/* ВЫШКА · дизайн-система «СИГНАЛ» (light-first) — общая для посадочных страниц. §SEO-LANDINGS */
:root{
  --bg:#F5F6F9; --surface:#FFFFFF; --elev:#FFFFFF;
  --border:#E2E6EC; --border-strong:#C4CBD6;
  --text:#10141C; --muted:#59616E;
  --accent:#2B57D4; --accent-fill:#2B57D4; --accent-ink:#FFFFFF; --accent-soft:#EAF0FF; --accent2:#0E9E88;
  --success:#12855F; --danger:#D6392F;
  --r-sm:8px; --r:12px; --r-lg:16px; --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,20,28,.08); --sh-2:0 4px 12px rgba(16,20,28,.10); --sh-3:0 12px 32px rgba(16,20,28,.14);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --dur:200ms; --ease:cubic-bezier(.2,.7,.1,1);
  --maxw:1120px;
}
:root[data-theme="dark"]{
  --bg:#0B0D11; --surface:#14181F; --elev:#1C222B;
  --border:#333B48; --border-strong:#454E5E;
  --text:#ECEFF4; --muted:#9BA4B4;
  --accent:#6E9BFF; --accent-fill:#2E5BD6; --accent-ink:#FFFFFF; --accent-soft:#1B2540; --accent2:#3FD9C0;
  --success:#35C08A; --danger:#FF5D5D;
  --sh-1:0 1px 2px rgba(0,0,0,.4); --sh-2:0 6px 18px rgba(0,0,0,.44); --sh-3:0 16px 40px rgba(0,0,0,.5);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
html,body{max-width:100%;overflow-x:clip}
@supports not (overflow:clip){html,body{overflow-x:hidden}}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:var(--accent);text-decoration:none}
img,picture,video,canvas,iframe,svg{max-width:100%}
img,picture{height:auto}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.wrap,.grid>*,.split>*,.nums>*,.prices>*,.foot-cols>*,.card,.price,.num,.final,.frow>*,.modal,.faq details{min-width:0}
.eyebrow{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:500;color:var(--accent);background:var(--accent-soft);border:1px solid var(--border);border-radius:var(--r-pill);padding:5px 12px}
h1,h2,h3{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.15}
h1{font-size:clamp(1.9rem,5vw,3rem);line-height:1.12}
h2{font-size:clamp(1.5rem,3.2vw,2.1rem)}
h3{font-size:1.18rem;font-weight:700}
p{margin:0}
.sub{color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;max-width:100%;padding:0 20px;border-radius:var(--r);font:inherit;font-weight:700;cursor:pointer;border:1.5px solid transparent;white-space:normal;text-align:center;transition:transform 90ms var(--ease),background var(--dur) var(--ease),border-color var(--dur) var(--ease);-webkit-tap-highlight-color:transparent}
.btn:active{transform:scale(.975)}
.btn-primary{background:var(--accent-fill);color:var(--accent-ink);border-color:var(--accent-fill)}
.btn-primary:hover{filter:brightness(1.06)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--border-strong)}
.btn-ghost:hover{background:var(--surface)}
.btn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.btn:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* nav */
.nav{position:sticky;top:0;z-index:100;background:var(--bg);border-bottom:1px solid var(--border)}
.nav-in{display:flex;align-items:center;gap:16px;height:62px}
.brand{display:flex;align-items:center;gap:10px;min-width:0;font-weight:700;font-size:18px;color:var(--text)}
.brand .mark{width:34px;height:34px;border-radius:9px;background:var(--accent-fill);display:flex;align-items:center;justify-content:center}
.brand .mark svg{width:19px;height:19px;stroke:#fff;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.nav-links{display:none;gap:20px;margin-left:14px}
.nav-links a{color:var(--muted);font-size:14.5px;font-weight:500}
.nav-links a:hover{color:var(--text)}
.nav-cta{margin-left:auto;display:flex;align-items:center;gap:8px;min-width:0}
.nav .btn{min-height:40px;padding:0 15px;font-size:14.5px}
.nav-login{color:var(--text);font-weight:600;font-size:14.5px;padding:0 6px}
@media(min-width:900px){.nav-links{display:flex}}

/* breadcrumb */
.crumbs{font-size:13px;color:var(--muted);padding:16px 0 0}
.crumbs a{color:var(--muted)} .crumbs a:hover{color:var(--accent)} .crumbs span{color:var(--faint,#8a93a3)}

