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

:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #64748b;
    --accent-color: #f59e0b;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --bg-light: #d8dde2;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
}

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

/* Header et Navigation */
.header {
    background-color: var(--bg-light);
    box-shadow: var(--shadow);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

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

.logo-img {
    height: 55px; /* <-- C'est la valeur principale à ajuster */
    width: auto;  /* Permet de garder les proportions du logo */
    display: block; /* Évite les espaces indésirables sous l'image */
}

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

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    margin: 3px 0;
    transition: var(--transition);
}

/* Section Héro */
.hero {
    padding: 120px 0 80px;
    background-color: var(--bg-light);
}

.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: 3.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.7;
}

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

.btn {
    padding: 12px 24px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
    text-align: center;
    border: 2px solid transparent;
}

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

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

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

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

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

.hero-placeholder {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 4rem;
    box-shadow: var(--shadow-lg);
}

.hero-logo {
    max-width: 300px; 
    width: 100%;
    height: auto;
}

/* Sections générales */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

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

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

.service-card {
    background-color: var(--bg-white);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

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

.service-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

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

/* Section Galerie (Slider) */
.gallery {
    padding: 80px 0;
}

.gallery-slider-container {
    position: relative;
    display: flex;
    align-items: center;
    margin: 0 -15px; 
}

.gallery-grid {
    display: flex;
    gap: 1.5rem;
    overflow-x: auto; 
    scroll-behavior: smooth; 
    scrollbar-width: none; 
    -ms-overflow-style: none; 
    padding: 1rem 0;
    scroll-snap-type: x mandatory; 
}

.gallery-grid::-webkit-scrollbar {
    display: none;
}

.gallery-item {
    flex: 0 0 calc(33.333% - 1rem); 
    aspect-ratio: 4/3;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
    background-color: var(--border-color);
    scroll-snap-align: start; 
}

.gallery-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.gallery-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(255, 255, 255, 0.8);
    border: none;
    border-radius: 50%;
    width: 45px;
    height: 45px;
    font-size: 1.2rem;
    color: var(--text-dark);
    cursor: pointer;
    z-index: 10;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

#gallery-prev {
    left: 0;
}

#gallery-next {
    right: 0;
}

/* Styles pour la Lightbox (Zoom) */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    transform: scale(0.8);
    transition: transform 0.3s ease;
}

.lightbox.active .lightbox-content {
    transform: scale(1);
}

#lightbox-image {
    max-width: 100%;
    max-height: 90vh;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: -10px;
    background: none;
    border: none;
    color: white;
    font-size: 2.5rem;
    font-weight: 300;
    cursor: pointer;
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.3);
    border: none;
    color: white;
    font-size: 2rem;
    padding: 10px 15px;
    cursor: pointer;
    transition: background-color 0.2s ease;
    border-radius: 5px;
}

.lightbox-nav:hover {
    background: rgba(0, 0, 0, 0.6);
}

#lightbox-prev {
    left: -60px;
}

#lightbox-next {
    right: -60px;
}

/* Section Témoignages */
.testimonials {
    padding: 80px 0;
    background-color: var(--bg-light);
}

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

.testimonial-card {
    background-color: var(--bg-white);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.stars {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 1.5rem;
    color: var(--accent-color);
}

.testimonial-text {
    font-style: italic;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.testimonial-author h4 {
    color: var(--text-dark);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.testimonial-author span {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Section Zone de Service */
.service-area {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.area-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.area-details h3 {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.area-details p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.area-details ul {
    list-style: none;
    margin-bottom: 2rem;
}

.area-details li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 1.1rem;
    color: var(--text-dark);
}

.area-details li i {
    color: var(--primary-color);
    font-size: 1.5rem;
    width: 30px;
    text-align: center;
}

.area-cta {
    font-weight: 500;
    color: var(--text-dark);
}

.area-map {
    text-align: center;
}

.area-map i {
    font-size: 14rem;
    color: var(--primary-color);
    opacity: 0.1;
}

/* Section Contact */
.contact {
    padding: 80px 0;
}

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

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.contact-details h4 {
    color: var(--text-dark);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.contact-details p {
    color: var(--text-light);
}

.contact-form {
    background-color: var(--bg-light);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.checkbox-group-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--bg-white);
    transition: var(--transition);
}

