/* Hintergrund */
body {
    font-family: Arial, sans-serif;
    background: #0f0f0f;
    color: #eaeaea;
    margin: 20px;
}

/* Titel */
h1 {
    text-align: center;
    margin-bottom: 30px;
    color: #ffffff;
}

/* Karten-Container */
#sensors {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
}

/* Karten */
.card {
    background: #1c1c1c;
    padding: 20px;
    border-radius: 12px;
    border: 1px solid #333;
    box-shadow: 0 0 12px rgba(0,0,0,0.4);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

/* Hover-Effekt */
.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 18px rgba(0,0,0,0.6);
}

/* Karten-Titel */
.card h2 {
    margin-top: 0;
    color: #4db8ff;
}

/* Text */
.card p {
    font-size: 1.3rem;
    margin-top: 10px;
    color: #e6e6e6;
}

/* Werte hervorheben */
.card strong {
    color: #ffffff;
    font-weight: bold;
}