:root{
  --light:#fff; --gray:#c1c1c1; --accent:#ea5b0c;
  --primary:#5483fc; --secondary:#4c53f3; --bg:#0a1623;
  --bg-2:#0c1c30; --line:rgba(132,168,255,.14);
  --glass:rgba(132,168,255,.05);
  --font:"Golos Text",sans-serif; --mono:"JetBrains Mono",monospace;
  --maxw:1400px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg); color:var(--light); font-family:var(--font);
  line-height:1.5; overflow-x:hidden; -webkit-font-smoothing:antialiased;
}
/* ---------- atmosphere ---------- */
.aurora{position:fixed;inset:0;z-index:-2;overflow:hidden;background:var(--bg)}
.aurora span{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5;animation:drift 22s ease-in-out infinite}
.aurora span:nth-child(1){width:48vw;height:48vw;left:-10vw;top:-12vw;background:radial-gradient(circle,#5483fc,transparent 70%)}
.aurora span:nth-child(2){width:42vw;height:42vw;right:-8vw;top:14vw;background:radial-gradient(circle,#4c53f3,transparent 70%);animation-delay:-7s}
.aurora span:nth-child(3){width:34vw;height:34vw;left:24vw;top:60vw;background:radial-gradient(circle,#ea5b0c,transparent 70%);opacity:.22;animation-delay:-13s}
@keyframes drift{0%,100%{transform:translate(0,0) scale(1)}33%{transform:translate(6vw,4vw) scale(1.1)}66%{transform:translate(-4vw,6vw) scale(.95)}}
.grid-overlay{position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000,transparent 75%)}
.noise{position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 clamp(24px,4vw,56px)}
.mono{font-family:var(--mono)}
.dot::before{content:".";color:var(--primary);font-family:var(--mono);font-weight:700}
.eyebrow{font-family:var(--mono);font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--primary);margin-bottom:18px;display:flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:28px;height:1px;background:var(--primary)}
h2.title{font-size:clamp(28px,4vw,46px);font-weight:800;letter-spacing:-.02em;line-height:1.05;margin-bottom:14px}
.section{padding:clamp(40px,5vw,66px) 0;position:relative}
.lead{color:var(--gray);font-size:18px;max-width:620px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:700;
  font-size:16px;padding:15px 28px;border-radius:12px;border:2px solid var(--primary);
  cursor:pointer;transition:.22s;text-decoration:none;white-space:nowrap}
.btn--fill{background:var(--primary);color:#06101d;border-color:var(--primary)}
.btn--fill:hover{background:#6f99ff;border-color:#6f99ff;transform:translateY(-2px);box-shadow:0 14px 34px rgba(84,131,252,.4)}
.btn--ghost{background:transparent;color:var(--primary)}
.btn--ghost:hover{background:rgba(84,131,252,.12);transform:translateY(-2px)}

/* ---------- header ---------- */
header{position:fixed;top:0;left:0;right:0;z-index:50;transition:.3s}
header.scrolled{background:rgba(8,17,29,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:18px clamp(24px,4vw,56px);max-width:var(--maxw);margin:0 auto}
.logo{display:inline-block;font-weight:900;font-size:18px;line-height:1.05;letter-spacing:-.01em;color:var(--light);text-decoration:none;transition:opacity .2s}
.logo:hover{opacity:.85}
.logo span{color:var(--primary)}
a.logo,a.logo:visited{color:var(--light)}
.nav-links{display:flex;gap:30px;list-style:none}
.nav-links a{color:var(--gray);text-decoration:none;font-family:var(--mono);font-size:14px;transition:.2s}
.nav-links a:hover{color:var(--light)}
@media(max-width:880px){.nav-links{display:none}}

