/* QTFX.net — "Bullion Ledger" broadsheet theme */
:root{
  --paper:#f5f0e6; --paper-2:#ede5d4; --card:#fffdf8; --ink:#14201b; --ink-2:#3c4a43; --muted:#6b756f;
  --rule:#d8cdb6; --rule-strong:#1d2a24; --green:#0d5c45; --green-2:#0a4535; --gold:#a97a1f; --gold-soft:#f1e3bf;
  --red:#9d2f22; --radius:4px; --wrap:1180px; --measure:72ch;
  --f-display:Georgia,serif; --f-body:system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--f-body);font-size:17px;line-height:1.72;
  background-image:linear-gradient(rgba(20,32,27,.025) 1px,transparent 1px);background-size:100% 28px}
img{max-width:100%;height:auto;display:block}
a{color:var(--green);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{color:var(--gold)}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.skip{position:absolute;inset-inline-start:-999px;top:0;background:var(--ink);color:#fff;padding:8px 14px;z-index:99}
.skip:focus{inset-inline-start:8px}

/* ===== Masthead ===== */
.topline{border-bottom:1px solid var(--rule);font-size:13px;color:var(--ink-2);background:var(--paper-2)}
.topline .wrap{display:flex;gap:16px;align-items:center;justify-content:space-between;min-height:38px;flex-wrap:wrap}
.topline .edition{letter-spacing:.08em;text-transform:uppercase;font-weight:600;font-size:11.5px}
.langs{display:flex;gap:4px;flex-wrap:wrap;margin:0;padding:0;list-style:none}
.langs a{display:inline-block;padding:3px 9px;border:1px solid transparent;border-radius:999px;color:var(--ink-2);text-decoration:none;font-size:12.5px}
.langs a:hover{border-color:var(--rule)}
.langs a[aria-current="true"]{border-color:var(--ink);color:var(--ink);font-weight:600}
.masthead{text-align:center;padding:26px 0 14px;border-bottom:3px double var(--rule-strong)}
.brand{direction:ltr;display:inline-flex;align-items:center;gap:14px;text-decoration:none;color:var(--ink)}
.brand-mark{width:46px;height:46px;flex:none}
.brand-word{font-family:var(--f-display);font-weight:700;font-size:44px;letter-spacing:.06em;line-height:1}
.brand-word small{font-size:.38em;letter-spacing:.2em;color:var(--gold);vertical-align:super;margin-inline-start:4px}
.tagline{margin:8px auto 0;font-size:13.5px;color:var(--muted);letter-spacing:.02em;max-width:60ch}
.mainnav{border-bottom:1px solid var(--rule-strong);background:var(--paper);position:sticky;top:0;z-index:20}
.mainnav .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:50px}
.mainnav ul{display:flex;gap:2px;margin:0;padding:0;list-style:none;flex-wrap:wrap}
.mainnav ul a{display:block;padding:12px 12px;color:var(--ink);text-decoration:none;font-weight:500;font-size:15px;border-bottom:2px solid transparent}
.mainnav ul a:hover,.mainnav ul a[aria-current="page"]{border-bottom-color:var(--gold);color:var(--ink)}
.btn-play{display:inline-flex;align-items:center;gap:9px;background:var(--ink);color:#fff;text-decoration:none;padding:9px 16px;border-radius:var(--radius);font-weight:600;font-size:14.5px;border:1px solid var(--ink);white-space:nowrap}
.btn-play:hover{background:var(--green-2);color:#fff}
.btn-play svg{width:18px;height:18px;flex:none}
.btn-play.lg{padding:14px 22px;font-size:16px}
.btn-play.gold{background:var(--gold);border-color:var(--gold);color:#1b1407}
.btn-play.gold:hover{background:#c08d27;color:#1b1407}
.navtoggle{display:none;background:none;border:1px solid var(--rule-strong);padding:7px 12px;font:inherit;font-size:14px;border-radius:var(--radius);color:var(--ink)}

/* ===== Breadcrumb ===== */
.crumbs{font-size:13.5px;color:var(--muted);padding:18px 0 0}
.crumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.crumbs li+li::before{content:"/";margin-inline-end:6px;color:var(--rule)}
.crumbs a{color:var(--ink-2)}

