:root{
  --brand:#2563eb;--brand-d:#1d4ed8;--ink:#0f172a;--muted:#64748b;
  --bg:#ffffff;--soft:#f5f7fb;--line:#e2e8f0;--card:#fff;
  --hot:#ef4444;--warm:#f59e0b;--cold:#94a3b8;--ok:#22c55e;
  --hot-bg:#fef2f2;--warm-bg:#fffbeb;--cold-bg:#f1f5f9;
  --shadow:0 1px 2px rgba(15,23,42,.06),0 10px 28px rgba(15,23,42,.06);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font:15px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,sans-serif;color:var(--ink);background:var(--bg)}
a{color:inherit;text-decoration:none}
h1,h2,h3{letter-spacing:-.025em;line-height:1.15}
.wrap{max-width:1080px;margin:0 auto;padding:0 22px}
.btn{display:inline-block;background:var(--brand);color:#fff;font-weight:700;padding:11px 20px;border-radius:11px;border:none;cursor:pointer;font-size:15px;transition:.15s}
.btn:hover{background:var(--brand-d);transform:translateY(-1px)}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn.ghost:hover{border-color:var(--brand);color:var(--brand);background:#fff}
.btn.sm{padding:7px 13px;font-size:13px;border-radius:9px}
.btn.block{display:block;width:100%;text-align:center}
.muted{color:var(--muted)}

/* marketing nav */
nav.top{position:sticky;top:0;background:rgba(255,255,255,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);z-index:50}
nav.top .row{display:flex;align-items:center;gap:26px;height:64px}
.brand{font-weight:800;font-size:18px}.brand b{color:var(--brand)}
nav.top .links{display:flex;gap:22px;margin-left:10px;color:var(--muted);font-weight:600;font-size:15px}
nav.top .links a:hover{color:var(--ink)}
nav.top .cta{margin-left:auto;display:flex;gap:10px;align-items:center}
@media(max-width:860px){nav.top .links{display:none}}

/* hero & sections */
.hero{background:linear-gradient(180deg,#eff4ff,#fff);text-align:center;padding:80px 0 60px}
.live{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:13px;font-weight:700;color:var(--ok);box-shadow:var(--shadow)}
.live .d{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px #22c55e22}
.hero h1{font-size:50px;font-weight:800;margin:20px auto 0;max-width:820px}
.hero h1 .g{background:linear-gradient(90deg,var(--brand),#7c3aed);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:var(--muted);font-size:18px;max-width:640px;margin:18px auto 0}
.hero .row{display:flex;gap:12px;justify-content:center;margin-top:28px;flex-wrap:wrap}
.trust{display:flex;gap:18px;justify-content:center;margin-top:20px;color:var(--muted);font-size:14px;flex-wrap:wrap}
@media(max-width:680px){.hero h1{font-size:34px}}
section{padding:64px 0}
h2.center{font-size:32px;font-weight:800;text-align:center}
.sub{text-align:center;color:var(--muted);max-width:620px;margin:12px auto 0;font-size:16px}

.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:40px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:40px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:36px}
@media(max-width:860px){.grid3,.grid4{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.grid3,.grid4,.grid2{grid-template-columns:1fr}}
.card{border:1px solid var(--line);border-radius:16px;padding:22px;background:#fff;box-shadow:var(--shadow)}
.feat .e{font-size:24px}.feat h3{font-size:16px;margin:10px 0 6px}.feat p{font-size:14px;color:var(--muted)}
.step .num{width:34px;height:34px;border-radius:10px;background:var(--brand);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.step h3{font-size:16px;margin-bottom:6px}.step p{font-size:14px;color:var(--muted)}

table.cmp{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;font-size:14.5px;margin-top:36px}
table.cmp th,table.cmp td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line)}
table.cmp th{background:var(--soft);font-weight:700}
table.cmp td.us{color:var(--brand);font-weight:700}

/* pricing */
.plans{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:40px;align-items:start}
.plan{border:1px solid var(--line);border-radius:18px;padding:24px;background:#fff;position:relative}
.plan.pop{border-color:var(--brand);box-shadow:0 14px 40px rgba(37,99,235,.18)}
.plan .pop-tag{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--brand);color:#fff;font-size:12px;font-weight:800;padding:4px 12px;border-radius:999px}
.plan h3{font-size:17px}.plan .price{font-size:28px;font-weight:800;margin:8px 0}.plan .price small{font-size:13px;color:var(--muted);font-weight:600}
.plan ul{list-style:none;margin:14px 0;font-size:14px}
.plan li{padding:6px 0 6px 24px;position:relative;color:#334155}
.plan li:before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:800}
@media(max-width:900px){.plans{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.plans{grid-template-columns:1fr}}

details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 20px;margin-bottom:12px}
details summary{font-weight:700;list-style:none;cursor:pointer}
details summary::-webkit-details-marker{display:none}
details[open] summary{color:var(--brand)}
details p{color:var(--muted);margin-top:10px;font-size:14.5px}

