:root{
    --bg:#0A1524; --bg-2:#0C1A2C; --surface:#101F31; --surface-2:#13273C;
    --ink:#EAF1F8; --ink-soft:#AEC2D5; --ink-faint:#93AAC2; --ink-strong:#C3D5E6; --brand-ink:#00C9FF; --line:#20344B;
    --brand:#00C9FF; --brand-mid:#009EFF; --brand-deep:#0068C6;
    --brand-wash:rgba(0,201,255,.13);
    --green:#49C08A;
    --shadow:0 2px 8px rgba(0,0,0,.35), 0 24px 60px rgba(0,0,0,.45);
    --font:-apple-system,system-ui,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
    --mono:ui-monospace,"SF Mono","JetBrains Mono",Menlo,Consolas,monospace;
    --maxw:1080px; --r:16px;
  }
  @media (prefers-color-scheme:light){
    :root{
      --bg:#EDF3FA; --bg-2:#E6EEF7; --surface:#FFFFFF; --surface-2:#F3F8FD;
      --ink:#0A1B2E; --ink-soft:#48607A; --ink-faint:#566A80; --ink-strong:#2A4159; --brand-ink:#00518F; --line:#D8E4F0;
      --brand:#0068C6; --brand-mid:#009EFF; --brand-deep:#004E97;
      --brand-wash:rgba(0,104,198,.09);
      --green:#2C8F63;
      --shadow:0 1px 3px rgba(10,27,46,.08), 0 18px 44px rgba(10,27,46,.10);
    }
  }
  :root[data-theme="dark"]{
    --bg:#0A1524; --bg-2:#0C1A2C; --surface:#101F31; --surface-2:#13273C;
    --ink:#EAF1F8; --ink-soft:#AEC2D5; --ink-faint:#93AAC2; --ink-strong:#C3D5E6; --brand-ink:#00C9FF; --line:#20344B;
    --brand:#00C9FF; --brand-mid:#009EFF; --brand-deep:#0068C6;
    --brand-wash:rgba(0,201,255,.13);
    --green:#49C08A;
    --shadow:0 2px 8px rgba(0,0,0,.35), 0 24px 60px rgba(0,0,0,.45);
  }
  :root[data-theme="light"]{
    --bg:#EDF3FA; --bg-2:#E6EEF7; --surface:#FFFFFF; --surface-2:#F3F8FD;
    --ink:#0A1B2E; --ink-soft:#48607A; --ink-faint:#566A80; --ink-strong:#2A4159; --brand-ink:#00518F; --line:#D8E4F0;
    --brand:#0068C6; --brand-mid:#009EFF; --brand-deep:#004E97;
    --brand-wash:rgba(0,104,198,.09);
    --green:#2C8F63;
    --shadow:0 1px 3px rgba(10,27,46,.08), 0 18px 44px rgba(10,27,46,.10);
  }
  *{box-sizing:border-box;}
  body{margin:0;background:
      radial-gradient(1200px 600px at 78% -8%, var(--brand-wash), transparent 60%),
      linear-gradient(180deg,var(--bg),var(--bg-2));
    color:var(--ink);font-family:var(--font);line-height:1.6;-webkit-font-smoothing:antialiased;}
  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 clamp(1rem,4vw,2rem);}
  a{color:inherit;}
  .btn{display:inline-flex;align-items:center;gap:.5rem;font-weight:700;
    border-radius:999px;padding:.85rem 1.5rem;text-decoration:none;font-size:1rem;
    border:1px solid transparent;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease;}
  .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-deep));color:#fff;
    box-shadow:0 8px 24px rgba(0,158,255,.28);}
  .btn-ghost{background:transparent;border-color:var(--line);color:var(--ink);}
  @media (prefers-reduced-motion:no-preference){.btn:hover{transform:translateY(-2px);}}

  .logo{width:26px;height:auto;display:block;}

  /* Nav */
  nav{display:flex;align-items:center;justify-content:space-between;padding:1.1rem 0;}
  .brand{display:flex;align-items:center;gap:.55rem;font-weight:800;font-size:1.15rem;letter-spacing:-.01em;}
  .brand .logo{width:30px;}
  nav .btn{padding:.6rem 1.2rem;font-size:.92rem;}

