:root{
    --brand:#712CDF; --deep:#5D1DC2; --lilac:#AA8CF5; --pale:#E2D4F8;
    --ink:#20202A; --muted:#6E6E7C; --surface:#F3F3F6; --line:#E4E4EA; --white:#FFFFFF;
    --font:"Avenir Next","Avenir","Helvetica Neue",Helvetica,Arial,sans-serif;
    --mono:Menlo,"SF Mono",Consolas,"Liberation Mono",monospace;
    --max:1160px; --gutter:clamp(16px,4vw,48px);
  }
  *{box-sizing:border-box}
  html,body{margin:0;background:var(--white);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}
  a{color:inherit}
  h1,h2,h3{margin:0;font-weight:600;line-height:1.1;letter-spacing:-.015em;text-wrap:balance}
  p{margin:0}
  button{font:inherit}
  .wrap{max-width:var(--max);margin:0 auto;padding-inline:var(--gutter)}
  .mono{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase}
  .muted{color:var(--muted)}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px}

  /* nav */
  .nav{border-bottom:1px solid var(--line);background:var(--white);position:sticky;top:0;z-index:20}
  .nav .wrap{display:flex;align-items:center;gap:28px;height:64px}
  .wordmark{display:flex;align-items:center;gap:10px;text-decoration:none;font-size:20px;font-weight:600;letter-spacing:-.01em}
  .wordmark img{width:28px;height:28px}
  .wordmark em{font-style:normal}.wordmark span{font-weight:400;color:var(--muted)}
  .nav .links{display:flex;gap:24px;margin-left:16px}
  .nav .links a{text-decoration:none;font-size:15px;color:var(--ink);padding:4px 0;border-bottom:2px solid transparent}
  .nav .links a.on{border-bottom-color:var(--brand)}
  .nav .cta{margin-left:auto;display:flex;gap:10px;align-items:center}
  .btn{display:inline-flex;align-items:center;gap:10px;padding:14px 24px;text-decoration:none;font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;line-height:1;background:none}
  .btn.ink{background:var(--ink);color:var(--white)}
  .btn.white{background:var(--white);color:var(--ink)}
  .btn.outline{background:transparent;color:var(--ink);border-color:var(--ink)}
  .btn.outline-w{background:transparent;color:var(--white);border-color:rgba(255,255,255,.7)}
  .btn.sm{padding:10px 16px;font-size:14px}
  .btn .arr{font-family:var(--mono)}
  .lang{display:inline-flex;border:1px solid var(--line);font-family:var(--mono);font-size:11px;letter-spacing:.08em}
  .lang a{display:inline-block;padding:9px 10px;color:var(--muted);text-decoration:none;font-family:inherit;font-size:inherit;letter-spacing:inherit}
  .lang a.on{background:var(--ink);color:var(--white)}
  .toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--ink);color:var(--white);padding:12px 18px;font-size:14px;z-index:40;max-width:calc(100% - 32px)}
  @media (max-width:820px){.nav .links{display:none}}

  /* purple field with blobs */
  .field{position:relative;background:var(--brand);color:var(--white);overflow:hidden;isolation:isolate}
  .field .blob{position:absolute;border-radius:50%;background:var(--lilac);filter:blur(42px);opacity:.85;z-index:-1;pointer-events:none}
  @media (max-width:820px){.vizspace{min-height:240px}}
  .field .b1{width:520px;height:300px;left:-140px;top:-120px}
  .field .b2{width:260px;height:180px;left:360px;top:-60px;opacity:.7}
  .field .b3{width:340px;height:220px;right:-80px;bottom:-90px}
  .field .b4{width:220px;height:220px;left:14%;bottom:-140px;opacity:.6}

  /* hero */
  .hero .wrap{padding-block:56px 48px;display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:40px;align-items:center}
  .hero .eyebrow{color:var(--pale);margin-bottom:22px;display:flex;align-items:center;gap:12px}
  .hero .eyebrow::before{content:"";width:28px;height:1px;background:var(--pale)}
  .hero h1{font-size:clamp(38px,5.4vw,64px);color:var(--white);max-width:14ch}
  .hero .lede{margin-top:20px;font-size:17px;max-width:58ch;color:rgba(255,255,255,.9)}
  .hero .lede b{color:var(--white);font-weight:600}
  .hero .actions{margin-top:28px;display:flex;gap:12px;flex-wrap:wrap}
  .hero .wrap{position:relative;z-index:1}
  .heroviz{position:absolute;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
  .vizspace{min-height:0}
  .hero .sep{margin-top:30px;padding-top:20px;border-top:1px solid rgba(255,255,255,.5);font-size:17px;line-height:1.45;color:var(--white);max-width:62ch}
  .hero .sep b{font-weight:600}
  @media (max-width:820px){.hero .wrap{grid-template-columns:1fr;padding-block:56px 48px}}

