* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: Arial, sans-serif;
  background-color: #0a2a5c;
  color: #fff;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 40px;
  background-color: #0a2a5c;
  flex-wrap: wrap;
}

.logo {
  font-size: 24px;
  font-weight: bold;
  display: flex;
  align-items: center;
}

.logo-icon {
  width: 16px;
  height: 16px;
  background: #3a8bfd;
  margin-right: 8px;
  border-radius: 50%;
}

nav a {
  color: #fff;
  margin-left: 20px;
  text-decoration: none;
}

.two-column-layout {
  display: flex;
  flex-wrap: wrap;
  padding: 40px;
  gap: 40px;
  justify-content: center;
  align-items: center;
}

.intro-column {
  flex: 1;
  max-width: 500px;
}

.intro-column h1 {
  font-size: 32px;
  margin-bottom: 20px;
}

.intro-column p {
  font-size: 18px;
  margin-bottom: 20px;
}

.intro-column ul li {
  margin-bottom: 8px;
  font-size: 16px;
}

.login-column {
  flex: 1;
  max-width: 400px;
  background-color: #f4f7fb;
  color: #333;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.login-column h2 {
  margin-bottom: 20px;
  text-align: center;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.login-form label {
  font-weight: bold;
  text-align: left;
}

.login-form input {
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 16px;
}

.login-form .btn {
  width: 100%;
  margin-top: 10px;
  background-color: #3a8bfd;
  color: #fff;
  padding: 12px;
  border: none;
  border-radius: 6px;
  font-size: 16px;
  cursor: pointer;
}

/* Animações */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(-30px); }
  to { opacity: 1; transform: translateX(0); }
}

/* Responsividade */
@media (max-width: 768px) {
  .two-column-layout {
    flex-direction: column;
    padding: 20px;
  }

  .intro-column, .login-column {
    max-width: 100%;
  }

  .intro-column h1 {
    font-size: 24px;
  }

  .intro-column p, .intro-column ul li {
    font-size: 16px;
  }
}