@font-face{font-family:Archivo;src:url(../fonts/archivo-wdth.woff2) format("woff2-variations");font-weight:100 900;font-stretch:62% 125%;font-display:swap}
@font-face{font-family:"JetBrains Mono";src:url(../fonts/jbmono.woff2) format("woff2-variations");font-weight:100 800;font-display:swap}

@property --den{syntax:"<color>";inherits:true;initial-value:#0E7C6B}

:root{
  --paper:#EEF0E8;
  --paper-2:#E4E8DD;
  --paper-3:#D9DFD1;
  --sheet:#F7F8F3;
  --ink:#13203A;
  --ink-2:#3A4862;
  --ink-3:#5B6880;
  --rule:rgba(19,32,58,.14);
  --rule-2:rgba(19,32,58,.08);

  --usdt:#0B7563;
  --btc:#C25A12;
  --eth:#4A4DA8;
  --sol:#A32C74;
  --trx:#B72D28;

  --den:var(--usdt);
  --den-ink:color-mix(in oklab,var(--den) 78%,var(--ink));
  --den-soft:color-mix(in oklab,var(--den) 10%,var(--sheet));
  --den-line:color-mix(in oklab,var(--den) 34%,transparent);

  --ok:#0B7563;
  --warn:#7A4C02;
  --void:#5C6575;

  --f-sans:Archivo,ui-sans-serif,system-ui,sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --ease:cubic-bezier(.22,1,.36,1);
  --r:14px;
  --shadow:0 1px 1px rgba(19,32,58,.04),0 6px 14px -6px rgba(19,32,58,.12),0 24px 48px -24px rgba(19,32,58,.22);
  --shadow-l:0 2px 2px rgba(19,32,58,.04),0 18px 36px -14px rgba(19,32,58,.22),0 60px 90px -40px rgba(19,32,58,.35);
  --pad-sec:clamp(72px,10vw,140px);
  transition:--den .7s var(--ease);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:84px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--f-sans);font-size:17px;line-height:1.6;font-stretch:100%;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration-thickness:1px;text-underline-offset:.2em}
button,input{font:inherit;color:inherit}
h1,h2,h3{margin:0;text-wrap:balance}
p{margin:0;text-wrap:pretty}
::selection{background:var(--den);color:var(--sheet)}
:focus-visible{outline:2px solid var(--den);outline-offset:3px;border-radius:6px}
html{scrollbar-color:var(--ink-3) var(--paper-2)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:16px;top:-60px;z-index:100;background:var(--ink);color:var(--sheet);padding:10px 14px;border-radius:8px}
.skip:focus{top:12px}
.wrap{width:min(1240px,100% - 32px);margin-inline:auto}
.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.num{font-variant-numeric:tabular-nums}
.tiny{font-size:13px;color:var(--ink-3)}
.i{width:20px;height:20px;flex:none}
.i--s{width:16px;height:16px}
.i--l{width:24px;height:24px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:42px;padding:0 18px;border-radius:999px;border:1px solid transparent;font-weight:600;font-size:15px;text-decoration:none;cursor:pointer;white-space:nowrap;transition:transform .25s var(--ease),box-shadow .25s var(--ease),background-color .25s var(--ease),border-color .25s var(--ease)}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn--lg{height:52px;padding:0 24px;font-size:16px}
.btn--ink{background:var(--ink);color:var(--sheet)}
.btn--ink:hover{box-shadow:0 10px 20px -10px rgba(19,32,58,.6)}
.btn--den{background:var(--den-ink);color:#fff}
.btn--den:hover{box-shadow:0 12px 24px -12px var(--den)}
.btn--line{border-color:var(--ink);color:var(--ink)}
.btn--line:hover{background:var(--ink);color:var(--sheet)}
.btn--ghost{color:var(--ink)}
.btn--ghost:hover{background:var(--rule-2)}
.icon-btn{display:inline-grid;place-items:center;width:36px;height:36px;border-radius:10px;border:1px solid var(--rule);background:transparent;cursor:pointer;transition:background-color .2s var(--ease)}
.icon-btn:hover{background:var(--rule-2)}

/* header */
.hdr{position:sticky;top:0;z-index:50;transition:background-color .3s var(--ease),box-shadow .3s var(--ease)}
.hdr__in{display:flex;align-items:center;gap:28px;height:76px}
.hdr.is-stuck{background:color-mix(in oklab,var(--paper) 82%,transparent);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);box-shadow:0 1px 0 var(--rule)}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none}
.brand__mark{flex:none;width:34px;height:34px;color:var(--den-ink)}
.brand__word{font-weight:800;font-stretch:122%;font-size:20px;letter-spacing:-.02em}
.nav{display:flex;gap:4px;margin-inline-start:8px}
.nav a{padding:8px 12px;border-radius:999px;text-decoration:none;font-size:15px;font-weight:500;color:var(--ink-2);transition:background-color .2s var(--ease),color .2s var(--ease)}
.nav a:hover{background:var(--rule-2);color:var(--ink)}
.hdr__end{display:flex;align-items:center;gap:8px;margin-inline-start:auto}
.nav__cta{display:none}
.burger{display:none;width:44px;height:44px;border:0;background:transparent;border-radius:12px;place-items:center;cursor:pointer}

