/* =========================================== */
/* 0. Variables et Réinitialisation de Base    */
/* =========================================== */
:root {
    --color-primary: #0F172A; /* Bleu foncé/Noir pour les fonds (Capture 2) */
    --color-secondary: #3B82F6; /* Bleu vif pour les CTA */
    --color-accent: #10B981; /* Vert pour les titres (Capture 2) */
    --color-dark: #1E293B; /* Noir/Gris très foncé pour les cartes d'avantages */
    --color-light-grey: #F1F5F9; /* Arrière-plan général clair */
    --color-white: #ffffff;
    --font-family: 'Poppins', sans-serif;
    --container-width: 1200px;
}

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

body {
    font-family: var(--font-family);
    color: var(--color-dark);
    line-height: 1.6;
    background-color: var(--color-light-grey);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    content-visibility: auto;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 15px;
}

/* Styles Utilitaires */
.section-title {
    font-size: 2.8em;
    font-weight: 800;
    margin-bottom: 50px;
    line-height: 1.2;
}
.section-title strong {
    color: var(--color-secondary);
}
.subtitle {
    font-size: 2em;
    margin-top: 50px;
}
.text-center { text-align: center; }
.green-text { color: var(--color-accent); }
.white-text { color: var(--color-white); }
.dark-bg-section {
    background-color: var(--color-primary);
    color: var(--color-light-grey);
    padding: 100px 0;
}

/* Boutons */
.btn {
    display: inline-block;
    padding: 15px 35px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 700;
    transition: background-color 0.3s, transform 0.2s;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-dark);
}
.btn-primary:hover {
    background-color: #0c9869;
    transform: translateY(-2px);
}
.btn-secondary {
    background-color: var(--color-dark);
    color: var(--color-white);
    width: 100%;
    text-align: center;
}
.btn-secondary:hover {
    background-color: #3f4a5b;
}


/* =========================================== */
/* 1. En-tête / Navigation                     */
/* =========================================== */
.main-header {
    background-color: var(--color-white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}
.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}
.logo {
    display: flex;
    align-items: center;
}
.logo img {
    height: 60px;
    width: auto;
}
.main-nav ul {
    list-style: none;
    display: flex;
}
.main-nav a {
    text-decoration: none;
    color: var(--color-dark);
    padding: 10px 15px;
    font-weight: 600;
    transition: color 0.3s;
}
.main-nav a:hover {
    color: var(--color-secondary);
}
.menu-toggle {
    display: none; /* Masqué sur desktop */
    background: none;
    border: none;
    font-size: 1.8em;
    color: var(--color-primary);
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

.mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(15, 23, 42, 0.98);
    z-index: 1000;
    padding: 80px 20px 20px;
    overflow-y: auto;
}

.mobile-nav.active {
    display: block;
}

.mobile-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-nav ul li {
    margin-bottom: 25px;
    text-align: center;
}

.mobile-nav ul li a {
    color: var(--color-white);
    font-size: 1.5em;
    font-weight: 600;
    text-decoration: none;
    display: block;
    padding: 15px;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
}

.mobile-nav ul li a:hover,
.mobile-nav ul li a:active {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
}

.mobile-nav .btn {
    margin: 30px auto;
    display: block;
    width: 80%;
    max-width: 300px;
}

/* =========================================== */
/* 2. Section Héro et Formulaire (Capture 1)   */
/* =========================================== */
.hero-section {
    position: relative;
    padding: 150px 0;
    min-height: 750px; 
    display: flex;
    align-items: center;
}
.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(15, 23, 42, 0.7), rgba(15, 23, 42, 0.7)), url('photos/IMG_9474-2.jpg') no-repeat center center/cover;
    z-index: -1;
}
.hero-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.text-content h1 {
    font-size: 5em;
    color: var(--color-white); 
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 30px;
}
.quote-form-wrapper {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.98), rgba(30, 41, 59, 0.95));
    padding: 40px;
    border-radius: 15px;
    width: 450px;
    max-width: 100%;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(16, 185, 129, 0.2);
    flex-shrink: 0;
}
.quote-form h3 {
    color: var(--color-accent);
    margin-bottom: 25px;
    text-align: center;
    font-size: 1.8em;
    font-weight: 700;
}
.quote-form input,
.quote-form select,
.quote-form textarea {
    width: 100%;
    padding: 16px;
    margin-bottom: 18px;
    border: 2px solid transparent;
    background-color: rgba(51, 65, 85, 0.8);
    color: var(--color-white);
    border-radius: 8px;
    font-size: 1em;
    font-family: var(--font-family);
    transition: all 0.3s ease;
    box-sizing: border-box;
}
.quote-form input:focus,
.quote-form select:focus,
.quote-form textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    background-color: rgba(51, 65, 85, 1);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}
.quote-form input::placeholder,
.quote-form textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}
.quote-form select {
    appearance: none;
    background-image: linear-gradient(45deg, transparent 50%, rgba(255,255,255,0.6) 50%),
                      linear-gradient(135deg, rgba(255,255,255,0.6) 50%, transparent 50%);
    background-position: calc(100% - 18px) calc(1em + 2px), calc(100% - 12px) calc(1em + 2px);
    background-size: 6px 6px, 6px 6px;
    background-repeat: no-repeat;
}
.quote-form select:invalid {
    color: rgba(255, 255, 255, 0.5);
}
.hp-field {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}
.quote-form textarea {
    min-height: 100px;
    resize: vertical;
}
.quote-success {
    display: none;
    margin-top: 12px;
    color: #ff0000 !important;
    font-weight: 600;
    text-align: center;
}


