/* rutu-soft.ru — сайт. Палитра как в кабинете. */
:root{
  --bg:#F9FAFC; --surface:#FFFFFF; --surface-2:#F1F5F9; --ink:#1E293B; --ink-2:#475569; --ink-3:#64748B; --line:#E2E8F0;
  --accent:#3B82F6; --accent-strong:#2563EB; --accent-soft:#DBEAFE; --accent-deep:#1E40AF;
  --c-connect:#0EA5E9; --c-bot:#6366F1; --c-qa:#2563EB; --c-voice:#DB2777;
  --ok:#047857; --ok-soft:#D1FAE5; --bad:#B91C1C; --bad-soft:#FEE2E2;
  --shadow-lg:0 1px 2px rgba(15,23,42,.05),0 18px 40px -18px rgba(37,99,235,.28);
  --hero-tint:linear-gradient(180deg,#EFF6FF 0%,rgba(249,250,252,0) 100%);
  --f-body:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){
  :root{
    color-scheme:dark;
    --bg:#0B1220; --surface:#111A2E; --surface-2:#18233B; --ink:#E2E8F0; --ink-2:#A8B6CC; --ink-3:#7F8DA6; --line:#23314B;
    --accent:#60A5FA; --accent-strong:#3B82F6; --accent-soft:#172C52; --accent-deep:#BFDBFE;
    --c-connect:#38BDF8; --c-bot:#A5B4FC; --c-qa:#60A5FA; --c-voice:#F472B6;
    --ok:#34D399; --ok-soft:#0E2E26; --bad:#F87171; --bad-soft:#3A1717;
    --shadow-lg:0 1px 2px rgba(0,0,0,.4),0 20px 44px -18px rgba(0,0,0,.7);
    --hero-tint:linear-gradient(180deg,#0F1D38 0%,rgba(11,18,32,0) 100%);
  }
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
html,body{margin:0;background:var(--bg)}
body{color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit}
h1,h2,h3{font-weight:700;line-height:1.15;letter-spacing:-.025em;margin:0;text-wrap:balance}
p{margin:0}
img{max-width:100%}
button,input,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.wrap{max-width:1180px;margin:0 auto;padding-inline:24px}
@media (max-width:600px){.wrap{padding-inline:16px}}
.muted{color:var(--ink-2)} .faint{color:var(--ink-3)}
.eyebrow{font-size:12.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-strong)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line);border-radius:10px;padding:10px 16px;font-weight:600;font-size:14.5px;text-decoration:none;cursor:pointer;background:var(--surface);color:var(--ink);white-space:nowrap}
.btn:hover{border-color:var(--ink-3)}
.btn.primary{background:var(--accent-strong);border-color:var(--accent-strong);color:#fff}
.btn.primary:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent;border-color:transparent}
.btn.lg{padding:13px 22px;font-size:16px;border-radius:12px}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:500;padding:3px 10px;border-radius:999px;background:var(--surface-2);color:var(--ink-2);white-space:nowrap}
.chip.ok{background:var(--ok-soft);color:var(--ok)} .chip.acc{background:var(--accent-soft);color:var(--accent-deep)}

.logo{display:inline-flex;align-items:center;gap:9px;text-decoration:none;font-weight:800;font-size:18px;letter-spacing:-.03em}
.logo-mark{width:28px;height:28px;border-radius:8px;background:var(--accent-strong);display:grid;place-items:center}
.logo-mark svg{width:17px;height:17px;color:#fff}

.head{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--surface) 90%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.head .wrap{display:flex;align-items:center;gap:24px;height:64px}
.nav{display:flex;gap:2px;flex:1}
.nav a{text-decoration:none;font-weight:500;font-size:14.5px;color:var(--ink-2);padding:8px 12px;border-radius:8px;white-space:nowrap}
.nav a:hover{color:var(--ink);background:var(--surface-2)}
.nav a.ext::after{content:" ↗";color:var(--ink-3)}
.head-actions{display:flex;gap:8px;align-items:center}
.burger{display:none}
@media (max-width:1040px){
  .nav{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;background:var(--surface);border-bottom:1px solid var(--line);padding:10px 16px 16px}
  .nav.open{display:flex}
  .burger{display:inline-flex}
  .head-actions .login{display:none}
}

