/* Reset et base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(180deg, #F5F7FA 0%, #E4EBF5 100%);
    min-height: 100vh;
}

/* Variables CSS */
:root {
    --primary-color: #1A2238;
    --secondary-color: #4A90E2;
    --accent-color: #F39C12;
    --text-dark: #1A2238;
    --text-light: #6B7280;
    --background-light: #F5F7FA;
    --background-dark: #E4EBF5;
    --white: #FFFFFF;
    --shadow: 0 4px 6px rgba(26, 34, 56, 0.1);
    --shadow-hover: 0 8px 25px rgba(26, 34, 56, 0.15);
    --border-radius: 12px;
    --border-radius-small: 8px;
    --transition: all 0.3s ease;
}

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

/* Header et Navigation */
.header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: var(--transition);
}

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

.nav-logo h1 {
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 2px;
}

.nav-logo p {
    color: var(--text-light);
    font-size: 0.8rem;
    font-weight: 400;
}

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

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
    padding: 8px 16px;
    border-radius: var(--border-radius-small);
}

.nav-link:hover {
    color: var(--secondary-color);
    background: rgba(74, 144, 226, 0.1);
}

.nav-link.cta-button {
    background: var(--primary-color);
    color: var(--white);
    padding: 10px 20px;
    border-radius: var(--border-radius-small);
    font-weight: 600;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 3px 0;
    transition: var(--transition);
    border-radius: 2px;
}

/* Boutons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius-small);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    justify-content: center;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--white);
}

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

.btn-secondary {
    background: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

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

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    max-width: 300px;
}

.hero-card i {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.hero-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.hero-card p {
    color: var(--text-light);
}

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

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* Section Services */
.services {
    padding: 80px 0;
    background: var(--white);
}

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

.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(26, 34, 56, 0.05);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.service-icon i {
    font-size: 2rem;
    color: var(--white);
}

.service-card h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Section Simulateurs */
.simulateurs {
    padding: 80px 0;
    background: var(--background-light);
}

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

.simulateur-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid rgba(26, 34, 56, 0.05);
}

.simulateur-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.simulateur-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.simulateur-icon i {
    font-size: 1.8rem;
    color: var(--white);
}

.simulateur-card h3 {
    color: var(--primary-color);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.simulateur-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.btn-simulateur {
    background: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 12px 24px;
    border-radius: var(--border-radius-small);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
}

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

/* Section Contact */
.contact {
    padding: 80px 0;
    background: var(--white);
}

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

.contact-info h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.contact-info p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.contact-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-feature {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-feature i {
    color: var(--accent-color);
    font-size: 1.2rem;
}

.contact-feature span {
    color: var(--text-dark);
    font-weight: 500;
}

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

.contact-note {
    margin-top: 1rem;
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Footer */
.footer {
    background: var(--primary-color);
    color: var(--white);
    padding: 3rem 0 1rem;
}

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    font-weight: 600;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

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

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

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--white);
}

.footer-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.footer-link:hover {
    color: var(--secondary-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: var(--white);
    margin: 5% auto;
    padding: 0;
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid rgba(26, 34, 56, 0.1);
}

.modal-header h2 {
    color: var(--primary-color);
    font-weight: 600;
    margin: 0;
}

.close {
    color: var(--text-light);
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
}

.close:hover {
    color: var(--primary-color);
}

.modal-body {
    padding: 2rem;
}

/* Formulaires des simulateurs */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.form-group input,
.form-group select {
    padding: 12px 16px;
    border: 2px solid rgba(26, 34, 56, 0.1);
    border-radius: var(--border-radius-small);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.btn-calculate {
    background: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 14px 28px;
    border-radius: var(--border-radius-small);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
    margin: 1.5rem 0;
}

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

.preview-container {
    background: var(--background-light);
    padding: 1.5rem;
    border-radius: var(--border-radius-small);
    margin: 1.5rem 0;
    border-left: 4px solid var(--secondary-color);
}

