:root{
  --night:#06182B;--ink:#0A2540;--ink-2:#123152;--ink-3:#1B3D63;
  --gold:#C9A15A;--gold-deep:#8B6C2E;
  --paper:#FAFBFC;--mist:#EDF1F5;--line:#D8E0E9;
  --text:#1B2B3C;--muted:#566677;--ok:#2FBF8A;--bad:#E5604D;
  --display:'Bricolage Grotesque',system-ui,sans-serif;
  --body:'IBM Plex Sans',system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--body);background:var(--paper);color:var(--text);line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:var(--display);color:var(--ink);font-weight:600;letter-spacing:-.025em;line-height:1.06}
a{color:inherit}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:4px}
.wrap{max-width:1160px;margin:0 auto;padding:0 32px}
.section{padding:104px 0}
.section.mist{background:var(--mist)}
.section.night{background:var(--night);color:#C7D3E0}
.section.night h2,.section.night h3{color:#fff}
h2{font-size:clamp(30px,3.8vw,46px);max-width:16em}
.lead{font-size:19px;color:var(--muted);max-width:34em;margin-top:18px}
.night .lead{color:#9FB0C3}

/* ---------- nav ---------- */
nav{position:fixed;top:0;left:0;right:0;z-index:100;transition:background .25s,box-shadow .25s,color .25s;color:#fff;--logo-q:#0A2540}
nav.scrolled,nav.menu-open{background:rgba(250,251,252,.94);backdrop-filter:blur(10px);color:var(--ink);box-shadow:0 1px 0 var(--line);--logo-q:#fff}
.nav-inner{display:flex;align-items:center;justify-content:space-between;max-width:1160px;margin:0 auto;padding:18px 32px}
.nav-brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.nav-brand span{font:700 21px var(--display);letter-spacing:.04em}
.logo .ring{fill:none;stroke:currentColor;stroke-width:6}
.logo .dot{fill:currentColor}
.logo text{fill:var(--logo-q);font:700 20px var(--display)}
.nav-links{display:flex;align-items:center;gap:30px}
nav a.nl{font-size:15px;font-weight:500;text-decoration:none;padding:6px 0;position:relative;opacity:.86}
nav a.nl:hover,nav a.nl[aria-current="page"]{opacity:1}
nav a.nl::after{content:'';position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--gold);transform:scaleX(0);transform-origin:left;transition:transform .25s}
nav a.nl:hover::after,nav a.nl[aria-current="page"]::after{transform:scaleX(1)}
.nav-cta{background:var(--gold);color:var(--ink);font-weight:600;font-size:15px;padding:10px 20px;border-radius:999px;text-decoration:none;transition:transform .2s,background .2s}
.nav-cta:hover{transform:translateY(-1px);background:#d6b06a}
.menu-btn{display:none;background:none;border:1px solid currentColor;color:inherit;border-radius:8px;padding:8px 14px;font:500 14px var(--body);cursor:pointer}

/* ---------- hero ---------- */
.hero,.page-hero{background-color:var(--night);color:#fff;position:relative;overflow:hidden;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='60' height='104' viewBox='0 0 60 104'><path d='M30 2 58 18v32L30 66 2 50V18z M30 66v36 M2 50 2 86 M58 50v36' fill='none' stroke='%23C9A15A' stroke-opacity='.09' stroke-width='1'/></svg>")}
.hero::after,.page-hero::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,var(--night) 8%,transparent 70%);pointer-events:none}
.hero .wrap,.page-hero .wrap{position:relative;z-index:1}
.hero{padding:150px 0 90px}
.hero .wrap{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:center}
.hero h1{color:#fff;font-size:clamp(42px,6vw,78px);line-height:.98;letter-spacing:-.035em;margin-bottom:26px}
.hero p.sub{font-size:19px;color:#B4C2D1;max-width:30em;margin-bottom:34px}
.ctas{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;padding:15px 28px;border-radius:999px;font-weight:600;font-size:16px;text-decoration:none;transition:transform .2s,background .2s,border-color .2s}
.btn:hover{transform:translateY(-2px)}
.btn-gold{background:var(--gold);color:var(--ink)}
.btn-gold:hover{background:#d6b06a}
.btn-ghost{border:1px solid rgba(255,255,255,.35);color:#fff}
.btn-ghost:hover{border-color:var(--gold)}
.page-hero{padding:150px 0 76px}
.page-hero h1{color:#fff;font-size:clamp(36px,5.2vw,66px);line-height:1;max-width:14em;margin-bottom:20px;letter-spacing:-.035em}
.page-hero p{font-size:20px;color:#B4C2D1;max-width:32em}

