/* ===== Блог — общие стили для /blog, /blog/:slug, /blog/category/:slug =====
   Токены и база скопированы из landing.html (там нет внешнего CSS-файла,
   стили инлайновые) — чтобы блог визуально совпадал с остальным сайтом. */
@font-face{
  font-family:'Evolventa';
  src:url('/fonts/evolventa-400.ttf') format('truetype');
  font-weight:400;font-style:normal;font-display:swap;
}
@font-face{
  font-family:'Evolventa';
  src:url('/fonts/evolventa-700.ttf') format('truetype');
  font-weight:700;font-style:normal;font-display:swap;
}
:root{
  --bg:#ffffff; --bg-soft:#f4f7fb; --bg-soft2:#eef3f9;
  --ink:#0e1b2e; --ink-soft:#56657c; --ink-mute:#8a98ad;
  --line:#e4eaf2; --accent:#2f5bf0; --accent-2:#6d8bff; --accent-soft:#eaf0ff;
  --green:#0fae72; --radius:14px;
  --shadow:0 8px 30px rgba(20,40,90,.08); --shadow-sm:0 4px 16px rgba(20,40,90,.06);
  --maxw:1140px; --font:'Evolventa',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--ink);line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
img{max-width:100%}

.btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;line-height:1;
  padding:13px 24px;border-radius:10px;cursor:pointer;border:1px solid transparent;transition:all .18s ease}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(47,91,240,.28)}
.btn-primary:hover{background:#234bd6}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}

header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:saturate(160%) blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:11px;font-weight:700;font-size:18px}
.brand img{height:34px;width:auto;display:block}

/* ===== Blog header / hero ===== */
.blog-hero{padding:52px 0 30px;text-align:center}
.blog-hero h1{font-size:clamp(28px,4vw,42px);font-weight:800;letter-spacing:-.02em;margin-bottom:12px}
.blog-hero p{color:var(--ink-soft);font-size:16px;max-width:560px;margin:0 auto}

/* ===== Rubricator (category filter) ===== */
.rubric-bar{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;padding:20px 0 8px}
.rubric-pill{background:#fff;border:1px solid var(--line);color:var(--ink-soft);padding:8px 16px;
  border-radius:100px;font-size:13.5px;font-weight:600;cursor:pointer;transition:all .18s}
.rubric-pill:hover{border-color:var(--accent);color:var(--accent)}
.rubric-pill.active{background:var(--accent);border-color:var(--accent);color:#fff}
.rubric-count{opacity:.7;font-weight:400;margin-left:4px}
@media(max-width:640px){
  .rubric-bar{flex-wrap:nowrap;overflow-x:auto;justify-content:flex-start;padding:16px 20px 8px;margin:0 -20px;-webkit-overflow-scrolling:touch}
  .rubric-pill{white-space:nowrap;flex-shrink:0}
}

/* ===== Feed ===== */
.blog-main{padding:20px 0 70px}
.feed{display:flex;flex-direction:column;gap:26px;max-width:760px;margin:0 auto}
.feed-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s}
.feed-card:hover{box-shadow:var(--shadow)}
.feed-card-img{display:block;height:280px;background:var(--bg-soft);overflow:hidden;position:relative}
.feed-card-img img{width:100%;height:100%;object-fit:cover;display:block}
.feed-cat-tag{position:absolute;top:14px;left:14px;background:rgba(14,27,46,.8);color:#fff;
  padding:5px 12px;border-radius:100px;font-size:11.5px;font-weight:600}
.feed-card-body{padding:22px 26px 26px}
.feed-card-date{font-size:13px;color:var(--ink-mute);margin-bottom:8px}
.feed-card-title{font-size:20px;font-weight:800;line-height:1.3;margin-bottom:10px}
.feed-card-title a{color:var(--ink)}
.feed-card-title a:hover{color:var(--accent)}
.feed-card-excerpt{color:var(--ink-soft);font-size:15px;line-height:1.55;margin-bottom:14px}
.feed-card-more{color:var(--accent);font-weight:600;font-size:14px}
.feed-empty,.feed-loading{text-align:center;color:var(--ink-mute);padding:40px 0}
.feed-sentinel{height:1px}

/* ===== Post page ===== */
.post-wrap{max-width:760px;margin:0 auto;padding:44px 24px 80px}
.post-breadcrumbs{font-size:13px;color:var(--ink-mute);margin-bottom:18px}
.post-breadcrumbs a{color:var(--ink-mute)}
.post-breadcrumbs a:hover{color:var(--accent)}
.post-cat{display:inline-block;background:var(--accent-soft);color:var(--accent);font-size:12.5px;
  font-weight:700;padding:5px 13px;border-radius:100px;margin-bottom:16px}
.post-title{font-size:clamp(26px,4vw,38px);font-weight:800;line-height:1.22;letter-spacing:-.02em;margin-bottom:14px}
.post-meta{color:var(--ink-mute);font-size:14px;margin-bottom:26px}
.post-share{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.post-share .btn{padding:9px 16px;font-size:13.5px}
.post-cover{width:100%;border-radius:var(--radius);margin-bottom:30px;box-shadow:var(--shadow-sm)}
.post-content{font-size:17px;line-height:1.75;color:var(--ink)}
.post-content h2{font-size:24px;font-weight:800;margin:34px 0 14px;letter-spacing:-.01em}
.post-content h3{font-size:19px;font-weight:700;margin:26px 0 10px}
.post-content p{margin-bottom:18px}
.post-content ul,.post-content ol{margin:0 0 18px 24px}
.post-content li{margin-bottom:6px}
.post-content a{color:var(--accent);text-decoration:underline}
.post-content img,.post-content video{max-width:100%;border-radius:10px;margin:20px 0}
.post-content blockquote{border-left:3px solid var(--accent);padding:6px 0 6px 18px;color:var(--ink-soft);margin:20px 0;font-style:italic}
.post-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:34px}
.post-tag{background:var(--bg-soft);color:var(--ink-soft);font-size:13px;padding:5px 12px;border-radius:100px}
.post-faq{margin-top:44px;border-top:1px solid var(--line);padding-top:30px}
.post-faq h2{font-size:22px;font-weight:800;margin-bottom:16px}
.post-faq details{border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin-bottom:10px}
.post-faq summary{cursor:pointer;font-weight:600;font-size:15px}
.post-faq p{margin-top:10px;color:var(--ink-soft);font-size:14.5px;line-height:1.6}

/* ===== Simple footer ===== */
.blog-footer{background:#0e1b2e;color:#aab6c9;padding:34px 0;text-align:center;font-size:13.5px}
.blog-footer a{color:#c9d3e3}
.blog-footer a:hover{color:#fff}

@media(max-width:640px){
  .blog-hero{padding:36px 0 18px}
  .feed-card-img{height:200px}
  .feed-card-body{padding:18px 20px 20px}
  .post-wrap{padding:30px 18px 60px}
}