:root{
  --band:#1F3375; --band-ink:#F7F8FC; --band-soft:#D3DAEE; --pale:#B8C6EE;
  --bg:#FFFFFF; --soft:#F5F6FA; --surface:#FFFFFF; --ink:#0F1B4C; --muted:#5B6478; --line:#E1E6F2;
  --blue:#2C49A8; --blue-soft:#E6EAF5; --red:#C93441; --red-soft:#F9E7E9; --ok:#1E7A4D; --ok-soft:#E4F3EB;
  --shadow:0 16px 40px rgba(15,27,76,.08);
  --font:"Jost","Futura","Century Gothic","Segoe UI",Arial,sans-serif;
}
@media (prefers-color-scheme: dark){:root{
  --band:#18285C; --bg:#0B1230; --soft:#111A3D; --surface:#16204A; --ink:#EEF1FA; --muted:#A6AFC8; --line:#24305E;
  --blue:#8FA8FF; --blue-soft:#1C2A5E; --red:#F0606E; --red-soft:#3A1A26; --ok:#6FD3A0; --ok-soft:#143326;
  --shadow:0 16px 40px rgba(0,0,0,.35); color-scheme:dark}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:18px;line-height:1.5;
  min-height:100vh;display:flex;flex-direction:column}
main{flex:1;padding-bottom:64px}
a{color:var(--blue);text-underline-offset:3px}
h1{font-size:clamp(30px,4.2vw,42px);line-height:1.12;margin:0 0 8px;font-weight:700;letter-spacing:-.01em;text-wrap:balance}
h2{font-size:24px;line-height:1.2;margin:0 0 8px;font-weight:600}
h3{font-size:20px;margin:0 0 6px;font-weight:600}
p{margin:0 0 12px}
.wrap{width:100%;max-width:1080px;margin:0 auto;padding:0 20px}
.narrow{max-width:560px}
.muted{color:var(--muted)} .small{font-size:15px} .red{color:var(--red)}
:focus-visible{outline:3px solid var(--blue);outline-offset:2px;border-radius:6px}

/* header */
.top{background:var(--band);color:var(--band-ink)}
.top-in{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px;flex-wrap:wrap;padding-top:10px;padding-bottom:10px}
.brand{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none}
.mark{display:inline-flex}
.mark i{width:22px;height:22px;border-radius:50%;background:#C93441;display:block}
.mark i+i{background:#8EA2E0;margin-left:-8px;opacity:.94}
.word{font-weight:600;letter-spacing:.34em;font-size:17px}
.nav{display:flex;align-items:center;gap:6px 20px;flex-wrap:wrap;font-size:16px}
.nav a{color:var(--band-soft);text-decoration:none;padding:6px 0;border-bottom:2px solid transparent}
.nav a:hover,.nav a.on{color:#fff;border-bottom-color:var(--pale)}
.nav a.btn{color:var(--band);border:0;padding:8px 16px}
.inline{display:inline;margin:0}
.linkbtn{background:none;border:0;padding:6px 0;font:inherit;font-size:16px;color:var(--band-soft);cursor:pointer}
.linkbtn:hover{color:#fff}
.linkbtn.danger{color:var(--red)} .linkbtn.danger:hover{color:var(--red);text-decoration:underline}
.top .focus-visible,.top :focus-visible{outline-color:#fff}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--blue);color:#fff;border:0;
  border-radius:10px;padding:13px 22px;font:inherit;font-weight:600;font-size:17px;text-decoration:none;cursor:pointer;min-height:48px}
.btn:hover{filter:brightness(1.08)} .btn:disabled{opacity:.6;cursor:default}
@media (prefers-color-scheme: dark){.btn{color:#0B1230}.btn-light{color:var(--band)}}
.btn-small{padding:8px 14px;min-height:40px;font-size:16px}
.btn-light{background:#fff;color:var(--band)}
.nav .btn{background:#fff}
.btn-ghost{background:transparent;color:#fff;box-shadow:inset 0 0 0 2px rgba(255,255,255,.55)}
.btn-outline{background:transparent;color:var(--blue);box-shadow:inset 0 0 0 2px var(--blue)}
.btn-danger{background:var(--red);color:#fff}

