/* Variables CSS pour les couleurs */
:root {
    --primary-color: #007bff; /* Bleu principal */
    --secondary-color: #6c757d; /* Gris secondaire */
    --tertiary-color: #28a745; /* Vert pour CTA secondaire */
    --text-color: #333;
    --heading-color: #222;
    --background-light: #f8f9fa;
    --background-dark: #343a40;
    --white: #ffffff;
    --light-grey: #e9ecef;
}

/* Réinitialisation de base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
    scroll-behavior: smooth;
    /* Animation plus fluide pour le scroll */
    scroll-padding-top: 80px; /* Compense la hauteur du header */
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 0;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--heading-color);
    margin-bottom: 15px;
    line-height: 1.2;
}

h1 { font-size: 2.5em; }
h2 { font-size: 2.2em; }
h3 { font-size: 1.8em; }

p {
    margin-bottom: 15px;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: darken(var(--primary-color), 10%); /* Attention: darken n'est pas du CSS pur, utilisez une couleur hex manuelle */
    color: white; /* Exemple de couleur plus foncée */
}

ul {
    list-style: none;
}

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

/* Boutons */
.btn {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 5px;
    font-weight: bold;
    text-align: center;
    transition: background-color 0.3s ease, transform 0.2s ease;
    text-decoration: none;
    border: none;
    cursor: pointer;
}

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

.btn-primary:hover {
    background-color: #0056b3; /* Darker primary */
    transform: translateY(-2px);
}

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

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

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

.btn-tertiary:hover {
    background-color: #218838; /* Darker tertiary */
    transform: translateY(-2px);
}

/* Header */
.main-header {
    background-color: var(--white);
    padding: 15px 0;
    border-bottom: 1px solid var(--light-grey);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px; /* Ajout d'un padding pour les petits écrans */
}

.logo {
    font-size: 1.8em;
    font-weight: bold;
}

.logo a {
    color: var(--heading-color);
    text-decoration: none;
}

.main-nav ul {
    display: flex;
}

.main-nav ul li {
    margin-left: 25px;
}

.main-nav ul li a {
    color: var(--text-color);
    font-weight: 500;
    padding: 5px 0;
    position: relative;
}

.main-nav ul li a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -3px;
    left: 0;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.main-nav ul li a:hover::after,
.main-nav ul li a.active::after {
    width: 100%;
}

.menu-toggle {
    display: none; /* Caché par défaut sur les grands écrans */
    background: none;
    border: none;
    font-size: 1.8em;
    color: var(--heading-color);
    cursor: pointer;
}

/* Hero Section */
.hero-section {
    background: url('images/accueil.jpg') no-repeat center center/cover; /* Créez un dossier 'images' et placez-y une image */
    color: var(--white);
    text-align: center;
    padding: 100px 20px;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    position: relative;
    z-index: 1;
}

.hero-section::before { /* Pour un effet de surcouche sombre */
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.6);
    z-index: -1;
}

.hero-section h2 {
    font-size: 3.5em;
    margin-bottom: 20px;
    color: var(--white);
}

.hero-section p {
    font-size: 1.3em;
    margin-bottom: 40px;
    max-width: 800px;
    opacity: 0.9;
}

.hero-buttons .btn {
    margin: 0 10px;
}

/* Sections générales */
section {
    padding: 80px 0;
}

section:nth-of-type(even) { /* Pour alterner les couleurs de fond des sections */
    background-color: var(--background-light);
}

/* Services Preview */
.services-preview-section h3 {
    text-align: center;
    margin-bottom: 50px;
}

.service-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.service-card {
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    padding: 30px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.12);
}

.service-card .icon {
    font-size: 3em;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.service-card h4 {
    font-size: 1.5em;
    margin-bottom: 15px;
}

/* Portfolio Preview */
.portfolio-preview-section h3 {
    text-align: center;
    margin-bottom: 50px;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.portfolio-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.portfolio-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.12);
}

.portfolio-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.portfolio-item:hover img {
    transform: scale(1.05);
}

.portfolio-item .overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 123, 255, 0.85); /* Primary color avec opacité */
    color: var(--white);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    padding: 20px;
    text-align: center;
}

.portfolio-item:hover .overlay {
    opacity: 1;
}

.portfolio-item .overlay h4 {
    color: var(--white);
    margin-bottom: 10px;
    font-size: 1.6em;
}

.portfolio-item .overlay p {
    font-size: 1.1em;
    margin-bottom: 20px;
}

.portfolio-item .btn-view {
    display: inline-block;
    padding: 8px 18px;
    background-color: var(--white);
    color: var(--primary-color);
    border-radius: 5px;
    font-weight: bold;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.portfolio-item .btn-view:hover {
    background-color: var(--light-grey);
}

/* Footer */
.main-footer {
    background-color: var(--background-dark);
    color: var(--white);
    padding: 30px 0;
    text-align: center;
    font-size: 0.9em;
}

.main-footer .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.footer-links a {
    color: var(--white);
    margin: 0 10px;
    transition: color 0.3s ease;
}

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


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

.contact-section h2 {
    text-align: center;
    margin-bottom: 20px;
}

.section-description {
    text-align: center;
    font-size: 1.2em;
    margin-bottom: 50px;
    color: var(--secondary-color);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 50px;
    margin-top: 40px;
}

