* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
}

header {
    background-color: white;
    padding: 20px;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    margin-bottom: 30px;
}

.logo {
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo img {
    max-height: 100px;
    width: auto;
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.grid-item {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    padding: 20px;
    text-align: center;
    transition: transform 0.3s ease;
}

.grid-item:hover {
    transform: translateY(-5px);
}

.grid-item a {
    text-decoration: none;
    color: #333;
    font-size: 18px;
    font-weight: bold;
}

@media (max-width: 1024px) {
    .grid-container {
        grid-template-columns: repeat(3, 1fr);
    }
    .logo img {
        max-height: 80px;
    }
}

@media (max-width: 768px) {
    .grid-container {
        grid-template-columns: repeat(2, 1fr);
    }
    .logo img {
        max-height: 70px;
    }
}

@media (max-width: 480px) {
    .grid-container {
        grid-template-columns: 1fr;
    }
    .logo img {
        max-height: 60px;
    }
}