* {
  box-sizing: border-box;
  font-family: Arial, Helvetica, sans-serif;
}

body {
  background: #0b0f1a;
  color: #f5f7fa;
  margin: 0;
  padding: 40px 20px;
}

.container {
  max-width: 900px;
  margin: auto;
}

h1, h2 {
  text-align: center;
}

.intro {
  text-align: center;
  color: #cfd3dc;
  margin-bottom: 40px;
}

.nda-box {
  background: #181f32;
  padding: 30px;
  border-radius: 16px;
}

.nda-text {
  font-size: 0.95rem;
  color: #cfd3dc;
  margin: 20px 0;
}

.check {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

button {
  width: 100%;
  padding: 14px;
  border-radius: 30px;
  border: none;
  background: #4f46e5;
  color: white;
  font-weight: bold;
  cursor: pointer;
}

button:disabled {
  background: #555;
  cursor: not-allowed;
}

#content {
  margin-top: 60px;
}

.hidden {
  display: none;
}

.note {
  font-size: 0.9rem;
  color: #9aa0ad;
  margin-top: 20px;
}