/* ==========================================
   Permafrost Thaw & Methane Time Bomb Crisis
   Dark-themed responsive CSS
   ========================================== */

/* ---- CSS Variables ---- */
:root {
    --bg-dark: #0a0e17;
    --bg-darker: #060a12;
    --bg-card: #111827;
    --bg-card-hover: #1a2332;
    --text-primary: #e8edf5;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-blue: #3b82f6;
    --accent-cyan: #06b6d4;
    --accent-orange: #ff6b35;
    --accent-red: #ef4444;
    --accent-amber: #f59e0b;
    --accent-green: #10b981;
    --accent-purple: #8b5cf6;
    --gradient-primary: linear-gradient(135deg, #ff6b35, #ef4444);
    --gradient-cold: linear-gradient(135deg, #06b6d4, #3b82f6);
    --gradient-warm: linear-gradient(135deg, #f59e0b, #ef4444);
    --border-color: rgba(255, 255, 255, 0.08);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(255, 107, 53, 0.3);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

a {
    color: var(--accent-cyan);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--accent-orange);
}

img {
    max-width: 100%;
    display: block;
}

/* ---- Navigation ---- */
.nav-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 14, 23, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.nav-container {
    max-width: 1300px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.5rem;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-logo .logo-icon {
    font-size: 1.5rem;
}

.nav-logo h2 {
    font-size: 1.3rem;
    background: var(--gradient-cold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.nav-links {
    display: flex;
    gap: 0.25rem;
}

.nav-links a {
    color: var(--text-secondary);
    padding: 0.5rem 0.9rem;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.nav-links a:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.06);
}

.nav-links a i {
    font-size: 0.8rem;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.4rem;
    cursor: pointer;
    padding: 0.5rem;
}

/* ---- Hero Section ---- */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    background: radial-gradient(ellipse at 50% 20%, #1a0a2e 0%, #0a0e17 50%, #000 100%);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(255, 107, 53, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(6, 182, 212, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.08) 0%, transparent 60%);
    z-index: 1;
}

.hero-particles {
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 1000px;
    padding: 2rem 1.5rem;
}

.crisis-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.4);
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    color: #ef4444;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    animation: badgePulse 2s ease-in-out infinite;
}

@keyframes badgePulse {
    0%, 100% { box-shadow: 0 0 20px rgba(239, 68, 68, 0.2); }
    50% { box-shadow: 0 0 40px rgba(239, 68, 68, 0.4); }
}

.pulse-icon {
    animation: iconPulse 1.5s ease-in-out infinite;
}

@keyframes iconPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

.hero-title {
    font-size: clamp(2.2rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1.2rem;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(135deg, #ff6b35, #f59e0b, #ef4444);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 2.5rem;
    line-height: 1.8;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.stat-item {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.2rem 0.8rem;
    transition: var(--transition);
}

.stat-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 107, 53, 0.3);
    transform: translateY(-3px);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent-orange);
    line-height: 1;
}

.stat-unit {
    display: block;
    font-size: 0.8rem;
    color: var(--accent-cyan);
    font-weight: 600;
    margin: 0.3rem 0;
}

.stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.8rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 20px rgba(255, 107, 53, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255, 107, 53, 0.5);
    color: #fff;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
    color: var(--text-primary);
}

.btn-sm {
    padding: 0.5rem 1.2rem;
    font-size: 0.85rem;
}

.btn-play, .btn-pause, .btn-reset {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-play:hover { background: rgba(16, 185, 129, 0.2); border-color: var(--accent-green); }
.btn-pause:hover { background: rgba(245, 158, 11, 0.2); border-color: var(--accent-amber); }
.btn-reset:hover { background: rgba(239, 68, 68, 0.2); border-color: var(--accent-red); }

.btn-simulate {
    width: 100%;
    justify-content: center;
    padding: 1rem;
    font-size: 1.05rem;
    margin-top: 0.5rem;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ---- Scroll Indicator ---- */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    z-index: 10;
    animation: fadeInUp 1s ease 1.5s both;
}

.mouse {
    width: 24px;
    height: 38px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--accent-orange);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 2s ease infinite;
}

@keyframes scrollWheel {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(12px); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateX(-50%) translateY(20px); }
    to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

