body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background: #f4f4f4;
    color: #333;
}

.container {
    width: 80%;
    margin: auto;
    overflow: hidden;
    padding: 0 20px;
}

header {
    background: #333;
    color: #fff;
    padding-top: 30px;
    min-height: 70px;
    border-bottom: #0779e4 3px solid;
}

header h1 {
    float: left;
    margin-top: 0;
}

header nav {
    float: right;
    margin-top: 10px;
}

header ul {
    padding: 0;
    margin: 0;
    list-style: none;
}

header li {
    display: inline;
    padding: 0 20px 0 20px;
}

header a {
    color: #fff;
    text-decoration: none;
    text-transform: uppercase;
    font-size: 16px;
}

section {
    padding: 20px 0;
    border-bottom: 1px solid #ddd;
}

#about h2, #research h2, #contact h2 {
    text-align: center;
    margin-bottom: 20px;
}

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.gallery-item {
    background: #fff;
    padding: 20px;
    border: 1px solid #ddd;
    text-align: center;
}

.gallery-item img {
    max-width: 100%;
    height: auto;
    border-radius: 5px;
}

footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 30px 0;
    margin-top: 20px;
}

a {
    color: #0779e4;
}

a:hover {
    color: #333;
}