/* Всё про самовыкупы — базовые стили. Только системные шрифты, без внешних ресурсов. */
:root{
  --bg:#ffffff; --bg-soft:#f5f7fb; --bg-tint:#eef3ff;
  --ink:#1a2233; --ink-soft:#48566e; --muted:#6b7890;
  --line:#e3e8f2; --line-soft:#eef1f7;
  --brand:#2f5bd6; --brand-dark:#1e3ea6; --brand-tint:#e8eeff;
  --accent:#0f9d76; --accent-tint:#e4f6ef;
  --warn:#c9781f; --warn-tint:#fbf1e2;
  --radius:14px; --radius-sm:9px;
  --shadow:0 1px 2px rgba(20,32,60,.06),0 8px 24px rgba(20,32,60,.06);
  --wrap:1140px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PT Sans","Noto Sans",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);
  font-size:17px;line-height:1.7;-webkit-text-size-adjust:100%;
  overflow-x:hidden;
}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--brand-dark);text-decoration:underline}
h1,h2,h3,h4{line-height:1.25;color:var(--ink);font-weight:700;margin:0 0 .5em}
h1{font-size:2.1rem;letter-spacing:-.01em}
h2{font-size:1.55rem;margin-top:1.7em}
h3{font-size:1.2rem;margin-top:1.4em}
p{margin:0 0 1.05em}
ul,ol{margin:0 0 1.15em;padding-left:1.3em}
li{margin:.35em 0}
strong{font-weight:600}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.narrow{max-width:820px}
.skip{position:absolute;left:-9999px;top:auto}
.skip:focus{left:12px;top:12px;background:#fff;padding:8px 14px;border-radius:8px;z-index:100;box-shadow:var(--shadow)}

/* ---------- Header ---------- */
.site-header{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:40}
.header-row{display:flex;align-items:center;gap:22px;min-height:66px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.12rem;color:var(--ink);white-space:nowrap}
.logo:hover{text-decoration:none}
.logo .mark{width:34px;height:34px;flex:0 0 34px}
.logo b{color:var(--brand)}
.nav{margin-left:auto}
.nav ul{display:flex;gap:4px;list-style:none;margin:0;padding:0}
.nav a{display:block;padding:9px 12px;border-radius:9px;color:var(--ink-soft);font-weight:600;font-size:.96rem;white-space:nowrap}
.nav a:hover{background:var(--bg-soft);color:var(--brand);text-decoration:none}
.nav a[aria-current="page"]{color:var(--brand);background:var(--brand-tint)}
.header-cta{display:inline-flex;padding:10px 18px;border-radius:9px;background:var(--brand);color:#fff;font-weight:600;font-size:.95rem;white-space:nowrap}
.header-cta:hover{background:var(--brand-dark);color:#fff;text-decoration:none}
.menu-toggle,.menu-checkbox{display:none}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 24px;border-radius:11px;font-weight:600;font-size:1rem;border:0;cursor:pointer;transition:transform .05s ease}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);color:#fff}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#0c8163;color:#fff}
.btn-ghost{background:#fff;color:var(--brand);border:1.5px solid var(--brand-tint)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dark)}
.btn-lg{padding:15px 30px;font-size:1.06rem}

/* ---------- Breadcrumbs ---------- */
.crumbs{font-size:.9rem;color:var(--muted);padding:14px 0 0}
.crumbs ol{display:flex;flex-wrap:wrap;gap:6px;list-style:none;margin:0;padding:0}
.crumbs li:not(:last-child)::after{content:"›";margin-left:6px;color:var(--line)}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand)}
.crumbs li[aria-current]{color:var(--ink-soft)}

/* ---------- Hero ---------- */
.hero{background:linear-gradient(180deg,var(--bg-tint),#fff);border-bottom:1px solid var(--line-soft)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;padding:44px 0 40px}
.hero h1{font-size:2.5rem;margin-bottom:.4em}
.hero .lead{font-size:1.2rem;color:var(--ink-soft);margin-bottom:1.4em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-art{margin:0}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.chip{background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:.9rem;color:var(--ink-soft)}

/* ---------- Sections ---------- */
.section{padding:44px 0}
.section-tint{background:var(--bg-soft)}
.section-head{max-width:720px;margin-bottom:26px}
.section-head p{color:var(--ink-soft);margin:0}
.eyebrow{display:inline-block;font-size:.82rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--brand);margin-bottom:10px}

/* ---------- Cards ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:6px}
.card .ic{width:46px;height:46px;margin-bottom:6px}
.card h3{margin:0 0 2px;font-size:1.16rem}
.card p{color:var(--ink-soft);font-size:.97rem;margin:0}
.card .more{margin-top:auto;padding-top:12px;font-weight:600;font-size:.95rem}
a.card:hover{border-color:var(--brand-tint);text-decoration:none;transform:translateY(-2px);transition:transform .1s}

