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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

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

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

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo h2 {
    color: #2563eb;
    font-weight: 700;
}

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

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: #2563eb;
}

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

.bar {
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 120px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    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: 1.5rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.8;
    line-height: 1.7;
}

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

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-primary {
    background-color: #fff;
    color: #2563eb;
}

.btn-primary:hover {
    background-color: #f8fafc;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: #fff;
    border-color: #fff;
}

.btn-secondary:hover {
    background-color: #fff;
    color: #2563eb;
}

.btn-outline {
    background-color: transparent;
    color: #2563eb;
    border-color: #2563eb;
}

.btn-outline:hover {
    background-color: #2563eb;
    color: #fff;
}

/* ML Pipeline Visual */
.ml-pipeline-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.pipeline-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255,255,255,0.1);
    padding: 1.5rem;
    border-radius: 12px;
    backdrop-filter: blur(10px);
    min-width: 120px;
}

.step-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.pipeline-arrow {
    font-size: 1.5rem;
    font-weight: bold;
}

/* Features Section */
.features {
    padding: 80px 0;
    background-color: #f8fafc;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: #1e293b;
}

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

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.feature-icon {
    font-size: 3rem;
    color: #2563eb;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1e293b;
}

.feature-card p {
    color: #64748b;
    line-height: 1.6;
}

/* Industries Section */
.industries {
    padding: 80px 0;
    background: white;
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.industry-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 2rem 1rem;
    background: #f8fafc;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.industry-item:hover {
    background: #e2e8f0;
    transform: translateY(-3px);
}

.industry-item i {
    font-size: 2.5rem;
    color: #2563eb;
}

.industry-item span {
    font-weight: 600;
    color: #1e293b;
}

/* CTA Section */
.cta {
    padding: 80px 0;
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    color: white;
    text-align: center;
}

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

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

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

/* Footer */
.footer {
    background: #1e293b;
    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: #fff;
}

.footer-section p {
    color: #cbd5e1;
    line-height: 1.6;
}

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

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

.footer-section ul li a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #60a5fa;
}

.footer-bottom {
    border-top: 1px solid #334155;
    padding-top: 1rem;
    text-align: center;
    color: #94a3b8;
}

/* Page Content */
.page-content {
    margin-top: 70px;
    padding: 2rem 0;
}

.content-section {
    padding: 3rem 0;
}

.content-section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: #1e293b;
}

.content-section h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #1e293b;
}

.content-section p {
    margin-bottom: 1.5rem;
    color: #64748b;
    line-height: 1.7;
}

.content-section ul {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.content-section li {
    margin-bottom: 0.5rem;
    color: #64748b;
}

/* Cards */
.card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    padding: 2rem;
    margin-bottom: 2rem;
}

.card h3 {
    color: #1e293b;
    margin-bottom: 1rem;
}

/* Resource Links */
.resource-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.resource-link {
    display: block;
    background: white;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    padding: 2rem;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

.resource-link:hover {
    border-color: #2563eb;
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.resource-link h3 {
    color: #2563eb;
    margin-bottom: 1rem;
}

.resource-link p {
    color: #64748b;
    margin-bottom: 0;
}

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

.community-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    padding: 2rem;
    text-align: center;
}

.community-card i {
    font-size: 3rem;
    color: #2563eb;
    margin-bottom: 1rem;
}

.community-card h3 {
    margin-bottom: 1rem;
    color: #1e293b;
}

/* ML Pipeline Detailed */
.ml-pipeline-detailed {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.pipeline-step-detailed {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pipeline-step-detailed:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.step-number {
    background: #2563eb;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.step-content h3 {
    margin-bottom: 0.5rem;
    color: #1e293b;
    font-size: 1.2rem;
}

.step-content p {
    color: #64748b;
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* Failure Categories */
.failure-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.category-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.category-icon {
    font-size: 3rem;
    color: #2563eb;
    margin-bottom: 1rem;
}

.category-card h3 {
    margin-bottom: 1.5rem;
    color: #1e293b;
    font-size: 1.5rem;
}

.category-card ul {
    text-align: left;
    list-style: none;
    padding: 0;
}

.category-card li {
    padding: 0.5rem 0;
    color: #64748b;
    border-bottom: 1px solid #e2e8f0;
}