.scroll-indicator span {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* ---- Sections ---- */
.section {
    padding: 5rem 1.5rem;
    max-width: 1300px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 107, 53, 0.1);
    border: 1px solid rgba(255, 107, 53, 0.25);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-orange);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 800;
    margin-bottom: 0.8rem;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 650px;
    margin: 0 auto;
}

/* ---- Feedback Loop Visual ---- */
.feedback-loop-container {
    margin-bottom: 3rem;
}

.feedback-loop-visual {
    position: relative;
    width: 100%;
    max-width: 500px;
    height: 500px;
    margin: 0 auto;
}

.loop-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--accent-orange);
}

.loop-center i {
    font-size: 2rem;
    display: block;
    margin-bottom: 0.3rem;
}

.spinning {
    animation: spin 8s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.loop-center span {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.loop-node {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    animation: nodeGlow 3s ease-in-out infinite;
}

.loop-node:hover {
    transform: scale(1.1);
}

.node-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    border: 2px solid rgba(255, 107, 53, 0.4);
    background: rgba(255, 107, 53, 0.1);
    color: var(--accent-orange);
    transition: var(--transition);
}

.loop-node:hover .node-icon {
    background: rgba(255, 107, 53, 0.25);
    border-color: var(--accent-orange);
    box-shadow: 0 0 20px rgba(255, 107, 53, 0.3);
}

.node-label {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-secondary);
    max-width: 120px;
    line-height: 1.3;
}

@keyframes nodeGlow {
    0%, 100% { filter: brightness(1); }
    50% { filter: brightness(1.2); }
}

/* Node positions (circle layout) */
.node-1 { top: 2%; left: 50%; transform: translateX(-50%); }
.node-2 { top: 25%; right: 2%; }
.node-3 { bottom: 15%; right: 8%; }
.node-4 { bottom: 15%; left: 8%; }
.node-5 { top: 25%; left: 2%; }

.loop-arrows {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

/* ---- Crisis Cards ---- */
.crisis-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.crisis-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.crisis-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-warm);
}

.crisis-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 107, 53, 0.3);
    box-shadow: var(--shadow-glow);
}

.card-icon {
    width: 55px;
    height: 55px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    background: rgba(255, 107, 53, 0.12);
    color: var(--accent-orange);
    margin-bottom: 1.2rem;
}

.crisis-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.7rem;
}

.crisis-card p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.card-stat {
    background: rgba(255, 107, 53, 0.08);
    border-radius: var(--radius-sm);
    padding: 0.8rem;
}

.stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--accent-orange);
}

.stat-desc {
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* ---- Map Section ---- */
.map-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    overflow: hidden;
}

.map-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    align-items: flex-end;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.control-group {
    flex: 1;
    min-width: 180px;
}

.control-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.control-group select,
.control-group input[type="range"] {
    width: 100%;
}

select {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.6rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    cursor: pointer;
    transition: var(--transition);
}

select:hover, select:focus {
    border-color: var(--accent-cyan);
    outline: none;
}

select option {
    background: var(--bg-card);
    color: var(--text-primary);
}

input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.1);
    outline: none;
    margin-top: 0.5rem;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent-orange);
    cursor: pointer;
    box-shadow: 0 0 10px rgba(255, 107, 53, 0.5);
    transition: var(--transition);
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 20px rgba(255, 107, 53, 0.7);
}

input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent-orange);
    cursor: pointer;
    border: none;
}

.map-buttons {
    display: flex;
    gap: 0.5rem;
}

.map-canvas-wrapper {
    position: relative;
    background: #0d1520;
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 1rem;
}

#permafrostMap {
    width: 100%;
    height: auto;
    display: block;
}

.map-legend {
    position: absolute;
    bottom: 1rem;
    right: 1rem;
    background: rgba(10, 14, 23, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.8rem 1rem;
    font-size: 0.75rem;
}

.map-legend h4 {
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.3rem;
    color: var(--text-secondary);
}

.legend-color {
    width: 14px;
    height: 14px;
    border-radius: 3px;
    display: inline-block;
    flex-shrink: 0;
}

.map-info-panel {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 1rem 1.2rem;
}

