.home-nav {
    padding: 1rem 2rem;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 100;
}

.home-nav a {
    color: #ffaa00;
    text-decoration: none;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    font-weight: bold;
    letter-spacing: 1px;
    opacity: 0.6;
    transition: opacity 0.3s ease;
}

.home-nav a:hover {
    opacity: 1;
}

:root {
    /* Physics Inspired Dark Theme */
    --bg-color: #050505;
    --container-bg: #0a0a0a;
    --accent-orange: #ff7700;
    --accent-gold: #ffaa00;
    --accent-purple: #9d00ff;
    --text-color: #e0e0e0;
    --dim-text: #888;
    --border-color: #1a1a1a;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Inter', -apple-system, sans-serif;
    line-height: 1.8;
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem;
}

h1 {
    font-family: 'Outfit', sans-serif;
    font-size: 5rem;
    font-weight: 800;
    text-align: center;
    margin: 4rem 0 2rem;
    background: linear-gradient(to bottom, var(--accent-gold), var(--accent-orange));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -2px;
}

h2 {
    font-family: 'Outfit', sans-serif;
    font-size: 2.2rem;
    margin-top: 5rem;
    color: #fff;
    border-bottom: 2px solid var(--accent-orange);
    display: inline-block;
    padding-bottom: 0.5rem;
}

p {
    margin-bottom: 1.5rem;
    font-size: 1.15rem;
    color: #ccc;
}

.section-tag {
    display: block;
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    font-weight: bold;
    color: var(--accent-gold);
    letter-spacing: 2px;
    margin-bottom: -4rem;
    margin-top: 6rem;
}

.toc {
    background: var(--container-bg);
    border: 1px solid var(--border-color);
    padding: 2.5rem;
    border-radius: 20px;
    margin: 4rem 0;
}

.toc-title {
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    font-weight: bold;
    color: var(--dim-text);
    letter-spacing: 2px;
    margin-bottom: 1.5rem;
}

.toc-part {
    font-weight: bold;
    color: #fff;
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
}

.toc ol {
    list-style: none;
    padding-left: 0;
}

.toc a {
    color: var(--accent-orange);
    text-decoration: none;
    font-size: 1.1rem;
    transition: color 0.2s;
}

.toc a:hover {
    color: #fff;
}

.interactive-container {
    background: #000;
    border: 1px solid var(--border-color);
    border-radius: 24px;
    margin: 3rem 0;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.controls {
    width: 100%;
    margin-top: 1.5rem;
    padding: 0 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
}

button {
    background: #111;
    color: #fff;
    border: 1px solid #333;
    padding: 12px 24px;
    font-family: 'Courier New', monospace;
    font-weight: bold;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.2s;
}

button:hover {
    background: var(--accent-gold);
    color: #000;
    border-color: var(--accent-gold);
}

.slider-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-width: 200px;
}

.slider-group label {
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    color: var(--dim-text);
}

input[type="range"] {
    appearance: none;
    background: #222;
    height: 4px;
    border-radius: 2px;
}

input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 15px;
    height: 15px;
    background: var(--accent-orange);
    border-radius: 50%;
    cursor: pointer;
}

footer {
    margin-top: 8rem;
    padding: 4rem 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
    font-family: 'Courier New', monospace;
    color: var(--dim-text);
    font-size: 0.8rem;
    letter-spacing: 2px;
}