:root {
  --obsidian: #070707;
  --mist: #ffffff;
  --muted: #8a8a8a;
  --accent: #ccff00;
  --outline: #2a2a2a;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  min-height: 100%;
}

body {
  min-height: 100vh;
  font-family: Inter, system-ui, sans-serif;
  color: var(--mist);
  background:
    radial-gradient(ellipse 80% 60% at 50% 35%, rgba(204, 255, 0, 0.07), transparent 60%),
    var(--obsidian);
  display: grid;
  place-items: center;
  padding: 2rem;
}

.stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  text-align: center;
  animation: rise 0.7s ease-out both;
}

.mark {
  width: 96px;
  height: 96px;
  border-radius: 22px;
  border: 1px solid var(--outline);
  animation: pulse 2.8s ease-in-out infinite;
}

.wordmark {
  font-size: clamp(2.75rem, 8vw, 4.5rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1;
}

.wordmark .accent {
  color: var(--accent);
}

.wordmark .mist {
  color: var(--mist);
}

.banner {
  margin-top: 0.35rem;
  padding: 0.55rem 1.1rem;
  border: 1px solid var(--outline);
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--obsidian);
  background: var(--accent);
}

.version {
  margin-top: -0.15rem;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.release-date {
  margin-top: -0.55rem;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--muted);
  opacity: 0.85;
}

a.download {
  margin-top: 0.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.5rem;
  border: 1px solid var(--accent);
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #000000;
  background: var(--accent);
  text-decoration: none;
  box-shadow: 0 0 0 1px rgba(204, 255, 0, 0.25), 0 8px 28px rgba(204, 255, 0, 0.18);
  transition: transform 0.15s ease, filter 0.15s ease;
}

a.download:visited {
  color: #000000;
}

a.download:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
  color: #000000;
}

a.download:active {
  transform: translateY(0);
  color: #000000;
}

a.web-link {
  margin-top: 0.35rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.35rem;
  border: 1px solid var(--outline);
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--mist);
  background: transparent;
  text-decoration: none;
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}

a.web-link:visited {
  color: var(--mist);
}

a.web-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(204, 255, 0, 0.06);
}

a.web-link:active {
  color: var(--accent);
}

.hint {
  max-width: 20rem;
  font-size: 0.8rem;
  line-height: 1.4;
  color: var(--muted);
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(204, 255, 0, 0.2);
  }
  50% {
    box-shadow: 0 0 0 14px rgba(204, 255, 0, 0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .stage,
  .mark {
    animation: none;
  }
}