:root {
    --plat-bg: #fdfdfd;
    --plat-silver: #e5e7eb;
    --plat-steel: #94a3b8;
    --plat-accent: #334155;
    --plat-gold-subtle: #d4d4d8;
    --text-charcoal: #1e293b;
    --text-light: #64748b;
    --glass-plat: rgba(255, 255, 255, 0.7);
    --border-plat: rgba(0, 0, 0, 0.05);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--plat-bg);
    color: var(--text-charcoal);
    font-family: 'Inter', sans-serif;
    line-height: 1.6; /* Tighter for academic feel */
    overflow-x: hidden;
}

p {
    margin-bottom: 0 !important;
    margin-top: 0 !important;
}

#webgl-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    background: radial-gradient(circle at 50% 50%, #ffffff 0%, #f1f5f9 100%);
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem;
}

.container-wide {
    max-width: 1400px;
}

/* --- Academic Navigation --- */
.academic-nav {
    height: 100px;
    display: flex;
    align-items: center;
    border-bottom: 2px solid var(--plat-silver);
}

.nav-back {
    text-decoration: none;
    color: var(--text-light);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: color 0.3s ease;
}

.nav-back:hover {
    color: var(--plat-accent);
}

.institutional-badge {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
}

.badge-text {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.3em;
    color: var(--plat-accent);
    text-transform: uppercase;
}

.badge-line {
    height: 1px;
    background: var(--plat-silver);
    flex: 1;
    max-width: 100px;
}

/* --- Platinum Header --- */
.platinum-header {
    padding: 8rem 0 4rem;
    text-align: center;
}

.academic-title {
    font-family: 'Cormorant Garamond', serif;
    font-size: 4.5rem;
    font-weight: 300;
    letter-spacing: -0.01em;
    margin-bottom: 0.5rem;
    color: var(--text-charcoal);
}

.academic-subtitle {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5em;
    color: var(--text-light);
    font-weight: 500;
    margin-top: 1rem;
}

.header-divider {
    width: 40px;
    height: 1px;
    background: var(--plat-accent);
    margin: 4rem auto 0;
}

/* --- Content Layout --- */
.license-container {
    max-width: 800px;
    margin: 0 auto 10rem;
}

.academic-section {
    margin-bottom: 8rem;
}

.academic-card {
    padding: 0;
    background: transparent;
    border: none;
    box-shadow: none;
}

.section-label {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.3em;
    color: var(--text-light);
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    display: block;
}

.section-title {
    font-family: 'Cormorant Garamond', serif;
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 3rem;
    color: var(--plat-accent);
    border-bottom: 1px solid var(--plat-silver);
    padding-bottom: 1.5rem;
}

.license-item {
    margin-bottom: 3rem;
}

.license-item:last-child {
    margin-bottom: 0;
}

.license-item h3 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.license-tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    padding: 0.1rem 0.6rem;
    border: 1px solid var(--plat-silver);
    border-radius: 2px;
    font-weight: 400;
    color: var(--text-light);
}

.description {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 1rem;
    max-width: 600px;
}

.source-link {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: var(--plat-accent);
    text-decoration: none;
    border-bottom: 1px solid var(--plat-accent);
    padding-bottom: 2px;
    transition: all 0.3s ease;
}

.source-link:hover {
    letter-spacing: 0.05em;
    opacity: 0.7;
}

/* --- Side Column --- */
.simple-list {
    list-style: none;
}

.simple-list li {
    padding: 1rem 0;
    border-bottom: 1px solid var(--plat-silver);
    font-size: 0.9rem;
}

.simple-list li:last-child {
    border-bottom: none;
}

.legal-text {
    font-style: italic;
    font-size: 0.95rem;
    color: var(--text-light);
    font-family: 'Cormorant Garamond', serif;
}

.platinum-footer {
    padding: 6rem 0;
    text-align: center;
    border-top: 1px solid var(--plat-silver);
    background: #fff;
}

.platinum-footer p {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--text-light);
}

/* --- Responsive --- */
@media (max-width: 968px) {
    .license-grid {
        grid-template-columns: 1fr;
    }
    
    .academic-title {
        font-size: 2.5rem;
    }
    
    .academic-card {
        padding: 2.5rem;
    }
}
