/* Robinhood-inspired Design System */
:root {
    --primary-green: #00C805;
    --dark-green: #00A004;
    --light-green: #E8F5E9;
    --black: #000000;
    --dark-gray: #1C1C1C;
    --gray: #6E7175;
    --light-gray: #F4F4F4;
    --white: #FFFFFF;
    --gradient: linear-gradient(135deg, #00C805 0%, #00A004 100%);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 25px rgba(0, 0, 0, 0.15);
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--black);
    background: var(--white);
    overflow-x: hidden;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--black);
    text-decoration: none;
}

.nav-brand i {
    color: var(--primary-green);
    margin-right: 0.5rem;
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

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

.nav-link:hover {
    color: var(--black);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-green);
    transition: var(--transition);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--black);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #fafafa 0%, #ffffff 100%);
    padding-top: 10px;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-badge {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.hero-badge span {
    background: var(--light-green);
    color: var(--dark-green);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    margin-top: 2rem;
    color: var(--black);
}

.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    display: inline-block;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--gray);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background: var(--white);
    color: var(--black);
    border: 2px solid var(--light-gray);
}

.btn-secondary:hover {
    border-color: var(--primary-green);
    color: var(--primary-green);
}

.btn-outline {
    background: transparent;
    color: var(--primary-green);
    border: 2px solid var(--primary-green);
}

.btn-outline:hover {
    background: var(--primary-green);
    color: var(--white);
}

.hero-stats {
    display: flex;
    gap: 3rem;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-green);
    font-feature-settings: "kern" 1;
    -webkit-font-feature-settings: "kern" 1;
}

.stat-with-percent::after {
    content: '%';
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

.stat-label {
    color: var(--gray);
    font-size: 0.875rem;
}

/* Network Visualization */
.hero-visual {
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.network-visualization {
    position: relative;
    width: 400px;
    height: 300px;
}

.node {
    position: absolute;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--white);
    box-shadow: var(--shadow-md);
    animation: pulse 3s ease-in-out infinite;
}

.gateway {
    background: var(--gradient);
    top: 120px;
    left: 50px;
}

.mesh-node {
    background: linear-gradient(135deg, #FF6B6B, #FF5722);
    top: 50px;
    left: 170px;
}

.sensor:nth-of-type(3) {
    background: linear-gradient(135deg, #4ECDC4, #26A69A);
    top: 30px;
    right: 50px;
}

.sensor:nth-of-type(4) {
    background: linear-gradient(135deg, #45B7D1, #2196F3);
    bottom: 50px;
    right: 80px;
}

.connections {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.connection-line {
    stroke: var(--primary-green);
    stroke-width: 2;
    stroke-opacity: 0.6;
    fill: none;
    stroke-dasharray: 5,5;
    animation: flow 2s linear infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

@keyframes flow {
    0% { stroke-dashoffset: 0; }
    100% { stroke-dashoffset: -10; }
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--gray);
    font-size: 0.875rem;
    animation: bounce 2s ease-in-out infinite;
}

.hero-scroll i {
    margin-top: 0.5rem;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-10px); }
}

/* Demo Section */
.demo-section {
    padding: 5rem 2rem;
    background: var(--light-gray);
}

.demo-container {
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
}

.demo-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--black);
}

.demo-header p {
    font-size: 1.25rem;
    color: var(--gray);
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.demo-controls {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

/* Live Map Container */
.live-map-container {
    margin-top: 3rem;
    transition: var(--transition);
}

.live-map-container.expanded {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.map-frame {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    max-width: 1200px;
    width: 100%;
    transition: var(--transition);
}

.live-map-container.expanded .map-frame {
    max-width: 95vw;
    height: 90vh;
    display: flex;
    flex-direction: column;
}

.map-header {
    background: linear-gradient(135deg, var(--dark-gray), var(--black));
    color: var(--white);
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.map-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
}

.status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.status-indicator.live {
    background: #4CAF50;
    box-shadow: 0 0 10px rgba(76, 175, 80, 0.5);
}

.map-title {
    font-weight: 700;
    font-size: 1.1rem;
}

.map-legend {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.sensor-dot {
    background: #2e7d32;
    border: 2px solid var(--white);
}

.legend-line {
    width: 20px;
    height: 3px;
    border-radius: 2px;
}

.creek-line {
    background: #3388ff;
}

.sewer-line {
    background: #5a5a5a;
}

/* Embedded Map */
.embedded-map {
    position: relative;
    width: 100%;
    height: 600px;
    overflow: hidden;
}

