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

:root {
    --primary-blue: #0055A4;
    --secondary-blue: #0077CC;
    --light-blue: #E8F4FF;
    --dark-blue: #003D7A;
    --white: #FFFFFF;
    --light-gray: #F5F7FA;
    --medium-gray: #E0E6ED;
    --dark-gray: #4A5568;
    --text-dark: #2D3748;
    --success-green: #10B981;
    --border-radius: 12px;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0.1);
    touch-action: manipulation;
    overflow-x: hidden;
    margin: 0;
    padding: 0;
}

* {
    box-sizing: border-box;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* ==================== ÉLÉMENTS PSYCHOLOGIQUES ==================== */

/* Bandeau d'urgence */
.urgency-banner {
    background: linear-gradient(135deg, #FF4444 0%, #CC0000 100%);
    color: white;
    padding: 12px 20px;
    text-align: center;
    font-size: 0.95rem;
    box-shadow: 0 2px 10px rgba(255, 68, 68, 0.3);
    position: sticky;
    top: 0;
    z-index: 1000;
    animation: slideDown 0.5s ease;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

@keyframes slideDown {
    from { transform: translateY(-100%); }
    to { transform: translateY(0); }
}

.urgency-banner .container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.urgency-icon {
    font-size: 1.3rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.urgency-highlight {
    background: rgba(255, 255, 255, 0.2);
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: bold;
}

.urgency-timer {
    background: rgba(0, 0, 0, 0.3);
    padding: 4px 12px;
    border-radius: 20px;
    font-weight: 600;
    font-family: 'Courier New', monospace;
}

/* Preuve sociale mini dans le formulaire */
.social-proof-mini {
    background: linear-gradient(135deg, #E8F4FF 0%, #D0E9FF 100%);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 20px;
    border: 1px solid rgba(0, 85, 164, 0.1);
}

.live-counter {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.pulse-dot {
    width: 10px;
    height: 10px;
    background: #4CAF50;
    border-radius: 50%;
    animation: pulseDot 1.5s infinite;
    box-shadow: 0 0 0 0 rgba(76, 175, 80, 0.7);
}

@keyframes pulseDot {
    0% {
        box-shadow: 0 0 0 0 rgba(76, 175, 80, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(76, 175, 80, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(76, 175, 80, 0);
    }
}

.trust-badges-mini {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.badge-item {
    font-size: 0.85rem;
    color: var(--dark-gray);
}

/* Badge "Populaire" sur les boutons */
.badge-hot {
    position: absolute;
    top: -8px;
    right: -8px;
    background: linear-gradient(135deg, #FF6B35, #FF8C42);
    color: white;
    font-size: 0.7rem;
    padding: 3px 8px;
    border-radius: 12px;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.4);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

/* Garanties sous le formulaire */
.form-guarantees {
    display: flex;
    justify-content: space-around;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--light-gray);
}

.guarantee-item {
    font-size: 0.85rem;
    color: var(--dark-gray);
}

/* Bande de confiance */
.trust-strip {
    background: linear-gradient(135deg, #F8F9FA 0%, #FFFFFF 100%);
    padding: 25px 20px;
    border-bottom: 1px solid var(--light-gray);
}

.trust-badges {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 1000px;
    margin: 0 auto;
}

.trust-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 8px;
}

.trust-icon {
    font-size: 2rem;
}

.trust-text {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-dark);
}

/* Notifications popup (preuve sociale) */
.social-proof-popup {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    padding: 15px 20px;
    z-index: 9999;
    transform: translateX(-400px);
    opacity: 0;
    transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    max-width: 350px;
    border-left: 4px solid #4CAF50;
}

.social-proof-popup.show {
    transform: translateX(0);
    opacity: 1;
}

.popup-content {
    display: flex;
    align-items: center;
    gap: 12px;
}

.popup-icon {
    font-size: 1.8rem;
    flex-shrink: 0;
}

.popup-text {
    flex: 1;
    font-size: 0.9rem;
    line-height: 1.4;
}

.popup-text strong {
    color: var(--primary-blue);
    font-weight: 600;
}

.popup-text span {
    color: var(--dark-gray);
    font-size: 0.85rem;
}

.popup-time {
    font-size: 0.75rem;
    color: #999;
    font-style: italic;
}

/* ==================== SECTION TÉMOIGNAGES ==================== */

.testimonials-section {
    background: linear-gradient(135deg, #F8F9FA 0%, #E8F4FF 100%);
    padding: 80px 20px;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin: 50px 0;
}

