:root {
    --primary-color: #0066FF;
    --secondary-color: #00A3FF;
    --text-color: #333;
    --light-bg: #f8f9fa;
    --white: #ffffff;
    scroll-behavior: smooth;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
}

/* Navigation */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    background: var(--white);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.logo {
    padding: 0.5rem 0;
}

.logo img {
    height: 40px;
    width: auto;
    filter: brightness(0) saturate(100%) invert(31%) sepia(98%) saturate(1936%) hue-rotate(218deg) brightness(97%) contrast(101%);
    transition: opacity 0.3s ease;
}

.logo img:hover {
    opacity: 0.9;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--primary-color);
}

/* Hero Section */
.hero-section {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 0 1rem;
}

.hero-content {
    max-width: 800px;
}

.hero-logo {
    margin-bottom: 2rem;
}

.hero-logo-img {
    width: 300px;
    height: auto;
    filter: brightness(0) saturate(100%) invert(100%) sepia(0%) saturate(0%) hue-rotate(0deg) brightness(100%) contrast(100%);
    transition: transform 0.3s ease;
}

.hero-logo-img:hover {
    transform: scale(1.05);
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.cta-button {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    background: var(--white);
    color: var(--primary-color);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .hero-logo-img {
        width: 200px;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
}

/* Section Separator */
.section-separator {
    width: 100%;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 2rem 0;
}

.separator-line {
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, 
        rgba(255,255,255,0) 0%,
        var(--primary-color) 15%,
        var(--primary-color) 85%,
        rgba(255,255,255,0) 100%
    );
}

@media (max-width: 768px) {
    .section-separator {
        height: 60px;
        margin: 1.5rem 0;
    }
}

/* Solution Section */
.solution-section {
    padding: 5rem 5%;
    background: var(--light-bg);
}

.solution-section h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.feature-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Use Case Section */
.use-case-section {
    padding: 8rem 5%;
}

.use-case-section:nth-of-type(odd) {
    background: var(--white);
}

.use-case-section:nth-of-type(even) {
    background: var(--light-bg);
}

.use-case-section h2 {
    text-align: center;
    margin-bottom: 4rem;
    font-size: 2.5rem;
    color: var(--primary-color);
}

.use-case-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.use-case-step {
    text-align: center;
    padding: 2rem;
    position: relative;
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-weight: bold;
}

/* Technology Section */
.technology-section {
    padding: 5rem 5%;
    background: var(--white);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.tech-card {
    padding: 2rem;
    background: var(--light-bg);
    border-radius: 10px;
    transition: transform 0.3s ease;
}

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

/* Applications Section */
.applications-section {
    padding: 5rem 5%;
    background: var(--light-bg);
}

.app-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.app-card {
    padding: 2rem;
    background: var(--white);
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.app-card ul {
    list-style-position: inside;
    padding: 1rem 0;
}

.app-card li {
    margin: 0.5rem 0;
    color: var(--text-color);
}

/* Benefits Section */
.benefits-section {
    padding: 5rem 5%;
    background: var(--white);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.benefit-card {
    padding: 2rem;
    background: var(--light-bg);
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s ease;
}

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

/* AI Agents Section */
.ai-agents-section {
    padding: 5rem 5%;
    background: var(--light-bg);
}

.ai-agents-intro {
    max-width: 800px;
    margin: 0 auto 3rem;
    text-align: center;
}

.ai-agents-intro p {
    font-size: 1.2rem;
    color: var(--text-color);
}

.agents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto 4rem;
}

.agent-card {
    background: var(--white);
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 3px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.agent-card h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.agent-content h4 {
    margin-bottom: 1rem;
    color: var(--text-color);
}

.agent-content ul {
    list-style-type: none;
    padding: 0;
}

.agent-content li {
    margin: 0.8rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.agent-content li:before {
    content: "•";
    color: var(--primary-color);
    position: absolute;
    left: 0;
}

.use-case-example {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    background: var(--white);
    border-radius: 10px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.1);
}

.use-case-example h3 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

.use-case-flow {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    text-align: center;
}

.flow-step {
    padding: 1.5rem;
}

.step-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    display: block;
}

.flow-step h4 {
    color: var(--text-color);
    margin-bottom: 1rem;
}

.flow-step p {
    color: var(--text-color);
    font-size: 0.9rem;
}

/* Screenshot Section */
.screenshot-section {
    padding: 4rem 5%;
    background: var(--light-bg);
}

.screenshot-container {
    max-width: 1000px;
    margin: 0 auto;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    overflow: hidden;
    background: var(--white);
    padding: 1.5rem;
}

.screenshot-img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    display: block;
    transition: transform 0.3s ease;
    max-width: 900px;
    margin: 0 auto;
}

.screenshot-container:hover .screenshot-img {
    transform: scale(1.02);
}

@media (max-width: 768px) {
    .screenshot-section {
        padding: 3rem 5%;
    }
    
    .screenshot-container {
        padding: 1rem;
    }
}

/* Contact Section */
.contact-section {
    padding: 5rem 5%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    text-align: center;
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-content p {
    margin-bottom: 2rem;
    font-size: 1.2rem;
}

/* Footer */
footer {
    background: var(--text-color);
    color: var(--white);
    padding: 3rem 5% 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-section h4 {
    margin-bottom: 1rem;
}

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

.social-link {
    color: var(--white);
    text-decoration: none;
}

.footer-bottom {
    text-align: center;
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* Video Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal-content {
    position: relative;
    width: 90%;
    max-width: 960px;
    background: transparent;
}

.close-modal {
    position: absolute;
    top: -40px;
    right: -40px;
    color: white;
    font-size: 36px;
    font-weight: bold;
    cursor: pointer;
    z-index: 1001;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.close-modal:hover {
    transform: scale(1.1);
}

.video-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 8px;
}

@media (max-width: 768px) {
    .modal-content {
        width: 95%;
    }
    
    .close-modal {
        top: -30px;
        right: 0;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .tech-grid,
    .app-container,
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .agents-grid,
    .use-case-flow {
        grid-template-columns: 1fr;
    }
    
    .agent-card {
        margin-bottom: 1rem;
    }
    
    .visualization-container {
        grid-template-columns: 1fr;
    }
    
    .impact-workflow {
        grid-template-columns: 1fr;
    }
    
    .benefits-container {
        grid-template-columns: 1fr;
    }
    
    .use-case-section {
        padding: 6rem 5%;
    }
    
    .use-case-section h2 {
        font-size: 2rem;
        margin-bottom: 3rem;
    }
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px; /* Ajuster en fonction de la hauteur de votre header */
}