/* Reset and basic styles */
html, body {
  height: 100%;
  margin: 0;
  padding: 0;
  background-color: #0a192f;
  color: white;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Centering container */
.container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 20px;
}

/* Logo */
.logo {
  margin-bottom: 4px;
}

.logo img {
  width: 200px;
  max-width: 80%;
  height: auto;
  animation: fadeInDown 1s ease-out;
}

/* Text */
.subtitle {
  font-size: 1.2rem;
  margin: 10px 0;
  color: #a0c4ff;
  animation: fadeInUp 1.2s ease-out;
}

/* Button and text container */
.cta-box {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Button */
.button {
  display: inline-block;
  margin-top: 15px;
  padding: 12px 24px;
  background-color: #1e3a8a;
  color: white;
  text-decoration: none;
  border-radius: 10px;
  font-size: 1rem;
  transition: background-color 0.3s ease, transform 0.2s ease;
  animation: fadeInUp 1.5s ease-out;
}

.button:hover {
  background-color: #3b82f6;
  transform: scale(1.05);
}

/* Animation */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Responsive */
@media (max-width: 480px) {
  .logo img {
    width: 150px;
  }

  .subtitle {
    font-size: 1rem;
  }

  .button {
    padding: 10px 20px;
    font-size: 0.95rem;
  }
}