/* Navbar */
nav {
    background: linear-gradient(135deg, #6a11cb, #2575fc);
    padding: 15px 0;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    text-align: center;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    z-index: 999;
}
nav ul {
    margin: 0;
    padding: 0;
    list-style: none;
}
nav ul li {
    display: inline-block;
    margin: 0 15px;
}
nav ul li a {
    color: white;
    text-decoration: none;
    font-size: 18px;
    font-weight: bold;
    transition: 0.3s;
}
nav ul li a:hover {
    color: #ffdf00;
}
body {
    font-family: 'Cairo', sans-serif;
    background: linear-gradient(135deg, #6a11cb, #2575fc);
    padding-top: 70px;
    margin: 0;
}