/* ============================================================
   Persona blog — styles (поверх landing/style.css токенов)
   ============================================================ */

/* на блоге нет героя — навигация всегда с фоном */
.nav--solid{background:rgba(8,8,16,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.06)}

/* контент должен быть НАД фиксированными фон-слоями (z-index:0):
   непозиционированные блоки иначе прячутся за ними (виден только sticky-TOC). */
.blog-main,.post-wrap{position:relative;z-index:1}

.blog-main{max-width:1180px;margin:0 auto;padding:120px clamp(16px,5vw,40px) 80px}

/* ---------- индекс ---------- */
.blog-head{max-width:720px;margin-bottom:40px}
.blog-head h1{font-size:clamp(2rem,5.5vw,3.4rem);font-weight:850;letter-spacing:-.03em;line-height:1.05}
.blog-head p{color:var(--ink-dim);font-size:clamp(1rem,2.2vw,1.18rem);margin-top:14px}

.cat-filter{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px}
.cat-btn{
  padding:8px 16px;border-radius:999px;font-size:.88rem;color:var(--ink-dim);cursor:pointer;
  background:rgba(255,255,255,.04);border:1px solid var(--glass-brd);transition:all .2s var(--ease);
}
.cat-btn:hover{color:var(--ink);border-color:rgba(167,139,250,.5)}
.cat-btn.active{background:var(--grad);color:#0a0a12;border-color:transparent;font-weight:600}

.post-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:22px}
.post-card{
  display:flex;flex-direction:column;padding:26px 24px;border-radius:var(--radius);
  text-decoration:none;color:inherit;position:relative;overflow:hidden;
  background:var(--glass-bg);border:1px solid var(--glass-brd);
  transition:transform .3s var(--ease),border-color .3s;
}
.post-card::after{
  content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;
  background:linear-gradient(150deg,rgba(167,139,250,.5),rgba(34,211,238,.18) 45%,transparent 72%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  mask-composite:exclude;opacity:.45;transition:opacity .3s;pointer-events:none;
}
.post-card:hover{transform:translateY(-5px)}
.post-card:hover::after{opacity:1}
.post-card .cover{font-size:2rem;margin-bottom:14px}
.post-card .cat{font-size:.74rem;text-transform:uppercase;letter-spacing:.16em;color:var(--cyan)}
.post-card h2{font-size:1.28rem;font-weight:700;letter-spacing:-.02em;margin:8px 0 10px;line-height:1.25}
.post-card .excerpt{color:var(--ink-dim);font-size:.95rem;flex:1}
.post-card .meta{margin-top:16px;font-size:.82rem;color:var(--ink-faint);display:flex;gap:10px}

/* ---------- статья ---------- */
.post-wrap{max-width:1180px;margin:0 auto;padding:110px clamp(16px,5vw,40px) 90px}
.breadcrumb{font-size:.85rem;color:var(--ink-faint);margin-bottom:18px}
.breadcrumb a:hover{color:var(--accent-400,#a78bfa)}
.post-header{max-width:760px;margin-bottom:26px}
.post-header .cat{font-size:.76rem;text-transform:uppercase;letter-spacing:.18em;color:var(--cyan)}
.post-header h1{font-size:clamp(1.9rem,5vw,3rem);font-weight:850;letter-spacing:-.03em;line-height:1.08;margin:12px 0 16px}
.post-meta{display:flex;flex-wrap:wrap;gap:8px 18px;color:var(--ink-faint);font-size:.9rem}
.post-meta .dot{opacity:.5}

.post-layout{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:48px;align-items:start}