/* flash */
.flash{margin:16px 0;padding:12px 16px;border-radius:10px;background:var(--ok-soft);color:var(--ink);border-left:0}
.flash.err{background:var(--red-soft)} .flash.info{background:var(--blue-soft)}

/* landing */
.hero{background:var(--band);color:var(--band-ink);padding:56px 0 72px}
.hero-in{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.eyebrow{font-size:15px;letter-spacing:.14em;text-transform:uppercase;color:var(--pale);font-weight:500;margin-bottom:14px}
.hero h1{font-size:clamp(36px,5.4vw,60px);color:#fff}
.lead{font-size:21px;color:var(--band-soft);max-width:34em;margin:16px 0 28px}
.cta-row{display:flex;gap:12px;flex-wrap:wrap}
.hero-note{color:var(--pale);font-size:15px;margin-top:14px}
.hero-card{background:var(--surface);color:var(--ink);border-radius:16px;padding:22px;box-shadow:0 28px 60px rgba(8,20,80,.35)}
.hc-head{font-weight:600;margin-bottom:10px}.hc-foot{color:var(--muted);font-size:14px;margin:10px 0 0}
section{padding:56px 0}
.is-landing main{padding-bottom:0}
.band-soft{background:var(--soft)}
.is-landing section h2{font-size:clamp(26px,3.4vw,34px);margin-bottom:24px}
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.steps li{background:var(--surface);border-radius:14px;padding:24px;border:1px solid var(--line)}
.num{display:inline-flex;width:36px;height:36px;border-radius:50%;background:var(--blue);color:#fff;align-items:center;justify-content:center;font-weight:600;margin-bottom:12px}
@media (prefers-color-scheme: dark){.num{color:#0B1230}}
.steps p,.card p{color:var(--muted);margin:0}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:22px}
.price .amount{font-size:34px;font-weight:700;color:var(--ink);margin:4px 0 8px}
.price .amount small{font-size:16px;font-weight:400;color:var(--muted)}
.price .btn{margin-top:16px}.soon{margin-top:16px !important;font-size:15px;font-style:italic}
.also{margin-top:24px;color:var(--muted)}

/* app */
.page-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;margin:32px 0 20px}
.page-head p{margin:0}
.actions{display:flex;gap:10px;flex-wrap:wrap}
.crumb{margin:24px 0 0;font-size:16px}.crumb a{text-decoration:none}
.narrow h1{margin-top:36px}
.comp{display:flex;flex-direction:column;gap:6px;text-decoration:none;color:inherit;transition:box-shadow .15s,transform .15s}
.comp:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.comp h2{margin:0}.comp p{margin:0}.comp .stats{color:var(--ink)}
.go{margin-top:10px;color:var(--blue);font-weight:600}
.add{margin-top:28px}
.empty{text-align:center;background:var(--soft);border-radius:14px;padding:40px 24px;margin:16px 0}
.empty p{color:var(--muted);max-width:32em;margin:0 auto 12px}
.empty h1,.empty h2{margin-bottom:10px}
.scanning{padding:64px 24px}
.spinner{display:inline-block;width:16px;height:16px;border:3px solid var(--line);border-top-color:var(--blue);border-radius:50%;
  animation:spin .9s linear infinite;vertical-align:-2px;margin-right:8px}
.spinner.big{width:40px;height:40px;border-width:4px;margin:0 0 20px}
@keyframes spin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion: reduce){.spinner{animation-duration:3s}.comp{transition:none}}
.pulse{color:var(--blue)}

/* forms */
.form{display:flex;flex-direction:column;gap:16px}
.form label{display:flex;flex-direction:column;gap:6px;font-weight:500;font-size:16px}
.form input,.form textarea{font:inherit;font-size:17px;padding:12px 14px;border-radius:10px;border:1.5px solid var(--line);
  background:var(--bg);color:var(--ink);min-height:48px;width:100%}
.form input:focus,.form textarea:focus{border-color:var(--blue);outline:none;box-shadow:0 0 0 3px var(--blue-soft)}
.form small,.fine{font-weight:400;color:var(--muted);font-size:14px}
.fine{margin:0}
.form-row{display:grid;grid-template-columns:1fr 1fr 1fr auto;gap:14px;align-items:end}
.switch{margin:16px 0;color:var(--muted)}
.demo-box{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;background:var(--soft)}
.demo-box p{margin:0;flex:1 1 240px}

