:root{
  --ink:#0B1220;
  --ink-soft:#5B6472;
  --paper:#F6F8FC;
  --paper-2:#EEF2F8;
  --card:#FFFFFF;
  --line:#E4E9F2;
  --brand-deep:#02559D;
  --brand-bright:#0260FF;
  --brand-glow:#EAF2FF;
  --green:#1E9E5A;
  --amber:#B7791F;
  --shadow-sm:0 1px 2px rgba(11,18,32,0.06);
  --shadow-md:0 16px 32px rgba(11,18,32,0.08);
  --shadow-lg:0 30px 64px rgba(11,18,32,0.14);
}
@media (prefers-color-scheme: dark){
  :root{
    --ink:#EDEFF5;
    --ink-soft:#9AA3B5;
    --paper:#0A0E17;
    --paper-2:#0E1420;
    --card:#121826;
    --line:#232B3D;
    --brand-glow:#132339;
    --shadow-sm:0 1px 2px rgba(0,0,0,0.3);
    --shadow-md:0 16px 32px rgba(0,0,0,0.35);
    --shadow-lg:0 30px 64px rgba(0,0,0,0.5);
  }
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:0.01ms !important; transition-duration:0.01ms !important;}
}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:'IBM Plex Sans', system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%; display:block;}
a{color:inherit;}
.wrap{max-width:1120px; margin:0 auto; padding:0 24px;}
::selection{background:var(--brand-bright); color:#fff;}

.skip-link{
  position:absolute; left:-9999px; top:0; z-index:100;
  background:var(--brand-bright); color:#fff; padding:12px 20px; border-radius:0 0 8px 0;
  font-weight:700; font-size:14px; text-decoration:none;
}
.skip-link:focus{left:0;}

h1,h2,h3{
  font-family:'Manrope', sans-serif;
  font-weight:800;
  letter-spacing:-0.02em;
  text-wrap:balance;
  margin:0;
}
.mono{font-family:'IBM Plex Mono', monospace;}
:focus-visible{outline:2px solid var(--brand-bright); outline-offset:3px; border-radius:4px;}

/* Nav */
.site-nav{
  position:sticky; top:0; z-index:50;
  background:color-mix(in srgb, var(--paper) 82%, transparent);
  backdrop-filter:blur(12px); -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease, box-shadow .25s ease;
}
.site-nav.scrolled{border-color:var(--line); box-shadow:0 4px 20px rgba(11,18,32,0.05);}
.site-nav .wrap{display:flex; align-items:center; justify-content:space-between; height:72px;}
.brand{display:flex; align-items:center; gap:10px; text-decoration:none;}
.brand img{width:28px; height:auto;}
.brand span{font-family:'Manrope', sans-serif; font-weight:800; font-size:18px; color:var(--ink);}
.brand span em{color:var(--brand-bright); font-style:normal;}
.nav-links{display:flex; align-items:center; gap:28px;}
.nav-links a:not(.btn){
  font-size:14px; font-weight:600; color:var(--ink-soft); text-decoration:none;
  position:relative; padding:4px 0;
}
.nav-links a:not(.btn)::after{
  content:""; position:absolute; left:0; right:100%; bottom:-2px; height:2px;
  background:var(--brand-bright); transition:right .2s ease;
}
.nav-links a:not(.btn):hover{color:var(--ink);}
.nav-links a:not(.btn):hover::after{right:0;}

.btn{
  display:inline-flex; align-items:center; gap:8px;
  background:linear-gradient(135deg,var(--brand-deep),var(--brand-bright));
  color:#fff !important; font-weight:700; font-size:14px;
  padding:11px 22px; border-radius:10px; text-decoration:none;
  box-shadow:0 10px 24px rgba(2,96,255,0.28);
  border:none; cursor:pointer; transition:transform .15s ease, box-shadow .15s ease;
}
.btn:hover{transform:translateY(-1px); box-shadow:0 14px 30px rgba(2,96,255,0.36);}
.btn:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex; align-items:center; gap:8px;
  background:transparent; color:var(--ink) !important; font-weight:700; font-size:14px;
  padding:11px 22px; border-radius:10px; text-decoration:none;
  border:1.5px solid var(--line); transition:border-color .15s ease, background .15s ease;
}
.btn-ghost:hover{border-color:var(--brand-bright); background:var(--brand-glow);}

