/* Styles specific to index.html landing page */
body {
    font-family: 'Space Mono', monospace;
    background-color: #1a1a1a; /* Dark background for landing page */
    color: #f0f0f0; /* Light text */
    line-height: 1.6;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
}

.landing-container {
    width: 100%;
    max-width: 900px;
    padding: 30px;
    box-sizing: border-box;
    text-align: center;
}

.landing-header {
    margin-bottom: 40px;
    border-bottom: 3px solid #ff3e3e;
    padding-bottom: 20px;
}

.landing-header h1 {
    font-size: 3em;
    color: #fff;
    margin: 0 0 10px 0;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.landing-header .subtitle {
    font-size: 1.2em;
    color: #ccc;
    margin: 0;
}

.visualization-menu {
    margin-bottom: 40px;
}

.visualization-menu h2 {
    font-size: 1.8em;
    color: #ff3e3e;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.visualization-menu ul {
    list-style: none;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
}

.visualization-menu li {
    margin: 0; /* Handled by gap */
}

.viz-link {
    display: inline-block;
    background-color: #ff3e3e;
    color: #fff;
    text-decoration: none;
    padding: 12px 25px;
    font-weight: bold;
    text-transform: uppercase;
    font-size: 1em;
    border: 2px solid #000;
    box-shadow: 5px 5px 0px rgba(0, 0, 0, 0.5);
    transition: all 0.15s ease-out;
}

.viz-link:hover, .viz-link:focus {
    background-color: #fff;
    color: #ff3e3e;
    border-color: #ff3e3e;
    transform: translate(2px, 2px);
    box-shadow: 3px 3px 0px rgba(0,0,0, 0.3);
}

.viz-link:active {
    transform: translate(5px, 5px);
    box-shadow: none;
}

.about-series {
    background-color: #2a2a2a;
    padding: 25px;
    border: 3px solid #444;
    box-shadow: 0 0 15px rgba(0,0,0,0.3);
    text-align: left;
    margin-bottom: 40px;
}

.about-series h3 {
    font-size: 1.5em;
    color: #ff3e3e;
    margin-top: 0;
    margin-bottom: 15px;
    border-bottom: 2px solid #555;
    padding-bottom: 5px;
}

.about-series p {
    margin-bottom: 15px;
}

.about-series ul {
    padding-left: 20px;
    margin-bottom: 0;
}

.about-series li {
    margin-bottom: 8px;
}

.landing-footer {
    margin-top: auto; /* Pushes footer to bottom if content is short */
    padding-top: 20px;
    font-size: 0.9em;
    color: #888;
    border-top: 1px solid #444;
    width: 100%;
}