/* signals */
.sources{list-style:none;display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:0 0 8px;font-size:15px}
.src-label{color:var(--muted);padding:5px 0}
.src{background:var(--soft);border-radius:999px;padding:5px 12px;color:var(--muted)}
.src b{color:var(--ink);font-weight:600}
.src.fail{background:var(--red-soft)}.src.off{opacity:.75}
.group{padding:20px 0 0}
.group h2{display:flex;align-items:center;gap:10px;margin-bottom:2px}
.group h2 a{color:inherit;text-decoration:none}.group h2 a:hover{text-decoration:underline}
.count{font-size:14px;background:var(--soft);color:var(--muted);border-radius:999px;padding:2px 10px;font-weight:500}
.group.lvl3 h2{color:var(--red)}
.siglist{list-style:none;padding:0;margin:12px 0 0;display:flex;flex-direction:column;gap:10px}
.sig{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 16px;display:grid;gap:4px}
.sig.lvl3{background:var(--red-soft);border-color:transparent}
.tag{font-size:13px;letter-spacing:.08em;text-transform:uppercase;font-weight:600;color:var(--blue)}
.sig.lvl3 .tag{color:var(--red)}
.sig-text{font-size:18px;overflow-wrap:anywhere}
.sig.lvl3 .sig-text,.sig.lvl2 .sig-text{font-weight:500}
.sig-meta{font-size:14px;color:var(--muted)}
.ask{margin-top:28px;background:var(--soft);border-radius:14px;padding:18px 20px;display:flex;align-items:center;
  justify-content:space-between;gap:12px 20px;flex-wrap:wrap}
.ask-q{margin:0;font-weight:600}
.ask-row{display:flex;gap:8px;flex-wrap:wrap;margin:0}
.chip{font:inherit;font-size:16px;font-weight:500;padding:9px 18px;min-height:44px;border-radius:999px;border:1.5px solid var(--blue);
  background:transparent;color:var(--blue);cursor:pointer}
.chip:hover,.chip.picked{background:var(--blue);color:#fff}
@media (prefers-color-scheme: dark){.chip:hover,.chip.picked{color:#0B1230}}
.danger-row{margin-top:28px;text-align:right}
.pro{margin:20px 0}.ticks{padding-left:20px;margin:8px 0 14px}
.facts{display:grid;grid-template-columns:auto 1fr;gap:8px 20px;margin:16px 0}.facts dt{color:var(--muted)}.facts dd{margin:0;overflow-wrap:anywhere}
.prose h2{margin-top:28px}.prose p{color:var(--ink)}
.tbl{border-collapse:collapse;width:100%;margin:8px 0 28px;font-size:16px}
.tbl th,.tbl td{text-align:left;padding:8px 12px;border-bottom:1px solid var(--line);vertical-align:top;overflow-wrap:anywhere}
.tbl th{font-weight:500;color:var(--muted);width:42%}

/* footer */
.foot{border-top:1px solid var(--line);color:var(--muted);font-size:15px;padding:20px 0}
.foot-in{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.foot-links{display:flex;gap:18px;flex-wrap:wrap}.foot a{color:var(--muted)}

@media (max-width:900px){
  .hero-in{grid-template-columns:1fr;gap:32px}
  .grid4{grid-template-columns:repeat(2,1fr)}
  .form-row{grid-template-columns:1fr 1fr}.form-row .btn{grid-column:1/-1}
}
@media (max-width:640px){
  body{font-size:17px}
  .wrap{padding:0 16px}
  .steps,.grid3,.grid2,.grid4,.form-row{grid-template-columns:1fr}
  .hero{padding:36px 0 48px} section{padding:40px 0}
  .word{letter-spacing:.24em}
  .nav{gap:2px 16px;font-size:15px}
  .ask{flex-direction:column;align-items:flex-start}
}