body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: linear-gradient(135deg, #1e3c72, #2a5298);
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

.intro-container {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
}

.card {
  background: #fff;
  padding: 30px;
  border-radius: 16px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.2);
  text-align: center;
  max-width: 350px;
  width: 100%;
}

.card h2 {
  margin-bottom: 15px;
  color: #2a5298;
}

.card p {
  margin-bottom: 10px;
  color: #555;
}

.card input {
  width: 100%;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid #ccc;
  margin-bottom: 15px;
}

.card button {
  width: 100%;
  padding: 10px;
  background: #2a5298;
  color: #fff;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-weight: bold;
  transition: background 0.3s;
}

.card button:hover {
  background: #1e3c72;
}

.vk-icon {
  margin-top: 20px;
}

.vk-icon a {
  font-size: 30px;
  color: #2a5298;
  transition: color 0.3s;
}

.vk-icon a:hover {
  color: #1e3c72;
}