:root {
  --bg: #050910;
  --card: rgba(255, 255, 255, 0.04);
  --card-border: rgba(255, 255, 255, 0.08);
  --text: #f4f7fb;
  --accent: #9de6ff;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background:
    radial-gradient(circle at top, rgba(157, 230, 255, 0.12), transparent 28%),
    linear-gradient(180deg, #04070d 0%, #070d17 100%);
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family:
    "Segoe UI", "Aptos", sans-serif;
}

.page-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.card {
  width: min(100%, 560px);
  min-height: min(72vh, 560px);
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 12px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 32px;
  backdrop-filter: blur(18px);
  text-align: center;
  padding: 40px 28px;
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.8rem;
  font-weight: 700;
}

.centered-state h1 {
  margin: 0;
  font-size: clamp(3rem, 12vw, 6rem);
  line-height: 0.95;
}