.map-info-panel h4 {
    font-size: 0.9rem;
    margin-bottom: 0.4rem;
    color: var(--accent-cyan);
}

.map-info-panel p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ---- Simulator Section ---- */
.simulator-container {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 2rem;
}

.simulator-controls {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    height: fit-content;
}

.simulator-controls .control-group {
    margin-bottom: 1.5rem;
}

.simulator-controls label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.simulator-controls label i {
    color: var(--accent-orange);
}

.control-value {
    margin-left: auto;
    color: var(--accent-cyan);
    font-weight: 700;
    font-size: 0.85rem;
}

.range-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 0.3rem;
}

.simulator-charts {
    display: grid;
    gap: 1.5rem;
}

.chart-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

.chart-container h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
}

.chart-container h3 i {
    color: var(--accent-orange);
    font-size: 0.9rem;
}

.simulator-insights {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
}

.insight-card {
    display: flex;
    gap: 1rem;
    padding: 1.2rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.insight-card.warning {
    background: rgba(239, 68, 68, 0.08);
    border-color: rgba(239, 68, 68, 0.25);
}

.insight-card.warning > i {
    color: var(--accent-red);
    font-size: 1.3rem;
    margin-top: 0.2rem;
}

.insight-card.info {
    background: rgba(6, 182, 212, 0.08);
    border-color: rgba(6, 182, 212, 0.25);
}

.insight-card.info > i {
    color: var(--accent-cyan);
    font-size: 1.3rem;
    margin-top: 0.2rem;
}

.insight-card h4 {
    font-size: 0.95rem;
    margin-bottom: 0.3rem;
}

.insight-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ---- Community Impact ---- */
.impact-timeline {
    position: relative;
    padding-left: 3rem;
    margin-bottom: 4rem;
}

.impact-timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--accent-orange), var(--accent-red), var(--accent-purple));
    border-radius: 3px;
}

.timeline-item {
    position: relative;
    margin-bottom: 2.5rem;
    opacity: 0;
    transform: translateX(-20px);
    animation: slideInLeft 0.6s ease forwards;
}

.timeline-item:nth-child(1) { animation-delay: 0.1s; }
.timeline-item:nth-child(2) { animation-delay: 0.3s; }
.timeline-item:nth-child(3) { animation-delay: 0.5s; }
.timeline-item:nth-child(4) { animation-delay: 0.7s; }

@keyframes slideInLeft {
    to { opacity: 1; transform: translateX(0); }
}

.timeline-marker {
    position: absolute;
    left: -2.35rem;
    top: 0.3rem;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent-orange);
    border: 3px solid var(--bg-dark);
    box-shadow: 0 0 10px rgba(255, 107, 53, 0.5);
    z-index: 1;
}

.timeline-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    transition: var(--transition);
}

.timeline-content:hover {
    border-color: rgba(255, 107, 53, 0.3);
    box-shadow: var(--shadow-glow);
}

.timeline-year {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent-orange);
    margin-bottom: 0.3rem;
}

.timeline-content h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.timeline-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 0.8rem;
}

.timeline-tag {
    display: inline-block;
    background: rgba(139, 92, 246, 0.15);
    color: var(--accent-purple);
    padding: 0.25rem 0.8rem;
    border-radius: 50px;
    font-size: 0.72rem;
    font-weight: 600;
}

/* ---- Community Voices ---- */
.subsection-title {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.subsection-title i {
    color: var(--accent-orange);
}

.voices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.voice-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: var(--transition);
    position: relative;
}

.voice-card::before {
    content: '"';
    position: absolute;
    top: 0.5rem;
    right: 1.2rem;
    font-size: 4rem;
    color: rgba(255, 107, 53, 0.1);
    font-family: Georgia, serif;
    line-height: 1;
}

.voice-card:hover {
    transform: translateY(-3px);
    border-color: rgba(6, 182, 212, 0.3);
}

.voice-avatar {
    font-size: 2rem;
    color: var(--accent-cyan);
    margin-bottom: 1rem;
}

.voice-card blockquote {
    font-size: 0.92rem;
    color: var(--text-secondary);
    font-style: italic;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.voice-card cite {
    font-size: 0.8rem;
    color: var(--accent-orange);
    font-style: normal;
    font-weight: 600;
}

