* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
header{
    background-color: rgb(94, 92, 92);
    padding: 20px;
}
header, h1{
    color: white;
    text-align: center;
}
nav {
    background-color: #243247;
    padding: 15px 0;
}
.nav, .items{
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 50px;
}
.nav, .items, li ,a {
    text-decoration: none;
    color: #ffffff;
    padding: 10px 10px;
    transition: all 0.3s ease;
}
section {
    margin: 40px auto;
    padding: 30px;
    max-width: 1000px;
    background-color: #f8fafc;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
section h2 {
    margin-bottom: 25px;
    font-size: 22px;
    color: #1e293b;
    border-bottom: 3px solid #38bdf8;
    padding-bottom: 8px;
}
.submenu {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}
.submenu li span{
    color: black;
    content: 100%;
}
footer{
    background-color: rgb(16, 8, 129);
    padding: 15px;
}
footer h4{
    color: white;
    text-align: center;
}