/* =========================================== */
/* 3. Section Avantages et Chiffres Clés       */
/* =========================================== */
.benefits-stats-section {
    padding: 80px 0 100px 0;
    text-align: center;
    background-color: var(--color-white);
}
.benefits-grid {
    display: flex;
    gap: 30px;
    margin-bottom: 80px;
    justify-content: center;
}
.benefit-card {
    flex: 1;
    min-height: 250px;
    max-width: 350px;
    border-radius: 10px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}
.dark-bg {
    background-color: var(--color-dark);
    color: var(--color-white);
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
.image-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.image-card .card-title {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: rgba(0, 0, 0, 0.6);
    color: var(--color-white);
    padding: 10px;
    font-weight: 600;
}

/* Chiffres */
.stats-grid {
    display: flex;
    justify-content: space-around;
    padding: 40px 0;
    border-top: 1px solid #e0e0e0;
}
.stat-number {
    font-size: 3.5em;
    font-weight: 800;
    color: var(--color-secondary);
    display: block;
}
.stat-label {
    font-weight: 600;
    color: var(--color-dark);
}


/* =========================================== */
/* 4. Section Services (Capture 2)             */
/* =========================================== */
.services-list-section {
    /* Utilise dark-bg-section */
    padding-top: 100px;
    padding-bottom: 100px;
}
.service-item {
    display: flex;
    align-items: center;
    gap: 50px;
    margin-bottom: 40px;
    background-color: var(--color-white); 
    color: var(--color-dark);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    padding: 20px;
}
.service-item.reverse {
    flex-direction: row-reverse; 
}
.service-image {
    flex: 1;
    max-width: 45%;
    border-radius: 10px;
    overflow: hidden;
}
.service-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    display: block;
}
.service-content {
    flex: 1;
    padding: 20px;
}
.service-content h3 {
    font-size: 2em;
    color: var(--color-primary);
    margin-bottom: 15px;
}
.service-link {
    color: var(--color-secondary);
    text-decoration: none;
    font-weight: 700;
    display: inline-block;
    margin-top: 10px;
}


/* =========================================== */
/* 5. Section Réalisations Avant/Après         */
/* =========================================== */
.realisations-section {
    padding: 80px 0;
    background-color: var(--color-light-grey);
}

.section-subtitle {
    font-size: 1.2em;
    color: #64748b;
    margin-top: -30px;
    margin-bottom: 50px;
}

.before-after-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 60px;
    margin-top: 50px;
}

.before-after-item {
    background: var(--color-white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.before-after-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.before-after-images {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    position: relative;
}

.before-after-images::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background-color: var(--color-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 20px rgba(16, 185, 129, 0.4);
    z-index: 10;
}

.image-side {
    position: relative;
    overflow: hidden;
    height: 350px;
}

.image-side img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.before-after-item:hover .image-side img {
    transform: scale(1.05);
}

.image-side .label {
    position: absolute;
    top: 20px;
    left: 20px;
    background-color: rgba(15, 23, 42, 0.9);
    color: var(--color-white);
    padding: 8px 20px;
    border-radius: 25px;
    font-weight: 700;
    font-size: 0.9em;
    letter-spacing: 1px;
    z-index: 5;
}

.image-side.before .label {
    background-color: rgba(239, 68, 68, 0.9);
}

.image-side.after .label {
    background-color: rgba(16, 185, 129, 0.9);
}

.before-after-description {
    padding: 30px;
    text-align: center;
}

.before-after-description h3 {
    font-size: 1.8em;
    color: var(--color-primary);
    margin-bottom: 15px;
    font-weight: 700;
}

