:root {
  --ink: #0c2340;
  --muted: #55607a;
  --paper: #ffffff;
  --accent: #0c2340;
  --accent-hover: #16345c;
  --copper: #a65e2e;
  --line: #e3e6ec;
  --bg-a: #0a1c33;
  --bg-b: #173a63;
  --serif: "DM Serif Display", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg-a);
  -webkit-font-smoothing: antialiased;
  display: grid;
  place-items: center;
  padding: 24px 16px;
}

/* Soft, blurred "site behind the popup" feel */
.backdrop {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(60% 50% at 15% 20%, rgba(255, 255, 255, .10), transparent 70%),
    radial-gradient(50% 60% at 85% 85%, rgba(166, 94, 46, .22), transparent 70%),
    linear-gradient(135deg, var(--bg-a), var(--bg-b));
  z-index: 0;
}

.notice {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 560px;
  background: var(--paper);
  border-radius: 16px;
  padding: 44px 44px 36px;
  box-shadow: 0 30px 80px rgba(3, 12, 26, .35), 0 2px 6px rgba(3, 12, 26, .15);
  animation: rise .45s cubic-bezier(.2, .7, .2, 1) both;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(14px) scale(.985); }
  to { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .notice { animation: none; }
}

.rename {
  display: flex;
  align-items: center;
  gap: 18px;
  margin: 0 0 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.rename .logo { height: 54px; width: auto; display: block; min-width: 0; flex: 0 1 auto; }
.rename .old { opacity: .6; filter: saturate(.7); }
.rename .arrow { width: 36px; height: 16px; flex: none; color: var(--copper); }

h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(30px, 6vw, 40px);
  line-height: 1.1;
  letter-spacing: -.01em;
  margin: 0 0 20px;
}
h1 em { font-style: normal; color: var(--copper); }

.notice p {
  font-size: 16px;
  line-height: 1.6;
  margin: 0 0 14px;
  color: var(--muted);
}

.note {
  margin: 24px 0 28px;
  padding-left: 16px;
  border-left: 3px solid var(--copper);
}
.note p { color: var(--ink); }
.note p:last-child { margin-bottom: 0; }
.note strong { font-weight: 600; }

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 24px;
}

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  padding: 14px 22px;
  border-radius: 10px;
  transition: background .15s ease, transform .15s ease;
}
.btn:hover { background: var(--accent-hover); }
.btn:active { transform: translateY(1px); }

.link {
  color: var(--accent);
  font-weight: 500;
  font-size: 15px;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(12, 35, 64, .35);
}
.link:hover { text-decoration-color: currentColor; }

.btn:focus-visible, .link:focus-visible, .footer a:focus-visible {
  outline: 3px solid #d9a07a;
  outline-offset: 3px;
}

.footer {
  margin: 28px 0 0 !important;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 14px !important;
}
.footer a { color: var(--accent); }

@media (max-width: 520px) {
  .notice { padding: 32px 22px 26px; border-radius: 14px; }
  .rename { gap: 12px; }
  .rename .logo { height: auto; width: 100%; max-width: 120px; flex: 1 1 0; }
  .rename .arrow { width: 26px; }
  .btn { width: 100%; text-align: center; }
  .actions { justify-content: center; }
}