:root{--bg:#f6f7fb;--surface:#fff;--surface2:#f0f3ff;--ink:#101524;--muted:#5a6275;--line:#e2e7f3;--brand:#294cff;--brand2:#00b894;--dark:#0c1222;--warning:#fff5d6;--radius:24px;--shadow:0 24px 70px rgba(21,32,70,.12)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.65}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}.container{width:min(1180px,calc(100% - 40px));margin:0 auto}.narrow{width:min(860px,calc(100% - 40px));margin:0 auto}.skip{position:absolute;left:-999px}.skip:focus{left:20px;top:20px;background:#fff;padding:10px 14px;border-radius:10px;z-index:20}.site-header{position:sticky;top:0;background:rgba(255,255,255,.88);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);z-index:10}.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.logo{display:inline-flex;align-items:center;gap:8px;font-weight:900;font-size:22px;letter-spacing:-.04em}.logo span{display:grid;place-items:center;width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,var(--brand),#7b5cff);color:#fff}.main-nav{display:flex;align-items:center;gap:6px}.main-nav a{padding:10px 14px;border-radius:999px;color:var(--muted);font-weight:700}.main-nav a:hover,.main-nav a[aria-current=page]{background:var(--surface2);color:var(--ink)}
.header-actions{display:flex;align-items:center;gap:8px}.btn-sm{padding:10px 15px;font-size:14px}.article-top-actions{display:flex;gap:12px;flex-wrap:wrap;margin:26px 0 4px}.article-top-actions .btn{min-width:150px}
.burger{display:none;background:none;border:0;gap:4px;flex-direction:column}.burger span{width:24px;height:2px;background:var(--ink);display:block}.notice{font-size:13px;color:#6d5a00;background:#fff8dc;border-top:1px solid #f3df91;padding:8px 0}.hero{padding:62px 0 42px;background:radial-gradient(circle at 10% 20%,#e9efff 0,transparent 36%),radial-gradient(circle at 85% 20%,#e6fff7 0,transparent 32%)}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}.eyebrow{display:inline-block;font-size:12px;font-weight:900;letter-spacing:.12em;text-transform:uppercase;color:var(--brand);margin-bottom:12px}.hero h1,.page-hero h1,.article-hero h1{font-size:clamp(38px,5vw,70px);line-height:.96;letter-spacing:-.06em;margin:0 0 22px}.hero p,.page-hero p,.lead{font-size:20px;color:var(--muted);max-width:760px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:28px 0}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:999px;padding:14px 22px;font-weight:900;cursor:pointer;transition:.2s transform}.btn:hover{transform:translateY(-2px)}.btn-primary{background:linear-gradient(135deg,var(--brand),#7b5cff);color:#fff;box-shadow:0 16px 32px rgba(41,76,255,.25)}.btn-soft{background:#fff;color:var(--ink);border:1px solid var(--line)}.trust-row{display:flex;gap:10px;flex-wrap:wrap}.trust-row span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 12px;font-size:13px;color:var(--muted);font-weight:700}.hero-panel{position:relative}.hero-panel img{filter:drop-shadow(0 30px 60px rgba(41,76,255,.18))}.panel-card{position:absolute;right:0;bottom:24px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px;box-shadow:var(--shadow);width:min(320px,90%)}.panel-card p{margin:4px 0 0;color:var(--muted)}.section{padding:58px 0}.section-head{margin-bottom:24px}.section-head h2{font-size:clamp(28px,4vw,44px);line-height:1.05;letter-spacing:-.04em;margin:0 0 10px}.section-head p{color:var(--muted);font-size:18px}.cluster-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.cluster{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 12px 36px rgba(21,32,70,.05);transition:.2s}.cluster:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.cluster span{display:grid;place-items:center;width:42px;height:42px;border-radius:14px;background:var(--surface2);color:var(--brand);font-weight:900;margin-bottom:14px}.cluster b{display:block;font-size:18px;margin-bottom:8px}.cluster small{color:var(--muted)}.cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 14px 36px rgba(21,32,70,.06);display:flex;flex-direction:column;gap:12px}.card h3{font-size:22px;line-height:1.15;margin:0;letter-spacing:-.025em}.card h3 a:hover{color:var(--brand)}.card p{color:var(--muted);margin:0}.card-kicker{font-size:12px;text-transform:uppercase;letter-spacing:.1em;color:var(--brand);font-weight:900}.chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:auto}.chips span{font-size:12px;background:var(--surface2);color:#35405a;padding:6px 10px;border-radius:999px;font-weight:700}.chips.large{margin:22px 0 0}.chips.large span{font-size:14px}.split{display:grid;grid-template-columns:1fr 1fr;gap:18px}.info-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:0 14px 36px rgba(21,32,70,.06)}.info-box h2{margin-top:0}.info-box p{color:var(--muted)}.info-box.dark{background:linear-gradient(135deg,#101524,#18233f);color:#fff}.info-box.dark p{color:#cbd4ee}.page-hero{padding:44px 0;background:linear-gradient(180deg,#eef3ff,#f6f7fb)}.breadcrumbs{font-size:14px;margin-bottom:20px;color:var(--muted);display:flex;gap:8px;flex-wrap:wrap}.breadcrumbs a{color:var(--brand);font-weight:700}.search-box{display:flex;gap:10px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px;margin-bottom:28px;box-shadow:0 