body {
  font-family: 'Tahoma', sans-serif;
  background-color: #e6f0ff;
  margin: 0;
  padding: 0;
  text-align: center;
}
.container { padding: 20px; }
.logo { width: 80px; margin: 10px auto; display: block; }
h1 { color: #1a237e; margin-bottom: 5px; }
.brand { color: #333; margin-top: 0; margin-bottom: 15px; }
.segment { margin: 15px 0; }
.seg-btn {
  background: #f0f6ff;
  color: #0e3a67;
  border: 1.5px solid #cfe0ff;
  border-radius: 28px;
  padding: 8px 18px;
  font-weight: 700;
  margin: 0 5px;
  transition: .15s ease;
}
.seg-btn.active {
  background: #0e3a67;
  color: #fff;
  border-color: #0e3a67;
  box-shadow: inset 0 2px 6px rgba(0,0,0,.18);
}
.main-btn {
  background: #0d47a1;
  color: #fff;
  border: none;
  padding: 12px 28px;
  font-size: 18px;
  border-radius: 8px;
  cursor: pointer;
}
.result-box {
  background: #fff;
  border-radius: 12px;
  padding: 15px;
  margin: 15px auto;
  max-width: 320px;
  box-shadow: 0 2px 6px rgba(0,0,0,.15);
}
.highlight-circle {
  margin: 15px auto;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: #0d47a1;
  color: #fff;
  font-size: 28px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-weight: bold;
}
.disclaimer {
  margin-top: 20px;
  font-size: 13px;
  color: #333;
}