/* ---------- simulator ---------- */
.sim{container-type:inline-size;width:100%}
.sim-stage{font-size:min(15px,calc(100cqw/37));display:flex;align-items:center;justify-content:center;gap:0}
.phone{width:15em;height:30em;background:#0d2037;border:.45em solid #1f3a58;border-radius:2.4em;position:relative;flex:none;box-shadow:0 2em 4em rgba(0,0,0,.45)}
.phone::before{content:'';position:absolute;top:.6em;left:50%;width:4em;height:.9em;margin-left:-2em;background:#06182B;border-radius:1em;z-index:3}
.screen{position:absolute;inset:0;border-radius:1.9em;background:#F5F7FA;color:var(--ink);overflow:hidden}
.s,.a{position:absolute;inset:0;opacity:0;transform:translateY(.6em);transition:opacity .4s,transform .4s;pointer-events:none;padding:2.8em 1.3em 1.3em;display:flex;flex-direction:column}
.sim[data-step="1"] .s1,.sim[data-step="2"] .s2,.sim[data-step="3"] .s3,.sim[data-step="4"] .s4,
.sim[data-step="1"] .a1,.sim[data-step="2"] .a2,.sim[data-step="3"] .a3,.sim[data-step="4"] .a4{opacity:1;transform:none;pointer-events:auto}
.appbar{font:600 .8em var(--body);color:var(--muted);margin-bottom:1.1em;display:flex;align-items:center;gap:.5em}
.appbar i{width:1.6em;height:1.6em;border-radius:50%;background:var(--ink);display:inline-block}
.s h4,.a h4{font:600 1.35em/1.15 var(--display);letter-spacing:-.02em;margin-bottom:.4em}
.s p,.a p{font-size:.88em;color:var(--muted);line-height:1.4}
.chips{display:flex;gap:.5em;margin:1.2em 0}
.chip{flex:1;border:1px solid var(--line);background:#fff;border-radius:.8em;padding:.7em 0;font:600 1em var(--body);color:var(--ink);cursor:pointer;transition:.2s}
.chip[aria-pressed="true"]{background:var(--ink);color:#fff;border-color:var(--ink)}
.fake-btn{margin-top:auto;background:var(--ink);color:#fff;text-align:center;border-radius:.9em;padding:.9em;font:600 .95em var(--body)}
.qr{width:11em;height:11em;margin:.6em auto .8em;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:.8em;padding:.7em}
.qr svg{width:100%;height:100%;display:block}
.timer{height:.35em;background:var(--line);border-radius:1em;overflow:hidden;margin:.4em 0 .5em}
.timer b{display:block;height:100%;width:100%;background:var(--gold);transform-origin:left}
.sim[data-step="2"] .timer b{animation:drain 3.4s linear forwards}
@keyframes drain{from{transform:scaleX(1)}to{transform:scaleX(.72)}}
.spin{width:2.6em;height:2.6em;border:.25em solid var(--line);border-top-color:var(--gold);border-radius:50%;margin:1.6em auto 1em;animation:rot 1s linear infinite}
@keyframes rot{to{transform:rotate(360deg)}}
.ok{width:3.6em;height:3.6em;border-radius:50%;background:var(--ok);margin:1.4em auto .9em;display:grid;place-items:center}
.ok svg{width:55%;height:55%;stroke:#fff;stroke-width:4;fill:none;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:30;stroke-dashoffset:30}
.sim[data-step="4"] .ok svg{animation:draw .5s .15s forwards}
