:root{
  --blue:#009bff; --blue-d:#0086ed; --lime:#cee800; --ink:#25292e; --muted:#5b6570;
  --line:#e6eaee; --bg:#f4f7fa; --white:#fff; --ok:#1fb573;
  --shadow:0 10px 30px rgba(20,40,70,.10);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--white);line-height:1.5;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:1160px;margin:0 auto;padding:0 20px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:800;border:0;border-radius:12px;cursor:pointer;padding:15px 26px;font-size:16px;line-height:1;transition:.15s;white-space:nowrap}
.btn-lime{background:var(--lime);color:var(--ink)}
.btn-lime:hover{filter:brightness(1.05);transform:translateY(-1px)}
.btn-blue{background:var(--blue);color:#fff}
.btn-blue:hover{background:var(--blue-d)}
.btn-ghost{background:#fff;color:var(--blue);border:2px solid var(--blue)}

/* Header */
header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.hd{display:flex;align-items:center;justify-content:space-between;height:66px;gap:14px}
.logo{display:flex;align-items:center;gap:10px;font-weight:900;font-size:20px;letter-spacing:-.3px}
.logo b{color:var(--blue)}
.logo .dot{width:11px;height:11px;border-radius:50%;background:var(--lime);display:inline-block}
.hd-phone{display:flex;align-items:center;gap:18px}
.hd-phone a.tel{font-weight:900;font-size:18px;color:var(--ink)}
.hd-phone small{display:block;font-size:11px;color:var(--muted);font-weight:600}
.hd .btn{padding:11px 18px;font-size:14px}
.hd-phone a.tel{white-space:nowrap}
@media(max-width:760px){
  .hd{height:60px;gap:8px}
  .logo{font-size:16px;gap:7px}
  .hd-phone a.tel{font-size:15px}
  .hd-phone small{font-size:10px}
  .hd .btn{display:none}
}
@media(max-width:400px){.logo{font-size:14px}.hd-phone a.tel{font-size:14px}}

/* Hero */
.hero{background:
  radial-gradient(1200px 500px at 85% -10%, rgba(0,155,255,.18), transparent 60%),
  linear-gradient(180deg,#eef6ff, #f4f7fa);padding:56px 0 40px}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.badge{display:inline-flex;align-items:center;gap:8px;background:#e7f6ff;color:var(--blue-d);font-weight:800;font-size:13px;padding:7px 14px;border-radius:999px;margin-bottom:18px}
.hero h1{font-size:clamp(28px,4.4vw,46px);line-height:1.08;font-weight:900;letter-spacing:-.5px}
.hero h1 span{color:var(--blue)}
.hero p.sub{font-size:18px;color:var(--muted);margin:16px 0 22px;max-width:520px}
.usp{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:8px}
.usp li{list-style:none;background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 14px;font-weight:700;font-size:14px;display:flex;align-items:center;gap:8px;box-shadow:0 2px 8px rgba(20,40,70,.04)}
.usp li b{color:var(--blue)}

/* Form card */
.form-card{background:#fff;border-radius:20px;box-shadow:var(--shadow);padding:26px;border:1px solid var(--line)}
.form-card h3{font-size:22px;font-weight:900;margin-bottom:4px}
.form-card p.fl{color:var(--muted);font-size:14px;margin-bottom:16px}
.field{margin-bottom:12px}
.field label{display:block;font-size:13px;font-weight:700;color:var(--muted);margin-bottom:5px}
.field input,.field select{width:100%;border:1.6px solid var(--line);border-radius:11px;padding:13px 14px;font-size:15px;font-family:inherit;transition:.15s;background:#fff}
.field input:focus,.field select:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 3px rgba(0,155,255,.14)}
.field input.lefail{border-color:#ff5a5a;background:#fff6f6}
.form-card .btn{width:100%;margin-top:6px;padding:16px}
.priv{font-size:12px;color:var(--muted);text-align:center;margin-top:10px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}

/* Sections */
section{padding:56px 0}
.sec-h{text-align:center;max-width:720px;margin:0 auto 34px}
.sec-h h2{font-size:clamp(24px,3.4vw,34px);font-weight:900;letter-spacing:-.4px}
.sec-h p{color:var(--muted);font-size:17px;margin-top:10px}

/* Benefits */
.bnf{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.bnf .c{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;transition:.15s}
.bnf .c:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.bnf .ic{width:48px;height:48px;border-radius:12px;background:#e7f6ff;display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:14px}
.bnf h4{font-size:17px;font-weight:800;margin-bottom:6px}
.bnf p{color:var(--muted);font-size:14px}