/* language */
.lang{position:relative}
.lang__btn{display:inline-flex;align-items:center;gap:6px;height:42px;padding:0 12px;border-radius:999px;border:1px solid var(--rule);background:transparent;cursor:pointer;font-weight:600;font-size:14px;font-family:var(--f-mono)}
.lang__btn:hover{background:var(--rule-2)}
.lang__menu{position:absolute;inset-inline-end:0;top:calc(100% + 8px);width:min(420px,calc(100vw - 32px));max-height:min(500px,75vh);overflow:auto;margin:0;padding:8px;list-style:none;background:var(--sheet);border:1px solid var(--rule);border-radius:var(--r);box-shadow:var(--shadow-l);display:grid;grid-template-columns:1fr 1fr;gap:2px}
.lang__menu[hidden]{display:none}
.lang__menu button{width:100%;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:9px 10px;border:0;background:transparent;border-radius:8px;cursor:pointer;text-align:start;font-size:14px}
.lang__menu button:hover,.lang__menu button:focus-visible{background:var(--den-soft)}
.lang__menu button[aria-selected=true]{background:var(--den-soft);font-weight:700}
.lang__menu .lc{font-family:var(--f-mono);font-size:11px;color:var(--ink-3);text-transform:uppercase}

/* hero */
.hero{position:relative;overflow:hidden;padding:clamp(28px,5vw,72px) 0 clamp(64px,8vw,110px)}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 60% at 78% 40%,var(--den-soft),transparent 70%);pointer-events:none}
.hero__rosette{position:absolute;width:min(1100px,140vw);aspect-ratio:1;right:-22%;top:50%;translate:0 -50%;color:var(--den);opacity:.22;pointer-events:none}
.hero__in{position:relative;display:grid;grid-template-columns:1fr minmax(0,560px);gap:clamp(32px,5vw,80px);align-items:center}
.display{font-weight:780;font-stretch:118%;font-size:clamp(2.6rem,5.6vw,5.2rem);line-height:.98;letter-spacing:-.035em}
.display--m{font-size:clamp(2.2rem,4.6vw,4rem)}
.lede{margin-top:24px;max-width:52ch;font-size:clamp(17px,1.5vw,20px);color:var(--ink-2)}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}

.coins{display:flex;gap:6px;margin-bottom:14px;overflow-x:auto;scrollbar-width:none;padding:2px}
.coins::-webkit-scrollbar{display:none}
.coins button{display:inline-flex;align-items:center;gap:7px;height:40px;padding:0 14px 0 10px;border-radius:999px;border:1px solid var(--rule);background:color-mix(in oklab,var(--sheet) 70%,transparent);cursor:pointer;font-family:var(--f-mono);font-weight:600;font-size:13px;transition:background-color .25s var(--ease),border-color .25s var(--ease),color .25s var(--ease)}
.coins button img{width:20px;height:20px}
.coins button:hover{border-color:var(--ink-3)}
.coins button[aria-selected=true]{background:var(--ink);border-color:var(--ink);color:var(--sheet)}