.hero{padding-block:64px 56px;background:var(--hero-tint)}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(32px,4.6vw,54px);font-weight:800;letter-spacing:-.035em}
.hero h1 em{font-style:normal;color:var(--accent-strong)}
.hero .lead{font-size:18.5px;color:var(--ink-2);margin-top:20px;max-width:34em}
.cta{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.notes{margin-top:18px;font-size:14px;color:var(--ink-3);display:flex;gap:8px 18px;flex-wrap:wrap}
.notes span::before{content:"✓ ";color:var(--accent-strong);font-weight:700}
@media (max-width:960px){.hero-grid{grid-template-columns:1fr;gap:36px}.hero{padding-block:40px}}

/* hero visual: путь сообщения */
.flowcard{background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-lg);padding:18px;display:grid;gap:10px}
.flowcard .fh{display:flex;justify-content:space-between;font-size:12.5px;color:var(--ink-3);padding:2px 4px 4px}
.fr{display:grid;grid-template-columns:132px 1fr;gap:12px;align-items:start;padding:12px;border-radius:12px;background:var(--bg)}
.fr .who{display:flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;color:var(--ink-2)}
.fr .msg{font-size:14.5px;line-height:1.45}
.fr .msg small{display:block;font-size:12px;color:var(--ink-3);margin-top:3px}
.fr .chips{display:flex;gap:6px;flex-wrap:wrap}
@media (max-width:480px){.fr{grid-template-columns:1fr;gap:6px}}
.chn{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;font-size:9.5px;font-weight:700;color:#fff;flex:none}
.chn.tg{background:#2AABEE}.chn.wa{background:#25D366}.chn.mx{background:#6B5BFF}.chn.vk{background:#0077FF}.chn.av{background:#00AAFF}.chn.web{background:#64748B}.chn.b24{background:#2FC6F6;color:#06313F}

.channels{display:flex;gap:10px 22px;flex-wrap:wrap;align-items:center;padding-block:22px;border-bottom:1px solid var(--line)}
.channels .lbl{font-size:13.5px;color:var(--ink-3)}
.channels .it{display:flex;align-items:center;gap:8px;font-weight:600;font-size:14.5px}
.channels .it.soon{color:var(--ink-3);font-weight:500}
.channels .it.soon .chn{opacity:.45}

section.band{padding-block:72px;border-top:1px solid var(--line)}
section.band.alt{background:var(--surface)}
.bh{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.bh h2{font-size:clamp(26px,3vw,38px);max-width:18em;letter-spacing:-.03em}
.bh p{max-width:36em;color:var(--ink-2)}

.feats{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.feat{background:var(--surface);padding:24px;display:grid;gap:6px;align-content:start}
.feat b{font-size:16.5px}
.feat p{font-size:14.5px;color:var(--ink-2)}
.feat .chip{justify-self:start}
@media (max-width:860px){.feats{grid-template-columns:1fr 1fr}}
@media (max-width:540px){.feats{grid-template-columns:1fr}}

.modes{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:760px){.modes{grid-template-columns:1fr}}
.mode{background:var(--bg);border:1px solid var(--line);border-radius:16px;padding:26px;display:grid;gap:12px;align-content:start}
.mode .chip{justify-self:start}
.mode h3{font-size:20px}
.mode p{color:var(--ink-2)}
.mode ul{margin:0;padding-left:20px;color:var(--ink-2);display:grid;gap:4px;font-size:15px}

.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
@media (max-width:860px){.split{grid-template-columns:1fr;gap:28px}}
.steps{counter-reset:s;display:grid;margin:0 0 0 12px;padding:0;list-style:none;border-left:2px solid var(--line)}
.steps li{counter-increment:s;position:relative;padding:0 0 24px 30px}
.steps li:last-child{padding-bottom:0}
.steps li::before{content:counter(s);position:absolute;left:-14px;top:-1px;width:26px;height:26px;border-radius:50%;background:var(--accent-strong);color:#fff;font-weight:700;font-size:12.5px;display:grid;place-items:center}
.steps b{display:block}
.steps p{font-size:15px;color:var(--ink-2)}