.live-map-container.expanded .embedded-map {
    flex: 1;
    height: auto;
}

.embedded-map iframe {
    width: 100%;
    height: 100%;
    border: none;
    transition: opacity 0.5s ease;
}

.map-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
    transition: opacity 0.5s ease;
}

.embedded-map iframe:not([src=""]) + .map-overlay {
    opacity: 0;
    pointer-events: none;
}

.loading-spinner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    color: var(--gray);
}

.loading-spinner i {
    font-size: 2rem;
    color: var(--primary-green);
}

/* Map Features */
.map-features {
    padding: 1.5rem 2rem;
    background: var(--white);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.live-map-container.expanded .map-features {
    display: none;
}

.feature-highlight {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--light-gray);
    border-radius: 8px;
    transition: var(--transition);
}

.feature-highlight:hover {
    background: var(--light-green);
}

.feature-highlight i {
    font-size: 1.5rem;
    color: var(--primary-green);
    width: 24px;
    text-align: center;
}

.feature-content h4 {
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--black);
}

.feature-content p {
    font-size: 0.875rem;
    color: var(--gray);
    margin: 0;
}

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

.stat-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-card i {
    font-size: 2rem;
    color: var(--primary-green);
    width: 40px;
    text-align: center;
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-card .stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--black);
    line-height: 1;
}

.stat-card .stat-label {
    font-size: 0.875rem;
    color: var(--gray);
    margin-top: 0.25rem;
}

/* Custom Map Styles */
.interactive-map {
    width: 100%;
    height: 100%;
    border-radius: 8px;
    position: relative;
}

.map-controls {
    position: absolute;
    top: 1rem;
    left: 1rem;
    right: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    pointer-events: none;
}

.layer-controls {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    pointer-events: auto;
}

.control-item {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    background: var(--white);
    padding: 0.5rem 0.75rem;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
}

.control-item:hover {
    box-shadow: var(--shadow-md);
}

.control-item input[type="checkbox"] {
    margin: 0;
    accent-color: var(--primary-green);
}

.map-actions {
    display: flex;
    gap: 0.5rem;
    pointer-events: auto;
}

.map-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--white);
    border: none;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    color: var(--gray);
}

.map-btn:hover {
    box-shadow: var(--shadow-md);
    color: var(--primary-green);
}

/* Sensor Dashboard */
.sensor-dashboard {
    position: absolute;
    top: 1rem;
    right: -320px;
    width: 300px;
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    z-index: 1001;
    transition: var(--transition);
    max-height: calc(100% - 2rem);
    overflow: hidden;
}

.sensor-dashboard.active {
    right: 1rem;
}

.dashboard-header {
    background: var(--gradient);
    color: var(--white);
    padding: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.dashboard-header h4 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
}

.close-btn {
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

.close-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.dashboard-content {
    padding: 1rem;
    max-height: 400px;
    overflow-y: auto;
}

.loading-text {
    text-align: center;
    color: var(--gray);
    padding: 2rem 1rem;
}

.error-text {
    text-align: center;
    color: var(--gray);
    padding: 1rem;
}

.error-text i {
    color: #F44336;
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.sensor-info h5 {
    margin: 0 0 1rem 0;
    color: var(--black);
    font-weight: 600;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--light-gray);
}

.sensor-metrics {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.metric {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--light-gray);
    border-radius: 8px;
}

.metric i {
    color: var(--primary-green);
    width: 20px;
    text-align: center;
}

.metric .label {
    flex: 1;
    font-weight: 500;
    color: var(--gray);
    font-size: 0.875rem;
}

.metric .value {
    font-weight: 700;
    color: var(--black);
}

.last-reading {
    font-size: 0.875rem;
    color: var(--gray);
    text-align: center;
    padding-top: 1rem;
    border-top: 1px solid var(--light-gray);
}

.last-reading i {
    margin-right: 0.5rem;
}

/* Custom Leaflet Marker Styles */
.custom-sensor-icon {
    background: none !important;
    border: none !important;
}

.sensor-marker {
    position: relative;
    width: 20px;
    height: 20px;
}

.sensor-pulse {
    position: absolute;
    top: 0;
    left: 0;
    width: 20px;
    height: 20px;
    border: 2px solid var(--primary-green);
    border-radius: 50%;
    animation: sensor-pulse 2s ease-in-out infinite;
    opacity: 0.6;
}

