/* Définition des couleurs */
:root {
    --primary-color: #4FFB8A;
    --secondary-color: #1D2024;
    --background-color: #f9f9f9;
    --text-color: #333;
    --hover-color: #3cb773;
    --shadow-color: rgba(0, 0, 0, 0.1);
}

/* Styles de base */
body {
    font-family: 'Montserrat', sans-serif;
    color: var(--text-color);
    background-color: var(--background-color);
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* En-tête */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1em;
    text-align: center;
    transition: background-color 0.3s ease, color 0.3s ease;
    font-family: 'Montserrat', sans-serif;
}

header a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    margin-right: 1em;
    transition: color 0.3s ease;
}

header a:hover {
    color: var(--primary-color);
}
/* Couleurs de base du header pour les sections sombres */
.dark-header {
    background-color: #1D2024;
    color: #fff;
}

.dark-header a {
    color: #fff;
}

/* Couleurs du header pour les sections claires */
.light-header {
    background-color: #fff;
    color: #333;
}

.light-header a {
    color: #333;
}
/* Menu hamburger pour mobile */
.hamburger-menu {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger-menu span {
    height: 4px;
    width: 25px;
    background: var(--text-color);
    margin: 3px 0;
}

@media (max-width: 768px) {
    header {
        justify-content: space-between;
    }
    .hamburger-menu {
        display: flex;
    }
    nav {
        display: none;
    }
    .mobile-nav {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--secondary-color);
        text-align: center;
    }
    .mobile-nav a {
        padding: 1em;
        color: #fff;
        border-bottom: 1px solid var(--primary-color);
    }
    .mobile-nav a:hover {
        color: var(--primary-color);
    }
}

/* Section accueil */
#accueil {
    background-color: #fff;
    padding: 5em 2em;
    text-align: center;
    height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

#accueil h1 {
    color: var(--secondary-color);
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 0.5em;
}

#accueil p {
    font-size: 1.2rem;
    font-weight: 300;
    margin-bottom: 2em;
}

/* Bouton CTA */
.cta-button {
    display: inline-block;
    padding: 0.75em 1.5em;
    background-color: var(--primary-color);
    color: #fff;
    font-weight: 600;
    border-radius: 5px;
    text-transform: uppercase;
    transition: background-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
}

.cta-button:hover {
    background-color: var(--hover-color);
    transform: scale(1.05);
    box-shadow: 0 4px 12px var(--shadow-color);
}

/* Sections */
section {
    padding: 6em 2em;
}

h2 {
    font-weight: 800;
    color: var(--secondary-color);
    margin-bottom: 1rem;
    text-align: center;
    font-size: 2rem;
}

p, ul {
    font-weight: 300;
    font-size: 1rem;
    color: var(--text-color);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    text-align: center;
}

/* Section cartes (ex: Avantages, Services) */
.advantages, .services, .testimonials {
    display: flex;
    flex-wrap: wrap;
    gap: 2em;
    justify-content: center;
}

.advantage-item, .service-item, blockquote {
    flex: 1 1 calc(45% - 2em);
    background-color: #fff;
    padding: 2em;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 12px var(--shadow-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.advantage-item:hover, .service-item:hover, blockquote:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

/* Témoignages */
blockquote {
    font-style: italic;
    border-left: 5px solid var(--primary-color);
    padding: 1em 2em;
    margin: 0;
    position: relative;
}

blockquote footer {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--secondary-color);
    text-align: right;
    margin-top: 1em;
}

/* Responsive */
@media (max-width: 768px) {
    #accueil h1 {
        font-size: 2rem;
    }

    .advantages, .services, .testimonials {
        flex-direction: column;
    }

    .cta-button {
        padding: 0.5em 1em;
    }

    .expertise-images img {
        height: auto;
    }
}
/* Section Contact */
#contact {
    padding: 6em 2em;
    text-align: center;
    background-color: #fff;
}

#contact h2 {
    font-weight: 800;
    color: var(--secondary-color);
    margin-bottom: 1rem;
    font-size: 2rem;
}

.contact-info h3 {
    color: var(--secondary-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.contact-info p, .contact-info a {
    color: var(--text-color);
    font-weight: 300;
    text-decoration: none;
}

/* Formulaire de contact */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    padding: 2em;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 12px var(--shadow-color);
    text-align: left;
}

.contact-form label {
    display: block;
    margin-bottom: 0.5em;
    font-weight: 500;
    color: var(--secondary-color);
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
    width: 100%;
    padding: 0.75em;
    margin-bottom: 1.5em;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-family: 'Montserrat', sans-serif;
    font-size: 1rem;
    color: var(--text-color);
}

.contact-form textarea {
    resize: vertical;
    min-height: 100px;
}

.contact-form .cta-button {
    width: 100%;
    padding: 0.75em;
    font-size: 1rem;
}

/* Messages de succès et d'erreur */
.success-message, .error-message {
    max-width: 600px;
    margin: 1em auto;
    padding: 1em;
    border-radius: 5px;
    font-size: 1rem;
    text-align: center;
}

