:root {
    --primary-bg: #0a1a0a;
    --secondary-bg: #1a2e1a;
    --accent-green: #22c55e;
    --accent-forest: #16a34a;
    --accent-lime: #84cc16;
    --accent-emerald: #10b981;
    --accent-teal: #14b8a6;
    --text-primary: #ffffff;
    --text-secondary: #86efac;
    --border-green: #166534;
    --success-color: #22c55e;
    --solar-yellow: #fbbf24;
    --ocean-blue: #0ea5e9;
    --earth-brown: #a16207;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--primary-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.eco-container {
    min-height: 100vh;
    background: radial-gradient(ellipse at center, var(--secondary-bg) 0%, var(--primary-bg) 100%);
    position: relative;
}

/* Navigation */
.eco-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 26, 10, 0.95);
    backdrop-filter: blur(20px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-green);
}

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

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(45deg, var(--accent-green), var(--accent-lime));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.language-switcher {
    display: flex;
    gap: 0.5rem;
}

.lang-btn {
    padding: 0.5rem 1rem;
    background: transparent;
    border: 1px solid var(--border-green);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.lang-btn.active,
.lang-btn:hover {
    border-color: var(--accent-green);
    color: var(--accent-green);
    box-shadow: 0 0 10px rgba(34, 197, 94, 0.3);
}

.cta-button {
    padding: 0.75rem 1.5rem;
    background: linear-gradient(45deg, var(--accent-green), var(--accent-forest));
    border: none;
    border-radius: 8px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(34, 197, 94, 0.4);
}

/* Hero Section */
.hero {
    padding: 8rem 2rem 4rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.floating-leaves {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(3px 3px at 100px 200px, rgba(34, 197, 94, 0.3), transparent),
        radial-gradient(2px 2px at 300px 100px, rgba(132, 204, 22, 0.4), transparent),
        radial-gradient(1px 1px at 500px 300px, rgba(16, 185, 129, 0.2), transparent);
    background-size: 400px 400px;
    animation: float 20s ease-in-out infinite;
}

.energy-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(1px 1px at 200px 150px, var(--solar-yellow), transparent),
        radial-gradient(1px 1px at 400px 250px, var(--ocean-blue), transparent),
        radial-gradient(1px 1px at 600px 180px, var(--accent-emerald), transparent);
    background-size: 300px 300px;
    animation: energyFlow 15s linear infinite;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: linear-gradient(45deg, var(--accent-green), var(--accent-lime));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.primary-btn {
    padding: 1rem 2rem;
    background: linear-gradient(45deg, var(--accent-green), var(--accent-forest));
    border: none;
    border-radius: 12px;
    color: white;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.primary-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(34, 197, 94, 0.4);
}

.secondary-btn {
    padding: 1rem 2rem;
    background: transparent;
    border: 2px solid var(--accent-green);
    border-radius: 12px;
    color: var(--accent-green);
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.secondary-btn:hover {
    background: var(--accent-green);
    color: white;
    transform: translateY(-3px);
}

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

.metric {
    text-align: center;
}

.metric-value {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--accent-lime);
    margin-bottom: 0.25rem;
}

.metric-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Sustainability Ecosystem Visualization */
.sustainability-ecosystem {
    position: relative;
    width: 500px;
    height: 500px;
    margin: 0 auto;
}

.earth-core {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.planet-earth {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, #4ade80, #166534);
    position: relative;
    animation: rotate 20s linear infinite;
}

.continents {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-image: 
        radial-gradient(10px 8px at 30% 40%, var(--earth-brown), transparent),
        radial-gradient(8px 12px at 60% 30%, var(--earth-brown), transparent),
        radial-gradient(6px 6px at 70% 60%, var(--earth-brown), transparent);
}

.atmosphere {
    position: absolute;
    width: 140px;
    height: 140px;
    border: 2px solid rgba(34, 197, 94, 0.3);
    border-radius: 50%;
    top: -10px;
    left: -10px;
    animation: pulse 3s infinite;
}

.orbital-rings {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.solar-ring, .wind-ring, .hydro-ring {
    position: absolute;
    border: 1px solid rgba(34, 197, 94, 0.2);
    border-radius: 50%;
}

.solar-ring {
    width: 200px;
    height: 200px;
    top: -100px;
    left: -100px;
    animation: rotate 15s linear infinite;
}

.wind-ring {
    width: 260px;
    height: 260px;
    top: -130px;
    left: -130px;
    animation: rotate 25s linear infinite reverse;
}

