:root {
  color-scheme: dark;
  --bg: #050b18;
  --panel: #121b2e;
  --panel-2: #18243b;
  --text: #f7f9ff;
  --muted: #aeb9cc;
  --cyan: #20d7f2;
  --blue: #3478ff;
  --mint: #43dfb3;
  --line: rgba(255,255,255,.12);
}
* { box-sizing: border-box; }
html { background: var(--bg); }
body { margin: 0; min-height: 100vh; color: var(--text); background: radial-gradient(circle at 80% 0, rgba(36,92,190,.35), transparent 34rem), var(--bg); font: 16px/1.62 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
a { color: var(--cyan); }
.nav, footer { width: min(1120px, calc(100% - 40px)); margin: 0 auto; display: flex; align-items: center; gap: 22px; }
.nav { min-height: 76px; justify-content: space-between; border-bottom: 1px solid var(--line); }
.nav nav { display: flex; gap: 22px; }
.nav a, footer a { text-decoration: none; }
.nav nav a { color: var(--muted); }
.nav nav a:hover, .nav nav a[aria-current="page"] { color: var(--text); }
.brand { color: var(--text); font-size: 1.15rem; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
main { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.hero { padding: 92px 0 64px; max-width: 850px; }
.eyebrow { color: var(--cyan); font-size: .78rem; font-weight: 850; letter-spacing: .18em; }
h1 { margin: .2em 0 .3em; font-size: clamp(2.5rem, 7vw, 5.2rem); line-height: 1.02; letter-spacing: -.045em; }
h2 { margin: 0 0 .4em; line-height: 1.2; }
.lede { color: var(--muted); max-width: 760px; font-size: clamp(1.05rem, 2vw, 1.3rem); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button { display: inline-block; padding: 12px 18px; border-radius: 12px; color: #00121a; background: linear-gradient(135deg, var(--cyan), var(--blue)); font-weight: 750; text-decoration: none; }
.button.secondary { color: var(--text); background: var(--panel-2); border: 1px solid var(--line); }
.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.grid article, .notice { padding: 25px; border: 1px solid var(--line); border-radius: 20px; background: linear-gradient(145deg, rgba(27,40,67,.92), rgba(14,23,40,.92)); }
.grid p, .notice p { color: var(--muted); margin-bottom: 0; }
.notice { margin-top: 16px; }
.document { max-width: 820px; padding: 70px 0 80px; }
.document h1 { font-size: clamp(2.5rem, 6vw, 4.3rem); }
.document h2 { margin-top: 2.2em; padding-top: .8em; border-top: 1px solid var(--line); }
.document p, .document li { color: #d1d8e5; }
.document li { margin-bottom: .75em; }
.muted { color: var(--muted) !important; }
footer { min-height: 100px; margin-top: 70px; border-top: 1px solid var(--line); color: var(--muted); }
footer span { margin-right: auto; }
@media (max-width: 700px) {
  .grid { grid-template-columns: 1fr; }
  .hero { padding-top: 60px; }
  .nav, footer, main { width: min(100% - 28px, 1120px); }
  footer { flex-wrap: wrap; padding: 25px 0; }
}
