*{box-sizing:border-box}
body{margin:0;background:#03070D;color:#d6e8f7;font:16px/1.7 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:#4fd1ff}
header,main,footer{max-width:760px;margin:0 auto;padding:0 18px}
header{padding-top:22px;padding-bottom:8px}
.brand{font-weight:900;letter-spacing:3px;color:#4fd1ff;text-decoration:none;font-size:18px}
nav{display:flex;flex-wrap:wrap;gap:6px 16px;margin-top:10px;font-size:14px}
h1{font-size:28px;line-height:1.25;margin:22px 0 10px;color:#fff}
h2{font-size:21px;margin:34px 0 8px;color:#4fd1ff}
h3{font-size:17px;margin:20px 0 4px;color:#fff}
p,li{color:#c3d6e6}
ul,ol{padding-left:22px}
.lead{font-size:18px;color:#e6f3ff}
.cta{display:inline-block;margin:18px 0;padding:14px 22px;border-radius:14px;background:#4fd1ff;color:#03070D;font-weight:900;text-decoration:none}
.note{border:1px solid rgba(79,209,255,.3);background:rgba(79,209,255,.07);padding:12px 16px;border-radius:12px;font-size:14px;margin:22px 0}
.meta{font-size:13px;color:#7f9bb3}
details{border:1px solid rgba(79,209,255,.2);border-radius:12px;padding:10px 14px;margin:10px 0}
summary{cursor:pointer;font-weight:700;color:#fff}
footer{padding-top:30px;padding-bottom:40px;font-size:13px;color:#7f9bb3}