.testimonial-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.testimonial-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.testimonial-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.testimonial-card:hover .testimonial-image img {
    transform: scale(1.1);
}

.testimonial-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: linear-gradient(135deg, #4CAF50, #45A049);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.4);
}

.testimonial-content {
    padding: 25px;
}

.testimonial-stars {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: #FFB800;
}

.testimonial-text {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--dark-gray);
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.testimonial-author strong {
    color: var(--primary-blue);
    font-size: 1.05rem;
}

.testimonial-author span {
    color: #999;
    font-size: 0.9rem;
}

/* Chiffres de confiance */
.trust-numbers {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin: 60px 0 40px;
    padding: 40px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.trust-number-item {
    text-align: center;
}

.trust-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.trust-label {
    font-size: 0.95rem;
    color: var(--dark-gray);
}

/* ==================== FIN SECTION TÉMOIGNAGES ==================== */

/* ==================== FIN ÉLÉMENTS PSYCHOLOGIQUES ==================== */

/* Header Hero - Split Layout */
.hero {
    background: linear-gradient(135deg, #0055A4 0%, #0077CC 100%);
    color: #FFFFFF;
    padding: 60px 20px;
    position: relative;
    overflow: hidden;
    min-height: 600px;
    display: flex;
    align-items: center;
}

/* Logo Header */
.logo-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.site-logo {
    width: 60px;
    height: 60px;
    object-fit: contain;
    filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.2));
    animation: fadeInScale 0.6s ease;
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    letter-spacing: 0.5px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(255,255,255,0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-text-side {
    text-align: left;
}

.hero-title {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 25px;
    color: #FFFFFF;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.2rem;
    font-weight: 400;
    margin-bottom: 30px;
    color: #FFFFFF;
    line-height: 1.8;
}

.hero-benefits {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 30px;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.1rem;
    color: #FFFFFF;
}

.benefit-icon {
    font-size: 1.8rem;
}

/* Form Card in Hero */
.form-card-hero {
    background: #FFFFFF;
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideInRight 0.6s ease-out;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.form-card-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 10px;
    text-align: center;
}

.form-card-subtitle {
    font-size: 1rem;
    color: var(--dark-gray);
    margin-bottom: 25px;
    text-align: center;
}

.quick-products {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.quick-product-btn {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 18px 25px;
    background: var(--white);
    border: 2px solid var(--light-blue);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-blue);
    position: relative;
}

.quick-product-btn:hover {
    background: linear-gradient(135deg, #FFFFFF 0%, #F0F7FF 100%);
    border-color: var(--primary-blue);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 85, 164, 0.15);
}

.quick-product-btn.active {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border-color: var(--primary-blue);
    color: var(--white);
    box-shadow: 0 8px 20px rgba(0, 85, 164, 0.3);
}

.quick-product-btn.active::after {
    content: '✓';
    position: absolute;
    right: 15px;
    font-size: 1.2rem;
}

.quick-icon {
    font-size: 2rem;
}

.quick-name {
    flex: 1;
    text-align: left;
}

/* Responsive Mobile */
@media (max-width: 968px) {
    .hero {
        padding: 40px 15px;
        min-height: auto;
    }
    
    .hero-split {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .hero-text-side {
        text-align: center;
        order: 2;
    }
    
    .hero-form-side {
        order: 1;
    }
    
    .hero-benefits {
        align-items: center;
        display: none; /* Caché sur mobile pour focus sur formulaire */
    }
    
    .hero-title {
        font-size: 1.8rem;
        line-height: 1.3;
        margin-bottom: 15px;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 20px;
    }
    
    .form-card-hero {
        padding: 25px 20px;
        border-radius: 12px;
    }
    
    .form-card-title {
        font-size: 1.5rem;
    }
    
    .quick-product-btn {
        padding: 15px 20px;
        font-size: 1rem;
    }
    
    .quick-icon {
        font-size: 1.5rem;
    }
    
    /* Sections */
    .section-title {
        font-size: 1.8rem;
        margin-bottom: 20px;
    }
    
    .section-intro {
        font-size: 1rem;
    }
    
    /* Grilles responsive */
    .advantages-grid,
    .installation-grid,
    .products-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .advantage-card,
    .installation-card {
        padding: 25px;
    }
    
