:root {
    /* Forensic Civic Intelligence Palette - Dark Mode Default */
    --bg-primary: #0A0A08;
    --bg-surface: #141412;
    --bg-surface-high: #1A1A17;
    --bg-accent: #2A2A27;
    
    --text-primary: #E5E5E0;
    --text-secondary: #8F8F8A;
    --text-muted: #5A5A55;
    
    --accent-red: #8B2B2B;
    --accent-red-glow: rgba(139, 43, 43, 0.2);
    --accent-green: #4A5D4E;
    --accent-graphite: #3A3A38;
    --accent-white: #FFFFFF;
    --border-color: var(--accent-graphite);

    /* Spacing Scale */
    --space-4: 4px;
    --space-8: 8px;
    --space-12: 12px;
    --space-16: 16px;
    --space-20: 20px;
    --space-24: 24px;
    --space-32: 32px;
    --space-40: 40px;
    --space-48: 48px;
    --space-64: 64px;
    --space-96: 96px;

    /* Typography */
    --font-display: 'Syne', sans-serif;
    --font-mono: 'DM Mono', monospace;
    
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --container-max: 1200px;
    --container-pad: clamp(24px, 6vw, 80px);
    --section-y: clamp(80px, 12vw, 160px);
}

/* Light Mode Overrides */
[data-theme="light"] {
    --bg-primary: #F5F5F0;
    --bg-surface: #FFFFFF;
    --bg-surface-high: #EBEBE6;
    --bg-accent: #E0E0DB;
    
    --text-primary: #1A1A17;
    --text-secondary: #4A4A45;
    --text-muted: #80807B;
    
    --accent-red: #A83232;
    --accent-red-glow: rgba(168, 50, 50, 0.1);
    --accent-graphite: #D1D1CB;
    --accent-white: #0A0A08;
    --border-color: #D1D1CB;
}

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

html {
    scroll-behavior: smooth;
    background-color: var(--bg-primary);
    scroll-padding-top: 100px;
}

body {
    font-family: var(--font-mono);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.8;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    transition: background-color 0.5s ease, color 0.5s ease;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-pad);
}

.section-padding {
    padding: var(--section-y) 0;
}

.grid-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(var(--accent-graphite) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.1;
    pointer-events: none;
    z-index: 1000;
}

/* Logo Styles */
.logo-container {
    display: flex;
    align-items: center;
    gap: var(--space-12);
}

.jm-logo {
    width: 36px;
    height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.jm-logo svg {
    width: 100%;
    height: auto;
}

.jm-logo:hover {
    color: var(--accent-red);
}

/* Theme Toggle */
.theme-toggle {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    cursor: pointer;
    padding: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
    margin-left: var(--space-24);
}

.theme-toggle:hover {
    border-color: var(--accent-red);
    color: var(--accent-red);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
}

.scanline {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        transparent 50%,
        rgba(0, 0, 0, 0.1) 50%
    );
    background-size: 100% 4px;
    z-index: 1001;
    pointer-events: none;
    opacity: 0.1;
}

h1, h2, h3, h4, .hero-title, .section-title {
    font-family: var(--font-display);
    text-transform: uppercase;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--accent-white);
    margin-bottom: var(--space-24);
}

.mono, .eyebrow, .font-data, .nav-links a {
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.accent-text {
    color: var(--accent-red) !important;
}
/* Typography Utility */
h1 {
    font-size: clamp(2.5rem, 8vw, 6rem);
    line-height: 1.1;
    margin-bottom: var(--space-32);
}

h2, h3, h4 {
    line-height: 1.2;
    margin-bottom: var(--space-20);
}

p, li {
    font-family: var(--font-mono);
    font-weight: 300;
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: var(--space-24);
}

.eyebrow {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    margin-bottom: var(--space-16);
    text-transform: uppercase;
    color: var(--text-muted);
}

/* High-Density Components */
.diagnostic-card {
    background: var(--bg-surface);
    border: 1px solid var(--accent-graphite);
    padding: var(--space-32);
    position: relative;
    transition: var(--transition-smooth);
    margin-bottom: var(--space-24);
}