/* ---------- hero ---------- */
.hero{min-height:100vh;display:flex;align-items:center;padding-top:90px;position:relative}
.hero h1,.hero .htitle{font-size:clamp(34px,6.4vw,80px);font-weight:900;line-height:.98;letter-spacing:-.03em}
.hero h1 .sub,.hero .htitle .sub{display:block;font-size:clamp(15px,1.6vw,22px);font-weight:500;color:var(--primary);font-family:var(--mono);margin:6px 0 26px;letter-spacing:0}
.hero .split{display:grid;grid-template-columns:1fr auto 1fr;gap:32px;align-items:center;margin-bottom:30px}
.hero .col-r{text-align:right}
.vline{width:1px;align-self:stretch;background:linear-gradient(180deg,transparent,var(--primary),transparent);position:relative}
.vline::before,.vline::after{content:"";position:absolute;left:50%;width:7px;height:7px;border-radius:50%;background:var(--primary);transform:translateX(-50%)}
.vline::before{top:0}.vline::after{bottom:0}
@media(max-width:760px){.hero .split{grid-template-columns:1fr;gap:10px}.vline{height:1px;width:60%;margin:6px 0;background:linear-gradient(90deg,transparent,var(--primary),transparent)}.hero .col-r{text-align:left}}
.hero-value{color:var(--gray);font-size:19px;max-width:600px;margin-bottom:32px}
.hero-value b{color:var(--light)}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:30px}
.trust{display:flex;gap:14px;flex-wrap:wrap}
.trust .chip{font-family:var(--mono);font-size:13px;color:var(--gray);border:1px solid var(--line);
  border-radius:999px;padding:8px 15px;background:var(--glass);display:flex;align-items:center;gap:8px}
.trust .chip b{color:var(--primary);font-weight:700}

/* ---------- cards generic ---------- */
.cards{display:grid;gap:18px;margin-top:28px}
.g4{grid-template-columns:repeat(4,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
@media(max-width:980px){.g4{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:1fr}}
@media(max-width:560px){.g4{grid-template-columns:1fr}}
.card{--mx:50%;--my:50%;background:var(--glass);border:1px solid var(--line);border-radius:18px;padding:26px;transition:.25s;position:relative;overflow:hidden}
.card::before{content:"";position:absolute;inset:0;border-radius:18px;pointer-events:none;opacity:0;transition:opacity .25s;z-index:0;
  background:radial-gradient(260px circle at var(--mx) var(--my),rgba(84,131,252,.20),transparent 60%)}
.card:hover::before{opacity:1}
.card>*{position:relative;z-index:1}
.card::after{content:"";position:absolute;inset:0;border-radius:18px;padding:1px;background:linear-gradient(140deg,var(--primary),transparent 40%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:.25s}
.card:hover{transform:translateY(-6px);background:rgba(132,168,255,.09)}
.card:hover::after{opacity:1}
.card .ic{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(84,131,252,.16);color:var(--primary);font-family:var(--mono);font-weight:700;font-size:20px;margin-bottom:18px}
.card h3{font-size:20px;font-weight:700;margin-bottom:10px}
.card p{color:var(--gray);font-size:14.5px}

/* ---------- tariffs ---------- */
.utp{display:inline-flex;gap:10px;align-items:center;font-family:var(--mono);font-size:14px;color:var(--gray);
  border:1px dashed rgba(84,131,252,.5);border-radius:12px;padding:12px 18px;margin-top:8px}
.utp b{color:var(--light)}
.tcard{display:flex;flex-direction:column}
.tcard.feat{border-color:var(--primary);box-shadow:0 0 0 1px var(--primary),0 18px 50px rgba(84,131,252,.22);background:rgba(84,131,252,.10)}
.tcard .badge{position:absolute;top:18px;right:18px;font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.08em;background:var(--primary);color:#06101d;border-radius:999px;padding:4px 11px;font-weight:700}
.tcard h3{font-size:22px}
.tcard .psub{color:var(--gray);font-size:14px;margin-bottom:16px}
.tcard .price{font-size:34px;font-weight:900;letter-spacing:-.02em}
.tcard .price small{font-size:15px;font-weight:600;color:var(--gray)}
.ladder{list-style:none;margin:16px 0 6px}
.ladder li{display:flex;justify-content:space-between;padding:7px 0;border-bottom:1px solid var(--line);font-family:var(--mono);font-size:14px}
.ladder .save{color:#46d39a;margin-left:8px}
.feats{list-style:none;margin:16px 0 22px;display:flex;flex-direction:column;gap:9px}
.feats li{color:var(--gray);font-size:14px;padding-left:22px;position:relative}
.feats li::before{content:"→";position:absolute;left:0;color:var(--primary);font-family:var(--mono)}
.tcard .btn{margin-top:auto}