/* the note */
.note{position:relative;isolation:isolate;overflow:hidden;border-radius:18px;background:linear-gradient(160deg,var(--sheet),color-mix(in oklab,var(--den) 7%,var(--sheet)));box-shadow:var(--shadow-l),inset 0 0 0 1px var(--den-line);color:var(--ink)}
.note__waves{position:absolute;inset:0;width:100%;height:100%;color:var(--den);opacity:.55;z-index:-1}
.note__wm{position:absolute;width:62%;right:-22%;bottom:-36%;color:var(--den);opacity:.2;z-index:-1}
.note__foil{position:absolute;top:0;bottom:0;right:156px;width:22px;background:conic-gradient(from var(--foil,0deg) at 50% 50%,#d8f3ea,#c7d3ff,#f6d2ea,#fde9c4,#d2f5f0,#d8f3ea);opacity:.85;mix-blend-mode:multiply;z-index:-1;box-shadow:inset 1px 0 0 rgba(255,255,255,.6),inset -1px 0 0 rgba(19,32,58,.08);animation:foil 8s linear infinite}
@property --foil{syntax:"<angle>";inherits:false;initial-value:0deg}
@keyframes foil{to{--foil:360deg}}
.note__body{position:relative;padding:34px 24px 32px;display:grid;grid-template-columns:minmax(0,1fr);gap:18px}
.note__top{display:flex;justify-content:space-between;align-items:center;gap:12px;padding-bottom:12px;border-bottom:1px dashed var(--den-line)}
.note__issuer{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:700;font-stretch:125%;font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--den-ink)}
.note__serial{flex:none;white-space:nowrap;font-size:13px;font-weight:700;color:var(--trx);letter-spacing:.06em}
.note__main{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:18px;align-items:center}
.note__label{display:block;font-size:12px;color:var(--ink-3);text-transform:uppercase;letter-spacing:.08em;font-weight:600}
.note__value{display:block;margin-top:4px;font-weight:800;font-stretch:125%;font-size:clamp(40px,5.2vw,60px);line-height:1;letter-spacing:-.04em;font-variant-numeric:tabular-nums;color:var(--den-ink)}
.note__value.is-long{font-size:clamp(32px,4vw,46px)}
.note__value small{font-size:max(.36em,14px);font-weight:700;letter-spacing:0;color:var(--ink)}
.note__fiat{display:block;margin-top:8px;font-size:13px;color:var(--ink-2)}
.note__qr{width:116px;padding:8px;background:#fff;border-radius:10px;box-shadow:inset 0 0 0 1px var(--rule)}
.note__qr svg{width:100%;height:auto;color:var(--ink)}
.note__addr{display:grid;grid-template-columns:1fr auto;align-items:center;gap:4px 10px}
.note__addr .note__label{grid-column:1/-1}
.note__addr code{font-size:14px;padding:9px 12px;border-radius:10px;background:color-mix(in oklab,var(--sheet) 80%,transparent);box-shadow:inset 0 0 0 1px var(--rule);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.note__foot{display:flex;justify-content:space-between;align-items:center}
.perfs{display:flex;align-items:center;gap:6px}
.perfs i{width:14px;height:14px;border-radius:50%;box-shadow:inset 0 0 0 1.5px var(--den-line);transition:background-color .3s var(--ease),box-shadow .3s var(--ease)}
.perfs i.on{background:var(--den);box-shadow:none}
.perfs span{margin-inline-start:6px;font-size:13px;color:var(--ink-2)}
.note__timer{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--ink-2)}
.note__status{font-size:14px;font-weight:600;color:var(--ink-2)}
.note[data-state=paid] .note__status{color:var(--den-ink)}

.stamp{position:absolute;right:18px;top:96px;width:150px;aspect-ratio:1;border-radius:50%;display:grid;place-content:center;text-align:center;color:var(--den-ink);border:3px double currentColor;box-shadow:inset 0 0 0 7px transparent,inset 0 0 0 8px currentColor;rotate:-14deg;scale:1.6;opacity:0;pointer-events:none;mix-blend-mode:multiply;transition:none}
.stamp span{font-weight:900;font-stretch:125%;font-size:34px;text-transform:uppercase;letter-spacing:.04em;line-height:1}
.stamp small{font-family:var(--f-mono);font-size:10px;letter-spacing:.12em;margin-top:6px}
.note[data-state=paid] .stamp{opacity:.88;scale:1;transition:scale .32s cubic-bezier(.2,1,.3,1),opacity .15s ease}
.note[data-state=paid] .note__qr{opacity:.35;filter:grayscale(1)}
.note__qr{transition:opacity .4s var(--ease),filter .4s var(--ease)}
.note__ctrl{display:flex;align-items:center;gap:14px;margin-top:16px;flex-wrap:wrap}
.note__ctrl .btn[disabled]{opacity:.55;cursor:progress;transform:none}

/* ribbon */
.ribbon{border-block:1px solid var(--rule);overflow:hidden;background:var(--sheet);-webkit-mask:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.ribbon__track{display:flex;gap:40px;width:max-content;padding:18px 0;animation:ribbon 50s linear infinite}
.ribbon__track span{display:inline-flex;align-items:center;gap:10px;font-weight:600;font-size:15px;color:var(--ink-2);white-space:nowrap}
.ribbon__track img{width:24px;height:24px}
.ribbon:hover .ribbon__track{animation-play-state:paused}
@keyframes ribbon{to{transform:translateX(-50%)}}

/* sections */
.sec{padding:var(--pad-sec) 0;position:relative}
.sec--tint{background:var(--paper-2)}
.sec__head{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:24px 64px;align-items:end;margin-bottom:clamp(36px,5vw,64px)}
.sec__head p{color:var(--ink-2);max-width:52ch;font-size:18px}
.h2{font-weight:780;font-stretch:115%;font-size:clamp(2rem,4vw,3.4rem);line-height:1.02;letter-spacing:-.035em}

