body {
    font-family: Arial, sans-serif;
    margin: 30px;
    text-align: center;
    background: #f5f5f5;
}

h1 {
    margin-bottom: 30px;
    color: #002244;
}

.three-columns {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin: 20px auto;
}

.column {
    width: 30%;
    background: white;
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.12);
}

.column h3 {
    margin-bottom: 10px;
    font-size: 18px;
    color: #002244;
}

.column img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 0 8px rgba(0,0,0,0.15);
}

.description {
    font-size: 18px;
    max-width: 900px;
    margin: 20px auto;
    padding: 15px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 0 8px rgba(0,0,0,0.12);
}

.controls {
    margin-top: 20px;
    font-size: 20px;
}

button {
    padding: 10px 25px;
    background: #002244;
    color: white;
    border: none;
    font-size: 16px;
    border-radius: 6px;
    cursor: pointer;
    margin: 0 10px;
}

button:hover {
    background: #003366;
}