/* calculator */
.calc{margin-top:22px;background:linear-gradient(160deg,rgba(84,131,252,.12),var(--glass));
  border:1px solid var(--line);border-radius:20px;padding:30px}
.calc-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:34px;align-items:center}
@media(max-width:760px){.calc-grid{grid-template-columns:1fr;gap:24px}}
.calc h3{font-size:20px;margin-bottom:6px}
.calc .hint{color:var(--gray);font-size:14px;margin-bottom:22px}
.calc .hours{font-family:var(--mono);font-size:48px;font-weight:700;color:var(--primary);line-height:1}
.calc .hours small{font-size:18px;color:var(--gray)}
input[type=range]{-webkit-appearance:none;width:100%;height:6px;border-radius:6px;margin-top:22px;
  background:linear-gradient(90deg,var(--primary) var(--p,15%),rgba(132,168,255,.18) var(--p,15%))}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:24px;height:24px;border-radius:50%;
  background:var(--primary);border:4px solid #0a1623;box-shadow:0 0 0 1px var(--primary),0 6px 16px rgba(84,131,252,.6);cursor:pointer}
.calc-out{text-align:center;background:rgba(6,16,29,.5);border:1px solid var(--line);border-radius:16px;padding:24px}
.calc-out .rate{font-size:40px;font-weight:900}
.calc-out .rate small{font-size:16px;color:var(--gray);font-weight:600}
.calc-out .disc{display:inline-block;margin:8px 0;font-family:var(--mono);font-size:13px;color:#46d39a;border:1px solid rgba(70,211,154,.4);border-radius:999px;padding:3px 12px}
.calc-out .total{color:var(--gray);font-size:15px;margin-top:6px}
.calc-out .total b{color:var(--light);font-size:20px}

/* ---------- tabs (cases) ---------- */
.tabs-head{display:flex;gap:10px;flex-wrap:wrap;margin:28px 0 26px}
.tab-btn{font-family:var(--mono);font-size:14px;color:var(--gray);background:var(--glass);border:1px solid var(--line);
  border-radius:10px;padding:10px 18px;cursor:pointer;transition:.2s;display:flex;align-items:center;gap:8px}
.tab-btn .tg{font-size:11px;font-weight:700;border-radius:5px;padding:2px 6px;background:rgba(84,131,252,.2);color:var(--primary)}
.tab-btn.active{color:var(--light);border-color:var(--primary);background:rgba(84,131,252,.14)}
.tab-pane{display:none;animation:fade .4s ease}
.tab-pane.active{display:grid}
@keyframes fade{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.case{background:var(--glass);border:1px solid var(--line);border-radius:16px;padding:24px;transition:.25s}
.case:hover{transform:translateY(-4px);border-color:rgba(84,131,252,.4)}
.case .role{display:inline-block;font-family:var(--mono);font-size:11px;font-weight:700;border-radius:5px;padding:3px 8px;background:rgba(234,91,12,.16);color:var(--accent);margin-bottom:12px}
.case h4{font-size:17px;margin-bottom:8px}
.case p{color:var(--gray);font-size:14px;margin-bottom:10px}
.case .res{font-size:13px;color:var(--primary);font-family:var(--mono)}

/* ---------- metrics ---------- */
.why-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center}
@media(max-width:880px){.why-grid{grid-template-columns:1fr}}
.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px}
.metric{background:var(--glass);border:1px solid var(--line);border-radius:16px;padding:22px;text-align:center}
.metric .n{font-size:46px;font-weight:900;color:var(--primary);line-height:1;font-family:var(--mono)}
.metric .n .plus{color:var(--accent)}
.metric .k{color:var(--gray);font-size:13px;margin-top:8px}
.why-text p{color:var(--gray);font-size:16px;margin-bottom:16px}
.why-text b{color:var(--light)}
.badges{display:flex;gap:12px;flex-wrap:wrap;margin-top:8px}
.kbadge{font-family:var(--mono);font-size:13px;border:1px solid var(--line);border-radius:10px;padding:9px 14px;background:var(--glass);display:flex;align-items:center;gap:8px}
.kbadge .gp{color:#ffd27a}

