body {
    margin: 0;
    padding: 0;
    background: #0b0b0c;
    color: #e6e6e6;
    font-family: Arial, Helvetica, sans-serif;
}

#brain-header {
    text-align: center;
    padding: 30px 0;
    background: #111214;
    border-bottom: 1px solid #202022;
}

#brain-header h1 {
    margin: 0;
    font-size: 32px;
    letter-spacing: 3px;
}

#brain-header h2 {
    margin: 10px 0 0 0;
    font-size: 16px;
    opacity: 0.7;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 20px;
    padding: 30px;
}

.card {
    background: #141416;
    padding: 20px;
    border-radius: 10px;
    border: 1px solid #1f1f21;
    min-height: 220px;
}

.card h3 {
    margin-top: 0;
    margin-bottom: 15px;
    color: #4bb6ff;
    font-size: 18px;
}

.card div {
    font-size: 14px;
    line-height: 1.45;
    color: #d0d0d0;
}