/* Общие стили публичных статей (/blog/...). Цвета и кнопки повторяют лендинг
   (index.html), чтобы статья выглядела частью того же сайта. */
:root{
  --bg:#f5f7fb;--surface:#fff;--ink:#101322;--text:#2b3142;--muted:#667085;--line:#e3e7ef;
  --navy:#11162f;--blue:#2962ff;--blue-2:#534cff;--green:#11a861;--max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(calc(100% - 40px),var(--max));margin:0 auto}

.header{position:sticky;top:0;z-index:50;padding:12px 0;background:rgba(245,247,251,.86);backdrop-filter:blur(16px);border-bottom:1px solid rgba(227,231,239,.85)}
.nav{display:flex;align-items:center;gap:22px;min-height:48px}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;letter-spacing:-.02em;font-size:19px;white-space:nowrap}
.logo{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;color:#fff;font-weight:900;font-size:14px;background:linear-gradient(145deg,var(--blue),#684bff);box-shadow:0 8px 20px rgba(64,76,255,.28)}
.links{display:flex;align-items:center;gap:22px;margin-left:auto}
.links a{font-size:14px;font-weight:700;color:#5d6678}
.links a:hover{color:var(--ink)}
.nav-actions{display:flex;align-items:center;gap:9px}
.btn{min-height:44px;border-radius:12px;padding:0 17px;display:inline-flex;align-items:center;justify-content:center;gap:9px;border:1px solid transparent;font-size:14px;font-weight:800;cursor:pointer;transition:transform .2s,box-shadow .2s}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:linear-gradient(135deg,var(--blue),var(--blue-2));color:#fff;box-shadow:0 10px 26px rgba(46,79,255,.27)}
.btn-ghost{background:#fff;border-color:var(--line);color:#202637}

.crumbs{padding:26px 0 0;font-size:13px;color:var(--muted);font-weight:600}
.crumbs a{color:#475067}
.crumbs a:hover{color:var(--blue)}
.crumbs span{margin:0 7px;color:#a3abbb}

.article-wrap{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:44px;align-items:start;padding:20px 0 80px}
.article{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:44px 48px;box-shadow:0 12px 36px rgba(30,42,90,.06);min-width:0}
.article h1{font-size:clamp(30px,4vw,44px);line-height:1.1;letter-spacing:-.035em;margin:0 0 16px}
.article .meta{font-size:13px;color:var(--muted);font-weight:600;margin-bottom:26px}
.article .intro{font-size:19px;line-height:1.6;color:#3a4156;margin:0 0 26px}
.article h2{font-size:27px;line-height:1.2;letter-spacing:-.025em;margin:42px 0 14px}
.article h3{font-size:19px;line-height:1.3;letter-spacing:-.015em;margin:28px 0 10px}
.article p,.article li{font-size:16.5px;line-height:1.7;color:var(--text)}
.article p{margin:0 0 16px}
.article ul,.article ol{margin:0 0 18px;padding-left:24px}
.article li{margin-bottom:8px}
.article a{color:var(--blue);font-weight:650}
.article a:hover{text-decoration:underline}
.article strong{color:var(--ink)}
.article code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em;background:#f0f3fa;border-radius:6px;padding:2px 6px}
.article figure{margin:26px 0}
.article figure img{border-radius:14px;border:1px solid var(--line);height:auto}
.article figcaption{font-size:13px;color:var(--muted);margin-top:9px}

.note{border-left:4px solid var(--blue);background:#f1f5ff;border-radius:0 12px 12px 0;padding:16px 18px;margin:22px 0}
.note p{margin:0;font-size:15.5px}
.nums{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:26px 0}
.nums div{border:1px solid var(--line);border-radius:14px;padding:16px 18px;background:#fafbfe}
.nums b{display:block;font-size:26px;letter-spacing:-.03em;color:var(--ink);margin-bottom:4px}
.nums span{font-size:13.5px;color:var(--muted);line-height:1.45;display:block}

.table-scroll{overflow-x:auto;margin:22px 0;border:1px solid var(--line);border-radius:14px}
.article table{border-collapse:collapse;width:100%;min-width:520px;font-size:15px}
.article th,.article td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top;line-height:1.5;color:var(--text)}
.article th{background:#f6f8fc;font-weight:800;color:var(--ink);font-size:14px}
.article tr:last-child td{border-bottom:0}

.faq h3{margin-top:22px}
.cta{margin:40px 0 0;padding:30px 30px;border-radius:18px;background:var(--navy);color:#fff}
.cta h2{margin:0 0 10px;color:#fff;font-size:25px}
.cta p{color:#c5cbe3;margin:0 0 18px}
.cta .btn-primary{color:#fff}
.cta a.btn:hover{text-decoration:none}

.side{position:sticky;top:96px;display:grid;gap:16px}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:22px}
.side-card p{font-size:14px;line-height:1.55;color:var(--muted);margin:0 0 14px}
.side-card .side-title{margin:0 0 12px;font-size:15px;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.side-card ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.side-card li a{font-size:14px;line-height:1.4;color:#2f3750;font-weight:650}
.side-card li a:hover{color:var(--blue)}
.side-card .btn{width:100%}

.blog-head{padding:44px 0 8px}
.blog-head h1{font-size:clamp(32px,4.4vw,48px);line-height:1.08;letter-spacing:-.04em;margin:0 0 14px}
.blog-head p{font-size:18px;line-height:1.6;color:var(--muted);max-width:720px;margin:0}
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;padding:30px 0 80px}
.card{display:block;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:26px;transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(30,42,90,.09)}
.card small{font-size:12px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;color:var(--blue)}
.card h2{font-size:21px;line-height:1.25;letter-spacing:-.02em;margin:10px 0 10px}
.card p{font-size:15px;line-height:1.6;color:var(--muted);margin:0}

footer{border-top:1px solid var(--line);padding:26px 0;background:#fff}
.footer-row{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}
.footer-links{display:flex;gap:18px;flex-wrap:wrap;font-size:13.5px;color:var(--muted);font-weight:600}
.footer-links a:hover{color:var(--ink)}

@media(max-width:980px){
  .article-wrap{grid-template-columns:1fr;gap:20px}
  .side{position:static}
}
@media(max-width:760px){
  .container{width:min(calc(100% - 28px),var(--max))}
  .links{display:none}
  .nav-actions{margin-left:auto}
  .nav-actions .btn-ghost{display:none}
  .article{padding:26px 20px;border-radius:16px}
  .article .intro{font-size:17px}
  .article h2{font-size:23px;margin-top:34px}
  .article p,.article li{font-size:16px}
  .nums{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
  .cta{padding:24px 20px}
}