/* ============================================
   STYLES SPÉCIFIQUES POUR LA PAGE INDICES
   ============================================ */

/* Variables supplémentaires */
:root {
    --indice-1: #00d4aa;  /* Robustesse Environnementale */
    --indice-2: #0984e3;  /* Dépendance Systématique */
    --indice-3: #6c5ce7;  /* Flexibilité Personnelle */
    --indice-4: #00cec9;  /* Résilience Financière */
    --indice-5: #fd79a8;  /* Exposition Future */
    --indice-6: #fdcb6e;  /* Cohérence Mode de Vie */
    --indice-7: #e17055;  /* Exposition Chocs */
    --indice-8: #a29bfe;  /* Souveraineté Personnelle */
}

/* Page spécifique */
.indices-page {
    background: var(--dark);
}

/* Hero Section Indices */
.indices-hero {
    padding: 8rem 0 4rem;
    background: linear-gradient(135deg, 
        rgba(10, 15, 28, 0.95) 0%,
        rgba(26, 35, 50, 0.9) 100%),
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(0,212,170,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    position: relative;
    overflow: hidden;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(0, 212, 170, 0.1);
    color: var(--primary);
    padding: 0.75rem 1.5rem;
    border-radius: 2rem;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 2rem;
    border: 1px solid rgba(0, 212, 170, 0.2);
    backdrop-filter: blur(10px);
}

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

.indices-hero .hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.indices-hero .hero-subtitle {
    font-size: 1.2rem;
    color: var(--gray);
    margin-bottom: 3rem;
    line-height: 1.6;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin-top: 3rem;
}

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

.hero-stat .stat-value {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.hero-stat .stat-label {
    font-size: 1rem;
    color: var(--gray);
    font-weight: 500;
}

/* Section Indices */
.indices-section {
    padding: 4rem 0;
    background: var(--dark);
}

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

/* Carte Indice */
.indice-card {
    background: transparent;
    perspective: 1000px;
    height: 400px;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.8s;
    transform-style: preserve-3d;
    flex: 1;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
}

.indice-card:hover .card-inner {
    transform: rotateY(180deg);
}

/* Faces de la carte */
.card-front,
.card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    border-radius: var(--radius-xl);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* Face avant */
.card-front {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.indice-card:nth-child(1) .card-front {
    border-top: 4px solid var(--indice-1);
}

.indice-card:nth-child(2) .card-front {
    border-top: 4px solid var(--indice-2);
}

.indice-card:nth-child(3) .card-front {
    border-top: 4px solid var(--indice-3);
}

.indice-card:nth-child(4) .card-front {
    border-top: 4px solid var(--indice-4);
}

.indice-card:nth-child(5) .card-front {
    border-top: 4px solid var(--indice-5);
}

.indice-card:nth-child(6) .card-front {
    border-top: 4px solid var(--indice-6);
}

.indice-card:nth-child(7) .card-front {
    border-top: 4px solid var(--indice-7);
}

.indice-card:nth-child(8) .card-front {
    border-top: 4px solid var(--indice-8);
}

.indice-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin-bottom: 1.5rem;
}

.indice-number {
    font-size: 1.5rem;
    font-weight: 800;
    opacity: 0.5;
    color: var(--gray);
}

.indice-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.indice-card:nth-child(1) .indice-icon {
    background: rgba(0, 212, 170, 0.2);
    color: var(--indice-1);
}

.indice-card:nth-child(2) .indice-icon {
    background: rgba(9, 132, 227, 0.2);
    color: var(--indice-2);
}

.indice-card:nth-child(3) .indice-icon {
    background: rgba(108, 92, 231, 0.2);
    color: var(--indice-3);
}

.indice-card:nth-child(4) .indice-icon {
    background: rgba(0, 206, 201, 0.2);
    color: var(--indice-4);
}

.indice-card:nth-child(5) .indice-icon {
    background: rgba(253, 121, 168, 0.2);
    color: var(--indice-5);
}

.indice-card:nth-child(6) .indice-icon {
    background: rgba(253, 203, 110, 0.2);
    color: var(--indice-6);
}

.indice-card:nth-child(7) .indice-icon {
    background: rgba(225, 112, 85, 0.2);
    color: var(--indice-7);
}

.indice-card:nth-child(8) .indice-icon {
    background: rgba(162, 155, 254, 0.2);
    color: var(--indice-8);
}

.indice-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.4;
}

.indice-teaser {
    color: var(--gray);
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 1.5rem;
    flex: 1;
}

