:root {
  color-scheme: dark;
  --runtime-bg: #080d1b;
  --runtime-surface: rgba(20, 28, 52, 0.88);
  --runtime-border: rgba(145, 164, 220, 0.22);
  --runtime-text: #f4f6ff;
  --runtime-dim: #aab4d2;
  --runtime-blue: #72a8ff;
  --runtime-violet: #a889ff;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html, body { min-height: 100%; }
body {
  margin: 0;
  overflow-x: hidden;
  background: radial-gradient(circle at 18% 12%, rgba(75, 126, 237, 0.23), transparent 32rem), radial-gradient(circle at 82% 76%, rgba(126, 83, 207, 0.2), transparent 30rem), var(--runtime-bg);
  color: var(--runtime-text);
}
.runtime-page {
  display: grid;
  min-height: calc(100dvh - 68px);
  width: min(100% - 2rem, 1120px);
  margin-inline: auto;
  padding: max(1.25rem, env(safe-area-inset-top)) 0 3rem;
}
.runtime-brand {
  align-self: start;
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  min-height: 44px;
  color: var(--runtime-text);
  font-size: 1.05rem;
  font-weight: 850;
  letter-spacing: -0.02em;
  text-decoration: none;
}
.runtime-brand span {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--runtime-blue), var(--runtime-violet));
  box-shadow: 0 10px 30px rgba(92, 123, 235, 0.3);
}
.runtime-card {
  position: relative;
  align-self: center;
  justify-self: center;
  width: min(100%, 720px);
  padding: clamp(2rem, 7vw, 5rem);
  overflow: hidden;
  border: 1px solid var(--runtime-border);
  border-radius: clamp(24px, 4vw, 40px);
  background: linear-gradient(145deg, rgba(27, 38, 70, 0.94), var(--runtime-surface));
  box-shadow: 0 32px 90px rgba(1, 4, 15, 0.55);
  text-align: center;
}
.runtime-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(125deg, rgba(255,255,255,0.08), transparent 38%);
}
.runtime-kicker {
  position: relative;
  margin: 0 0 0.75rem;
  color: #9fc1ff;
  font-size: 0.75rem;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.runtime-card h1 {
  position: relative;
  margin: 0;
  font-size: clamp(2.25rem, 8vw, 4.75rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}
.runtime-copy {
  position: relative;
  max-width: 54ch;
  margin: 1.5rem auto 2rem;
  color: var(--runtime-dim);
  font-size: clamp(1rem, 2.4vw, 1.15rem);
  line-height: 1.65;
}
.runtime-cta {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-height: 50px;
  padding: 0 1.4rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--runtime-blue), #9f89f8);
  box-shadow: 0 12px 32px rgba(79, 116, 222, 0.3);
  color: #071226;
  font-weight: 850;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease;
}
.runtime-cta:hover, .runtime-cta:focus-visible { transform: translateY(-2px); box-shadow: 0 16px 38px rgba(79, 116, 222, 0.42); }
.runtime-cta:focus-visible, .runtime-brand:focus-visible { outline: 3px solid #fff; outline-offset: 4px; }
.runtime-note { position: relative; margin: 1.25rem 0 0; color: #8692b3; font-size: 0.8rem; }
.runtime-orbit { display: flex; justify-content: center; gap: 0.55rem; margin-bottom: 1.5rem; }
.runtime-orbit span {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--runtime-border);
  border-radius: 13px;
  background: rgba(8, 13, 27, 0.55);
}
footer {
  min-height: 68px;
  padding: 1.25rem max(1rem, env(safe-area-inset-right)) max(1.25rem, env(safe-area-inset-bottom));
  color: #7783a3;
  font-size: 0.8rem;
  text-align: center;
}
@media (max-width: 520px) {
  .runtime-page { width: min(100% - 1rem, 1120px); }
  .runtime-card { padding: 2.5rem 1.25rem; }
  .runtime-card h1 { font-size: clamp(2.2rem, 14vw, 3.5rem); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}