/* ============================================================================
   CSS Variables - Sprout Theme Colors & Design Tokens
   ============================================================================ */
:root {
    /* Sprout Theme Colors */
    --color-primary: #1d3244;
    --color-primary-dark: #142331;
    --color-primary-light: #2c4861;
    --color-accent: #baae8a;
    --color-highlight: #7ac6e6;
    
    /* Earth Tones */
    --color-earth-light: #edf1f4;
    --color-earth-medium: #d6d1c0;
    --color-earth-dark: #8a8070;
    
    /* Neutral Grays */
    --color-gray-50: #fafafa;
    --color-gray-100: #f5f5f5;
    --color-gray-200: #eeeeee;
    --color-gray-300: #e0e0e0;
    --color-gray-400: #bdbdbd;
    --color-gray-500: #9e9e9e;
    --color-gray-600: #757575;
    --color-gray-700: #616161;
    --color-gray-800: #424242;
    --color-gray-900: #212121;
    
    /* Risk Zone Colors */
    --color-risk-green: #7ac6e6;
    --color-risk-yellow: #baae8a;
    --color-risk-red: #c94f4f;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 14px;
    --font-size-lg: 18px;
    --font-size-xl: 24px;
    --font-size-2xl: 32px;
    --font-size-3xl: 48px;
    --font-size-4xl: 64px;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-gray-900);
    background-color: var(--color-gray-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ============================================================================
   Navigation
   ============================================================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-base);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
}

.nav-brand h1 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
    margin: 0;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.nav-brand .logo {
    width: 48px;
    height: 48px;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-menu a {
    text-decoration: none;
    color: var(--color-gray-700);
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

.nav-menu a:hover {
    color: var(--color-highlight);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-highlight);
    transition: var(--transition-base);
}

.nav-menu a:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-gray-800);
    transition: var(--transition-base);
}

/* ============================================================================
   Hero Section
   ============================================================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 70%, var(--color-accent) 140%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.1;
    z-index: 0;
}

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

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: white;
    max-width: 900px;
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    font-weight: 300;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.4s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================================================
   Buttons
   ============================================================================ */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    transition: var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
    text-align: center;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-primary-dark);
}

.btn-primary:hover {
    background: var(--color-highlight);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: var(--color-highlight);
    border-color: var(--color-highlight);
}

.btn-secondary:hover {
    background: var(--color-highlight);
    color: var(--color-primary-dark);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--color-accent);
    border-color: var(--color-accent);
}

.btn-outline:hover {
    background: var(--color-accent);
    color: var(--color-primary-dark);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
}

/* ============================================================================
   Risk Graph Section
   ============================================================================ */
.risk-graph-section {
    padding: var(--spacing-2xl) 0;
    background: white;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-header h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
}

.section-description {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    line-height: 1.7;
}

.graph-container {
    position: relative;
    background: white;
    border-radius: 12px;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    min-height: 400px;
    overflow: hidden;
}

#risk-chart {
    position: relative;
    z-index: 2;
    max-height: 500px;
    height: 400px !important;
    width: 100% !important;
}

.risk-milestones {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin: var(--spacing-md) 0 var(--spacing-lg);
}

.milestone-card {
    background: var(--color-earth-light);
    border-radius: 12px;
    padding: var(--spacing-md);
    min-width: 180px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(29, 50, 68, 0.08);
    transition: background var(--transition-base), border-color var(--transition-base), color var(--transition-base);
}

.milestone-card.green {
    background: rgba(122, 198, 230, 0.2);
    border-color: #7ac6e6;
}

.milestone-card.yellow {
    background: rgba(186, 174, 138, 0.2);
    border-color: #baae8a;
}

.milestone-card.red {
    background: rgba(201, 79, 79, 0.18);
    border-color: #c94f4f;
}

.milestone-label {
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xs);
}

.milestone-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-primary);
}

.milestone-year {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

.risk-zones {
    position: absolute;
    top: var(--spacing-lg);
    left: var(--spacing-lg);
    right: var(--spacing-lg);
    bottom: var(--spacing-lg);
    z-index: 1;
    pointer-events: none;
}

