/* Design System: Modern Classic / Intellectual Heritage */
:root {
    /* Color Palette */
    --bg-color: #F9F9F4;
    /* Cream / Textured Paper */
    --text-color: #1A1A1A;
    /* Ink Black */
    --accent-gold: #C2B280;
    /* Sepia/Gold */
    --accent-blue: #4A6fa5;
    /* Muted Blueprint Blue */
    --accent-red: #8B3A3A;
    /* Brick Red */
    --paper-texture: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI0IiBoZWlnaHQ9IjQiPgo8cmVjdCB3aWR0aD0iNCIgaGVpZ2h0PSI0IiBmaWxsPSIjRjlGOUY0Ii8+CjxyZWN0IHdpZHRoPSIxIiBoZWlnaHQ9IjEiIGZpbGw9IiMwMDAiIG9wYWNpdHk9IjAuMDUiLz4KPC9zdmc+');

    /* Typography */
    --font-heading: 'EB Garamond', serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Spacing */
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 8rem;

    /* Transitions */
    --transition-smooth: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Base */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-color);
    background-image: var(--paper-texture);
    color: var(--text-color);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Typography map */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 500;
    line-height: 1.1;
    color: var(--text-color);
}

h1 {
    font-size: clamp(3rem, 8vw, 6rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 5vw, 4rem);
    margin-bottom: var(--space-md);
}

p {
    margin-bottom: var(--space-md);
    font-size: 1.125rem;
    color: rgba(26, 26, 26, 0.9);
}

.mono {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: rgba(26, 26, 26, 0.6);
}

/* Layout Utilities */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.section {
    padding: var(--space-xl) 0;
    position: relative;
    border-bottom: 1px solid var(--text-color);
    /* Subtle etching line */
}

/* Match Premise Spacing for other Key Sections */
#visual-map,
#timeline,
#archetypes {
    padding: 6rem 2rem 3rem 2rem;
}

/* Navigation */
.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) 0;
    border-bottom: 2px solid var(--text-color);
    margin-bottom: var(--space-lg);
}

.nav-chip {
    background-color: var(--accent-red);
    color: #fff;
    font-size: 0.65rem;
    padding: 2px 6px;
    border-radius: 2px;
    margin-left: 0.5rem;
    vertical-align: middle;
    letter-spacing: 0.05em;
    font-weight: bold;
    display: inline-block;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    margin-left: var(--space-md);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--accent-red);
}

/* Hero Section */
.hero {
    /* Calculate height to account for Nav (approx 100px-150px) so content sits in viewport center */
    min-height: calc(100vh - 160px);
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    position: relative;
    gap: var(--space-lg);
    padding: 0 0 var(--space-lg) 0;
    border-bottom: 1px solid var(--text-color);
    /* Added Consistency */
}

/* ... (skipping intervening lines) ... */

.wall-divider {
    border-top: 1px solid var(--text-color);
    /* Changed from 2px Red to 1px Black */
    margin: var(--space-lg) 0;
    position: relative;
    padding-top: var(--space-md);
}

.wall-label {
    position: absolute;
    top: -12px;
    /* Adjusted for thinner border */
    left: 0;
    background: var(--text-color);
    /* Matches border */
    color: var(--bg-color);
    padding: 2px 10px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.hero-content {
    flex: 1;
    max-width: 600px;
    z-index: 2;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

@media (min-width: 769px) {
    .hero-actions {
        max-width: 550px;
    }

    .hero-actions .btn {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
}

.hero-status {
    color: var(--accent-red);
    margin: 1.5rem 0;
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    opacity: 0.9;
    /* Flexbox Layout */
    display: flex;
    align-items: center;
    justify-content: flex-start;
    /* Left by default */
    gap: 0.5rem;
}

.hero-status span {
    white-space: nowrap;
}

.hero-image-wrapper {
    flex: 1;
    height: 600px;
    position: relative;
    /* Ensure canvas is contained */
}

