px){
  .quick{grid-template-columns:1fr;border-top:0;margin-top:22px}
  .quick .qa,.quick .qa + .qa{padding:14px 0;border-left:0}
}
/* the top-bar link style must not reach the Sign in button */
.nav .acct-in,.nav .acct-in:hover{padding:0 12px;border:1px solid var(--rule);color:var(--ink-2)}
.nav .acct-in:hover{border-color:var(--accent);color:var(--accent)}
.nav .acct-menu a{border:0;padding:10px}
/* dark mode: the brass button is light gold, so its text goes dark */
:root[data-theme="dark"] .btn.brass{color:#1b1409}
:root[data-theme="dark"] .plan .ribbon,:root[data-theme="dark"] .mini .ribbon{color:#1b1409}

/* struck regular price over the launch price */
.was{display:flex;align-items:center;gap:10px;margin:0 0 2px;font-family:var(--sans);font-size:14px}
.was s{color:var(--muted);text-decoration-thickness:1.5px;text-decoration-color:var(--bad)}
.was .launch{font-size:10.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--brass);
  border:1px solid currentColor;border-radius:2px;padding:1px 6px}
.paywall .was{justify-content:center;margin-bottom:4px}
.bignum .was,.mini .was{margin-top:-6px}
@media (max-width:640px){body.in-sess .netbar{bottom:calc(84px + env(safe-area-inset-bottom))}}

/* ---- tap targets on phones (UX step 11): nothing a thumb aims at is under 44 px.
   Text links keep their look; padding with an equal negative margin grows the
   touch area without moving anything. ------------------------------------------ */
@media (max-width:640px){
  .theme-toggle,.acct .acct-in,.acct.acct-sm .acct-in,.acct-me{width:44px;height:44px}
  .brand{min-height:44px}
  .eh-row select{flex:none}
  .link-arrow,.today-alt,.rcard .acts a,.paper-f a,footer.fine a,.why-here summary,.appbar nav > a{
    display:inline-block;padding-top:12px;padding-bottom:12px;margin-top:-12px;margin-bottom:-12px}
  .incl .fold-btn button{padding:13px 0}
  .menu > summary{min-height:44px;box-sizing:border-box;display:flex;align-items:center}
  .menu .btn{min-height:44px;box-sizing:border-box}
}

.incl .fold-btn button:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

/* "Why each other option is not the key": a highlighter swipe behind the
   heading (user, 29 Sep 2026). Same words and size; only the highlight. */
:root{--hl:#f4d97a}
:root[data-theme="dark"]{--hl:#5e4f1a}
.label.hl{display:table;color:var(--ink);padding:0 5px;margin-left:-5px;
  background:linear-gradient(100deg,transparent 0 1%,var(--hl) 2% 97%,transparent 98%) 0 80%/100% 70% no-repeat}

/* an option printed only to mean "not attempted": listed as printed, never the key (docs/OPTION-LABELS.md) */
.opts li.na{color:var(--muted)}

/* ---- "everything in one membership" (owner, 7 Oct) ----------------------------- */
.mfeat{margin:34px 0 0;border:1px solid var(--line);border-radius:var(--r);background:var(--card);padding:24px 26px 8px}
.mfeat-head{display:flex;justify-content:space-between;align-items:baseline;gap:6px 24px;flex-wrap:wrap;margin-bottom:6px}
.mfeat-head h3{font-family:var(--serif);font-weight:500;font-size:22px;margin:0;color:var(--ink);letter-spacing:-.01em}
.mfeat-head p{margin:0;font-family:var(--sans);font-size:14px;color:var(--brass);font-weight:600}
.mfeat-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 30px}
.mfeat-grid li{display:grid;grid-template-columns:30px minmax(0,1fr);gap:12px;padding:16px 0;border-top:1px solid var(--line)}
.mfeat-grid svg{width:26px;height:26px;color:var(--accent);margin-top:1px}
.mfeat-grid h4{margin:0 0 4px;font-family:var(--sans);font-size:15.5px;font-weight:700;color:var(--ink);line-height:1.3}
.mfeat-grid p{margin:0;font-size:15px;line-height:1.5;color:var(--ink-2)}
@media (max-width:1000px){.mfeat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){
  .mfeat{padding:18px 16px 4px;margin-top:26px}
  .mfeat-head h3{font-size:19px}
  .mfeat-grid{grid-template-columns:1fr}
  .mfeat-grid li{padding:13px 0}
  .mfeat-grid p{font-size:14.5px}
}
@media (max-width:640px){
  .mfeat.compact .mfeat-grid p{display:none}
  .mfeat.compact .mfeat-grid li{padding:11px 0;align-items:center}
  .mfeat.compact .mfeat-grid h4{margin:0}
}