.tbox{border:1px solid var(--line);border-radius:14px;overflow-x:auto;background:var(--surface)}
table.spec{width:100%;border-collapse:collapse;font-size:15px}
.spec th,.spec td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--line);white-space:nowrap}
.spec thead th{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);font-weight:600;background:var(--surface-2)}
.spec tr:last-child td{border-bottom:0}

.price{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:28px;display:grid;grid-template-columns:1.2fr 1fr;gap:28px;align-items:center}
.price h3{font-size:22px}
.price ul{margin:12px 0 0;padding-left:20px;color:var(--ink-2);display:grid;gap:4px}
.price .side{display:grid;gap:10px;justify-items:start}
.price .big{font-size:30px;font-weight:800;letter-spacing:-.03em}
@media (max-width:760px){.price{grid-template-columns:1fr}}

.faq{display:grid;gap:10px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px 20px}
.faq summary{cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--ink-3);font-weight:500}
.faq details[open] summary::after{content:"–"}
.faq details p{margin-top:8px;color:var(--ink-2);font-size:15px}

.soon-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media (max-width:860px){.soon-row{grid-template-columns:1fr}}
.soon{border:1px dashed var(--line);border-radius:16px;padding:22px;display:grid;gap:8px;align-content:start}
.soon .top{display:flex;align-items:center;gap:10px}
.soon .pm{width:28px;height:28px;border-radius:8px;background:var(--pc);opacity:.85}
.soon b{font-size:16px}
.soon p{font-size:14.5px;color:var(--ink-2)}

.lead-box{background:var(--accent-strong);color:#fff;border-radius:22px;padding:40px;display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start}
.lead-box h2{font-size:clamp(26px,3vw,36px)}
.lead-box > div > p{opacity:.88;margin-top:12px}
.lead-box ul{margin:18px 0 0;padding-left:20px;opacity:.9;display:grid;gap:4px}
.lead-form{background:var(--surface);color:var(--ink);border-radius:16px;padding:24px;display:grid;gap:12px}
.field{display:grid;gap:5px}
.field label{font-size:13px;font-weight:600;color:var(--ink-2)}
.input{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:10px;background:var(--surface)}
.input:focus{outline:2px solid var(--accent);outline-offset:0;border-color:transparent}
textarea.input{resize:vertical;min-height:84px}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--ink-2)}
.consent input{margin-top:3px;width:16px;height:16px;flex:none}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-msg{font-size:14px;padding:10px 12px;border-radius:10px}
.form-msg.ok{background:var(--ok-soft);color:var(--ok)}
.form-msg.bad{background:var(--bad-soft);color:var(--bad)}
@media (max-width:860px){.lead-box{grid-template-columns:1fr;padding:26px}}

.custom{border:1px solid var(--line);background:var(--surface);border-radius:20px;padding:30px;display:flex;gap:24px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.custom h2{font-size:clamp(20px,2.4vw,26px)}
.custom p{color:var(--ink-2);margin-top:8px;max-width:40em}

.foot{border-top:1px solid var(--line);padding-block:44px 32px;margin-top:72px;font-size:14.5px;background:var(--surface)}
.fgrid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:28px}
.fgrid h4{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);margin:0 0 12px;font-weight:600}
.fgrid a{display:block;text-decoration:none;color:var(--ink-2);padding:3px 0}
.fgrid a:hover{color:var(--ink)}
.fbottom{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:32px;padding-top:20px;border-top:1px solid var(--line);color:var(--ink-3);font-size:13px}
@media (max-width:760px){.fgrid{grid-template-columns:1fr 1fr}}

.doc{max-width:760px;padding-block:48px}
.doc h1{font-size:32px;margin-bottom:8px}
.doc h2{font-size:20px;margin:28px 0 8px}
.doc p,.doc li{color:var(--ink-2)}
.doc p + p{margin-top:10px}
.doc .todo{background:#FEF3C7;color:#92400E;border-radius:10px;padding:12px 14px;margin:16px 0}