.success-message {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.error-message {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}
/* Section À Propos */
#apropos {
    padding: 6em 2em;
    text-align: center;
    background-color: #fff;
}

#apropos h2 {
    font-weight: 800;
    color: var(--secondary-color);
    margin-bottom: 1rem;
    font-size: 2rem;
}

#apropos p {
    font-weight: 300;
    font-size: 1rem;
    color: var(--text-color);
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto 1.5rem;
}

/* Container for portraits */
.portrait-container {
    display: flex;
    justify-content: center;
    gap: 2em;
    margin-top: 2em;
}

/* Portrait styling */
.portrait {
    text-align: center;
}

.portrait img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    box-shadow: 0 4px 12px var(--shadow-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.portrait img:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.portrait p {
    margin-top: 0.5em;
    font-weight: 600;
    color: var(--secondary-color);
    font-size: 1.1rem;
}

/* Responsive design */
@media (max-width: 768px) {
    .portrait-container {
        flex-direction: column;
        gap: 1em;
    }

    #apropos p {
        padding: 0 1em;
    }
}
/* Sections Light and Dark */
.light-section {
    background-color: #fff;
    color: var(--text-color);
}

.dark-section {
    background-color: var(--secondary-color);
    color: #fff;
}

.dark-section h2,
.dark-section p,
.dark-section ul,
.dark-section li {
    color: #fff;
}

/* Hero Content */
.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

/* Bouton CTA dans les sections sombres */
.dark-section .cta-button {
    background-color: #fff;
    color: var(--secondary-color);
}

.dark-section .cta-button:hover {
    background-color: var(--primary-color);
    color: #fff;
}

/* Section Padding and Styling */
section {
    padding: 6em 2em;
}

h2 {
    font-weight: 800;
    margin-bottom: 1rem;
    text-align: center;
    font-size: 2rem;
}

p, ul {
    font-weight: 300;
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    text-align: center;
}

/* Adjustments for Cards in Light and Dark Sections */
.advantages, .services, .testimonials {
    display: flex;
    flex-wrap: wrap;
    gap: 2em;
    justify-content: center;
}

.advantage-item, .service-item, blockquote {
    flex: 1 1 calc(45% - 2em);
    background-color: #fff;
    padding: 2em;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 12px var(--shadow-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.dark-section .advantage-item,
.dark-section .service-item,
.dark-section blockquote {
    background-color: var(--secondary-color);
    color: #fff;
}

.advantage-item:hover, .service-item:hover, blockquote:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}
/* Testimonial Slider */
.testimonials {
    overflow: hidden;
    white-space: nowrap;
    position: relative;
}

.testimonial-slider {
    display: inline-flex;
    gap: 4em;
    animation: scroll 20s linear infinite;
}

/* Fond noir par défaut pour la section Notre Expertise */
#expertise {
    height: 60vh;
    padding: 3em 2em;
    overflow: hidden;
    background-color: #1D2024;
    position: relative;
    z-index: 1;
}

/* Images débordantes */
.expertise-images {
    position: relative;
    z-index: 0;
}

/* Enlève l'effet de débordement blanc en assurant que les images dépassent bien derrière */
.column-left img:last-child,
.column-right img:last-child {
    margin-bottom: -50px;
}

/* Section suivante */
#avantages {
    position: relative;
    z-index: 2;
    background-color: #f9f9f9;
}

/* Ajout d'une transition pour un défilement fluide */
html {
    scroll-behavior: smooth;
}

.expertise-wrapper {
    display: flex;
    align-items: flex-start;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
}

/* Images container */
.expertise-images {
    display: flex;
    gap: 1em;
    height: 100%;
    margin-right: 2em;
}

/* Columns for images */
.column-left, .column-right {
    display: flex;
    flex-direction: column;
    gap: 0;
}

/* Individual image styling */
.expertise-images img {
    width: 100%;
    height: calc(100vh / 3);
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* Darker filter for images in the left column */
.column-left img {
    filter: brightness(70%);
}

/* Permet aux images de dépasser du bas de la section */
.column-left img:last-child,
.column-right img:last-child {
    margin-bottom: -50px;
}

/* Sticky content area */
.expertise-content {
    color: #fff;
    flex: 1;
    position: sticky;
    top: 0;
    height: 100vh;
    padding-top: 2em;
}

/* Section styling */
.dark-section {
    background-color: #1D2024;
    padding: 3em 0;
}

/* Animation pour la section "Notre Expertise" */
.expertise-wrapper {
    position: relative;
    overflow: hidden;
    height: 100vh;
}

.column-left, .column-right {
    display: flex;
    flex-direction: column;
    animation: scrollColumn 20s linear infinite;
}

.column-right {
    animation-duration: 30s;
}

@keyframes scrollColumn {
    0% {
        transform: translateY(0);
    }
    100% {
        transform: translateY(-100%);
    }
}

/* Style des images avec espacement */
.column-left img, .column-right img {
    height: calc(33.33vh - 20px);
    margin-bottom: 20px;
    object-fit: cover;
}