@keyframes draw{to{stroke-dashoffset:0}}
.center{text-align:center}
.link{width:5em;height:2px;position:relative;flex:none;background:repeating-linear-gradient(90deg,rgba(201,161,90,.55) 0 .4em,transparent .4em .8em)}
.link i{position:absolute;top:-.3em;left:0;width:.7em;height:.7em;border-radius:50%;background:var(--gold);opacity:0}
.sim[data-step="2"] .link i{animation:travel 1.6s .3s ease-in-out forwards}
@keyframes travel{0%{opacity:1;left:0}100%{opacity:1;left:calc(100% - .7em)}}
.atm{width:17em;height:26em;background:#12304F;border-radius:1.2em;padding:1.1em;position:relative;flex:none;box-shadow:0 2em 4em rgba(0,0,0,.45);border:.3em solid #1f3a58}
.atm .scr{position:relative;height:15em;background:#06182B;border-radius:.7em;overflow:hidden;border:1px solid #2a4c72}
.a{padding:1.2em 1em;color:#E5ECF4;align-items:center;text-align:center;justify-content:center}
.a h4{color:#fff;font-size:1.2em}
.a p{color:#9FB0C3}
.view{width:7em;height:7em;border:2px solid var(--gold);border-radius:.8em;margin:.2em auto .8em;position:relative;overflow:hidden}
.view::after{content:'';position:absolute;left:0;right:0;height:2px;background:var(--gold);box-shadow:0 0 1em var(--gold);animation:scan 1.3s ease-in-out infinite alternate}
@keyframes scan{from{top:0}to{top:100%}}
.qrmark{width:2.4em;height:2.4em;margin:.5em auto 1em;color:var(--gold)}
.keypad{display:grid;grid-template-columns:repeat(3,1fr);gap:.4em;margin:1em .2em 0}
.keypad i{height:1.5em;background:#1B3D63;border-radius:.3em}
.slot{height:.7em;background:#020c17;border-radius:.4em;margin:1em 1.4em 0;position:relative}
.bills{position:absolute;left:1.8em;right:1.8em;top:.35em;height:4em;overflow:hidden;pointer-events:none}
.bills i{position:absolute;left:0;right:0;top:-3.5em;height:3em;background:linear-gradient(#cdb27a,#b89654);border-radius:.2em;opacity:0}
.sim[data-step="4"] .bills i{animation:out 1.3s .5s ease-out forwards}
@keyframes out{0%{top:-3.5em;opacity:1}100%{top:.2em;opacity:1}}
.sim-steps{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:40px}
.sim-steps button{all:unset;cursor:pointer;display:block;width:100%;border-top:2px solid rgba(255,255,255,.18);padding-top:14px;position:relative;box-sizing:border-box}
.sim-steps button:focus-visible{outline:3px solid var(--gold);outline-offset:3px}
.sim-steps button::before{content:'';position:absolute;left:0;top:-2px;height:2px;width:0;background:var(--gold)}
.sim-steps button[aria-current="step"]::before{width:100%;animation:fill 3.4s linear}
.sim.paused .sim-steps button[aria-current="step"]::before{animation:none}
@keyframes fill{from{width:0}to{width:100%}}
.sim-steps strong{display:block;color:#fff;font:600 16px var(--display);margin-bottom:4px}
.sim-steps span{font-size:14px;color:#9FB0C3;line-height:1.45;display:block}
.sim-steps button[aria-current="false"] strong{opacity:.55}
.sim-note{font-size:13px;color:#7F93A8;margin-top:18px}