.checkbox-group-container:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.checkbox-item label {
    margin-bottom: 0;
    font-weight: 500;
    color: var(--text-dark);
    cursor: pointer;
}

.checkbox-item input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 22px;
    height: 22px;
    border: 2px solid var(--secondary-color);
    border-radius: 4px;
    cursor: pointer;
    position: relative;
    transition: var(--transition);
    flex-shrink: 0;
}

.checkbox-item input[type="checkbox"]:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.checkbox-item input[type="checkbox"]:checked::after {
    content: '✔';
    font-size: 14px;
    color: white;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.checkbox-item input[type="checkbox"]:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Footer */
.footer {
    background-color: var(--text-dark);
    color: 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;
    color: white;
}

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

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

.footer-section a {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid var(--secondary-color);
    padding-top: 1rem;
    text-align: center;
    color: var(--text-light);
}

/* ========================================= */
/* Responsive Design */
/* ========================================= */

@media (max-width: 992px) {
    .gallery-item {
        flex: 0 0 calc(50% - 1rem); /* 2 images */
    }
}

@media (max-width: 768px) {
    /* --- C'EST ICI QUE LA MODIFICATION A ÉTÉ FAITE --- */
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--bg-light);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: var(--shadow);
        padding: 2rem 0;
        /* AJOUT: Permet au menu de défiler s'il est plus haut que l'écran */
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }

    .nav-menu.active { left: 0; }
    .nav-menu li { margin: 1rem 0; }
    .nav-toggle { display: flex; }
    .nav-toggle.active .bar:nth-child(2) { opacity: 0; }
    .nav-toggle.active .bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
    .nav-toggle.active .bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
    .hero-container { grid-template-columns: 1fr; gap: 2rem; text-align: center; }
    .hero-title { font-size: 2.5rem; }
    .hero-subtitle { font-size: 1.2rem; }
    .hero-placeholder { width: 250px; height: 250px; font-size: 3rem; }
    .section-title { font-size: 2rem; }
    .services-grid, .testimonials-grid { grid-template-columns: 1fr; }
    .contact-content { grid-template-columns: 1fr; gap: 2rem; }
    .hero-buttons { justify-content: center; }
    .btn { width: 100%; max-width: 200px; }

    /* Responsive pour la nouvelle section zone de service */
    .area-content { grid-template-columns: 1fr; gap: 3rem; text-align: center; }
    .area-details ul { display: inline-block; text-align: left; }
    .area-map { order: -1; }
    .area-map i { font-size: 10rem; }

    /* Responsive pour la galerie et lightbox */
    .gallery-item { flex: 0 0 80%; }
    .lightbox-nav { top: auto; bottom: -60px; transform: none; }
    #lightbox-prev { left: 30%; }
    #lightbox-next { right: 30%; }

    /* Améliorations pour mobile */
    .hero { padding: 100px 0 60px; }
    .hero-description { font-size: 1rem; line-height: 1.6; }
    .service-card { padding: 2rem; }
    .service-icon { width: 70px; height: 70px; font-size: 1.8rem; }
    .contact-form { padding: 2rem; }
    .form-group input, .form-group select, .form-group textarea { padding: 14px; font-size: 16px; }
    .checkbox-group-container { padding: 1.2rem; }
    .checkbox-item { gap: 1rem; }
    .checkbox-item input[type="checkbox"] { width: 24px; height: 24px; }
    .checkbox-item input[type="checkbox"]:checked::after { font-size: 16px; }
}

@media (max-width: 480px) {
    .container { padding: 0 15px; }
    .nav-container { padding: 0 15px; }
    .hero { padding: 100px 0 60px; }
    .hero-title { font-size: 2rem; }
    .hero-placeholder { width: 200px; height: 200px; font-size: 2.5rem; }
    .service-card, .testimonial-card, .contact-form { padding: 1.5rem; }
    .section-title { font-size: 1.8rem; }
    .checkbox-group-container { grid-template-columns: 1fr; }
}

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

.hero-content, .service-card, .testimonial-card, .gallery-item {
    animation: fadeInUp 0.6s ease-out;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Bouton retour en haut */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    z-index: 1000;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 25px -5px rgba(0, 0, 0, 0.2);
}

.back-to-top:active {
    transform: translateY(-1px);
}

/* Focus styles pour l'accessibilité */
button:focus,
input:focus,
select:focus,
textarea:focus,
a:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}