    /* Formulaire */
    .form-container {
        padding: 25px 20px;
    }
    
    .form-step {
        padding: 20px 15px;
    }
    
    .option-btn {
        padding: 15px;
        font-size: 0.95rem;
    }
    
    .input-group input {
        padding: 12px;
        font-size: 1rem;
    }
    
    /* Boutons */
    .btn {
        padding: 14px 28px;
        font-size: 1rem;
    }
    
    .btn-large {
        padding: 16px 32px;
        font-size: 1.1rem;
    }
    
    /* Aides cards */
    .aides-grid {
        grid-template-columns: 1fr;
    }
    
    .aide-detail-card {
        padding: 25px 20px;
    }
    
    /* Info section */
    .info-content {
        flex-direction: column;
        gap: 30px;
    }
    
    .info-text {
        font-size: 0.95rem;
    }
    
    .info-text h3 {
        font-size: 1.3rem;
    }
    
    .check-list li {
        font-size: 0.9rem;
        padding-left: 25px;
    }
    
    /* Product info section */
    .product-info-section {
        padding: 40px 15px;
    }
    
    .product-info-grid {
        gap: 15px;
        width: 100%;
    }
    
    .product-info-card {
        padding: 25px 20px;
        width: 100%;
        max-width: 100%;
        overflow: hidden;
    }
    
    .product-info-icon {
        font-size: 2rem;
    }
    
    .product-info-header h3 {
        font-size: 1.2rem;
        word-wrap: break-word;
        line-height: 1.4;
    }
    
    .product-info-desc {
        font-size: 0.95rem;
    }
    
    .product-info-list li {
        font-size: 0.85rem;
        word-wrap: break-word;
    }
}

/* Mobile très petit (< 480px) */
@media (max-width: 480px) {
    .hero-title {
        font-size: 1.5rem;
    }
    
    .form-card-hero {
        padding: 20px 15px;
    }
    
    .form-card-title {
        font-size: 1.3rem;
    }
    
    .quick-product-btn {
        padding: 12px 15px;
        font-size: 0.95rem;
    }
    
    .section-title {
        font-size: 1.5rem;
        padding: 0 10px;
    }
    
    .advantage-card,
    .installation-card {
        padding: 20px 15px;
    }
    
    .advantage-icon,
    .install-icon {
        font-size: 2rem;
    }
    
    .btn {
        width: 100%;
        padding: 14px 20px;
    }
    
    .product-info-card {
        padding: 20px 15px;
    }
    
    .product-info-header h3 {
        font-size: 1.1rem;
        line-height: 1.4;
    }
    
    /* Éléments psychologiques mobile */
    .urgency-banner {
        font-size: 0.85rem;
        padding: 10px 15px;
    }
    
    .urgency-timer {
        font-size: 0.75rem;
    }
    
    .trust-badges {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .form-guarantees {
        flex-direction: column;
        gap: 8px;
    }
    
    .social-proof-popup {
        left: 10px;
        right: 10px;
        bottom: 10px;
        max-width: calc(100% - 20px);
        font-size: 0.85rem;
    }
    
    /* Témoignages mobile */
    .testimonials-section {
        padding: 60px 20px;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .testimonial-image {
        height: 200px;
    }
    
    .trust-numbers {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        padding: 25px;
    }
    
    .trust-number {
        font-size: 2rem;
    }
    
    .trust-label {
        font-size: 0.85rem;
    }
}

.hero-arrow {
    font-size: 2rem;
    animation: bounce 2s infinite;
    position: relative;
    z-index: 1;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* Section Sélection de Produits */
.product-selection {
    padding: 80px 20px;
    background: var(--light-gray);
    display: none; /* Cachée par défaut - formulaire dans le hero */
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.product-card {
    background: var(--white);
    border: 3px solid var(--medium-gray);
    border-radius: var(--border-radius);
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-blue), var(--secondary-blue));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-blue);
}

.product-card:hover::before {
    transform: scaleX(1);
}

.product-icon {
    font-size: 5rem;
    margin-bottom: 20px;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.product-card h3 {
    font-size: 1.8rem;
    color: var(--text-dark);
    margin-bottom: 15px;
    font-weight: 700;
}

.product-description {
    color: var(--dark-gray);
    margin-bottom: 25px;
    line-height: 1.6;
    font-size: 1rem;
}

