:root{--ink:#0f172a;--mut:#475569;--blue:#1d4ed8;--navy:#0b1b4d;--line:#d8dee9;--bg:#f5f7fb;--err:#c62828}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font:17px/1.65 "Segoe UI",system-ui,Arial,sans-serif;color:var(--ink);background:#fff}
a{color:var(--blue)}h1,h2,h3{line-height:1.2;margin:0 0 .5em;color:var(--navy)}
h1{font-size:clamp(34px,5vw,54px)}h2{font-size:clamp(24px,3vw,32px);margin-top:1.6em}
.wrap{max-width:1040px;margin:0 auto;padding:0 22px}
header{position:sticky;top:0;z-index:10;background:#fff;border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;justify-content:space-between;min-height:68px;gap:16px}
.logo{font-weight:800;font-size:22px;color:var(--navy);text-decoration:none}.logo b{color:var(--blue)}
nav ul{list-style:none;display:flex;gap:4px;margin:0;padding:0}
nav a{display:block;padding:9px 12px;text-decoration:none;color:var(--ink);font-weight:500;border-bottom:2px solid transparent}
nav a:hover,nav a[aria-current=page]{color:var(--blue);border-color:var(--blue)}
#menu{display:none;background:none;border:1px solid var(--line);padding:8px 14px;border-radius:4px;font:inherit}
.btn{display:inline-block;background:var(--blue);color:#fff;padding:13px 24px;border:0;border-radius:4px;font:600 16px inherit;text-decoration:none;cursor:pointer}
.btn:hover{background:var(--navy)}.btn.alt{background:#fff;color:var(--blue);border:1px solid var(--blue)}
.band{background:var(--navy);color:#e6ecff;text-align:center;padding:16px 22px;font-size:16px}
.hero{padding:80px 0 70px;background:var(--bg)}.hero p{max-width:34em;color:var(--mut);font-size:19px}
.hero .row{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
section.pad{padding:64px 0}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:26px}
.card{border:1px solid var(--line);border-top:4px solid var(--blue);padding:24px;border-radius:4px;background:#fff}
.card h3{font-size:22px}.card p{margin:0;color:var(--mut)}
.steps{counter-reset:s;list-style:none;padding:0;margin:26px 0 0}
.steps li{counter-increment:s;padding:0 0 18px 54px;position:relative}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:38px;height:38px;border-radius:50%;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:700}
.doc{max-width:820px;padding:56px 22px 70px;margin:0 auto}.doc ul{padding-left:22px}.doc li{margin:.6em 0}
.upd{color:var(--mut);font-size:15px}
.note{background:var(--bg);border-left:4px solid var(--blue);padding:16px 18px;border-radius:3px;font-size:15.5px;color:var(--mut)}
form{display:grid;gap:18px;margin-top:22px}fieldset{border:1px solid var(--line);border-radius:4px;padding:20px;display:grid;gap:16px;margin:0}
legend{font-weight:700;color:var(--navy);padding:0 8px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
label{display:grid;gap:6px;font-weight:600;font-size:15px}label small{font-weight:400;color:var(--mut)}
input,select,textarea{font:inherit;padding:11px 12px;border:1px solid #aab4c5;border-radius:4px;width:100%;background:#fff}
input:focus,select:focus,textarea:focus{outline:3px solid #bcd0ff;border-color:var(--blue)}
.err{color:var(--err);font-size:14px;font-weight:500}[aria-invalid=true]{border-color:var(--err)}
.chk{display:flex;gap:10px;align-items:flex-start;font-weight:400;font-size:15px}.chk input{width:auto;margin-top:5px}
.ok{display:none;background:#e9f7ee;border:1px solid #2e7d32;padding:22px;border-radius:4px;margin-top:22px}
footer{background:var(--navy);color:#cbd5f5;padding:34px 0;font-size:15px;margin-top:40px}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px}footer a{color:#fff}
@media(max-width:800px){#menu{display:block}nav{position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);display:none}
nav.open{display:block}nav ul{flex-direction:column;padding:8px 22px 14px}.grid,.two{grid-template-columns:1fr}}