header{
    background-color: lightgray;
    color: #212529;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    font-family: cursive;
    gap: 390px;
    font-weight: bolder;
    padding: 20px;
    display: flex;
    text-align: center;
}

    .logo{
    display: block;
    height: 130px;
    width: 150px;
    border-radius: 50%;
    margin-left: 11px;
    }

    header a{
    text-decoration: none;
    color: inherit;
    }

     section{
    background-color: mintcream;
    border-radius: 8px;
    margin: 20px auto;
    max-width: 1000px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 24px;
    transition: box-shadow 0.3s ease;
    }

    body{
        font-family: cursive;
        background-color: #212529;
        font-weight: bolder;
    }

    .container {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
}

.description {
    text-align: center;
    color: #666;
    margin-bottom: 30px;
    line-height: 1.6;
}

#about {
    background: #f8f9fa;
    padding: 15px;
    border-left: 4px solid #667eea;
    margin-bottom: 30px;
    border-radius: 4px;
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #444;
}

input[type="date"] {
    width: 100%;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 6px;
    font-size: 20px;
}

input[type="date"]:focus {
    outline: none;
    border-color: #667eea;
}

.radio-group {
    display: flex;
    gap: 20px;
}

.radio-group label {
    font-weight: 400;
}

button {
    padding: 12px 25px;
    border: none;
    border-radius: 6px;
    font-size: 20px;
    font-weight: 600;
    cursor: pointer;
    margin-right: 10px;
    margin-top: 10px;
}

#submitBtn {
    background: #667eea;
    color: white;
}

#submitBtn:hover {
    background: #5568d3;
}

#clearBtn {
    background: #e0e0e0;
    color: #333;
}

.result-section {
    margin-top: 30px;
    padding: 20px;
    background: #e8f5e9;
    border-radius: 6px;
    text-align: center;
    font-size: 30px;
    font-weight: 600;
    color: #2e7d32;
    display: none;
}

.result-section.show {
    display: block;
}

footer {
margin: auto;
text-align: center;
font-size: 18px;
width: 100%;
color: #e8f5e9;}

.akan{
    width: 800px;
    height: 600px;
    display: block;
    margin: 0 auto;
    flex-wrap: wrap;
    display: flex;
    padding: 30px;
}

nav ul{
background-color: lightgray;
text-align: center;
padding: 12px 0;
list-style: none;
display: flex;
justify-content: center;
}


nav a{
    text-decoration: none;
    color: #212529;
    margin: 0 20px;
    font-weight: 600;
    font-size: 18px;
    letter-spacing: 0.5px;
    }  

    nav a:hover {
    color: cornflowerblue;
    text-decoration: underline;
}