.final{background:linear-gradient(135deg,var(--brand),#7c3aed);color:#fff;text-align:center;border-radius:24px;padding:54px 24px;margin:24px 0}
.final h2{color:#fff;font-size:30px}.final p{color:#dbeafe;margin:12px auto 0;max-width:520px}
.final .btn{background:#fff;color:var(--brand);margin-top:22px}
footer.site{border-top:1px solid var(--line);padding:38px 0;color:var(--muted);font-size:14px}
.fcols{display:flex;gap:56px;flex-wrap:wrap}
.fcols b{display:block;color:var(--ink);margin-bottom:10px}.fcols a{display:block;margin-bottom:6px}

/* auth */
.auth{min-height:80vh;display:flex;align-items:center;justify-content:center;padding:40px 20px}
.auth .box{width:100%;max-width:400px;border:1px solid var(--line);border-radius:18px;padding:30px;box-shadow:var(--shadow)}
.auth h1{font-size:24px;text-align:center}.auth p.s{text-align:center;color:var(--muted);margin:6px 0 20px;font-size:14px}
label{display:block;font-weight:600;font-size:13.5px;margin:12px 0 6px}
input[type=email],input[type=password],input[type=text],textarea,select{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 13px;font-size:15px;font-family:inherit}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--brand)}
textarea{min-height:120px;resize:vertical}
.err{background:var(--hot-bg);color:var(--hot);border:1px solid #fecaca;border-radius:10px;padding:10px 13px;font-size:14px;margin-bottom:8px}
.ok{background:#f0fdf4;color:#15803d;border:1px solid #bbf7d0;border-radius:10px;padding:10px 13px;font-size:14px;margin-bottom:8px}

/* cabinet layout */
.shell{display:flex;min-height:100vh}
.side{width:240px;flex-shrink:0;background:#0f172a;color:#cbd5e1;padding:18px 14px;position:sticky;top:0;height:100vh;overflow:auto}
.side .logo{color:#fff;font-weight:800;font-size:17px;padding:8px 10px 16px}
.side .logo b{color:#60a5fa}
.side a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;color:#cbd5e1;font-weight:600;font-size:14.5px;margin-bottom:2px}
.side a:hover{background:#1e293b;color:#fff}
.side a.on{background:var(--brand);color:#fff}
.side .sep{height:1px;background:#1e293b;margin:12px 6px}
.side .small{font-size:12px;color:#64748b;padding:8px 12px}
.main{flex:1;min-width:0;background:var(--soft)}
.topbar{background:#fff;border-bottom:1px solid var(--line);padding:14px 26px;display:flex;align-items:center;gap:14px;position:sticky;top:0;z-index:20}
.topbar h1{font-size:19px}
.topbar .right{margin-left:auto;display:flex;align-items:center;gap:12px;font-size:14px;color:var(--muted)}
.content{padding:24px 26px;max-width:1000px}
@media(max-width:820px){.side{width:64px}.side .logo span,.side a span,.side .small{display:none}.side a{justify-content:center}}

/* stat cards */
.cards{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-bottom:22px}
.stat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 16px;box-shadow:var(--shadow)}
.stat .n{font-size:25px;font-weight:800}.stat .l{color:var(--muted);font-size:12.5px;margin-top:2px}
.stat.hot .n{color:var(--hot)}.stat.warm .n{color:var(--warm)}.stat.cold .n{color:var(--cold)}
@media(max-width:760px){.cards{grid-template-columns:repeat(2,1fr)}}

/* leads */
.toolbar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 14px;font-weight:600;font-size:13.5px;color:var(--muted)}
.chip.on{background:var(--brand);border-color:var(--brand);color:#fff}
.lead{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;margin-bottom:12px;box-shadow:var(--shadow)}
.lead.hot{border-left:4px solid var(--hot)}.lead.warm{border-left:4px solid var(--warm)}.lead.cold{border-left:4px solid var(--cold)}
.lhead{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.badge{font-size:11.5px;font-weight:800;padding:3px 9px;border-radius:999px;text-transform:uppercase}
.badge.hot{background:var(--hot-bg);color:var(--hot)}.badge.warm{background:var(--warm-bg);color:var(--warm)}.badge.cold{background:var(--cold-bg);color:var(--muted)}
.score{font-weight:800;font-size:13px;color:var(--muted)}.who{font-weight:700}.chat{color:var(--muted);font-size:13px}.when{margin-left:auto;color:var(--muted);font-size:12.5px}
.ltext{margin:11px 0;padding:10px 12px;background:var(--soft);border:1px solid var(--line);border-radius:10px}
.intent{font-size:13.5px;color:var(--muted);margin-bottom:8px}.intent b{color:var(--ink)}
.reply{background:#eff4ff;border:1px solid #dbe6ff;border-radius:10px;padding:11px 12px;font-size:14px}
.reply .cap{font-size:11.5px;font-weight:800;color:var(--brand);text-transform:uppercase;margin-bottom:5px}
.lrow{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-top:12px}
.lrow form{display:inline}
.tg{margin-left:auto;color:var(--brand);font-weight:600;font-size:13px}

