body {
    margin: 0;
    height: 100vh;
    font-family: "Segoe UI", sans-serif;
    background: linear-gradient(135deg, #e3f2fd, #ffffff);
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    text-align: center;
    width: 100%;
    max-width: 600px;
}

.header-image {
    width: 300px;
    height: auto;
    margin-bottom: 40px;
}

/* FIXER TEXTRAUM */
#text-box {
    font-size: 1.5rem;
    color: #333;
    height: 4em;              /* ← fixer Platz */
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s ease;
}