/* Résultats des simulateurs */
#assurance-vie-results,
#investissement-locatif-results,
#location-meublee-nue-results,
#comparatif-sci-results,
#fiscalite-revenus-fonciers-results,
#ifi-results,
#donation-results,
#comparatif-enveloppes-results {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-top: 2rem;
}

/* Styles pour les tableaux de résultats dans les modals */
#assurance-vie-results table,
#investissement-locatif-results table,
#location-meublee-nue-results table,
#comparatif-sci-results table,
#fiscalite-revenus-fonciers-results table,
#ifi-results table,
#donation-results table,
#comparatif-enveloppes-results table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

#assurance-vie-results th,
#investissement-locatif-results th,
#location-meublee-nue-results th,
#comparatif-sci-results th,
#fiscalite-revenus-fonciers-results th,
#ifi-results th,
#donation-results th,
#comparatif-enveloppes-results th,
#assurance-vie-results td,
#investissement-locatif-results td,
#location-meublee-nue-results td,
#comparatif-sci-results td,
#fiscalite-revenus-fonciers-results td,
#ifi-results td,
#donation-results td,
#comparatif-enveloppes-results td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid rgba(26, 34, 56, 0.1);
}

#assurance-vie-results th,
#investissement-locatif-results th,
#location-meublee-nue-results th,
#comparatif-sci-results th,
#fiscalite-revenus-fonciers-results th,
#ifi-results th,
#donation-results th,
#comparatif-enveloppes-results th {
    background: var(--primary-color);
    color: var(--white);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

#assurance-vie-results tr:hover,
#investissement-locatif-results tr:hover,
#location-meublee-nue-results tr:hover,
#comparatif-sci-results tr:hover,
#fiscalite-revenus-fonciers-results tr:hover,
#ifi-results tr:hover,
#donation-results tr:hover,
#comparatif-enveloppes-results tr:hover {
    background: rgba(74, 144, 226, 0.05);
}

#assurance-vie-results td:first-child,
#investissement-locatif-results td:first-child,
#location-meublee-nue-results td:first-child,
#comparatif-sci-results td:first-child,
#fiscalite-revenus-fonciers-results td:first-child,
#ifi-results td:first-child,
#donation-results td:first-child,
#comparatif-enveloppes-results td:first-child {
    font-weight: 600;
    color: var(--primary-color);
}

/* Styles pour les cartes de résultats dans les modals */
#assurance-vie-results .result-card,
#investissement-locatif-results .result-card,
#location-meublee-nue-results .result-card,
#comparatif-sci-results .result-card,
#fiscalite-revenus-fonciers-results .result-card,
#ifi-results .result-card,
#donation-results .result-card,
#comparatif-enveloppes-results .result-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin: 1rem 0;
    border-left: 4px solid var(--secondary-color);
}

#assurance-vie-results .result-card h3,
#investissement-locatif-results .result-card h3,
#location-meublee-nue-results .result-card h3,
#comparatif-sci-results .result-card h3,
#fiscalite-revenus-fonciers-results .result-card h3,
#ifi-results .result-card h3,
#donation-results .result-card h3,
#comparatif-enveloppes-results .result-card h3 {
    color: var(--primary-color);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

#assurance-vie-results .result-value,
#investissement-locatif-results .result-value,
#location-meublee-nue-results .result-value,
#comparatif-sci-results .result-value,
#fiscalite-revenus-fonciers-results .result-value,
#ifi-results .result-value,
#donation-results .result-value,
#comparatif-enveloppes-results .result-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin: 0.5rem 0;
}

#assurance-vie-results .result-label,
#investissement-locatif-results .result-label,
#location-meublee-nue-results .result-label,
#comparatif-sci-results .result-label,
#fiscalite-revenus-fonciers-results .result-label,
#ifi-results .result-label,
#donation-results .result-label,
#comparatif-enveloppes-results .result-label {
    color: var(--text-light);
    font-size: 0.9rem;
    font-weight: 500;
}