.diagnostic-card::before {
    content: "";
    position: absolute;
    top: 0; left: 0; width: 4px; height: 100%;
    background: var(--accent-graphite);
    opacity: 0.3;
    transition: var(--transition-smooth);
}

.diagnostic-card:hover {
    border-color: var(--text-muted);
    background: var(--bg-surface-high);
}

.diagnostic-card:hover::before {
    background: var(--accent-red);
    opacity: 1;
}

.card-header {
    border-bottom: 1px solid var(--accent-graphite);
    margin-bottom: var(--space-24);
    padding-bottom: var(--space-16);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.status-badge {
    font-family: var(--font-mono);
    font-size: 10px;
    padding: 4px 12px;
    border: 1px solid var(--accent-graphite);
    color: var(--text-muted);
    text-transform: uppercase;
}

/* Navigation - Procedural Glass */
.glass-nav {
    position: fixed;
    top: 32px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - var(--container-pad) * 2);
    max-width: calc(var(--container-max) - var(--container-pad) * 2);
    background: rgba(var(--bg-primary-rgb), 0.85);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    z-index: 1100;
    padding: var(--space-12) var(--space-24);
    transition: var(--transition-smooth);
}

:root {
    --bg-primary-rgb: 10, 10, 8;
}

[data-theme="light"] {
    --bg-primary-rgb: 245, 245, 240;
}

.glass-nav.is-condensed {
    top: 16px;
    padding: var(--space-8) var(--space-24);
    background: rgba(var(--bg-primary-rgb), 0.98);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.3rem;
    text-decoration: none;
    color: var(--text-primary);
    letter-spacing: 0.1em;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--space-32);
    margin: 0 var(--space-32);
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.8rem;
    transition: var(--transition-smooth);
    font-weight: 400;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-24) var(--space-64);
    font-family: var(--font-mono);
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    text-decoration: none;
    transition: var(--transition-smooth);
    cursor: pointer;
    border-radius: 0;
    font-weight: 600;
}

.btn-primary {
    background-color: var(--accent-red);
    color: white;
    border: 1px solid var(--accent-red);
}

.btn-primary:hover {
    background-color: var(--text-primary);
    color: var(--bg-primary);
    border-color: var(--text-primary);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--accent-graphite);
}

.btn-secondary:hover {
    border-color: var(--accent-red);
    color: var(--accent-red);
}

.btn-outline {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--accent-graphite);
}

.btn-outline:hover {
    border-color: var(--accent-red);
    color: var(--accent-red);
}

.btn-sm {
    padding: var(--space-16) var(--space-32);
    font-size: 0.9rem;
}

/* Hero Section */
.hero {
    padding-top: clamp(160px, 25vw, 240px);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-content {
    display: block;
    max-width: 900px;
}

.hero-title {
    max-width: 22ch;
}

.hero-subtitle {
    font-family: var(--font-mono);
    font-size: clamp(1.1rem, 1.4vw, 1.4rem);
    color: var(--text-secondary);
    max-width: 700px;
    margin-bottom: var(--space-64);
    line-height: 1.7;
}

.hero-metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-24);
    margin-bottom: var(--space-64);
}

.hero-metric-card .font-data {
    font-size: clamp(28px, 5vw, 36px) !important;
    line-height: 1.2;
    overflow-wrap: anywhere;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-20);
}

/* Sections Common */
.section-header {
    margin-bottom: var(--space-96);
    max-width: 900px;
}

.section-description {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Concept Cards */
.concept-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-32);
}

.concept-card {
    background: var(--bg-surface);
    border: 1px solid var(--accent-graphite);
    padding: var(--space-40);
    position: relative;
    transition: var(--transition-smooth);
}

.concept-card::before {
    content: "";
    position: absolute;
    top: 0; left: 0; width: 4px; height: 100%;
    background: var(--accent-graphite);
    opacity: 0.3;
}

