:root {
  color-scheme: dark;
  --bg: #0d0f14;
  --card: rgba(23, 26, 35, 0.92);
  --border: #262b39;
  --text: #eef0f4;
  --dim: #aab0bf;
  --faint: #737b8d;
  --green: #4ade80;
  --green-hi: #7df2a4;
  --green-soft: rgba(74, 222, 128, 0.1);
  --green-glow: rgba(74, 222, 128, 0.18);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 50% 18%, rgba(74, 222, 128, 0.075), transparent 30rem),
    var(--bg);
  color: var(--text);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 42px 42px;
  content: "";
  mask-image: linear-gradient(to bottom, black, transparent 72%);
}

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

.notice {
  position: relative;
  width: min(100%, 680px);
  overflow: hidden;
  padding: clamp(38px, 8vw, 72px) clamp(28px, 8vw, 72px);
  border: 1px solid var(--border);
  border-radius: 18px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.018), transparent 45%), var(--card);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
  text-align: center;
}

.notice::before {
  position: absolute;
  inset: 0 20% auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--green-hi), transparent);
  content: "";
  opacity: 0.7;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 34px;
}

.brand-mark {
  width: 42px;
  height: auto;
  filter: drop-shadow(0 8px 18px var(--green-glow));
}

.brand-name {
  font-size: 1.35rem;
  font-weight: 760;
  letter-spacing: -0.04em;
}

.brand-name span {
  color: var(--green);
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
  padding: 7px 11px;
  border: 1px solid rgba(74, 222, 128, 0.2);
  border-radius: 999px;
  background: var(--green-soft);
  color: var(--green-hi);
  font: 600 0.72rem/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 12px var(--green-glow);
}

h1 {
  margin: 0;
  font-size: clamp(2.35rem, 8vw, 4.35rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
  text-wrap: balance;
}

.message {
  max-width: 520px;
  margin: 27px auto 0;
  color: var(--dim);
  font-size: clamp(1rem, 2.6vw, 1.18rem);
  line-height: 1.65;
  text-wrap: balance;
}

.thanks {
  margin: 32px 0 0;
  color: var(--faint);
  font-size: 0.92rem;
  line-height: 1.5;
}

@media (max-width: 480px) {
  .shell {
    padding: 16px;
  }

  .notice {
    padding: 38px 24px 42px;
    border-radius: 15px;
  }

  .brand {
    margin-bottom: 29px;
  }

  .message {
    margin-top: 22px;
  }

  .thanks {
    margin-top: 27px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media (prefers-contrast: more) {
  .notice {
    border-color: #596174;
  }

  .message,
  .thanks {
    color: var(--text);
  }
}