/* Styles pour les conseils dans les modals */
#assurance-vie-results .advice-section,
#investissement-locatif-results .advice-section,
#location-meublee-nue-results .advice-section,
#comparatif-sci-results .advice-section,
#fiscalite-revenus-fonciers-results .advice-section,
#ifi-results .advice-section,
#donation-results .advice-section,
#comparatif-enveloppes-results .advice-section {
    background: linear-gradient(135deg, var(--background-light), var(--background-dark));
    padding: 2rem;
    border-radius: var(--border-radius);
    margin: 2rem 0;
    border-left: 4px solid var(--accent-color);
}

#assurance-vie-results .advice-section h3,
#investissement-locatif-results .advice-section h3,
#location-meublee-nue-results .advice-section h3,
#comparatif-sci-results .advice-section h3,
#fiscalite-revenus-fonciers-results .advice-section h3,
#ifi-results .advice-section h3,
#donation-results .advice-section h3,
#comparatif-enveloppes-results .advice-section h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

#assurance-vie-results .advice-section h3 i,
#investissement-locatif-results .advice-section h3 i,
#location-meublee-nue-results .advice-section h3 i,
#comparatif-sci-results .advice-section h3 i,
#fiscalite-revenus-fonciers-results .advice-section h3 i,
#ifi-results .advice-section h3 i,
#donation-results .advice-section h3 i,
#comparatif-enveloppes-results .advice-section h3 i {
    color: var(--accent-color);
}

#assurance-vie-results .advice-section p,
#investissement-locatif-results .advice-section p,
#location-meublee-nue-results .advice-section p,
#comparatif-sci-results .advice-section p,
#fiscalite-revenus-fonciers-results .advice-section p,
#ifi-results .advice-section p,
#donation-results .advice-section p,
#comparatif-enveloppes-results .advice-section p {
    color: var(--text-dark);
    line-height: 1.6;
    margin-bottom: 1rem;
}

#assurance-vie-results .advice-section ul,
#investissement-locatif-results .advice-section ul,
#location-meublee-nue-results .advice-section ul,
#comparatif-sci-results .advice-section ul,
#fiscalite-revenus-fonciers-results .advice-section ul,
#ifi-results .advice-section ul,
#donation-results .advice-section ul,
#comparatif-enveloppes-results .advice-section ul {
    margin-left: 1.5rem;
    color: var(--text-dark);
}

#assurance-vie-results .advice-section li,
#investissement-locatif-results .advice-section li,
#location-meublee-nue-results .advice-section li,
#comparatif-sci-results .advice-section li,
#fiscalite-revenus-fonciers-results .advice-section li,
#ifi-results .advice-section li,
#donation-results .advice-section li,
#comparatif-enveloppes-results .advice-section li {
    margin-bottom: 0.5rem;
}

/* Styles pour les boutons d'action dans les modals */
#assurance-vie-results .btn-action,
#investissement-locatif-results .btn-action,
#location-meublee-nue-results .btn-action,
#comparatif-sci-results .btn-action,
#fiscalite-revenus-fonciers-results .btn-action,
#ifi-results .btn-action,
#donation-results .btn-action,
#comparatif-enveloppes-results .btn-action {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--primary-color);
    color: var(--white);
    padding: 12px 24px;
    border-radius: var(--border-radius-small);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    margin: 1rem 0.5rem 1rem 0;
    border: none;
    cursor: pointer;
}

#assurance-vie-results .btn-action:hover,
#investissement-locatif-results .btn-action:hover,
#location-meublee-nue-results .btn-action:hover,
#comparatif-sci-results .btn-action:hover,
#fiscalite-revenus-fonciers-results .btn-action:hover,
#ifi-results .btn-action:hover,
#donation-results .btn-action:hover,
#comparatif-enveloppes-results .btn-action:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