.zone {
    position: absolute;
    left: 0;
    right: 0;
    opacity: 0.1;
    border-radius: 8px;
}

.zone-green {
    bottom: 0;
    height: 40%;
    background: var(--color-risk-green);
}

.zone-yellow {
    bottom: 40%;
    height: 30%;
    background: var(--color-risk-yellow);
}

.zone-red {
    bottom: 70%;
    height: 30%;
    background: var(--color-risk-red);
}

/* ============================================================================
   Monte Carlo Section
   ============================================================================ */
.mc-section {
    padding: var(--spacing-2xl) 0;
    background: var(--color-gray-50);
}

.mc-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.mc-header h2 {
    font-size: var(--font-size-3xl);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.eyebrow {
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-xs);
}

.mc-description {
    max-width: 640px;
    color: var(--color-gray-700);
}

.mc-stats {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    align-items: stretch;
}

.mc-stat-card {
    background: white;
    border-radius: 12px;
    padding: var(--spacing-md);
    min-width: 200px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(29, 50, 68, 0.08);
}

.mc-stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xs);
}

.mc-stat-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-primary);
}

.mc-stat-footnote {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin-top: var(--spacing-xs);
}

.mc-chart-wrapper {
    background: white;
    border-radius: 12px;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

#mc-chart {
    width: 100% !important;
    height: 360px !important;
}

/* ============================================================================
   Controls Panel
   ============================================================================ */
.controls-panel {
    background: var(--color-gray-100);
    border-radius: 12px;
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    transition: opacity var(--transition-base), max-height var(--transition-base);
}

.hidden {
    display: none !important;
}

.graph-actions {
    text-align: center;
    margin: var(--spacing-lg) 0 var(--spacing-xl) 0;
}

.toggle-controls-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: var(--font-size-base);
    font-weight: 500;
    cursor: pointer;
    transition: background var(--transition-base);
}

.toggle-controls-btn:hover {
    background: var(--color-primary-light);
}

.toggle-icon {
    font-size: 1.2em;
}

.control-group {
    margin-bottom: var(--spacing-xl);
}

.control-group:last-child {
    margin-bottom: 0;
}

.control-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--color-gray-800);
}

.label-text {
    font-size: var(--font-size-lg);
}

.label-value {
    font-size: var(--font-size-xl);
    color: var(--color-primary);
    font-weight: 700;
}

.slider {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: var(--color-earth-medium);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
    cursor: pointer;
    transition: var(--transition-base);
}

.slider:hover {
    background: var(--color-highlight);
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-highlight);
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    background: var(--color-accent);
}

.slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-highlight);
    cursor: pointer;
    border: none;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.slider::-moz-range-thumb:hover {
    transform: scale(1.1);
    background: var(--color-accent);
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

.tooltip {
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    font-style: italic;
    line-height: 1.5;
}

.scenario-selection {
    background: var(--color-gray-100);
    border-radius: 12px;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.scenario-selection h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gray-800);
    margin-bottom: var(--spacing-md);
}

.scenario-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
}

.scenario-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-weight: 600;
    border-radius: 8px;
    transition: var(--transition-base);
}

.scenario-btn.active {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.scenario-btn:not(.active) {
    background: white;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.scenario-btn:not(.active):hover {
    background: var(--color-primary-light);
    color: white;
}

.scenario-description {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    font-style: italic;
    margin: 0;
}

.event-panel {
    background: white;
    border-radius: 12px;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-lg);
}

.event-panel h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
}

.event-description {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-md);
}

.event-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-md);
}

.event-control {
    background: var(--color-gray-100);
    border-radius: 10px;
    padding: var(--spacing-md);
}

.event-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.event-checkbox {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--color-primary);
    flex-shrink: 0;
}

.event-control label {
    display: block;
    font-weight: 600;
    color: var(--color-gray-800);
    cursor: pointer;
    flex: 1;
    margin-bottom: 0;
}

.event-value {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.event-slider {
    width: 100%;
}

.event-marker-layer {
    position: absolute;
    top: var(--spacing-lg);
    left: var(--spacing-lg);
    right: var(--spacing-lg);
    bottom: var(--spacing-lg);
    pointer-events: none;
    z-index: 6;
}

