:root{
  color-scheme:dark;
  --bg:#06111f;
  --panel:#0d1b2a;
  --panel2:#10243a;
  --text:#f7fbff;
  --muted:#a9b7c6;
  --line:#24364a;
  --accent:#7dd3fc;
}
*{box-sizing:border-box}
html{background:var(--bg)}
body{
  margin:0;
  background:
    radial-gradient(circle at top right,rgba(14,165,233,.12),transparent 34rem),
    var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  line-height:1.65;
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
header{
  width:min(940px,calc(100% - 32px));
  margin:0 auto;
  padding:28px 0 10px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.brand{display:flex;align-items:center;gap:10px;color:var(--text)}
.mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(145deg,#38bdf8,#2563eb);
  color:white;font-weight:800;
}
main{
  width:min(940px,calc(100% - 32px));
  margin:18px auto 70px;
  background:linear-gradient(180deg,var(--panel),rgba(13,27,42,.82));
  border:1px solid var(--line);
  border-radius:24px;
  padding:clamp(26px,5vw,58px);
  box-shadow:0 28px 80px rgba(0,0,0,.25);
}
.eyebrow{
  margin:0 0 8px;
  color:#7dd3fc;
  text-transform:uppercase;
  letter-spacing:.12em;
  font-size:.78rem;
  font-weight:800;
}
h1{font-size:clamp(2rem,6vw,3.6rem);line-height:1.05;margin:.2rem 0 1rem}
h2{font-size:1.25rem;line-height:1.25;margin:2.2rem 0 .55rem}
p{margin:.55rem 0;color:#d9e4ef}
.lede{font-size:1.08rem;color:var(--muted);max-width:760px}
.notice{
  margin:1.6rem 0;
  padding:18px 20px;
  background:var(--panel2);
  border:1px solid #31506f;
  border-radius:16px;
}
ul{padding-left:1.25rem;color:#d9e4ef}
footer{
  width:min(940px,calc(100% - 32px));
  margin:-42px auto 40px;
  color:var(--muted);
  font-size:.9rem;
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
}
footer nav{display:flex;gap:18px;flex-wrap:wrap}
@media (max-width:600px){
  header{padding-top:18px}
  main{border-radius:18px}
}