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

body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #0a0a0b;
  font-family: 'Inter', system-ui, sans-serif;
  overflow: hidden;
}

.card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 24px;
  padding: 56px 64px;
  text-align: center;
  backdrop-filter: blur(20px);
  max-width: 480px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #10b981;
  margin: 0 auto 28px;
  box-shadow: 0 0 0 4px rgba(16,185,129,0.2);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 4px rgba(16,185,129,0.2); }
  50%       { box-shadow: 0 0 0 10px rgba(16,185,129,0.05); }
}

h1 {
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: #fff;
  margin-bottom: 16px;
}

.highlight {
  background: linear-gradient(135deg, #a855f7, #6366f1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

p {
  color: rgba(255,255,255,0.45);
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 36px;
}

button {
  background: linear-gradient(135deg, #a855f7, #6366f1);
  color: #fff;
  border: none;
  border-radius: 12px;
  padding: 14px 32px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
  box-shadow: 0 4px 24px rgba(99,102,241,0.3);
}

button:hover { transform: translateY(-2px); }
button:active { transform: scale(0.97); }