:root{
  --bg:#0E1030;--surface:#171A46;--surface2:#20245A;--border:#2A2F68;--border2:#363C7D;
  --accent:#4D6BFF;--accent-dark:#3A54D9;--accent-light:#7B93FF;--accent-cyan:#30D6FF;
  --accent-tint:rgba(77,107,255,.10);--accent-glow:rgba(77,107,255,.35);
  --text:#FFFFFF;--text-2:#C4CAE8;--muted:#8E96BE;--success:#30D158;--warning:#FFB020;--danger:#FF5A6A;
  --code-bg:#11153A;--code-border:rgba(77,107,255,.25);--max:1180px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,Arial,sans-serif;line-height:1.72}
a{color:var(--accent-light);text-decoration:none}a:hover{color:#a9b6ff}img{max-width:100%;height:auto;display:block}
.container{width:min(var(--max),calc(100% - 48px));margin:auto}.narrow{width:min(860px,calc(100% - 48px));margin:auto}
.site-header{position:sticky;top:0;z-index:60;background:rgba(14,16,48,.96);backdrop-filter:blur(14px);border-bottom:.5px solid var(--border)}
.nav{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:18px}.logo img{height:34px;width:auto}
.nav-links{display:flex;gap:18px;align-items:center;font-size:14px;font-weight:700}.nav-links a{color:var(--text-2)}.nav-links a.active,.nav-links a:hover{color:#fff}
.nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:12px;padding:13px 20px;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--accent),var(--accent-dark));border:1px solid transparent;transition:.2s;cursor:pointer}
.btn:hover,.nav-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 8px 28px var(--accent-glow)}
.btn.secondary{background:var(--surface2);border-color:var(--border2)}.btn.ghost{background:transparent;border-color:var(--border2)}
.menu-toggle{display:none;background:var(--surface2);border:1px solid var(--border);color:#fff;border-radius:10px;padding:9px 12px;font-size:20px}
.hero{padding:76px 0 58px;background:
radial-gradient(circle at 82% 12%,rgba(48,214,255,.13),transparent 27%),
radial-gradient(circle at 72% 28%,rgba(77,107,255,.25),transparent 38%),
linear-gradient(180deg,#0E1030,#11143B)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}.eyebrow,.badge{display:inline-block;background:var(--accent-tint);color:var(--accent-light);border:1px solid var(--code-border);padding:7px 11px;border-radius:999px;font-size:13px;font-weight:800;letter-spacing:.05em;text-transform:uppercase}
h1,h2,h3{line-height:1.14;margin:0 0 18px}h1{font-size:clamp(42px,6vw,70px);letter-spacing:-.035em}h2{font-size:clamp(30px,4vw,44px);letter-spacing:-.025em}h3{font-size:23px}
.lead{font-size:19px;color:var(--text-2);max-width:780px}.muted{color:var(--muted)}.hero-actions,.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.promo-card{background:linear-gradient(180deg,var(--surface2),var(--surface));border:1px solid var(--border2);padding:24px;border-radius:22px;box-shadow:0 24px 70px rgba(0,0,0,.28)}
.code-box{display:flex;gap:12px;align-items:center;justify-content:space-between;background:var(--code-bg);border:1px dashed var(--code-border);border-radius:13px;padding:14px 16px;margin:16px 0}
.code{font-family:"Courier New",monospace;font-size:27px;font-weight:900;letter-spacing:.06em}.verified{color:var(--success);font-weight:800}.notice{padding:14px 16px;border-radius:12px;background:rgba(255,176,32,.08);border:1px solid rgba(255,176,32,.28);color:#ffe2a3}
section{padding:72px 0}.alt{background:var(--surface)}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:30px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:var(--surface);border:1px solid var(--border);padding:24px;border-radius:18px}.alt .card{background:var(--surface2)}
.card p,.content p,.content li{color:var(--text-2)}.card h3{margin-bottom:10px}.stat{font-size:32px;font-weight:900}
.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:16px}.table{width:100%;border-collapse:collapse;min-width:720px}.table th,.table td{padding:15px 16px;text-align:left;border-bottom:1px solid var(--border);vertical-align:top}.table th{background:var(--surface2)}
.steps{counter-reset:step}.step{position:relative;padding:24px 24px 24px 72px;background:var(--surface);border:1px solid var(--border);border-radius:18px;margin:18px 0}.step:before{counter-increment:step;content:counter(step);position:absolute;left:22px;top:22px;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--accent);font-weight:900}
.figure{background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:14px;overflow:hidden}.figure img{border-radius:12px}
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.related a{display:block;background:var(--surface2);border:1px solid var(--border2);padding:18px;border-radius:14px;color:#fff;font-weight:800}
.breadcrumbs{font-size:14px;color:var(--muted);padding-top:24px}.breadcrumbs a{color:var(--text-2)}
.faq-item{border-bottom:1px solid var(--border)}.faq-q{width:100%;display:flex;justify-content:space-between;background:none;border:0;color:#fff;text-align:left;padding:18px 0;font-size:18px;font-weight:800;cursor:pointer}.faq-a{display:none;padding:0 0 18px;color:var(--text-2)}.faq-item.open .faq-a{display:block}
.final-cta{text-align:center;background:linear-gradient(135deg,rgba(77,107,255,.18),rgba(23,26,70,.95));border:1px solid var(--border2);border-radius:24px;padding:42px}
footer{border-top:1px solid var(--border);padding:40px 0;color:var(--muted)}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}
.kicker{font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--accent-cyan);font-weight:900}.toc{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:20px}.toc a{display:block;padding:5px 0}
@media(max-width:920px){
 .container,.narrow{width:calc(100% - 32px)}.hero-grid,.grid-2,.grid-3,.footer-grid{grid-template-columns:1fr}.related{grid-template-columns:1fr}
 .nav-links{display:none;position:absolute;left:16px;right:16px;top:74px;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:16px;flex-direction:column;align-items:stretch}
 .nav-links.open{display:flex}.nav-links a{padding:9px 4px}.menu-toggle{display:block}.nav-cta{display:none}.hero{padding:54px 0 42px}section{padding:52px 0}
}
@media(max-width:520px){
 .container,.narrow{width:calc(100% - 28px)}h1{font-size:39px}.lead{font-size:17px}.btn{width:100%}.hero-actions,.cta-row{gap:10px}.promo-card,.card,.step{padding:20px}
 .step{padding-left:62px}.code-box{flex-direction:column;align-items:flex-start}.code-box .btn{width:auto}.nav{min-height:68px}.nav-links{top:68px}.table{min-width:640px}
}