#hero-canvas {
    display: block;
    width: 100%;
    height: 100%;
}

@media (max-width: 768px) {
    .hero {
        flex-direction: column;
        justify-content: center;
        text-align: center;
        padding-bottom: 0;
        /* Remove extra bottom space */
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-status {
        justify-content: center;
        /* Center on mobile */
    }

    .hero-image-wrapper {
        width: 100%;
        height: auto;
        /* Allow height to fit content */
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-status {
        font-size: 0.75rem;
    }
}

/* Button */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--text-color);
    color: var(--bg-color);
    text-decoration: none;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: var(--transition-smooth);
    border: 1px solid var(--text-color);
}


/* Timeline Section */
.timeline {
    padding-top: var(--space-xl);
}

.wall-divider {
    border-top: 2px solid var(--accent-red);
    margin: var(--space-lg) 0;
    position: relative;
    padding-top: var(--space-md);
}

.wall-label {
    position: absolute;
    top: -14px;
    left: 0;
    background: var(--accent-red);
    color: #fff;
    padding: 2px 10px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.chapter-item {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    opacity: 0.8;
    transition: opacity 0.3s;
}

.chapter-item:hover {
    opacity: 1;
}

.chapter-year {
    font-family: var(--font-mono);
    color: var(--accent-gold);
    font-weight: bold;
}

/* Visual Map Section */
.interactive-map-container {
    width: 100%;
    max-width: 1000px;
    margin: var(--space-lg) auto;
    position: relative;
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.4);
    border: 1px solid var(--text-color);
    /* Technical Blueprint edge */
    border-radius: 4px;
}

.interactive-map {
    position: relative;
    width: 100%;
    padding-bottom: 60%;
    /* Aspect Ratio */
}

.interactive-map svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.map-path {
    fill: none;
    stroke: rgba(0, 0, 0, 0.1);
    stroke-width: 2;
    transition: all 0.4s ease;
}

.map-path.dashed {
    stroke-dasharray: 5, 5;
}

.map-path.highlight-conn {
    stroke: var(--accent-red);
    stroke-width: 3;
    opacity: 0.6;
}

/* Interaction States */
.interactive-map.interacting .map-path {
    opacity: 0.1;
}

.interactive-map.interacting .map-path.active {
    opacity: 1;
    stroke: var(--text-color);
    stroke-width: 3;
}

.map-node {
    position: absolute;
    transform: translate(-50%, -50%);
    background: var(--bg-color);
    padding: 0.5rem 1rem;
    border: 1px solid var(--text-color);
    border-radius: 4px;
    /* Slightly rounded technical look */
    font-family: var(--font-mono);
    font-size: 0.8rem;
    cursor: pointer;
    z-index: 2;
    transition: all 0.3s ease;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.map-node:hover,
.map-node.active {
    background: var(--text-color);
    color: var(--bg-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-color: var(--text-color);
    z-index: 10;
}

.map-node.foundation {
    background: #e0e0e0;
    font-weight: bold;
    width: 200px;
}

.map-node.pillar {
    border: none;
    background: transparent;
    box-shadow: none;
    font-family: var(--font-heading);
    font-size: 1rem;
}

.map-node.pillar div {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: var(--accent-blue);
    margin-bottom: 0.2rem;
    text-transform: uppercase;
}

.map-node.pillar:hover,
.map-node.pillar.active {
    background: transparent;
    color: var(--accent-red);
    transform: translate(-50%, -55%);
}

.map-node.unification {
    font-size: 1rem;
    font-weight: bold;
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

.map-node.key-tech {
    border-color: var(--accent-red);
    color: var(--accent-red);
}

.map-node.model {
    background: #fff;
    font-weight: bold;
    width: 240px;
    border: 2px solid var(--accent-gold);
    color: #444;
}

.mobile-hint,
.mobile-pillar-controls,
.semantic-label,
.history-toggle {
    display: none;
}

@media (max-width: 768px) {
    .desktop-hint {
        display: none;
    }

    .mobile-hint,
    .mobile-pillar-controls,
    .semantic-label,
    .history-toggle {
        display: block;
    }

