:root{
  --bg:#0a0d14;--bg2:#0d1119;--panel:#121724;--panel2:#1a2030;--line:#232b3d;--line2:#303a52;
  --text:#eef2f9;--text2:#c9d0df;--muted:#8f98ad;--accent:#4f8cff;--accentHi:#7fb0ff;--green:#38d39f;--gold:#e8b64c;
  color-scheme:dark;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--text);font-family:"Plus Jakarta Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.6;min-height:100vh;display:flex;flex-direction:column}
a{color:var(--accentHi)}
.wrap{width:100%;max-width:1040px;margin:0 auto;padding:0 20px}

/* top bar */
.top{border-bottom:1px solid var(--line);background:rgba(10,13,20,.86);backdrop-filter:blur(12px);position:sticky;top:0;z-index:10}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:60px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-weight:800;font-size:1.15rem;letter-spacing:-.02em}
.brand img{width:30px;height:30px;border-radius:8px}
.top nav{display:flex;gap:18px}
.top nav a{color:var(--muted);text-decoration:none;font-size:.88rem;font-weight:600}
.top nav a:hover,.top nav a[aria-current]{color:var(--text)}

/* hero */
.hero{padding:88px 0 56px;text-align:center;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:-40% -20% auto;height:520px;background:radial-gradient(closest-side,rgba(79,140,255,.20),transparent 70%),radial-gradient(closest-side at 70% 60%,rgba(56,211,159,.12),transparent 70%);pointer-events:none}
.hero>*{position:relative}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:.78rem;font-weight:700;color:var(--green);border:1px solid #1f6b52;background:#0f2e23;border-radius:999px;padding:4px 12px;margin-bottom:22px}
.hero h1{font-size:clamp(2.3rem,7vw,4.2rem);line-height:1.05;letter-spacing:-.04em;font-weight:800}
.hero h1 span{color:var(--accentHi)}
.hero p.sub{color:var(--text2);font-size:clamp(1rem,2.4vw,1.2rem);max-width:600px;margin:20px auto 0}
.cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:34px}
.btn{display:inline-flex;align-items:center;gap:10px;padding:13px 20px;border-radius:14px;font-weight:700;font-size:.95rem;text-decoration:none;border:1px solid var(--line2);background:var(--panel2);color:var(--text);min-height:48px}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn:hover{filter:brightness(1.08)}
.btn small{display:block;font-size:.7rem;font-weight:600;opacity:.75;line-height:1.1}
.btn svg{width:22px;height:22px;flex:none}
.note{color:var(--muted);font-size:.82rem;margin-top:14px}

/* features */
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;padding:24px 0 72px}
.feature{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:22px}
.feature .ic{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-size:1.25rem;background:var(--panel2);border:1px solid var(--line2);margin-bottom:14px}
.feature h3{font-size:1.05rem;letter-spacing:-.01em;margin-bottom:6px}
.feature p{color:var(--muted);font-size:.92rem}
.how{padding:0 0 80px}
.how h2{font-size:1.6rem;letter-spacing:-.03em;margin-bottom:18px;text-align:center}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;counter-reset:s}
.step{border:1px solid var(--line);border-radius:16px;padding:18px;background:var(--bg2)}
.step::before{counter-increment:s;content:counter(s);display:inline-grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--accent);color:#fff;font-weight:800;font-size:.8rem;margin-bottom:10px}
.step b{display:block;margin-bottom:4px}
.step span{color:var(--muted);font-size:.9rem}

/* legal pages */
.doc{padding:56px 20px 80px;max-width:760px}
.doc h1{font-size:clamp(1.9rem,5vw,2.6rem);letter-spacing:-.03em;line-height:1.15}
.doc .meta{color:var(--muted);font-size:.88rem;margin:10px 0 28px}
.doc .summary{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:18px 20px;margin-bottom:34px}
.doc .summary h2{margin-top:0;font-size:1rem}
.doc h2{font-size:1.22rem;letter-spacing:-.02em;margin:36px 0 10px;scroll-margin-top:80px}
.doc h3{font-size:1rem;margin:20px 0 6px}
.doc p,.doc li{color:var(--text2);font-size:.97rem}
.doc p+p{margin-top:10px}
.doc ul,.doc ol{padding-left:22px;margin:8px 0}
.doc li{margin:5px 0}
.doc b{color:var(--text)}
.doc .toc{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:30px}
.doc .toc a{font-size:.78rem;color:var(--muted);text-decoration:none;border:1px solid var(--line);border-radius:999px;padding:3px 11px}
.doc .toc a:hover{color:var(--text);background:var(--panel2)}
.tbl{overflow-x:auto;border:1px solid var(--line);border-radius:12px;margin:12px 0}
table{width:100%;border-collapse:collapse;font-size:.88rem;min-width:560px}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top;color:var(--text2)}
th{background:var(--panel2);color:var(--muted);font-size:.72rem;text-transform:uppercase;letter-spacing:.05em}
tr:last-child td{border-bottom:0}

footer{border-top:1px solid var(--line);margin-top:auto;padding:26px 0;color:var(--muted);font-size:.84rem}
footer .wrap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
footer nav{display:flex;gap:16px;flex-wrap:wrap}
footer a{color:var(--muted);text-decoration:none}
footer a:hover{color:var(--text)}

@media(max-width:560px){.top nav{gap:12px}.top nav a.hide-sm{display:none}.hero{padding:64px 0 40px}}