:root {
  --text: #0f172a;
  --muted: #475569;
  --blue: #0b63d8;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: transparent;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: transparent;
  padding: 18px 14px 26px;
}

.panel {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  padding: 0;
  text-align: center;
  background: transparent;
  border: 0;
  box-shadow: none;
}

.logo {
  display: block;
  width: min(100%, 380px);
  height: auto;
  margin: 0 auto 18px;
}

.lead {
  margin: 0 auto 18px;
  max-width: 720px;
  font-size: 1.06rem;
  line-height: 1.6;
  color: var(--muted);
}

.sub {
  margin: 0 auto 22px;
  max-width: 780px;
  font-size: 0.98rem;
  line-height: 1.55;
  color: var(--muted);
}

.actions {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 0;
}

.btn {
  display: inline-block;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--blue), #0a55b6);
  color: #ffffff;
  box-shadow: 0 10px 24px rgba(11, 99, 216, 0.20);
}

.btn:hover {
  transform: translateY(-1px);
}

.footer-note {
  margin-top: 22px;
  font-size: 0.95rem;
  line-height: 1.45;
  color: #64748b;
  padding-bottom: 4px;
}

@media (max-width: 640px) {
  body {
    padding: 14px 12px 22px;
  }

  .logo {
    width: min(100%, 320px);
    margin-bottom: 16px;
  }

  .lead {
    font-size: 1rem;
    margin-bottom: 16px;
  }

  .sub {
    font-size: 0.96rem;
    margin-bottom: 18px;
  }

  .btn {
    padding: 13px 22px;
  }

  .footer-note {
    margin-top: 18px;
    font-size: 0.92rem;
  }
}