body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background: #f4f4f4;
}

header {
    background: #333;
    color: #fff;
    padding: 1rem 0;
    text-align: center;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

header h1 {
    margin: 0;
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
}

nav ul li {
    margin: 0 1rem;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
}

section {
    padding: 4rem 2rem;
    padding-top: 2rem;
    margin-top: 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

section:nth-child(even) {
    background: #e2e2e2;
}

section:nth-child(odd) {
    background: #fff;
}

.content {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    width: 80%;
    max-width: 800px;
    text-align: left;
}

.portrait {
    max-width: 150px;
    border-radius: 50%;
    margin-bottom: 1rem;
}

.image-text {
    margin-bottom: 1rem;
    text-align: left;
    width: 100%;
}

.text {
    max-width: 600px;
    text-align: left;
    width: 100%;
}

footer {
    text-align: center;
    padding: 1rem 0;
    background: #333;
    color: #fff;
    position: relative;
    bottom: 0;
    width: 100%;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}