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

:root {
    --primary-green: #2d5a27;
    --secondary-green: #4a7c59;
    --accent-green: #6b8e23;
    --light-green: #90ee90;
    --dark-green: #1a3d1a;
    --solar-orange: #ff8c00;
    --energy-yellow: #ffd700;
    --blockchain-blue: #1e90ff;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --gradient-primary: linear-gradient(135deg, var(--primary-green), var(--secondary-green));
    --gradient-solar: linear-gradient(135deg, var(--solar-orange), var(--energy-yellow));
    --gradient-blockchain: linear-gradient(135deg, var(--blockchain-blue), #4169e1);
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: var(--gradient-primary);
    color: white;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: var(--shadow);
}

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

.nav-brand h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.2rem;
}

.nav-brand span {
    font-size: 0.9rem;
    opacity: 0.9;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s ease;
}

.nav-menu a:hover {
    opacity: 0.8;
}

/* Hero Section */
.hero {
    background: var(--gradient-primary);
    color: white;
    padding: 120px 0 80px;
    display: flex;
    align-items: center;
    min-height: 100vh;
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

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

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--energy-yellow);
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
}

.cta-button {
    background: var(--solar-orange);
    color: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

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

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

.ecosystem-diagram {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    max-width: 400px;
}

.module {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease;
}

.module:hover {
    transform: translateY(-5px);
}

.module i {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--energy-yellow);
}

.module span {
    display: block;
    font-weight: 600;
}

/* Sections */
.section {
    padding: 80px 0;
}

.section.bg-light {
    background-color: var(--bg-light);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-green);
}

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

.vision-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.vision-card:hover {
    transform: translateY(-5px);
}

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

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

/* Infrastructure Grid */
.infrastructure-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.infra-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.infra-card:hover {
    transform: translateY(-5px);
}

.infra-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

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

.infra-header h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-green);
}

.infra-list {
    list-style: none;
    margin-bottom: 1.5rem;
}

.infra-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
    position: relative;
    padding-left: 1.5rem;
}

.infra-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-green);
    font-weight: bold;
}

.cost {
    background: var(--gradient-solar);
    color: white;
    padding: 0.8rem;
    border-radius: 10px;
    text-align: center;
    font-weight: 600;
    font-size: 1.1rem;
}

/* Community Section */
.community-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    align-items: start;
}

.community-stats {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.stat-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow);
}

.stat-card .stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-green);
    display: block;
}

.stat-card .stat-label {
    font-size: 1rem;
    color: var(--text-light);
}

.community-description h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary-green);
}

.benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.benefit {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1rem;
    background: white;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.benefit i {
    color: var(--accent-green);
    font-size: 1.2rem;
}

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

.business-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow);
}

.business-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--primary-green);
}

.cost-breakdown {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.cost-item {
    display: flex;
    justify-content: space-between;
    padding: 0.8rem 0;
    border-bottom: 1px solid #eee;
}

.cost-item.total {
    border-top: 2px solid var(--primary-green);
    border-bottom: none;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--primary-green);
}

.cost-per-person {
    text-align: center;
    margin-top: 1rem;
    padding: 1rem;
    background: var(--bg-light);
    border-radius: 10px;
    font-weight: 600;
    color: var(--primary-green);
}

.revenue-streams {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.revenue-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-light);
    border-radius: 10px;
}

.revenue-item i {
    font-size: 1.5rem;
    color: var(--primary-green);
}

.revenue-item h4 {
    font-weight: 600;
    margin-bottom: 0.3rem;
}

.revenue-item p {
    font-size: 0.9rem;
    color: var(--text-light);
}

.projections {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.projection-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--bg-light);
    border-radius: 10px;
}

.year {
    font-weight: 600;
    color: var(--primary-green);
}

.roi {
    font-weight: 600;
    color: var(--accent-green);
}

.roi-chart {
    background: var(--bg-light);
    border-radius: 10px;
    padding: 1rem;
    text-align: center;
}

/* Impact Section */
.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.impact-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow);
}

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

.impact-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--primary-green);
}

.impact-metrics {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.metric {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem;
    background: var(--bg-light);
    border-radius: 10px;
}

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

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

.feasibility-items {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.feasibility-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem;
    background: var(--bg-light);
    border-radius: 10px;
}

.feasibility-item i {
    color: var(--accent-green);
}

.environmental-benefits {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow);
}

.environmental-benefits h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: var(--primary-green);
    text-align: center;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.benefit-item {
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 15px;
}

.benefit-item h4 {
    font-weight: 600;
    margin-bottom: 0.8rem;
    color: var(--primary-green);
}

/* Expansion Section */
.expansion-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline:before {
    content: '';
    position: absolute;
    left: 1rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary-green);
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
    padding-left: 2rem;
}

.timeline-item:before {
    content: '';
    position: absolute;
    left: -0.5rem;
    top: 0.5rem;
    width: 1rem;
    height: 1rem;
    background: var(--primary-green);
    border-radius: 50%;
}