.hydro-ring {
    width: 320px;
    height: 320px;
    top: -160px;
    left: -160px;
    animation: rotate 35s linear infinite;
}

.solar-panel, .wind-turbine, .hydro-plant {
    position: absolute;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.solar-panel:hover, .wind-turbine:hover, .hydro-plant:hover {
    transform: scale(1.3);
    filter: drop-shadow(0 0 10px currentColor);
}

.solar-1 { top: 10px; left: 50%; transform: translateX(-50%); }
.solar-2 { top: 50%; right: 10px; transform: translateY(-50%); }
.solar-3 { bottom: 10px; left: 50%; transform: translateX(-50%); }

.wind-1 { top: 20px; left: 50%; transform: translateX(-50%); }
.wind-2 { top: 50%; right: 20px; transform: translateY(-50%); }
.wind-3 { bottom: 20px; left: 50%; transform: translateX(-50%); }

.hydro-1 { top: 50%; left: 20px; transform: translateY(-50%); }
.hydro-2 { bottom: 20px; right: 50%; transform: translateX(50%); }

.green-network {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.network-node {
    position: absolute;
    width: 25px;
    height: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    animation: float 3s ease-in-out infinite;
}

.node-1 { top: -80px; left: -10px; animation-delay: 0s; }
.node-2 { top: -10px; right: -80px; animation-delay: 0.5s; }
.node-3 { bottom: -80px; left: -10px; animation-delay: 1s; }
.node-4 { top: -10px; left: -80px; animation-delay: 1.5s; }

.energy-flow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
}

.flow-line {
    position: absolute;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-lime), transparent);
    animation: energyPulse 4s ease-in-out infinite;
    opacity: 0.7;
}

.line-1 {
    top: 40%;
    left: 60px;
    width: 100px;
    transform: rotate(45deg);
    animation-delay: 0s;
}

.line-2 {
    top: 60%;
    right: 60px;
    width: 80px;
    transform: rotate(-45deg);
    animation-delay: 1s;
}

.line-3 {
    bottom: 40%;
    left: 60px;
    width: 90px;
    transform: rotate(-45deg);
    animation-delay: 2s;
}

.line-4 {
    top: 50%;
    left: 30px;
    width: 70px;
    transform: rotate(90deg);
    animation-delay: 3s;
}

/* Features Section */
.features {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

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

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, var(--accent-green), var(--accent-lime));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

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

.feature-card {
    background: rgba(26, 46, 26, 0.8);
    border: 1px solid var(--border-green);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-green);
    box-shadow: 0 20px 40px rgba(34, 197, 94, 0.3);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Green Technologies Section */
.green-tech {
    padding: 6rem 2rem;
    background: rgba(26, 46, 26, 0.3);
}

.tech-header {
    text-align: center;
    margin-bottom: 4rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

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

.tech-header p {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.tech-item {
    background: rgba(10, 26, 10, 0.8);
    border: 1px solid var(--border-green);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.tech-item:hover {
    transform: translateY(-5px);
    border-color: var(--accent-lime);
}

.tech-icon {
    margin-bottom: 1.5rem;
}

.icon-circle {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    font-size: 2rem;
}

.green-gradient { background: linear-gradient(45deg, var(--accent-green), var(--accent-lime)); }
.blue-gradient { background: linear-gradient(45deg, var(--ocean-blue), var(--accent-teal)); }
.aqua-gradient { background: linear-gradient(45deg, var(--accent-teal), var(--accent-emerald)); }
.forest-gradient { background: linear-gradient(45deg, var(--accent-forest), var(--accent-green)); }

.tech-symbol {
    color: white;
}

.tech-item h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.tech-item p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.tech-stats {
    display: flex;
    justify-content: space-between;
    margin-top: 1rem;
}

.stat {
    text-align: center;
    flex: 1;
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.stat-value {
    display: block;
    font-weight: 600;
    color: var(--accent-lime);
}

/* Environmental Impact */
.impact {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

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

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

.impact-header p {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

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

.impact-chart {
    background: rgba(26, 46, 26, 0.5);
    border: 1px solid var(--border-green);
    border-radius: 16px;
    padding: 2rem;
}

.chart-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 2rem;
    text-align: center;
    color: var(--text-primary);
}

.chart-bars {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.bar-group {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.bar-label {
    width: 120px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.bar {
    height: 30px;
    border-radius: 15px;
    position: relative;
    transition: width 2s ease-in-out;
}

