:root{
    --paper:#F1F2ED; --paper-2:#E5E7DF; --ink:#14171A; --stamp:#4B2E83; --white:#FCFCFA;
    --ink-60:#5b6067; --line:#d7d9d1;
    --display:"Bricolage Grotesque",system-ui,sans-serif;
    --body:"Instrument Sans",system-ui,sans-serif;
    --mono:"DM Mono",ui-monospace,monospace;
    --wrap:1120px;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{background:var(--paper);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased}
  .wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
  a{color:inherit;text-decoration:none}
  h1,h2,h3{font-family:var(--display);font-weight:800;letter-spacing:-.02em;line-height:1.02}
  .eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--stamp)}
  .mono{font-family:var(--mono)}
  :focus-visible{outline:2.5px solid var(--stamp);outline-offset:3px;border-radius:3px}

  /* ---------- buttons ---------- */
  .btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--body);font-weight:600;font-size:16px;
    padding:13px 22px;border-radius:9px;border:1.5px solid var(--ink);cursor:pointer;transition:transform .12s ease,background .15s ease;min-height:44px}
  .btn-primary{background:var(--ink);color:var(--paper)}
  .btn-primary:hover{transform:translateY(-1px);background:#000}
  .btn-ghost{background:transparent;color:var(--ink)}
  .btn-ghost:hover{background:var(--paper-2)}

  /* ---------- nav ---------- */
  header{position:sticky;top:0;z-index:50;background:rgba(241,242,237,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
  nav{display:flex;align-items:center;gap:28px;height:66px}
  .brand{display:flex;align-items:center;gap:9px;font-family:var(--display);font-weight:800;font-size:21px;letter-spacing:-.02em}
  .brand .tld{color:var(--stamp)}
  .brand svg{width:30px;height:30px;color:var(--ink)}
  .navlinks{display:flex;gap:22px;margin-left:8px}
  .navlinks a{font-size:15px;color:var(--ink-60);font-weight:500}
  .navlinks a:hover{color:var(--ink)}
  .nav-right{margin-left:auto;display:flex;align-items:center;gap:14px}
  .lang{position:relative}
  .lang-btn{display:flex;align-items:center;gap:7px;font-family:var(--mono);font-size:13px;background:transparent;border:1px solid var(--line);
    padding:8px 11px;border-radius:8px;cursor:pointer;min-height:38px}
  .lang-btn:hover{border-color:var(--ink)}
  .lang-menu{position:absolute;right:0;top:46px;background:var(--white);border:1px solid var(--line);border-radius:10px;
    box-shadow:0 12px 34px rgba(20,23,26,.12);padding:6px;min-width:190px;display:none;max-height:340px;overflow:auto}
  .lang-menu.open{display:block}
  .lang-menu button{display:flex;justify-content:space-between;gap:10px;width:100%;text-align:left;background:none;border:none;
    font-family:var(--body);font-size:15px;padding:9px 11px;border-radius:7px;cursor:pointer;color:var(--ink)}
  .lang-menu button:hover{background:var(--paper)}
  .lang-menu button .native{color:var(--ink-60);font-family:var(--mono);font-size:12px}
  .lang-menu button[aria-current="true"]{background:var(--paper-2);font-weight:600}
  .menu-toggle{display:none}

  /* ---------- hero ---------- */
  .hero{padding:76px 0 60px;position:relative;overflow:hidden}
  .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
  .hero h1{font-size:clamp(40px,6vw,68px)}
  .hero .sub{font-size:20px;color:var(--ink-60);margin:22px 0 30px;max-width:30ch}
  .hero-cta{display:flex;gap:14px;flex-wrap:wrap}
  .hero-foot{margin-top:28px;font-family:var(--mono);font-size:12.5px;color:var(--ink-60);letter-spacing:.02em}
  .hero-foot span{white-space:nowrap}

