/* ============================================================
   Mayak Networks — блог. Общий стиль (dark+cyan, 1:1 с лендингом).
   Самохост-шрифты, без внешних CDN (надёжность в РФ). Тот же токен-набор,
   что в web/index.html (docs/DESIGN-SYSTEM.md).
   ============================================================ */
@font-face{font-family:'Montserrat';font-weight:400;font-display:swap;src:url('../assets/fonts/montserrat-400-latin.woff2') format('woff2')}
@font-face{font-family:'Montserrat';font-weight:400;font-display:swap;src:url('../assets/fonts/montserrat-400-cyrillic.woff2') format('woff2');unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:'Montserrat';font-weight:500;font-display:swap;src:url('../assets/fonts/montserrat-500-latin.woff2') format('woff2')}
@font-face{font-family:'Montserrat';font-weight:500;font-display:swap;src:url('../assets/fonts/montserrat-500-cyrillic.woff2') format('woff2');unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:'Montserrat';font-weight:600;font-display:swap;src:url('../assets/fonts/montserrat-600-latin.woff2') format('woff2')}
@font-face{font-family:'Montserrat';font-weight:600;font-display:swap;src:url('../assets/fonts/montserrat-600-cyrillic.woff2') format('woff2');unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}

:root{
  --night:#0d1117;--deep:#161b22;--panel:#21262d;--beam:#22b8cf;--beam2:#3bc9db;--beam-deep:#15aabf;
  --cream:#c9d1d9;--cream-dim:#b1bac4;--mist:#8b949e;--mist-dim:#6e7681;--line:rgba(255,255,255,.08);
  --tg:#229ED9;--r:18px;--r-sm:12px;--maxw:1160px;--readw:720px;--pad:clamp(1.15rem,4vw,2rem);
  --sans:'Montserrat',-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  --shadow-soft:0 14px 40px -18px rgba(0,0,0,.45);--glow:0 0 60px -8px rgba(34,184,207,.40);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);color:var(--cream);background:var(--night);line-height:1.68;
  font-size:clamp(1rem,.97rem + .25vw,1.075rem);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
img,svg{max-width:100%;display:block}
a{color:var(--beam);text-decoration:none}
a:hover{text-decoration:underline}
strong{color:#fff;font-weight:700}
.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--pad)}
.skip-link{position:absolute;left:10px;top:-60px;z-index:200;background:var(--beam);color:var(--night);font-weight:700;padding:.6rem 1rem;border-radius:var(--r-sm);transition:top .15s ease}
.skip-link:focus{top:10px}
:focus-visible{outline:3px solid var(--beam);outline-offset:3px;border-radius:6px}

/* header (совпадает с лендингом) */
.site-header{position:sticky;top:0;z-index:100;backdrop-filter:saturate(140%) blur(12px);
  background:color-mix(in srgb,var(--night) 82%,transparent);border-bottom:1px solid rgba(147,166,198,.14)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;height:68px}
.brand{display:inline-flex;align-items:center;gap:.6rem;color:var(--cream);font-weight:600;letter-spacing:-.02em;font-size:1.16rem}
.brand:hover{text-decoration:none}
.brand .mark{width:34px;height:34px;filter:drop-shadow(0 0 10px rgba(34,184,207,.4))}
.site-nav ul{list-style:none;display:flex;align-items:center;gap:1.4rem;margin:0;padding:0}
.site-nav a:not(.btn){color:var(--mist);font-weight:600;font-size:.96rem}
.site-nav a:not(.btn):hover{color:var(--cream);text-decoration:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font:inherit;font-weight:700;
  letter-spacing:-.01em;line-height:1;padding:.7rem 1.2rem;border-radius:999px;border:1.5px solid transparent;
  background:var(--beam);color:var(--night);cursor:pointer;text-decoration:none;transition:transform .18s ease,box-shadow .25s ease}
.btn:hover{transform:translateY(-2px);text-decoration:none;box-shadow:var(--glow)}
.btn-ghost{background:transparent;color:var(--cream);border-color:rgba(147,166,198,.4)}
.btn-ghost:hover{border-color:var(--beam);color:var(--beam);box-shadow:none}
.btn-lg{padding:.95rem 1.6rem;font-size:1.02rem}

/* breadcrumbs */
.crumbs{font-size:.9rem;color:var(--mist-dim);margin:0}
.crumbs a{color:var(--mist)}
.crumbs span{margin:0 .4rem;opacity:.6}

