:root{
  --navy:#0A1628;--navy-2:#0E2038;--ink:#0F1B2D;--muted:#5C6F82;
  --teal:#1ED5C5;--teal-d:#12B3A6;--bg:#F6F9FC;--line:#E6EDF3;--soft:#EAF3F4;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Plus Jakarta Sans',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--ink);background:var(--bg);font-size:17px;line-height:1.7;-webkit-font-smoothing:antialiased}
.wrap{max-width:820px;margin:0 auto;padding:0 22px}
a{color:var(--teal-d);text-decoration:none}
a:hover{text-decoration:underline}

/* NAV */
header{position:sticky;top:0;z-index:50;background:rgba(10,22,40,.92);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.07)}
nav{display:flex;align-items:center;justify-content:space-between;height:66px;max-width:1140px;margin:0 auto;padding:0 22px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:#fff;letter-spacing:-.02em}
.logo b{color:var(--teal)}
.logo .mk{width:28px;height:28px}
.navlinks{display:flex;gap:26px;align-items:center}
.navlinks a{color:#C7D6E5;font-weight:600;font-size:15px}
.navlinks a:hover{color:#fff;text-decoration:none}

/* HERO BAR */
.lhead{background:linear-gradient(180deg,var(--navy),var(--navy-2));color:#fff;padding:54px 0 46px}
.lhead h1{font-size:38px;font-weight:800;letter-spacing:-.02em}
.lhead p{color:#AEC2D6;margin-top:10px;font-size:15.5px}

/* DOC */
.doc{padding:50px 0 70px}
.doc h2{font-size:23px;font-weight:800;margin:34px 0 12px;letter-spacing:-.01em}
.doc h3{font-size:18px;font-weight:700;margin:22px 0 8px}
.doc p{margin:0 0 14px;color:#243a52}
.doc ul{margin:0 0 16px 22px}
.doc li{margin:7px 0;color:#243a52}
.doc strong{color:var(--ink)}
.callout{background:var(--soft);border:1px solid #D6EAE8;border-left:4px solid var(--teal);
  border-radius:12px;padding:16px 20px;margin:18px 0}
.callout p{margin:0;color:#194a45}
.toc{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 22px;margin:6px 0 30px}
.toc h4{font-size:13px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin-bottom:10px}
.toc a{display:inline-block;margin:4px 14px 4px 0;font-weight:600;font-size:14.5px}
.updated{display:inline-block;background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:6px 14px;font-size:13px;color:var(--muted);font-weight:600;margin-top:16px}

/* FOOTER */
footer{background:var(--navy);color:#9fb4c9;padding:40px 0;margin-top:10px}
footer .wrap{max-width:1140px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;align-items:center}
footer a{color:#9fb4c9}
footer a:hover{color:var(--teal);text-decoration:none}
.fnav{display:flex;gap:20px;flex-wrap:wrap;font-size:14.5px;font-weight:600}
.fsmall{font-size:13px;width:100%;border-top:1px solid rgba(255,255,255,.08);padding-top:16px;margin-top:4px}

@media(max-width:700px){.navlinks{display:none}.lhead h1{font-size:30px}.doc h2{font-size:20px}}