/* ===== Блог ПОРЯДОК ===== */
:root{
  --wine:#4A1023; --wine-1:#5d172e;
  --brass:#B5915A; --brass-1:#a07f49; --brass-2:#8a6e3f;
  --cream:#FBF6EC; --cream-1:#F5EDDC;
  --coal:#1E1A18; --coal-1:#2a2421; --coal-2:#494340;
  --line:#E4D9C5; --muted:#8a7f6e;
  --display:'Manrope',-apple-system,system-ui,'Segoe UI',Arial,sans-serif;
  --sans:'Inter',-apple-system,system-ui,'Segoe UI',Arial,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,Menlo,Consolas,monospace;
  --ease-out:cubic-bezier(.22,1,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:var(--sans);background:var(--cream);color:var(--coal);line-height:1.55;font-size:15.5px;-webkit-font-smoothing:antialiased}
a{color:var(--wine);text-decoration:none;transition:color .14s}
a:hover{color:var(--brass-2)}
img{max-width:100%;display:block}

/* Header — единый стиль */
.blog-nav{position:sticky;top:0;background:rgba(251,246,236,.95);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);z-index:50;border-bottom:1px solid var(--line)}
.blog-nav-inner{max-width:1760px;margin:0 auto;padding:14px 56px;display:flex;align-items:center;justify-content:space-between;gap:32px}
.blog-brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--coal)}
.blog-brand-mark{width:44px;height:44px;background:var(--wine);color:var(--cream);display:flex;align-items:center;justify-content:center;border-radius:6px;font-family:var(--display);font-weight:800;font-size:16px;letter-spacing:-.02em;flex-shrink:0}
.blog-brand-text{font-family:var(--display);font-weight:800;font-size:18px;color:var(--coal);letter-spacing:-.018em;line-height:1.05}
.blog-brand-text small{display:block;font-family:var(--mono);font-weight:400;font-size:10px;color:var(--coal-2);letter-spacing:.08em;text-transform:uppercase;margin-top:3px}
.blog-nav-links{display:flex;gap:24px;font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--coal-2)}
.blog-nav-links a{color:var(--coal-2)}
.blog-nav-links a:hover{color:var(--wine)}
.blog-cta{background:var(--wine);color:var(--cream);font-family:var(--display);font-weight:700;font-size:12px;letter-spacing:.06em;text-transform:uppercase;padding:10px 18px;border-radius:4px;transition:background .14s}
.blog-cta:hover{background:var(--wine-1);color:var(--cream)}

/* Hero блога */
.blog-hero{max-width:1760px;margin:0 auto;padding:40px 56px 32px}
.blog-crumb{display:inline-flex;align-items:center;gap:10px;padding:7px 14px;margin-bottom:22px;background:#fff;border:1px solid var(--line);border-radius:999px;font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;color:var(--coal-2);text-transform:uppercase;line-height:1}
.blog-crumb a{color:var(--coal-2)}
.blog-crumb .sep{color:var(--brass-1);opacity:.5;font-weight:700}
.blog-crumb .current{color:var(--coal);font-weight:700}
.blog-hero h1{font-family:var(--display);font-weight:800;font-size:48px;letter-spacing:-.025em;line-height:1.04;color:var(--coal);margin:0 0 16px;max-width:1100px}
.blog-hero .lead{font-size:18px;line-height:1.55;color:var(--coal-2);max-width:780px;margin:0}

/* Контейнер */
.blog-shell{max-width:1760px;margin:0 auto;padding:0 56px 64px}

/* Сетка карточек блога */
.posts-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(360px,1fr));gap:24px;margin:32px 0 48px}
.post-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden;text-decoration:none;color:var(--coal);transition:all .18s var(--ease-out)}
.post-card:hover{transform:translateY(-3px);box-shadow:0 14px 32px rgba(30,26,24,.10);border-color:var(--brass)}
.post-card .img{height:200px;background:linear-gradient(135deg,var(--wine) 0%,var(--coal) 100%);position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden}
.post-card .img::after{content:'';position:absolute;inset:0;background:radial-gradient(circle at 20% 30%,rgba(181,145,90,.18),transparent 60%)}
.post-card .img .icon{font-family:var(--display);font-weight:800;font-size:88px;color:var(--brass);opacity:.4;line-height:1;letter-spacing:-.04em;z-index:1}
.post-card .meta{padding:18px 22px 0;display:flex;justify-content:space-between;align-items:center;font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;color:var(--brass-2);text-transform:uppercase}
.post-card h3{padding:8px 22px 10px;font-family:var(--display);font-weight:800;font-size:21px;letter-spacing:-.018em;line-height:1.2;color:var(--coal);margin:0}
.post-card .excerpt{padding:0 22px 18px;font-size:14.5px;color:var(--coal-2);line-height:1.55;margin:0;flex:1}
.post-card .more{padding:14px 22px 20px;font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--wine);text-transform:uppercase}

