:root{--navy:#0B1020;--navy2:#111A2E;--line:#22304d;--blue:#3B82F6;--soft:#DBEAFE;--bg:#F6F8FC;--ink:#111827;--mute:#64748B;--mute2:#9fb0cc;--r:16px;color-scheme:dark}
html{scroll-behavior:smooth;scroll-padding-top:80px}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;font-family:Geist,Inter,system-ui,-apple-system,Segoe UI,sans-serif;background:var(--navy);color:#fff;line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:inherit}h1,h2,h3{line-height:1.15;margin:0;letter-spacing:-.02em}p{margin:0}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:6px}
.wrap{max-width:1160px;margin:0 auto;padding:0 20px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 22px;border-radius:999px;font-weight:600;text-decoration:none;border:1px solid transparent;cursor:pointer;font:inherit;font-weight:600;transition:transform .2s,box-shadow .2s,background .2s}
.btn.p{background:var(--blue);color:#fff;box-shadow:0 8px 28px -8px rgba(59,130,246,.7)}.btn.p:hover{transform:translateY(-2px);background:#2f73e6}
.btn.g{border-color:#33456b;color:#fff;background:transparent}.btn.g:hover{border-color:var(--blue);background:rgba(59,130,246,.1)}
/* nav */
header{position:sticky;top:0;z-index:50;background:rgba(11,16,32,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;text-decoration:none;font-size:1.05rem}
.mono{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,#3B82F6,#1d4ed8);display:grid;place-items:center;font-size:.8rem;font-weight:700}
nav ul{display:flex;gap:26px;list-style:none;margin:0;padding:0;align-items:center}
nav a.l{text-decoration:none;color:var(--mute2);font-size:.95rem;transition:color .2s}nav a.l:hover,nav a.l[aria-current]{color:#fff}
.burger{display:none;background:none;border:1px solid var(--line);color:#fff;border-radius:10px;width:42px;height:42px;font-size:1.2rem;cursor:pointer}
@media(max-width:820px){.burger{display:block}nav ul{display:none;position:absolute;top:68px;left:0;right:0;background:var(--navy2);flex-direction:column;padding:20px;gap:18px;border-bottom:1px solid var(--line)}nav ul.open{display:flex}}
/* page hero */
.phero{padding:64px 0 48px;background:radial-gradient(900px 400px at 80% 0,rgba(59,130,246,.22),transparent 60%),var(--navy);border-bottom:1px solid var(--line)}
.eyebrow{color:#8db4ff;font-size:.78rem;letter-spacing:.12em;font-weight:600;margin-bottom:16px}
h1{font-size:clamp(2.1rem,5vw,3.2rem);font-weight:700}
.phero .meta{color:var(--mute2);margin-top:16px;font-size:.95rem}
.legalnav{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.legalnav a{border:1px solid #2c4a85;color:#bcd4ff;border-radius:99px;padding:6px 16px;font-size:.88rem;text-decoration:none}
.legalnav a:hover,.legalnav a[aria-current]{background:rgba(59,130,246,.25);color:#fff}
/* doc */
.docwrap{padding:56px 0 84px;background:var(--navy)}
.doc{display:grid;grid-template-columns:240px 1fr;gap:48px;align-items:start}
.toc{position:sticky;top:90px;background:var(--navy2);border:1px solid var(--line);border-radius:16px;padding:18px}
.toc b{display:block;font-size:.8rem;letter-spacing:.1em;color:#8db4ff;margin-bottom:10px}
.toc ol{margin:0;padding-left:18px;display:grid;gap:6px;font-size:.88rem}
.toc a{text-decoration:none;color:var(--mute2)}.toc a:hover{color:#fff}
.body{max-width:760px}
.body section{padding:0;margin-bottom:36px}
.body h2{font-size:1.35rem;margin-bottom:12px;color:#fff}
.body p,.body li{color:#cbd5e1;font-size:1rem}
.body p+p{margin-top:12px}
.body ul,.body ol{padding-left:22px;margin:10px 0}.body li{margin-bottom:6px}
.body a{color:#8db4ff}
.body strong{color:#fff}
.callout{background:var(--navy2);border:1px solid var(--line);border-left:3px solid var(--blue);border-radius:12px;padding:16px 18px;margin:16px 0}
.callout p{margin:0!important}
.tbl{width:100%;border-collapse:collapse;margin:14px 0;font-size:.93rem}
.tbl th,.tbl td{text-align:left;padding:10px 12px;border:1px solid var(--line);vertical-align:top;color:#cbd5e1}
.tbl th{background:var(--navy2);color:#fff}
.tblwrap{overflow-x:auto}
.steps{counter-reset:s;list-style:none;padding:0!important;margin:16px 0!important;display:grid;gap:12px}
.steps li{counter-increment:s;position:relative;padding:14px 16px 14px 60px;background:var(--navy2);border:1px solid var(--line);border-radius:14px}
.steps li::before{content:counter(s);position:absolute;left:14px;top:14px;width:32px;height:32px;border-radius:50%;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:700;font-size:.9rem}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.msgbox{background:#0b1224;border:1px dashed #33456b;border-radius:12px;padding:14px 16px;color:#e2e8f0;font-size:.95rem;margin-top:10px}
@media(max-width:900px){.doc{grid-template-columns:1fr;gap:28px}.toc{position:static}}
/* footer */
footer{border-top:1px solid var(--line);padding:50px 0 30px;background:var(--navy);font-size:.92rem;color:var(--mute2)}
.fg{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
footer h4{color:#fff;margin:0 0 10px;font-size:.9rem}footer ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
footer a{text-decoration:none;color:var(--mute2)}footer a:hover{color:#fff}
.copy{margin-top:34px;padding-top:20px;border-top:1px solid var(--line);font-size:.85rem}
@media(max-width:820px){.fg{grid-template-columns:1fr 1fr}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}