:root {
  color-scheme: dark;
  --bg: #05060a;
  --fg: #f5f7ff;
  --muted: #9aa0b5;
  --accent: #4fd1c5;
  --border-subtle: rgba(255, 255, 255, 0.06);
  --font-main: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { min-height: 100%; }
body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  color: var(--fg);
  background: #05060a;
  font-family: var(--font-main);
}
.page {
  position: relative;
  width: 100%;
  max-width: 960px;
  min-height: 420px;
  padding: 40px;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  border-radius: 28px;
  background: radial-gradient(circle at top, #1b2a4a 0, transparent 55%),
    radial-gradient(circle at bottom, #10141f 0, transparent 55%), #05060a;
  box-shadow: 0 0 0 1px rgba(255,255,255,.02), 0 26px 80px rgba(0,0,0,.85);
}
.page::before {
  content: "";
  position: absolute;
  inset: -40%;
  pointer-events: none;
  background: radial-gradient(circle at 10% 0, rgba(79,209,197,.12) 0, transparent 55%),
    radial-gradient(circle at 90% 100%, rgba(129,140,248,.12) 0, transparent 55%);
  mix-blend-mode: screen;
}
.page-inner { position: relative; z-index: 1; display: flex; flex-direction: column; gap: 38px; }
.top-bar, .footer { display: flex; justify-content: space-between; align-items: center; gap: 16px; color: var(--muted); }
.top-bar { font-size: 13px; letter-spacing: .12em; text-transform: uppercase; }
.pill { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border: 1px solid rgba(255,255,255,.06); border-radius: 999px; background: rgba(5,6,10,.7); }
.pill-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px rgba(79,209,197,.9); }
.pill-label { font-size: 11px; letter-spacing: .18em; }
.content { max-width: 760px; margin: 20px auto; }
h1 { margin-bottom: 20px; font-size: clamp(32px, 5vw, 52px); line-height: 1.08; letter-spacing: .06em; text-transform: uppercase; }
.description { color: var(--muted); font-size: 18px; line-height: 1.65; }
.description strong { color: var(--fg); font-weight: 500; }
.button-list { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; margin-top: 30px; }
.btn-primary {
  display: inline-flex; align-items: center; justify-content: space-between; gap: 18px;
  max-width: 100%; padding: 12px 20px; border: 1px solid rgba(79,209,197,.7); border-radius: 999px;
  color: var(--fg); background: radial-gradient(circle at 0 0, rgba(79,209,197,.35), transparent 55%), #0b1515;
  font-size: 13px; letter-spacing: .1em; line-height: 1.45; text-transform: uppercase; text-decoration: none;
  transition: border-color .2s ease, background .2s ease;
}
.btn-primary:hover, .btn-primary:focus-visible { border-color: var(--accent); background-color: #102020; }
.btn-primary-icon { flex: 0 0 16px; width: 16px; height: 16px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid rgba(255,255,255,.4); border-radius: 50%; font-size: 10px; }
.footer { padding-top: 8px; font-size: 11px; }
.footer a { color: var(--accent); text-decoration: none; }
.footer a:hover { text-decoration: underline; }
@media (max-width: 768px) {
  body { padding: 14px; }
  .page { min-height: 0; padding: 28px 22px 24px; border-radius: 22px; }
  .top-bar { align-items: flex-start; flex-direction: column; }
  .page-inner { gap: 28px; }
  .content { margin: 6px auto; }
  .description { font-size: 16px; }
  .btn-primary { width: 100%; border-radius: 18px; }
  .footer { align-items: flex-start; flex-direction: column; }
}