    /* 1. Layout & Reset */
    /* 1. Layout & Spine */
    .interactive-map-container {
        display: block;
        width: 100%;
        border: 1px solid rgba(0, 0, 0, 0.1);
        padding: 2rem 1rem;
        background: rgba(255, 255, 255, 0.4);
        overflow: visible;
    }

    .interactive-map {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 1rem;
        width: 100%;
        min-width: unset;
        height: auto !important;
        min-height: 0 !important;
        /* SAFETY: Prevent aspect ratio height */
        padding-bottom: 0 !important;
        /* SAFETY: Override desktop padding-bottom */
        transform: none !important;
        margin: 0;
        padding: 0;
        position: relative;
    }

    /* Narrative Spine: Dashed Line */
    .interactive-map::before {
        content: '';
        position: absolute;
        top: 1rem;
        /* Start high enough to be behind LLM box, ensuring visual connection */
        bottom: 2.5rem;
        /* Slightly extended to touch Biological Inspiration */
        left: 50%;
        width: 2px;
        background-image: linear-gradient(to bottom, #ccc 50%, transparent 50%);
        background-size: 1px 12px;
        background-repeat: repeat-y;
        z-index: -1;
        transform: translateX(-1px);
    }

    .label-pillar-start {
        display: none !important;
    }

    /* Hide 2D Artifacts (SVG) */
    .interactive-map svg {
        display: none !important;
    }

    /* Concept Labels (Blue Text Arrows - Below Pillar) */
    .map-label-concept {
        display: block !important;
        position: relative !important;
        transform: none !important;
        left: auto !important;
        top: auto !important;
        font-family: var(--font-mono);
        font-size: 0.6rem;
        color: var(--accent-blue);
        text-transform: uppercase;
        letter-spacing: 1px;
        margin: 0.5rem 0;
        text-align: center;
        z-index: 5;
        background: rgba(255, 255, 255, 0.8);
        padding: 0 0.5rem;
    }

    .concept-tokens {
        display: none !important;
    }

    .concept-tokens {
        order: 1;
        margin: 0;
    }

    /* Dynamic Concepts (Space/Time/Complexity) - Order 8 (Below Pillar:7) */
    .concept-space,
    .concept-time,
    .concept-complexity {
        order: 8;
        margin-top: 0.5rem;
        display: none !important;
    }

    /* Concept Visibility via Parent Attribute */
    .interactive-map[data-active-pillar="seeing"] .concept-space {
        display: block !important;
    }

    .interactive-map[data-active-pillar="reading"] .concept-time {
        display: block !important;
    }

    .interactive-map[data-active-pillar="doing"] .concept-complexity {
        display: block !important;
    }

    /* Map Labels (The Walls) - Styled as Barriers */
    /* Map Labels (The Walls) - Styled as Barriers - Order 6 (Above Pillar:7) */
    .map-label {
        font-family: var(--font-mono);
        font-size: 0.6rem;
        color: var(--accent-red);
        background: transparent;
        padding: 0;
        border-radius: 0;
        text-transform: uppercase;
        letter-spacing: 1px;
        box-shadow: none;
        z-index: 2;
        position: relative !important;
        transform: none !important;
        top: auto !important;
        left: auto !important;
        margin: 0.5rem 0;
        width: auto;
        opacity: 1 !important;
        order: 20;
    }

    .map-label::after {
        content: ' ↑';
    }

    /* Hide Duplicate Red Fragmentation Wall */
    .wall-fragmentation {
        display: none !important;
    }

    /* Between Unification and Pillars */

    /* Dynamic Wall (Below Unification, Above Pillars) - Scale/Sequence/Dimensions - Order 6 */
    .wall-scale,
    .wall-sequence,
    .wall-dimensions {
        order: 6;
        margin-bottom: 0 !important;
        display: none !important;
    }

    .interactive-map[data-active-pillar="seeing"] .wall-scale {
        display: block !important;
    }

    .interactive-map[data-active-pillar="reading"] .wall-sequence {
        display: block !important;
    }

    .interactive-map[data-active-pillar="doing"] .wall-dimensions {
        display: block !important;
    }

