:root{
  --bg:#070A0F; --bg2:#0B1017; --panel:#0D1219; --line:#1B2735; --line2:#26364A;
  --ink:#E4ECF4; --ink2:#C9D3E0; --ink3:#9AAABC; --ink4:#5F7189;
  --cy:#35F0E6; --cy2:#1AA8A1; --mg:#FF3D8A; --am:#F2B84B;
  --display:"Unbounded","Arial Black",Impact,sans-serif;
  --sans:"IBM Plex Sans",-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"JetBrains Mono","SFMono-Regular",Menlo,Consolas,monospace;
  --max:1180px; --pad:clamp(18px,4vw,48px);
  box-sizing:border-box; padding-top:env(safe-area-inset-top,0px); padding-bottom:env(safe-area-inset-bottom,0px);
}
*,*::before,*::after{box-sizing:inherit}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:17.5px;line-height:1.72;-webkit-font-smoothing:antialiased;overflow-x:hidden;
  background-image:linear-gradient(rgba(53,240,230,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(53,240,230,.035) 1px,transparent 1px);background-size:56px 56px;background-attachment:fixed}
a{color:var(--cy);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--cy);outline-offset:3px}
h1,h2,h3{font-family:var(--display);font-weight:600;line-height:1.15;margin:0;letter-spacing:-0.01em}
p{margin:0 0 1.1em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
.mono{font-family:var(--mono);font-size:12.5px;color:var(--ink4);letter-spacing:.02em}

/* шапка */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;backdrop-filter:blur(10px);background:rgba(7,10,15,.78);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:60px;gap:16px}
.brand{display:flex;align-items:center;gap:12px;white-space:nowrap;color:var(--cy);text-decoration:none;min-width:0}
.brand:hover{text-decoration:none}
.brand svg{flex:none;filter:drop-shadow(0 0 6px rgba(53,240,230,.55))}
.brand .name{font-family:var(--display);font-weight:800;font-size:17px;color:var(--ink)}
.brand .name b{color:var(--cy)}
.brand .sub{font-family:var(--mono);font-size:12px;color:var(--ink4);padding-left:12px;border-left:1px solid var(--line2)}
@media(max-width:860px){.brand .sub{display:none}}
.topnav{display:flex;gap:22px;font-size:14px;align-items:center}
.topnav a{color:var(--ink3)}
.topnav a:hover{color:var(--ink);text-decoration:none}
.topnav a.on{color:var(--cy)}
.topnav a.btn{color:#05110f}
.topnav a.btn:hover{color:#05110f}
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--display);font-weight:600;font-size:13px;letter-spacing:.02em;padding:10px 16px;border-radius:4px;border:1px solid var(--cy);color:#05110f;background:var(--cy);white-space:nowrap}
.btn:hover{text-decoration:none;box-shadow:0 0 0 4px rgba(53,240,230,.18),0 0 28px rgba(53,240,230,.3)}
.btn.ghost{background:transparent;color:var(--cy)}
.btn.lg{padding:14px 22px;font-size:14px}
@media(max-width:640px){.topnav span.sep,.topnav a.hide-m{display:none}}

/* список статей */
.bhero{padding:clamp(48px,8vw,90px) 0 clamp(28px,4vw,40px)}
.bhero .kicker{font-family:var(--mono);font-size:12.5px;color:var(--cy2);margin-bottom:16px}
.bhero h1{font-size:clamp(30px,4.6vw,52px);font-weight:800;letter-spacing:-0.02em;max-width:16em}
.bhero p{color:var(--ink3);max-width:44em;margin-top:18px;font-size:17px}
.posts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;padding-bottom:clamp(60px,8vw,100px)}
@media(max-width:800px){.posts{grid-template-columns:1fr}}
.post{display:flex;flex-direction:column;gap:12px;background:var(--panel);border:1px solid var(--line2);border-radius:6px;padding:26px 26px 24px;position:relative;transition:border-color .15s,transform .15s}
.post:hover{border-color:var(--cy);transform:translateY(-2px)}
.post .tags{font-family:var(--mono);font-size:11.5px;color:var(--cy2);letter-spacing:.06em;text-transform:uppercase}
.post h2{font-size:21px;line-height:1.25}
.post h2 a{color:var(--ink)}
.post h2 a::after{content:"";position:absolute;inset:0}
.post h2 a:hover{text-decoration:none;color:var(--cy)}
.post p{color:var(--ink3);font-size:15.5px;margin:0}
.post .meta{margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);font-family:var(--mono);font-size:12px;color:var(--ink4);display:flex;gap:14px;flex-wrap:wrap}
.post.feat{grid-column:1/-1;background:linear-gradient(135deg,rgba(53,240,230,.08),transparent 55%),var(--panel)}
.post.feat h2{font-size:clamp(24px,3vw,32px)}