.before-after-description p {
    color: #64748b;
    font-size: 1.1em;
    line-height: 1.6;
}

/* =========================================== */
/* 6. Section Zones d'Intervention             */
/* =========================================== */
.zones-section {
    padding: 80px 0;
    background-color: var(--color-white);
}

.zones-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.zone-card {
    background: var(--color-light-grey);
    padding: 35px;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.zone-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
}

.zone-card.featured {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: white;
    border: 2px solid #10B981;
}

.zone-card h3 {
    font-size: 1.6em;
    color: var(--color-primary);
    margin-bottom: 20px;
    font-weight: 700;
    border-bottom: 3px solid var(--color-accent);
    padding-bottom: 10px;
}

.zone-card.featured h3 {
    color: white;
    border-bottom-color: white;
}

.zone-card ul {
    list-style: none;
    padding: 0;
}

.zone-card ul li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
    line-height: 1.6;
}

.zone-card ul li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 700;
    font-size: 1.2em;
}

.zone-card.featured ul li:before {
    color: white;
}

.zone-card.featured ul li {
    color: rgba(255, 255, 255, 0.95);
}

/* Accordéon mobile pour zones */
.zone-toggle {
    display: none;
    width: 100%;
    background: var(--color-accent);
    color: white;
    border: none;
    padding: 12px 20px;
    margin-top: 15px;
    border-radius: 8px;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    text-align: left;
    position: relative;
    transition: background 0.3s ease;
}

.zone-toggle:after {
    content: '▼';
    position: absolute;
    right: 20px;
    transition: transform 0.3s ease;
}

.zone-toggle.active:after {
    transform: rotate(180deg);
}

.zone-toggle:hover {
    background: #059669;
}

/* Sur desktop, les communes sont toujours visibles */
.zone-communes {
    max-height: none;
    overflow: visible;
}

/* Sur mobile uniquement, appliquer l'accordéon */
@media (max-width: 600px) {
    .zone-communes {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    .zone-communes.active {
        max-height: 1000px;
    }
}

/* =========================================== */
/* Media Query 768px pour Section Services     */
/* =========================================== */
@media (max-width: 768px) {
    /* Réduction padding vertical section services */
    .services-list-section {
        padding-top: 50px;
        padding-bottom: 50px;
    }
    
    .dark-bg-section {
        padding: 50px 0;
    }
    
    /* Services - Structure verticale */
    .service-item {
        flex-direction: column;
        gap: 0;
        padding: 0;
    }
    
    .service-item.reverse {
        flex-direction: column;
    }
    
    /* Image service - hauteur limitée */
    .service-image {
        max-width: 100%;
        width: 100%;
        max-height: 280px;
        border-radius: 0;
    }
    
    .service-image img {
        height: 280px;
        max-height: 280px;
        object-fit: cover;
    }
    
    /* Contenu service */
    .service-content {
        padding: 25px 20px;
    }
    
    /* Titre h2 section plus percutant */
    .services-list-section .section-title {
        font-size: 2em;
        margin-bottom: 25px;
    }
    
    /* Sous-titre avec espacement */
    .services-list-section .section-subtitle {
        font-size: 1em;
        margin-bottom: 35px;
    }
    
    /* Titres h3 des services */
    .service-content h3 {
        font-size: 1.5em;
        margin-bottom: 15px;
    }
    
    /* Paragraphes avec espacement */
    .service-content p {
        font-size: 0.95em;
        line-height: 1.65;
        margin-bottom: 20px;
    }
    
    /* Lien CTA amélioré - plus cliquable */
    .service-link {
        display: inline-block;
        padding: 12px 24px;
        background-color: rgba(16, 185, 129, 0.1);
        border-radius: 6px;
        font-size: 0.95em;
        font-weight: 700;
        margin-top: 8px;
        transition: all 0.3s ease;
    }
    
    .service-link:hover {
        background-color: rgba(16, 185, 129, 0.2);
        transform: translateX(3px);
    }
}

.cta-zone {
    margin-top: 50px;
    text-align: center;
    padding: 30px;
    background: var(--color-light-grey);
    border-radius: 10px;
    border-left: 5px solid var(--color-accent);
}

.cta-zone p {
    font-size: 1.2em;
    margin: 0;
}

.link-primary {
    color: var(--color-secondary);
    font-weight: 700;
    text-decoration: none;
    border-bottom: 2px solid var(--color-secondary);
    transition: color 0.3s ease;
}

.link-primary:hover {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
}

.hero-subtitle {
    font-size: 1.3em;
    color: var(--color-accent);
    margin-bottom: 30px;
    font-weight: 600;
}