    /* History Stack Order (Interleaved) - High Specificity Force */
    .interactive-map #node-dbn {
        order: 13 !important;
        margin: 0 !important;
        opacity: 0.8;
        display: block !important;
    }

    .interactive-map .wall-linearity {
        order: 14 !important;
        display: block !important;
    }

    .interactive-map #node-perc {
        order: 15 !important;
        margin: 0 !important;
        opacity: 0.8;
        display: block !important;
    }

    .interactive-map .wall-rigidity {
        order: 16 !important;
        display: block !important;
    }

    .interactive-map #node-tlu {
        order: 17 !important;
        margin: 0 !important;
        opacity: 0.8;
        display: block !important;
    }

    .interactive-map .wall-abstraction {
        order: 18 !important;
        display: block !important;
    }

    .interactive-map #node-foundation {
        order: 19 !important;
        margin: 0 !important;
        opacity: 0.7;
        display: block !important;
    }

    /* Hide specific node walls that aren't used in this simplified view if any */
    .wall-amnesia {
        display: none !important;
    }

    /* Hide Desktop-Specific Nodes in Mobile Flow to prevent phantom spacing */
    .interactive-map .map-node.arch,
    .interactive-map .map-node.pillar,
    .interactive-map .map-node.key-tech {
        display: none;
    }

    /* 2. Controls Styling */
    .mobile-pillar-controls {
        order: 5;
        /* After Unification */
        display: flex;
        gap: 0.5rem;
        margin: 1.5rem 0;
        background: #f0f0f0;
        padding: 0.25rem;
        border-radius: 2rem;
        z-index: 5;
    }

    .pillar-tab {
        border: none;
        background: transparent;
        padding: 0.5rem 1rem;
        font-family: var(--font-mono);
        font-size: 0.8rem;
        border-radius: 1.5rem;
        cursor: pointer;
        opacity: 0.6;
        transition: all 0.2s;
    }

    .pillar-tab.active {
        background: #fff;
        opacity: 1;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        color: var(--accent-red);
        font-weight: bold;
    }

    .history-toggle {
        display: none !important;
    }

    /* 3. Semantic Labels */
    .semantic-label {
        font-family: var(--font-mono);
        font-size: 0.6rem;
        color: var(--accent-blue);
        text-transform: uppercase;
        letter-spacing: 1px;
        margin: 0.5rem 0;
        text-align: center;
    }

    .label-tokens {
        order: 1;
    }

    .label-fragmentation {
        order: 3;
        color: var(--accent-red);
    }

    /* Removed label-pillar-start as it is replaced by dynamic blue labels */


    /* 4. Node Ordering & Standardization */
    .map-node {
        position: relative !important;
        left: auto !important;
        top: auto !important;
        transform: none !important;
        width: 100% !important;
        max-width: 320px;
        margin: 0 !important;
        text-align: center;
    }

    /* The Summit */
    #node-llm {
        order: 0;
    }

    #node-uni {
        order: 2;
    }

    /* The Threads */
    /* Seeing Pillar */
    [data-active-pillar="seeing"] #node-seeing {
        display: block;
        order: 7;
        background: #fff;
        border: 1px dashed #666;
        margin-top: 1rem !important;
    }

    [data-active-pillar="seeing"] #node-cnn {
        display: block;
        order: 8;
    }

    [data-active-pillar="seeing"] #node-lon {
        display: block;
        order: 9;
    }


    /* Reading Pillar */
    [data-active-pillar="reading"] #node-reading {
        display: block;
        order: 7;
        background: #fff;
        border: 1px dashed var(--accent-blue);
        margin-top: 1rem !important;
    }

    [data-active-pillar="reading"] #node-trans {
        display: block;
        order: 8;
    }

    [data-active-pillar="reading"] #node-lstm {
        display: block;
        order: 9;
    }

    [data-active-pillar="reading"] #node-rnn {
        display: block;
        order: 10;
    }

    [data-active-pillar="reading"]~.label-pillar-start .label-text-reading {
        display: block;
    }

    /* Doing Pillar */
    [data-active-pillar="doing"] #node-doing {
        display: block;
        order: 7;
        background: #fff;
        border: 1px dashed var(--accent-red);
        margin-top: 1rem !important;
    }

