:root {
  color-scheme: light;
  --background: #eef4ff;
  --ink: #16302b;
  --muted: #5c6863;
  --accent: #c74f2b;
  --panel: #fffaf3;
  --line: #dfd4c3;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 18% 18%, rgba(211, 54, 65, 0.36), transparent 34%),
    radial-gradient(circle at 82% 22%, rgba(37, 99, 235, 0.34), transparent 36%),
    linear-gradient(135deg, #f7d6dc 0%, #eef4ff 46%, #cbdcff 100%);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

.page-shell {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 32px 18px;
}

.notice {
  width: min(100%, 620px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: color-mix(in srgb, var(--panel) 92%, white);
  padding: clamp(32px, 7vw, 64px);
  box-shadow: 0 24px 80px rgba(22, 48, 43, 0.12);
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  max-width: 11ch;
  margin: 0;
  font-size: clamp(2.7rem, 9vw, 5.8rem);
  line-height: 0.94;
  letter-spacing: 0;
}

.message {
  max-width: 36rem;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.24rem);
  line-height: 1.65;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  margin-top: 28px;
}

.links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--ink);
  font-weight: 800;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
}

.links a:focus-visible {
  border-radius: 4px;
  outline: 3px solid rgba(199, 79, 43, 0.34);
  outline-offset: 4px;
}

@media (max-width: 520px) {
  .notice {
    padding: 30px 24px;
  }

  h1 {
    max-width: 10ch;
  }
}