/* series bento */
.series{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.den{position:relative;overflow:hidden;isolation:isolate;display:flex;flex-direction:column;gap:22px;padding:26px;border-radius:var(--r);background:linear-gradient(170deg,var(--sheet),color-mix(in oklab,var(--den) 8%,var(--sheet)));box-shadow:var(--shadow),inset 0 0 0 1px var(--den-line);transition:transform .35s var(--ease),box-shadow .35s var(--ease)}
.den:hover{transform:translateY(-4px);box-shadow:var(--shadow-l),inset 0 0 0 1px var(--den-line)}
.den::after{content:"";position:absolute;inset:auto 0 0 0;height:6px;background:repeating-linear-gradient(90deg,var(--den) 0 2px,transparent 2px 5px);opacity:.5}
.den--pay{grid-column:span 4;grid-row:span 2}
.den--wallet{grid-column:span 2}
.den--swap{grid-column:span 2}
.den--card{grid-column:span 3}
.den--earn{grid-column:span 3}
.den__head{display:grid;gap:8px}
.den h3{font-weight:760;font-stretch:118%;font-size:clamp(24px,2.4vw,30px);letter-spacing:-.03em;line-height:1.05}
.den--pay h3{font-size:clamp(28px,3.2vw,42px)}
.den__head p{color:var(--ink-2);max-width:48ch}
.tally{margin:auto 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:12px;padding-top:18px;border-top:2px solid var(--den-line)}
.tally dt{font-size:12px;color:var(--ink-3);text-transform:uppercase;letter-spacing:.06em;font-weight:600}
.tally dd{margin:2px 0 0;font-size:clamp(18px,2vw,24px);font-weight:700;color:var(--den-ink)}
.den__link{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--den-ink);text-decoration:none}
.den__link:hover{text-decoration:underline}

.ledger{list-style:none;margin:0;padding:0;border-top:1px solid var(--rule)}
.ledger li{display:grid;grid-template-columns:96px 1fr auto 86px;gap:14px;align-items:center;padding:13px 0;border-bottom:1px solid var(--rule-2);font-size:15px}
.ledger li span:first-child{color:var(--ink-3);font-size:13px}
.ledger li span:nth-child(3){text-align:end;font-size:14px}
.mark{justify-self:end;display:inline-grid;place-items:center;min-width:76px;height:26px;padding:0 8px;border-radius:5px;font-size:11px;font-weight:800;font-stretch:125%;text-transform:uppercase;letter-spacing:.08em;border:1.5px solid currentColor;rotate:-3deg}
.mark--paid{color:var(--ok)}
.mark--part{color:var(--warn);border-style:dashed}
.mark--void{color:var(--void);text-decoration:line-through}
.mark--sent{color:var(--eth);rotate:2deg}

.bal{margin:auto 0 0;display:grid;gap:2px}
.bal div{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-top:1px solid var(--rule-2)}
.bal dt{display:flex;align-items:center;gap:8px;font-weight:600;font-size:14px}
.bal dt img{width:20px;height:20px}
.bal dd{margin:0;font-size:15px}

.book{margin-top:auto;display:grid;gap:3px;font-size:13px}
.book__row{position:relative;display:flex;justify-content:space-between;padding:6px 10px;border-radius:5px;overflow:hidden}
.book__row i{position:absolute;inset:0 0 0 auto;width:var(--w);z-index:-1;opacity:.14}
.book__row.ask span:first-child{color:var(--trx)}
.book__row.ask i{background:var(--trx)}
.book__row.bid span:first-child{color:var(--usdt)}
.book__row.bid i{background:var(--usdt)}
.book__row{isolation:isolate}
.book__mid{padding:8px 10px;font-size:18px;font-weight:700;color:var(--den-ink);border-block:1px dashed var(--den-line)}
.book__mid small{font-size:11px;color:var(--ink-3);font-weight:500;margin-inline-start:6px}

.vcard{position:relative;overflow:hidden;isolation:isolate;margin-top:auto;aspect-ratio:1.586;max-width:340px;width:100%;border-radius:16px;padding:20px;color:#fff;background:linear-gradient(135deg,color-mix(in oklab,var(--den) 85%,#000),color-mix(in oklab,var(--den) 55%,var(--ink)));box-shadow:0 20px 40px -18px color-mix(in oklab,var(--den) 70%,#000);display:grid;grid-template-rows:auto 1fr auto auto;transition:rotate .5s var(--ease),translate .5s var(--ease)}
.den--card:hover .vcard{rotate:-3deg;translate:6px -4px}
.vcard__waves{position:absolute;inset:0;width:100%;height:100%;color:#fff;opacity:.22;z-index:-1}
.vcard__brand{font-weight:800;font-stretch:122%;font-size:17px}
.vcard__chip{width:40px;height:30px;border-radius:6px;background:linear-gradient(135deg,#f3dfa6,#c9a75a);align-self:center}
.vcard__num{font-size:clamp(14px,1.6vw,17px);letter-spacing:.06em}
.vcard__name{font-size:11px;letter-spacing:.14em;opacity:.8;margin-top:6px}