/* Tariffs */
#tariffs{background:var(--bg)}
.tars{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.tar{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px 22px;display:flex;flex-direction:column;position:relative;transition:.15s}
.tar:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:#cfe6ff}
.tar.hot{border:2px solid var(--blue)}
.tar .tag{position:absolute;top:-11px;left:22px;background:var(--lime);color:var(--ink);font-weight:800;font-size:11px;padding:5px 11px;border-radius:999px}
.tar h4{font-size:20px;font-weight:900;margin-bottom:4px}
.tar .spd{color:var(--blue);font-weight:800;font-size:15px;margin-bottom:14px}
.tar ul{list-style:none;margin-bottom:16px;flex:1}
.tar ul li{font-size:14px;color:var(--muted);padding:6px 0 6px 24px;position:relative}
.tar ul li:before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:900}
.tar .price{font-size:30px;font-weight:900;line-height:1}
.tar .price small{font-size:14px;color:var(--muted);font-weight:600}
.tar .old{color:#9aa4ae;text-decoration:line-through;font-size:14px;font-weight:600;margin-bottom:14px;display:block;margin-top:4px}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:s}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px 24px}
.step:before{counter-increment:s;content:counter(s);position:absolute;top:-16px;left:24px;width:44px;height:44px;border-radius:50%;background:var(--blue);color:#fff;font-weight:900;font-size:20px;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 14px rgba(0,155,255,.35)}
.step h4{margin:10px 0 6px;font-size:18px;font-weight:800}
.step p{color:var(--muted);font-size:14px}

/* CTA band */
.cta{background:linear-gradient(120deg,var(--blue),#0071d6);color:#fff;border-radius:22px;padding:40px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta h3{font-size:26px;font-weight:900;max-width:560px}
.cta p{opacity:.9;margin-top:8px}

/* FAQ */
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:0 20px;margin-bottom:12px}
.faq summary{cursor:pointer;list-style:none;padding:18px 0;font-weight:800;font-size:16px;display:flex;justify-content:space-between;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";font-size:24px;color:var(--blue);font-weight:400}
.faq details[open] summary:after{content:"–"}
.faq details p{color:var(--muted);font-size:15px;padding:0 0 18px}

/* Cities */
.cities{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:8px}
.cities span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 16px;font-weight:700;font-size:14px;color:var(--muted)}

/* SEO prose */
.seo-prose h2{font-size:clamp(22px,3vw,30px);font-weight:900;margin-bottom:14px;letter-spacing:-.3px}
.seo-prose h3{font-size:19px;font-weight:800;margin:24px 0 8px}
.seo-prose p{color:var(--muted);font-size:15px;margin-bottom:12px;line-height:1.65}
.seo-prose b{color:var(--ink)}

/* Footer */
footer{background:var(--ink);color:#c7d0d8;padding:44px 0 26px;font-size:14px}
.ft-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px;margin-bottom:26px}
footer .logo{color:#fff}
footer a:hover{color:#fff}
footer h5{color:#fff;font-size:15px;margin-bottom:12px}
footer li{list-style:none;padding:4px 0}
.ft-bot{border-top:1px solid #3a444d;padding-top:18px;font-size:12px;color:#8a95a0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
.partner{font-size:12px;color:#8a95a0;margin-top:8px}

@media(max-width:960px){
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .bnf,.tars{grid-template-columns:repeat(2,1fr)}
  .steps,.ft-grid{grid-template-columns:1fr}
}
@media(max-width:560px){
  .bnf,.tars,.row2{grid-template-columns:1fr}
  section{padding:42px 0}
  .cta{padding:28px 22px}
  .hero{padding:36px 0 28px}
}

/* thank-you overlay */
#ok{position:fixed;inset:0;background:rgba(15,25,40,.55);display:none;align-items:center;justify-content:center;z-index:100;padding:20px}
#ok .box{background:#fff;border-radius:20px;padding:38px 30px;max-width:420px;text-align:center;box-shadow:var(--shadow)}
#ok .ic{width:70px;height:70px;border-radius:50%;background:#e9f9f1;color:var(--ok);font-size:38px;display:flex;align-items:center;justify-content:center;margin:0 auto 16px}
#ok h3{font-size:22px;font-weight:900;margin-bottom:8px}
#ok p{color:var(--muted);margin-bottom:18px}
/* breadcrumbs (inner pages) */
.crumbs{font-size:13px;color:var(--muted);margin-bottom:14px;font-weight:600}
.crumbs a{color:var(--blue)}
.crumbs span{color:var(--muted)}

/* main nav */
.mainnav{display:flex;gap:20px;align-items:center;margin:0 auto}
.mainnav a{font-weight:700;font-size:15px;color:var(--ink);white-space:nowrap;transition:.15s}
.mainnav a:hover{color:var(--blue)}
.burger{display:none;background:none;border:0;font-size:26px;cursor:pointer;color:var(--ink);line-height:1;padding:2px 6px}
@media(max-width:900px){
  .mainnav{position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0;padding:6px 0;display:none;box-shadow:var(--shadow);z-index:50}
  .mainnav.open{display:flex}
  .mainnav a{padding:13px 20px;border-bottom:1px solid var(--line)}
  .mainnav a:last-child{border-bottom:0}
  .burger{display:block}
}