:root {
  color-scheme: dark;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background: #07111f;
  color: #f7f9fc;
}

* {
  box-sizing: border-box;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 20% 15%, rgb(47 117 255 / 28%), transparent 34rem),
    radial-gradient(circle at 80% 85%, rgb(23 194 142 / 20%), transparent 30rem),
    #07111f;
}

button,
body {
  font: inherit;
}

.shell {
  display: grid;
  min-height: 100vh;
  place-items: center;
  align-content: center;
  gap: 1.5rem;
  padding: 2rem;
}

.card {
  width: min(100%, 46rem);
  padding: clamp(2rem, 6vw, 4.5rem);
  overflow: hidden;
  border: 1px solid rgb(255 255 255 / 12%);
  border-radius: 2rem;
  background: rgb(12 29 49 / 82%);
  box-shadow: 0 2rem 7rem rgb(0 0 0 / 38%);
  backdrop-filter: blur(1.25rem);
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 3rem;
  color: #b8c9dc;
  font-size: 0.875rem;
  letter-spacing: 0.03em;
}

.status-dot {
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 50%;
  background: #21d19f;
  box-shadow: 0 0 0 0.35rem rgb(33 209 159 / 15%);
}

.eyebrow {
  margin: 0 0 1rem;
  color: #6ea0ff;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.18em;
}

h1 {
  margin: 0;
  font-size: clamp(3.5rem, 12vw, 7.5rem);
  line-height: 0.88;
  letter-spacing: -0.075em;
}

.intro {
  max-width: 34rem;
  margin: 2rem 0;
  color: #b8c9dc;
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  line-height: 1.75;
}

button {
  min-height: 3.25rem;
  padding: 0.85rem 1.35rem;
  border: 0;
  border-radius: 999px;
  background: #2f75ff;
  color: white;
  font-weight: 800;
  cursor: pointer;
  transition:
    transform 160ms ease,
    background 160ms ease;
}

button:hover {
  background: #4c88ff;
  transform: translateY(-2px);
}

button:focus-visible {
  outline: 3px solid #b9d1ff;
  outline-offset: 4px;
}

.message {
  min-height: 1.5rem;
  margin: 1rem 0 0;
  color: #8ea6bf;
}

footer {
  color: #70859b;
  font-size: 0.875rem;
}

@media (prefers-reduced-motion: reduce) {
  button {
    transition: none;
  }
}