    [data-active-pillar="doing"] #node-deeprl {
        display: block;
        order: 8;
    }

    [data-active-pillar="doing"] #node-q {
        display: block;
        order: 9;
    }

    [data-active-pillar="doing"]~.label-pillar-start .label-text-doing {
        display: block;
    }

    /* Hide Inactive Nodes */
    #node-seeing,
    #node-cnn,
    #node-lon,
    #node-reading,
    #node-trans,
    #node-lstm,
    #node-rnn,
    #node-doing,
    #node-deeprl,
    #node-q {
        display: none;
    }

    /* The Roots (History) - Always Visible */
    #node-dbn {
        display: block;
        order: 21;
        margin-top: 2rem !important;
        opacity: 0.8;
    }

    #node-perc {
        display: block;
        order: 22;
        opacity: 0.8;
    }

    #node-tlu {
        display: block;
        order: 23;
        opacity: 0.8;
    }

    #node-foundation {
        display: block;
        order: 24;
        opacity: 0.7;
    }
}

/* Map Labels (Walls) */
.map-label {
    position: absolute;
    transform: translate(-50%, -50%);
    background: transparent;
    padding: 0;
    font-family: var(--font-mono);
    font-size: 0.5rem;
    color: var(--accent-red);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    pointer-events: none;
    z-index: 5;
    opacity: 0.8;
    white-space: nowrap;
    text-shadow:
        -1px -1px 0 #fff,
        1px -1px 0 #fff,
        -1px 1px 0 #fff,
        1px 1px 0 #fff;
}

/* Map Concept Labels (Space, Time, etc.) */
.map-label-concept {
    position: absolute;
    transform: translate(-50%, -50%);
    background: transparent;
    padding: 0;
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: var(--accent-blue);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    pointer-events: none;
    z-index: 5;
    opacity: 0.9;
    white-space: nowrap;
    text-shadow:
        -1px -1px 0 #fff,
        1px -1px 0 #fff,
        -1px 1px 0 #fff,
        1px 1px 0 #fff;
}

/* Archetypes Section */
.archetypes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

/* Author Section */
.author-container {
    display: flex;
    gap: 4rem;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
    flex-wrap: wrap;
    justify-content: center;
}

.author-image-wrapper img {
    width: 300px;
    height: auto;
    border-radius: 4px;
    filter: grayscale(100%) contrast(1.1);
    border: 1px solid var(--text-color);
}

@media (max-width: 768px) {
    .author-container {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
}

/* Social Links */
.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-color);
    transition: all 0.3s ease;
    opacity: 0.7;
}

.social-link:hover {
    color: var(--accent-red);
    opacity: 1;
    transform: translateY(-2px);
}

.social-link svg {
    width: 24px;
    height: 24px;
}

.archetype-card {
    border: 1px solid var(--text-color);
    padding: var(--space-md);
    background: #fff;
    transition: var(--transition-smooth);
}

.archetype-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border-color: var(--accent-gold);
}

.archetype-role {
    color: var(--accent-red);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
    display: block;
}

/* The Core: Key Takeaways */
.core-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: -3rem;
    /* Overlap nicely with Hero whitespace */
    position: relative;
    z-index: 5;
}

.core-card {
    background: var(--bg-color);
    padding: 2rem;
    border-top: 2px solid var(--text-color);
    transition: transform 0.3s ease;
}

.core-card:hover {
    transform: translateY(-5px);
}

.core-number {
    font-family: var(--font-mono);
    color: var(--accent-red);
    font-size: 1.2rem;
    margin-bottom: 1rem;
    opacity: 0.8;
}

.core-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-family: var(--font-heading);
}

.core-card p {
    font-size: 0.95rem;
    line-height: 1.5;
    opacity: 0.8;
}



/* Chapter Preview Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.modal-content {
    background: #fffdf5;
    /* Warmer paper tone */
    width: 90%;
    max-width: 700px;
    max-height: 85vh;
    padding: 4rem;
    overflow-y: auto;
    position: relative;
    border-radius: 2px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    transform: translateY(20px);
    transition: transform 0.4s ease;
    border: 1px solid var(--text-color);
}