  /* sections */
  section.block{padding-block:80px}
  section.block.tight{padding-block:56px}
  section.grey{background:var(--surface)}
  .kicker{color:var(--brand);margin-bottom:14px;display:block}
  .h2{font-size:clamp(28px,3.4vw,40px);max-width:22ch}
  .intro{margin-top:16px;font-size:17px;color:var(--muted);max-width:60ch}

  /* flow (the screen after the hero) */
  .flow{display:grid;grid-template-columns:minmax(0,3fr) 28px minmax(0,3fr) 28px minmax(0,2.4fr) 28px minmax(0,2.6fr);gap:0;margin-top:44px;align-items:stretch}
  .flow .node{border:1px solid var(--line);background:var(--white);padding:20px}
  .flow .node .mono{color:var(--brand);display:block;margin-bottom:10px}
  .flow .node h3{font-size:17px}
  .flow .node ul{list-style:none;padding:0;margin:12px 0 0;display:grid;gap:6px;font-size:14px;color:var(--muted)}
  .flow .node ul li{display:flex;gap:8px;align-items:baseline}
  .flow .node ul li::before{content:"";width:6px;height:6px;background:var(--brand);flex:none;transform:translateY(-1px)}
  .flow .node ul li.soon::before{background:var(--pale)}
  .flow .node ul li.soon{color:#9A9AA6}
  .flow .arrow{display:grid;place-items:center;color:var(--brand);font-family:var(--mono);font-size:16px}
  .flow .node.split{padding:0;display:grid;grid-template-rows:auto 1fr}
  .flow .node.split .id{padding:16px 20px;background:var(--surface);border-bottom:1px dashed var(--brand)}
  .flow .node.split .id .mono{color:var(--muted);margin-bottom:4px}
  .flow .node.split .id b{font-size:14px;display:block}
  .flow .node.split .id small{color:var(--muted);font-size:12px}
  .flow .node.split .rec{padding:16px 20px}
  @media (max-width:980px){.flow{grid-template-columns:1fr}.flow .arrow{height:28px;transform:rotate(90deg)}}

  .flownote{margin-top:26px;padding:20px 24px;background:var(--surface);border-left:2px solid var(--brand);font-size:15px;max-width:none}
  .flownote b{font-weight:600}
  .flow .node .note2{margin-top:12px;font-size:13px;color:var(--muted)}
  .cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);margin-top:40px}
  .card{background:var(--white);padding:32px;display:flex;flex-direction:column;gap:14px}
  .card .mono{color:var(--muted)}
  .card h3{font-size:24px}
  .card p{color:var(--muted)}
  .card .also{margin-top:6px;padding:16px;background:var(--surface);font-size:14px;color:var(--ink)}
  .card .also .mono{display:block;margin-bottom:6px}
  .card a.more{color:var(--brand);text-decoration:none;font-weight:600;font-size:15px;margin-top:auto;padding-top:8px}
  .card a.more:hover{text-decoration:underline}
  @media (max-width:820px){.cards{grid-template-columns:1fr}}

  /* two-up: passive + dialogue */
  .twoup{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:48px;margin-top:44px}
  .twoup h3{font-size:24px}
  .twoup .mono{color:var(--brand);display:block;margin-bottom:10px}
  .twoup p{color:var(--muted);margin-top:14px}
  .twoup .ex{margin-top:20px;border-top:1px solid var(--line)}
  .twoup .ex div{padding:12px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:auto 1fr;gap:14px;font-size:15px}
  .twoup .ex .who{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);padding-top:4px;min-width:64px}
  .twoup .ex .who.o{color:var(--brand)}
  @media (max-width:820px){.twoup{grid-template-columns:1fr}}

  /* learn section with dashboard mock */
  .learn{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,4fr);gap:56px;align-items:start}
  .learn ul{list-style:none;padding:0;margin:28px 0 0;display:grid;gap:0;border-top:1px solid var(--line)}
  .learn li{padding:18px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:150px 1fr;gap:16px}
  .learn li .mono{color:var(--brand);padding-top:4px}
  .learn li p{color:var(--muted);font-size:15px}
  .learn li b{display:block;color:var(--ink);font-weight:600;margin-bottom:2px}
  .learn li.soon .mono{color:#9A9AA6}
  .learn li.soon b{color:var(--muted)}
  .learn li.soon p{color:#9A9AA6}
  @media (max-width:820px){.learn{grid-template-columns:1fr}.learn li{grid-template-columns:1fr;gap:6px}}

