/* System Design Variables */
:root {
    /* Colors - Minimal Palette */
    --black: #000000;
    --white: #FFFFFF;
    --gray-100: #0A0A0A;
    --gray-200: #141414;
    --gray-300: #1A1A1A;
    --gray-400: #2A2A2A;
    --gray-500: #505050;
    --gray-600: #707070;
    --gray-700: #909090;
    --gray-800: #B0B0B0;
    --gray-900: #D0D0D0;

    --green: #00D563;
    --green-dark: #00A050;
    --blue: #0066FF;

    /* Typography Scale */
    --font-primary: 'Space Grotesk', -apple-system, system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', monospace;

    /* Spacing System */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    --space-4xl: 8rem;

    /* Container */
    --container-max: 1280px;

    /* Transitions */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background: var(--black);
    color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s var(--ease-out);
}

.nav.scrolled {
    background: rgba(0, 0, 0, 0.95);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 1rem var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    color: var(--white);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.nav-logo span {
    font-family: 'Roboto', sans-serif;
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.01em;
}

.nav-logo .logo-img {
    height: 65px;
    width: auto;
    object-fit: contain;
}

.nav-logo svg {
    color: var(--green);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-link {
    color: var(--gray-700);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 500;
    transition: color 0.2s var(--ease-out);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--green);
    transition: width 0.3s var(--ease-out);
}

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

.nav-cta {
    background: var(--white);
    color: var(--black);
    padding: 0.625rem 1.5rem;
    border-radius: 4px;
    font-weight: 600;
    transition: all 0.2s var(--ease-out);
}

.nav-cta:hover {
    background: var(--green);
    transform: translateY(-1px);
}

.nav-cta::after {
    display: none;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    padding: var(--space-4xl) 0;
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: 0;
    opacity: 0.3;
}

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

.hero-content {
    position: relative;
    z-index: 1;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.hero-badge {
    margin-bottom: var(--space-lg);
}

.hero-title {
    width: 100%;
    text-align: left;
    margin-bottom: var(--space-md);
}

.hero-middle {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
    margin-bottom: var(--space-2xl);
}

.hero-text-section {
    padding-top: 0;
    margin-top: -0.5rem;
}

.hero-image-section {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image {
    width: 100%;
    max-width: 550px;
    position: relative;
    animation: floatAnimation 6s ease-in-out infinite;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    filter: drop-shadow(0 20px 40px rgba(0, 213, 99, 0.2));
    transition: transform 0.3s var(--ease-out);
    object-fit: contain;
    max-height: 450px;
}

.hero-image:hover img {
    transform: scale(1.05);
    border-color: rgba(0, 213, 99, 0.3);
    filter: drop-shadow(0 25px 50px rgba(0, 213, 99, 0.3));
}

@keyframes floatAnimation {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

.hero-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--green);
    padding: 0.375rem 0.75rem;
    border: 1px solid var(--green);
    border-radius: 4px;
    margin-bottom: var(--space-lg);
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.04em;
}

.title-line {
    display: block;
    overflow: hidden;
    margin-bottom: 0.2rem;
}

.title-line:nth-child(2) {
    margin-bottom: 0;
}

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

.hero-subtitle {
    font-size: 1.35rem;
    color: var(--gray-700);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
    max-width: 550px;
    font-weight: 400;
}

.hero-subtitle strong {
    color: var(--white);
    font-weight: 600;
}

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

/* Buttons */
.btn-primary,
.btn-secondary {
    padding: 1rem 2.25rem;
    font-size: 1.0625rem;
    font-weight: 600;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s var(--ease-out);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

a.btn-primary,
a.btn-secondary {
    display: inline-flex;
}

.btn-primary {
    background: var(--green);
    color: var(--black);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 213, 99, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 1px solid var(--gray-500);
}

.btn-secondary:hover {
    border-color: var(--white);
    background: var(--gray-200);
}

