:root{
  --bg:#f1f5f9;
  --surface:#ffffff;
  --surface-2:#f8fafc;
  --line:#e2e8f0;
  --line-2:#cbd5e1;
  --ink:#0f172a;
  --ink-2:#334155;
  --muted:#64748b;
  --muted-2:#94a3b8;
  --green:#03b487;
  --blue:#447eee;
  --red:#ea4266;
  --cyan:#22d3ee;
  --grad:linear-gradient(92.16deg,#03b487 0%,#447eee 52%,#ea4266 100%);
  --head:'Unbounded',system-ui,sans-serif;
  --body:'Jost','Inter',-apple-system,'Segoe UI',Roboto,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,Menlo,monospace;
  --shadow:0 12px 32px rgba(15,23,42,.07);
  --shadow-sm:0 4px 14px rgba(15,23,42,.06);
  --wrap:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink-2);
  font-family:var(--body);font-size:17px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:var(--head);color:var(--ink);line-height:1.14;margin:0 0 .5em;font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1em}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono);letter-spacing:.14em;text-transform:uppercase;font-size:12px}
.eyebrow{font-family:var(--head);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted-2);display:flex;align-items:center;gap:10px;margin-bottom:18px;font-weight:600}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--grad);display:inline-block;flex:none}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.accent-green{color:var(--green)}
.accent-blue{color:var(--blue)}
.accent-red{color:var(--red)}
.squares{display:inline-flex;gap:4px;align-items:center}
.squares i{width:12px;height:12px;border-radius:4px;display:inline-block}
.squares i:nth-child(1){background:var(--green)}
.squares i:nth-child(2){background:var(--blue)}
.squares i:nth-child(3){background:var(--red)}
.section{padding:72px 0;border-top:1px solid var(--line)}
.section--tight{padding:56px 0}
.section h2{font-size:clamp(26px,3.4vw,40px);margin-bottom:14px;font-weight:800}
.lead{font-size:19px;color:var(--muted);max-width:62ch}
.rule-title{display:flex;flex-wrap:wrap;align-items:flex-end;gap:18px;justify-content:space-between;margin-bottom:34px}
.rule-title .count{font-family:var(--head);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;padding:13px 26px;border-radius:999px;font-weight:700;font-family:var(--head);font-size:13px;letter-spacing:.3px;border:1px solid transparent;transition:.18s ease;cursor:pointer;line-height:1.2}
.btn:hover{text-decoration:none;transform:translateY(-1px);box-shadow:var(--shadow-sm)}
.btn--primary{background:var(--grad);color:#fff}
.btn--primary:hover{box-shadow:0 10px 24px rgba(68,126,238,.25)}
.btn--ghost{border-color:var(--line-2);color:var(--ink);background:#fff}
.btn--ghost:hover{border-color:var(--ink);box-shadow:var(--shadow-sm)}
.btn--dark{background:var(--ink);color:#fff}
.btn--lg{padding:16px 30px;font-size:14px}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:26px;height:92px}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--head);font-weight:800;color:var(--ink);font-size:15px;letter-spacing:.06em;text-transform:uppercase}
.brand img{height:44px;width:auto;border-radius:8px}
.brand img.logo-full{height:64px;width:auto;border-radius:4px}
@media(max-width:900px){.brand img.logo-full{height:54px}}
@media(max-width:520px){.brand img.logo-full{height:46px}}
.brand small{display:block;font-family:var(--head);font-size:9.5px;font-weight:600;letter-spacing:.18em;color:var(--muted-2);text-transform:uppercase;margin-top:3px}
.brand-tag{font-family:var(--head);font-size:10px;font-weight:700;letter-spacing:.18em;color:var(--blue);background:#eff6ff;border-radius:999px;padding:6px 12px;text-transform:uppercase}
.nav-links{display:flex;gap:22px;margin-left:auto;align-items:center}
.nav-links a{color:var(--ink-2);font-size:15px}
.nav-links a:hover{color:var(--blue);text-decoration:none}
.nav .btn{padding:11px 20px;font-size:12.5px}
.burger{display:none;background:#fff;border:1px solid var(--line-2);border-radius:12px;color:var(--ink);padding:9px 12px;font-size:18px;cursor:pointer}
@media(max-width:900px){
  .nav-links{position:absolute;top:92px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;padding:20px 24px;gap:16px;border-bottom:1px solid var(--line);display:none}
  .nav-links.open{display:flex}
  .burger{display:block;margin-left:auto}
  .nav .btn{display:none}
}