.linklist{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:10px 26px;list-style:none;padding:0;margin:0}
.linklist a{display:block;padding:10px 0;border-bottom:1px solid var(--line-soft);color:var(--ink)}
.linklist a:hover{color:var(--brand)}
.linklist a.btn{display:inline-flex;width:auto;border-bottom:0;padding:9px 16px;color:#fff}
.linklist a.btn:hover{color:#fff}
.contact-tg{padding:4px 0 0}

/* ---------- Article layout ---------- */
.article-wrap{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px;padding:30px 0 50px;align-items:start}
.article{max-width:760px}
.article .meta{color:var(--muted);font-size:.9rem;margin:-4px 0 18px;display:flex;flex-wrap:wrap;gap:6px 16px}
.article h1{margin-bottom:.35em}
.article .lead-text{font-size:1.14rem;color:var(--ink-soft)}
.article figure{margin:22px 0}
.article figure figcaption{font-size:.86rem;color:var(--muted);margin-top:8px;text-align:center}
.article .callout{background:var(--accent-tint);border-left:4px solid var(--accent);border-radius:8px;padding:16px 20px;margin:22px 0;color:#0b5b45}
.article .note{background:var(--warn-tint);border-left:4px solid var(--warn);border-radius:8px;padding:16px 20px;margin:22px 0;color:#7a4a12}
.datatable{width:100%;border-collapse:collapse;margin:18px 0;font-size:.97rem}
.datatable th,.datatable td{border:1px solid var(--line);padding:10px 13px;text-align:left;vertical-align:top}
.datatable th{background:var(--bg-tint);font-weight:600}
.datatable tr:nth-child(even) td{background:var(--bg-soft)}

/* Sidebar */
.sidebar{position:sticky;top:84px;display:flex;flex-direction:column;gap:20px}
.widget{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.widget h4{font-size:.82rem;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);margin:0 0 12px}
.widget ul{list-style:none;padding:0;margin:0}
.widget li{margin:0;border-bottom:1px solid var(--line-soft)}
.widget li:last-child{border:0}
.widget li a{display:block;padding:9px 0;font-size:.96rem;color:var(--ink)}
.widget li a:hover{color:var(--brand)}
.widget-cta{background:linear-gradient(160deg,var(--brand),#3f6ae0);color:#fff}
.widget-cta h4{color:rgba(255,255,255,.8)}
.widget-cta p{font-size:.95rem;color:rgba(255,255,255,.92);margin:0 0 14px}
.widget-cta .btn{width:100%;justify-content:center;background:#fff;color:var(--brand)}
.widget-cta .btn:hover{background:#eef}

/* Related & interlink */
.related{border-top:1px solid var(--line);margin-top:40px;padding-top:26px}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 0}
.tag-list a{background:var(--bg-soft);border:1px solid var(--line);border-radius:999px;padding:5px 13px;font-size:.87rem;color:var(--ink-soft)}
.tag-list a:hover{border-color:var(--brand);color:var(--brand);text-decoration:none}

/* ---------- FAQ ---------- */
.faq{margin:30px 0}
.faq details{border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:10px;background:#fff;overflow:hidden}
.faq summary{cursor:pointer;padding:16px 20px;font-weight:600;list-style:none;position:relative;padding-right:46px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:20px;top:14px;font-size:1.4rem;color:var(--brand);font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq details[open] summary{border-bottom:1px solid var(--line-soft)}
.faq .faq-body{padding:14px 20px 18px;color:var(--ink-soft)}
.faq .faq-body p:last-child{margin-bottom:0}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(150deg,var(--brand-dark),var(--brand));color:#fff;border-radius:20px;padding:38px 40px;margin:36px 0;display:grid;grid-template-columns:1fr auto;gap:26px;align-items:center}
.cta-band h2{color:#fff;margin:0 0 .3em}
.cta-band p{color:rgba(255,255,255,.9);margin:0;max-width:560px}
.cta-band .btn{background:#fff;color:var(--brand-dark);white-space:nowrap}
.cta-band .btn:hover{background:#eef}

/* ---------- Form ---------- */
.lead-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.form-row{margin-bottom:14px}
.form-row label{display:block;font-weight:600;font-size:.92rem;margin-bottom:6px}
.form-row input,.form-row textarea{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;font:inherit;font-size:1rem;color:var(--ink);background:#fff}
.form-row input:focus,.form-row textarea:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-tint)}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:.86rem;color:var(--muted);margin-bottom:12px}
.consent input{margin-top:3px;flex:0 0 auto;width:17px;height:17px;accent-color:var(--brand)}
.consent a{color:var(--ink-soft);text-decoration:underline}
.form-note{font-size:.82rem;color:var(--muted);margin-top:10px}
.form-msg{margin:12px 0 0;padding:11px 13px;border-radius:9px;background:var(--warn-tint);color:var(--warn);font-size:.92rem;font-weight:600;line-height:1.4}
.form-msg[hidden]{display:none}