.hover-hint {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    background: rgba(0, 212, 170, 0.1);
    border-radius: var(--radius);
    border: 1px solid rgba(0, 212, 170, 0.2);
    animation: hintPulse 2s infinite;
}

@keyframes hintPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* Face arrière */
.card-back {
    background: var(--dark-light);
    color: white;
    transform: rotateY(180deg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: left;
    align-items: flex-start;
    justify-content: flex-start;
    overflow-y: auto;
}

.definition-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.definition-header h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary);
}

.card-back .indice-icon {
    width: 40px;
    height: 40px;
    font-size: 1rem;
}

.definition-content {
    flex: 1;
}

.definition-content p {
    color: var(--gray-light);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.definition-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: auto;
}

.tag {
    background: rgba(255, 255, 255, 0.1);
    color: var(--gray-light);
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 500;
}

/* Bouton Calculer */
.btn-calculer {
    width: 100%;
    padding: 1rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-calculer::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-calculer:hover::before {
    left: 100%;
}

/* Section Résultats */
.results-section {
    padding: 6rem 0;
    background: var(--dark-light);
}

.results-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
}

.results-chart {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    padding: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.chart-placeholder {
    text-align: center;
    color: var(--gray);
}

.chart-placeholder i {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.3;
}

.chart-placeholder p {
    font-size: 1.1rem;
}

.results-summary {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.results-summary h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--primary);
}

.summary-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.summary-item {
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.summary-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.summary-label {
    font-size: 0.9rem;
    color: var(--gray);
    margin-bottom: 0.5rem;
}

.summary-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.summary-text {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--light);
}

.summary-bar {
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
    margin-top: 0.5rem;
}

.bar-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 4px;
    transition: width 1s ease;
}

.summary-recommendations {
    background: rgba(0, 212, 170, 0.1);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(0, 212, 170, 0.2);
}

.summary-recommendations h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.summary-recommendations p {
    color: var(--gray-light);
    font-size: 0.9rem;
    line-height: 1.5;
}

.btn-calculer-tous {
    width: 100%;
    padding: 1.25rem;
    font-size: 1.1rem;
    font-weight: 600;
    margin-top: 2rem;
}

/* Section CTA */
.cta-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--dark), var(--dark-light));
    text-align: center;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.cta-subtitle {
    font-size: 1.2rem;
    color: var(--gray);
    margin-bottom: 3rem;
    line-height: 1.6;
}

.cta-actions {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.cta-features {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.cta-features .feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray-light);
    font-weight: 500;
}

.cta-features .feature i {
    color: var(--primary);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--dark-light);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 500px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    background: var(--dark);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    color: var(--gray);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.modal-body {
    padding: 2rem;
}

.modal-message {
    text-align: center;
    margin-bottom: 2rem;
}

.modal-message i {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 1rem;
    opacity: 0.8;
}

.modal-message p {
    font-size: 1.1rem;
    color: var(--gray-light);
    line-height: 1.6;
}

.modal-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.modal-actions .btn {
    flex: 1;
    justify-content: center;
}

.modal-info {
    background: rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-info p {
    font-weight: 600;
    color: var(--light);
    margin-bottom: 0.75rem;
}

.modal-info ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.modal-info li {
    color: var(--gray-light);
    padding: 0.25rem 0;
    font-size: 0.9rem;
    position: relative;
    padding-left: 1.5rem;
}

.modal-info li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 600;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .indices-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .results-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero-stats {
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .indices-grid {
        grid-template-columns: 1fr;
    }
    
    .indices-hero .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .cta-title {
        font-size: 2rem;
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .modal-content {
        margin: 1rem;
    }
    
    .modal-actions {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .indice-card {
        height: 350px;
    }
    
    .card-front,
    .card-back {
        padding: 1.5rem;
    }
    
    .indice-title {
        font-size: 1.1rem;
    }
    
    .indice-teaser {
        font-size: 0.85rem;
    }
    
    .cta-features {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }
}

/* Amélioration de l'accessibilité */
@media (prefers-reduced-motion: reduce) {
    .card-inner,
    .btn-calculer::before,
    .modal-content {
        transition: none;
        animation: none;
    }
    
    .hover-hint {
        animation: none;
    }
}

/* Mode clair optionnel */
@media (prefers-color-scheme: light) {
    .indices-page {
        background: #f8fafc;
    }
    
    .card-front {
        background: rgba(255, 255, 255, 0.8);
        border: 1px solid rgba(0, 0, 0, 0.1);
    }
    
