```css
* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    width: 100%;
    min-height: 100%;
}

body {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    font-family: Arial, sans-serif;
    background: #f5f5f5;
    color: #222;
}

.container {
    width: 100%;
    max-width: 1200px;
    padding: 40px 20px;
    text-align: center;
}

.logo {
    width: 340px;
    height: 340px;
    object-fit: contain;
    margin-bottom: 35px;
}

.columns {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    width: 100%;
}

.column {
    text-align: center;
}

.column h2 {
    margin-bottom: 15px;
}

.buttons {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.button {
    display: block;
    padding: 16px 20px;
    border-radius: 10px;
    background: #222;
    color: white;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    transition: background 0.2s, transform 0.2s;
}

.button:hover {
    background: #444;
    transform: translateY(-2px);
}

.footer {
  height: 50px;
  margin-top: -50px;
}

.impressum {
    text-align: center;
    vertical-align: middle;
    height: 100px;
    width: 100%;
}

.impressum h1{
    font-weight: bold;
    margin-top: 100px;
}

.impressum h2{
    font-style: italic;    
    margin-top: 14px;
}