  /* ---------- receipt + stamp signature ---------- */
  .receipt-stage{position:relative;display:flex;justify-content:center;perspective:900px}
  .receipt{width:300px;background:var(--white);padding:26px 26px 34px;border-radius:3px;
    box-shadow:0 1px 0 var(--line),0 26px 50px -24px rgba(20,23,26,.35);
    font-family:var(--mono);font-size:13px;color:var(--ink);position:relative;
    clip-path:polygon(0 0,100% 0,100% calc(100% - 8px),94% 100%,88% calc(100% - 8px),82% 100%,76% calc(100% - 8px),70% 100%,64% calc(100% - 8px),58% 100%,52% calc(100% - 8px),46% 100%,40% calc(100% - 8px),34% 100%,28% calc(100% - 8px),22% 100%,16% calc(100% - 8px),10% 100%,6% calc(100% - 8px),0 100%)}
  .receipt .r-head{font-family:var(--display);font-weight:800;font-size:19px;letter-spacing:-.01em;text-align:center;margin-bottom:4px}
  .receipt .r-sub{text-align:center;color:var(--ink-60);font-size:11px;margin-bottom:14px}
  .r-line{display:flex;justify-content:space-between;gap:12px;padding:3px 0}
  .r-rule{border-top:1px dashed var(--line);margin:10px 0}
  .r-ok{color:var(--stamp)}
  .r-total{font-weight:500;font-size:15px}
  .r-meta{color:var(--ink-60);font-size:11px}
  /* print reveal */
  .receipt .r-row{opacity:0;transform:translateY(-7px)}
  .anim .receipt .r-row{animation:print .28s ease forwards}
  @keyframes print{to{opacity:1;transform:translateY(0)}}
  /* stamp */
  .stamp{position:absolute;right:2px;bottom:44px;width:132px;height:132px;border:3px solid var(--stamp);border-radius:50%;
    display:flex;align-items:center;justify-content:center;transform:rotate(-14deg) scale(1);color:var(--stamp);
    box-shadow:inset 0 0 0 3px var(--white),inset 0 0 0 5px var(--stamp);opacity:.94;
    mix-blend-mode:multiply}
  .stamp span{font-family:var(--display);font-weight:800;font-size:22px;letter-spacing:.02em;text-align:center;line-height:.95}
  .stamp small{display:block;font-family:var(--mono);font-weight:400;font-size:8.5px;letter-spacing:.22em;margin-top:5px}
  .anim .stamp{opacity:0;animation:drop .42s cubic-bezier(.2,1.5,.4,1) forwards;animation-delay:1.5s}
  @keyframes drop{0%{opacity:0;transform:rotate(-14deg) scale(2.1)}60%{opacity:1;transform:rotate(-14deg) scale(.92)}100%{opacity:.94;transform:rotate(-14deg) scale(1)}}

  /* ---------- generic section ---------- */
  section{padding:82px 0;border-top:1px solid var(--line)}
  .sec-head{max-width:60ch;margin-bottom:40px}
  .sec-head h2{font-size:clamp(28px,4vw,42px);margin:14px 0}
  .sec-head p{color:var(--ink-60);font-size:18px}
  .dark{background:var(--ink);color:var(--paper);border-top:none}
  .dark .sec-head p{color:#a9adb3}
  .dark .eyebrow{color:#b9a6e6}
  /* White surfaces inside dark sections must reset to ink — otherwise they inherit light text */
  .dark .card,
  .dark .flow .step,
  .dark .vbox,
  .dark .route,
  .dark .device,
  .dark .market,
  .dark .mile,
  .dark .rail{
    color:var(--ink);
  }
  .dark .card h4,
  .dark .card .num,
  .dark .flow .step b{
    color:var(--ink);
  }
  .dark .card p{
    color:var(--ink-60);
  }
  .dark .card .k{
    color:var(--stamp);
  }
  .dark .flow .ar{
    color:#b9a6e6;
  }

  /* rail strip */
  .rails{display:flex;flex-wrap:wrap;gap:10px}
  .rail{font-family:var(--mono);font-size:13.5px;padding:10px 15px;border:1px solid var(--line);border-radius:999px;background:var(--white)}
  .rail.soon{color:var(--ink-60);border-style:dashed}
  .rail.soon::after{content:" · in process";color:var(--stamp);font-size:11px}