/* ---------- blog ---------- */
.blog-card{display:flex;flex-direction:column;overflow:hidden;padding:0}
.blog-card .ph{height:160px;background:linear-gradient(135deg,#16335e,#0c1c30);position:relative;overflow:hidden}
.blog-card .ph::after{content:"</>";position:absolute;right:14px;bottom:10px;font-family:var(--mono);font-size:40px;color:rgba(84,131,252,.3);font-weight:700}
.blog-card .bc{padding:22px;display:flex;flex-direction:column;flex:1}
.blog-card h4{font-size:17px;margin-bottom:10px}
.blog-card .date{margin-top:auto;font-family:var(--mono);font-size:12px;color:var(--gray)}

/* ---------- contacts ---------- */
.contact-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:24px;margin-top:40px}
@media(max-width:880px){.contact-grid{grid-template-columns:1fr}}
form.cform{background:var(--glass);border:1px solid var(--line);border-radius:20px;padding:30px;display:flex;flex-direction:column;gap:14px}
form.cform input,form.cform textarea{background:rgba(6,16,29,.5);border:1px solid var(--line);border-radius:12px;
  padding:14px 16px;color:var(--light);font-family:var(--font);font-size:15px;width:100%}
form.cform textarea{min-height:110px;resize:vertical}
form.cform input:focus,form.cform textarea:focus{outline:none;border-color:var(--primary)}
.msgs{display:flex;flex-direction:column;gap:14px}
.msg{display:flex;align-items:center;gap:16px;background:var(--glass);border:1px solid var(--line);border-radius:16px;padding:20px;text-decoration:none;transition:.22s}
.msg:hover{transform:translateX(6px);border-color:var(--primary)}
.msg .mi{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-weight:700;color:#06101d}
.msg.wa .mi{background:#25d366}.msg.tg .mi{background:#2aabee}
.msg .mt{color:var(--light);font-weight:700}.msg .ms{color:var(--gray);font-size:13px}
.geo{margin-top:18px;font-family:var(--mono);font-size:14px;color:var(--gray);display:flex;align-items:center;gap:10px}
.geo b{color:var(--light)}

footer{border-top:1px solid var(--line);padding:34px 0;text-align:center;color:var(--gray);font-family:var(--mono);font-size:13px}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:.7s cubic-bezier(.22,1,.36,1)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .aurora span{animation:none}
  html{scroll-behavior:auto}
}
.cert-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.cert-thumb{display:block;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--glass);transition:.2s}
.cert-thumb:hover{transform:translateY(-3px);border-color:var(--primary)}
.cert-thumb img{display:block;width:120px;height:90px;object-fit:cover}

/* blog page */
.blog-page{padding-top:120px}
.blog-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:28px}
@media(max-width:760px){.blog-list{grid-template-columns:1fr}}
.blog-post{display:flex;flex-direction:column;gap:10px}
.blog-post h2{font-size:20px;font-weight:700;line-height:1.2}
.blog-post h2 a{color:var(--light);text-decoration:none}
.blog-post h2 a:hover{color:var(--primary)}
.blog-post .preview_picture,.blog-post img{max-width:100%;height:auto;border-radius:12px}
.blog-post__date,.blog-post__views{font-size:12px;color:var(--gray)}
.blog-post__text{color:var(--gray);font-size:14.5px;line-height:1.5}
.blog-post .btn{align-self:flex-start;margin-top:6px}
.article{max-width:1100px;margin:0 auto}
.comments{max-width:1100px;margin:30px auto 50px;padding:0 clamp(24px,4vw,56px)}
#vk_comments{margin-top:10px}
.article__title{font-size:clamp(26px,4vw,40px);font-weight:800;letter-spacing:-.02em;margin-bottom:10px}
.article__date{font-size:13px;color:var(--gray);margin-bottom:24px}
.article__body{color:#eaf0fa;font-size:17px;line-height:1.75}
.article__body img{max-width:100%;height:auto;border-radius:12px;margin:18px 0}
.article__body h2,.article__body h3{margin:26px 0 10px;color:#fff}
.article__body a{color:var(--primary)}
.article__body p{margin:0 0 16px}
/* code blocks in article */
.article__body pre{background:#0b1827;border:1px solid var(--line);border-radius:12px;padding:18px 20px;margin:18px 0;overflow-x:auto;font-family:var(--mono);font-size:13.5px;line-height:1.6;color:#cfe0ff;-webkit-overflow-scrolling:touch}
.article__body code{font-family:var(--mono);font-size:.92em;background:rgba(132,168,255,.14);color:#cfe0ff;padding:.12em .42em;border-radius:6px}
.article__body pre code{background:none;padding:0;border-radius:0;color:inherit;font-size:inherit}
.blog-nav,.modern-page-navigation{margin-top:28px;display:flex;gap:8px;flex-wrap:wrap;font-family:var(--mono)}
.blog-nav a,.modern-page-navigation a,.modern-page-navigation span{color:var(--gray);border:1px solid var(--line);border-radius:8px;padding:6px 12px;text-decoration:none}
.modern-page-current{color:#fff;border-color:var(--primary);background:rgba(84,131,252,.14)}
/* form: text captcha + status */
.cform__captcha{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.cform__cap-q{font-size:14px;color:var(--gray)}
.cform__captcha input[name=captcha_word]{flex:1;min-width:120px}
.cform__status{font-size:14px;min-height:18px}
.cform__status.is-ok{color:#46d39a}
.cform__status.is-err{color:#ff8a8a}