.modal-overlay.active .modal-content {
    transform: translateY(0);
}

.close-btn {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 2rem;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-color);
    opacity: 0.5;
    transition: opacity 0.2s;
}

.close-btn:hover {
    opacity: 1;
}

.modal-header {
    text-align: center;
    margin-bottom: 3rem;
    border-bottom: 1px solid var(--text-color);
    padding-bottom: 2rem;
}

.modal-body {
    font-family: 'EB Garamond', serif;
    font-size: 1.2rem;
    line-height: 1.8;
    color: #2a2a2a;
}

.modal-body p {
    margin-bottom: 1.5rem;
}

.drop-cap {
    float: left;
    font-size: 4rem;
    line-height: 0.8;
    margin-right: 0.5rem;
    margin-top: 0.2rem;
    font-family: var(--font-heading);
    font-weight: bold;
}

/* Secondary Button Hover */
.btn-secondary:hover {
    background: var(--text-color) !important;
    color: var(--bg-color) !important;
}

@media (max-width: 768px) {
    .modal-content {
        padding: 2rem;
        width: 95%;
    }

    .mobile-break {
        display: inline;
    }
}

.mobile-break {
    display: none;
}

@media (max-width: 900px) {
    .manifesto-lead {
        font-size: 1.2rem;
    }
}

/* Map Split Layout */
.map-split-layout {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 4rem;
    max-width: 1300px;
    margin: 4rem auto 0;
    align-items: start;
}

@media (max-width: 1100px) {
    .map-split-layout {
        grid-template-columns: 1fr;
    }
}

/* Vertical Core Tiles (for Map Layout) */
.core-grid-vertical {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.core-grid-vertical .core-card {
    background-color: var(--bg-color);
    border: 1px solid var(--text-color);
    padding: 2rem;
    position: relative;
    /* Removed large min-height to fit vertical layout better */
}

/* Ensure map container fits well */
.interactive-map-container {
    width: 100%;
}

.map-right .interactive-map-container {
    margin-top: 0;
    padding-top: 0;
    /* Align content flush top */
    background: transparent;
    /* Remove background to blend */
    border: none;
    /* Remove border to blend */
}

/* Manifesto Section */
.manifesto-section {
    background-color: var(--bg-color);
    padding: 6rem 2rem 3rem 2rem;
    position: relative;
    border-bottom: 1px solid var(--text-color);
    /* Removed text-align: center; per user request */
}

.manifesto-split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
    align-items: start;
}

/* Global Table of Contents Formatting (Premise Style) */
#visual-map .mono,
#timeline .mono,
#archetypes .mono {
    font-size: 1.2rem;
    color: var(--text-color);
    border-bottom: 2px solid var(--text-color);
    display: inline-block;
    padding-bottom: 0.5rem;
    margin-bottom: 2rem;
    opacity: 1;
}

@media (max-width: 900px) {
    .manifesto-split-layout {
        grid-template-columns: 1fr;
    }

    .manifesto-left {
        text-align: center;
    }

    .manifesto-grid {
        text-align: left;
    }
}

.manifesto-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 4rem;
    margin-top: 3rem;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.manifesto-column h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--text-color);
    padding-bottom: 1rem;
    display: inline-block;
}

.manifesto-column ul {
    list-style: none;
    padding: 0;
}

.manifesto-column li {
    font-family: var(--font-body);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    padding-left: 2rem;
    position: relative;
    opacity: 0.9;
}

.manifesto-column.is li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-blue);
    font-weight: bold;
}

.manifesto-column.is-not li::before {
    content: "×";
    position: absolute;
    left: 0;
    color: var(--accent-red);
    font-weight: bold;
}

.manifesto-lead {
    font-size: 1.35rem;
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto 3rem auto;
    text-align: left;
    font-family: var(--font-heading);
    color: var(--text-color);
}

/* Map Narrative Column */
.map-narrative {
    padding-right: var(--space-lg);
    font-family: var(--font-body);
}

