:root {
  color-scheme: dark;
  --bg: #061326;
  --surface: #0e2442;
  --surface-2: #14345d;
  --border: #245180;
  --text: #f7fbff;
  --muted: #aac0d9;
  --primary: #3692ff;
  --primary-2: #78b7ff;
  --gold: #ffc83d;
  --max: 860px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 15% 0%, rgba(54,146,255,.17), transparent 32rem),
    var(--bg);
  color: var(--text);
  line-height: 1.65;
}
a { color: var(--primary-2); }
a:hover { color: #fff; }
header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(120,183,255,.18);
  background: rgba(6,19,38,.88);
  backdrop-filter: blur(18px);
}
.nav {
  max-width: 1080px;
  margin: 0 auto;
  padding: 14px 22px;
  display: flex;
  gap: 22px;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 11px; color: #fff; text-decoration: none; font-weight: 850; letter-spacing: -.02em; }
.brand img { width: 38px; height: 38px; border-radius: 10px; }
.links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 17px; }
.links a { color: var(--muted); text-decoration: none; font-weight: 700; font-size: .93rem; }
.links a[aria-current="page"], .links a:hover { color: #fff; }
main { max-width: var(--max); margin: 0 auto; padding: 64px 22px 84px; }
.hero { padding: 34px 0 22px; }
.eyebrow { color: var(--gold); text-transform: uppercase; letter-spacing: .12em; font-size: .78rem; font-weight: 850; }
h1 { font-size: clamp(2.25rem, 7vw, 4.4rem); line-height: 1.02; letter-spacing: -.05em; margin: 10px 0 20px; }
h2 { font-size: 1.35rem; line-height: 1.25; margin: 38px 0 10px; letter-spacing: -.02em; }
h3 { margin: 24px 0 8px; }
p, li { color: var(--muted); }
.lead { font-size: 1.16rem; max-width: 680px; }
.meta { color: #87a5c5; font-size: .93rem; }
.card {
  background: linear-gradient(145deg, rgba(20,52,93,.94), rgba(14,36,66,.96));
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 24px;
  margin: 24px 0;
  box-shadow: 0 18px 50px rgba(0,0,0,.18);
}
.grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px; margin-top: 28px; }
.grid .card { margin: 0; }
.button {
  display: inline-block;
  margin-top: 10px;
  background: var(--primary);
  color: #fff;
  text-decoration: none;
  padding: 12px 18px;
  border-radius: 12px;
  font-weight: 850;
}
.button:hover { background: #61a9ff; }
ul { padding-left: 1.25rem; }
hr { border: 0; border-top: 1px solid rgba(120,183,255,.2); margin: 42px 0; }
footer { border-top: 1px solid rgba(120,183,255,.18); color: #829ab6; }
.footer-inner { max-width: 1080px; margin: 0 auto; padding: 28px 22px 42px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 14px; font-size: .9rem; }
.footer-inner a { text-decoration: none; margin-right: 12px; }
code { color: #d6e9ff; background: #102945; padding: .12rem .36rem; border-radius: 5px; }
@media (max-width: 680px) {
  .nav { align-items: flex-start; }
  .links { gap: 11px; }
  .grid { grid-template-columns: 1fr; }
  main { padding-top: 42px; }
}