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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 15px 0;
}

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

.nav-logo .logo {
    height: 40px;
    width: auto;
}

.nav-menu {
    display: flex;
    gap: 30px;
}

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

.nav-link:hover {
    color: #2563EB;
}

.language-selector {
    display: flex;
    gap: 5px;
}

.lang-btn {
    background: transparent;
    border: 1px solid #e5e7eb;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.lang-btn.active {
    background: #2563EB;
    color: white;
    border-color: #2563EB;
}

.lang-btn:hover:not(.active) {
    background: #f3f4f6;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    text-align: center;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.title-total {
    color: #2563EB;
}

.title-scope {
    color: #06B6D4;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #64748b;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, #2563EB 0%, #06B6D4 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #2563EB;
    border: 2px solid #2563EB;
}

.btn-secondary:hover {
    background: #2563EB;
    color: white;
}

/* Section Styles */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 20px;
    color: #1e293b;
}

.section-description {
    font-size: 1.125rem;
    text-align: center;
    color: #64748b;
    margin-bottom: 60px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Innovation Section */
.innovation {
    background: #f8fafc;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.feature-card {
    background: white;
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #2563EB 0%, #06B6D4 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #1e293b;
}

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

/* Project Specifications */
.project-specs {
    background: white;
}

.specs-content {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 60px;
    align-items: start;
}

.specs-text .section-title {
    text-align: left;
    margin-bottom: 20px;
}

.specs-description {
    text-align: left;
    margin-bottom: 40px;
    font-size: 1.125rem;
    color: #64748b;
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.check-icon {
    color: #10b981;
    flex-shrink: 0;
}

.specs-card {
    background: linear-gradient(135deg, #2563EB 0%, #06B6D4 100%);
    color: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.2);
}

.specs-card-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 30px;
    text-align: center;
}

.spec-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.spec-item:last-child {
    border-bottom: none;
}

.spec-label {
    font-weight: 500;
}

.spec-value {
    font-weight: 600;
}

/* Technology Section */
.technology {
    background: #1e293b;
    color: white;
}

.technology .section-title,
.technology .section-description {
    color: white;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.tech-card {
    text-align: center;
    padding: 40px 20px;
}

.tech-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #06B6D4 0%, #2563EB 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
}

.tech-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: white;
}

.tech-description {
    color: #94a3b8;
    line-height: 1.6;
}

/* Impact Section */
.impact {
    background: #f8fafc;
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-bottom: 80px;
}

.impact-card {
    background: white;
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

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

.impact-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #2563EB 0%, #06B6D4 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
}

.impact-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #1e293b;
}

.impact-description {
    color: #64748b;
    line-height: 1.6;
}

/* Market Strategy */
.market-strategy {
    background: linear-gradient(135deg, #2563EB 0%, #06B6D4 100%);
    color: white;
    padding: 60px;
    border-radius: 16px;
    margin-top: 40px;
}

.strategy-title {
    font-size: 2rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 20px;
}

.strategy-description {
    text-align: center;
    margin-bottom: 40px;
    font-size: 1.125rem;
    opacity: 0.9;
}

.strategy-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.column-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.strategy-list {
    list-style: none;
}

.strategy-list li {
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
}

.strategy-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #06B6D4;
    font-weight: bold;
}

/* Consortium Section */
.consortium {
    background: white;
}

.consortium-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.partner-card {
    background: #f8fafc;
    border-radius: 16px;
    padding: 40px;
    border: 1px solid #e2e8f0;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.partner-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.partner-header {
    margin-bottom: 20px;
}

.partner-role {
    background: linear-gradient(135deg, #2563EB 0%, #06B6D4 100%);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: inline-block;
}

.partner-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 20px;
}

.partner-details {
    margin-bottom: 20px;
}

.partner-info {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid #e2e8f0;
}

.partner-info:last-child {
    border-bottom: none;
}

.info-label {
    font-weight: 500;
    color: #64748b;
}

.info-value {
    font-weight: 600;
    color: #1e293b;
}

.partner-description {
    color: #64748b;
    line-height: 1.6;
    font-style: italic;
}

/* Footer */
.footer {
    background: #1e293b;
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-logo-img {
    height: 40px;
    margin-bottom: 20px;
}

.footer-description {
    color: #94a3b8;
    margin-bottom: 15px;
    line-height: 1.6;
}

.footer-project {
    color: #06B6D4;
    font-weight: 500;
}

.footer-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-details {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-detail {
    color: #94a3b8;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 30px;
    text-align: center;
}

.copyright {
    color: #94a3b8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 20px;
    }
    
    .nav-menu {
        gap: 20px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .specs-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .specs-text .section-title {
        text-align: center;
    }
    
    .specs-description {
        text-align: center;
    }
    
    .strategy-columns {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .market-strategy {
        padding: 40px 30px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .features-grid,
    .tech-grid,
    .impact-grid,
    .consortium-grid {
        grid-template-columns: 1fr;
    }
    
    .partner-card {
        padding: 30px 20px;
    }
}

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

/* Hidden class for language switching */
.hidden {
    display: none !important;
}

