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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #2c3e50;
    background-color: #ffffff;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3rem;
    color: #1a1a1a;
}

h2 {
    font-size: 2.5rem;
    color: #2c3e50;
}

h3 {
    font-size: 2rem;
    color: #34495e;
}

h4 {
    font-size: 1.5rem;
    color: #5a6c7d;
}

p {
    margin-bottom: 1rem;
    color: #5a6c7d;
}

a {
    color: #27ae60;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #229954;
}

/* Header and Navigation */
header {
    background: #ffffff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

nav {
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    font-size: 1.5rem;
    font-weight: 700;
    color: #27ae60;
}

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

.nav-menu a {
    color: #5a6c7d;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: #27ae60;
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: #5a6c7d;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    text-align: center;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.hero-content h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    color: #27ae60;
}

.hero-content h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: #2c3e50;
}

.hero-content p {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 3rem;
    color: #5a6c7d;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.btn-primary {
    background: #27ae60;
    color: white;
}

.btn-primary:hover {
    background: #229954;
    transform: translateY(-2px);
}

.btn-secondary {
    background: #3498db;
    color: white;
}

.btn-secondary:hover {
    background: #2980b9;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: #27ae60;
    border: 2px solid #27ae60;
}

.btn-outline:hover {
    background: #27ae60;
    color: white;
    transform: translateY(-2px);
}

/* Page Headers */
.page-header {
    padding: 120px 0 60px;
    text-align: center;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: #27ae60;
}

.page-header p {
    font-size: 1.2rem;
    color: #5a6c7d;
}

/* Content Sections */
.platform-content,
.pathways-content,
.mrv-content,
.ecosystem-content,
.impact-content,
.about-content,
.contact-content {
    padding: 80px 0;
}

.platform-intro,
.pathway-intro,
.mrv-intro,
.ecosystem-intro,
.impact-intro,
.mission-section {
    text-align: center;
    margin-bottom: 4rem;
}

.platform-intro h2,
.pathway-intro h2,
.mrv-intro h2,
.ecosystem-intro h2,
.impact-intro h2,
.mission-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.platform-intro p,
.pathway-intro p,
.mrv-intro p,
.ecosystem-intro p,
.impact-intro p,
.mission-section p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto;
    color: #5a6c7d;
}

/* Workflow Diagram */
.workflow-diagram {
    margin-bottom: 4rem;
}

.workflow-diagram h3 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2rem;
    color: #2c3e50;
}

.workflow-steps {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.step {
    flex: 1;
    min-width: 200px;
    text-align: center;
    padding: 2rem 1rem;
    background: #f8f9fa;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

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

.step h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.step p {
    font-size: 0.95rem;
    color: #5a6c7d;
}

.step-arrow {
    font-size: 2rem;
    color: #27ae60;
    font-weight: bold;
}

/* Pathways Grid */
.pathways-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.pathway {
    background: #ffffff;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.pathway-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    text-align: center;
}

.pathway h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #2c3e50;
    text-align: center;
}

.pathway p {
    margin-bottom: 1.5rem;
    color: #5a6c7d;
}

.pathway-details h4 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: #34495e;
}

.pathway-details ul {
    list-style: none;
    padding-left: 0;
}

.pathway-details li {
    padding: 0.5rem 0;
    color: #5a6c7d;
    position: relative;
    padding-left: 1.5rem;
}

.pathway-details li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #27ae60;
    font-weight: bold;
}

/* MRV Components */
.mrv-components {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.mrv-section {
    background: #ffffff;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.mrv-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    text-align: center;
}

.mrv-section h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #2c3e50;
    text-align: center;
}

.mrv-section p {
    margin-bottom: 1.5rem;
    color: #5a6c7d;
    text-align: center;
}

.mrv-details h4 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: #34495e;
}

.mrv-details ul {
    list-style: none;
    padding-left: 0;
}

.mrv-details li {
    padding: 0.5rem 0;
    color: #5a6c7d;
    position: relative;
    padding-left: 1.5rem;
}

.mrv-details li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: #27ae60;
    font-weight: bold;
}

/* Ecosystem Grid */
.ecosystem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.stakeholder {
    background: #ffffff;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    text-align: center;
}

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

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

.stakeholder h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.stakeholder p {
    color: #5a6c7d;
}

/* Impact Metrics */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.metric {
    text-align: center;
    padding: 2rem;
    background: #ffffff;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.metric-number {
    font-size: 3rem;
    font-weight: 700;
    color: #27ae60;
    margin-bottom: 1rem;
}

.metric-label {
    font-size: 1.2rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.metric-description {
    color: #5a6c7d;
    font-size: 0.95rem;
}

/* Feature Grids */
.feature-grid,
.features-grid,
.benefits-grid,
.commitment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.feature,
.benefit,
.commitment {
    background: #ffffff;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    text-align: center;
}

.feature:hover,
.benefit:hover,
.commitment:hover {
    transform: translateY(-5px);
}

.feature h3,
.benefit h4,
.commitment h4 {
    margin-bottom: 1rem;
    color: #2c3e50;
}

.feature p,
.benefit p,
.commitment p {
    color: #5a6c7d;
}

/* Contact Form */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.contact-form {
    background: #ffffff;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #2c3e50;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #e9ecef;
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #27ae60;
}

.form-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 6px;
    text-align: center;
}

.form-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.contact-info-section {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-details {
    background: #ffffff;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

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

.contact-icon {
    font-size: 1.5rem;
    color: #27ae60;
}

.contact-info h4 {
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.contact-info p {
    color: #5a6c7d;
}

.partnership-opportunities,
.response-time {
    background: #ffffff;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.opportunity-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.opportunity h4 {
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.opportunity p {
    color: #5a6c7d;
}

/* Footer */
footer {
    background: #2c3e50;
    color: #ffffff;
    padding: 3rem 0 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: center;
}

.footer-nav {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-nav a {
    color: #ffffff;
    transition: color 0.3s ease;
}

.footer-nav a:hover {
    color: #27ae60;
}

.footer-info {
    border-top: 1px solid #34495e;
    padding-top: 2rem;
}

.footer-info p {
    color: #bdc3c7;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: #ffffff;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

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

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content h2 {
        font-size: 1.5rem;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .workflow-steps {
        flex-direction: column;
    }

    .step-arrow {
        transform: rotate(90deg);
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-nav {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 100px 0 60px;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content h2 {
        font-size: 1.2rem;
    }

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

    .btn {
        width: 100%;
        max-width: 250px;
    }

    .pathways-grid,
    .mrv-components,
    .ecosystem-grid,
    .metrics-grid {
        grid-template-columns: 1fr;
    }

    .workflow-steps {
        gap: 1rem;
    }

    .step {
        padding: 1.5rem 1rem;
    }
}

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

.hero-content {
    animation: fadeInUp 1s ease-out;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mb-2 {
    margin-bottom: 2rem;
}

.mb-4 {
    margin-bottom: 4rem;
}