/* ---------- problem rows ---------- */
.problem{display:grid;grid-template-columns:5fr 6fr;gap:72px;align-items:start}
.problem .sticky{position:sticky;top:110px}
.rows{list-style:none}
.rows li{display:grid;grid-template-columns:200px 1fr;gap:28px;padding:30px 0;border-top:1px solid var(--line)}
.rows li:last-child{border-bottom:1px solid var(--line)}
.rows h3{font-size:22px}
.rows p{color:var(--muted)}
.night .rows li{border-color:rgba(255,255,255,.14)}
.night .rows p{color:#9FB0C3}

/* ---------- network ---------- */
.net{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center;margin-top:12px}
.pick{display:flex;flex-direction:column;gap:10px;margin-top:30px}
.pick button{text-align:left;font:500 16px var(--body);color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 18px;cursor:pointer;transition:.2s}
.pick button:hover{border-color:var(--gold)}
.pick button[aria-pressed="true"]{background:var(--ink);color:#fff;border-color:var(--ink)}
.net-caption{margin-top:22px;font-size:17px;color:var(--ink);min-height:3.4em;font-weight:500}
.net-note{font-size:13px;color:var(--muted);margin-top:6px}
.netwrap{overflow-x:auto;border-radius:20px;background:var(--night)}
.netsvg{min-width:600px;width:100%;height:auto;display:block;background:var(--night);border-radius:20px}
.netsvg .ln{stroke:rgba(255,255,255,.12);stroke-width:2;fill:none;transition:stroke .3s}
.netsvg .ln.on{stroke:var(--gold);stroke-dasharray:6 7;animation:dash 1s linear infinite}
@keyframes dash{to{stroke-dashoffset:-26}}
.netsvg .nd rect,.netsvg .nd circle{fill:var(--ink-2);stroke:rgba(255,255,255,.25);stroke-width:1.5;transition:.3s}
.netsvg .nd.on rect,.netsvg .nd.on circle{stroke:var(--gold);fill:var(--ink-3)}
.netsvg text{font:500 13px var(--body);fill:#B4C2D1}
.netsvg .hub{fill:var(--gold)}
.netsvg .hubq{font:700 26px var(--display);fill:var(--ink)}
.netsvg .lbl{font-size:12px;fill:#7F93A8}

/* ---------- duo ---------- */
.duo{display:grid;grid-template-columns:1fr 1fr;border-radius:24px;overflow:hidden;border:1px solid var(--line)}
.duo>div{padding:52px 48px}
.duo .dark{background:var(--ink);color:#C7D3E0}
.duo .dark h3{color:#fff}
.duo h3{font-size:28px;margin-bottom:22px}
.duo ul{list-style:none}
.duo li{padding:13px 0 13px 26px;position:relative;border-top:1px solid var(--line)}
.duo .dark li{border-color:rgba(255,255,255,.14)}
.duo li::before{content:'';position:absolute;left:0;top:23px;width:10px;height:2px;background:var(--gold)}
.duo .light{background:#fff}

/* ---------- ledger ---------- */
.ledger{display:grid;grid-template-columns:1fr 1fr;margin-top:44px;border-top:2px solid var(--ink)}
.ledger>div{padding:28px 36px 28px 0}
.ledger>div+div{padding-left:36px;border-left:1px solid var(--line);padding-right:0}
.ledger h3{font-size:22px;margin-bottom:14px}
.ledger ul{list-style:none}
.ledger li{padding:9px 0;border-top:1px solid var(--line);display:flex;gap:12px}
.ledger li:first-child{border-top:none}
.ledger .yes li::before{content:'+';color:var(--ok);font-weight:700}
.ledger .no li::before{content:'−';color:var(--bad);font-weight:700}