.apy{width:100%;margin-top:auto;border-collapse:collapse;font-size:14px}
.apy th{text-align:start;font-size:12px;color:var(--ink-3);font-weight:600;padding:0 0 8px;text-transform:uppercase;letter-spacing:.06em}
.apy th:not(:first-child),.apy td:not(:first-child){text-align:end}
.apy td{padding:9px 0;border-top:1px solid var(--rule-2)}
.apy td:first-child{display:flex;align-items:center;gap:8px;font-weight:600}
.apy td img{width:20px;height:20px}
.apy td:nth-child(2){font-weight:700;color:var(--den-ink)}

/* postmarks */
.posts{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(20px,3vw,40px);position:relative}
.posts::before{content:"";position:absolute;top:66px;left:66px;right:12%;border-top:1.5px dashed var(--den-line)}
.post{position:relative;display:grid;gap:10px;align-content:start}
.post__mark{position:relative;width:132px;aspect-ratio:1;display:grid;place-items:center;color:var(--den-ink);background:var(--paper-2);border-radius:50%;mix-blend-mode:multiply;transition:rotate .5s var(--ease)}
.post:nth-child(1) .post__mark{rotate:-8deg}.post:nth-child(2) .post__mark{rotate:5deg}.post:nth-child(3) .post__mark{rotate:-3deg}.post:nth-child(4) .post__mark{rotate:9deg}
.post:hover .post__mark{rotate:0deg}
.post__mark svg{position:absolute;inset:0;width:100%;height:100%;fill:none;stroke:currentColor}
.post__mark circle:first-of-type{stroke-width:2.5}
.post__mark circle:last-of-type{stroke-width:1;stroke-dasharray:2 3}
.post__mark text{fill:currentColor;stroke:none;font-family:var(--f-sans);font-weight:800;font-stretch:125%;font-size:10px;letter-spacing:1.6px}
.post__mark>span{position:relative;font-size:15px;font-weight:700;text-align:center;max-width:64px;line-height:1.15}
.post h3{font-weight:780;font-stretch:120%;font-size:28px;letter-spacing:-.03em;margin-top:12px}
.post p{font-size:15px;color:var(--ink-2);max-width:30ch}

/* microtext */
.micro{height:14px;overflow:hidden;color:var(--den-ink);opacity:.55;border-block:1px solid var(--rule-2)}
.micro svg{display:block;height:14px;width:100%}

/* calculator */
.calc{display:grid;grid-template-columns:1fr minmax(0,520px);gap:clamp(32px,6vw,96px);align-items:center}
.calc__copy>p{margin-top:18px;color:var(--ink-2);max-width:50ch;font-size:18px}
.calc__form{display:grid;gap:26px;margin:36px 0 20px}
.field{display:grid;gap:12px}
.field__row{display:flex;justify-content:space-between;font-weight:600;font-size:15px}
.field output{font-weight:700;color:var(--den-ink)}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:28px;background:transparent;cursor:pointer;--p:56%}
input[type=range]::-webkit-slider-runnable-track{height:6px;border-radius:6px;background:linear-gradient(90deg,var(--den) var(--p),var(--paper-3) var(--p))}
input[type=range]::-moz-range-track{height:6px;border-radius:6px;background:linear-gradient(90deg,var(--den) var(--p),var(--paper-3) var(--p))}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:24px;height:24px;margin-top:-9px;border-radius:50%;background:var(--sheet);border:2px solid var(--den-ink);box-shadow:0 2px 6px rgba(19,32,58,.25)}
input[type=range]::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:var(--sheet);border:2px solid var(--den-ink)}
.toggle{display:inline-flex;align-items:center;gap:12px;cursor:pointer;font-weight:600;font-size:15px}
.toggle small{color:var(--ink-3);font-weight:500;font-family:var(--f-mono)}
.toggle input{position:absolute;opacity:0;width:1px;height:1px}
.toggle__ui{width:44px;height:26px;border-radius:999px;background:var(--paper-3);position:relative;transition:background-color .25s var(--ease)}
.toggle__ui::after{content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:var(--sheet);box-shadow:0 1px 3px rgba(19,32,58,.3);transition:translate .3s var(--ease)}
.toggle input:checked+.toggle__ui{background:var(--den-ink)}
.toggle input:checked+.toggle__ui::after{translate:18px 0}
.toggle input:focus-visible+.toggle__ui{outline:2px solid var(--den);outline-offset:3px}