.scenario-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.scenario-selection.top {
    margin-bottom: var(--spacing-md);
}

.scenario-selection.top .scenario-buttons {
    justify-content: flex-start;
    margin-bottom: var(--spacing-sm);
}

.scenario-selection.top .scenario-description {
    margin: 0;
}

.graph-detail {
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.9);
    border-radius: 10px;
    box-shadow: var(--shadow-sm);
    min-height: 64px;
}

.graph-detail .detail-title {
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: 0.35rem;
}

.graph-detail .detail-text {
    color: var(--color-gray-700);
    line-height: 1.5;
}

.event-marker {
    position: absolute;
    transform: translate(-50%, -50%);
    padding: 0.35rem 0.75rem;
    background: rgba(186, 174, 138, 0.95);
    color: var(--color-primary-dark);
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: var(--shadow-md);
    opacity: 0;
    pointer-events: none;
    transition: opacity 250ms ease, transform 250ms ease;
    z-index: 5;
    text-align: center;
    min-width: 150px;
    line-height: 1.3;
}

.event-marker.high-risk {
    transform: translate(-50%, 0);
}

.event-marker::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: calc(50% - 8px);
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-top: 8px solid rgba(186, 174, 138, 0.95);
}

.event-marker.visible {
    opacity: 1;
    transform: translate(-50%, -4px);
}

.event-marker.high-risk.visible {
    transform: translate(-50%, 6px);
}

.event-marker.high-risk::after {
    bottom: auto;
    top: -8px;
    border-top: none;
    border-bottom: 8px solid rgba(186, 174, 138, 0.95);
}

.marker-metrics {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    font-weight: 700;
    margin-bottom: 0.15rem;
}

.marker-year {
    color: var(--color-primary-dark);
}

.marker-risk {
    color: #7a4d2a;
}

.marker-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-primary-dark);
}

/* Collapse flash animation - flashes red three times */
.event-marker.collapse-flash {
    animation: collapseFlash 2s ease-in-out;
}

@keyframes collapseFlash {
    0%, 100% {
        background: rgba(186, 174, 138, 0.95);
        box-shadow: var(--shadow-md);
    }
    16.66% {
        background: rgba(201, 79, 79, 1);
        box-shadow: 0 0 20px rgba(201, 79, 79, 0.8), var(--shadow-md);
    }
    33.33% {
        background: rgba(186, 174, 138, 0.95);
        box-shadow: var(--shadow-md);
    }
    50% {
        background: rgba(201, 79, 79, 1);
        box-shadow: 0 0 20px rgba(201, 79, 79, 0.8), var(--shadow-md);
    }
    66.66% {
        background: rgba(186, 174, 138, 0.95);
        box-shadow: var(--shadow-md);
    }
    83.33% {
        background: rgba(201, 79, 79, 1);
        box-shadow: 0 0 20px rgba(201, 79, 79, 0.8), var(--shadow-md);
    }
}

.debug-panel {
    background: var(--color-gray-100);
    border-radius: 12px;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border: 2px dashed var(--color-gray-400);
}

.debug-panel h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-gray-800);
    margin-bottom: var(--spacing-md);
}

.debug-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.debug-section h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-xs);
}

.debug-section div {
    font-family: 'Courier New', monospace;
    font-size: var(--font-size-sm);
    background: white;
    padding: var(--spacing-sm);
    border-radius: 4px;
    color: var(--color-gray-800);
    line-height: 1.6;
}

.debug-section .debug-item {
    display: flex;
    justify-content: space-between;
    padding: 2px 0;
}

.debug-section .debug-label {
    font-weight: 600;
    color: var(--color-primary);
}

.debug-section .debug-value {
    color: var(--color-gray-700);
}

.btn-small {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-sm);
}

.graph-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================================================
   Pillars Section
   ============================================================================ */
.pillars-section {
    padding: var(--spacing-2xl) 0;
    background: var(--color-gray-100);
    position: relative;
}

.pillars-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--color-earth-medium), transparent);
}

