:root {
  color-scheme: light dark;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background: #f5f3ff;
  color: #211a3b;
}
* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
}

body {
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(circle at 20% 20%, rgb(124 91 255 / 18%), transparent 36%),
    radial-gradient(circle at 80% 80%, rgb(103 210 255 / 20%), transparent 34%),
    #f8f7ff;
}

.hello-card {
  width: min(560px, 100%);
  max-height: 100%;
  overflow: auto;
  padding: clamp(32px, 8vw, 64px);
  border: 1px solid rgb(93 74 164 / 18%);
  border-radius: 28px;
  background: rgb(255 255 255 / 84%);
  box-shadow: 0 24px 70px rgb(70 48 140 / 16%);
  text-align: center;
}

.mark {
  display: grid;
  grid-template-columns: repeat(2, 18px);
  gap: 5px;
  justify-content: center;
  margin-bottom: 28px;
}

.mark span {
  width: 18px;
  height: 18px;
  border-radius: 6px;
  background: #6d4aff;
}

.mark span:nth-child(2),
.mark span:nth-child(3) {
  background: #9a83ff;
}

.eyebrow {
  margin: 0 0 12px;
  color: #6d4aff;
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2.5rem, 10vw, 4.75rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.message {
  margin: 24px auto 0;
  max-width: 34ch;
  font-size: clamp(1.05rem, 3vw, 1.3rem);
  line-height: 1.55;
}

.scope {
  margin: 14px 0 0;
  color: #756c8f;
  font-size: 0.95rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    background: #120f1f;
    color: #f3f0ff;
  }

  body {
    background:
      radial-gradient(circle at 20% 20%, rgb(124 91 255 / 24%), transparent 36%),
      radial-gradient(circle at 80% 80%, rgb(56 170 220 / 18%), transparent 34%),
      #120f1f;
  }

  .hello-card {
    border-color: rgb(180 164 255 / 20%);
    background: rgb(29 24 48 / 88%);
    box-shadow: 0 24px 70px rgb(0 0 0 / 35%);
  }

  .scope {
    color: #b8afd3;
  }
}