.cheque{position:relative;isolation:isolate;overflow:hidden;padding:28px;border-radius:18px;background:linear-gradient(165deg,var(--sheet),color-mix(in oklab,var(--den) 9%,var(--sheet)));box-shadow:var(--shadow-l),inset 0 0 0 1px var(--den-line)}
.cheque__waves{position:absolute;inset:0;width:100%;height:100%;color:var(--den);opacity:.35;z-index:-1}
.cheque__top{display:flex;justify-content:space-between;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--den-ink);padding-bottom:14px;border-bottom:1px dashed var(--den-line)}
.cheque__rows{margin:8px 0 0}
.cheque__rows div{display:flex;justify-content:space-between;align-items:baseline;padding:14px 0;border-bottom:1px solid var(--rule-2)}
.cheque__rows dt{font-weight:600}
.cheque__rows dt small{font-family:var(--f-mono);color:var(--ink-3);margin-inline-start:6px}
.cheque__rows dd{margin:0;font-size:16px}
.strike{color:var(--ink-3);text-decoration:line-through;text-decoration-color:var(--trx)}
.cheque__sum{display:grid;gap:4px;margin-top:22px}
.cheque__sum>span:first-child{font-size:13px;font-weight:600;color:var(--ink-3);text-transform:uppercase;letter-spacing:.08em}
.cheque__sum strong{font-size:clamp(40px,5vw,58px);font-weight:800;line-height:1.05;letter-spacing:-.04em;color:var(--den-ink)}
.cheque__yr{font-size:14px;color:var(--ink-2)}

/* developers */
.sec--ink{background:var(--ink);color:#E8ECF4;--rule:rgba(232,236,244,.14);--rule-2:rgba(232,236,244,.08)}
.sec--ink .h2{color:#fff}
.dev{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:clamp(32px,6vw,88px);align-items:center}
.dev__copy>p{margin-top:18px;color:#B9C2D3;font-size:18px;max-width:48ch}
.checks{list-style:none;margin:28px 0 0;padding:0;display:grid;gap:12px}
.checks li{display:flex;align-items:center;gap:10px}
.checks .i{color:color-mix(in oklab,var(--den) 60%,#fff)}
.plugins{display:flex;flex-wrap:wrap;gap:8px;margin-top:32px}
.plugins span{display:inline-flex;align-items:center;gap:7px;height:36px;padding:0 14px;border-radius:999px;border:1px solid var(--rule);font-size:14px;color:#D4DAE6}
.plugins .i{width:16px;height:16px;opacity:.8}
.code{border-radius:16px;background:#0B1427;box-shadow:0 30px 60px -30px rgba(0,0,0,.6),inset 0 0 0 1px rgba(232,236,244,.1);overflow:hidden}
.code__tabs{display:flex;align-items:center;gap:2px;padding:8px;border-bottom:1px solid var(--rule)}
.code__tabs button[role=tab]{height:34px;padding:0 12px;border:0;border-radius:8px;background:transparent;color:#9AA6BC;font-family:var(--f-mono);font-size:13px;cursor:pointer}
.code__tabs button[role=tab]:hover{color:#fff}
.code__tabs button[aria-selected=true]{background:rgba(232,236,244,.1);color:#fff}
.code__copy{margin-inline-start:auto;border-color:var(--rule);color:#B9C2D3}
.code__copy:hover{background:rgba(232,236,244,.08)}
.code__pre{margin:0;padding:22px;overflow:auto;font-family:var(--f-mono);font-size:13.5px;line-height:1.75;color:#DCE2EE;min-height:300px;tab-size:2}
.code__pre .c{color:#6F7C95}
.code__pre .s{color:#9FE0C9}
.code__pre .n{color:#F7C58B}
.code__pre .k{color:#B9B6FF}
.code__hook{display:flex;align-items:center;gap:12px;padding:12px 18px;border-top:1px solid var(--rule);font-size:12.5px;color:#9AA6BC;overflow:hidden;white-space:nowrap}
.code__hook span{padding:3px 8px;border-radius:5px;background:color-mix(in oklab,var(--den) 40%,transparent);color:#fff}
.code__hook code{overflow:hidden;text-overflow:ellipsis}
.code__pre::-webkit-scrollbar{height:8px}
.code__pre::-webkit-scrollbar-thumb{background:rgba(232,236,244,.18);border-radius:8px}