  .phone{position:relative;width:min(248px,100%);margin-inline:auto;padding:8px;background:var(--ink);border-radius:36px;box-shadow:0 40px 70px -35px rgba(32,32,42,.7)}
  .phone::after{content:"";position:absolute;top:18px;left:50%;transform:translateX(-50%);width:70px;height:4px;border-radius:3px;background:rgba(255,255,255,.35)}
  .phone img{display:block;width:100%;height:auto;aspect-ratio:390/844;object-fit:cover;object-position:top;border-radius:28px}
  .phone .cap{position:absolute;left:0;right:0;bottom:-34px;text-align:center;font-family:var(--mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
  .phonewrap{padding-bottom:34px;margin-top:52px}
  .dash{background:var(--brand);color:var(--white);padding:26px 22px 22px;position:relative;box-shadow:0 30px 60px -30px rgba(113,44,223,.6)}
  .dash .tag{position:absolute;top:-12px;left:22px;background:var(--ink);color:var(--white);padding:4px 8px}
  .dash .row{display:grid;grid-template-columns:1fr 1fr;gap:22px}
  .dash .score{padding-bottom:12px}
  .dash .score .lab{display:flex;justify-content:space-between;align-items:baseline}
  .dash .score .val{font-size:30px;font-weight:600;font-variant-numeric:tabular-nums}
  .dash .score .val small{font-size:12px;color:var(--pale);margin-left:2px;font-family:var(--mono)}
  .dash .ticks{height:14px;margin-top:8px;background:repeating-linear-gradient(90deg,var(--white) 0 5px,transparent 5px 9px) left/var(--w) 100% no-repeat,repeating-linear-gradient(90deg,rgba(255,255,255,.35) 0 5px,transparent 5px 9px)}
  .dash .full{margin-top:8px}
  .dash .ask{margin-top:18px;background:var(--surface);color:var(--ink);padding:16px}
  .dash .ask b{display:block;font-size:16px}
  .dash .ask p{color:var(--muted);font-size:13px;margin-top:4px}
  .dash .ask .in{margin-top:10px;display:flex;border:1px solid var(--line);background:var(--white)}
  .dash .ask .in span{flex:1;padding:10px 12px;color:var(--muted);font-size:14px}
  .dash .ask .in i{width:40px;background:var(--brand);display:grid;place-items:center;color:var(--white);font-style:normal;font-family:var(--mono);font-size:12px}
  .dash .wave{margin-top:14px;display:flex;align-items:end;gap:3px;height:36px}
  .dash .wave i{flex:1;background:var(--white);opacity:.85}

  /* inputs list */
  .inputs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 48px;margin-top:36px;border-top:1px solid var(--line)}
  .inputs div{display:grid;grid-template-columns:150px 1fr auto;gap:16px;padding:18px 0;border-bottom:1px solid var(--line);align-items:start}
  .inputs .mono{color:var(--ink);padding-top:4px}
  .inputs p{color:var(--muted);font-size:15px}
  .inputs .st{font-family:var(--mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase;padding:4px 8px;border:1px solid var(--ink);white-space:nowrap}
  .inputs .st.soon{border-color:var(--line);color:var(--muted)}
  @media (max-width:820px){.inputs{grid-template-columns:1fr}.inputs div{grid-template-columns:1fr auto;gap:6px 12px}.inputs p{grid-column:1/-1}}

  /* security */
  .sec3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);margin-top:40px}
  .sec3 > div{background:var(--white);padding:28px}
  .sec3 h3{font-size:19px;margin-top:10px}
  .sec3 p{color:var(--muted);margin-top:10px;font-size:15px}
  .sec3 .mono{color:var(--brand)}
  @media (max-width:820px){.sec3{grid-template-columns:1fr}}

  /* ink band */
  .band{background:var(--ink);color:var(--white)}
  .band .wrap{padding-block:64px;display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:40px;align-items:center}
  .band h2{font-size:clamp(28px,3.2vw,38px)}
  .band p{color:#B5B5C2;margin-top:14px;font-size:17px;max-width:52ch}
  .band .mono{color:var(--lilac);display:block;margin-bottom:14px}
  .band .go{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}
  @media (max-width:820px){.band .wrap{grid-template-columns:1fr}.band .go{justify-content:flex-start}}

  /* footer */
  footer{border-top:1px solid var(--line)}
  footer .wrap{padding-block:40px;display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px}
  footer .ent{color:var(--muted);font-size:13px;line-height:1.7}
  footer .col{display:grid;gap:10px;align-content:start}
  footer .col a{text-decoration:none;color:var(--ink)}
  footer .col a:hover{color:var(--brand)}
  footer .legal{color:var(--muted);font-size:12px;padding-block:18px;border-top:1px solid var(--line)}
  @media (max-width:820px){footer .wrap{grid-template-columns:1fr}}