.category-card li:last-child {
    border-bottom: none;
}

.category-card li:before {
    content: "•";
    color: #2563eb;
    font-weight: bold;
    display: inline-block;
    width: 1em;
    margin-left: -1em;
}

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

.standard-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.standard-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.standard-icon {
    font-size: 3rem;
    color: #2563eb;
    margin-bottom: 1rem;
}

.standard-card h3 {
    margin-bottom: 0.5rem;
    color: #1e293b;
    font-size: 1.3rem;
}

.standard-card p {
    color: #64748b;
    margin-bottom: 1rem;
}

.standard-card p:first-of-type {
    font-weight: 600;
    color: #2563eb;
}

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

.tool-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.tool-icon {
    font-size: 3rem;
    color: #2563eb;
    margin-bottom: 1rem;
}

.tool-card h3 {
    margin-bottom: 1rem;
    color: #1e293b;
    font-size: 1.3rem;
}

.tool-card p {
    color: #64748b;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

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

.research-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.research-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.research-card h3 {
    margin-bottom: 0.5rem;
    color: #1e293b;
    font-size: 1.2rem;
}

.research-authors {
    color: #2563eb;
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.research-card p {
    color: #64748b;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.research-link {
    color: #2563eb;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.3s ease;
}

.research-link:hover {
    color: #1d4ed8;
}

/* Community Resources */
.community-resources {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.community-resource-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.community-resource-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.resource-icon {
    font-size: 3rem;
    color: #2563eb;
    margin-bottom: 1rem;
}

.community-resource-card h3 {
    margin-bottom: 1rem;
    color: #1e293b;
    font-size: 1.3rem;
}

.community-resource-card p {
    color: #64748b;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

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

.stakeholder-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stakeholder-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.stakeholder-icon {
    font-size: 3rem;
    color: #2563eb;
    margin-bottom: 1rem;
}

.stakeholder-card h3 {
    margin-bottom: 1rem;
    color: #1e293b;
    font-size: 1.3rem;
}

.stakeholder-card p {
    color: #64748b;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.stakeholder-card ul {
    list-style: none;
    padding: 0;
}

.stakeholder-card li {
    padding: 0.5rem 0;
    color: #64748b;
    border-bottom: 1px solid #e2e8f0;
}

.stakeholder-card li:last-child {
    border-bottom: none;
}

.stakeholder-card li:before {
    content: "•";
    color: #2563eb;
    font-weight: bold;
    display: inline-block;
    width: 1em;
    margin-left: -1em;
}

/* Involvement Steps */
.involvement-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.step-card {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.step-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.step-number-large {
    background: #2563eb;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.step-content h3 {
    margin-bottom: 1rem;
    color: #1e293b;
    font-size: 1.3rem;
}

.step-content p {
    color: #64748b;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

/* Working Groups */
.working-groups {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.working-group-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.working-group-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.group-icon {
    font-size: 3rem;
    color: #2563eb;
    margin-bottom: 1rem;
}

.working-group-card h3 {
    margin-bottom: 1rem;
    color: #1e293b;
    font-size: 1.3rem;
}

.working-group-card p {
    color: #64748b;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.group-focus {
    background: #f8fafc;
    padding: 1rem;
    border-radius: 8px;
    border-left: 4px solid #2563eb;
    font-size: 0.9rem;
    color: #64748b;
}

.group-focus strong {
    color: #1e293b;
}

/* Guidelines Grid */
.guidelines-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.guideline-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.guideline-icon {
    font-size: 2rem;
    color: #2563eb;
    margin-top: 0.5rem;
    flex-shrink: 0;
}

.guideline-item h3 {
    margin-bottom: 0.5rem;
    color: #1e293b;
    font-size: 1.1rem;
}

.guideline-item p {
    color: #64748b;
    margin-bottom: 0;
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        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;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .ml-pipeline-visual {
        justify-content: center;
    }
    
    .pipeline-step {
        min-width: 100px;
        padding: 1rem;
    }
    
    .pipeline-arrow {
        display: none;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
    
    .hero-buttons,
    .cta-buttons {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .feature-card,
    .card {
        padding: 1.5rem;
    }
}