/* ---------- tabs ---------- */
.tabs{display:grid;grid-template-columns:4fr 7fr;gap:48px;margin-top:44px;align-items:start}
.tablist{display:flex;flex-direction:column;gap:8px}
.tablist button{text-align:left;font:500 17px var(--body);padding:16px 20px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;transition:.2s}
.tablist button:hover{border-color:var(--gold)}
.tablist button[aria-selected="true"]{background:var(--ink);color:#fff;border-color:var(--ink)}
.panel[hidden]{display:none}
.panel{background:var(--night);border-radius:20px;padding:34px;color:#C7D3E0;animation:pin .35s}
@keyframes pin{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.log{list-style:none;font:14px/1.5 ui-monospace,'SF Mono',Menlo,monospace;margin-bottom:24px}
.log li{display:grid;grid-template-columns:56px 1fr;gap:12px;padding:9px 0;border-top:1px solid rgba(255,255,255,.1)}
.log li:first-child{border-top:none}
.log time{color:var(--gold)}
.log .bad{color:#FF9C8E}.log .good{color:#7BE0B8}
.verdict{display:inline-block;font:600 14px var(--body);padding:7px 14px;border-radius:999px;margin-bottom:10px}
.verdict.r{background:rgba(229,96,77,.16);color:#FF9C8E}
.verdict.a{background:rgba(47,191,138,.16);color:#7BE0B8}
.panel p.exp{color:#fff;font-size:18px;max-width:30em}
.panel.lightp{background:#fff;color:var(--text);border:1px solid var(--line)}
.panel.lightp h3{font-size:26px;margin-bottom:18px}
.panel.lightp dl{display:grid;grid-template-columns:160px 1fr}
.panel.lightp dt,.panel.lightp dd{padding:14px 0;border-top:1px solid var(--line)}
.panel.lightp dt{font-weight:600;color:var(--ink)}
.panel.lightp dd{color:var(--muted)}

/* ---------- timeline ---------- */
.timeline{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);position:relative;margin-top:48px}
.timeline::before{content:'';position:absolute;left:0;right:0;top:17px;height:2px;background:rgba(255,255,255,.18)}
.timeline li{padding:50px 28px 0 0;position:relative}
.timeline li::before{content:attr(data-n);position:absolute;top:0;left:0;width:36px;height:36px;border-radius:50%;background:var(--gold);color:var(--ink);font:700 15px var(--display);display:grid;place-items:center}
.timeline h3{font-size:20px;margin-bottom:8px}
.timeline p{font-size:15px;color:#9FB0C3}

/* ---------- faq ---------- */
.faq{max-width:780px;margin-top:40px}
details{border-top:1px solid var(--line)}
details:last-child{border-bottom:1px solid var(--line)}
summary{list-style:none;cursor:pointer;padding:22px 40px 22px 0;font:600 20px var(--display);color:var(--ink);position:relative;letter-spacing:-.01em}
summary::-webkit-details-marker{display:none}
summary::after{content:'+';position:absolute;right:4px;top:50%;transform:translateY(-50%);font:400 28px var(--body);color:var(--gold-deep);transition:transform .25s}
details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
details p{padding:0 40px 24px 0;color:var(--muted);max-width:36em;animation:pin .3s}

/* ---------- cta / statements ---------- */
.cta{background:var(--ink);padding:100px 0;color:#fff}
.cta .wrap{display:flex;justify-content:space-between;align-items:center;gap:40px;flex-wrap:wrap}
.cta h2{color:#fff;font-size:clamp(30px,4vw,52px);max-width:12em}
.cta p{color:#9FB0C3;margin-top:14px;max-width:28em}
.statement{font:600 clamp(28px,3.6vw,48px)/1.12 var(--display);letter-spacing:-.03em;color:var(--ink);max-width:20em}
.pair{display:grid;grid-template-columns:1fr 1fr;gap:64px;margin-top:64px}
.pair h3{font-size:15px;color:var(--gold-deep);font-family:var(--body);font-weight:600;margin-bottom:12px;letter-spacing:0}
.pair p{font:500 22px/1.35 var(--display);letter-spacing:-.015em;color:var(--ink)}
.notice{border-left:3px solid var(--gold);padding:6px 0 6px 24px;max-width:40em;font-size:18px;margin-top:28px}
.values{margin-top:36px;max-width:760px}