/* Hero Stats */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-3xl);
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    text-align: center;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    font-variant-numeric: tabular-nums;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
}

.mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--gray-600);
    border-radius: 12px;
    position: relative;
}

.wheel {
    width: 3px;
    height: 8px;
    background: var(--gray-600);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

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

/* Mission Section */
.mission {
    padding: var(--space-4xl) 0;
    background: var(--gray-100);
}

.mission-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-lg);
}

.section-lead {
    font-size: 1.25rem;
    color: var(--white);
    margin-bottom: var(--space-lg);
    line-height: 1.5;
}

.section-text {
    color: var(--gray-700);
    margin-bottom: var(--space-xl);
}

.mission-metrics {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.metric-card {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--gray-200);
    border-radius: 8px;
    border: 1px solid var(--gray-300);
    transition: all 0.3s var(--ease-out);
}

.metric-card:hover {
    border-color: var(--green);
    transform: translateX(8px);
}

.metric-icon {
    font-size: 2rem;
}

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

.metric-label {
    font-size: 0.875rem;
    color: var(--gray-700);
}

/* Code Block */
.code-block {
    background: var(--gray-200);
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    overflow: hidden;
}

.code-header {
    padding: 0.75rem 1rem;
    background: var(--gray-300);
    border-bottom: 1px solid var(--gray-400);
    display: flex;
    gap: 0.5rem;
}

.code-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--gray-500);
}

.code-dot:nth-child(1) { background: #FF5F56; }
.code-dot:nth-child(2) { background: #FFBD2E; }
.code-dot:nth-child(3) { background: #27C93F; }

pre {
    padding: var(--space-lg);
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.6;
}

code {
    font-family: var(--font-mono);
}

.code-comment { color: var(--gray-600); }
.code-keyword { color: var(--blue); }
.code-function { color: var(--green); }
.code-param { color: var(--gray-800); }
.code-string { color: #F5A623; }
.code-number { color: #BD10E0; }

/* Technology Section */
.technology {
    padding: var(--space-4xl) 0;
    background: var(--black);
}

.tech-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.tech-header .section-lead {
    color: var(--gray-700);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.tech-card {
    padding: var(--space-xl);
    background: var(--gray-100);
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    transition: all 0.3s var(--ease-out);
    position: relative;
    overflow: hidden;
}

.tech-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--green), transparent);
    transform: translateX(-100%);
    transition: transform 0.5s var(--ease-out);
}

.tech-card:hover::before {
    transform: translateX(100%);
}

.tech-card:hover {
    border-color: var(--gray-400);
    transform: translateY(-4px);
}

.tech-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--gray-400);
    margin-bottom: var(--space-md);
    font-variant-numeric: tabular-nums;
}

.tech-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
}

.tech-card p {
    color: var(--gray-700);
    margin-bottom: var(--space-md);
    font-size: 0.9375rem;
}

.tech-specs {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.spec {
    padding: 0.25rem 0.625rem;
    background: var(--gray-200);
    border: 1px solid var(--gray-300);
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--gray-700);
    font-family: var(--font-mono);
}

/* Metrics Section */
.metrics {
    padding: var(--space-4xl) 0;
    background: var(--gray-100);
}

.metrics-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
}

.live-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--gray-200);
    border: 1px solid var(--gray-300);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.live-dot {
    width: 8px;
    height: 8px;
    background: var(--green);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(0, 213, 99, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(0, 213, 99, 0); }
    100% { box-shadow: 0 0 0 0 rgba(0, 213, 99, 0); }
}

.metrics-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-xl);
}

.metric-display {
    background: var(--gray-200);
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    padding: var(--space-lg);
}

#performance-chart {
    width: 100%;
    height: 300px;
}

.metric-legend {
    display: flex;
    gap: var(--space-lg);
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--gray-300);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--gray-700);
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 2px;
}

.big-stat {
    padding: var(--space-xl);
    background: var(--gray-200);
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    text-align: center;
    margin-bottom: var(--space-lg);
}