14px 36px rgba(21,32,70,.06)}.search-box input{flex:1;border:0;background:transparent;padding:0 16px;font-size:16px;outline:none}.article-hero{padding:44px 0 34px;background:linear-gradient(180deg,#eef3ff,#fff)}.article-meta{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}.article-meta span{font-size:13px;font-weight:800;color:var(--muted);background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 10px}.article-layout{display:grid;grid-template-columns:250px 1fr;gap:38px;align-items:start;padding:42px 0 72px}.toc{position:sticky;top:110px;background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px;display:flex;flex-direction:column;gap:9px}.toc b{margin-bottom:6px}.toc a{color:var(--muted);font-weight:700;font-size:14px}.toc a:hover{color:var(--brand)}.article-content{background:#fff;border:1px solid var(--line);border-radius:28px;padding:34px;box-shadow:var(--shadow)}.article-content h2{font-size:30px;line-height:1.12;letter-spacing:-.035em;margin:30px 0 12px}.article-content p{font-size:18px;color:#333b4f}.steps-box{background:#f7f9ff;border:1px solid var(--line);border-radius:22px;padding:22px}.steps-box h2{margin-top:0}.steps-box li{margin:8px 0;font-weight:700}.cta-box{margin:34px 0;padding:28px;border-radius:26px;background:radial-gradient(circle at 15% 15%,#e6fff7,transparent 40%),linear-gradient(135deg,#f3f6ff,#fff);border:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:22px}.cta-box h2{margin:0 0 8px}.cta-box p{margin:0;color:var(--muted)}.faq details{background:#f8f9fd;border:1px solid var(--line);border-radius:18px;margin:10px 0;padding:16px}.faq summary{cursor:pointer;font-weight:900}.warning-box{background:var(--warning);border:1px solid #f1d47b;border-radius:22px;padding:22px;margin-top:28px}.doc{background:#fff;border:1px solid var(--line);border-radius:28px;padding:34px;margin-top:36px;margin-bottom:72px;box-shadow:var(--shadow)}.doc h2{font-size:28px;letter-spacing:-.03em;margin-top:28px}.doc p,.doc li{color:#35405a;font-size:17px}.contact-form{background:#fff;border:1px solid var(--line);border-radius:28px;padding:28px;box-shadow:var(--shadow);display:grid;gap:16px}.contact-form label{display:grid;gap:8px;font-weight:800}.contact-form input,.contact-form textarea{border:1px solid var(--line);border-radius:16px;padding:14px;font:inherit}.contact-form .check{display:flex;align-items:flex-start;font-weight:600;color:var(--muted)}.success,.error{border-radius:18px;padding:16px;margin-bottom:16px;font-weight:800}.success{background:#e9fff7;color:#087a56}.error{background:#fff0f0;color:#9a1d1d}.site-footer{background:var(--dark);color:#fff;padding:46px 0 24px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:34px}.footer-grid p{color:#aeb9d5}.footer-grid a{display:block;color:#dce4fb;margin:8px 0}.footer-grid a:hover{color:#fff}.logo-footer span{background:#fff;color:var(--brand)}.small{font-size:14px}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:28px;padding-top:18px;color:#aeb9d5;font-size:14px}@media(max-width:920px){.hero-grid,.split,.article-layout{grid-template-columns:1fr}.cards-grid,.cluster-grid{grid-template-columns:repeat(2,1fr)}.toc{position:static}.main-nav{display:none;position:absolute;right:20px;top:78px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:12px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.header-actions{display:none}.burger{display:flex}.hero-panel{display:none}.cta-box{flex-direction:column;align-items:flex-start}.footer-grid{grid-template-columns:1fr}}@media(max-width:620px){.container,.narrow{width:min(100% - 24px,1180px)}.cards-grid,.cluster-grid{grid-template-columns:1fr}.hero{padding-top:34px}.hero h1,.page-hero h1,.article-hero h1{font-size:38px}.article-content,.doc{padding:22px;border-radius:20px}.search-box{border-radius:20px;flex-direction:column}.btn{width:100%}}/* Strict mobile CTA fix: keep login/register visible in header */
.cta-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}.cta-compact p{max-width:520px}.article-hero .lead{margin-bottom:0}.site-header .header-actions .btn{white-space:nowrap}
@media(max-width:920px){.header-actions{display:flex}.nav-wrap{height:68px;gap:10px}.main-nav{right:12px;top:70px}.burger{display:flex}.site-header .logo{font-size:19px}.site-header .logo span{width:36px;height:36px;border-radius:12px}.site-header .header-actions{margin-left:auto}.site-header .header-actions .btn{padding:9px 12px;font-size:13px}.cta-actions{width:100%;justify-content:flex-start}.cta-actions .btn{width:auto}.article-top-actions .btn{width:auto;min-width:130px}}
@media(max-width:620px){.site-header .nav-wrap{width:min(100% - 16px,1180px);gap:6px}.site-header .logo b{display:none}.site-header .header-actions{gap:5px}.site-header .header-actions .btn{width:auto;padding:8px 9px;font-size:12px}.burger span{width:21px}.hero-actions .btn,.article-top-actions .btn,.cta-actions .btn{width:100%}.article-top-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}.article-top-actions .btn{min-width:0}.cta-actions{display:grid;grid-template-columns:1fr;gap:10px}.article-meta span{font-size:12px}}