/* ===== Article ===== */
.article-head{padding:18px 0 26px;border-bottom:1px solid var(--rule)}
.kicker{display:inline-block;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);font-weight:700;margin-bottom:10px}
h1,h2,h3{font-family:var(--f-display);color:var(--ink);line-height:1.22;font-weight:700}
h1{font-size:clamp(30px,4.4vw,50px);margin:0 0 16px;letter-spacing:-.01em;max-width:22ch}
.lead{font-size:clamp(18px,1.6vw,20.5px);color:var(--ink-2);max-width:62ch;margin:0}
.meta{display:flex;gap:18px;flex-wrap:wrap;font-size:13.5px;color:var(--muted);margin-top:18px}
.meta span{display:inline-flex;align-items:center;gap:6px}
.hero-fig{margin:26px 0 0;border:1px solid var(--rule-strong);background:var(--card);padding:8px}
.hero-fig img,.fig img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--paper-2)}
.hero-fig figcaption,.fig figcaption{font-size:13px;color:var(--muted);padding:8px 4px 2px;font-style:italic}
.layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:48px;padding:34px 0 10px}
.toc{position:sticky;top:70px;align-self:start;font-size:14.5px;border-top:3px solid var(--ink);padding-top:12px}
.toc h2{font-size:13px;font-family:var(--f-body);letter-spacing:.12em;text-transform:uppercase;margin:0 0 10px;color:var(--ink-2)}
.toc ol{list-style:none;margin:0;padding:0;counter-reset:t}
.toc li{counter-increment:t;border-bottom:1px dotted var(--rule)}
.toc a{display:grid;grid-template-columns:28px 1fr;gap:6px;padding:8px 0;color:var(--ink-2);text-decoration:none;line-height:1.4}
.toc a::before{content:counter(t,decimal-leading-zero);font-family:var(--f-display);color:var(--gold);font-weight:700}
.toc a:hover{color:var(--green)}
.body{max-width:var(--measure);min-width:0}
.body section{padding-top:6px}
.body h2{font-size:clamp(24px,2.5vw,31px);margin:38px 0 14px;display:flex;gap:14px;align-items:baseline}
.body h2 .num{font-size:.62em;color:var(--gold);border:1px solid var(--gold);border-radius:999px;min-width:2.1em;height:2.1em;display:inline-flex;align-items:center;justify-content:center;flex:none;font-family:var(--f-body);font-weight:600;transform:translateY(-3px)}
.body h3{font-size:21px;margin:26px 0 8px}
.body p{margin:0 0 16px}
.body ul,.body ol{padding-inline-start:1.3em;margin:0 0 18px}
.body li{margin:6px 0}
.body li::marker{color:var(--gold)}
.body blockquote{margin:22px 0;padding:14px 20px;border-inline-start:4px solid var(--gold);background:var(--card);font-family:var(--f-display);font-size:19px}
.table-wrap{overflow-x:auto;margin:20px 0 24px;border:1px solid var(--rule-strong);background:var(--card)}
.body table{border-collapse:collapse;width:100%;font-size:15px;min-width:460px}
.body th,.body td{padding:10px 12px;border-bottom:1px solid var(--rule);text-align:start;vertical-align:top}
.body thead th{background:var(--ink);color:#fff;font-weight:600}
.body tbody tr:nth-child(even){background:#faf6ec}
.takeaways{border:1px solid var(--rule-strong);background:var(--card);padding:20px 22px 8px;margin:6px 0 10px;position:relative}
.takeaways::before{content:"";position:absolute;inset:5px;border:1px solid var(--rule);pointer-events:none}
.takeaways h2{font-size:14px;font-family:var(--f-body);letter-spacing:.14em;text-transform:uppercase;margin:0 0 10px;color:var(--green)}
.takeaways ul{margin:0 0 12px;padding:0;list-style:none}
.takeaways li{padding:7px 0 7px 0;padding-inline-start:26px;position:relative;border-top:1px dotted var(--rule)}
.takeaways li:first-child{border-top:0}
.takeaways li::before{content:"✓";position:absolute;inset-inline-start:2px;color:var(--gold);font-weight:700}
.fig{margin:30px 0;border:1px solid var(--rule);background:var(--card);padding:6px}
.inline-cta{display:flex;gap:18px;align-items:center;justify-content:space-between;flex-wrap:wrap;border:1px dashed var(--gold);background:var(--gold-soft);padding:16px 18px;margin:30px 0;border-radius:var(--radius)}
.inline-cta p{margin:0;font-weight:500;max-width:52ch}