.big-stat-value {
    font-size: 3rem;
    font-weight: 700;
    color: var(--green);
    font-variant-numeric: tabular-nums;
}

.big-stat-label {
    color: var(--gray-700);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.small-stat {
    padding: var(--space-md);
    background: var(--gray-200);
    border: 1px solid var(--gray-300);
    border-radius: 8px;
}

.small-stat-label {
    font-size: 0.75rem;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.small-stat-value {
    font-size: 1.25rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

/* Research Section */
.research {
    padding: var(--space-4xl) 0;
    background: var(--black);
}

.research-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.research-card {
    padding: var(--space-xl);
    background: var(--gray-100);
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    transition: all 0.3s var(--ease-out);
}

.research-card:hover {
    border-color: var(--green);
    transform: translateY(-4px);
}

.research-date {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--green);
    margin-bottom: var(--space-sm);
}

.research-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--space-sm);
    line-height: 1.3;
}

.research-card p {
    color: var(--gray-700);
    font-size: 0.9375rem;
    margin-bottom: var(--space-md);
}

.research-link {
    color: var(--green);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9375rem;
    transition: all 0.2s var(--ease-out);
}

.research-link:hover {
    transform: translateX(4px);
    display: inline-block;
}

/* CTA Section */
.cta {
    padding: var(--space-4xl) 0;
    background: linear-gradient(180deg, var(--gray-100), var(--black));
}

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

.cta-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

.cta-subtitle {
    font-size: 1.125rem;
    color: var(--gray-700);
    margin-bottom: var(--space-xl);
}

.cta-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
}

/* Product Section */
.product {
    padding: var(--space-4xl) 0;
    background: var(--black);
}

.product .section-title {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.product-showcase {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-4xl);
    align-items: center;
}

.product-visual {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 213, 99, 0.15);
}

.product-screenshot {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 16px;
    border: 1px solid rgba(0, 213, 99, 0.2);
    transition: transform var(--transition-base);
}

.product-visual:hover .product-screenshot {
    transform: scale(1.02);
}

.product-features h3 {
    font-size: 1.75rem;
    margin-bottom: var(--space-xl);
    color: var(--white);
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.feature-item {
    display: flex;
    gap: var(--space-md);
}

.feature-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: rgba(0, 213, 99, 0.1);
    border: 1px solid rgba(0, 213, 99, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--green);
    transition: all var(--transition-base);
}

.feature-item:hover .feature-icon {
    background: rgba(0, 213, 99, 0.2);
    box-shadow: 0 0 20px rgba(0, 213, 99, 0.3);
    transform: scale(1.05);
}

.feature-content h4 {
    color: var(--white);
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
}

.feature-content p {
    color: var(--gray-600);
    font-size: 0.9375rem;
    line-height: 1.5;
}

/* Economic Analysis */
.economic-analysis {
    background: var(--gray-100);
    border-radius: 16px;
    padding: var(--space-2xl);
    border: 1px solid var(--gray-200);
}

.economic-analysis h3 {
    font-size: 1.5rem;
    color: var(--white);
    margin-bottom: var(--space-xl);
}

.graph-container {
    background: var(--gray-200);
    border-radius: 12px;
    padding: var(--space-lg);
    margin-bottom: var(--space-xl);
    position: relative;
}

.bar-chart {
    position: relative;
    height: 300px;
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
}

.chart-bars {
    display: flex;
    gap: var(--space-xl);
    align-items: flex-end;
    height: 100%;
    flex: 1;
    padding-left: 50px;
}

.bar-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    height: 100%;
    justify-content: flex-end;
}

.bar {
    width: 100%;
    max-width: 60px;
    border-radius: 4px 4px 0 0;
    position: relative;
    transition: all var(--transition-base);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 0.5rem;
    animation: growUp 0.8s ease-out forwards;
    transform-origin: bottom;
}

