/* Блог клауд.рус: общий стиль для /blog/ и 404.
   Токены, шапка, кнопки и подвал повторяют лендинг (index.html, :root и блоки .top/.btn/.foot).
   Меняете цвет или шрифт на лендинге — поменяйте и здесь. */
@font-face{font-family:"Source Serif 4";font-style:normal;font-weight:400 500;font-display:swap;src:url(/claude/fonts/source-serif-4-v3.woff2) format("woff2")}
@font-face{font-family:"Golos Text";font-style:normal;font-weight:400 600;font-display:swap;src:url(/claude/fonts/golos-text-v3.woff2) format("woff2")}
:root{
  --bg:#faf9f5;--surface:#ffffff;--sand:#f0eee6;--sand-2:#e8e6dc;--line:#e6e3da;--line-2:#d9d5ca;
  --ink:#141413;--text:#3d3d3a;--muted:#5e5d59;--faint:#6f6d66;
  --clay:#d97757;--clay-ink:#a94c2a;--clay-soft:#f6e3da;
  --serif:"Source Serif 4",Georgia,"Times New Roman",serif;
  --sans:"Golos Text",system-ui,-apple-system,"Segoe UI",sans-serif;
  --ease-out:cubic-bezier(.23,1,.32,1);
  --gutter:40px;--header-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;accent-color:var(--clay);scrollbar-color:var(--line-2) transparent}
body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.55 var(--sans);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
::selection{background:var(--clay-soft);color:var(--ink)}
:focus-visible{outline:2px solid var(--clay);outline-offset:3px;border-radius:6px}
svg{display:block}
.sprite{position:absolute}
h1,h2,h3{margin:0;font-family:var(--serif);color:var(--ink);line-height:1.2;text-wrap:balance}
p{margin:0;text-wrap:pretty}
[id]{scroll-margin-top:calc(var(--header-h) + 16px)}
.wrap{max-width:1280px;margin:0 auto;padding:0 var(--gutter)}

/* кнопки как на лендинге */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:44px;padding:0 18px;border-radius:9px;font:500 15.5px/1 var(--sans);white-space:nowrap;-webkit-tap-highlight-color:transparent;transition:background-color .15s ease,border-color .15s ease,transform .16s var(--ease-out)}
.btn:active{transform:scale(.97)}
.btn svg{width:17px;height:17px;flex:none}
.btn--ink{background:var(--ink);color:#fff}
.btn--line{border:1px solid var(--line-2);color:var(--ink);background:transparent}

/* шапка и подвал */
.top{position:sticky;top:0;z-index:30;background:rgba(250,249,245,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.logo{display:flex;align-items:center;gap:10px;font:600 18px/1 var(--sans);letter-spacing:-.01em}
.logo svg{width:28px;height:28px;color:var(--clay)}
.nav{display:flex;align-items:center;gap:28px;font-size:15px;color:var(--text)}
.nav a,.foot__links a,.crumbs a,.post-list a{transition:color .15s ease}
.nav a[aria-current]{color:var(--ink)}
.bar__r{display:flex;align-items:center;gap:10px}
.bar__r .btn{height:40px;font-size:14.5px;padding:0 14px;border-radius:8px}
.foot{border-top:1px solid var(--line);padding:40px 0 48px;font-size:14px;color:var(--muted);margin-top:96px}
.foot__in{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px}
.foot__links{display:flex;flex-wrap:wrap;gap:0 24px}
.foot__links a{padding:12px 0}
.foot__legal{margin-top:22px;font-size:13px;color:var(--faint)}

/* хлебные крошки */
.crumbs{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none;font-size:14px;color:var(--muted)}
.crumbs li+li::before{content:"/";margin-right:8px;color:var(--line-2)}
.crumbs [aria-current]{color:var(--text)}

/* список статей */
.blog-head{padding:64px 0 8px;max-width:760px}
.blog-head h1{margin-top:20px;font-size:clamp(40px,5vw,60px);font-weight:400;letter-spacing:-.02em;line-height:1.05}
.blog-head p{margin-top:18px;font-size:clamp(17px,1.5vw,20px);color:var(--muted)}
.post-list{list-style:none;margin:40px 0 0;padding:0;max-width:760px;border-top:1px solid var(--line-2)}
.post-list li{border-bottom:1px solid var(--line-2)}
.post-list a{display:block;padding:28px 0}
.post-list time{font-size:14px;color:var(--faint)}
.post-list h2{margin-top:8px;font-size:clamp(24px,2.4vw,30px);font-weight:500;letter-spacing:-.012em}
.post-list p{margin-top:10px;color:var(--muted)}

/* статья */
.post{max-width:68ch;padding:64px 0 0}
.post__meta{margin-top:20px;font-size:14px;color:var(--faint)}
.post h1{margin-top:12px;font-size:clamp(36px,4.6vw,56px);font-weight:400;letter-spacing:-.02em;line-height:1.08}
.post__lead{margin-top:20px;font-size:clamp(18px,1.6vw,21px);line-height:1.6;color:var(--muted)}
.prose{margin-top:40px;font-size:17.5px;line-height:1.7;color:var(--text)}
.prose > * + *{margin-top:1.1em}
.prose h2{margin-top:2.2em;font-size:clamp(26px,2.6vw,32px);font-weight:500;letter-spacing:-.012em}
.prose h2 + *{margin-top:.8em}
.prose b,.prose strong{color:var(--ink);font-weight:600}
.prose a{color:var(--clay-ink);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.prose ul,.prose ol{padding-left:1.3em}
.prose li + li{margin-top:.45em}
.prose li::marker{color:var(--clay)}
.table{width:100%;border-collapse:collapse;font-size:16px;font-variant-numeric:tabular-nums}
.table th,.table td{padding:12px 14px 12px 0;text-align:left;border-bottom:1px solid var(--line-2);vertical-align:top}
.table th{font-weight:600;color:var(--ink);font-size:14px}
.table td:first-child{white-space:nowrap;color:var(--ink)}
.table-wrap{overflow-x:auto}
.cta{margin-top:56px;padding:28px 30px;border:1px solid var(--line);border-radius:18px;background:var(--surface)}
.cta h2{font-size:25px;font-weight:500;letter-spacing:-.01em}
.cta p{margin-top:8px;color:var(--muted)}
.cta__btns{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}

/* 404 */
.lost{padding:120px 0 40px;max-width:640px}
.lost h1{font-size:clamp(40px,5vw,60px);font-weight:400;letter-spacing:-.02em}
.lost p{margin-top:18px;font-size:18px;color:var(--muted)}
.lost .cta__btns{margin-top:32px}

@media (hover:hover) and (pointer:fine){
  .btn--ink:hover{background:#2c2c2a}
  .btn--line:hover{background:var(--sand)}
  .nav a:hover,.foot__links a:hover,.crumbs a:hover{color:var(--ink)}
  .post-list a:hover h2{color:var(--clay-ink)}
}
@media (max-width:760px){
  :root{--gutter:16px;--header-h:62px}
  .bar{height:62px}
  .nav,.bar__r .btn--line{display:none}
  .bar__r .btn{height:44px}
  .blog-head,.post{padding-top:40px}
  .prose{font-size:17px}
  .cta{padding:24px 20px}
  .cta__btns .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){.btn:active{transform:none}}