.nav-toggle{
  display:none; background:none; border:1px solid var(--line); border-radius:8px;
  width:40px; height:40px; align-items:center; justify-content:center; cursor:pointer;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:""; display:block; width:18px; height:2px; background:var(--ink); position:relative;
  transition:transform .2s ease, opacity .2s ease;
}
.nav-toggle span::before{position:absolute; top:-6px;}
.nav-toggle span::after{position:absolute; top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg);}

.mobile-panel{
  display:none; border-bottom:1px solid var(--line); background:var(--paper);
  padding:8px 24px 20px; flex-direction:column; gap:4px;
}
.mobile-panel.open{display:flex;}
.mobile-panel a{
  padding:12px 4px; font-size:15px; font-weight:600; color:var(--ink); text-decoration:none;
  border-bottom:1px solid var(--line);
}
.mobile-panel a:last-child{border-bottom:none;}
.mobile-panel .btn{margin-top:10px; justify-content:center;}

/* Hero */
.hero{position:relative; padding:76px 0 72px; overflow:hidden;}
.hero::before{
  content:""; position:absolute; inset:0; z-index:0; pointer-events:none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(ellipse 60% 55% at 50% 20%, #000 0%, transparent 70%);
  mask-image:radial-gradient(ellipse 60% 55% at 50% 20%, #000 0%, transparent 70%);
  opacity:0.6;
}
.hero::after{
  content:""; position:absolute; top:-160px; right:-120px; width:520px; height:520px; z-index:0;
  background:radial-gradient(circle, rgba(2,96,255,0.16), transparent 70%);
  filter:blur(10px); pointer-events:none;
}
.hero .wrap{position:relative; z-index:1; display:grid; grid-template-columns:1.05fr 0.95fr; gap:56px; align-items:center;}
.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-family:'IBM Plex Mono', monospace; font-size:12px; font-weight:500;
  letter-spacing:0.1em; text-transform:uppercase; color:var(--brand-bright);
  margin:0 0 18px; padding:6px 12px 6px 10px; border-radius:20px;
  background:var(--brand-glow); border:1px solid color-mix(in srgb, var(--brand-bright) 20%, transparent);
}
.eyebrow .dot{width:6px; height:6px; border-radius:50%; background:var(--green);}
.hero h1{font-size:clamp(36px, 4.6vw, 54px); line-height:1.06; margin-bottom:20px;}
.hero p.lead{font-size:17.5px; line-height:1.7; color:var(--ink-soft); max-width:46ch; margin:0 0 32px;}
.hero-ctas{display:flex; align-items:center; gap:14px; flex-wrap:wrap; margin-bottom:22px;}
.hero-note{display:flex; align-items:center; gap:18px; flex-wrap:wrap; font-size:13px; color:var(--ink-soft);}
.hero-note li{list-style:none; display:flex; align-items:center; gap:6px;}
.hero-note ul{display:flex; gap:18px; flex-wrap:wrap; margin:0; padding:0;}
.hero-note .tick{color:var(--green); font-weight:800;}