/* статья */
.article{max-width:74ch;margin:0 auto;padding:clamp(40px,6vw,72px) var(--pad) 40px}
.crumbs{font-family:var(--mono);font-size:12px;color:var(--ink4);margin-bottom:26px}
.crumbs a{color:var(--ink3)}
.crumbs span::before{content:" / ";color:var(--line2)}
.article .tags{font-family:var(--mono);font-size:11.5px;color:var(--cy2);letter-spacing:.06em;text-transform:uppercase;margin-bottom:14px}
.article h1{font-size:clamp(28px,4.2vw,44px);font-weight:800;letter-spacing:-0.02em;margin-bottom:18px}
.article .lede{font-size:clamp(17.5px,2vw,20px);color:var(--ink3);line-height:1.55;margin-bottom:22px}
.article .meta{display:flex;gap:16px;flex-wrap:wrap;font-family:var(--mono);font-size:12px;color:var(--ink4);padding:14px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:34px}
.article h2{font-size:clamp(20px,2.6vw,26px);margin:44px 0 14px;line-height:1.25}
.article h3{font-family:var(--sans);font-weight:600;font-size:18.5px;margin:30px 0 10px;color:#fff}
.article ul,.article ol{margin:0 0 1.1em;padding-left:24px}
.article li{margin:0 0 8px}
.article li::marker{color:var(--cy)}
.article strong{color:#fff;font-weight:600}
.article blockquote{margin:26px 0;padding:18px 22px;border-left:3px solid var(--cy);background:rgba(53,240,230,.05);border-radius:0 6px 6px 0;color:var(--ink2);font-size:17px}
.article blockquote p:last-child{margin:0}
.article .note{margin:26px 0;padding:18px 22px;border:1px solid var(--line2);border-left:3px solid var(--am);background:rgba(242,184,75,.05);border-radius:0 6px 6px 0;font-size:16px}
.article .note b{font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--am);display:block;margin-bottom:6px;font-weight:400}
.article .ev{display:inline-block;font-family:var(--mono);font-size:11px;font-weight:600;padding:2px 6px;border:1px solid var(--cy2);border-radius:3px;color:var(--cy);vertical-align:2px;margin-left:4px}
.article table{border-collapse:collapse;width:100%;font-size:15.5px;margin:22px 0}
.article th,.article td{text-align:left;vertical-align:top;padding:10px 12px;border-bottom:1px solid var(--line)}
.article th{font-family:var(--mono);font-size:12px;color:var(--ink3);font-weight:500}
.article .tw{overflow-x:auto;border:1px solid var(--line2);border-radius:6px;background:var(--panel);margin:22px 0}
.article .tw table{margin:0;min-width:520px}
.article .faq{margin:34px 0}
.article .faq details{border-top:1px solid var(--line)}
.article .faq details:last-child{border-bottom:1px solid var(--line)}
.article .faq summary{cursor:pointer;list-style:none;padding:16px 0;font-weight:600;color:#fff;display:flex;justify-content:space-between;gap:16px}
.article .faq summary::-webkit-details-marker{display:none}
.article .faq summary::after{content:"+";font-family:var(--mono);color:var(--cy);font-size:20px;line-height:1}
.article .faq details[open] summary::after{content:"−"}
.article .faq .a{color:var(--ink3);padding:0 0 18px;font-size:16px}
.cta{margin:48px 0 0;padding:28px 30px;border:1px solid var(--line2);border-radius:8px;background:linear-gradient(135deg,rgba(53,240,230,.09),transparent 60%),var(--panel);position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:linear-gradient(90deg,transparent,var(--cy),transparent)}
.cta .k{font-family:var(--mono);font-size:12px;color:var(--cy2);margin-bottom:8px}
.cta h2{font-size:22px;margin:0 0 10px}
.cta p{color:var(--ink3);font-size:15.5px;margin-bottom:18px}
.author{display:flex;gap:14px;align-items:center;margin:34px 0 0;padding-top:20px;border-top:1px solid var(--line);font-size:14.5px;color:var(--ink3)}
.author i{width:40px;height:40px;border-radius:50%;border:1px solid var(--cy2);display:grid;place-items:center;color:var(--cy);flex:none}
.related{max-width:var(--max);margin:0 auto;padding:40px var(--pad) 90px}
.related h2{font-size:20px;margin-bottom:18px}
.related .posts{padding-bottom:0}
footer{border-top:1px solid var(--line);padding:30px 0 48px;color:var(--ink4);font-size:13px;font-family:var(--mono)}
footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.post{transition:none}}