/* ===== FAQ ===== */
.faq{margin:44px 0 10px}
.faq h2{font-size:clamp(24px,2.5vw,30px);border-top:3px double var(--rule-strong);padding-top:20px}
.faq details{border-bottom:1px solid var(--rule);padding:4px 0}
.faq summary{cursor:pointer;list-style:none;padding:13px 0;font-weight:600;font-size:17.5px;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--f-display);color:var(--gold);font-size:24px;line-height:1;flex:none}
.faq details[open] summary::after{content:"–"}
.faq details p{margin:0 0 14px;color:var(--ink-2)}

/* ===== Certificate CTA band ===== */
.cert{margin:46px 0;background:var(--ink);color:#f3ecdc;position:relative;padding:34px 28px;border-radius:var(--radius);overflow:hidden}
.cert::before{content:"";position:absolute;inset:10px;border:1px solid rgba(214,180,104,.55);border-radius:2px;pointer-events:none}
.cert::after{content:"QTFX";position:absolute;inset-inline-end:-10px;bottom:-34px;font-family:var(--f-display);font-size:150px;font-weight:700;color:rgba(255,255,255,.04);letter-spacing:.05em}
.cert .k{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:#d6b468;font-weight:700}
.cert h2{color:#fff;font-size:clamp(23px,2.6vw,32px);margin:8px 0 10px;max-width:28ch}
.cert p{margin:0 0 20px;color:#cfc6b2;max-width:60ch;font-size:15px}
.cert-row{display:flex;gap:18px;align-items:center;flex-wrap:wrap;position:relative;z-index:1}
.cert-row .note{font-size:13px;color:#a9a08d;max-width:46ch}

/* ===== Related (index cards) ===== */
.related{padding:12px 0 40px}
.related h2{font-size:14px;font-family:var(--f-body);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-2);border-top:3px solid var(--ink);padding-top:12px}
.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--rule);text-decoration:none;color:var(--ink);transition:border-color .15s,transform .15s}
.card:hover{border-color:var(--ink);transform:translateY(-2px);color:var(--ink)}
.card img{aspect-ratio:16/10;object-fit:cover;width:100%;border-bottom:1px solid var(--rule)}
.card .c-body{padding:12px 14px 16px}
.card .c-tag{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--gold);font-weight:700}
.card h3{font-size:18px;margin:4px 0 6px}
.card p{font-size:14px;color:var(--muted);margin:0;line-height:1.55}

/* ===== Home ===== */
.front{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:40px;padding:30px 0 34px;border-bottom:1px solid var(--rule-strong);align-items:center}
.front h1{max-width:18ch}
.front .actions{display:flex;gap:14px;flex-wrap:wrap;align-items:center;margin-top:24px}
.front .actions .ghost{color:var(--ink);font-weight:600}
.front figure{margin:0;border:1px solid var(--rule-strong);padding:8px;background:var(--card);transform:rotate(-.6deg)}
.front figure img{aspect-ratio:4/3;object-fit:cover;width:100%}
.strip{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--rule)}
.strip div{padding:18px 18px;border-inline-end:1px solid var(--rule);font-size:15px}
.strip div:last-child{border-inline-end:0}
.strip strong{display:block;font-family:var(--f-display);font-size:19px;margin-bottom:2px}
.cluster{padding:36px 0 8px}
.cluster-head{display:flex;justify-content:space-between;align-items:end;gap:20px;border-top:3px solid var(--ink);padding-top:12px;margin-bottom:18px;flex-wrap:wrap}
.cluster-head h2{margin:0;font-size:clamp(24px,2.6vw,32px)}
.cluster-head p{margin:0;color:var(--muted);max-width:52ch;font-size:15px}
.cards.five{grid-template-columns:repeat(5,minmax(0,1fr))}
.home-story{display:grid;grid-template-columns:250px minmax(0,1fr);gap:48px;padding:40px 0 0}