/* blog index */
.blog-hero{padding:clamp(2.6rem,6vw,4.2rem) 0 clamp(1.6rem,3vw,2.4rem)}
.blog-hero .eyebrow{display:inline-flex;align-items:center;gap:.55rem;font-size:.78rem;font-weight:700;
  letter-spacing:.18em;text-transform:uppercase;color:var(--beam);margin:0 0 1rem}
.blog-hero h1{font-size:clamp(2.1rem,1.4rem + 3vw,3.4rem);line-height:1.08;letter-spacing:-.025em;font-weight:600;color:#fff;margin:0 0 .7rem}
.blog-hero p{color:var(--mist);font-size:clamp(1.03rem,1rem + .3vw,1.16rem);max-width:52ch;margin:0}
.post-list{list-style:none;margin:0;padding:0 0 clamp(3rem,7vw,5rem);display:grid;gap:1.1rem}
.post-card{display:block;padding:1.6rem 1.7rem;border-radius:var(--r);background:rgba(22,27,34,.55);
  border:1px solid rgba(147,166,198,.16);transition:transform .2s ease,border-color .2s ease,box-shadow .3s ease}
.post-card:hover{transform:translateY(-4px);border-color:rgba(34,184,207,.5);box-shadow:var(--shadow-soft);text-decoration:none}
.post-card .meta{font-size:.84rem;color:var(--mist-dim);margin:0 0 .5rem}
.post-card h2{font-size:1.4rem;line-height:1.2;letter-spacing:-.02em;font-weight:600;color:#fff;margin:0 0 .5rem}
.post-card p{color:var(--mist);margin:0;font-size:.98rem}
.post-card .more{display:inline-block;margin-top:.9rem;color:var(--beam);font-weight:700;font-size:.94rem}

/* article */
.article{padding:clamp(1.6rem,4vw,2.4rem) 0 clamp(3rem,7vw,5rem)}
.article-head{max-width:var(--readw);margin:0 auto clamp(1.6rem,4vw,2.4rem)}
.article-head .eyebrow{font-size:.78rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--beam);margin:.8rem 0 1rem}
.article-head h1{font-size:clamp(1.95rem,1.4rem + 2.6vw,3rem);line-height:1.12;letter-spacing:-.025em;font-weight:600;color:#fff;margin:0 0 .8rem}
.article-head .dek{color:var(--mist);font-size:clamp(1.05rem,1rem + .35vw,1.2rem);margin:0}
.article-head .byline{margin:1.1rem 0 0;font-size:.88rem;color:var(--mist-dim)}
.prose{max-width:var(--readw);margin-inline:auto}
.prose h2{font-size:clamp(1.45rem,1.2rem + 1vw,1.9rem);line-height:1.2;letter-spacing:-.02em;font-weight:600;color:#fff;margin:2.4rem 0 .9rem}
.prose h3{font-size:1.2rem;font-weight:600;color:var(--cream);margin:1.8rem 0 .6rem}
.prose p{margin:0 0 1.1rem;color:var(--cream-dim)}
.prose ul,.prose ol{margin:0 0 1.2rem;padding-left:1.3rem;color:var(--cream-dim)}
.prose li{margin:.35rem 0}
.prose li::marker{color:var(--beam)}
.prose a{color:var(--beam);text-decoration:underline;text-underline-offset:2px}
.callout{margin:1.6rem 0;padding:1.2rem 1.4rem;border-radius:var(--r-sm);background:linear-gradient(180deg,rgba(34,184,207,.10),rgba(22,27,34,.5));border:1px solid rgba(34,184,207,.3)}
.callout p{margin:0;color:var(--cream)}
.callout strong{color:#fff}
.tldr{margin:0 0 2rem;padding:1.2rem 1.4rem;border-left:3px solid var(--beam);background:rgba(22,27,34,.5);border-radius:0 var(--r-sm) var(--r-sm) 0}
.tldr p{margin:0;color:var(--cream);font-size:1.02rem}
.tldr b{color:var(--beam)}
.faq-block{max-width:var(--readw);margin:2.6rem auto 0}
.faq-block h2{font-size:clamp(1.45rem,1.2rem + 1vw,1.9rem);font-weight:600;color:#fff;margin:0 0 1rem;letter-spacing:-.02em}
.faq-item{border:1px solid var(--line);border-radius:var(--r-sm);background:var(--panel);overflow:hidden;margin-bottom:.7rem}
.faq-item summary{cursor:pointer;list-style:none;padding:1rem 1.2rem;font-weight:600;color:var(--cream);display:flex;justify-content:space-between;gap:1rem}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:1.4rem;font-weight:400;color:var(--beam-deep)}
.faq-item[open] summary::after{content:"–"}
.faq-item .body{padding:0 1.2rem 1.1rem;color:var(--cream-dim)}
.faq-item .body p{margin:0}
.cta-band{max-width:var(--readw);margin:2.8rem auto 0;padding:1.8rem;border-radius:var(--r);text-align:center;
  background:linear-gradient(120deg,var(--panel),var(--deep));border:1px solid rgba(34,184,207,.24)}
.cta-band h2{font-size:1.4rem;font-weight:600;color:#fff;margin:0 0 .5rem;letter-spacing:-.02em}
.cta-band p{color:var(--mist);margin:0 0 1.2rem}
.cta-band .btn{margin:0 .3rem}

/* footer (лаконичный) */
.site-footer{border-top:1px solid rgba(147,166,198,.14);padding:2.4rem 0}
.footer-inner{display:flex;flex-wrap:wrap;gap:1rem 2rem;align-items:center;justify-content:space-between;color:var(--mist-dim);font-size:.88rem}
.footer-inner a{color:var(--mist)}
.footer-inner a:hover{color:var(--cream);text-decoration:none}
.footer-links{display:flex;flex-wrap:wrap;gap:1.2rem}

@media (max-width:620px){
  .site-nav .hide-sm{display:none}
  .cta-band .btn{display:flex;margin:.4rem 0}
}