/* Ledger card mockup */
.mock-stage{position:relative; padding:20px;}
.mock{
  position:relative; z-index:2;
  background:var(--card); border:1px solid var(--line); border-radius:20px; overflow:hidden;
  box-shadow:var(--shadow-lg); transform:rotate(1.4deg);
  transition:transform .4s ease;
}
.mock-stage:hover .mock{transform:rotate(0deg) translateY(-4px);}
.mock-shadow-card{
  position:absolute; z-index:1; inset:26px -10px -10px 26px;
  background:var(--card); border:1px solid var(--line); border-radius:20px;
  transform:rotate(-3deg); box-shadow:var(--shadow-md); opacity:0.7;
}
.mock-head{
  background:linear-gradient(135deg,var(--brand-deep),var(--brand-bright));
  padding:22px 22px 18px; color:#fff;
}
.mock-head .row{display:flex; align-items:center; gap:10px;}
.mock-head .badge{width:36px; height:36px; border-radius:10px; background:rgba(255,255,255,0.18); display:flex; align-items:center; justify-content:center; font-weight:800;}
.mock-head .name{font-weight:800; font-size:15px;}
.mock-head .sub{font-size:12px; opacity:0.85; margin-top:1px;}
.mock-body{padding:24px 22px;}
.mock-body .to{font-size:14px; color:var(--ink-soft); margin-bottom:14px;}
.mock-body .to strong{color:var(--brand-bright);}
.mock-amount-box{
  background:var(--brand-glow); border-radius:14px; padding:18px 20px; margin-bottom:16px;
}
.mock-amount-box .toprow{display:flex; align-items:center; justify-content:space-between;}
.mock-amount-box .label{font-size:11px; font-weight:700; letter-spacing:0.08em; text-transform:uppercase; color:var(--brand-deep); opacity:0.75;}
.mock-amount-box .due{font-size:10px; font-weight:800; letter-spacing:0.05em; color:#fff; background:#C0392B; padding:3px 8px; border-radius:20px;}
.mock-amount-box .num{font-family:'IBM Plex Mono', monospace; font-size:30px; font-weight:600; color:#C0392B; margin-top:6px;}
.mock-chip{
  display:inline-flex; align-items:center; gap:6px; font-size:12px; color:var(--ink-soft);
  background:var(--paper); border:1px solid var(--line); padding:6px 10px; border-radius:8px;
}
.float-badge{
  position:absolute; z-index:3; display:flex; align-items:center; gap:8px;
  background:var(--card); border:1px solid var(--line); border-radius:12px;
  padding:10px 14px; box-shadow:var(--shadow-md); font-size:12.5px; font-weight:700;
  animation:float 5s ease-in-out infinite;
}
.float-badge.b1{bottom:14px; left:-18px;}
.float-badge.b2{top:36px; right:-14px; animation-delay:1.4s;}
.float-badge .ico{width:22px; height:22px; border-radius:50%; background:#DFF5E7; color:var(--green); display:flex; align-items:center; justify-content:center; font-size:13px;}
@keyframes float{
  0%,100%{transform:translateY(0);}
  50%{transform:translateY(-8px);}
}
@media (prefers-reduced-motion: reduce){
  .float-badge{animation:none;}
}

/* Section shells */
section{position:relative;}
.section-head{max-width:56ch; margin:0 auto 48px; text-align:center;}
.section-head .eyebrow{margin-left:auto; margin-right:auto;}
.section-head h2{font-size:clamp(26px,3vw,36px); margin-bottom:12px;}
.section-head p{color:var(--ink-soft); font-size:15.5px; line-height:1.7; margin:0;}

/* Features */
.features{padding:96px 0;}
.feature-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:20px;}
.feature{
  background:var(--card); border:1px solid var(--line); border-radius:16px; padding:26px 22px;
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.feature:hover{transform:translateY(-4px); box-shadow:var(--shadow-md); border-color:color-mix(in srgb, var(--brand-bright) 25%, var(--line));}
.feature .icon{
  width:42px; height:42px; border-radius:11px; background:var(--brand-glow);
  display:flex; align-items:center; justify-content:center; margin-bottom:16px;
  color:var(--brand-bright); font-weight:800; font-size:17px;
}
.feature h3{font-size:15.5px; margin-bottom:8px;}
.feature p{font-size:13.5px; line-height:1.65; color:var(--ink-soft); margin:0;}

/* How it works */
.how{padding:96px 0; background:var(--paper-2); border-top:1px solid var(--line); border-bottom:1px solid var(--line);}
.how-steps{
  display:grid; grid-template-columns:repeat(3,1fr); gap:0; counter-reset:step;
  position:relative;
}
.how-steps::before{
  content:""; position:absolute; top:23px; left:calc(100%/6); right:calc(100%/6); height:1px;
  background:repeating-linear-gradient(90deg, var(--line) 0 8px, transparent 8px 16px);
  z-index:0;
}
.how-step{position:relative; z-index:1; padding:0 28px; text-align:left;}
.how-step .num{
  width:46px; height:46px; border-radius:50%; background:var(--card); border:1.5px solid var(--brand-bright);
  color:var(--brand-bright); font-family:'IBM Plex Mono', monospace; font-weight:600; font-size:16px;
  display:flex; align-items:center; justify-content:center; margin-bottom:20px;
}
.how-step h3{font-size:16.5px; margin-bottom:8px;}
.how-step p{font-size:14px; line-height:1.7; color:var(--ink-soft); margin:0;}