/* ===== Calculator ===== */
.calc{border:1px solid var(--rule-strong);background:var(--card);padding:22px;margin:10px 0 30px}
.calc h2{margin:0 0 16px!important;font-size:22px!important}
.calc-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 18px}
.calc label{display:flex;flex-direction:column;gap:5px;font-size:14px;font-weight:600;color:var(--ink-2)}
.calc input,.calc select{font:inherit;font-size:16px;padding:9px 11px;border:1px solid var(--rule-strong);background:#fff;border-radius:var(--radius);color:var(--ink);width:100%}
.calc button{margin-top:16px;font:inherit;font-weight:600;background:var(--green);color:#fff;border:0;padding:12px 22px;border-radius:var(--radius);cursor:pointer}
.calc button:hover{background:var(--green-2)}
.calc-out{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px;margin-top:18px}
.calc-out div{border:1px solid var(--rule);padding:10px 12px;background:var(--paper)}
.calc-out span{display:block;font-size:12.5px;color:var(--muted)}
.calc-out b{font-family:var(--f-display);font-size:22px}
.calc-note{font-size:13px;color:var(--muted);margin:14px 0 0}

/* ===== Footer ===== */
.foot{background:var(--ink);color:#d9d1bf;margin-top:40px;padding:44px 0 24px;font-size:14.5px}
.foot a{color:#efe6d2;text-decoration:none}
.foot a:hover{color:#d6b468}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:34px}
.foot h2{font-family:var(--f-body);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:#d6b468;margin:0 0 12px}
.foot ul{list-style:none;margin:0;padding:0}
.foot li{margin:6px 0}
.foot .brand-word{color:#fff;font-size:30px}
.foot .about{color:#b9b09c;margin:12px 0 18px}
.riskbox{border-top:1px solid rgba(255,255,255,.14);margin-top:30px;padding-top:18px;font-size:13px;color:#a9a08d}
.riskbox strong{color:#efe6d2}
.copy{margin-top:14px;font-size:12.5px;color:#8c846f}

/* ===== Gateway / 404 ===== */
.gate{min-height:70vh;display:flex;align-items:center;padding:40px 0}
.gate-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;margin-top:28px}
.gate-grid a{display:block;background:var(--card);border:1px solid var(--rule-strong);padding:22px 16px;text-decoration:none;color:var(--ink);text-align:center}
.gate-grid a:hover{background:var(--ink);color:#fff}
.gate-grid b{display:block;font-family:var(--f-display);font-size:22px}
.gate-grid span{font-size:13px;color:var(--muted)}
.gate-grid a:hover span{color:#d6b468}

/* ===== RTL tweaks ===== */
[dir="rtl"] body{font-size:18px}
[dir="rtl"] .front figure{transform:rotate(.6deg)}
[dir="rtl"] .kicker,[dir="rtl"] .toc h2,[dir="rtl"] .takeaways h2,[dir="rtl"] .related h2,[dir="rtl"] .foot h2,[dir="rtl"] .topline .edition{letter-spacing:0}

/* ===== Responsive ===== */
@media (max-width:1020px){
  .layout,.home-story{grid-template-columns:1fr;gap:20px}
  .toc{position:static}
  .cards,.cards.five{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-grid{grid-template-columns:1fr 1fr}
  .gate-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:760px){
  body{font-size:16.5px}
  .front{grid-template-columns:1fr;gap:24px}
  .strip{grid-template-columns:1fr 1fr}
  .strip div:nth-child(2){border-inline-end:0}
  .navtoggle{display:inline-block}
  .mainnav ul{display:none;position:absolute;inset-inline:0;top:100%;background:var(--paper);border-bottom:1px solid var(--rule-strong);flex-direction:column;padding:6px 16px 12px}
  .mainnav.open ul{display:flex}
  .mainnav .wrap{position:relative}
  .calc-grid{grid-template-columns:1fr}
  .brand-word{font-size:36px}
  .cert{padding:28px 20px}
}
@media (max-width:480px){
  .cards,.cards.five,.foot-grid{grid-template-columns:1fr}
  .wrap{padding:0 16px}
  .mainnav .btn-play span{display:none}
}
@media print{.mainnav,.topline,.cert,.foot,.toc,.inline-cta{display:none}}