.timeline-year {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-green);
    margin-bottom: 0.5rem;
}

.timeline-content {
    background: white;
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

.timeline-content h4 {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--primary-green);
}

.timeline-metrics {
    display: flex;
    gap: 1rem;
    margin-top: 0.8rem;
}

.timeline-metrics span {
    background: var(--bg-light);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary-green);
}

.map-regions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.region {
    background: white;
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

.region h4 {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--primary-green);
}

.region-stats {
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: 600;
}

.hyperloop-section {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow);
}

.hyperloop-section h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: var(--primary-green);
    text-align: center;
}

.hyperloop-specs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.spec-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 15px;
}

.spec-item i {
    font-size: 2rem;
    color: var(--blockchain-blue);
}

.spec-item h4 {
    font-weight: 600;
    margin-bottom: 0.3rem;
    color: var(--primary-green);
}

.spec-item p {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* Documents Section */
.documents-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.documents-intro {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.documents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.document-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
    border: 2px solid transparent;
}

.document-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-green);
}

.document-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.document-icon i {
    font-size: 2rem;
    color: white;
}

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

.document-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.document-meta {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.document-meta span {
    background: var(--bg-light);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary-green);
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--gradient-solar);
    color: white;
    text-decoration: none;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

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

/* Donations Section */
.donations-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
}

.donations-intro {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.donation-counter {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    margin-bottom: 3rem;
    box-shadow: var(--shadow);
    text-align: center;
}

.counter-display {
    margin-bottom: 2rem;
}

.counter-label {
    font-size: 1.1rem;
    color: var(--text-light);
    display: block;
    margin-bottom: 0.5rem;
}

.counter-amount {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-green);
    display: block;
    margin-bottom: 0.5rem;
}

.counter-target {
    font-size: 1rem;
    color: var(--text-light);
}

.progress-bar {
    width: 100%;
    height: 20px;
    background: var(--bg-light);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 2rem;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-solar);
    border-radius: 10px;
    transition: width 0.5s ease;
    width: 0%;
}

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

.donation-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.donation-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
    border: 2px solid transparent;
}

.donation-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-green);
}

.donation-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.donation-icon i {
    font-size: 2rem;
    color: white;
}

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

.donation-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.donation-amounts {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.amount-btn {
    background: var(--bg-light);
    border: 2px solid var(--primary-green);
    color: var(--primary-green);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.bank-details {
    background: var(--bg-light);
    border-radius: 15px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    text-align: left;
}

.bank-info {
    margin-bottom: 0.8rem;
    font-size: 0.9rem;
}

.bank-info:last-child {
    margin-bottom: 0;
}

.custom-amount {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.custom-amount input {
    padding: 0.8rem;
    border: 2px solid var(--primary-green);
    border-radius: 10px;
    font-size: 1rem;
    width: 150px;
    text-align: center;
}

.currency {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-green);
}

.donate-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
    width: 100%;
    justify-content: center;
}

.paypal-btn {
    background: #0070ba;
    color: white;
}

.paypal-btn:hover {
    background: #005ea6;
    transform: translateY(-2px);
}

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

.bank-btn:hover {
    background: var(--dark-green);
    transform: translateY(-2px);
}

.custom-btn {
    background: var(--solar-orange);
    color: white;
}

.custom-btn:hover {
    background: #e67e00;
    transform: translateY(-2px);
}

.donation-impact {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow);
}

.donation-impact h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: var(--primary-green);
    text-align: center;
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.impact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-light);
    border-radius: 15px;
}

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

.impact-text {
    display: flex;
    flex-direction: column;
}

.impact-text strong {
    font-size: 1.2rem;
    color: var(--primary-green);
    font-weight: 700;
}

.impact-text span {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* CTA Section */
.cta-section {
    background: var(--gradient-primary);
    color: white;
    padding: 80px 0;
    text-align: center;
}

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

.cta-content p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.cta-primary, .cta-secondary, .cta-tertiary {
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cta-primary {
    background: var(--solar-orange);
    color: white;
}

.cta-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.cta-tertiary {
    background: var(--blockchain-blue);
    color: white;
}

.cta-primary:hover, .cta-secondary:hover, .cta-tertiary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.contact-info p {
    margin-bottom: 1rem;
    opacity: 0.8;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.social-links a {
    color: white;
    font-size: 1.5rem;
    transition: opacity 0.3s ease;
}

.social-links a:hover {
    opacity: 0.7;
}

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

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

.footer-section h3, .footer-section h4 {
    margin-bottom: 1rem;
    color: var(--light-green);
}

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

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

.footer-section ul li a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-section ul li a:hover {
    opacity: 1;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

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

.hashtags span {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .community-content {
        grid-template-columns: 1fr;
    }
    
    .expansion-content {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .ecosystem-diagram {
        grid-template-columns: 1fr;
    }
}

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

.vision-card, .infra-card, .impact-card {
    animation: fadeInUp 0.6s ease-out;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-light);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-green);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--dark-green);
}