body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background-color: #f4f4f4;
}

header .logo img {
    height: 50px;
}

header nav a {
    text-decoration: none;
    color: #333;
    margin-left: 20px;
}

.three-sections {
    display: flex;
    justify-content: space-around;
    padding: 40px;
    flex-wrap: wrap;
}

.section {
    width: 20%;
    text-align: center;
    margin-bottom: 20px;
    font-size: 1.2em;
}

/* Responsive Image Grid */
.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 10px;
    padding: 20px;
}

.grid-item img {
    width: 100%;
    height: auto;
    display: block;
    border: 2px solid #ccc;
    transition: transform 0.3s ease;
}

.grid-item img:hover {
    transform: scale(1.05);
}

footer {
    background-color: #f4f4f4;
    text-align: center;
    padding: 20px;
    margin-top: auto;
}

footer p {
    margin: 0;
}