/* security */
.secu{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(32px,6vw,96px);align-items:center}
.secu__light{position:relative;aspect-ratio:1;border-radius:3px;overflow:hidden;background:radial-gradient(circle at 50% 50%,#fff 0,var(--sheet) 45%,var(--paper-3) 100%);box-shadow:0 1px 2px rgba(19,32,58,.08),0 30px 60px -36px rgba(19,32,58,.4);outline:1px solid var(--den-line);outline-offset:-14px;display:grid;place-items:center;--x:50%;--y:50%}
.secu__light svg{position:absolute;inset:6%;width:88%;height:88%;color:var(--den);opacity:.55}
.secu__light::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at var(--x) var(--y),rgba(255,255,255,.95),rgba(255,255,255,0) 32%);mix-blend-mode:soft-light;pointer-events:none}
.secu__mono{position:relative;font-weight:900;font-stretch:125%;font-size:clamp(120px,18vw,240px);line-height:1;color:var(--den);opacity:.38;-webkit-mask:radial-gradient(circle at var(--x) var(--y),#000 0,#000 18%,rgba(0,0,0,.25) 40%);mask:radial-gradient(circle at var(--x) var(--y),#000 0,#000 18%,rgba(0,0,0,.25) 40%);transition:opacity .4s var(--ease)}
.secu__light:hover .secu__mono,.secu__light.lit .secu__mono{opacity:.6}
.secu__note{margin-top:10px}
.secu__copy>p{margin-top:18px;color:var(--ink-2);font-size:18px;max-width:48ch}
.feat{list-style:none;margin:36px 0 0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:28px 32px}
.feat li{display:flex;gap:14px}
.feat .i{color:var(--den-ink);margin-top:2px}
.feat h3{font-size:17px;font-weight:700;font-stretch:108%;letter-spacing:-.01em}
.feat p{margin-top:4px;font-size:15px;color:var(--ink-2)}

/* languages */
.langs{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));border-top:1px solid var(--rule);border-left:1px solid var(--rule)}
.langs li{border-right:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.langs button{width:100%;display:flex;justify-content:space-between;align-items:baseline;gap:8px;padding:18px;border:0;background:transparent;cursor:pointer;text-align:start;transition:background-color .2s var(--ease)}
.langs button:hover{background:var(--den-soft)}
.langs .n{font-size:19px;font-weight:600}
.langs .lc{font-family:var(--f-mono);font-size:11px;color:var(--ink-3);text-transform:uppercase}
.langs button[aria-current=true]{background:var(--ink);color:var(--sheet)}
.langs button[aria-current=true] .lc{color:#B9C2D3}

/* faq */
.faq{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(32px,6vw,96px);align-items:start}
.faq__list{border-top:1px solid var(--rule)}
.faq details{border-bottom:1px solid var(--rule)}
.faq summary{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:22px 0;cursor:pointer;list-style:none;font-weight:650;font-size:18px}
.faq summary::-webkit-details-marker{display:none}
.faq summary .i{transition:rotate .3s var(--ease);color:var(--den-ink)}
.faq details[open] summary .i{rotate:180deg}
.faq details p{padding:0 0 22px;color:var(--ink-2);max-width:62ch}

/* final */
.final{padding:var(--pad-sec) 0}
.bignote{position:relative;isolation:isolate;overflow:hidden;border-radius:26px;padding:clamp(36px,7vw,96px);background:linear-gradient(150deg,color-mix(in oklab,var(--den) 88%,#000),color-mix(in oklab,var(--den) 60%,var(--ink)));color:#fff;box-shadow:var(--shadow-l)}
.bignote__waves{position:absolute;inset:0;width:100%;height:100%;color:#fff;opacity:.16;z-index:-1}
.bignote__ros{position:absolute;width:min(560px,90%);right:-8%;top:50%;translate:0 -50%;color:#fff;opacity:.28;z-index:-1}
.bignote__in{position:relative;max-width:720px}
.bignote__in>p{margin-top:18px;font-size:19px;color:rgba(255,255,255,.85)}
.signup{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px;max-width:560px}
.signup input{flex:1 1 240px;height:52px;padding:0 20px;border-radius:999px;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.1);color:#fff;outline:none;transition:border-color .2s var(--ease),background-color .2s var(--ease)}
.signup input::placeholder{color:rgba(255,255,255,.72)}
.signup input:focus{border-color:#fff;background:rgba(255,255,255,.16)}
.signup .btn--den{background:#fff;color:var(--den-ink)}
.signup__msg{flex-basis:100%;min-height:24px;font-size:15px;font-weight:600}
.signup__msg.err{color:#FFD7D3}
.bignote__serial{position:absolute;right:28px;bottom:22px;font-size:13px;font-weight:700;letter-spacing:.1em;color:rgba(255,255,255,.7)}

