:root {
  color-scheme: dark;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: #21003f;
  color: #f7f2ff;
}

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
  min-height: 100%;
  margin: 0;
}

body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem;
  background: radial-gradient(circle at top, rgba(255, 255, 255, 0.08), transparent 25%),
    linear-gradient(180deg, #3d0d7e 0%, #1b0030 100%);
}

.page-shell {
  width: min(100%, 720px);
}

.hero-card {
  position: relative;
  overflow: hidden;
  padding: 3rem 2rem 2.5rem;
  border-radius: 32px;
  background: rgba(34, 0, 49, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.25);
  text-align: center;
}

.logo-shadow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 20%, rgba(161, 86, 255, 0.35), transparent 28%),
    radial-gradient(circle at 20% 70%, rgba(125, 92, 255, 0.18), transparent 18%),
    radial-gradient(circle at 80% 70%, rgba(255, 118, 179, 0.18), transparent 24%);
  filter: blur(20px);
  opacity: 0.8;
  pointer-events: none;
}

.logo {
  position: relative;
  width: 84px;
  height: 84px;
  margin: 0 auto 1.5rem;
  display: block;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.08);
  padding: 1rem;
  box-shadow: 0 24px 60px rgba(111, 41, 255, 0.22);
}

.hero-card h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 2.8rem);
}

.hero-card p {
  margin: 1rem auto 0;
  max-width: 520px;
  line-height: 1.8;
  color: #e7defb;
}

.command-card {
  margin: 2rem auto 0;
  padding: 1rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px;
}

.command-text {
  font-family: 'Courier New', Courier, monospace;
  font-size: 1rem;
  color: #fbfbff;
  overflow-wrap: anywhere;
}

button {
  min-width: 110px;
  border: none;
  border-radius: 14px;
  background: linear-gradient(135deg, #b973ff, #7c3aed);
  color: white;
  font-weight: 600;
  padding: 0.95rem 1rem;
  cursor: pointer;
  transition: transform 0.2s ease, filter 0.2s ease;
}

button:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
}

.small-note {
  margin-top: 1rem;
  font-size: 0.95rem;
  color: #c7b0eb;
}

@media (max-width: 520px) {
  .hero-card {
    padding: 2.2rem 1.4rem 2rem;
  }
  .command-card {
    grid-template-columns: 1fr;
  }
}