  /* Hero */
  .hero{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(1.5rem,4vw,3rem);
    align-items:center;padding:clamp(2rem,6vw,4.5rem) 0 clamp(2rem,5vw,3.5rem);}
  @media (max-width:860px){.hero{grid-template-columns:1fr;}}
  .eyebrow{font-family:var(--mono);font-size:.9rem;font-weight:700;letter-spacing:.12em;
    text-transform:uppercase;color:var(--brand-ink);margin:0 0 1rem;display:flex;align-items:center;gap:.5rem;}
  .eyebrow::before{content:"";width:26px;height:1px;background:var(--brand);display:inline-block;}
  h1{font-size:clamp(2.3rem,6vw,3.7rem);line-height:1.04;letter-spacing:-.025em;
    margin:0 0 1.1rem;font-weight:850;text-wrap:balance;}
  h1 .hl{color:var(--brand);}
  .sub{font-size:clamp(1.05rem,2.4vw,1.28rem);color:var(--ink-soft);max-width:38ch;margin:0 0 1.8rem;}
  .cta-row{display:flex;flex-wrap:wrap;gap:.8rem;align-items:center;}
  .trust-line{margin-top:1.2rem;font-family:var(--mono);font-size:.95rem;color:var(--ink-soft);letter-spacing:.02em;}

  /* Hero mockup — the "just ask" moment */
  .mock{background:var(--surface);border:1px solid var(--line);border-radius:20px;
    box-shadow:var(--shadow);padding:1.1rem;position:relative;overflow:hidden;}
  .mock::before{content:"";position:absolute;inset:0;background:
      radial-gradient(400px 200px at 100% 0,var(--brand-wash),transparent 70%);pointer-events:none;}
  .mock-bar{display:flex;align-items:center;gap:.6rem;background:var(--surface-2);
    border:1px solid var(--line);border-radius:12px;padding:.7rem .9rem;}
  .mock-bar .chip{font-family:var(--mono);font-size:.78rem;color:var(--brand);}
  .mock-bar .q{font-family:var(--mono);font-size:.88rem;color:var(--ink);}
  .mock-bar .cursor{width:8px;height:1.05em;background:var(--brand);display:inline-block;
    border-radius:1px;animation:blink 1.1s steps(1) infinite;vertical-align:-2px;}
  @keyframes blink{50%{opacity:0;}}
  @media (prefers-reduced-motion:reduce){.mock-bar .cursor{animation:none;}}
  .mock-reply{font-family:var(--mono);font-size:.82rem;color:var(--ink-faint);margin:.75rem .2rem .55rem;}
  .pcard{background:var(--surface-2);border:1px solid var(--line);border-radius:12px;
    padding:.75rem .85rem;margin-top:.55rem;display:grid;grid-template-columns:auto 1fr auto;
    gap:.35rem .7rem;align-items:center;}
  .pcard .num{font-family:var(--mono);font-weight:700;color:var(--brand-mid);font-size:.95rem;}
  .pcard .route{font-size:.85rem;color:var(--ink);font-weight:600;}
  .pcard .meta{grid-column:2;font-family:var(--mono);font-size:.8rem;color:var(--ink-soft);}
  .pcard .pay{font-family:var(--mono);font-weight:700;color:var(--brand);font-size:.95rem;text-align:right;}
  .pcard .ok{grid-column:3;font-size:.76rem;color:var(--green);font-family:var(--mono);text-align:right;}
  .badge-legal{display:inline-flex;align-items:center;gap:.3rem;}

  /* Section scaffolding */
  section{padding:clamp(2.5rem,6vw,4rem) 0;}
  .sec-label{font-family:var(--mono);font-size:.95rem;font-weight:700;letter-spacing:.1em;
    text-transform:uppercase;color:var(--ink-strong);margin:0 0 .7rem;text-align:center;}
  h2{font-size:clamp(1.6rem,4vw,2.3rem);line-height:1.1;letter-spacing:-.02em;
    margin:0 auto 1rem;text-align:center;text-wrap:balance;max-width:18ch;font-weight:800;}
  .sec-sub{color:var(--ink-soft);text-align:center;max-width:52ch;margin:0 auto 2.4rem;}

  /* Problem band */
  .band{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
    padding:clamp(1.5rem,4vw,2.5rem);text-align:center;box-shadow:var(--shadow);}
  .band h2{margin-bottom:.6rem;}
  .band p{color:var(--ink-soft);max-width:56ch;margin:0 auto;font-size:1.05rem;}

