/* Brand blue sampled from the app icon background. */
:root {
  --brand: #3a81f7;
  --brand-deep: #2563c9;
}

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

body {
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 2rem;
  background: var(--brand);
  background-image: radial-gradient(
    ellipse 120% 90% at 50% 0%,
    #5a97ff 0%,
    var(--brand) 45%,
    var(--brand-deep) 100%
  );
  color: #fff;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

main {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  text-align: center;
}

img {
  width: clamp(120px, 30vw, 180px);
  height: auto;
  filter: drop-shadow(0 8px 24px rgb(0 0 0 / 0.18));
}

h1 {
  font-size: clamp(1.5rem, 5vw, 2.25rem);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: lowercase;
}

@media (prefers-reduced-motion: no-preference) {
  main {
    animation: rise 0.5s ease-out both;
  }
  @keyframes rise {
    from {
      opacity: 0;
      transform: translateY(8px);
    }
  }
}