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.pillar-card {
    background: white;
    border-radius: 12px;
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.pillar-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.pillar-icon {
    width: 64px;
    height: 64px;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.pillar-icon svg {
    width: 100%;
    height: 100%;
}

.pillar-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
}

.pillar-card p {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.pillar-details {
    list-style: none;
    padding-left: 0;
}

.pillar-details li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
    color: var(--color-gray-700);
}

.pillar-details li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
}

/* ============================================================================
   Mission Section
   ============================================================================ */
.mission-section {
    padding: var(--spacing-2xl) 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(122, 198, 230, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(29, 50, 68, 0.08) 0%, transparent 50%),
        linear-gradient(135deg, white 0%, rgba(122, 198, 230, 0.05) 50%, white 100%);
    position: relative;
    overflow: hidden;
}

.mission-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--color-earth-medium), transparent);
}

.mission-section::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(122, 198, 230, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
}

.mission-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-primary);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.mission-section .container {
    position: relative;
    z-index: 1;
}

.mission-section .section-header {
    position: relative;
    z-index: 1;
}

.mission-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    position: relative;
    z-index: 1;
}

.mission-card {
    background: white;
    border-radius: 12px;
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(122, 198, 230, 0.2);
}

.mission-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(to right, var(--color-highlight), var(--color-primary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.mission-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(122, 198, 230, 0.05) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.mission-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-highlight);
}

.mission-card:hover::before {
    transform: scaleX(1);
}

.mission-card:hover::after {
    opacity: 1;
}

.mission-icon {
    width: 64px;
    height: 64px;
    margin-bottom: var(--spacing-md);
    color: var(--color-highlight);
    position: relative;
    z-index: 1;
    transition: var(--transition-base);
}

.mission-card:hover .mission-icon {
    transform: scale(1.1);
    color: var(--color-primary);
}

.mission-icon svg {
    width: 100%;
    height: 100%;
}

.mission-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
    position: relative;
    z-index: 1;
}

.mission-card p {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
    font-size: var(--font-size-base);
    position: relative;
    z-index: 1;
}

.mission-list {
    list-style: none;
    padding-left: 0;
    margin: 0;
    position: relative;
    z-index: 1;
}

.mission-list li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
    color: var(--color-gray-700);
    line-height: 1.7;
}

.mission-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-highlight);
    font-weight: 700;
}

/* ============================================================================
   Strategy Section
   ============================================================================ */
.strategy-section {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--color-gray-100) 0%, rgba(186, 174, 138, 0.05) 50%, var(--color-gray-100) 100%);
    position: relative;
}

.strategy-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--color-earth-medium), transparent);
}

.strategy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.strategy-card {
    background: white;
    border-radius: 12px;
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(186, 174, 138, 0.2);
}

.strategy-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom, var(--color-accent), var(--color-primary));
    transform: scaleY(0);
    transform-origin: top;
    transition: transform var(--transition-base);
}

.strategy-card::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(186, 174, 138, 0.05) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.strategy-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-accent);
}

.strategy-card:hover::before {
    transform: scaleY(1);
}

.strategy-card:hover::after {
    opacity: 1;
}

.strategy-icon {
    width: 64px;
    height: 64px;
    margin-bottom: var(--spacing-md);
    color: var(--color-accent);
    position: relative;
    z-index: 1;
    transition: var(--transition-base);
}

.strategy-card:hover .strategy-icon {
    transform: scale(1.1);
    color: var(--color-primary);
}

.strategy-icon svg {
    width: 100%;
    height: 100%;
}

.strategy-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
    position: relative;
    z-index: 1;
}

.strategy-card p {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
    font-size: var(--font-size-base);
    position: relative;
    z-index: 1;
}

.strategy-list {
    list-style: none;
    padding-left: 0;
    margin: 0;
    position: relative;
    z-index: 1;
}

.strategy-list li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
    color: var(--color-gray-700);
    line-height: 1.7;
}

.strategy-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 700;
}

/* ============================================================================
   CTA Section
   ============================================================================ */
.cta-section {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 65%, #0f1b26 120%);
    color: white;
}

.cta-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.cta-section .btn-primary {
    background: var(--color-accent);
    color: var(--color-primary-dark);
}