  /* sub-page hero (white) */
  .sub .wrap{padding-block:72px 56px;display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:48px;align-items:end}
  .sub h1{font-size:clamp(34px,4.6vw,56px);max-width:16ch}
  .sub .lede{margin-top:20px;font-size:18px;color:var(--muted);max-width:56ch}
  .sub .side{border-left:2px solid var(--brand);padding-left:22px;color:var(--muted);font-size:15px}
  .sub .side b{display:block;color:var(--ink);margin-bottom:6px}
  @media (max-width:820px){.sub .wrap{grid-template-columns:1fr;padding-block:48px 40px}}

  .feat{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);margin-top:40px}
  .feat > div{background:var(--white);padding:28px}
  .feat h3{font-size:19px;margin-top:10px}
  .feat p{color:var(--muted);margin-top:10px;font-size:15px}
  .feat .mono{color:var(--brand)}
  @media (max-width:820px){.feat{grid-template-columns:1fr}}

  .quote{margin-top:40px;padding:28px;background:var(--surface);display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}
  .quote p{font-size:18px;max-width:60ch}
  @media (max-width:820px){.quote{grid-template-columns:1fr}}

  /* platform page */
  .plat{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);margin-top:40px}
  .plat > div{background:var(--white);padding:26px;min-height:220px}
  .plat h3{font-size:18px;margin-top:10px}
  .plat p{color:var(--muted);margin-top:10px;font-size:15px}
  .plat .mono{color:var(--muted)}
  @media (max-width:820px){.plat{grid-template-columns:1fr}}

  /* app chooser */
  .chooser{min-height:calc(100vh - 110px);display:grid;place-items:center;padding-block:64px}
  .chooser .inner{width:min(880px,100%);text-align:center;display:grid;justify-items:center;padding-inline:var(--gutter)}
  .chooser img{width:84px;height:84px}
  .chooser .wm{font-size:34px;font-weight:600;margin-top:18px;letter-spacing:-.01em}
  .chooser .wm span{font-weight:400;color:var(--pale)}
  .chooser h1{font-size:clamp(26px,3.6vw,38px);margin-top:36px;color:var(--white)}
  .chooser .lede{margin-top:12px;color:rgba(255,255,255,.85);max-width:52ch;font-size:17px}
  .choices{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:40px;width:100%;text-align:left}
  .choice{background:var(--white);color:var(--ink);padding:28px;display:flex;flex-direction:column;gap:12px;min-height:250px}
  .choice .mono{color:var(--muted)}
  .choice h2{font-size:24px}
  .choice p{color:var(--muted);font-size:15px;flex:1}
  .badges{display:flex;gap:10px;flex-wrap:wrap}
  .badge{display:inline-flex;align-items:center;gap:8px;background:var(--ink);color:var(--white);padding:8px 12px;text-decoration:none;line-height:1.05;min-width:136px}
  .badge small{display:block;font-size:9px;letter-spacing:.04em;text-transform:uppercase;color:#C9C9D2}
  .badge b{display:block;font-size:15px;font-weight:600}
  .badge .ic{font-size:20px}
  .chooser .code{margin-top:28px;color:rgba(255,255,255,.85);font-size:14px}
  .chooser .code b{color:var(--white);font-family:var(--mono);font-weight:500;letter-spacing:.06em;border:1px solid rgba(255,255,255,.5);padding:2px 8px}
  .chooser .foot{margin-top:44px;display:flex;gap:26px;color:var(--white)}
  .chooser .foot a{color:var(--white);text-decoration:none}
  @media (max-width:820px){.choices{grid-template-columns:1fr}}

  .note{margin-top:28px;padding:14px 16px;border:1px dashed var(--line);color:var(--muted);font-size:13px}
  .route{display:block}
  @media (prefers-reduced-motion:no-preference){.choice{transition:box-shadow .2s}.choice:hover{box-shadow:0 20px 40px -20px rgba(0,0,0,.5)}}

  /* legal texts (privacy.html, terms.html) */
  .sub .side a{color:var(--brand)}
  .doc{max-width:72ch;background:var(--white);border:1px solid var(--line);padding:clamp(24px,5vw,56px);font-size:16px;line-height:1.65}
  .doc h2{font-size:22px;margin:44px 0 14px;scroll-margin-top:84px}
  .doc h2:first-of-type{margin-top:28px}
  .doc p,.doc ul,.doc ol{margin:0 0 14px}
  .doc ul,.doc ol{padding-left:22px}
  .doc li{margin-bottom:8px}
  .doc a{color:var(--brand);overflow-wrap:anywhere}
  .doc .opt{border-left:2px solid var(--brand);padding:2px 0 2px 18px;margin-block:18px}
  .doc hr{border:0;border-top:1px solid var(--line);margin:40px 0 20px}