@keyframes growUp {
    from {
        transform: scaleY(0);
        opacity: 0;
    }
    to {
        transform: scaleY(1);
        opacity: 1;
    }
}

.bar-group:nth-child(1) .bar { animation-delay: 0.1s; }
.bar-group:nth-child(2) .bar { animation-delay: 0.2s; }
.bar-group:nth-child(3) .bar { animation-delay: 0.3s; }
.bar-group:nth-child(4) .bar { animation-delay: 0.4s; }
.bar-group:nth-child(5) .bar { animation-delay: 0.5s; }

.bar-green {
    background: linear-gradient(180deg, #00D563 0%, #00A050 100%);
}

.bar-blue {
    background: linear-gradient(180deg, #0066FF 0%, #003D99 100%);
}

.bar:hover {
    transform: translateY(-4px);
    filter: brightness(1.1);
}

.bar-value {
    color: white;
    font-weight: 700;
    font-size: 0.875rem;
}

.bar-label {
    color: var(--gray-600);
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

.chart-y-axis {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 0.5rem 0;
}

.chart-y-axis span {
    color: var(--gray-600);
    font-size: 0.75rem;
    font-variant-numeric: tabular-nums;
}

.graph-legend {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--gray-300);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--gray-600);
}

.legend-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.economic-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.eco-stat {
    text-align: center;
    padding: var(--space-lg);
    background: var(--gray-200);
    border-radius: 12px;
    border: 1px solid var(--gray-300);
    transition: all var(--transition-base);
}

.eco-stat:hover {
    transform: translateY(-4px);
    border-color: var(--green);
    box-shadow: 0 10px 30px rgba(0, 213, 99, 0.1);
}

.eco-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--green);
    margin-bottom: 0.5rem;
    font-variant-numeric: tabular-nums;
}

.eco-label {
    font-size: 0.875rem;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Footer */
.footer {
    padding: var(--space-3xl) 0 var(--space-lg);
    background: var(--black);
    border-top: 1px solid var(--gray-300);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr 4fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.footer-logo svg {
    color: var(--green);
}

.footer-tagline {
    color: var(--gray-600);
    font-size: 0.875rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

.footer-column h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--white);
}

.footer-column a {
    display: block;
    color: var(--gray-600);
    text-decoration: none;
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
    transition: color 0.2s var(--ease-out);
}

.footer-column a:hover {
    color: var(--white);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--gray-300);
    color: var(--gray-600);
    font-size: 0.875rem;
}

.footer-social {
    display: flex;
    gap: var(--space-md);
}

.footer-social a {
    color: var(--gray-600);
    transition: color 0.2s var(--ease-out);
}

.footer-social a:hover {
    color: var(--white);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .nav-logo .logo-img {
        height: 50px;
    }

    .nav-logo span {
        font-size: 1.125rem;
    }

    .hero-title {
        font-size: 3rem;
    }

    .hero-middle {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .hero-text-section {
        max-width: 100%;
        text-align: center;
    }

    .hero-image-section {
        order: -1; /* Place image above text on mobile */
        margin-bottom: var(--space-lg);
    }

    .hero-image {
        max-width: 400px;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

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

    .hero-stats {
        flex-wrap: wrap;
        gap: var(--space-lg);
    }

    .mission-grid,
    .tech-grid,
    .research-grid,
    .footer-links {
        grid-template-columns: 1fr;
    }

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

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

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

    .product-showcase {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .product-visual {
        order: -1;
    }

    .economic-stats {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-md);
    }

    .bar-chart {
        height: 250px;
    }

    .chart-bars {
        gap: var(--space-md);
        padding-left: 35px;
    }

    .bar {
        max-width: 40px;
    }

    .graph-legend {
        flex-wrap: wrap;
        gap: var(--space-md);
    }

    .economic-stats {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 1024px) {
    .hero-middle {
        gap: var(--space-xl);
    }

    .hero-image {
        max-width: 400px;
    }

    .hero-stats {
        gap: var(--space-xl);
    }
}