/* тело статьи */
.post-body{font-size:1.06rem;line-height:1.78;color:#dfe1f5;max-width:760px}
.post-body h2{font-size:clamp(1.4rem,3vw,1.9rem);font-weight:800;letter-spacing:-.02em;margin:42px 0 14px;scroll-margin-top:90px}
.post-body h3{font-size:1.22rem;font-weight:700;margin:30px 0 10px;scroll-margin-top:90px}
.post-body p{margin:0 0 18px}
.post-body a{color:var(--accent-400,#a78bfa);text-decoration:underline;text-underline-offset:3px}
.post-body ul,.post-body ol{margin:0 0 18px;padding-left:24px;display:flex;flex-direction:column;gap:8px}
.post-body ul li{list-style:disc}.post-body ol li{list-style:decimal}
.post-body strong{color:#fff}
.post-body blockquote{
  margin:22px 0;padding:14px 20px;border-left:3px solid var(--violet);
  background:rgba(139,92,246,.08);border-radius:0 12px 12px 0;color:var(--ink-dim);
}
.post-body code{background:rgba(255,255,255,.08);padding:2px 7px;border-radius:6px;font-size:.9em;font-family:ui-monospace,monospace}
.post-body pre{background:#0c0c17;border:1px solid var(--glass-brd);border-radius:12px;padding:16px 18px;overflow-x:auto;margin:0 0 18px}
.post-body pre code{background:none;padding:0}
.post-body table{width:100%;border-collapse:collapse;margin:0 0 20px;font-size:.95rem}
.post-body th,.post-body td{padding:11px 14px;border:1px solid var(--glass-brd);text-align:left}
.post-body thead th{background:rgba(255,255,255,.04);color:var(--ink-dim)}
.post-body h2:first-child,.post-body h3:first-child{margin-top:0}

/* оглавление справа (sticky + scrollspy) */
.post-toc{position:sticky;top:96px;align-self:start}
.post-toc .toc-title{font-size:.74rem;text-transform:uppercase;letter-spacing:.18em;color:var(--ink-faint);margin-bottom:14px}
.post-toc ul{display:flex;flex-direction:column;gap:2px;border-left:1px solid rgba(255,255,255,.1)}
.post-toc a{
  display:block;padding:6px 0 6px 16px;margin-left:-1px;font-size:.9rem;color:var(--ink-faint);
  border-left:2px solid transparent;transition:color .2s,border-color .2s;line-height:1.35;
}
.post-toc a.lvl-3{padding-left:30px;font-size:.85rem}
.post-toc a:hover{color:var(--ink-dim)}
.post-toc a.active{color:var(--ink);border-left-color:var(--violet);font-weight:600}

/* прогресс чтения */
.read-progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:901;background:var(--grad);box-shadow:0 0 12px rgba(139,92,246,.6)}

/* низ статьи */
.post-footer{max-width:760px;margin-top:56px;border-top:1px solid var(--glass-brd);padding-top:30px}
.post-nav{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.post-nav a{flex:1;min-width:220px;padding:16px 20px;border-radius:var(--radius);background:var(--glass-bg);border:1px solid var(--glass-brd);transition:border-color .25s}
.post-nav a:hover{border-color:rgba(167,139,250,.5)}
.post-nav .lbl{font-size:.74rem;text-transform:uppercase;letter-spacing:.14em;color:var(--ink-faint)}
.post-nav .ttl{margin-top:4px;color:var(--ink);font-weight:600}
.post-nav .next{text-align:right}
.related{margin-top:46px}
.related h3{font-size:1.3rem;font-weight:800;margin-bottom:18px}
.cta-band{
  max-width:760px;margin:56px auto 0;padding:34px;border-radius:var(--radius);text-align:center;
  background:linear-gradient(140deg,rgba(124,58,237,.18),rgba(34,211,238,.08));border:1px solid var(--glass-brd);
}
.cta-band h3{font-size:1.5rem;font-weight:800;margin-bottom:10px}
.cta-band p{color:var(--ink-dim);margin-bottom:20px}

/* ---------- адаптив ---------- */
@media(max-width:900px){
  .post-layout{grid-template-columns:1fr}
  .post-toc{position:static;order:-1;margin-bottom:24px;padding:16px 18px;border-radius:var(--radius);background:rgba(255,255,255,.03);border:1px solid var(--glass-brd)}
  .post-toc ul{max-height:none}
}