.sensor-dot {
    position: absolute;
    top: 4px;
    left: 4px;
    width: 12px;
    height: 12px;
    background: var(--primary-green);
    border: 2px solid var(--white);
    border-radius: 50%;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

@keyframes sensor-pulse {
    0% {
        transform: scale(1);
        opacity: 0.6;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.3;
    }
    100% {
        transform: scale(1);
        opacity: 0.6;
    }
}

.user-location-marker {
    background: none !important;
    border: none !important;
}

.user-location {
    width: 20px;
    height: 20px;
    background: #2196F3;
    border: 3px solid var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
    animation: user-pulse 1.5s ease-in-out infinite;
}

@keyframes user-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Custom Tooltips */
.leaflet-tooltip.sensor-tooltip {
    background: var(--black);
    color: var(--white);
    border: none;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    box-shadow: var(--shadow-md);
}

.leaflet-tooltip.creek-tooltip {
    background: var(--primary-green);
    color: var(--white);
    border: none;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
}

.leaflet-tooltip.sewer-tooltip,
.leaflet-tooltip.storm-tooltip {
    background: var(--dark-gray);
    color: var(--white);
    border: none;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Leaflet Control Styling */
.leaflet-control-zoom {
    border: none !important;
    box-shadow: var(--shadow-md) !important;
}

.leaflet-control-zoom a {
    background: var(--white) !important;
    color: var(--black) !important;
    border: none !important;
    font-size: 1rem !important;
    font-weight: 600 !important;
    transition: var(--transition) !important;
}

.leaflet-control-zoom a:hover {
    background: var(--primary-green) !important;
    color: var(--white) !important;
}

/* Section Styling */
.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 5rem 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-badge {
    background: var(--light-green);
    color: var(--dark-green);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1rem;
    display: inline-block;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--black);
}

.section-header p {
    font-size: 1.25rem;
    color: var(--gray);
}

/* Hardware Section */
.hardware-section {
    background: var(--white);
}

.hardware-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.hardware-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 2px solid transparent;
    display: flex;
    flex-direction: column;
}

.hardware-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.gateway-card:hover { border-color: var(--primary-green); }
.node-card:hover { border-color: #FF6B6B; }
.transmitter-card:hover { border-color: #4ECDC4; }

.card-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: var(--white);
}

.gateway-card .card-icon { background: var(--gradient); }
.node-card .card-icon { background: linear-gradient(135deg, #FF6B6B, #FF5722); }
.transmitter-card .card-icon { background: linear-gradient(135deg, #4ECDC4, #26A69A); }

.hardware-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-align: center;
    color: var(--black);
}

.hardware-card > p {
    color: var(--gray);
    margin-bottom: 2rem;
    text-align: center;
}

.hardware-specs {
    margin-bottom: 2rem;
}

.hardware-specs h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--black);
}

.hardware-specs ul {
    list-style: none;
}

.hardware-specs li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: var(--gray);
    font-size: 0.875rem;
}

.hardware-specs i {
    color: var(--primary-green);
    width: 16px;
}

.price-tag {
    text-align: center;
    padding: 1rem;
    background: var(--light-gray);
    border-radius: 8px;
    margin-top: auto;
}

.price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-green);
    display: block;
}

.price-note {
    font-size: 0.875rem;
    color: var(--gray);
}

.hardware-links {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.hardware-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-green);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.hardware-link:hover {
    color: var(--dark-green);
}

/* Services Section */
.services-section {
    background: var(--light-gray);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--white);
    font-size: 1.5rem;
}

.service-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--black);
}

.service-card > p {
    color: var(--gray);
    margin-bottom: 1.5rem;
}

.service-card ul {
    list-style: none;
}

.service-card li {
    color: var(--gray);
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1rem;
    font-size: 0.875rem;
}

.service-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-green);
    font-weight: bold;
}

/* Technology Section */
.technology-section {
    background: var(--white);
}

.tech-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.tech-features {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.tech-feature {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.feature-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.feature-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--black);
}

.feature-content p {
    color: var(--gray);
    line-height: 1.6;
}

/* AI Network Visualization */
.tech-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.ai-network {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 400px;
}

.network-layer {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.neuron {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    animation: pulse 2s ease-in-out infinite;
}

.neuron.prediction {
    background: linear-gradient(135deg, #4CAF50, #45A049);
    animation-delay: 0.5s;
}

