:root {
  --bg: #f4f6fb;
  --panel: #ffffff;
  --text: #0f172a;
  --muted: #5b6477;
  --line: #dbe2ee;
  --accent: #0ea5e9;
  --shadow: 0 14px 40px rgba(12, 26, 75, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Space Grotesk", system-ui, -apple-system, sans-serif;
  background:
    radial-gradient(900px 480px at 0% -10%, rgba(14, 165, 233, 0.16), transparent 62%),
    radial-gradient(700px 520px at 100% -20%, rgba(16, 185, 129, 0.14), transparent 60%),
    var(--bg);
}

.demo-shell {
  width: min(980px, 100% - 32px);
  margin: 28px auto 40px;
}

.demo-header {
  margin-bottom: 14px;
}

.brand-logo {
  width: 132px;
  display: block;
}

.demo-tagline {
  margin: 10px 0 0;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.muted {
  color: var(--muted);
  font-weight: 600;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--panel);
  box-shadow: var(--shadow);
  padding: 18px;
}

.verify-wrap {
  margin-top: 4px;
}

#verifyFrame {
  width: 100%;
  min-height: 660px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #ffffff;
}

.final-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #f8fafc;
  padding: 16px;
}

.final-line {
  margin: 0;
  font-size: 16px;
}

.final-line + .final-line {
  margin-top: 10px;
}

.final-cta {
  margin-top: 14px;
  display: flex;
}

.btn {
  border: 0;
  border-radius: 12px;
  padding: 10px 14px;
  font: 700 14px/1 "Space Grotesk", system-ui, sans-serif;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn.primary {
  color: #ffffff;
  background: linear-gradient(120deg, #0284c7, #0369a1);
}

.hidden {
  display: none !important;
}

@media (max-width: 980px) {
  #verifyFrame {
    min-height: 560px;
  }
}