/* hero */
.hero{position:relative;overflow:hidden;padding:80px 0 76px;border-bottom:1px solid var(--line);
  background:
   radial-gradient(760px 380px at 82% -12%,rgba(68,126,238,.10),transparent 62%),
   radial-gradient(680px 360px at 4% 108%,rgba(3,180,135,.10),transparent 62%),
   #fff;
}
.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:52px;align-items:center}
.hero h1{font-size:clamp(30px,4.6vw,56px);font-weight:800;letter-spacing:-.02em;margin-bottom:20px}
.hero h1 span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:19px;color:var(--muted);max-width:60ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:44px}
.stat{border:1px solid var(--line);background:#fff;border-radius:16px;padding:18px 20px;box-shadow:var(--shadow-sm)}
.stat b{display:block;font-family:var(--head);font-size:24px;color:var(--ink);font-weight:700}
.stat span{font-size:13px;color:var(--muted-2)}
.stat:nth-child(1) b{color:var(--green)}
.stat:nth-child(2) b{color:var(--blue)}
.stat:nth-child(3) b{color:var(--red)}
.panel{border:1px solid var(--line);border-radius:20px;background:#fff;padding:22px;box-shadow:var(--shadow)}
.panel .screen{aspect-ratio:9/16;border-radius:14px;border:1px solid var(--line);background:#0f172a url('/assets/img/cards/naruzhnaya.jpg') center/cover no-repeat;display:flex;flex-direction:column;justify-content:flex-end;padding:18px;position:relative;overflow:hidden}
.panel .screen::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(2,6,23,0) 35%,rgba(2,6,23,.85) 100%)}
.panel .screen::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(0deg,rgba(255,255,255,.03) 0 1px,transparent 1px 3px)}
.panel .screen b{font-family:var(--head);font-size:15px;position:relative;z-index:2;color:#fff}
.panel .screen em{position:relative;z-index:2;font-style:normal;color:#67e8f9;font-family:var(--mono);font-size:11px;letter-spacing:.14em;position:relative}
.panel .meta{display:flex;justify-content:space-between;margin-top:14px;font-family:var(--mono);font-size:11px;color:var(--muted-2);letter-spacing:.1em}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr;gap:38px}.hero{padding:52px 0}.panel{max-width:320px}}
@media(max-width:520px){.hero-stats{grid-template-columns:1fr 1fr}}

/* rubric cards */
.rubrics{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:1000px){.rubrics{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.rubrics{grid-template-columns:1fr}}
.rubric{display:block;padding:26px 24px;border:1px solid var(--line);border-radius:18px;background:#fff;position:relative;overflow:hidden;transition:.2s;box-shadow:var(--shadow-sm)}
.rubric:hover{border-color:var(--accent,var(--blue));transform:translateY(-3px);text-decoration:none;box-shadow:var(--shadow)}
.rubric::after{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--accent,var(--blue))}
.rubric .num{font-family:var(--head);font-size:10.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent,var(--blue));margin-bottom:14px;display:block}
.rubric h3{font-size:19px;margin-bottom:8px}
.rubric p{font-size:15px;color:var(--muted);margin:0}
.rubric .tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px}
.tag{font-family:var(--head);font-size:10px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);background:var(--surface-2);border:1px solid var(--line);border-radius:999px;padding:5px 10px}

/* article cards */
.articles{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:1000px){.articles{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.articles{grid-template-columns:1fr}}
.card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:18px;background:#fff;overflow:hidden;transition:.2s;box-shadow:var(--shadow-sm)}
.card:hover{transform:translateY(-3px);border-color:var(--line-2);text-decoration:none;box-shadow:var(--shadow)}
.card .thumb{aspect-ratio:16/9;background:linear-gradient(135deg,#e2e8f0,#f8fafc 55%,#e2e8f0);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.card .thumb img{width:100%;height:100%;object-fit:cover}
.card .thumb span{font-family:var(--head);font-size:13px;font-weight:600;letter-spacing:.1em;color:var(--muted-2);text-transform:uppercase;text-align:center;padding:0 16px}
.card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card .rubric{font-family:var(--head);font-size:10.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--blue)}
.card h3{font-size:17px;line-height:1.32;margin:0}
.card p{font-size:14.5px;color:var(--muted);margin:0;flex:1}
.card .more{font-size:14px;color:var(--blue);font-weight:600}
.card:hover h3{color:var(--blue)}

/* about */
.about{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
@media(max-width:900px){.about{grid-template-columns:1fr;gap:30px}}
.facts{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:24px 0 28px}
.fact{border:1px solid var(--line);border-radius:16px;padding:16px 18px;background:#fff;box-shadow:var(--shadow-sm)}
.fact b{display:block;font-family:var(--head);color:var(--ink);font-size:18px;margin-bottom:4px;font-weight:700}
.fact span{font-size:13.5px;color:var(--muted-2)}
@media(max-width:520px){.facts{grid-template-columns:1fr}}

/* faq */
.faq{max-width:900px}
.faq details{border:1px solid var(--line);border-radius:16px;background:#fff;margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-sm)}
.faq summary{cursor:pointer;list-style:none;padding:18px 56px 18px 22px;font-weight:600;color:var(--ink);position:relative;font-size:17px;font-family:var(--head);font-weight:600}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:22px;top:14px;font-family:var(--head);font-size:22px;color:var(--blue);line-height:1}
.faq details[open] summary::after{content:"–"}
.faq .ans{padding:0 22px 20px;color:var(--muted);font-size:16px}