.tech-metrics {
    display: flex;
    gap: 2rem;
}

.metric {
    text-align: center;
}

.metric-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-green);
}

.metric-label {
    color: var(--gray);
    font-size: 0.875rem;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--dark-gray) 0%, var(--black) 100%);
    color: var(--white);
    text-align: center;
    padding: 5rem 2rem;
}

.cta-container {
    max-width: 800px;
    margin: 0 auto;
}

.cta-container h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-container p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.cta-features {
    display: flex;
    gap: 3rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
}

.cta-feature i {
    color: var(--primary-green);
}

/* Footer */
.footer {
    background: var(--dark-gray);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.footer-section h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-section h3 i {
    color: var(--primary-green);
}

.footer-section h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary-green);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1rem;
    line-height: 1.6;
}

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

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

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--primary-green);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-green);
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 2rem;
    padding-top: 1rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive Design */
@media (max-width: 768px) {
    /* Force mobile centering for hero section */
    .hero, .hero * {
        text-align: center !important;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: var(--shadow-md);
        padding: 2rem 0;
    }

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

    .nav-toggle {
        display: flex;
    }

    .hero-container {
        grid-template-columns: 1fr !important;
        text-align: center !important;
        gap: 2rem;
        padding: 1rem;
        padding-top: 3rem; /* Extra padding for mobile nav */
        width: 100% !important;
        margin: 0 auto !important;
        display: block !important;
    }
    
    .hero-content {
        width: 100% !important;
        text-align: center !important;
        margin: 0 auto !important;
        display: block !important;
    }
    
    .hero-title {
        font-size: 2.5rem;
        text-align: center;
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-description {
        text-align: center;
        margin-left: auto;
        margin-right: auto;
        max-width: 100%;
    }
    
    .hero-buttons {
        flex-wrap: wrap;
        justify-content: center;
        text-align: center;
    }
    
    .hero-stats {
        justify-content: center;
        text-align: center;
    }
    
    .hero-visual {
        display: none; /* Hide animated visual on mobile to prevent layout issues */
    }
    
    .network-visualization {
        display: none; /* Hide network animation on mobile */
    }


    .tech-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

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

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .cta-features {
        flex-direction: column;
        gap: 1rem;
    }

    /* Mobile responsiveness for embedded map */
    .embedded-map {
        height: 400px;
    }

    .map-header {
        padding: 1rem;
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }

    .map-legend {
        justify-content: center;
        flex-wrap: wrap;
        gap: 1rem;
    }

    .live-map-container.expanded {
        padding: 1rem;
    }

    .live-map-container.expanded .map-frame {
        max-width: 100vw;
        height: 95vh;
    }

    .demo-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .stat-card {
        padding: 1.5rem;
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }

    /* Mobile map controls */
    .map-controls {
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
    }

    .layer-controls {
        order: 2;
        justify-content: center;
    }

    .map-actions {
        order: 1;
        justify-content: center;
    }

    .sensor-dashboard {
        width: calc(100vw - 2rem);
        right: -100vw;
        left: 1rem;
        top: auto;
        bottom: 1rem;
        max-height: 50vh;
    }

    .sensor-dashboard.active {
        right: auto;
        left: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .hero-stats {
        flex-wrap: wrap;
        justify-content: center;
        gap: 2rem;
    }
}

/* Map and Sensors Container */
.map-and-sensors-container {
    display: flex;
    gap: 1rem;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    height: 600px;
}

/* Map Container */
.map-container-wrapper {
    flex: 1;
    position: relative;
    min-width: 0;
    border-radius: var(--border-radius) 0 0 var(--border-radius);
    overflow: hidden;
}

/* Integrated Sensor Panel - Side panel for desktop */
.integrated-sensor-panel {
    width: 350px;
    background: var(--white);
    border-left: 1px solid rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.sensor-panel-header {
    padding: 0.75rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    background: var(--white);
    flex-shrink: 0;
}

.sensor-panel-title {
    margin: 0;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--black);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.panel-toggle-btn {
    background: rgba(0, 0, 0, 0.05);
    border: none;
    padding: 0.2rem 0.5rem;
    cursor: pointer;
    border-radius: 12px;
    transition: var(--transition);
    color: var(--gray);
    font-size: 0.8rem;
}

.panel-toggle-btn:hover {
    background: rgba(0, 0, 0, 0.1);
    color: var(--black);
}