  /* net value */
  .nv-formula{font-family:var(--mono);font-size:15px;background:var(--white);border:1px solid var(--line);
    border-radius:12px;padding:16px 20px;display:inline-block;margin-bottom:30px}
  .nv-formula b{color:var(--stamp)}
  .routes{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
  .route{background:var(--white);border:1.5px solid var(--line);border-radius:14px;padding:22px;position:relative;transition:border-color .2s}
  .route h4{font-family:var(--mono);font-weight:500;font-size:13px;color:var(--ink-60);text-transform:uppercase;letter-spacing:.1em}
  .route .big{font-family:var(--display);font-weight:800;font-size:34px;margin:10px 0 2px}
  .route .lbl{font-size:13px;color:var(--ink-60)}
  .route .cost{font-family:var(--mono);font-size:13px;margin-top:14px;padding-top:14px;border-top:1px dashed var(--line);display:flex;justify-content:space-between}
  .route.best{border-color:var(--stamp);box-shadow:0 0 0 3px rgba(75,46,131,.12)}
  .route .tag{position:absolute;top:-11px;left:20px;background:var(--stamp);color:var(--white);font-family:var(--mono);
    font-size:11px;letter-spacing:.08em;text-transform:uppercase;padding:4px 10px;border-radius:999px;display:none}
  .route.best .tag{display:block}
  .nv-note{margin-top:26px;font-size:17px;max-width:64ch;color:var(--ink)}
  .nv-note b{color:var(--stamp)}

  /* cards grid */
  .cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
  .card{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:22px;color:var(--ink)}
  .card .k{font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--stamp)}
  .card h4{font-family:var(--display);font-weight:700;font-size:18px;margin:10px 0 7px;color:var(--ink)}
  .card p{font-size:14.5px;color:var(--ink-60)}
  .card .num{font-family:var(--display);font-weight:800;font-size:26px;margin-top:8px;color:var(--ink)}

  /* devices */
  .devices{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
  .device{border:1px solid var(--line);border-radius:14px;padding:24px;background:var(--white)}
  .device .glyph{font-family:var(--mono);font-size:12px;color:var(--stamp);letter-spacing:.1em}
  .device h4{font-family:var(--display);font-weight:700;font-size:19px;margin:8px 0 6px}
  .device p{font-size:14.5px;color:var(--ink-60)}
  .strip{margin-top:22px;font-family:var(--mono);font-size:13px;color:var(--ink-60);display:flex;flex-wrap:wrap;gap:8px 18px}
  .strip span{white-space:nowrap}

  /* verification */
  .verify-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
  .tech-toggle{margin-top:20px}
  .tech-toggle summary{font-family:var(--mono);font-size:13px;color:var(--stamp);cursor:pointer;list-style:none;
    display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);padding:9px 14px;border-radius:8px}
  .tech-toggle summary::-webkit-details-marker{display:none}
  .tech-toggle[open] summary{background:var(--paper-2)}
  .tech-body{font-family:var(--mono);font-size:12.5px;color:#a9adb3;margin-top:16px;line-height:1.9;
    background:#1c2024;border:1px solid #2a2f34;border-radius:12px;padding:18px;overflow:auto}
  .tech-body .kk{color:#b9a6e6}
  /* verify widget */
  .vbox{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:24px}
  .vbox label{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-60)}
  .vrow{display:flex;gap:10px;margin-top:10px}
  .vrow input{flex:1;font-family:var(--mono);font-size:14px;padding:12px 14px;border:1.5px solid var(--line);border-radius:9px;background:var(--paper);min-height:44px}
  .vrow input:focus{border-color:var(--stamp);outline:none}
  .vresult{margin-top:18px;display:none}
  .vresult.show{display:block;animation:print .3s ease}
  .vbadge{display:inline-flex;align-items:center;gap:9px;font-family:var(--display);font-weight:800;font-size:20px;color:var(--stamp)}
  .vbadge .tick{width:26px;height:26px;border-radius:50%;border:2.5px solid var(--stamp);display:inline-flex;align-items:center;justify-content:center}
  .vgrid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:16px}
  .vgrid div{border-top:1px solid var(--line);padding-top:9px}
  .vgrid .vk{font-family:var(--mono);font-size:11px;color:var(--ink-60);letter-spacing:.06em;text-transform:uppercase}
  .vgrid .vv{font-weight:600;font-size:14.5px}

  /* one order -> many events */
  .fan{margin-top:34px;display:flex;flex-direction:column;align-items:center;gap:12px;font-family:var(--mono);font-size:13px}
  .fan .node{background:var(--white);border:1px solid var(--line);border-radius:9px;padding:9px 16px}
  .fan .root{background:var(--ink);color:var(--paper);border-color:var(--ink)}
  .fan .row{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
  .fan .arrow{color:var(--ink-60)}

  /* two markets */
  .markets{display:grid;grid-template-columns:1fr 1fr;gap:20px}
  .market{border:1px solid var(--line);border-radius:16px;padding:26px;background:var(--white)}
  .market .flagtag{font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--stamp)}
  .market h3{font-size:24px;margin:8px 0 12px}
  .market ul{list-style:none;display:flex;flex-direction:column;gap:9px}
  .market li{font-size:15px;padding-left:20px;position:relative;color:var(--ink)}
  .market li::before{content:"—";position:absolute;left:0;color:var(--stamp)}