.product-benefits {
    list-style: none;
    padding: 0;
    margin: 0 0 30px 0;
    text-align: left;
}

.product-benefits li {
    padding: 10px 0;
    color: var(--text-dark);
    font-size: 1rem;
    font-weight: 500;
}

.product-card .btn {
    width: 100%;
    margin-top: auto;
}

/* Section Formulaire */
.form-section {
    padding: 60px 20px;
    background-color: var(--light-gray);
}

.form-section .back-button {
    display: inline-block;
    margin-bottom: 20px;
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.form-section .back-button:hover {
    color: var(--secondary-blue);
    transform: translateX(-5px);
}

.form-container {
    max-width: 700px;
    margin: 0 auto;
    background: var(--white);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
}

.progress-bar {
    width: 100%;
    height: 8px;
    background-color: var(--medium-gray);
    border-radius: 10px;
    margin-bottom: 10px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-blue), var(--secondary-blue));
    border-radius: 10px;
    transition: width 0.3s ease;
    width: 14.28%;
}

.progress-text {
    text-align: center;
    color: var(--dark-gray);
    font-size: 0.9rem;
    margin-bottom: 30px;
}

.form-step {
    display: none;
}

.form-step.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

/* Forcer le masquage des questions spécifiques qui ne sont pas actives */
.form-step.product-specific:not(.active) {
    display: none !important;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-question {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 30px;
    text-align: center;
    font-weight: 600;
}

/* Radio Cards */
.radio-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.radio-card {
    position: relative;
    cursor: pointer;
}

.radio-card input[type="radio"] {
    position: absolute;
    opacity: 0;
}

.card-content {
    border: 2px solid var(--medium-gray);
    border-radius: var(--border-radius);
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    background: var(--white);
}

.card-content:hover {
    border-color: var(--secondary-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.radio-card input[type="radio"]:checked + .card-content {
    border-color: var(--primary-blue);
    background-color: var(--light-blue);
    box-shadow: var(--shadow-md);
}

.icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.card-content span {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
}

/* Radio List */
.radio-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 30px;
}

.radio-item {
    position: relative;
    cursor: pointer;
    display: block;
}

.radio-item input[type="radio"] {
    position: absolute;
    opacity: 0;
}

.radio-item span {
    display: block;
    padding: 18px 24px;
    border: 2px solid var(--medium-gray);
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
    font-weight: 500;
    background: var(--white);
}

.radio-item:hover span {
    border-color: var(--secondary-blue);
    background-color: var(--light-blue);
}

.radio-item input[type="radio"]:checked + span {
    border-color: var(--primary-blue);
    background-color: var(--light-blue);
    font-weight: 600;
}

/* Input Group */
.input-group {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 30px;
}

.input-group input {
    padding: 16px 20px;
    border: 2px solid var(--medium-gray);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(0, 85, 164, 0.1);
}

.input-group input::placeholder {
    color: #A0AEC0;
}

/* Résultat d'éligibilité */
.eligibility-result {
    text-align: center;
    padding: 30px 20px;
}

.success-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--success-green), #059669);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    margin: 0 auto 25px;
    animation: scaleIn 0.5s ease;
}

@keyframes scaleIn {
    from {
        transform: scale(0);
    }
    to {
        transform: scale(1);
    }
}

.result-title {
    font-size: 1.8rem;
    color: var(--success-green);
    margin-bottom: 15px;
    font-weight: 700;
}

.result-text {
    font-size: 1.2rem;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.result-text strong {
    color: var(--primary-blue);
    font-size: 1.4rem;
}

.result-subtitle {
    color: var(--dark-gray);
    margin-bottom: 20px;
}

.result-list {
    list-style: none;
    padding: 0;
    margin: 25px 0;
    text-align: left;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.result-list li {
    padding: 12px 0;
    color: var(--text-dark);
    font-size: 1.05rem;
    font-weight: 500;
}

.result-final {
    margin-top: 25px;
    font-size: 1.1rem;
    color: var(--primary-blue);
    font-weight: 600;
}

.form-info {
    text-align: center;
    color: var(--dark-gray);
    font-size: 0.9rem;
    margin-top: 15px;
}

/* Navigation Buttons */
.form-navigation {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 30px;
}

.btn {
    padding: 14px 32px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    min-height: 44px; /* Taille minimale pour touch mobile */
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    user-select: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: var(--white);
    box-shadow: var(--shadow-sm);
}