.sensor-panel-content {
    flex: 1;
    overflow-y: auto;
    padding: 0.5rem;
}

.integrated-sensor-dashboard {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* Minimized state - hide panel on desktop */
.integrated-sensor-panel.minimized {
    width: 40px;
}

.integrated-sensor-panel.minimized .sensor-panel-content {
    display: none;
}

.integrated-sensor-panel.minimized .sensor-panel-title {
    display: none;
}

.integrated-sensor-panel.minimized .panel-toggle-btn i {
    transform: rotate(180deg);
}

.sensor-card {
    background: var(--white);
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    padding: 0.6rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    cursor: pointer;
}

.sensor-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    border-color: var(--primary-green);
}

.sensor-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #f0f0f0;
}

.sensor-card-header h5 {
    margin: 0;
    color: var(--black);
    font-weight: 600;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.sensor-status {
    padding: 0.2rem 0.5rem;
    border-radius: 12px;
    font-size: 0.6rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.sensor-status.online {
    background-color: #e8f5e9;
    color: var(--primary-green);
}

.sensor-status.online i {
    color: var(--primary-green);
    animation: pulse 2s infinite;
}

.sensor-status.warning {
    background-color: #fff3cd;
    color: #856404;
}

.sensor-status.warning i {
    color: #856404;
}

.sensor-status.offline {
    background-color: #f8d7da;
    color: #721c24;
}

.sensor-status.offline i {
    color: #721c24;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

.sensor-readings {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    margin-bottom: 0.6rem;
}

.reading {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.1rem;
}

.reading i {
    color: var(--gray);
    font-size: 0.8rem;
}

.reading .label {
    font-size: 0.65rem;
    color: var(--gray);
    font-weight: 500;
}

.reading .value {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--black);
}

.last-update {
    padding-top: 0.5rem;
    border-top: 1px solid #f0f0f0;
    font-size: 0.6rem;
    color: var(--gray);
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

/* Mobile responsiveness - bottom panel for mobile */
@media (max-width: 768px) {
    .map-and-sensors-container {
        flex-direction: column;
        height: auto;
        gap: 0;
    }
    
    .map-container-wrapper {
        height: 400px;
        border-radius: var(--border-radius) var(--border-radius) 0 0;
    }
    
    #skysense-map {
        height: 100% !important;
        width: 100% !important;
        min-height: 400px;
    }
    
    .integrated-sensor-panel {
        width: 100%;
        max-height: 250px;
        border-left: none;
        border-top: 1px solid rgba(0, 0, 0, 0.1);
    }
    
    .integrated-sensor-dashboard {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 0.4rem;
        padding: 0.4rem;
    }
    
    .sensor-panel-header {
        padding: 0.5rem 1rem;
    }
    
    .sensor-panel-title {
        font-size: 0.8rem;
    }
    
    .panel-toggle-btn i {
        transform: rotate(90deg); /* Point up for mobile */
    }
    
    .integrated-sensor-panel.minimized .panel-toggle-btn i {
        transform: rotate(-90deg); /* Point down when minimized on mobile */
    }
    
    .integrated-sensor-panel.minimized {
        width: 100%;
        max-height: 50px;
    }
    
    .integrated-sensor-panel.minimized .sensor-panel-content {
        display: none;
    }
    
    /* Ensure sensor panel is visible by default on mobile */
    .integrated-sensor-panel {
        display: block !important;
        max-height: none !important;
    }
    
    .integrated-sensor-panel .sensor-panel-content {
        display: block !important;
    }
    
    .integrated-sensor-panel.minimized .sensor-panel-content {
        display: block !important; /* Override minimized state on mobile */
    }
    
    .integrated-sensor-dashboard {
        display: grid !important;
        background: var(--white) !important;
        border: 2px solid red !important; /* Debug border */
        min-height: 200px !important;
        padding: 1rem !important;
    }
    
    #live-sensor-dashboard {
        display: grid !important;
        background: var(--light-gray) !important;
        min-height: 200px !important;
        padding: 1rem !important;
    }
    
    .sensor-readings {
        grid-template-columns: 1fr;
        gap: 0.4rem;
    }
    
    .sensor-card {
        padding: 0.5rem;
        display: block !important;
        opacity: 1 !important;
        visibility: visible !important;
    }
    
    .sensor-card-header {
        display: flex !important;
    }
    
    .sensor-readings {
        display: grid !important;
    }
}