* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    background: #f4f6f8;
    color: #333;
}

header {
    background: #1e90ff;
    color: white;
    text-align: center;
    padding: 40px 20px;
}

header h1 {
    font-size: 2.2em;
}

header p {
    margin-top: 10px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    padding: 40px;
}

.card {
    background: white;
    padding: 20px;
    border-radius: 10px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.card h2 {
    color: #1e90ff;
    margin-bottom: 10px;
}

footer {
    text-align: center;
    padding: 20px;
    background: #222;
    color: white;
}