/* footer */
.ftr{border-top:1px solid var(--rule);padding:56px 0 28px;background:var(--paper)}
.ftr__in{display:grid;grid-template-columns:1fr 1.4fr;gap:40px}
.ftr__brand p{margin-top:14px;color:var(--ink-2);max-width:34ch}
.ftr__cols{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ftr__cols h3{font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-3);margin-bottom:12px}
.ftr__cols a{display:block;padding:5px 0;text-decoration:none;color:var(--ink-2)}
.ftr__cols a:hover{color:var(--ink);text-decoration:underline}
.ftr__base{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-top:48px;padding-top:20px;border-top:1px solid var(--rule);font-size:14px;color:var(--ink-3)}
.ftr__base a{color:var(--ink);font-weight:600}

/* toast */
.toast{position:fixed;left:50%;bottom:24px;z-index:80;translate:-50% 20px;max-width:calc(100vw - 32px);padding:12px 18px;border-radius:12px;background:var(--ink);color:var(--sheet);font-size:15px;box-shadow:var(--shadow-l);opacity:0;pointer-events:none;transition:opacity .3s var(--ease),translate .3s var(--ease)}
.toast.show{opacity:1;translate:-50% 0}

/* reveal */
.rv{opacity:0;translate:0 18px;transition:opacity .7s var(--ease),translate .7s var(--ease)}
.rv.in{opacity:1;translate:0 0}

/* responsive */
@media (max-width:1100px){
  .nav{display:none}
  .burger{display:grid}
  .nav.open{display:flex;position:fixed;inset:76px 0 auto 0;flex-direction:column;gap:2px;padding:12px 16px 20px;background:var(--sheet);border-bottom:1px solid var(--rule);box-shadow:var(--shadow-l);margin:0}
  .nav.open a{padding:14px 12px;font-size:17px}
  .nav.open .nav__cta{display:block;margin-top:8px;background:var(--ink);color:var(--sheet);text-align:center;border-radius:999px}
  .hero__in{grid-template-columns:minmax(0,1fr)}
  .hero__note{max-width:600px}
  .sec__head{grid-template-columns:1fr}
  .den--pay{grid-column:span 6;grid-row:auto}
  .den--wallet,.den--swap{grid-column:span 3}
  .calc,.dev,.secu,.faq{grid-template-columns:1fr}
  .posts{grid-template-columns:repeat(2,1fr)}
  .posts::before{display:none}
  .secu__light{max-width:460px}
}
@media (max-width:720px){
  body{font-size:16px}
  .hdr__login{display:none}
  .hdr__in{gap:12px}
  .series{grid-template-columns:1fr}
  .den--pay,.den--wallet,.den--swap,.den--card,.den--earn{grid-column:auto}
  .den{padding:22px}
  .ledger li{grid-template-columns:1fr auto;gap:2px 12px}
  .ledger li span:first-child{grid-column:1/-1}
  .ledger li span:nth-child(3){grid-row:3;text-align:start}
  .ledger li .mark{grid-row:2/4;grid-column:2}
  .feat{grid-template-columns:1fr}
  .ftr__in{grid-template-columns:1fr}
  .note__body{padding:42px 18px 40px}
  .hide-s{display:none}
  .hero{padding-top:20px}
  .display{font-size:2.35rem}
  .lede{margin-top:14px;font-size:16px}
  .hero__cta{margin-top:20px;gap:8px;flex-wrap:nowrap}
  .hero__cta .btn--lg{height:46px;padding:0 16px;font-size:15px}
  .hero__note{margin-top:-8px}
  .hero__rosette{width:900px;right:-430px;top:22%;opacity:.24}
  .note__value{font-size:36px;white-space:nowrap}
  .bignote{padding:44px 22px 40px}
  .bignote__ros{display:none}
  .posts{grid-template-columns:1fr;gap:28px}
  .posts::before{display:none}
  .post{grid-template-columns:104px 1fr;column-gap:18px;align-items:center}
  .post__mark{width:104px;grid-row:span 2}
  .post h3{margin-top:0;font-size:24px;align-self:end}
  .post p{align-self:start}
  .lang__menu{position:fixed;top:76px;left:16px;right:16px;width:auto;grid-template-columns:1fr 1fr}
  .note__qr{width:84px}
  .note__value.is-long{font-size:30px}
  .note__foil{right:112px}
  .stamp{width:120px;top:84px;right:10px}
  .stamp span{font-size:27px}
  .ftr__cols{grid-template-columns:1fr 1fr}
  .langs{grid-template-columns:1fr 1fr}
  .langs button{padding:14px}
  .langs .n{font-size:16px}
  .bignote__serial{display:none}
}
@media (max-width:480px){
  .hdr__sign{display:none}
  .brand__word{font-size:18px}
  .lang__btn{padding:0 10px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .rv{opacity:1;translate:none}
}