.bar.traditional {
    background: linear-gradient(90deg, #dc2626, #b91c1c);
    width: 100%;
}

.bar.green {
    background: linear-gradient(90deg, var(--accent-green), var(--accent-lime));
    width: 10%;
}

.bar-value {
    margin-left: 1rem;
    font-size: 0.9rem;
    color: var(--text-primary);
    font-weight: 600;
}

.impact-metrics {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.metric-card {
    background: rgba(10, 26, 10, 0.8);
    border: 1px solid var(--border-green);
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s ease;
}

.metric-card:hover {
    border-color: var(--accent-green);
    transform: translateY(-3px);
}

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

.metric-number {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--accent-lime);
    margin-bottom: 0.25rem;
}

.metric-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Use Cases */
.use-cases {
    padding: 6rem 2rem;
    background: rgba(26, 46, 26, 0.3);
}

.cases-header {
    text-align: center;
    margin-bottom: 4rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

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

.cases-header p {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.case-item {
    background: rgba(10, 26, 10, 0.8);
    border: 1px solid var(--border-green);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.case-item:hover {
    transform: translateY(-5px);
    border-color: var(--accent-forest);
    box-shadow: 0 15px 30px rgba(22, 163, 74, 0.2);
}

.case-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.case-item h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.case-item p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.case-impact {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.impact-metric {
    padding: 0.25rem 0.75rem;
    background: rgba(34, 197, 94, 0.2);
    color: var(--accent-lime);
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* Statistics */
.stats {
    padding: 4rem 2rem;
    background: rgba(34, 197, 94, 0.1);
    margin: 4rem 0;
}

.stats-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-item {
    padding: 2rem;
}

.stat-number {
    font-size: 3rem;
    font-weight: bold;
    background: linear-gradient(45deg, var(--accent-green), var(--accent-lime));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* CTA Section */
.cta-section {
    padding: 6rem 2rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.cta-content p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

.cta-button-large {
    padding: 1.2rem 3rem;
    background: linear-gradient(45deg, var(--accent-green), var(--accent-forest));
    border: none;
    border-radius: 16px;
    color: white;
    font-weight: 600;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cta-button-large:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(34, 197, 94, 0.4);
}

/* Cookie Banner & Footer */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(10, 26, 10, 0.95);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-green);
    padding: 1rem 2rem;
    z-index: 1000;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.cookie-banner.show {
    transform: translateY(0);
}

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

.cookie-actions {
    display: flex;
    gap: 1rem;
}

.accept-btn {
    padding: 0.75rem 1.5rem;
    background: var(--accent-green);
    border: none;
    border-radius: 8px;
    color: white;
    font-weight: 600;
    cursor: pointer;
}

.privacy-link {
    color: var(--accent-green);
    text-decoration: none;
    padding: 0.75rem 1rem;
}

.footer {
    background: var(--secondary-bg);
    border-top: 1px solid var(--border-green);
    padding: 3rem 2rem 1rem;
}

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

.footer-section h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.footer-section p {
    color: var(--text-secondary);
    line-height: 1.6;
}

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

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

.footer-section ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--accent-green);
}

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

.social-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.social-link:hover {
    color: var(--accent-green);
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid var(--border-green);
    text-align: center;
    color: var(--text-secondary);
}

.legal-page {
    padding: 8rem 2rem 4rem;
    max-width: 800px;
    margin: 0 auto;
}

.legal-content h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.last-updated {
    color: var(--text-secondary);
    margin-bottom: 3rem;
    font-style: italic;
}

.legal-content section {
    margin-bottom: 2.5rem;
}

.legal-content h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--accent-green);
}

.legal-content p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1rem;
}

/* Animations */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes energyFlow {
    0%, 100% { opacity: 0.3; transform: translateX(0); }
    50% { opacity: 1; transform: translateX(20px); }
}

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

@keyframes pulse {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.05); }
}

@keyframes energyPulse {
    0%, 100% { opacity: 0; transform: scaleX(0); }
    50% { opacity: 1; transform: scaleX(1); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .sustainability-ecosystem {
        width: 350px;
        height: 350px;
    }
    
    .nav-content {
        padding: 1rem;
    }
    
    .features-grid,
    .tech-grid,
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .impact-visualization {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .sustainability-metrics {
        justify-content: center;
        gap: 1rem;
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
}