:root {
  color-scheme: dark;
  --bg: #070a12;
  --panel: #101827;
  --line: #263449;
  --text: #edf3fc;
  --muted: #a6b2c5;
  --cyan: #61e6ed;
}
* { box-sizing: border-box; }
body { margin: 0; background: radial-gradient(ellipse at 80% 0%, #17152e 0, transparent 38%), var(--bg); color: var(--text); font: 16px 'DM Sans', system-ui, sans-serif; line-height: 1.7; }
a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }
header { position: sticky; top: 0; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 16px max(calc((100% - 1050px)/2), 24px); border-bottom: 1px solid var(--line); background: #070a12ed; backdrop-filter: blur(12px); }
.brand { display: inline-flex; align-items: center; gap: 9px; white-space: nowrap; color: white; font-weight: 800; font-size: 21px; letter-spacing: -.05em; }
.brand-mark { display: block; width: 40px; height: 40px; filter: drop-shadow(0 0 10px #61e6ed30); }
.brand-name { display: flex; flex-direction: column; line-height: 1; }
.brand-name small { margin: 0 0 4px 2px; color: #9aa8bd; font-size: 8px; letter-spacing: .25em; }
.brand-name strong { color: #f6f8fc; font: 800 17px/1 Syne, 'DM Sans', sans-serif; letter-spacing: -.04em; }
.brand-name b { color: var(--cyan); }
nav { display: flex; gap: 20px; font-size: 14px; }
nav a, footer a { color: #bac7d9; }
main { width: min(850px, calc(100% - 40px)); min-height: 72vh; margin: 0 auto; padding: 72px 0; }
h1 { margin: 10px 0 20px; font-size: clamp(40px, 8vw, 66px); line-height: 1.07; letter-spacing: -.055em; }
h2 { margin: 26px 0 8px; font-size: 21px; }
.eyebrow { color: var(--cyan); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; font-weight: 700; }
.lead { max-width: 720px; margin-bottom: 35px; color: #c2cede; font-size: 19px; }
.panel { padding: 26px; border: 1px solid var(--line); border-radius: 20px; background: linear-gradient(145deg, #111a29, #0c111b); }
.panel p { color: var(--muted); }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 15px; }
.notice, .note { margin: 22px 0; color: #8796ab; font-size: 13px; }
footer { display: flex; flex-wrap: wrap; gap: 20px; padding: 24px max(calc((100% - 1050px)/2), 24px); border-top: 1px solid var(--line); font-size: 13px; }
@media (max-width: 620px) {
  header { align-items: flex-start; flex-direction: column; padding: 13px 20px; }
  nav { max-width: 100%; gap: 16px; overflow: auto; }
  main { padding: 50px 0; }
}