* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: linear-gradient(135deg, #1f2937, #111827);
  color: #111827;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.container {
  width: 100%;
  max-width: 720px;
}

.card {
  background: #ffffff;
  border-radius: 18px;
  padding: 40px;
  text-align: center;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

.icon {
  font-size: 52px;
  margin-bottom: 10px;
}

h1 {
  margin: 0 0 20px;
  color: #b91c1c;
  font-size: 32px;
}

p {
  font-size: 18px;
  line-height: 1.6;
}

.warning {
  background: #fef3c7;
  border: 2px solid #f59e0b;
  color: #92400e;
  padding: 18px;
  border-radius: 12px;
  margin: 25px 0;
  font-size: 18px;
}

.small {
  font-size: 15px;
  color: #4b5563;
}

button {
  margin-top: 20px;
  background: #b91c1c;
  color: white;
  border: none;
  border-radius: 10px;
  padding: 13px 22px;
  font-size: 16px;
  cursor: pointer;
}

button:hover {
  background: #991b1b;
}

.hidden {
  display: none;
}

#extraInfo {
  margin-top: 20px;
  background: #fee2e2;
  padding: 15px;
  border-radius: 10px;
}

.logo {
    width: 220px;
    max-width: 90%;
    height: auto;
    display: block;
    margin: 0 auto 25px auto;
}