:root {
    --primary-color: rgb(159, 29, 53);
    --secondary-color: #f1f1f1;
    --text-color: rgb(159, 29, 53);
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-color);
    margin: 0;
    background-color: #fff;
}


.logo-placeholder a {
    font-size: 1.5rem;
}

main {
    max-width: 800px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.experiment h2 {
    border-bottom: 2px solid var(--secondary-color);
    padding-bottom: 0.5rem;
    margin-top: 2rem;
}

.experiment-list {
    list-style: none;
    padding: 0;
}

.experiment-list li {
    background-color: var(--secondary-color);
    margin-bottom: 1rem;
    border-radius: 5px;
}

.experiment-list a {
    display: block;
    padding: 1rem 1.5rem;
    text-decoration: none;
    color: var(--primary-color);
    font-weight: bold;
    transition: background-color 0.3s ease;
}

.experiment-list a:hover {
    background-color: #e0e0e0;
}

/* Image placeholder styling */
.image-placeholder {
    background-color: #e0e0e0;
    border: 2px dashed #ccc;
    text-align: center;
    padding: 4rem 1rem;
    margin: 2rem 0;
    border-radius: 5px;
    color: #888;
}

.site-footer {
    text-align: center;
    margin-top: 3rem;
    padding: 1.5rem;
    background-color: var(--secondary-color);
    color: #666;
    font-size: 0.9rem;
}