body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    color: #333;
    padding: 30px;
    max-width: 800px;
    margin: auto;
    margin-left: 100px; /* space for the helix motif */
    position: relative;
    z-index: 1;
}

body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 80px;
    height: 100%;
    background-image: url('images/helix-motif.png');
    background-repeat: repeat-y;
    background-size: contain;
    z-index: 0;
    pointer-events: none;
    opacity: 0.85;
}

h1 {
    color: #222;
}

h2 {
    margin-top: 0;
    margin-bottom: 0.5em;
}

.platform {
    margin: 15px 0;
    padding: 20px;
    background: #fff;
    border: 2px solid #ccc;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.platform img {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
}

.platform div {
    flex-grow: 1;
}

.platform p {
    margin-top: 0.5em;
    margin-bottom: 0.5em;
}

.platform p small {
    font-size: 0.85em;
    color: #555;
}

.platform p small a {
    color: #007bff;
    text-decoration: none;
}

.platform p small a:hover {
    text-decoration: underline;
}

.highlight {
    border: 3px solid #007bff !important;
    background-color: #e9f5ff;
    font-size: 1.05em;
}

.highlight h2 {
    font-size: 1.2em;
}

.alternative {
    justify-content: space-between;
    font-size: 0.9em;
    opacity: 0.95;
    padding: 12px 15px;
    margin: 8px 0;
    border: 1px solid #ddd;
}

.alternative img {
    width: 24px;
    height: 24px;
    margin-right: 12px;
}

.alternative h2 {
    font-size: 1em;
    margin: 0;
    display: flex;
    align-items: center;
}

.btn {
    background-color: #007bff;
    color: #fff;
    padding: 8px 12px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    font-size: 0.95em;
    display: inline-block;
    margin-top: 5px;
    transition: background-color 0.3s ease;
}

.btn:hover {
    background-color: #0056b3;
}

.btn-coming-soon {
    background-color: #cccccc;
    color: #666666;
    cursor: not-allowed;
}

.btn-coming-soon:hover {
    background-color: #b3b3b3;
    color: #555555;
}

#autodetect {
    font-style: italic;
    margin-top: 20px;
    margin-bottom: 20px;
    font-weight: bold;
}

#alternatives h3 {
    margin-top: 30px;
}