/* hero */
.hero{position:relative;overflow:hidden;padding:48px 0 34px}
.hero h1{margin:14px 0 0;max-width:18ch;text-wrap:balance}
.hero .lede{margin-top:16px;font-size:clamp(1.05rem,2.2vw,1.22rem);color:var(--muted);max-width:56ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.price-anchor{margin-top:14px;font-size:14.5px;color:var(--muted)}
.price-anchor b{color:var(--text);font-variant-numeric:tabular-nums}
.trust-line{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.trust-chip{display:inline-flex;align-items:center;gap:6px;max-width:100%;font-size:12.5px;font-weight:500;color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:var(--r-pill);padding:5px 11px;white-space:normal}
.trust-chip svg{width:14px;height:14px;stroke:var(--accent2);fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}

/* sections */
section{padding:50px 0}
.sec-head{max-width:62ch;margin:0 auto 30px;text-align:center}
.sec-head .eyebrow{margin-bottom:12px}
.sec-head p{margin-top:12px;color:var(--muted);font-size:1.05rem}
.prose{max-width:66ch;margin:0 auto;color:var(--muted)}
.prose p{margin:0 0 14px} .prose p:last-child{margin-bottom:0} .prose b{color:var(--text)}

/* grid + cards */
.grid{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:640px){.grid{grid-template-columns:1fr 1fr}}
@media(min-width:960px){.grid.g3{grid-template-columns:repeat(3,1fr)}}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh-1)}
@media(hover:hover) and (pointer:fine){.card.lift{transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}.card.lift:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}}
.card .ico{width:42px;height:42px;border-radius:11px;background:var(--accent-soft);display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.card .ico svg{width:22px;height:22px;stroke:var(--accent);fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
.card h3{margin-bottom:7px}
.card p{color:var(--muted);font-size:14.5px}

/* problem/solution split */
.split{display:grid;grid-template-columns:1fr;gap:18px}
@media(min-width:760px){.split{grid-template-columns:1fr 1fr}}
.split .card b{color:var(--text)}

/* numbers strip */
.nums{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
@media(min-width:760px){.nums{grid-template-columns:repeat(4,1fr)}}
.num{text-align:center;padding:20px 16px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--sh-1)}
.num b{display:block;font-size:30px;font-weight:700;color:var(--accent);letter-spacing:-.02em;line-height:1.05;font-variant-numeric:tabular-nums}
.num b.sm{font-size:18px}
.num span{color:var(--muted);font-size:13.5px;margin-top:8px;display:block;line-height:1.35}

/* comparison table */
.cmp{max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--border);border-radius:var(--r-lg);background:var(--surface)}
table.cmp-t{width:100%;border-collapse:collapse;min-width:560px}
.cmp-t th,.cmp-t td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--border);font-size:14.5px}
.cmp-t thead th{font-weight:700;color:var(--muted);font-size:13px}
.cmp-t thead th.us{color:var(--accent)}
.cmp-t td.us{font-weight:600}
.cmp-t .yes{color:var(--success);font-weight:700}
.cmp-t .no{color:var(--muted)}
.cmp-t tr:last-child td{border-bottom:none}
@media(max-width:520px){
  table.cmp-t{min-width:0;table-layout:fixed}
  .cmp-t th,.cmp-t td{padding:10px 7px;font-size:12px;line-height:1.35;overflow-wrap:anywhere;word-break:normal;hyphens:auto}
  .cmp-t thead th{font-size:11px}
}

/* pricing */
.prices{display:grid;grid-template-columns:1fr;gap:18px}
@media(min-width:820px){.prices{grid-template-columns:repeat(3,1fr);align-items:stretch}}
.price{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:24px;display:flex;flex-direction:column;box-shadow:var(--sh-1)}
.price.feat{border:2px solid var(--accent);box-shadow:var(--sh-2)}
.price .tag{position:absolute;top:-11px;left:24px;background:var(--accent-fill);color:var(--accent-ink);font-size:12px;font-weight:700;border-radius:var(--r-pill);padding:3px 11px}
.price .pname{font-size:15px;font-weight:700;color:var(--muted)}
.price .amt{margin:10px 0 2px;font-size:34px;font-weight:700;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.price .amt small{font-size:15px;font-weight:500;color:var(--muted)}
.price .per{color:var(--muted);font-size:13.5px;min-height:1.4em}
.price ul{list-style:none;margin:16px 0;padding:0;display:flex;flex-direction:column;gap:9px}
.price li{display:flex;gap:9px;font-size:14px;color:var(--text)}
.price li svg{width:17px;height:17px;flex:none;stroke:var(--success);fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;margin-top:2px}
.price .btn{width:100%;margin-top:auto}