/* =========================================== */
/* 7. Section À Propos                         */
/* =========================================== */
.about-section {
    padding: 100px 0;
}

.about-content {
    display: flex;
    gap: 60px;
    align-items: center;
    margin-top: 50px;
}

.about-text {
    flex: 1;
}

.about-text h3 {
    color: var(--color-accent);
    font-size: 1.8em;
    margin-bottom: 20px;
    margin-top: 30px;
    font-weight: 700;
}

.about-text h3:first-child {
    margin-top: 0;
}

.about-text p {
    color: var(--color-light-grey);
    font-size: 1.1em;
    line-height: 1.8;
    margin-bottom: 25px;
}

.about-image {
    flex: 1;
    max-width: 45%;
}

.about-image img {
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.about-section .stats-grid {
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-around;
}

.about-section .stat-number {
    color: var(--color-accent);
}

.about-section .stat-label {
    color: var(--color-light-grey);
}


/* =========================================== */
/* 8. Ancienne Section Portfolio (conservée pour référence) */
/* =========================================== */
.team-portfolio-section {
    padding: 80px 0;
}

/* Carrousel */
.portfolio-carousel-container {
    overflow: hidden; 
    white-space: nowrap;
    margin-top: 50px;
    padding: 20px 0;
}

.portfolio-carousel {
    display: inline-block;
    animation: scroll-left 40s linear infinite; 
}

.portfolio-carousel img {
    display: inline-block;
    width: 250px; 
    height: 250px;
    object-fit: cover;
    margin-right: 20px;
    border-radius: 15px;
    transition: transform 0.3s ease, filter 0.3s;
    filter: brightness(0.9); 
    border: 5px solid var(--color-white); /* Bordure blanche inspirée de la capture */
}

.portfolio-carousel img:hover {
    filter: brightness(1); 
    transform: scale(1.05);
}

/* Animation de défilement infini */
@keyframes scroll-left {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}


/* =========================================== */
/* 6. Section Processus (How It Works)         */
/* =========================================== */
.process-section {
    background-color: var(--color-dark); /* Couleur de secours */
    padding: 100px 0;
}

.steps-grid {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    margin-top: 50px;
}

.step-item {
    text-align: center;
    max-width: 25%;
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 10px;
    transition: background-color 0.3s;
}
.step-item:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.step-number {
    font-size: 3em;
    font-weight: 800;
    color: var(--color-accent);
    display: block;
    margin-bottom: 10px;
}

.step-title {
    font-size: 1.3em;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 10px;
}
.step-description {
    color: #9ca3af;
}

/* =========================================== */
/* 9. Pied de Page (Footer)                    */
/* =========================================== */
.main-footer {
    padding: 40px 0;
    text-align: center;
}
.copyright-text {
    font-size: 0.9em;
    color: #9ca3af;
}


/* =========================================== */
/* 10. Media Queries (Réactivité)              */
/* =========================================== */
@media (max-width: 1024px) {
    .main-nav { display: none; }
    .header-cta { display: none; }
    .menu-toggle { display: block; }

    .hero-content {
        flex-direction: column;
        text-align: center;
    }
    .text-content h1 {
        font-size: 3.5em;
    }
    .quote-form-wrapper {
        width: 100%;
        max-width: 450px;
        margin-top: 60px;
    }

    .benefits-grid {
        flex-wrap: wrap;
    }
    .benefit-card {
        max-width: 45%; 
        min-height: 200px;
    }
    
    .stats-grid {
        flex-wrap: wrap;
    }
    .stat-item {
        width: 50%;
        margin-bottom: 30px;
    }

    .service-item,
    .service-item.reverse {
        flex-direction: column;
    }
    .service-image {
        max-width: 100%;
    }
    .service-image img {
        height: auto;
    }

    .steps-grid {
        flex-wrap: wrap;
    }
    .step-item {
        max-width: 48%;
        margin-bottom: 20px;
    }

    .about-content {
        flex-direction: column;
    }
    .about-image {
        max-width: 100%;
    }
    
    .zones-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

@media (max-width: 600px) {
    /* Header mobile - Logo dominant */
    .logo img {
        width: 180px;
        height: auto;
    }
    
    .main-header {
        position: sticky;
        top: 0;
        background: white;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        z-index: 1000;
    }
    
    .header-content {
        padding: 12px 15px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 10px;
    }
    
    /* Bouton header CTA plus compact */
    .header-cta {
        display: inline-block;
        padding: 8px 14px;
        font-size: 0.7em;
        white-space: nowrap;
        flex-shrink: 0;
        line-height: 1.2;
    }
    