/* ---------- Footer ---------- */
.site-footer{background:#141b2b;color:#aeb8ce;margin-top:60px;padding:48px 0 26px;font-size:.94rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.site-footer h5{color:#fff;font-size:.82rem;letter-spacing:.06em;text-transform:uppercase;margin:0 0 14px}
.site-footer a{color:#c3cbe0}
.site-footer a:hover{color:#fff}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin:7px 0}
.footer-brand .logo{color:#fff;margin-bottom:12px}
.footer-brand p{color:#8b96b0;font-size:.9rem;max-width:320px}
.contacts-line{color:#c3cbe0;margin:6px 0}
.contacts-line b{color:#fff}
.requisites{border-top:1px solid #263049;margin-top:30px;padding-top:20px;color:#7f8aa6;font-size:.82rem;line-height:1.6}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;border-top:1px solid #263049;margin-top:20px;padding-top:18px;color:#7f8aa6;font-size:.82rem}

/* ---------- Misc ---------- */
.to-top{position:fixed;right:20px;bottom:20px;width:46px;height:46px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:opacity .2s;z-index:30;font-size:1.3rem;border:0;cursor:pointer}
.to-top.show{opacity:1;pointer-events:auto}
.legal-doc{max-width:820px;margin:0 auto}
.legal-doc h2{font-size:1.25rem}
.legal-doc ol{padding-left:1.4em}
.legal-doc .updated{color:var(--muted);font-size:.9rem}
.page-hero{background:var(--bg-soft);border-bottom:1px solid var(--line-soft);padding:28px 0 26px}
.page-hero h1{margin:0}
.page-hero p{color:var(--ink-soft);margin:.5em 0 0;max-width:720px}
.err404{text-align:center;padding:70px 0}
.err404 .big{font-size:5rem;font-weight:800;color:var(--brand-tint)}

/* ---------- Telegram-кнопка ---------- */
.btn-tg{background:#229ED9;color:#fff;gap:9px}
.btn-tg:hover{background:#1c8ec4;color:#fff}
.btn-tg svg{width:19px;height:19px;flex:0 0 19px}
.cta-actions{display:flex;flex-direction:column;gap:10px;align-items:stretch}
.cta-band .cta-actions .btn{justify-content:center;white-space:nowrap}
.cta-band .btn-tg{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.6)}
.cta-band .btn-tg:hover{background:rgba(255,255,255,.14);color:#fff}
.widget-cta .btn-tg{background:#229ED9;color:#fff;margin-top:9px}
.widget-cta .btn-tg:hover{background:#1c8ec4;color:#fff}
.btn-sm{padding:8px 15px;font-size:.9rem}
.lead-form-tg{width:100%;justify-content:center;margin-top:10px}
.article-form{margin-top:34px}
.contact-tg{margin-top:4px}

/* ---------- Акцентная форма (контакты) ---------- */
.lead-form--accent{border:0;box-shadow:0 14px 46px rgba(47,91,214,.20);position:relative;overflow:hidden;background:linear-gradient(180deg,#fbfcff,#fff)}
.lead-form--accent::before{content:"";position:absolute;left:0;top:0;right:0;height:6px;background:linear-gradient(90deg,var(--brand),var(--accent))}
.lead-form--accent{padding-top:30px}
.lead-form--accent h3{font-size:1.4rem;margin-bottom:4px}
.form-badge{display:inline-block;background:var(--accent-tint);color:#0b5b45;font-weight:700;font-size:.78rem;letter-spacing:.02em;text-transform:uppercase;padding:5px 13px;border-radius:999px;margin-bottom:12px}
.form-sub{color:var(--ink-soft);font-size:.95rem;margin:-2px 0 14px}
.form-hint{font-size:.85rem;color:var(--muted);margin:-4px 0 14px}
.contacts-form-col{position:sticky;top:84px}

/* ---------- Responsive ---------- */
@media (max-width:920px){
  .hero-grid{grid-template-columns:1fr;gap:26px}
  .hero-art{max-width:420px}
  .article-wrap{grid-template-columns:1fr}
  .sidebar{position:static;flex-direction:row;flex-wrap:wrap}
  .sidebar .widget{flex:1 1 260px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-band{grid-template-columns:1fr}
}
@media (max-width:720px){
  body{font-size:16px}
  h1,.hero h1{font-size:1.8rem}
  h2{font-size:1.35rem}
  .menu-toggle{display:inline-flex;margin-left:auto;flex-direction:column;gap:5px;background:none;border:0;padding:10px;cursor:pointer}
  .menu-toggle span{width:24px;height:2px;background:var(--ink);border-radius:2px}
  .nav{position:fixed;inset:66px 0 auto 0;background:#fff;border-bottom:1px solid var(--line);margin:0;max-height:0;overflow:hidden;transition:max-height .25s ease;box-shadow:var(--shadow)}
  .menu-checkbox:checked ~ .nav{max-height:80vh}
  .nav ul{flex-direction:column;padding:8px}
  .nav a{padding:12px 14px}
  .header-cta{display:none}
  .cta-band{padding:26px}
  .footer-grid{grid-template-columns:1fr}
  .section{padding:32px 0}
}