:root {
    /* Deep Mycelial Obsidian Palette */
    --bg-obsidian: #080E0A;
    --bg-surface: #0B140D;
    --bg-surface-elevated: #111E14;
    --bg-surface-glass: rgba(11, 20, 13, 0.85);
    --bg-glass-card: rgba(14, 26, 17, 0.7);

    /* Bio-Luminescent Gold Accent */
    --accent-gold: #E5A93C;
    --accent-gold-hover: #F3BA54;
    --accent-gold-glow: rgba(229, 169, 60, 0.25);
    --accent-gold-muted: rgba(229, 169, 60, 0.12);

    /* Hyphae Green Secondary */
    --hyphae-green: #5A8A62;
    --hyphae-green-bright: #7DFF7D;
    --hyphae-green-glow: rgba(90, 138, 98, 0.3);
    --hyphae-green-muted: rgba(90, 138, 98, 0.15);

    /* Typography Colors */
    --text-primary: #E8EFE9;
    --text-secondary: #AFC2B2;
    --text-muted: #78907C;
    --text-inverse: #080E0A;

    /* Borders */
    --border-subtle: rgba(90, 138, 98, 0.2);
    --border-bright: rgba(125, 255, 125, 0.35);
    --border-frost: rgba(229, 169, 60, 0.3);

    /* Fonts */
    --font-serif: "Fraunces", Georgia, serif;
    --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: "JetBrains Mono", monospace;

    /* Legacy mapping */
    --accent-color: #E5A93C;
}

.stim-page-container {
    max-width: 1200px;
    margin: 40px auto 80px;
    padding: 0 24px;
    position: relative;
    z-index: 10;
}

.stim-hero {
    text-align: center;
    max-width: 860px;
    margin: 0 auto 60px;
}

.stim-hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2.4rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.15;
    color: var(--text-primary);
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.layer0-badge {
    display: inline-block;
    background: var(--accent-gold-muted);
    border: 1px solid var(--border-frost);
    color: var(--accent-gold);
    font-size: 0.75rem;
    font-family: var(--font-mono);
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 9999px;
    letter-spacing: 0.08em;
    vertical-align: middle;
    margin-left: 0.75rem;
}

.stim-hero-desc {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 32px;
}

.axiom-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
    margin: 3rem 0;
}

.axiom-card {
    background: var(--bg-surface-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-subtle);
    border-radius: 14px;
    padding: 28px;
    transition: all 0.25s ease;
    display: flex;
    flex-direction: column;
}

.axiom-card:hover {
    border-color: var(--hyphae-green-bright);
    background: var(--bg-surface-elevated);
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

.axiom-number {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-gold);
    letter-spacing: 0.08em;
    margin-bottom: 0.75rem;
}

.axiom-name {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.axiom-desc {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.65;
}

.preamble-quote-box {
    background: linear-gradient(135deg, rgba(14, 26, 17, 0.9) 0%, rgba(229, 169, 60, 0.06) 100%);
    border: 1px solid var(--border-frost);
    border-left: 4px solid var(--accent-gold);
    border-radius: 14px;
    padding: 2.5rem;
    margin: 3.5rem 0;
    text-align: left;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

.preamble-tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-gold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
    font-weight: 600;
}

.preamble-quote {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 400;
    font-style: italic;
    color: var(--text-primary);
    line-height: 1.6;
}

.section-label {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--hyphae-green-bright);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.section-heading {
    font-family: var(--font-serif);
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 24px;
    letter-spacing: -0.01em;
}

.tier-table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    font-size: 0.92rem;
    background: var(--bg-surface-glass);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    overflow: hidden;
}

.tier-table th {
    text-align: left;
    padding: 1rem 1.2rem;
    border-bottom: 1px solid var(--border-subtle);
    color: var(--accent-gold);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.05em;
    background: var(--bg-surface-elevated);
}

.tier-table td {
    padding: 1rem 1.2rem;
    border-bottom: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    vertical-align: top;
}

.tier-table tr:last-child td { border-bottom: none; }
.tier-table td:first-child {
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    white-space: nowrap;
}

.paper-block {
    background: var(--bg-surface-glass);
    border: 1px solid var(--border-subtle);
    border-left: 3px solid var(--hyphae-green-bright);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 1.5rem;
    transition: border-color 0.2s ease;
}

.paper-block:hover {
    border-color: var(--accent-gold);
}

.paper-label {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--hyphae-green-bright);
    letter-spacing: 0.08em;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

.paper-title {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.paper-venue {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.impl-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin: 1.5rem 0;
}

.impl-list li {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.impl-list li::before {
    content: "→";
    color: var(--accent-gold);
    font-family: var(--font-mono);
    flex-shrink: 0;
}

.section-divider {
    border: none;
    border-top: 1px solid var(--border-subtle);
    margin: 4.5rem 0;
}