body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    color: #333;
    background: #f4f4f4;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    width: 80%;
    margin: auto;
    overflow: hidden;
}

header {
    background: #00457C;
    color: #fff;
    padding: 20px 0;
    text-align: left;
}

.header-content {
    display: flex;
    align-items: center;
    gap: 20px;
    padding-left: 20px;
}

.photo img {
    border-radius: 50%;
    width: 150px;
    height: 150px;
}

.header-text {
    text-align: left;
}

header h1 {
    margin: 0;
    font-size: 2.5em;
}

.main-container {
    display: flex;
    flex: 1;
}

nav {
    background: #333;
    color: #fff;
    width: 200px;
    padding: 20px 0;
    flex-shrink: 0;
}

nav ul {
    padding: 0;
    list-style: none;
    text-align: left;
    padding-left: 20px;
}

nav ul li {
    margin-bottom: 10px;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
    font-size: 1.1em;
}

main {
    padding: 20px;
    background: #fff;
    flex: 1;
}

main section {
    margin-bottom: 20px;
}

main h2 {
    color: #00457C;
    border-bottom: 2px solid #00457C;
    padding-bottom: 10px;
}

footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 20px 0;
    margin-top: 20px;
}

@media (max-width: 768px) {
    .container {
        width: 90%;
    }

    .header-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .main-container {
        flex-direction: column;
    }

    nav {
        width: 100%;
        text-align: center;
    }

    nav ul {
        padding-left: 0;
    }

    main {
        padding: 10px;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 2em;
    }
    
    .photo-placeholder img {
        width: 100px;
        height: 100px;
    }
    
    .header-content {
        padding-left: 0;
    }
    
    nav ul {
        text-align: center;
    }
}