.cta-section .btn-secondary {
    background: transparent;
    color: var(--color-highlight);
    border-color: var(--color-highlight);
}

.cta-section .btn-outline {
    background: transparent;
    color: var(--color-accent);
    border-color: var(--color-accent);
}

/* ============================================================================
   Footer
   ============================================================================ */
.footer {
    background: var(--color-gray-900);
    color: var(--color-gray-300);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.footer-section h3,
.footer-section h4 {
    color: white;
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-lg);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section a {
    color: var(--color-gray-400);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-gray-800);
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
}

/* ============================================================================
   Responsive Design
   ============================================================================ */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: white;
        width: 100%;
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-lg);
        transition: var(--transition-base);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-title {
        font-size: var(--font-size-2xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-lg);
    }

    .section-header h2 {
        font-size: var(--font-size-2xl);
    }

    .pillars-grid {
        grid-template-columns: 1fr;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .cta-buttons .btn {
        width: 100%;
    }

    .event-grid {
        grid-template-columns: 1fr;
    }

    .graph-container {
        padding: var(--spacing-md);
        min-height: 320px;
    }

    .risk-milestones {
        justify-content: flex-start;
    }

    .milestone-card {
        flex: 1 1 140px;
    }

    .mc-header {
        flex-direction: column;
    }

    .mc-stats {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: var(--font-size-xl);
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-cta .btn {
        width: 100%;
    }

    .graph-container {
        padding: var(--spacing-sm);
    }

    .customize-prompt {
        max-width: calc(100% - var(--spacing-md));
    }

    .customize-prompt-content {
        padding: var(--spacing-lg);
        max-width: 100%;
    }

    .customize-prompt-content h3 {
        font-size: var(--font-size-lg);
    }

    .customize-prompt-buttons {
        flex-direction: column;
    }

    .customize-prompt-buttons .btn {
        width: 100%;
    }

    .controls-panel {
        padding: var(--spacing-md);
    }

    .mission-grid,
    .strategy-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .mission-card,
    .strategy-card {
        padding: var(--spacing-lg);
    }

    #risk-chart {
        height: 320px !important;
    }

    .risk-milestones {
        flex-direction: column;
        align-items: stretch;
    }

    .mc-chart-wrapper {
        padding: var(--spacing-md);
    }

    .mc-stat-card {
        width: 100%;
    }
}

/* ============================================================================
   Accessibility
   ============================================================================ */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .zone-green,
    .zone-yellow,
    .zone-red {
        opacity: 0.3;
    }
}

/* ============================================================================
   Customize Prompt Popup
   ============================================================================ */
.customize-prompt {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    animation: fadeIn var(--transition-base);
    pointer-events: auto;
}

.customize-prompt-content {
    background: white;
    border-radius: 12px;
    padding: var(--spacing-xl);
    max-width: 400px;
    box-shadow: var(--shadow-xl);
    animation: slideUp var(--transition-base);
    position: relative;
    border: 2px solid var(--color-primary);
}

.customize-prompt-close {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: none;
    border: none;
    font-size: 24px;
    color: var(--color-gray-500);
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background var(--transition-base), color var(--transition-base);
    line-height: 1;
}

.customize-prompt-close:hover {
    background: var(--color-gray-200);
    color: var(--color-gray-800);
}

.customize-prompt-content h3 {
    margin-bottom: var(--spacing-md);
    margin-right: var(--spacing-xl);
    color: var(--color-primary);
    font-size: var(--font-size-xl);
}

.customize-prompt-content p {
    margin-bottom: var(--spacing-lg);
    color: var(--color-gray-700);
    line-height: 1.6;
    font-size: var(--font-size-base);
}

.customize-prompt-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
}

.customize-prompt-buttons .btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
    border: none;
}

.customize-prompt-buttons .btn-primary {
    background: var(--color-primary);
    color: white;
}

.customize-prompt-buttons .btn-primary:hover {
    background: var(--color-primary-light);
}

.customize-prompt-buttons .btn-secondary {
    background: var(--color-gray-200);
    color: var(--color-gray-800);
}

.customize-prompt-buttons .btn-secondary:hover {
    background: var(--color-gray-300);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}