/* tables (chats/contacts) */
table.data{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;font-size:14px}
table.data th,table.data td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line)}
table.data th{background:var(--soft);font-weight:700;font-size:13px}
table.data tr:last-child td{border-bottom:none}
.pill{font-size:11.5px;border:1px solid var(--line);border-radius:999px;padding:2px 9px;color:var(--muted)}

/* qr */
.qrbox{display:flex;gap:24px;flex-wrap:wrap;align-items:center}
.qr{width:220px;height:220px;border:1px solid var(--line);border-radius:14px;padding:10px;background:#fff}
.banner{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;box-shadow:var(--shadow)}
.banner.warn{border-color:#fcd34d;background:#fffbeb}
.banner.good{border-color:#bbf7d0;background:#f0fdf4}
.dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}
.dot.red{background:var(--hot)}.dot.green{background:var(--ok)}.dot.gray{background:var(--cold)}
.empty{text-align:center;color:var(--muted);padding:50px 0}.empty h3{color:var(--ink);margin-bottom:6px}
.guidegrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px}
@media(max-width:860px){.guidegrid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.guidegrid{grid-template-columns:1fr}}
.gcard{border:1px solid var(--line);border-radius:14px;padding:20px;background:#fff;box-shadow:var(--shadow)}
.gcard .e{font-size:22px}.gcard h3{font-size:16px;margin:8px 0 6px}.gcard p{font-size:13.5px;color:var(--muted)}
.bars{display:flex;flex-direction:column;gap:8px;margin-top:10px}
.bar{display:flex;align-items:center;gap:10px;font-size:13px}
.bar .track{flex:1;height:10px;background:var(--soft);border-radius:999px;overflow:hidden}
.bar .fill{height:100%;background:var(--brand);border-radius:999px}
.bar .v{width:36px;text-align:right;color:var(--muted)}

/* cookie bar */
.cookie-bar{position:fixed;left:16px;right:16px;bottom:16px;z-index:80;background:#0f172a;color:#e2e8f0;border-radius:14px;box-shadow:0 14px 40px rgba(15,23,42,.3)}
.cookie-inner{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding:14px 18px;max-width:1080px;margin:0 auto}
.cookie-text{flex:1;min-width:240px;font-size:13.5px;line-height:1.5}
.cookie-text a{color:#93c5fd;text-decoration:underline}
.cookie-actions{display:flex;gap:8px;flex-shrink:0}
.cookie-bar .btn.ghost{background:transparent;color:#e2e8f0;border-color:#334155}
.cookie-bar .btn.ghost:hover{border-color:#64748b;color:#fff;background:transparent}

/* legal page */
.legal{max-width:780px}
.legal h1{font-size:30px;margin-bottom:6px}
.legal .upd{color:var(--muted);font-size:13.5px;margin-bottom:24px}
.legal h2{font-size:19px;margin:28px 0 8px}
.legal p,.legal li{color:#334155;font-size:14.5px;line-height:1.7}
.legal ul{margin:8px 0 8px 20px}

/* discovery / поиск каналов */
.tabs{display:flex;gap:6px;border-bottom:1px solid var(--line)}
.tab{border:none;background:none;padding:10px 16px;font-weight:700;font-size:14.5px;color:var(--muted);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px}
.tab.on{color:var(--brand);border-bottom-color:var(--brand)}
.chipset{display:flex;flex-wrap:wrap;gap:8px}
.chip-tog{border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 13px;font-size:13.5px;cursor:pointer;color:var(--muted);user-select:none}
.chip-tog.on{background:#eff4ff;border-color:var(--brand);color:var(--brand);font-weight:600}
.relev{width:38px;height:38px;border-radius:50%;color:#fff;font-weight:800;font-size:13px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.disco-card{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin-bottom:8px;background:#fff;cursor:pointer}
.disco-card:hover{border-color:var(--brand)}