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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.7;
    color: #2c3e50;
    background: #ffffff;
}

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

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

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: #2c3e50;
}

.logo span {
    color: #3498db;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: #2c3e50;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #3498db;
}

.lang-selector {
    display: flex;
    gap: 5px;
    background: #f8f9fa;
    border-radius: 20px;
    padding: 5px;
}

.lang-btn {
    padding: 5px 12px;
    border: none;
    background: transparent;
    color: #6c757d;
    font-size: 13px;
    border-radius: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.lang-btn.active {
    background: #3498db;
    color: white;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-subtitle {
    color: #3498db;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #2c3e50;
    line-height: 1.2;
}

.hero-description {
    font-size: 1.3rem;
    color: #6c757d;
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 3rem;
}

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

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: #3498db;
}

.stat-label {
    font-size: 0.9rem;
    color: #6c757d;
    font-weight: 500;
}

/* Value Proposition */
.value-prop {
    padding: 80px 0;
    background: white;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-subtitle {
    color: #3498db;
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.2rem;
    color: #6c757d;
    max-width: 700px;
    margin: 0 auto;
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.value-card {
    background: #f8f9fa;
    padding: 2.5rem 2rem;
    border-radius: 8px;
    border-left: 4px solid #3498db;
    transition: all 0.3s ease;
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(52, 152, 219, 0.15);
}

.value-icon {
    width: 60px;
    height: 60px;
    background: #3498db;
    color: white;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.value-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.value-card p {
    color: #6c757d;
    line-height: 1.6;
}

.highlight {
    color: #3498db;
    font-weight: 600;
}

.hero-cta {
    margin-top: 3rem;
    text-align: center;
}

.hero-cta-btn {
    display: inline-block;
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    padding: 18px 36px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
    border: none;
    cursor: pointer;
}

.hero-cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(52, 152, 219, 0.4);
    background: linear-gradient(135deg, #2980b9, #1f5f8b);
}

.hero-cta-btn:active {
    transform: translateY(-1px);
}

.cta-subtext {
    margin-top: 1rem;
    font-size: 0.95rem;
    color: #6c757d;
    font-style: italic;
}

/* Problem Section */
.problem {
    padding: 80px 0;
    background: #f8f9fa;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.problem-item {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    border-left: 4px solid #e74c3c;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.problem-item h3 {
    color: #e74c3c;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.problem-item p {
    color: #6c757d;
    margin-bottom: 1rem;
}

.impact-stat {
    background: #fff5f5;
    color: #c53030;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-block;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    text-align: center;
    padding: 2rem;
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 1.5rem;
}

.feature-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.feature-card p {
    color: #6c757d;
    line-height: 1.6;
}

/* References Section */
.references {
    padding: 80px 0;
    background: #f8f9fa;
}

.references-carousel {
    overflow: hidden;
    margin-top: 3rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    padding: 2rem 0;
}

.carousel-track {
    display: flex;
    animation: scroll 30s linear infinite;
    gap: 4rem;
    align-items: center;
}

.logo-item {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 80px;
    padding: 0 2rem;
    opacity: 0.7;
    transition: all 0.3s ease;
    filter: grayscale(100%);
}

.logo-item:hover {
    opacity: 1;
    filter: grayscale(0%);
    transform: scale(1.1);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2c3e50;
    white-space: nowrap;
}

.logo-item img {
    max-height:80px;
    width:auto;
}

/* Animation keyframes - échappé pour Razor */
@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.carousel-track:hover {
    animation-play-state: paused;
}

.references-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
    text-align: center;
}

.ref-stat {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.ref-stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #3498db;
    display: block;
    margin-bottom: 0.5rem;
}

.ref-stat-label {
    color: #6c757d;
    font-weight: 500;
}

/* Security Section */
.security {
    padding: 80px 0;
    background: white;
}

.security-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.security-item {
    text-align: center;
    padding: 2rem 1rem;
}

.security-icon {
    width: 60px;
    height: 60px;
    background: #27ae60;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 1rem;
}

.security-item h3 {
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.security-item p {
    color: #6c757d;
    font-size: 0.95rem;
}

/* CTA Section */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #2c3e50, #34495e);
    color: white;
    text-align: center;
}

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

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

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

.btn {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-primary {
    background: #3498db;
    color: white;
}

.btn-primary:hover {
    background: #2980b9;
    transform: translateY(-2px);
}

.contact-info {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.2);
}

/* Footer */
footer {
    background: #2c3e50;
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-bottom: 2rem;
}

.contact-form {
    background: #34495e;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.contact-form h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #3498db;
}

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

.form-group label {
    display: block;
    color: #bdc3c7;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    background: #2c3e50;
    border: 1px solid #4a5568;
    border-radius: 6px;
    color: white;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #95a5a6;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-submit {
    background: #3498db;
    color: white;
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
}

.form-submit:hover {
    background: #2980b9;
    transform: translateY(-2px);
}

.footer-section h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #3498db;
}

.footer-section p,
.footer-section a {
    color: #bdc3c7;
    text-decoration: none;
    line-height: 1.8;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #34495e;
    color: #95a5a6;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .value-grid,
    .problem-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

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

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

/* FVD Accreditation Section */
.fvd-section {
    padding: 80px 0;
    background: white;
    border-top: 1px solid #e9ecef;
}

.fvd-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
}

.fvd-logo-container {
    text-align: center;
    background: #f8f9fa;
    padding: 3rem 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}


.fvd-logo-text {
    font-size: 1.1rem;
    font-weight: 600;
    color: #2c3e50;
    text-align: center;
}

.fvd-info h3 {
    font-size: 2.2rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.fvd-info p {
    font-size: 1.1rem;
    color: #6c757d;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.fvd-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    font-size: 0.95rem;
    margin-top: 1rem;
}

.fvd-badge::before {
    content: "✓";
    font-size: 1.2rem;
    font-weight: bold;
}

.fvd-features {
    margin-top: 2rem;
}

.fvd-feature {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 1rem;
    color: #2c3e50;
}

.fvd-feature::before {
    content: "✓";
    width: 20px;
    height: 20px;
    background: #27ae60;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: bold;
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .fvd-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .fvd-logo-container {
        order: -1;
    }
}


/* Modal de succès */
.success-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 10000;
    animation: fadeIn 0.3s ease;
}

.modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    padding: 3rem 2rem;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    text-align: center;
    max-width: 500px;
    width: 90%;
    animation: slideIn 0.3s ease;
}

.success-icon {
    width: 80px;
    height: 80px;
    background: #27ae60;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2.5rem;
    color: white;
}

.modal-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.modal-content p {
    font-size: 1.1rem;
    color: #6c757d;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.modal-close-btn {
    background: #3498db;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.modal-close-btn:hover {
    background: #2980b9;
    transform: translateY(-2px);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideIn {
    from { 
        opacity: 0;
        transform: translate(-50%, -60%);
    }
    to { 
        opacity: 1;
        transform: translate(-50%, -50%);
    }
}

/* Toast notification */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    background: #27ae60;
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    z-index: 10000;
    display: none;
    animation: toastSlideIn 0.3s ease;
}

.toast.error {
    background: #e74c3c;
}

@keyframes toastSlideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}