  /* Steps */
  .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;}
  @media (max-width:760px){.steps{grid-template-columns:1fr;}}
  .step{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
    padding:1.4rem;box-shadow:var(--shadow);}
  .step .n{font-family:var(--mono);font-size:.8rem;color:var(--brand);font-weight:700;
    border:1px solid var(--brand);border-radius:8px;width:2rem;height:2rem;display:grid;place-items:center;margin-bottom:.9rem;}
  .step h3{margin:0 0 .35rem;font-size:1.1rem;}
  .step p{margin:0;color:var(--ink-soft);font-size:.97rem;}

  /* Benefits */
  .benes{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;}
  @media (max-width:680px){.benes{grid-template-columns:1fr;}}
  .bene{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
    padding:1.3rem;display:flex;gap:1rem;align-items:flex-start;box-shadow:var(--shadow);}
  .bene .ic{width:40px;height:40px;flex:none;border-radius:10px;display:grid;place-items:center;
    background:var(--brand-wash);color:var(--brand);font-size:1.2rem;}
  .bene h3{margin:0 0 .3rem;font-size:1.05rem;}
  .bene p{margin:0;color:var(--ink-soft);font-size:.97rem;}

  /* Trust band */
  .trust{display:flex;flex-wrap:wrap;justify-content:center;gap:.8rem 2rem;
    background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r);
    padding:1.2rem 1.5rem;}
  .trust span{font-size:.95rem;color:var(--ink-soft);display:flex;align-items:center;gap:.5rem;}
  .trust b{color:var(--ink);}
  .trust .dot{color:var(--brand);}

  /* Final CTA */
  .final{text-align:center;background:
      radial-gradient(700px 300px at 50% 0,var(--brand-wash),transparent 70%),var(--surface);
    border:1px solid var(--line);border-radius:20px;padding:clamp(2rem,6vw,3.5rem);box-shadow:var(--shadow);}
  .final h2{max-width:20ch;}
  .final .cta-row{justify-content:center;}

  footer{padding:2.5rem 0 3rem;color:var(--ink-soft);font-size:.92rem;text-align:center;}
  footer .brand{justify-content:center;margin-bottom:.6rem;font-size:1rem;}
  .disclaimer{font-size:.82rem;color:var(--ink-soft);max-width:60ch;margin:1rem auto 0;line-height:1.5;}

[hidden]{display:none !important;}
.mono{font-family:var(--mono);}
a.brand{text-decoration:none;}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--shadow);padding:clamp(1.4rem,4vw,2.2rem);
  max-width:34rem;margin:clamp(1.2rem,4vw,2.5rem) auto;}
.panel h1{font-size:clamp(1.7rem,4vw,2.2rem);line-height:1.15;letter-spacing:-.02em;
  margin:0 0 .5rem;text-align:left;max-width:none;font-weight:800;}
.panel .lede{color:var(--ink-soft);margin:0 0 1rem;}
label{display:block;font-weight:700;font-size:.95rem;margin:1rem 0 .35rem;}
input{width:100%;font:inherit;font-size:1rem;color:var(--ink);background:var(--surface-2);
  border:1px solid var(--line);border-radius:12px;padding:.75rem .9rem;}
input:focus{outline:2px solid var(--brand);outline-offset:1px;}
.msg{margin-top:1rem;padding:.85rem 1rem;border-radius:12px;background:var(--surface-2);
  border:1px solid var(--line);color:var(--ink);}
.msg[hidden]{display:none;}
.actions{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:1.2rem;}
button.btn{font-family:inherit;cursor:pointer;}
dl.facts{display:grid;grid-template-columns:9.5rem 1fr;gap:.45rem .75rem;margin:1rem 0 0;}
dl.facts dt{color:var(--ink-soft);font-family:var(--mono);font-size:.82rem;margin:0;}
dl.facts dd{margin:0;overflow-wrap:anywhere;}
.tag{display:inline-block;margin-top:.8rem;font-family:var(--mono);font-size:.82rem;
  letter-spacing:.06em;text-transform:uppercase;color:var(--brand-ink);}
.fine{margin-top:1rem;color:var(--ink-soft);font-size:.92rem;}
.auth-foot{padding:0 0 2.5rem;text-align:center;color:var(--ink-soft);font-size:.9rem;}
@media (max-width:520px){
  dl.facts{grid-template-columns:1fr;}
}