/* Статья пост */
.post-article{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;margin-top:24px;align-items:start}
.post-content{max-width:780px;font-size:17px;line-height:1.7;color:var(--coal)}
.post-hero-img{height:380px;background:linear-gradient(135deg,var(--wine) 0%,var(--coal) 100%);border-radius:8px;margin-bottom:32px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.post-hero-img::after{content:'';position:absolute;inset:0;background:radial-gradient(circle at 25% 35%,rgba(181,145,90,.22),transparent 65%)}
.post-hero-img .big-icon{font-family:var(--display);font-weight:800;font-size:180px;color:var(--brass);opacity:.4;line-height:1;letter-spacing:-.04em;z-index:1}
.post-content h2{font-family:var(--display);font-weight:800;font-size:30px;letter-spacing:-.018em;line-height:1.15;color:var(--coal);margin:48px 0 16px;padding-left:18px;position:relative}
.post-content h2::before{content:'';position:absolute;left:0;top:.18em;bottom:.22em;width:4px;background:var(--wine);border-radius:2px}
.post-content h3{font-family:var(--display);font-weight:700;font-size:22px;letter-spacing:-.014em;line-height:1.25;color:var(--coal);margin:32px 0 12px}
.post-content p{margin:0 0 16px}
.post-content ul,.post-content ol{margin:0 0 18px;padding-left:22px}
.post-content li{margin-bottom:8px;line-height:1.6}
.post-content blockquote{border-left:3px solid var(--brass);background:var(--cream-1);padding:18px 22px;margin:24px 0;border-radius:0 6px 6px 0;font-size:17px;color:var(--coal);line-height:1.6;font-style:normal}
.post-content blockquote b{color:var(--wine)}
.post-content .callout{background:#fff;border:1px solid var(--line);border-left:4px solid var(--wine);border-radius:0 6px 6px 0;padding:20px 24px;margin:24px 0}
.post-content .callout strong{color:var(--wine)}
.post-content .formula{background:var(--cream-1);border:1px solid var(--line);border-radius:6px;padding:16px 20px;font-family:var(--mono);font-size:14.5px;color:var(--coal);margin:18px 0;line-height:1.6}
.post-content .formula b{color:var(--wine)}
.post-content table{width:100%;border-collapse:collapse;margin:24px 0;background:#fff;border:1px solid var(--line);border-radius:6px;overflow:hidden}
.post-content th{background:var(--coal);color:var(--brass);font-family:var(--display);font-weight:700;font-size:13px;letter-spacing:.04em;text-transform:uppercase;text-align:left;padding:12px 16px}
.post-content td{padding:12px 16px;border-bottom:1px solid var(--line);font-size:14.5px;color:var(--coal-2)}
.post-content tr:last-child td{border-bottom:0}

/* Sidebar поста */
.post-sidebar{position:sticky;top:90px}
.post-sidebar .widget{background:#fff;border:1px solid var(--line);border-radius:8px;padding:24px;margin-bottom:18px}
.post-sidebar .widget h4{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--brass-2);margin:0 0 14px}
.post-sidebar .widget.cta-widget{background:var(--coal);color:var(--cream);border-color:var(--coal-1)}
.post-sidebar .widget.cta-widget h4{color:var(--brass)}
.post-sidebar .widget.cta-widget p{color:rgba(251,246,236,.78);font-size:14px;line-height:1.55;margin:0 0 14px}
.post-sidebar .widget.cta-widget .btn{display:inline-block;background:var(--brass);color:var(--coal);font-family:var(--display);font-weight:800;font-size:12px;letter-spacing:.06em;text-transform:uppercase;padding:11px 18px;border-radius:4px}
.post-sidebar .widget.cta-widget .btn:hover{background:var(--cream);color:var(--coal)}
.post-sidebar .toc a{display:block;font-size:13.5px;color:var(--coal-2);padding:6px 0;border-bottom:1px dashed var(--line);text-decoration:none}
.post-sidebar .toc a:last-child{border-bottom:0}
.post-sidebar .toc a:hover{color:var(--wine)}
.post-sidebar .related a{display:block;font-size:13.5px;color:var(--coal);padding:8px 0;border-bottom:1px dashed var(--line);text-decoration:none}
.post-sidebar .related a:last-child{border-bottom:0}
.post-sidebar .related a:hover{color:var(--wine)}