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

.btn-primary:active {
    transform: translateY(0);
}

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

.btn-secondary:hover {
    background: var(--light-blue);
}

.btn-large {
    padding: 18px 48px;
    font-size: 1.1rem;
}

/* Section Informations Produits (sous formulaire) */
.product-info-section {
    padding: 60px 20px;
    background: linear-gradient(135deg, #F0F7FF 0%, #E8F4FF 100%);
}

.product-info-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 600px;
    margin: 0 auto;
}

.product-info-card {
    background: var(--white);
    border-radius: 16px;
    padding: 35px;
    box-shadow: 0 4px 20px rgba(0, 85, 164, 0.1);
    transition: all 0.3s ease;
    width: 100%;
    max-width: 100%;
}

.product-info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 85, 164, 0.15);
}

.product-info-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.product-info-icon {
    font-size: 2.5rem;
}

.product-info-header h3 {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin: 0;
    line-height: 1.3;
    word-break: normal;
    hyphens: none;
}

.product-info-desc {
    font-size: 1.05rem;
    color: var(--dark-gray);
    margin-bottom: 20px;
    line-height: 1.6;
}

.product-info-list {
    list-style: none;
    padding: 0;
    margin: 0 0 25px 0;
}

.product-info-list li {
    padding: 10px 0;
    font-size: 0.95rem;
    color: var(--text-dark);
    border-bottom: 1px solid var(--light-gray);
}

.product-info-list li:last-child {
    border-bottom: none;
}

.product-info-card .btn {
    width: 100%;
    padding: 16px;
    font-size: 1.05rem;
}

/* Section Avantages */
.advantages {
    padding: 80px 20px;
    background: var(--white);
}

/* Section Aides de l'État */
.aides-etat-section {
    padding: 80px 20px;
    background: linear-gradient(135deg, #F0F7FF 0%, #E8F4FF 100%);
}

.section-intro {
    text-align: center;
    font-size: 1.1rem;
    color: var(--dark-gray);
    max-width: 800px;
    margin: 0 auto 50px;
    line-height: 1.8;
}

.aides-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 50px;
}

.aide-detail-card {
    background: var(--white);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.aide-detail-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-blue);
}

.aide-header {
    margin-bottom: 20px;
}

.aide-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: var(--white);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.aide-detail-card h3 {
    font-size: 1.4rem;
    color: var(--text-dark);
    margin-bottom: 15px;
    font-weight: 700;
}

.aide-montant {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.aide-description {
    color: var(--dark-gray);
    line-height: 1.6;
    margin-bottom: 20px;
}

.aide-conditions {
    list-style: none;
    padding: 0;
}

.aide-conditions li {
    padding: 8px 0;
    color: var(--text-dark);
    font-size: 0.95rem;
}

.cumul-aides {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--shadow-lg);
    margin-bottom: 40px;
    border: 3px solid var(--primary-blue);
}

.cumul-content h3 {
    color: var(--primary-blue);
    font-size: 1.6rem;
    margin-bottom: 25px;
    text-align: center;
}

.exemple-calcul {
    max-width: 600px;
    margin: 0 auto;
}

.calcul-ligne {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    margin-bottom: 10px;
    background: var(--light-gray);
    border-radius: 8px;
}

.calcul-ligne.aide {
    background: #D1FAE5;
    color: #065F46;
}

.calcul-ligne.total {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: var(--white);
    font-size: 1.2rem;
    margin-top: 20px;
    padding: 20px;
}

.calcul-ligne span {
    font-size: 1rem;
}

.calcul-ligne strong {
    font-size: 1.3rem;
}

.calcul-note {
    text-align: center;
    margin-top: 25px;
    font-size: 1.2rem;
    color: var(--text-dark);
}

.calcul-note strong {
    color: var(--success-green);
    font-size: 1.4rem;
}

.section-title {
    font-size: 2rem;
    text-align: center;
    color: var(--text-dark);
    margin-bottom: 50px;
    font-weight: 700;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.advantage-card {
    background: var(--light-gray);
    padding: 35px 25px;
    border-radius: var(--border-radius);
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-blue);
}

.advantage-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.advantage-card h3 {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 10px;
    font-weight: 700;
}

.advantage-card p {
    color: var(--dark-gray);
    font-size: 1rem;
}

.cta-center {
    text-align: center;
    margin-top: 40px;
}

/* Section Info */
.info-section {
    padding: 80px 20px;
    background: var(--light-gray);
}

