@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

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

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: radial-gradient(circle at -40% -70%, #1255fe, #8968f633, #b785f140, #fcd36152, #e8caec00, #f1e0f073, #f1e0f0, #f5f5fa, #f5f5fa, #f5f5fa);
  background-color: #f5f5fa;
  color: #1e293b;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.card {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 1.25rem;
  padding: 3rem 3.5rem;
  max-width: 85%;
  width: fit-content;
  text-align: center;
  box-shadow: 0 8px 32px rgba(18, 85, 254, 0.08), 0 2px 8px rgba(0,0,0,0.06);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: #dcfce7;
  color: #16a34a;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.75rem;
  border-radius: 9999px;
  border: 1px solid #16a34a;
  margin-bottom: 1.5rem;
  user-select: none;
}

.badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #16a34a;
  animation: pulse 2s infinite;
  user-select: none;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

h1 {
  font-size: 2rem;
  font-weight: 700;
  color: rgb(30 116 221);
  line-height: 1.2;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.subtitle {
  color: #64748b;
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 2rem;
}

.divider {
  border: none;
  border-top: 1px solid #e2e8f0;
  margin: 2rem 0;
}

.cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #2563eb;
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: 0.625rem;
  text-decoration: none;
  transition: background 0.15s, transform 0.1s;
  margin-bottom: 15px;
}

.cta:hover {
  background: #1d4ed8;
  transform: translateY(-1px);
}

.cta svg {
  flex-shrink: 0;
}

.diagram {
  padding: 8px;
  width: 100%;
  max-width: 1000px;
  height: auto;
  display: block;
  margin: 1.5rem auto 0;
  border-radius: 0.75rem;
  border: 1px solid #e2e8f0;
  background-color: white;
}

footer {
  margin-top: 2.5rem;
  color: #94a3b8;
  font-size: 0.8rem;
}

footer a {
  color: #64748b;
  text-decoration: none;
}

footer a:hover {
  color: #1e293b;
}
