* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  color: #e2e8f0;
  padding: 1.5rem;
}

.card {
  text-align: center;
  max-width: 480px;
  padding: 3rem 2rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  backdrop-filter: blur(10px);
}

.icon { font-size: 3.5rem; margin-bottom: 1rem; }

h1 {
  font-size: 2.5rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.lead { font-size: 1.15rem; color: #cbd5e1; margin-bottom: 0.5rem; }

.sub { font-size: 0.95rem; color: #94a3b8; margin-bottom: 2rem; }

.bar {
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 99px;
  overflow: hidden;
}

.bar span {
  display: block;
  height: 100%;
  width: 40%;
  background: linear-gradient(90deg, #38bdf8, #818cf8);
  border-radius: 99px;
  animation: slide 1.8s ease-in-out infinite;
}

@keyframes slide {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(350%); }
}