/* FAQ */
.post-faq{background:#fff;border:1px solid var(--line);border-radius:8px;padding:32px;margin:48px 0}
.post-faq h2{margin-top:0}
.post-faq details{border-bottom:1px solid var(--line);padding:14px 0}
.post-faq details:last-child{border-bottom:0}
.post-faq summary{cursor:pointer;font-family:var(--display);font-weight:700;font-size:16px;color:var(--coal);list-style:none;display:flex;justify-content:space-between;align-items:center;gap:14px}
.post-faq summary::-webkit-details-marker{display:none}
.post-faq summary::after{content:'+';font-family:var(--mono);font-size:20px;color:var(--brass-2)}
.post-faq details[open] summary::after{content:'–'}
.post-faq .answer{margin-top:12px;color:var(--coal-2);line-height:1.65;font-size:15px}

/* CTA в конце */
.post-marathon{background:linear-gradient(135deg,var(--wine) 0%,var(--coal) 100%);color:var(--cream);border-radius:8px;padding:48px 40px;margin:48px 0;display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:48px;align-items:center;border:1px solid var(--coal-1)}
.post-marathon h3{font-family:var(--display);font-weight:800;font-size:28px;letter-spacing:-.018em;line-height:1.1;color:var(--cream);margin:0 0 12px}
.post-marathon p{font-size:15px;line-height:1.55;color:rgba(251,246,236,.78);margin:0 0 22px}
.post-marathon a.cta{display:inline-block;background:var(--brass);color:var(--coal);font-family:var(--display);font-weight:800;font-size:13.5px;letter-spacing:.06em;text-transform:uppercase;padding:14px 26px;border-radius:4px}
.post-marathon a.cta:hover{background:var(--cream);color:var(--coal)}
.post-marathon-calc{background:rgba(0,0,0,.25);border:1px solid rgba(229,217,197,.18);border-radius:8px;padding:24px}
.post-marathon-calc .label{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--brass);margin-bottom:10px}
.post-marathon-calc h4{font-family:var(--display);font-weight:800;font-size:20px;color:var(--cream);margin:0 0 10px;line-height:1.2}
.post-marathon-calc p{font-size:13.5px}
.post-marathon-calc .calc-btn{display:inline-block;background:#fff;color:var(--coal);font-family:var(--display);font-weight:700;font-size:12px;letter-spacing:.04em;text-transform:uppercase;padding:10px 18px;border-radius:4px;margin-top:8px}
.post-marathon-calc .calc-btn:hover{background:var(--brass);color:var(--coal)}

/* Footer */
.blog-footer{background:var(--coal);color:rgba(251,246,236,.7);padding:48px 56px 32px;margin-top:48px}
.blog-footer-inner{max-width:1760px;margin:0 auto;display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1fr;gap:48px;margin-bottom:32px}
.blog-footer h5{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--brass);margin:0 0 14px}
.blog-footer a{color:rgba(251,246,236,.7);font-size:14px;display:block;padding:4px 0;text-decoration:none}
.blog-footer a:hover{color:var(--cream)}
.blog-footer p{font-size:13px;line-height:1.55;color:rgba(251,246,236,.55);margin:0 0 10px}
.blog-footer-bottom{max-width:1760px;margin:0 auto;padding-top:24px;border-top:1px solid rgba(229,217,197,.15);font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:rgba(251,246,236,.45);text-transform:uppercase;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}

@media (max-width:1100px){
  .post-article{grid-template-columns:1fr;gap:32px}
  .post-sidebar{position:static}
  .post-marathon{grid-template-columns:1fr;padding:32px 24px}
  .blog-hero h1{font-size:32px}
  .blog-footer-inner{grid-template-columns:1fr 1fr}
}
@media (max-width:540px){
  .blog-nav-inner{padding:12px 18px;gap:12px}
  .blog-nav-links{display:none}
  .blog-brand-text small{display:none}
  .blog-brand-text{font-size:15px}
  .blog-hero{padding:24px 18px 18px}
  .blog-hero h1{font-size:26px}
  .blog-shell{padding:0 18px 24px}
  .post-content{font-size:16px}
  .post-content h2{font-size:24px}
  .post-content h3{font-size:18px}
  .post-hero-img{height:240px}
  .post-hero-img .big-icon{font-size:120px}
  .blog-footer{padding:32px 18px 24px}
  .blog-footer-inner{grid-template-columns:1fr}
}