:root{--ink:#0F172A;--muted:#475569;--line:#E6E9F2;--b1:#2D5BFF;--b2:#7C3AED;--bg:#fff;--soft:#F5F7FF}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:var(--b1)}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;border-radius:0 0 8px 0;z-index:1000}
.skip-link:focus{left:0}
:focus-visible{outline:3px solid var(--b1);outline-offset:2px;border-radius:4px}
.wrap{max-width:860px;margin:0 auto;padding:0 24px}
.nav{border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{font-weight:800;font-size:22px;text-decoration:none;color:var(--ink)}
.logo span{background:linear-gradient(135deg,var(--b1),var(--b2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.nav a.back{font-weight:600;text-decoration:none;font-size:15px}
main{padding:56px 0 72px}
h1{font-size:40px;line-height:1.15;letter-spacing:-.02em;margin:0 0 8px}
.updated{color:var(--muted);font-size:15px;margin:0 0 32px}
h2{font-size:22px;margin:36px 0 10px;letter-spacing:-.01em}
h3{font-size:17px;margin:22px 0 6px}
p,li{color:#26324a}
ul{padding-left:22px}
.lead{font-size:18px;color:var(--muted)}
.card{background:var(--soft);border:1px solid var(--line);border-radius:14px;padding:20px 24px;margin:24px 0}
.btn{display:inline-block;background:linear-gradient(135deg,var(--b1),var(--b2));color:#fff;text-decoration:none;font-weight:700;padding:13px 22px;border-radius:10px}
footer.f{border-top:1px solid var(--line);padding:28px 0;color:var(--muted);font-size:14px}
footer.f a{color:var(--muted);text-decoration:none;margin-right:18px}
footer.f a:hover{color:var(--b1)}
/* cookie banner */
#ck{position:fixed;left:16px;right:16px;bottom:16px;max-width:560px;margin:0 auto;background:#fff;border:1px solid var(--line);box-shadow:0 12px 40px rgba(15,23,42,.16);border-radius:14px;padding:18px 20px;z-index:999;display:none}
#ck.show{display:block}
#ck p{margin:0 0 12px;font-size:14px;color:var(--muted)}
#ck .row{display:flex;gap:10px;flex-wrap:wrap}
#ck button{font:inherit;font-weight:700;font-size:14px;border-radius:9px;padding:10px 16px;cursor:pointer;border:1px solid var(--line);background:#fff;color:var(--ink)}
#ck button.acc{background:linear-gradient(135deg,var(--b1),var(--b2));color:#fff;border:none}
/* contact form */
.form label{display:block;font-weight:600;font-size:14px;margin:16px 0 6px;color:var(--ink)}
.form input,.form select,.form textarea{width:100%;font:inherit;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:10px;padding:11px 13px}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--b1);box-shadow:0 0 0 3px rgba(45,91,255,.15)}
.form textarea{resize:vertical;min-height:120px}
.form button.btn{border:none;cursor:pointer;margin-top:18px;font:inherit;font-weight:700}
.form button.btn:disabled{opacity:.6;cursor:default}
.form-status{margin:14px 0 0;font-size:14px;min-height:1px}
.form-status.ok{color:#0a7d33;font-weight:600}
.form-status.err{color:#c0341d;font-weight:600}