body {
margin: 0;
font-family: Arial, sans-serif;
background-color: #f5f5f5;
}
header {
background-color: #0b1f4d;
color: white;
text-align: center;
padding: 50px 20px;
}
h1 {
font-size: 48px;
margin-bottom: 10px;
}
p {
font-size: 20px;
}
section {
background: white;
max-width: 900px; 
margin: 40px auto;
padding: 40px;
border-radius: 15px;
box-shadow: 0 5px 20px rgbq (0,0,0,0.1);
}
button {
background-color: #c89b3c;
color: white;
border: none;
padding: 15px 30px;
font-size: 18px;
border-radius: 10;
cursor: pointer;
}
button:hover {
background-color: #a87b29;
}
form {
display: flex;
flex-direction: column;
gap: 15px;
}
input { 
padding: 15px;
border: 1px solid #cccccc;
border-radius: 10px;
font-size: 16px;
}
input:focus {
outline: none;
border-color: #c89b3c;
}
input:focus {
outline: none;
border-color: #e89b3e;
}
section {
display: flex;
gap: 40px;
 align-items: flex-start;
}

form {
  flex: 1;
}

.card-preview {
  flex: 1;
}