:root{
  --bg:#f8f9fc;--surface:#fff;--ink:#14163a;--muted:#555a78;--line:#e3e6f0;
  --primary:#4f46e5;--primary-ink:#fff;--accent:#0d9488;--warm:#d97706;
  --grad:linear-gradient(135deg,#6366f1,#14b8a6);
  --radius:16px;--shadow:0 10px 30px rgba(20,22,58,.08);
}
:root[data-theme="dark"]{
  --bg:#0c0e24;--surface:#14173a;--ink:#eef0ff;--muted:#a4a9cf;--line:#262a55;
  --primary:#8b8cff;--primary-ink:#0c0e24;--accent:#2dd4bf;--warm:#fbbf24;
  --shadow:0 10px 30px rgba(0,0,0,.4);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0c0e24;--surface:#14173a;--ink:#eef0ff;--muted:#a4a9cf;--line:#262a55;
    --primary:#8b8cff;--primary-ink:#0c0e24;--accent:#2dd4bf;--warm:#fbbf24;
    --shadow:0 10px 30px rgba(0,0,0,.4);
  }
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
img{max-width:100%;display:block}
a{color:var(--primary)}
.wrap{width:min(1120px,100% - 32px);margin-inline:auto}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:16px;background:var(--surface);padding:8px 12px;z-index:99}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}

header.site{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:800;font-size:1.2rem;letter-spacing:-.02em}
.brand img{width:36px;height:36px}
.menu{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0}
.menu a{display:block;padding:8px 12px;border-radius:10px;text-decoration:none;color:var(--ink);font-weight:500}
.menu a:hover,.menu a[aria-current="page"]{background:var(--line)}
.tools{display:flex;gap:8px;align-items:center}
.icon-btn{border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:10px;width:40px;height:40px;cursor:pointer;font-size:1.1rem}
#menu-btn{display:none}

.btn{display:inline-block;padding:12px 22px;border-radius:12px;font-weight:600;text-decoration:none;border:1px solid transparent;cursor:pointer;font-size:1rem}
.btn.primary{background:var(--grad);color:#fff}
.btn.ghost{border-color:var(--line);color:var(--ink);background:var(--surface)}
.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow)}

.hero{padding:88px 0 72px;background:radial-gradient(900px 400px at 85% -10%,rgba(99,102,241,.22),transparent),radial-gradient(700px 400px at 0% 10%,rgba(20,184,166,.18),transparent)}
.hero h1{font-size:clamp(2.1rem,5vw,3.6rem);line-height:1.1;letter-spacing:-.03em;margin:0 0 18px;max-width:18ch}
.hero h1 span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:1.2rem;color:var(--muted);max-width:60ch}
.hero .cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

section{padding:64px 0}
h2{font-size:clamp(1.6rem,3vw,2.2rem);letter-spacing:-.02em;margin:0 0 12px}
.sub{color:var(--muted);max-width:62ch;margin:0 0 32px}
.grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.card h3{margin:12px 0 8px}
.card p{margin:0;color:var(--muted)}
.ico{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;font-size:1.5rem;background:var(--line)}
.band{background:var(--surface);border-block:1px solid var(--line)}
.two{display:grid;gap:32px;grid-template-columns:1fr 1fr;align-items:start}
.pill{display:inline-block;padding:4px 12px;border-radius:99px;background:var(--line);font-size:.85rem;font-weight:600;color:var(--muted)}

.page-head{padding:56px 0 24px;border-bottom:1px solid var(--line);background:var(--surface)}
.page-head h1{margin:0 0 8px;font-size:clamp(1.8rem,4vw,2.6rem);letter-spacing:-.02em}
.page-head p{margin:0;color:var(--muted)}
.prose{max-width:78ch;padding:40px 0 72px}
.prose h2{font-size:1.45rem;margin-top:36px}
.prose li{margin:6px 0}
.facts{list-style:none;padding:0;margin:0;display:grid;gap:14px}
.facts li{display:flex;gap:12px}
.facts b{min-width:110px}

form.contact{display:grid;gap:14px}
label{font-weight:600;font-size:.95rem}
input,textarea{width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--line);background:var(--bg);color:var(--ink);font:inherit}

footer.site{background:var(--surface);border-top:1px solid var(--line);padding:48px 0 24px;margin-top:0}
.foot{display:grid;gap:32px;grid-template-columns:2fr 1fr 1fr 1fr}
.foot h4{margin:0 0 10px;font-size:.95rem}
.foot ul{list-style:none;margin:0;padding:0}
.foot a{color:var(--muted);text-decoration:none}.foot a:hover{color:var(--ink)}
.foot p{color:var(--muted);margin:6px 0}
.legal{border-top:1px solid var(--line);margin-top:32px;padding-top:18px;color:var(--muted);font-size:.9rem}

@media (max-width:860px){
  .two,.foot{grid-template-columns:1fr}
  #menu-btn{display:block}
  .menu{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;align-items:stretch;background:var(--bg);border-bottom:1px solid var(--line);padding:12px 16px}
  .menu.open{display:flex}
  .hero{padding:56px 0 48px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}.btn:hover{transform:none}}