/* links: no underline + visited must not turn purple / blend on dark */
a{text-decoration:none}
a:visited{color:inherit}
.nav-links a,.nav-links a:visited{color:var(--gray)}
/* homepage blog teaser cards (card is an <a>) */
.blog-card,.blog-card:visited{color:var(--light);text-decoration:none}
.blog-card h4{color:var(--light)}
.blog-card .date{color:var(--gray)}
.blog-card:hover h4{color:var(--primary)}
/* blog list + article links */
.blog-post h2 a,.blog-post h2 a:visited{color:var(--light)}
.blog-post h2 a:hover{color:var(--primary)}
.article__body a,.article__body a:visited{color:var(--primary)}
.article__body a:hover{text-decoration:underline}

/* blog pagination (bootstrap pager markup) */
.pagination{list-style:none;display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding:0;margin:28px 0 0;font-family:var(--mono);font-size:14px}
.pagination li,.page-item{list-style:none}
.pagination>b,.pagination .modern-page-title{color:var(--gray);margin-right:4px}
.page-link{display:inline-flex;align-items:center;justify-content:center;min-width:38px;height:38px;padding:0 12px;color:var(--gray);background:var(--glass);border:1px solid var(--line);border-radius:8px;text-decoration:none;transition:.2s}
.page-link:hover{color:#fff;border-color:var(--primary)}
.page-item.active .page-link{color:#fff;background:rgba(84,131,252,.18);border-color:var(--primary)}
.page-item.disabled .page-link{opacity:.4;pointer-events:none}

/* blog filter (catalog.filter, bootstrap input-group) */
.input-group{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:16px 0}
.input-group-prepend .input-group-text{font-family:var(--mono);font-size:14px;color:var(--gray);background:transparent;border:0;padding:0 4px 0 0}
.input-group .form-control,.input-group input[type=text]{background:rgba(6,16,29,.5);border:1px solid var(--line);border-radius:10px;color:var(--light);padding:11px 14px;font-family:var(--font);font-size:15px;min-width:180px}
.input-group .form-control:focus,.input-group input[type=text]:focus{outline:none;border-color:var(--primary)}
.input-group input[type=submit]{cursor:pointer;border-radius:10px;padding:11px 18px;font-weight:700;font-size:14px;font-family:var(--font);transition:.2s}
.input-group input.btn-primary{background:var(--primary);color:#06101d;border:2px solid var(--primary)}
.input-group input.btn-primary:hover{background:#6f99ff;border-color:#6f99ff}
.input-group input.btn-outline-dark{background:transparent;color:var(--primary);border:2px solid var(--primary)}
.input-group input.btn-outline-dark:hover{background:rgba(84,131,252,.12)}

/* blog tag cloud */
.search-tags-cloud{display:flex;flex-wrap:wrap;gap:8px 10px;margin-top:18px;line-height:1.8}
.search-tags-cloud a{text-decoration:none;color:var(--gray)!important;border:1px solid var(--line);border-radius:999px;padding:4px 12px;transition:.2s}
.search-tags-cloud a:hover{border-color:var(--primary);color:#fff!important}
.search-tags-chain{margin:10px 0;color:var(--gray);font-family:var(--mono);font-size:13px}
.search-tags-chain a{color:var(--primary);text-decoration:none}