    /* Menu burger plus petit */
    .menu-toggle {
        display: block;
        flex-shrink: 0;
        font-size: 1.5em;
        padding: 8px;
    }
    
    /* Zones accordéon mobile */
    .zone-toggle {
        display: block;
    }
    
    .zone-card ul {
        padding-left: 0;
    }
    
    .zone-card h3 {
        margin-bottom: 0;
    }
    
    /* Hero mobile */
    .hero-section {
        padding: 100px 0 80px;
        min-height: auto;
    }
    
    .text-content h1 {
        font-size: 2.2em !important;
        line-height: 1.2;
        margin-bottom: 20px;
    }
    
    .hero-subtitle {
        font-size: 1em;
        margin-bottom: 25px;
    }
    
    .btn.large-btn {
        font-size: 0.9em;
        padding: 12px 25px;
    }
    
    /* Formulaire mobile */
    .quote-form-wrapper {
        padding: 25px;
    }
    
    .quote-form h3 {
        font-size: 1.4em;
    }
    
    .quote-form input,
    .quote-form textarea {
        font-size: 16px; /* Évite le zoom iOS */
        padding: 14px;
    }
    
    /* Sections titres mobile */
    .section-title {
        font-size: 1.8em;
    }
    
    .section-subtitle {
        font-size: 1em;
    }
    
    /* Services mobile */
    .service-item {
        padding: 0;
        margin-bottom: 20px;
        border-radius: 12px;
        overflow: hidden;
        box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    }
    
    .service-image {
        height: 200px;
        margin-bottom: 0;
    }
    
    .service-content {
        padding: 20px;
    }
    
    .service-content h3 {
        font-size: 1.4em;
        margin-bottom: 12px;
    }
    
    .service-content p {
        font-size: 0.95em;
        line-height: 1.6;
        margin-bottom: 15px;
    }
    
    .service-link {
        font-size: 0.9em;
        padding: 10px 20px;
    }
    
    /* Zones mobile */
    .zone-card {
        padding: 20px;
    }
    
    .zone-card h3 {
        font-size: 1.3em;
    }
    
    .zone-card ul li {
        font-size: 0.95em;
    }
    
    /* Réalisations mobile */
    .before-after-item {
        margin-bottom: 30px;
    }
    
    .before-after-images {
        grid-template-columns: 1fr;
    }
    
    .image-side {
        height: 250px;
    }
    
    .before-after-images::after {
        width: 50px;
        height: 50px;
        top: 50%;
        left: 50%;
    }
    
    .before-after-description h3 {
        font-size: 1.3em;
    }
    
    /* Stats mobile */
    .stats-grid {
        display: flex;
        flex-direction: row;
        gap: 12px;
        margin-top: 25px;
        padding: 0;
    }
    
    .stat-item {
        flex: 1;
        padding: 18px 10px;
        background: rgba(16, 185, 129, 0.08);
        border-radius: 10px;
        border-top: 3px solid var(--color-accent);
        box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        text-align: center;
    }
    
    .stat-item:last-child { 
        border-bottom: none; 
    }
    
    .stat-number {
        font-size: 2em;
        margin-bottom: 5px;
        display: block;
        font-weight: 700;
    }
    
    .stat-label {
        font-size: 0.75em;
        opacity: 0.95;
        line-height: 1.3;
    }
    
    /* Steps mobile */
    .steps-grid {
        flex-direction: column;
    }
    
    .step-item {
        max-width: 100%;
        margin-bottom: 30px;
    }
    
    .step-number {
        font-size: 3em;
    }
    
    /* About mobile */
    .about-content {
        flex-direction: column;
        gap: 30px;
    }
    
    .about-image {
        order: -1;
        margin-bottom: 10px;
    }
    
    .about-image img {
        border-radius: 12px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    }
    
    .about-text {
        padding: 0;
    }
    
    .about-text h3 {
        font-size: 1.5em;
        margin-bottom: 15px;
        margin-top: 25px;
        color: var(--color-accent);
    }
    
    .about-text h3:first-of-type {
        margin-top: 0;
    }
    
    .about-text p {
        font-size: 1.05em;
        line-height: 1.7;
        margin-bottom: 20px;
    }
    
    /* CTA mobile */
    .cta-zone p {
        font-size: 1em;
    }
    
    /* Footer mobile */
    .copyright-text {
        font-size: 0.85em;
    }
    
    /* Touch targets minimum 44px */
    .btn,
    .service-link,
    .link-primary {
        min-height: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
}