/* General styles */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #f4f6f9;
    color: #333;
}

/* Header */
header {
    background: #00509e;
    color: white;
    padding: 20px;
    text-align: center;
}

header h1 {
    margin-bottom: 10px;
}

/* Menu */
nav {
    background: #003f7f;
}
.menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}
.menu > li {
    position: relative;
}
.menu > li > a {
    display: block;
    padding: 15px 20px;
    color: white;
    text-decoration: none;
}
.menu > li > a:hover {
    background: #0074cc;
}
.menu li ul {
    display: none;
    position: absolute;
    background: #004b99;
    list-style: none;
    margin: 0;
    padding: 0;
}
.menu li:hover ul {
    display: block;
}
.menu li ul li a {
    padding: 10px 15px;
    display: block;
    color: white;
}
.menu li ul li a:hover {
    background: #0074cc;
}

/* Main content */
main {
    padding: 20px;
    max-width: 900px;
    margin: auto;
}

.profile-img {
    max-width: 200px;
    margin-top: 15px;
    border-radius: 8px;
    display: block;
}

/* Footer */
footer {
    text-align: center;
    background: #00509e;
    color: white;
    padding: 15px;
    margin-top: 20px;
}