  /* ecosystem */
  .flow{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-family:var(--mono);font-size:13.5px}
  .flow .step{background:var(--white);border:1px solid var(--line);border-radius:9px;padding:10px 15px;color:var(--ink)}
  .flow .step b{display:block;font-family:var(--display);font-size:14px;color:var(--ink)}
  .flow .ar{color:var(--stamp)}

  /* roadmap */
  .road{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
  .mile{border:1px solid var(--line);border-radius:12px;padding:16px;background:var(--white)}
  .mile .m{font-family:var(--mono);font-weight:500;color:var(--stamp);font-size:13px}
  .mile h4{font-family:var(--display);font-weight:700;font-size:15px;margin:7px 0 5px}
  .mile p{font-size:12.5px;color:var(--ink-60)}
  .mile.done{background:var(--paper-2)}

  /* cta */
  .cta{text-align:center}
  .cta h2{font-size:clamp(30px,4.5vw,48px);max-width:16ch;margin:0 auto 16px}
  .cta .change{font-family:var(--mono);color:var(--ink-60);font-size:15px;line-height:2;margin-bottom:26px}
  .cta form{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;max-width:520px;margin:0 auto}
  .cta input{font-family:var(--mono);font-size:15px;padding:14px 16px;border:1.5px solid var(--ink);border-radius:9px;background:var(--white);flex:1;min-width:240px;min-height:48px}

  footer{background:var(--ink);color:#a9adb3;padding:44px 0;font-size:14px;border-top:none}
  footer .frow{display:flex;justify-content:space-between;flex-wrap:wrap;gap:20px;align-items:center}
  footer .brand{color:var(--paper)}
  footer .brand .tld{color:#b9a6e6}
  footer a{color:#a9adb3}footer a:hover{color:var(--paper)}
  footer .legal{font-family:var(--mono);font-size:12px;line-height:1.7}

  .illus{font-family:var(--mono);font-size:11px;color:var(--ink-60);margin-top:14px;font-style:normal}

  /* ---------- responsive ---------- */
  @media(max-width:900px){
    .hero-grid,.verify-grid{grid-template-columns:1fr;gap:36px}
    .routes,.cards{grid-template-columns:1fr 1fr}
    .devices,.markets{grid-template-columns:1fr}
    .road{grid-template-columns:1fr 1fr}
    .navlinks{display:none}
    .receipt-stage{order:-1}
  }
  @media(max-width:560px){
    body{font-size:16px}
    .cards{grid-template-columns:1fr}
    .road{grid-template-columns:1fr}
    section{padding:60px 0}
    .hero{padding:48px 0}
  }
  @media(prefers-reduced-motion:reduce){
    .anim .receipt .r-row{animation:none;opacity:1;transform:none}
    .anim .stamp{animation:none;opacity:.94}
    html{scroll-behavior:auto}
  }

/* ---------- shared page chrome extras ---------- */
.page-hero{padding:72px 0 40px;border-top:none}
.page-hero h1{font-size:clamp(34px,5vw,56px);margin-top:14px;max-width:18ch}
.page-hero .sub{font-size:18px;color:var(--ink-60);margin-top:16px;max-width:54ch}
.prose{max-width:72ch}
.prose h2{font-size:28px;margin:36px 0 12px}
.prose h3{font-family:var(--display);font-weight:700;font-size:20px;margin:28px 0 10px}
.prose p,.prose li{color:var(--ink);font-size:16.5px;margin-bottom:12px}
.prose ul{padding-left:1.2em;margin-bottom:16px}
.prose li{margin-bottom:8px}
.prose .note{font-family:var(--mono);font-size:13px;color:var(--ink-60);margin-top:24px}
.gate{max-width:420px;margin:28px 0;padding:22px;border:1px solid var(--line);border-radius:14px;background:var(--white)}
.gate label{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-60);display:block;margin-bottom:8px}
.gate input{width:100%;font-family:var(--mono);font-size:15px;padding:13px 14px;border:1.5px solid var(--line);border-radius:9px;background:var(--paper);min-height:44px;margin-bottom:12px}
.gate input:focus{border-color:var(--stamp);outline:none}
.gate .btn{width:100%;justify-content:center}
.navlinks a[aria-current="page"]{color:var(--ink);font-weight:600}