/* ---------- footer ---------- */
footer{background:var(--night);color:#8DA0B5;padding:64px 0 30px}
.fcols{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;margin-bottom:44px}
footer h4{color:#fff;font:600 15px var(--display);margin-bottom:12px}
footer a{display:block;color:#8DA0B5;text-decoration:none;font-size:15px;padding:4px 0}
footer a:hover{color:var(--gold)}
footer .legal{border-top:1px solid rgba(255,255,255,.1);padding-top:22px;font-size:13px}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}
@media (max-width:900px){
  body{font-size:16px}
  .wrap{padding:0 20px}.nav-inner{padding:14px 20px}
  .section{padding:72px 0}
  .menu-btn{display:block}
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:var(--paper);color:var(--ink);flex-direction:column;align-items:flex-start;padding:16px 20px 24px;gap:14px;border-bottom:1px solid var(--line)}
  .nav-links.open{display:flex}
  .hero{padding:120px 0 60px}.hero .wrap{grid-template-columns:1fr;gap:44px}
  .hero::after,.page-hero::after{background:none}
  .page-hero{padding:120px 0 56px}
  .problem,.net,.tabs,.duo,.ledger,.pair,.fcols{grid-template-columns:1fr}
  .problem{gap:36px}
  .problem .sticky{position:static}
  .rows li{grid-template-columns:1fr;gap:8px}
  .duo>div{padding:34px 26px}
  .ledger>div+div{padding-left:0;border-left:none;border-top:1px solid var(--line)}
  .sim-steps{grid-template-columns:1fr 1fr;gap:22px 14px}
  .timeline{grid-template-columns:1fr;gap:28px}
  .timeline::before{left:17px;right:auto;top:0;bottom:0;width:2px;height:auto}
  .timeline li{padding:0 0 0 54px}
  .panel.lightp dl{grid-template-columns:1fr}.panel.lightp dt{border-bottom:none;padding-bottom:0}.panel.lightp dd{border-top:none;padding-top:2px}
  .pair{gap:32px}
}

.social{display:flex;gap:12px;margin-top:18px}
footer .social a{display:grid;place-items:center;width:42px;height:42px;padding:0;border:1px solid rgba(255,255,255,.2);border-radius:50%;color:#C7D3E0;transition:.2s}
footer .social a:hover{color:var(--ink);background:var(--gold);border-color:var(--gold)}
.social a{display:grid;place-items:center;width:46px;height:46px;border:1px solid var(--line);border-radius:50%;color:var(--ink);transition:.2s}
.social a:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.social svg{width:20px;height:20px}

.contact-grid{display:grid;grid-template-columns:5fr 6fr;gap:72px;align-items:start}
.mailline{margin-top:26px;font:600 clamp(22px,2.6vw,30px) var(--display);letter-spacing:-.02em}
.mailline a{color:var(--ink);text-decoration:underline;text-decoration-color:var(--gold);text-underline-offset:6px;text-decoration-thickness:2px}
.cform{display:grid;gap:18px}
.cform label{display:grid;gap:6px;font-weight:600;font-size:15px;color:var(--ink)}
.cform .opt{font-weight:400;color:var(--muted)}
.cform input,.cform textarea{font:400 16px var(--body);padding:13px 14px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--text);width:100%}
.cform input:focus,.cform textarea:focus{outline:3px solid var(--gold);outline-offset:1px;border-color:var(--gold)}
.cform textarea{resize:vertical;min-height:130px}
.cform .btn{border:none;cursor:pointer;justify-self:start;font-family:var(--body)}
.cform .btn:disabled{opacity:.6;cursor:wait}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-status{font-size:15px;color:var(--ink);min-height:1.5em}
.form-status a{text-decoration:underline}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr;gap:44px}}
.btn-ink{background:var(--ink);color:#fff}
.btn-ink:hover{background:var(--ink-3)}