:root {
  --bg: #0f172a; /* slate-900 */
  --card: #111827; /* gray-900 */
  --text: #e5e7eb; /* gray-200 */
  --muted: #94a3b8; /* slate-400 */
  --accent: #38bdf8; /* sky-400 */
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  background: radial-gradient(
      1200px 800px at 70% -10%,
      rgba(56, 189, 248, 0.15),
      transparent 60%
    ),
    var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell,
    Noto Sans, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  display: grid;
  place-items: center;
  padding: 24px;
}

.card {
  width: 100%;
  max-width: 640px;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.06),
    rgba(255, 255, 255, 0.02)
  );
  backdrop-filter: blur(6px);
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 24px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  padding: 28px;
  text-align: center;
}

h1 {
  margin: 0 0 8px;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  letter-spacing: 0.2px;
}

p {
  margin: 0 0 16px;
  color: var(--muted);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px dashed rgba(148, 163, 184, 0.35);
  color: var(--text);
  font-weight: 500;
  background: rgba(15, 23, 42, 0.35);
}

.dots {
  display: inline-flex;
  gap: 6px;
  margin-left: 6px;
}

.dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--accent);
  opacity: 0.25;
  transform: translateY(0);
  animation: pulse 1.6s infinite ease-in-out;
}

.dot:nth-child(2) {
  animation-delay: 0.2s;
}

.dot:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 0.25;
    transform: translateY(0);
  }
  
  50% {
    opacity: 1;
    transform: translateY(-3px);
  }
}

footer {
  margin-top: 16px;
  font-size: 0.9rem;
  color: var(--muted);
}
a {
  color: var(--accent);
  text-decoration: none;
}
a:focus,
a:hover {
  text-decoration: underline;
}