/* FAQ */
.faq{padding:96px 0;}
.faq-list{max-width:64ch; margin:0 auto; display:flex; flex-direction:column; gap:10px;}
.faq-item{background:var(--card); border:1px solid var(--line); border-radius:14px; overflow:hidden;}
.faq-item summary{
  list-style:none; cursor:pointer; padding:18px 22px; font-weight:700; font-size:14.5px;
  display:flex; align-items:center; justify-content:space-between; gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+"; font-size:20px; font-weight:400; color:var(--brand-bright); flex-shrink:0;
  transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item .a{padding:0 22px 20px; font-size:14px; line-height:1.75; color:var(--ink-soft); margin:0;}

/* CTA band */
.cta-band{padding:80px 0;}
.cta-card{
  max-width:1120px; margin:0 auto; border-radius:24px; padding:56px 40px; text-align:center;
  background:linear-gradient(135deg,var(--brand-deep),var(--brand-bright));
  position:relative; overflow:hidden; box-shadow:var(--shadow-lg);
}
.cta-card::before{
  content:""; position:absolute; inset:0;
  background-image:radial-gradient(rgba(255,255,255,0.12) 1px, transparent 1px);
  background-size:22px 22px; opacity:0.5;
}
.cta-card > *{position:relative; z-index:1;}
.cta-card h2{color:#fff; font-size:clamp(24px,3vw,32px); margin-bottom:12px;}
.cta-card p{color:rgba(255,255,255,0.85); font-size:15.5px; margin:0 0 28px;}
.cta-card .btn{background:#fff; color:var(--brand-deep) !important; box-shadow:0 14px 30px rgba(0,0,0,0.18);}
.cta-card .btn:hover{box-shadow:0 18px 36px rgba(0,0,0,0.24);}

/* Footer */
footer{border-top:1px solid var(--line); padding:44px 0 32px;}
footer .foot-top{display:flex; align-items:flex-start; justify-content:space-between; flex-wrap:wrap; gap:24px; margin-bottom:28px;}
footer .brand span{font-size:15px;}
footer .foot-tag{font-size:13px; color:var(--ink-soft); margin-top:8px; max-width:32ch; line-height:1.6;}
.foot-links{display:flex; gap:24px; flex-wrap:wrap;}
.foot-links a{font-size:13.5px; color:var(--ink-soft); text-decoration:none; font-weight:600;}
.foot-links a:hover{color:var(--ink);}
.foot-bottom{
  display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:12px;
  padding-top:24px; border-top:1px solid var(--line);
}
.foot-copy{font-size:12.5px; color:var(--ink-soft); opacity:0.85;}
.foot-made{font-size:12.5px; color:var(--ink-soft); opacity:0.85;}

/* Reveal-on-scroll */
.reveal{opacity:0; transform:translateY(16px); transition:opacity .5s ease, transform .5s ease;}
.reveal.in{opacity:1; transform:translateY(0);}

@media (max-width:900px){
  .hero .wrap{grid-template-columns:1fr; gap:44px;}
  .mock-stage{max-width:440px; margin:0 auto;}
  .feature-grid{grid-template-columns:1fr 1fr;}
  .how-steps{grid-template-columns:1fr; gap:36px;}
  .how-steps::before{display:none;}
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
}
@media (max-width:560px){
  .feature-grid{grid-template-columns:1fr;}
  .cta-card{padding:44px 24px;}
  .float-badge{display:none;}
}

/* Privacy policy document */
.doc{padding:64px 0 96px;}
.doc-head{max-width:64ch; margin:0 auto 48px;}
.doc-head .eyebrow{margin-bottom:14px;}
.doc-head h1{font-size:clamp(28px,3.4vw,38px); margin-bottom:14px;}
.doc-head p{font-size:15.5px; line-height:1.75; color:var(--ink-soft); margin:0;}
.doc-body{max-width:64ch; margin:0 auto;}
.doc-section{padding:28px 0; border-top:1px solid var(--line); display:grid; grid-template-columns:200px 1fr; gap:28px;}
.doc-section:first-child{border-top:none;}
.doc-section .tag{
  font-family:'IBM Plex Mono', monospace; font-size:11px; font-weight:500; letter-spacing:0.08em;
  text-transform:uppercase; color:var(--brand-bright); padding-top:2px;
}
.doc-section p{font-size:15px; line-height:1.75; color:var(--ink-soft); margin:0; white-space:pre-line;}
.doc-updated{margin-top:40px; font-size:13px; color:var(--ink-soft); opacity:0.7;}
@media (max-width:640px){
  .doc-section{grid-template-columns:1fr; gap:10px;}
}