    .card-back {
        background: white;
        color: #333;
    }
    
    .indice-title,
    .definition-header h4 {
        color: #333;
    }
    
    .indice-teaser,
    .definition-content p {
        color: #666;
    }
    
    .tag {
        background: rgba(0, 0, 0, 0.05);
        color: #666;
    }
}

/* ============================================
   NOUVEAUX STYLES POUR LES SECTIONS AJOUTÉES
   ============================================ */

/* Section Pourquoi Ces Indices */
.why-indices-section {
    padding: 6rem 0;
    background: var(--dark-light);
}

.why-content {
    max-width: 1200px;
    margin: 0 auto;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.why-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.why-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary);
}

.why-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 1.5rem;
}

.why-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--light);
}

.why-card p {
    color: var(--gray);
    font-size: 0.95rem;
    line-height: 1.6;
}

.why-cta {
    text-align: center;
    padding: 3rem;
    background: rgba(0, 212, 170, 0.1);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(0, 212, 170, 0.2);
}

.why-cta h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary);
}

.why-cta p {
    color: var(--gray-light);
    max-width: 600px;
    margin: 0 auto 2rem;
    line-height: 1.6;
}

/* Bouton CTA modifié */
.btn-cta {
    width: 100%;
    padding: 0.75rem;
    margin-top: 1rem;
    font-weight: 600;
    border-radius: var(--radius);
}

/* Section FAQ Étendue */
.faq-section-extended {
    padding: 6rem 0;
    background: var(--dark);
}

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

.faq-column {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.faq-category h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.faq-category h3 i {
    font-size: 1.1rem;
}

.faq-items {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    color: var(--light);
    padding: 1.25rem;
    text-align: left;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-question:hover {
    background: rgba(255, 255, 255, 0.03);
}

.faq-question i {
    transition: transform 0.3s ease;
    font-size: 0.9rem;
}

.faq-question.active i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 1.25rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-answer.active {
    padding: 0 1.25rem 1.25rem;
    max-height: 1000px;
}

.faq-answer p {
    color: var(--gray-light);
    line-height: 1.6;
    font-size: 0.9rem;
}

.faq-cta {
    text-align: center;
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.faq-cta p {
    color: var(--gray);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

/* Section Prochaines Étapes */
.next-steps-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--dark-light), var(--dark));
}

.steps-timeline {
    max-width: 800px;
    margin: 3rem auto 4rem;
    position: relative;
}

.steps-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 30px;
    height: 100%;
    width: 2px;
    background: rgba(255, 255, 255, 0.1);
}

.step {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    position: relative;
    align-items: flex-start;
}

.step:last-child {
    margin-bottom: 0;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.5rem;
    color: white;
    flex-shrink: 0;
    position: relative;
    z-index: 2;
    box-shadow: var(--shadow-glow);
}

.step-content {
    flex: 1;
    padding-top: 0.5rem;
}

.step-content h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--primary);
}

.step-content p {
    color: var(--gray);
    line-height: 1.6;
    font-size: 0.95rem;
}

.steps-cta {
    text-align: center;
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Styles pour les détails de définition améliorés */
.definition-details {
    margin: 1.5rem 0;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.definition-details h5 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--light);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.definition-details h5::before {
    content: '▶';
    color: var(--primary);
    font-size: 0.8rem;
}

.definition-details ul {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem 0;
}

.definition-details li {
    color: var(--gray-light);
    padding: 0.25rem 0;
    font-size: 0.85rem;
    position: relative;
    padding-left: 1.25rem;
    line-height: 1.5;
}

.definition-details li::before {
    content: '•';
    position: absolute;
    left: 0.5rem;
    color: var(--primary);
    font-weight: 600;
}

.definition-details p {
    color: var(--gray-light);
    font-size: 0.85rem;
    line-height: 1.6;
    font-style: italic;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius);
    border-left: 3px solid var(--primary);
}

/* Responsive Design pour les nouvelles sections */
@media (max-width: 768px) {
    .why-grid {
        grid-template-columns: 1fr;
    }
    
    .faq-grid-extended {
        grid-template-columns: 1fr;
    }
    
    .steps-timeline::before {
        left: 25px;
    }
    
    .step {
        gap: 1.5rem;
    }
    
    .step-number {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .steps-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .steps-cta .btn {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .why-cta {
        padding: 2rem 1rem;
    }
    
    .step {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .steps-timeline::before {
        left: 25px;
        height: calc(100% - 60px);
    }
    
    .definition-details {
        margin: 1rem 0;
    }
}