.contact-info {
    background-color: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.contact-info h3 {
    margin-bottom: 30px;
    color: var(--heading-color);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 25px;
    padding: 15px 0;
    border-bottom: 1px solid var(--light-grey);
}

.contact-item:last-child {
    border-bottom: none;
}

.contact-item i {
    font-size: 1.5em;
    color: var(--primary-color);
    margin-right: 15px;
    margin-top: 5px;
    width: 20px;
}

.contact-item h4 {
    margin-bottom: 5px;
    color: var(--heading-color);
}

.contact-item p {
    margin: 0;
    color: var(--text-color);
}

.contact-form {
    background-color: var(--white);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.contact-form h3 {
    margin-bottom: 30px;
    color: var(--heading-color);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--heading-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--light-grey);
    border-radius: 5px;
    font-size: 1em;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

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

/* FAQ Section */
.faq-section {
    background-color: var(--background-light);
    padding: 80px 0;
}

.faq-section h3 {
    text-align: center;
    margin-bottom: 50px;
}

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

.faq-item {
    background-color: var(--white);
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.faq-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.12);
}

.faq-item h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.2em;
}

.faq-item p {
    color: var(--text-color);
    line-height: 1.6;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container{
        padding: 0;
    }
    .main-nav {
        display: none; /* Cacher la navigation principale par défaut */
        flex-direction: column;
        width: 100%;
        position: absolute;
        top: 70px; /* Ajuster selon la hauteur de votre header */
        left: 0;
        background-color: var(--white);
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
        padding: 20px 0;
    }

    .main-nav.active {
        display: flex; /* Afficher la navigation quand la classe active est présente */
    }

    .main-nav ul {
        flex-direction: column;
        width: 100%;
    }

    .main-nav ul li {
        margin: 10px 0;
        text-align: center;
    }

    .menu-toggle {
        display: block; /* Afficher le bouton bascule */
    }

    .hero-section h2 {
        font-size: 2.5em;
    }

    .hero-section p {
        font-size: 1.1em;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .hero-buttons .btn {
        width: 80%; /* Pour que les boutons prennent plus de place sur mobile */
        max-width: 300px;
    }

    .service-cards {
        grid-template-columns: 1fr; /* Une seule colonne sur mobile */
    }

    .portfolio-grid {
        grid-template-columns: 1fr; /* Une seule colonne sur mobile */
    }

    /* Contact responsive */
    .contact-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .contact-info,
    .contact-form {
        padding: 20px;
    }

    .faq-grid {
        grid-template-columns: 1fr;
    }
}

/* Grille des services détaillés (nos-services.html) */
.service-detail-section {
    padding: 80px 0;
}

.service-detail-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
    align-items: stretch;
    margin-top: 40px;
}

.service-detail-card {
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    padding: 40px 30px 30px 30px;
    flex: 1 1 320px;
    max-width: 400px;
    min-width: 280px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
}

.service-detail-card:hover {
    transform: translateY(-10px) scale(1.03);
    box-shadow: 0 8px 32px rgba(0,0,0,0.13);
}

.service-detail-card .icon {
    font-size: 2.5em;
    color: var(--primary-color);
    margin-bottom: 18px;
}

.service-detail-card h3 {
    margin-bottom: 15px;
    color: var(--heading-color);
    font-size: 1.4em;
}

.service-detail-card p {
    margin-bottom: 18px;
    color: var(--text-color);
    font-size: 1.05em;
}

.service-detail-card p strong {
    display: block;
    margin-top: 16px;
}

.service-detail-card ul {
    margin-left: 18px;
    margin-bottom: 0;
    color: var(--secondary-color);
    font-size: 0.98em;
    padding-left: 0;
}

.service-detail-card ul li {
    margin-bottom: 8px;
    list-style: disc inside;
}

.service-detail-card .btn {
    margin-top: auto;
    margin-bottom: 20px;
    align-self: stretch;
    text-align: center;
}

@media (max-width: 900px) {
    .service-detail-grid {
        flex-direction: column;
        align-items: center;
    }
    .service-detail-card {
        max-width: 100%;
        width: 100%;
    }
}

/* Responsive pour la section Nos services (service-detail-grid) */
@media (max-width: 900px) {
    .service-detail-grid {
        flex-direction: column;
        align-items: center;
        gap: 24px;
    }
    .service-detail-card {
        max-width: 100%;
        width: 100%;
        min-width: 0;
    }
    .service-detail-card ul{
        margin-bottom: 20px;
    }
    .hero-buttons .btn{
        margin-bottom: 20px;
    }
}

@media (max-width: 600px) {
    .service-detail-section {
        padding: 40px 0;
    }
    .service-detail-grid {
        flex-direction: column;
        align-items: stretch;
        gap: 16px;
        padding: 0 8px;
    }
    .service-detail-card {
        padding: 24px 12px 16px 12px;
        border-radius: 8px;
        box-shadow: 0 2px 8px rgba(0,0,0,0.08);
        font-size: 0.98em;
        min-width: 0;
        max-width: 100%;
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: flex-start;
    }
    .service-detail-card .btn {
        font-size: 1em;
        padding: 12px 0;
        margin-bottom: 0;
    }
    .service-detail-card h3 {
        font-size: 1.1em;
    }
    .service-detail-card .icon {
        font-size: 2em;
    }
    .service-detail-card ul {
        font-size: 0.95em;
    }
}

.services-detail-section h2 {
    text-align: center;
}