.info-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 50px;
    margin-bottom: 40px;
    align-items: start;
}

.info-text h3 {
    color: var(--primary-blue);
    font-size: 1.4rem;
    margin: 30px 0 15px;
    font-weight: 600;
}

.info-text p {
    margin-bottom: 20px;
    line-height: 1.8;
    color: var(--text-dark);
}

.check-list {
    list-style: none;
    margin: 20px 0;
}

.check-list li {
    padding: 12px 0;
    line-height: 1.6;
    color: var(--text-dark);
}

.check-list strong {
    color: var(--primary-blue);
}

.highlight-box {
    background: linear-gradient(135deg, var(--light-blue), #D0E8FF);
    padding: 25px;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-blue);
    margin: 30px 0;
}

.info-image {
    position: sticky;
    top: 20px;
}

.image-placeholder {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border-radius: var(--border-radius);
    padding: 60px 30px;
    text-align: center;
    color: var(--white);
    box-shadow: var(--shadow-lg);
}

.placeholder-icon {
    font-size: 5rem;
    margin-bottom: 15px;
}

.image-placeholder p {
    font-size: 1.2rem;
    font-weight: 600;
}

.info-img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    object-fit: cover;
    max-height: 500px;
}

/* Section Installation */
.installation-section {
    padding: 80px 20px;
    background: var(--white);
}

.installation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.installation-card {
    background: var(--light-gray);
    padding: 35px 25px;
    border-radius: var(--border-radius);
    text-align: center;
    transition: all 0.3s ease;
}

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

.install-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.installation-card h3 {
    font-size: 1.3rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
    font-weight: 600;
}

.installation-card p {
    color: var(--dark-gray);
    line-height: 1.6;
}

/* Section Autres Aides */
.other-aids {
    padding: 80px 20px;
    background: var(--light-gray);
}

.aids-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.aid-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: var(--border-radius);
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
    border: 2px solid var(--medium-gray);
    display: block;
}

.aid-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-blue);
}

.aid-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.aid-card h3 {
    font-size: 1.4rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
    font-weight: 600;
}

.aid-card p {
    color: var(--dark-gray);
    margin-bottom: 20px;
    line-height: 1.6;
}

.aid-link {
    color: var(--secondary-blue);
    font-weight: 600;
}

/* Footer */
.footer {
    background: var(--dark-blue);
    color: var(--white);
    padding: 40px 20px;
}

.footer-content {
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.footer-links a:hover {
    opacity: 0.8;
    text-decoration: underline;
}

.footer-copyright {
    opacity: 0.8;
    font-size: 0.9rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--white);
    padding: 50px 40px;
    border-radius: var(--border-radius);
    text-align: center;
    max-width: 500px;
    margin: 20px;
    box-shadow: var(--shadow-lg);
    animation: slideUp 0.3s ease;
}

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

.modal-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--success-green), #059669);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    margin: 0 auto 25px;
}

.modal-content h2 {
    color: var(--text-dark);
    margin-bottom: 15px;
    font-size: 1.8rem;
}

.modal-content p {
    color: var(--dark-gray);
    margin-bottom: 30px;
    line-height: 1.6;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 1.8rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .form-container {
        padding: 30px 20px;
    }

    .form-question {
        font-size: 1.3rem;
    }

    .radio-cards {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .info-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .info-image {
        position: static;
    }

    .advantages-grid,
    .installation-grid,
    .aids-grid,
    .aides-grid,
    .products-grid {
        grid-template-columns: 1fr;
    }

    .cumul-aides {
        padding: 25px 20px;
    }

    .calcul-ligne {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }

    .calcul-ligne span,
    .calcul-ligne strong {
        font-size: 1rem;
    }

    .footer-links {
        flex-direction: column;
        gap: 15px;
    }

    .form-navigation {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 60px 20px;
    }

    .logo-header {
        margin-bottom: 15px;
    }
    
    .site-logo {
        width: 50px;
        height: 50px;
    }
    
    .logo-text {
        font-size: 1.2rem;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }

    .advantages,
    .info-section,
    .installation-section,
    .other-aids,
    .aides-etat-section {
        padding: 50px 20px;
    }

    .section-intro {
        font-size: 1rem;
    }

    .aide-montant {
        font-size: 1.6rem;
    }
}