/* Responsive pour les résultats dans les modals */
@media (max-width: 768px) {
    #assurance-vie-results,
    #investissement-locatif-results,
    #location-meublee-nue-results,
    #comparatif-sci-results,
    #fiscalite-revenus-fonciers-results,
    #ifi-results,
    #donation-results,
    #comparatif-enveloppes-results {
        padding: 1.5rem;
    }

    #assurance-vie-results table,
    #investissement-locatif-results table,
    #location-meublee-nue-results table,
    #comparatif-sci-results table,
    #fiscalite-revenus-fonciers-results table,
    #ifi-results table,
    #donation-results table,
    #comparatif-enveloppes-results table {
        font-size: 0.9rem;
    }

    #assurance-vie-results th,
    #investissement-locatif-results th,
    #location-meublee-nue-results th,
    #comparatif-sci-results th,
    #fiscalite-revenus-fonciers-results th,
    #ifi-results th,
    #donation-results th,
    #comparatif-enveloppes-results th,
    #assurance-vie-results td,
    #investissement-locatif-results td,
    #location-meublee-nue-results td,
    #comparatif-sci-results td,
    #fiscalite-revenus-fonciers-results td,
    #ifi-results td,
    #donation-results td,
    #comparatif-enveloppes-results td {
        padding: 0.75rem 0.5rem;
    }

    #assurance-vie-results .result-value,
    #investissement-locatif-results .result-value,
    #location-meublee-nue-results .result-value,
    #comparatif-sci-results .result-value,
    #fiscalite-revenus-fonciers-results .result-value,
    #ifi-results .result-value,
    #donation-results .result-value,
    #comparatif-enveloppes-results .result-value {
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    #assurance-vie-results table,
    #investissement-locatif-results table,
    #location-meublee-nue-results table,
    #comparatif-sci-results table,
    #fiscalite-revenus-fonciers-results table,
    #ifi-results table,
    #donation-results table,
    #comparatif-enveloppes-results table {
        font-size: 0.8rem;
    }

    #assurance-vie-results th,
    #investissement-locatif-results th,
    #location-meublee-nue-results th,
    #comparatif-sci-results th,
    #fiscalite-revenus-fonciers-results th,
    #ifi-results th,
    #donation-results th,
    #comparatif-enveloppes-results th,
    #assurance-vie-results td,
    #investissement-locatif-results td,
    #location-meublee-nue-results td,
    #comparatif-sci-results td,
    #fiscalite-revenus-fonciers-results td,
    #ifi-results td,
    #donation-results td,
    #comparatif-enveloppes-results td {
        padding: 0.5rem 0.25rem;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    /* Navigation mobile */
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow);
        padding: 2rem 0;
        gap: 1rem;
    }

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

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }

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

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }

    /* Hero section */
    .hero-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-buttons {
        justify-content: center;
    }

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

    /* Services et simulateurs */
    .services-grid,
    .simulateurs-grid {
        grid-template-columns: 1fr;
    }

    /* Contact */
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    /* Formulaires */
    .form-row {
        grid-template-columns: 1fr;
    }

    /* Modal */
    .modal-content {
        width: 95%;
        margin: 10% auto;
    }

    .modal-header {
        padding: 1rem 1.5rem;
    }

    .modal-body {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .nav-container {
        padding: 0 15px;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-title {
        font-size: 1.8rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .services,
    .simulateurs,
    .contact {
        padding: 60px 0;
    }

    .service-card,
    .simulateur-card {
        padding: 1.5rem;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.service-card,
.simulateur-card {
    animation: fadeInUp 0.6s ease-out;
}

/* Amélioration de l'accessibilité */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus visible pour l'accessibilité */
.btn:focus,
.nav-link:focus,
.simulateur-card:focus {
    outline: 2px solid var(--secondary-color);
    outline-offset: 2px;
}

/* Amélioration du contraste pour l'accessibilité */
@media (prefers-contrast: high) {
    :root {
        --text-light: #4A5568;
        --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    }
}