:root{--ink:#121923;--muted:#52606f;--blue:#1554ad;--blue-dark:#0e3f86;--accent:#3f83f8;--paper:#f3f5f7;--line:#cdd4dc;--white:#fff;--dark:#0e1927;--mono:"IBM Plex Mono",monospace;--sans:"Manrope",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;background:#fff;color:var(--ink);font:16px/1.55 var(--sans);overflow-x:hidden}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button,a,input,textarea,summary{outline-offset:3px}:focus-visible{outline:3px solid var(--blue)}img,svg{display:block;max-width:100%;height:auto}.container{width:min(1320px,calc(100% - 48px));margin-inline:auto}
.topbar{background:var(--dark);color:#f4f7fb;font-size:13px}.topbar .container{min-height:36px;display:flex;align-items:center;justify-content:space-between;gap:20px}.phone{font-family:var(--mono);font-weight:600;white-space:nowrap}.head-main{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-block:18px}.logo{display:inline-flex;align-items:center;gap:10px;width:max-content;font-size:25px;font-weight:800;letter-spacing:-1.2px}.logo b{color:var(--blue)}.logo-mark{position:relative;width:35px;height:35px;background:var(--accent);border:2px solid var(--ink);box-shadow:3px 3px 0 var(--ink)}.logo-mark:before{content:"";position:absolute;left:8px;top:6px;width:11px;height:17px;border-left:5px solid var(--ink);border-bottom:5px solid var(--ink)}
.main-nav{border-block:1px solid var(--line);background:#fff}.main-nav .container{display:flex;align-items:center;gap:34px;min-height:45px}.main-nav a{font-size:14px;font-weight:700;padding:11px 0;border-bottom:3px solid transparent}.main-nav a:hover{border-color:var(--accent);color:var(--blue)}.menu-btn{display:none;width:44px;height:40px;padding:8px;border:2px solid var(--ink);background:#fff}.menu-btn span{display:block;height:2px;background:var(--ink);margin:4px 0}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:11px 20px;border:2px solid var(--ink);border-radius:4px;background:var(--accent);color:var(--ink);font-weight:800;cursor:pointer;text-align:center}.btn.blue{background:var(--blue);border-color:var(--blue);color:#fff}.btn.blue:hover{background:var(--blue-dark)}.btn.secondary{background:#fff}.btn.secondary:hover{background:#f4f6f8}.section{padding-block:72px}.section.alt{background:var(--paper);border-block:1px solid var(--line)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:28px}.section-head>p{max-width:480px;margin:0;color:var(--muted)}.section-kicker{font:600 12px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--blue);margin:0 0 7px}h1{font-size:clamp(38px,4.2vw,62px);line-height:1.08;letter-spacing:-.045em;margin:0 0 22px}h2{font-size:clamp(29px,3vw,42px);line-height:1.15;letter-spacing:-.035em;margin:0}h3{line-height:1.3}.intro{max-width:1010px;margin:0;color:#344255;font-size:18px;line-height:1.7}.actions{display:flex;flex-wrap:wrap;gap:12px}
.breadcrumbs{border-bottom:1px solid var(--line);background:#f8fafc}.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:11px 0;font-size:12px;color:var(--muted)}.breadcrumbs li:not(:last-child):after{content:"/";margin-left:8px;color:#9aa7b5}.breadcrumbs a{text-decoration:underline;text-underline-offset:2px}
.faq-list{border-top:2px solid var(--ink)}details.faq{border-bottom:1px solid var(--line)}.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:20px;padding:21px 4px;font-weight:800}.faq summary::-webkit-details-marker{display:none}.faq summary h3{font-size:18px;margin:0}.faq summary:after{content:"+";display:grid;place-items:center;width:30px;height:30px;flex:0 0 auto;background:var(--accent);border:1px solid var(--ink);font:600 21px var(--mono)}.faq[open] summary:after{content:"−"}.faq p{max-width:850px;margin:-5px 50px 22px 4px;color:var(--muted)}
.calc{background:var(--dark);color:#fff}.calc .section-kicker{color:var(--accent)}.calc-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:50px;align-items:start}.calc-intro>p:last-child{color:#d2dce7;margin:18px 0 0;max-width:390px}.calc-form{background:#fff;color:var(--ink);padding:26px;border:2px solid #fff;box-shadow:8px 8px 0 var(--accent)}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px}.field{min-width:0}.field.full{grid-column:1/-1}.field label{display:block;font-size:13px;font-weight:800;margin-bottom:6px}.field input,.field textarea{display:block;width:100%;border:1px solid #8996a5;border-radius:3px;padding:11px 12px}.field input{height:45px}.field textarea{min-height:105px;resize:vertical}.consent{display:flex;align-items:flex-start;gap:9px;font-size:13px;color:#465569;margin:18px 0}.consent input{width:17px;height:17px;flex:0 0 auto;accent-color:var(--blue)}.calc-form .btn{width:100%}.trap{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}
.footer{background:#09121d;color:#f5f7fa;padding:32px 0;border-top:1px solid #354254}.footer-grid{display:grid;grid-template-columns:1fr auto;gap:28px}.footer-brand{font-size:18px;font-weight:800}.footer p{margin:4px 0;color:#c9d3de;font-size:14px}.footer a{color:#fff;text-decoration:underline}.footer-contacts{text-align:right}
@media(max-width:1050px){.menu-btn{display:block}.header-btn{margin-left:auto}.main-nav{display:none}.menu-open .main-nav{display:block}.menu-open .main-nav .container{display:grid;padding-block:8px}.menu-open .main-nav a{padding:8px 0}}
@media(max-width:650px){.container{width:calc(100% - 28px)}.topbar .container>span:first-child{display:none}.topbar .container{justify-content:flex-end}.head-main{padding-block:14px;gap:13px}.logo{font-size:21px}.logo-mark{width:31px;height:31px}.header-btn{display:none}.section{padding-block:48px}.section-head{display:block;margin-bottom:22px}.section-head>p{margin-top:12px}h1{font-size:34px}.calc-layout{grid-template-columns:1fr;gap:28px}.calc-form{padding:18px;box-shadow:5px 5px 0 var(--accent)}.form-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-contacts{text-align:left}}