:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #050914;
  color: #fffade;
  --cyan: #5cecff;
  --lime: #d7ff57;
  --ink: #050914;
  --muted: #9ab0c4;
  --line: rgba(92, 236, 255, .24);
}

* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: radial-gradient(circle at 78% 18%, rgba(92, 236, 255, .15), transparent 28%), radial-gradient(circle at 12% 74%, rgba(215, 255, 87, .08), transparent 30%), #050914; color: #d7e2ed; }
a { color: inherit; }
main { width: min(100% - 32px, 1120px); margin: 0 auto; padding: 0 0 34px; }
.topbar { min-height: 76px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.brand, .links a { font-weight: 900; letter-spacing: .14em; text-decoration: none; }
.brand { color: var(--cyan); font-size: 13px; }
.links { display: flex; gap: 24px; font-size: 11px; }
.links a:hover, .links a:focus-visible { color: var(--cyan); }
.hero { min-height: 680px; display: grid; grid-template-columns: 1.08fr .92fr; gap: clamp(32px, 6vw, 84px); align-items: center; padding: 70px 0; }
.status { display: inline-flex; align-items: center; gap: 9px; padding: 9px 13px; border: 1px solid rgba(215, 255, 87, .34); border-radius: 999px; color: var(--lime); font-size: 11px; font-weight: 900; letter-spacing: .12em; }
.status i { width: 8px; height: 8px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 18px var(--lime); }
.eyebrow { margin: 28px 0 10px; color: var(--cyan); font-size: 12px; font-weight: 900; letter-spacing: .17em; }
h1 { margin: 0; color: #fffade; font-size: clamp(68px, 12vw, 142px); line-height: .77; letter-spacing: -.075em; text-transform: uppercase; }
.lede { max-width: 620px; margin: 30px 0; color: #d7e2ed; font-size: clamp(19px, 2.2vw, 27px); line-height: 1.35; }
.notice { max-width: 650px; padding: 20px 22px; border-left: 3px solid var(--lime); background: rgba(215, 255, 87, .055); }
.notice strong { color: #fffade; font-size: 17px; }
.notice p { margin: 7px 0 0; color: var(--muted); line-height: 1.6; }
.orbit-card { position: relative; aspect-ratio: 1; width: min(100%, 470px); margin: 0 auto; display: grid; place-items: center; overflow: hidden; border: 1px solid var(--line); border-radius: 50%; background: radial-gradient(circle, rgba(92, 236, 255, .13), rgba(4, 10, 23, .8) 54%, #050914 72%); box-shadow: inset 0 0 80px rgba(92, 236, 255, .08), 0 0 90px rgba(92, 236, 255, .08); }
.ring { position: absolute; border-radius: 50%; border: 2px solid rgba(92, 236, 255, .42); }
.ring-one { inset: 16%; }
.ring-two { inset: 30%; border-color: rgba(215, 255, 87, .3); }
.opening { position: absolute; top: 12%; width: 26%; height: 11%; background: var(--cyan); filter: drop-shadow(0 0 18px var(--cyan)); }
.runner { position: absolute; left: 17%; top: 48%; width: 18px; height: 18px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 26px var(--lime); }
.core { width: 82px; height: 82px; display: grid; place-items: center; border-radius: 50%; color: var(--ink); background: #fffade; font-size: 40px; font-weight: 950; }
.orbit-card p { position: absolute; bottom: 11%; margin: 0; color: var(--cyan); font-size: 11px; font-weight: 900; letter-spacing: .17em; }
.facts { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.facts article { padding: 34px 28px; }
.facts article + article { border-left: 1px solid var(--line); }
.facts span { color: var(--cyan); font-size: 12px; font-weight: 900; }
.facts h2 { margin: 18px 0 9px; color: #fffade; font-size: 20px; }
.facts p { margin: 0; color: var(--muted); line-height: 1.55; }
.principle { max-width: 800px; padding: 78px 0 80px; }
.principle h2 { margin: 0 0 20px; color: #fffade; font-size: clamp(36px, 6vw, 72px); line-height: .98; letter-spacing: -.04em; }
.principle p:last-child { max-width: 680px; color: var(--muted); font-size: 18px; line-height: 1.65; }
footer { display: flex; justify-content: space-between; gap: 20px; padding: 28px 0; border-top: 1px solid var(--line); color: #71869a; font-size: 10px; font-weight: 800; letter-spacing: .12em; }

@media (max-width: 800px) {
  .hero { min-height: auto; grid-template-columns: 1fr; padding: 54px 0 64px; }
  .orbit-card { width: min(88vw, 420px); }
  .facts { grid-template-columns: 1fr; }
  .facts article + article { border-left: 0; border-top: 1px solid var(--line); }
  footer { flex-direction: column; }
}

@media (max-width: 520px) {
  main { width: min(100% - 22px, 1120px); }
  .topbar { min-height: 66px; }
  .links { gap: 14px; }
  h1 { font-size: clamp(66px, 23vw, 94px); }
  .notice { padding: 18px; }
}