:root {
  --bg: #f7f7f5;
  --fg: #16181d;
  --muted: #676b75;
  --line: #e2e2dd;
  --accent: #2f6fed;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --fg: #e8e9ec;
    --muted: #8b909b;
    --line: #23262d;
    --accent: #6c9bff;
  }
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 48px 16px;
  max-width: 560px;
  margin: 0 auto;
}

.mark { position: relative; width: 96px; height: 96px; margin-bottom: 32px; }
.dot, .ring { position: absolute; border-radius: 50%; inset: 0; margin: auto; }
.dot { width: 14px; height: 14px; background: var(--accent); }
.ring { border: 2px solid var(--accent); opacity: 0; animation: wave 3s ease-out infinite; }
.r2 { animation-delay: 1s; }
.r3 { animation-delay: 2s; }
@keyframes wave {
  from { width: 14px; height: 14px; opacity: .8; }
  to   { width: 96px; height: 96px; opacity: 0; }
}

h1 { margin: 0 0 12px; font-size: clamp(32px, 7vw, 48px); letter-spacing: -.02em; font-weight: 650; }
.lead { margin: 0 0 28px; color: var(--muted); }

.status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 14px;
  color: var(--muted);
}
.pulse { width: 8px; height: 8px; border-radius: 50%; background: #e5a50a; animation: blink 2s ease-in-out infinite; }
@keyframes blink { 50% { opacity: .3; } }

footer { padding: 24px 16px; text-align: center; font-size: 13px; color: var(--muted); }

@media (prefers-reduced-motion: reduce) {
  .ring, .pulse { animation: none; }
  .r1 { opacity: .4; width: 48px; height: 48px; }
}