:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #3b82f6;
    --background-color: #f8fafc;
    --text-color: #1e293b;
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}
.center{
    position: relative;
    text-align: center;
    
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Header Styles */
header {
    text-align: center;
    margin-bottom: 3rem;
    padding: 2rem 0;
}

header h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    animation: fadeInDown 0.8s ease;
}

.tagline {
    font-size: 1.2rem;
    color: var(--text-color);
    opacity: 0.8;
    animation: fadeInUp 0.8s ease;
}

/* Upload Section */
.upload-section {
    margin-bottom: 4rem;
}

.upload-container {
    max-width: 600px;
    margin: 0 auto;
}

.upload-area {
    background: white;
    border: 2px dashed var(--primary-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
}

.upload-area i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.upload-btn {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: var(--border-radius);
    margin-top: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.upload-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

/* Steps Section */
.steps-section {
    margin-bottom: 4rem;
}

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

.step {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.step:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 12px rgba(0, 0, 0, 0.15);
}

.step-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Result Section */
.result-section {
    margin-bottom: 4rem;
}

.result-container {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

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

.stat-item {
    text-align: center;
}

.stat-item i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-item span {
    font-size: 1.5rem;
    font-weight: bold;
    display: block;
    margin-bottom: 0.5rem;
}

.download-btn {
    display: block;
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
    padding: 1rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

.download-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

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

.contact-container {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.contact-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    border-radius: var(--border-radius);
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

.contact-btn.whatsapp { background: #25D366; }
.contact-btn.email { background: #EA4335; }
.contact-btn.linkedin { background: #0A66C2; }

.contact-btn:hover {
    transform: translateY(-2px);
    opacity: 0.9;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
}

.modal-content {
    position: relative;
    background: white;
    margin: 15% auto;
    padding: 2rem;
    width: 90%;
    max-width: 500px;
    border-radius: var(--border-radius);
    animation: slideIn 0.3s ease;
}

.close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Animations */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    header h1 {
        font-size: 2rem;
    }

    .contact-container {
        flex-direction: column;
        align-items: center;
    }

    .contact-btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 50px;
    height: 50px;
    border: 3px solid rgba(37, 99, 235, 0.3);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}



/* Styles pour la vidéo démo */
.video-demo {
    text-align: center;
    margin: 2rem 0;
}

.demo-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: var(--accent-color);
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.demo-link:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

.demo-link i {
    font-size: 1.2rem;
}

/* Mise à jour des styles des étapes */
.step {
    padding: 2rem;
}

.step-details {
    text-align: left;
    margin-top: 1rem;
}

.step-main {
    font-weight: 600;
    margin-bottom: 1rem;
}

.step-substeps {
    padding-left: 1rem;
}

.step-substeps p {
    margin: 0.5rem 0;
    font-size: 0.95rem;
    color: #4b5563;
}

.step-substeps p strong {
    color: var(--primary-color);
}

/* Styles pour la section FAQ */
.faq-section {
    margin: 4rem 0;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.faq-section h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

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

.faq-category {
    background: white;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.faq-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.faq-category h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.faq-category h3 i {
    color: var(--accent-color);
}

.faq-item {
    padding: 1rem;
    background: #f8fafc;
    border-radius: var(--border-radius);
}

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

.faq-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.faq-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

.faq-list.warning li::before {
    color: #ef4444;
}

.faq-list.tips li::before {
    color: #10b981;
}

.disclaimer {
    border-left: 4px solid var(--primary-color);
    padding-left: 1rem;
}

.disclaimer p {
    margin-bottom: 1rem;
    color: #4b5563;
}

/* Responsive design pour la FAQ */
@media (max-width: 768px) {
    .faq-section {
        padding: 1rem;
    }

    .faq-container {
        grid-template-columns: 1fr;
    }

    .faq-category {
        padding: 1rem;
    }
}

/* Animation pour les éléments de la FAQ */
.faq-category {
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Styles pour les icônes de la FAQ */
.faq-category h3 i {
    font-size: 1.4rem;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(37, 99, 235, 0.1);
    border-radius: 50%;
    transition: var(--transition);
}

.faq-category:hover h3 i {
    transform: scale(1.1);
}