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

body {
    font-family: 'Open Sans', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

/* Language Switch in Navigation */
.lang-switch {
    background: rgba(255, 255, 255, 0.1) !important;
    border: 1px solid rgba(255, 255, 255, 0.3) !important;
    border-radius: 15px !important;
    padding: 5px 12px !important;
    font-size: 0.85rem !important;
    font-weight: 600 !important;
    transition: all 0.3s ease !important;
}

.lang-switch:hover {
    background: rgba(255, 255, 255, 0.2) !important;
    border-color: rgba(255, 255, 255, 0.5) !important;
    transform: translateY(-1px) !important;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.8) 0%, rgba(173, 216, 230, 0.8) 100%);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar.scrolled {
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.4) 0%, rgba(173, 216, 230, 0.4) 100%);
}

.navbar.scroll-stopped {
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.6) 0%, rgba(173, 216, 230, 0.6) 100%);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.nav-logo h2 {
    color: #ffffff;
    font-weight: 700;
    font-size: 1.5rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

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

.nav-link {
    text-decoration: none;
    color: #ffffff;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.nav-link:hover {
    color: #e8f4f8;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #ffffff;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

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

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

/* Hero Section */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
}

.slide.active {
    opacity: 1;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-slide {
    width: 100%;
    height: 100%;
    position: relative;
}

.video-slide iframe {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

.hero-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 3;
    text-align: center;
    color: white;
    padding: 2rem;
    background: rgba(0, 0, 0, 0.6);
    border-radius: 10px;
    backdrop-filter: blur(10px);
    max-width: 700px;
    width: 80%;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.7);
    line-height: 1.6;
}

.hero-btn, .cta-button {
    display: inline-block;
    background: #3498db;
    color: white;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 1rem;
}

.hero-btn:hover, .cta-button:hover {
    background: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

a {
    color: white;             /* White color for unvisited links */
    font-weight: bold;        /* Bold text */
    text-decoration: none;
}

a:visited {
    color: #e6e6e6;
    style: none;
}

/* Slider Controls - Hidden */
.slider-controls {
    display: none;
}

.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    gap: 10px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid rgba(52, 152, 219, 0.3);
}

.dot.active {
    background: #3498db;
    transform: scale(1.2);
    border-color: rgba(255, 255, 255, 0.8);
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.4);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h3 {
    color: #3498db;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-header h2 {
    font-size: 2.5rem;
    color: #2c3e50;
    font-weight: 700;
}

/* About Section */
.about {
    padding: 100px 0;
    background: #f8f9fa;
}

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

.about-text p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.8;
}

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

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    margin-bottom: 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 80px;
}

.feature-icon img {
    width: 60px;
    height: 60px;
    object-fit: contain;
}

.feature-card h4 {
    color: #2c3e50;
    font-size: 1.1rem;
    font-weight: 600;
}

/* Services Section */
.services {
    padding: 100px 0;
    background: white;
}

.services-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
    margin-bottom: 4rem;
}

.services-text {
    padding: 2rem 0;
}

.services-text h3 {
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.services-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
    text-align: justify;
}

.services-text p {
    margin-bottom: 2rem;
    font-size: 1.1rem;
    line-height: 1.8;
}

.services-list {
    list-style: none;
    padding: 0;
}

.services-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
    position: relative;
    padding-left: 20px;
}

.services-list li:before {
    content: '•';
    color: #3498db;
    position: absolute;
    left: 0;
    font-weight: bold;
}

.services-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    width: 100%;
    grid-column: 1 / -1;
    margin-top: 3rem;
}

.service-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    min-height: 400px;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.service-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.service-content {
    padding: 2rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.service-content h3 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
    font-size: 1.4rem;
    font-weight: 700;
}

.service-content p {
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.7;
    font-size: 1.1rem;
    flex-grow: 1;
}

.service-btn {
    display: inline-block;
    background: #3498db;
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: background 0.3s ease;
}

.service-btn:hover {
    background: #2980b9;
}

/* Additional Services */
.additional-services {
    padding: 100px 0;
    background: #f8f9fa;
}

.services-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.service-item {
    background: white;
    padding: 3rem 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.service-item:hover {
    transform: translateY(-10px);
}

.service-icon {
    font-size: 4rem;
    color: #3498db;
    margin-bottom: 1.5rem;
}

.service-item h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.service-item p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.service-link {
    color: #3498db;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.service-link:hover {
    color: #2980b9;
}

/* Portfolio Section */
.portfolio {
    padding: 100px 0;
    background: white;
}

.portfolio-content p {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
    font-size: 1.1rem;
    line-height: 1.8;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.portfolio-item:hover {
    transform: translateY(-10px);
}

.portfolio-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.portfolio-item:hover img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 1.5rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.portfolio-item:hover .portfolio-overlay {
    transform: translateY(0);
}

.portfolio-overlay h4 {
    margin-bottom: 0.5rem;
}

.portfolio-cta {
    text-align: center;
}

/* Video Container */
.video-container {
    max-width: 800px;
    margin: 2rem auto;
    padding: 0 20px;
}

