header {
    position: fixed;       
    top: 0;
    left: 0;
    width: 100%;           
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 8%;
    background: #0a3d2c;
    color: #fff;
    z-index: 1000;         
    box-sizing: border-box;
}


body {
    padding-top: 70px; 
}

header .logo {
    font-size: 24px;
    font-weight: bold;
}

header nav a {
    color: #fff;
    text-decoration: none;
    margin-left: 20px;      
    transition: text-decoration 0.3s ease;
}

header nav a:hover {
    text-decoration: underline;
}


@media (max-width: 768px) {
    header {
        padding: 15px 5%;
        flex-wrap: wrap;
    }
    
    header nav a {
        margin-left: 10px;
        font-size: 14px;
    }
}