/* faq */
.faq{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:10px}
.faq details{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:2px 18px}
.faq summary{cursor:pointer;font-weight:600;padding:15px 0;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--accent);font-size:20px;font-weight:700;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--muted);font-size:14.5px;padding:0 0 16px}

/* final cta */
.final{background:var(--accent-fill);border-radius:var(--r-lg);padding:44px 28px;text-align:center;color:var(--accent-ink)}
.final h2{color:var(--accent-ink)}
.final p{margin-top:12px;color:rgba(255,255,255,.86);max-width:52ch;margin-left:auto;margin-right:auto}
.final .final-cta{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:24px}
.final .btn-primary{background:#fff;color:var(--accent);border-color:#fff}
.final .btn-ghost{color:#fff;border-color:rgba(255,255,255,.6)}
.final .btn-ghost:hover{background:rgba(255,255,255,.12)}

/* footer */
.foot{border-top:1px solid var(--border);padding:40px 0 30px;color:var(--muted);font-size:13.5px}
.foot-cols{display:flex;flex-wrap:wrap;gap:24px 48px;margin-bottom:22px}
.foot-col h4{font-size:13px;color:var(--text);margin:0 0 10px}
.foot-col a{display:block;color:var(--muted);margin-bottom:7px;font-size:13.5px}
.foot-col a:hover{color:var(--text)}
.foot-req{border-top:1px solid var(--border);padding-top:18px;line-height:1.6}

/* reveal */
.reveal{opacity:1;transform:none}
@media(prefers-reduced-motion:no-preference){
  .js .reveal{opacity:0;transform:translateY(10px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
  .js .reveal.in{opacity:1;transform:none}
}

/* order modal */
.scrim{position:fixed;inset:0;z-index:1400;background:rgba(10,14,22,.55);display:none;align-items:center;justify-content:center;padding:18px}
.scrim.on{display:flex}
.modal{width:460px;max-width:100%;max-height:92vh;overflow:auto;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--sh-3);padding:24px}
.modal h3{font-size:20px}
.modal .msub{color:var(--muted);font-size:14px;margin-top:6px;margin-bottom:16px}
.field{margin-bottom:12px}
.field label{display:block;font-size:13px;font-weight:500;color:var(--muted);margin-bottom:5px}
.field input,.field select,.field textarea{width:100%;box-sizing:border-box;background:var(--bg);border:1px solid var(--border);border-radius:var(--r);color:var(--text);font:inherit;font-size:15px;padding:11px}
.field textarea{min-height:74px;resize:vertical}
.field.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.frow{display:flex;gap:10px}
.frow .field{flex:1}
.modal-row{display:flex;gap:10px;justify-content:flex-end;margin-top:16px}
.modal .est{background:var(--accent-soft);border:1px solid var(--border);border-radius:var(--r);padding:11px 13px;font-size:14px;margin-bottom:14px}
.modal .est b{font-variant-numeric:tabular-nums}
.modal .ok{text-align:center;padding:20px 6px}
.modal .ok .ic{width:52px;height:52px;border-radius:50%;background:var(--accent-soft);display:flex;align-items:center;justify-content:center;margin:0 auto 12px}
.modal .ok .ic svg{width:26px;height:26px;stroke:var(--success);fill:none;stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}
@media(max-width:520px){
  .wrap{padding-left:max(14px,env(safe-area-inset-left));padding-right:max(14px,env(safe-area-inset-right))}
  .nav-in{height:auto;min-height:62px;flex-wrap:wrap;padding-top:8px;padding-bottom:8px}
  .nav-cta{width:100%;margin-left:0;justify-content:flex-start;flex-wrap:wrap}
  .hero-cta,.final .final-cta,.modal-row,.frow{flex-direction:column;align-items:stretch}
  .hero-cta .btn,.final .final-cta .btn,.modal-row .btn{width:100%}
  .nums{grid-template-columns:1fr}
  section{padding:38px 0}
  .modal{padding:20px;max-width:calc(100vw - 28px)}
}