.video-container video {
    width: 100%;
    height: 450px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.video-container iframe {
    width: 100%;
    height: 450px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.youtube-link {
    text-align: center;
    margin-top: 1rem;
}

.youtube-link a {
    color: #3498db;
    text-decoration: none;
    font-weight: 600;
}

.youtube-link a:hover {
    color: #2980b9;
    text-decoration: underline;
}

/* YouTube Tiles */
.youtube-tiles {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    padding: 0 20px;
}

.youtube-tile {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.youtube-tile:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.youtube-tile a {
    text-decoration: none;
    color: inherit;
    display: block;
}

.youtube-thumbnail {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.youtube-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.youtube-tile:hover .youtube-thumbnail img {
    transform: scale(1.05);
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(255, 0, 0, 0.8);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.youtube-tile:hover .play-button {
    background: rgba(255, 0, 0, 1);
    transform: translate(-50%, -50%) scale(1.1);
}

.youtube-tile h4 {
    padding: 1rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: #2c3e50;
    text-align: center;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: #f8f9fa;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h3 {
    color: #2c3e50;
    margin-bottom: 2rem;
    font-size: 1.5rem;
}

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

.contact-item i {
    color: #3498db;
    font-size: 1.2rem;
    margin-right: 1rem;
    width: 20px;
}

.contact-item a {
    color: inherit;
    text-decoration: none;
}

.contact-item a:hover {
    color: #3498db;
    text-decoration: underline;
}

.social-media {
    margin-top: 2rem;
}

.social-media h4 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: #3498db;
    color: white;
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #2980b9;
    transform: translateY(-2px);
}

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #2c3e50;
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3498db;
}

.submit-btn {
    background: #3498db;
    color: white;
    padding: 12px 30px;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease;
}

.submit-btn:hover {
    background: #2980b9;
}

/* EU Funding Section */
.eu-funding {
    padding: 60px 0;
    background: #2c3e50;
    color: white;
}

.funding-content {
    text-align: center;
}

.funding-logos {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.logo-item h4 {
    color: #3498db;
    margin-bottom: 1rem;
}

.logo-item p {
    margin-bottom: 1rem;
    line-height: 1.6;
}

.eu-flag {
    background: #003399;
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 1rem;
}

.eu-stars {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.eu-stars i {
    color: #ffcc00;
    font-size: 1.5rem;
}

.funding-details {
    list-style: none;
    text-align: left;
}

.funding-details li {
    margin-bottom: 0.5rem;
    padding-left: 20px;
    position: relative;
}

.funding-details li:before {
    content: '•';
    color: #3498db;
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* Footer */
.footer {
    background: #2c3e50;
    color: white;
    padding: 40px 0 20px;
}

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

.footer-section h3,
.footer-section h4 {
    color: #3498db;
    margin-bottom: 1rem;
}

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

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

.footer-section ul li a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #3498db;
}

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

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 35px;
    height: 35px;
    background: #3498db;
    color: white;
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: #2980b9;
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #34495e;
    color: #bdc3c7;
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-bottom a {
    color: white;
    text-decoration: none;
    font-weight: bold;
}

.footer-bottom a:hover {
    color: #ecf0f1;
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .youtube-tiles {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .services-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .services-cards {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: linear-gradient(135deg, rgba(52, 152, 219, 0.95) 0%, rgba(173, 216, 230, 0.95) 100%);
        backdrop-filter: blur(10px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 2rem;
        transition: left 0.3s ease;
    }

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

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-content {
        padding: 1.5rem;
        width: 90%;
        max-width: 500px;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
        margin-bottom: 1rem;
    }

    .about-content,
    .services-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .services-row {
        grid-template-columns: 1fr;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
    }

    .funding-logos {
        grid-template-columns: 1fr;
    }



    .container {
        padding: 0 15px;
    }

    .section-header h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-content {
        padding: 1.5rem 1rem;
        width: 90%;
        max-width: 400px;
    }
    
    .hero-content h1 {
        font-size: 2rem;
        margin-bottom: 1rem;
    }

    .hero-content p {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }
    
    .hero-btn, .cta-button {
        padding: 10px 20px;
        font-size: 0.85rem;
    }

    .nav-logo h2 {
        font-size: 1.2rem;
    }

    .contact-form {
        padding: 1.5rem;
    }
    
    .video-container iframe,
    .video-container video {
        height: 250px;
    }
    
    .youtube-tiles {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-top: 2rem;
    }
    
    .youtube-thumbnail {
        height: 180px;
    }
    
    .play-button {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .services-text h3 {
        font-size: 1.5rem;
    }
    
    .services-text p {
        font-size: 1rem;
    }
    
    .service-card img {
        height: 200px;
    }
    
    .service-card {
        min-height: 350px;
    }
    
    .service-content {
        padding: 1.5rem;
    }
    
    .service-content h3 {
        font-size: 1.2rem;
    }
    
    .service-content p {
        font-size: 1rem;
    }
}

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

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Loading Animation */
.loading {
    opacity: 0;
    animation: fadeIn 0.8s ease forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}