/* footer */
.site-footer{border-top:1px solid var(--line);background:#fff;padding:60px 0 34px;margin-top:40px}
.foot-cta{display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between;border:1px solid var(--line);border-radius:20px;padding:26px 28px;background:linear-gradient(120deg,#f0fdf4 0%,#eff6ff 55%,#fff1f2 100%);margin-bottom:44px}
.foot-cta h3{margin:0 0 6px;font-size:22px;font-weight:700}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px}
@media(max-width:820px){.foot-grid{grid-template-columns:1fr}}
.foot-grid h4{font-family:var(--head);font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2);margin-bottom:14px}
.foot-grid ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.foot-grid a{color:var(--ink-2)}
.foot-grid a:hover{color:var(--blue)}
.social{display:flex;gap:10px;margin-top:16px}
.social a{width:44px;height:44px;border:1px solid var(--line);border-radius:14px;display:flex;align-items:center;justify-content:center;color:var(--ink)}
.social a:hover{border-color:var(--blue);color:var(--blue);text-decoration:none;background:#eff6ff}
.copy{margin-top:36px;padding-top:20px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;color:var(--muted-2);font-size:13.5px}

/* article page */
.post-hero{padding:56px 0 34px;border-bottom:1px solid var(--line);background:radial-gradient(700px 320px at 18% 0%,rgba(68,126,238,.08),transparent 65%),#fff}
.post-hero h1{font-size:clamp(28px,3.8vw,46px);font-weight:800;max-width:24ch}
.post-meta{display:flex;flex-wrap:wrap;gap:16px;color:var(--muted-2);font-family:var(--mono);font-size:12px;letter-spacing:.1em;margin-top:18px}
.post-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;padding:44px 0 20px}
@media(max-width:940px){.post-layout{grid-template-columns:1fr}}
.prose{max-width:72ch;font-size:18px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:32px 34px;box-shadow:var(--shadow-sm)}
@media(max-width:600px){.prose{padding:22px 18px}}
.prose h2{font-size:26px;margin:38px 0 14px;font-weight:700}
.prose h3{font-size:21px;margin:30px 0 12px;font-weight:700}
.prose ul,.prose ol{padding-left:22px;margin:0 0 18px}
.prose li{margin-bottom:8px}
.prose blockquote{margin:26px 0;padding:18px 22px;border-left:4px solid var(--green);background:#f0fdf4;border-radius:0 14px 14px 0;color:var(--ink-2)}
.prose table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15.5px;background:#fff}
.prose th,.prose td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.prose th{background:var(--surface-2);color:var(--ink);font-family:var(--head);font-size:13px;font-weight:700}
.prose a{text-decoration:underline;text-underline-offset:3px}
.toc{position:sticky;top:96px;border:1px solid var(--line);border-radius:18px;padding:20px;background:#fff;box-shadow:var(--shadow-sm)}
.toc h4{font-family:var(--head);font-size:10.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2);margin-bottom:12px}
.toc a{display:block;font-size:14.5px;color:var(--muted);padding:5px 0}
.toc a:hover{color:var(--blue);text-decoration:none}
@media(max-width:940px){.toc{position:static}}
.post-next{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:24px 0 60px}
@media(max-width:700px){.post-next{grid-template-columns:1fr}}
.legal{max-width:78ch}
.legal h2{margin-top:34px}

/* служебный бейдж платформы Spru не показываем на публичных страницах */
#spru-pages-badge-host{display:none !important}

/* блок «Коротко», FAQ и «Читайте также» — для ИИ-рекомендаций и перелинковки */
.lead-summary{background:linear-gradient(180deg,#f8fafc 0%,#eef2f7 100%);border:1px solid var(--line);border-left:4px solid var(--green);border-radius:16px;padding:20px 22px;margin:8px 0 32px}
.lead-summary__label{display:inline-block;font-family:var(--head);font-size:10px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:#fff;background:var(--ink);border-radius:999px;padding:5px 12px;margin-bottom:10px}
.lead-summary p{margin:0;font-size:17px;color:var(--ink-2)}
.faq-inline{margin-top:44px;padding-top:10px;border-top:1px solid var(--line)}
.faq-inline h2{margin-top:30px}
.faq-inline h3{font-size:19px;margin:24px 0 8px}
.faq-inline p{margin-bottom:.6em}
.also-read{margin-top:40px;padding:24px 26px;background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-sm)}
.also-read h2{font-size:20px;margin-bottom:12px}
.also-read ul{margin:0;padding:0;list-style:none;display:grid;gap:10px}
.also-read li{padding-left:18px;position:relative}
.also-read li::before{content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;border-radius:50%;background:var(--grad)}
.section-tight{padding:26px 0 6px}
#kratko .facts{margin:0}
#kratko .fact b{display:block}