.concept-card:hover::before {
    background: var(--accent-red);
    opacity: 1;
}

.concept-title {
    font-size: 1.4rem;
    color: var(--accent-white);
    margin-bottom: var(--space-16);
}

/* Study Grid */
.study-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-64);
}

.study-card {
    background: var(--bg-surface);
    border: 1px solid var(--accent-graphite);
    padding: var(--space-64);
    transition: var(--transition-smooth);
}

.study-card:hover {
    border-color: var(--accent-red);
}

.study-title {
    font-size: 2.2rem;
    margin-bottom: var(--space-16);
}

.study-desc {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: var(--space-32);
    max-width: 800px;
}

.study-stats {
    display: flex;
    gap: var(--space-64);
    margin: var(--space-40) 0;
    padding: var(--space-24) 0;
    border-top: 1px solid var(--accent-graphite);
}

.stat-value {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--accent-red);
    font-weight: 800;
}

.stat-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.15em;
}

.study-lens {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-16);
}

.study-lens span {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    padding: 6px 16px;
    border: 1px solid var(--accent-graphite);
    color: var(--text-muted);
    text-transform: uppercase;
}

/* Artifacts */
.artifact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-20);
    margin-bottom: var(--space-64);
}

.artifact-card {
    background: var(--bg-surface);
    border: 1px solid var(--accent-graphite);
    padding: var(--space-32);
    text-align: left;
}

.artifact-title {
    font-size: 1.1rem;
    color: var(--accent-white);
    margin-bottom: var(--space-12);
}

/* Artifact Chips */
.artifact-chips {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-12);
}

.artifact-chips span {
    font-size: 0.75rem;
    padding: 6px 16px;
    border: 1px solid var(--accent-graphite);
    color: var(--text-muted);
}

/* Architecture Layout */
.architecture-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-48);
}

.arch-layer {
    background: var(--bg-surface);
    border: 1px solid var(--accent-graphite);
    padding: var(--space-40);
    position: relative;
    margin-bottom: var(--space-24);
}

.arch-layer::before {
    content: attr(data-label);
    position: absolute;
    top: -12px; left: 24px;
    background: var(--bg-primary);
    padding: 0 12px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--accent-red);
    border: 1px solid var(--accent-graphite);
    z-index: 1;
}

.arch-node {
    background: var(--bg-surface-high);
    border: 1px solid var(--accent-graphite);
    padding: var(--space-16);
    margin-bottom: var(--space-12);
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.arch-mid-section {
    margin: var(--space-24) 0;
}

.arch-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-12);
}

/* Analyst Brief */
.brief-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-32);
}

.brief-card {
    background: var(--bg-surface);
    border: 1px solid var(--accent-graphite);
    padding: var(--space-48);
}

.brief-card h3 {
    color: var(--accent-red);
    font-size: 1rem;
    letter-spacing: 0.25em;
    margin-bottom: var(--space-32);
}

/* Footer & Global Overrides */
footer {
    border-top: 1px solid var(--accent-graphite);
    padding: var(--space-96) 0;
    margin-top: var(--space-160);
}

.authorship {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.authorship strong {
    color: var(--text-secondary);
    display: block;
    font-size: 1.1rem;
    font-family: var(--font-display);
    margin-bottom: 8px;
}

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

@media (max-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }
    .hero-subtitle {
        font-size: 1.1rem;
    }
    .glass-nav {
        width: calc(100% - var(--container-pad) * 2);
        padding: var(--space-8) var(--space-16);
        top: 16px;
    }

    .theme-toggle {
        margin-left: 0;
    }

    .study-card {
        padding: var(--space-32);
    }
    .study-title {
        font-size: 1.8rem;
    }
    .study-stats {
        flex-direction: column;
        gap: var(--space-24);
    }
    .btn {
        padding: var(--space-16) var(--space-32);
        font-size: 0.9rem;
        width: 100%;
    }
}

/* ... rest of existing styles for Reveal Animations and Mobile Menu ... */