/* ---- Infrastructure Stats ---- */
.infra-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 1.5rem;
}

.infra-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition);
}

.infra-card:hover {
    transform: translateY(-3px);
    border-color: rgba(245, 158, 11, 0.3);
}

.infra-icon {
    font-size: 1.8rem;
    color: var(--accent-amber);
    margin-bottom: 0.8rem;
}

.infra-value {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.3rem;
}

.infra-label {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.infra-bar {
    height: 6px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 3px;
    overflow: hidden;
}

.infra-fill {
    height: 100%;
    background: var(--gradient-warm);
    border-radius: 3px;
    transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---- Action Plan ---- */
.action-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.action-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.action-card:hover {
    transform: translateY(-5px);
    border-color: rgba(16, 185, 129, 0.3);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.action-number {
    position: absolute;
    top: 1rem;
    right: 1.2rem;
    font-size: 3rem;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.04);
    line-height: 1;
}

.action-icon {
    width: 55px;
    height: 55px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    background: rgba(16, 185, 129, 0.12);
    color: var(--accent-green);
    margin-bottom: 1.2rem;
}

.action-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.7rem;
}

.action-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.2rem;
}

.action-status {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.status-badge {
    padding: 0.3rem 0.8rem;
    border-radius: 50px;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-badge.active { background: rgba(16, 185, 129, 0.15); color: var(--accent-green); }
.status-badge.urgent { background: rgba(239, 68, 68, 0.15); color: var(--accent-red); }
.status-badge.planning { background: rgba(59, 130, 246, 0.15); color: var(--accent-blue); }
.status-badge.research { background: rgba(139, 92, 246, 0.15); color: var(--accent-purple); }

.status-location {
    font-size: 0.78rem;
    color: var(--text-muted);
}

.status-location i {
    color: var(--accent-orange);
    margin-right: 0.3rem;
}

/* ---- CTA Section ---- */
.cta-section {
    text-align: center;
    padding: 3rem 2rem;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.08), rgba(239, 68, 68, 0.08));
    border: 1px solid rgba(255, 107, 53, 0.2);
    border-radius: var(--radius-xl);
}

.cta-content h3 {
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 0.8rem;
}

.cta-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ---- Footer ---- */
.footer {
    background: var(--bg-darker);
    border-top: 1px solid var(--border-color);
    padding: 3rem 1.5rem 1.5rem;
    margin-top: 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    font-size: 1rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

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

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    font-size: 0.88rem;
    color: var(--text-secondary);
}

.footer-section a:hover {
    color: var(--accent-orange);
}

.footer-section p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ---- Responsive Design ---- */
@media (max-width: 1024px) {
    .simulator-container {
        grid-template-columns: 1fr;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .action-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(10, 14, 23, 0.98);
        flex-direction: column;
        padding: 1rem;
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.8rem;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .section {
        padding: 3rem 1rem;
    }
    
    .feedback-loop-visual {
        height: 380px;
        max-width: 360px;
    }
    
    .node-icon {
        width: 45px;
        height: 45px;
        font-size: 1rem;
    }
    
    .node-label {
        font-size: 0.62rem;
        max-width: 90px;
    }
    
    .map-controls {
        flex-direction: column;
    }
    
    .map-legend {
        position: relative;
        bottom: auto;
        right: auto;
        margin-top: 1rem;
    }
    
    .voices-grid {
        grid-template-columns: 1fr;
    }
    
    .infra-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .impact-timeline {
        padding-left: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        grid-template-columns: 1fr 1fr;
        gap: 0.6rem;
    }
    
    .stat-item {
        padding: 0.8rem 0.5rem;
    }
    
    .crisis-cards {
        grid-template-columns: 1fr;
    }
    
    .infra-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .feedback-loop-visual {
        height: 320px;
        max-width: 300px;
    }
}

/* ---- Utility Animations ---- */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

/* Particle animation for hero */
.hero-particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: rgba(255, 107, 53, 0.4);
    border-radius: 50%;
    pointer-events: none;
    animation: particleDrift linear infinite;
}

@keyframes particleDrift {
    0% { transform: translateY(0) translateX(0); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-100vh) translateX(50px); opacity: 0; }
}