:root {
  --theme: rgb(0 116 204);
  --theme-dark: rgb(16 40 96);
  --background: rgb(6 16 36);
  --text: rgba(255, 255, 255, 0.92);
  --card: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.12);
  --muted: rgba(255, 255, 255, 0.68);
  --shadow: 0 18px 70px rgba(0, 0, 0, 0.55);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial,
    "Apple Color Emoji", "Segoe UI Emoji";
  background: radial-gradient(
      1100px 780px at 12% 12%,
      rgba(0, 116, 204, 0.35) 0%,
      transparent 58%
    ),
    radial-gradient(
      900px 700px at 90% 85%,
      rgba(16, 40, 96, 0.55) 0%,
      transparent 55%
    ),
    var(--background);
  color: var(--text);
}

.page {
  min-height: 100%;
  display: grid;
  place-items: center;
  padding: 32px 20px;
}

.card {
  width: min(920px, 100%);
  padding: clamp(28px, 6vw, 54px);
  border-radius: 18px;
  border: 1px solid var(--border);
  background: var(--card);
  box-shadow: var(--shadow);
  text-align: center;
}

.label {
  font-size: 28px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.92);
  font-weight: 700;
}

.countdown {
  margin-top: 14px;
  font-size: clamp(34px, 6vw, 72px);
  font-weight: 800;
  line-height: 1.15;
  font-variant-numeric: tabular-nums;
  max-width: 22ch;
  margin-left: auto;
  margin-right: auto;
}

.countdown .unit {
  font-weight: 600;
  font-size: 0.25em;
  letter-spacing: 0.02em;
  color: var(--muted);
  margin-right: 0.35em;
}

.countdown .num {
  color: rgba(255, 255, 255, 0.95);
}

.sub {
  margin-top: 14px;
  font-size: 14px;
  color: var(--muted);
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important;
  }
}