.map-narrative h4 {
    font-family: var(--font-mono);
    color: var(--accent-red);
    margin-top: var(--space-lg);
    margin-bottom: var(--space-xs);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    border-bottom: 1px solid var(--text-color);
    padding-bottom: 0.5rem;
    display: inline-block;
}

.map-narrative h4:first-child {
    margin-top: 0;
}

.map-narrative p {
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: var(--space-md);
    color: var(--text-color);
    opacity: 0.9;
    font-family: var(--font-body);
    /* Ensure readable serif/sans */
}

.map-narrative ul {
    list-style: none;
    padding: 0;
    margin-top: var(--space-sm);
}

.map-narrative li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: var(--space-sm);
    font-size: 1rem;
    line-height: 1.5;
}

.map-narrative li strong {
    color: var(--accent-red);
}

.map-narrative li::before {
    content: "►";
    position: absolute;
    left: 0;
    color: var(--accent-blue);
    font-size: 0.7rem;
    top: 0.4em;
}

/* Map Tiles Row (Bottom) */
.map-tiles-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
    margin: var(--space-lg) auto 0;
    /* Reduced margin (was xl) */
    padding-top: 0;
    /* Reduced padding */
    border-top: none !important;
    /* Force removal */
    max-width: 1300px;
    /* Match Map Layout Width */
}

.map-tiles-row .core-card {
    /* Standard Core Card Style (Top Border Only) */
    background: var(--bg-color);
    /* Match page bg */
    padding: 2rem;
    border: none;
    border-top: 2px solid var(--text-color);
    /* Signature Top Border */
    box-shadow: none;
    height: 100%;
}

.map-tiles-row .core-number {
    font-family: var(--font-mono);
    color: var(--accent-red);
    font-size: 1rem;
    margin-bottom: 0.8rem;
    opacity: 1;
}

.map-tiles-row h3 {
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
    font-family: var(--font-heading);
    color: var(--text-color);
}

.map-tiles-row p {
    font-size: 0.9rem;
    line-height: 1.5;
    opacity: 0.8;
    color: var(--text-color);
}

/* Technical Dispatches (Substack) */
.author-dispatches {
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 1px solid var(--text-color);
}

.dispatch-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.dispatch-card {
    background: transparent;
    padding: 2rem;
    border: 1px solid var(--text-color);
    position: relative;
    transition: transform 0.3s ease, background-color 0.3s ease;
    text-decoration: none;
    color: var(--text-color);
    display: flex;
    flex-direction: column;
}

.dispatch-card:hover {
    background-color: #f0f0f0;
    transform: translateY(-5px);
}

.dispatch-tag {
    font-family: var(--font-mono);
    color: var(--accent-red);
    font-size: 0.75rem;
    text-transform: uppercase;
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
}

.dispatch-card h4 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.dispatch-card p {
    font-size: 0.95rem;
    line-height: 1.5;
    opacity: 0.8;
}

@media (max-width: 900px) {
    .dispatch-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 1100px) {
    .map-tiles-row {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .map-tiles-row {
        grid-template-columns: 1fr;
        gap: 1rem;
        /* Tighter gap */
    }

    .map-tiles-row .core-card {
        padding: 1.5rem 1rem;
        /* Tighter padding */
    }
}


/* Mobile Navigation Polish */
@media (max-width: 768px) {
    .nav {
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
        padding-top: 1rem;
    }

    /* Center Author Social Links on Mobile */
    .author-links {
        justify-content: center !important;
    }

    .nav>.mono {
        font-size: 1rem;
        line-height: 1.4;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
        width: 100%;
        text-align: center;
    }

    .nav-chip {
        margin-left: 0;
        align-self: center;
    }

    .nav-links {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 0.5rem;
        width: 100%;
        border-top: 1px solid rgba(0, 0, 0, 0.1);
        padding-top: 1rem;
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .nav-links::-webkit-scrollbar {
        display: none;
    }

    .nav-links a {
        margin-left: 0;
        font-size: 0.65rem;
        text-align: center;
        white-space: nowrap;
    }
}