/* VARIABLES COULEURS */
:root {
    --primary-green: #1a472a; /* Vert Sombre SGDF */
    --secondary-green: #2e6b45;
    --white: #ffffff;
    --off-white: #f4f4f4;
    --black: #222222;
    --text-grey: #444444;
}

/* RESET & BASE */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth; /* Défilement fluide */
}

body {
    font-family: 'Montserrat', sans-serif;
    color: var(--black);
    background-color: var(--white);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease; /* Transition douce pour le mode sombre */
}

/* NAVBAR */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    background-color: var(--white);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: background-color 0.3s ease;
}

.logo {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--primary-green);
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    list-style: none;
    align-items: center; /* Centre verticalement les liens et le bouton */
}

.nav-links li {
    margin-left: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--black);
    font-weight: 500;
    transition: color 0.3s;
}

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

.btn-contact {
    background-color: var(--primary-green);
    color: var(--white) !important;
    padding: 0.5rem 1rem;
    border-radius: 20px;
}

.btn-contact:hover {
    background-color: var(--secondary-green);
}

.burger {
    display: none;
    cursor: pointer;
}

.burger div {
    width: 25px;
    height: 3px;
    background-color: var(--black);
    margin: 5px;
    transition: all 0.3s ease;
}

/* HERO SECTION */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(26, 71, 42, 0.8), rgba(26, 71, 42, 0.6)), url('https://images.unsplash.com/photo-1478131143081-80f7f84ca84d?auto=format&fit=crop&w=1500&q=80'); /* Image de fond forêt/camp */
    background-size: cover;
    background-position: center;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: var(--white);
    padding: 0 20px;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.cta-button {
    display: inline-block;
    margin-top: 2rem;
    padding: 1rem 2rem;
    background-color: var(--white);
    color: var(--primary-green);
    text-decoration: none;
    font-weight: bold;
    border-radius: 30px;
    transition: transform 0.3s;
}

.cta-button:hover {
    transform: scale(1.05);
}

/* GENERAL SECTIONS */
section {
    padding: 5rem 10%;
}

h2 {
    text-align: center;
    font-size: 2rem;
    color: var(--primary-green);
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.intro-text {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 4rem auto;
    color: var(--text-grey);
}

/* EXTRAJOBS (Alternance) */
.job-card {
    display: flex;
    align-items: center;
    margin-bottom: 4rem;
    gap: 3rem;
}

.job-card.reverse {
    flex-direction: row-reverse;
}

.job-text {
    flex: 1;
}

.job-text h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.job-img {
    flex: 1;
    height: 300px;
    background-color: #eee;
    background-size: cover;
    background-position: center;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

/* TEAM CAROUSEL (Swiper) */
.bg-light {
    background-color: var(--off-white);
    transition: background-color 0.3s ease;
}

.container-team-carousel {
    position: relative;
    padding: 20px 0; 
    overflow: hidden; 
}

/* Flèches Swiper */
.swiper-button-prev {
    left: 10px !important;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    width: 40px;
    height: 40px;
}

.swiper-button-prev::after {
    font-size: 1.2rem !important;
}

.swiper-button-next {
    right: 10px !important;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    width: 40px;
    height: 40px;
}

.swiper-button-next::after {
    font-size: 1.2rem !important;
}

.member-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    text-align: center;
    height: auto; 
    transition: background-color 0.3s ease, border 0.3s ease;
}

.member-photo {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    margin: 0 auto 1rem auto;
    background-size: cover;
    background-position: center;
}

.badge {
    display: inline-block;
    background-color: var(--primary-green);
    color: var(--white);
    padding: 0.2rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    margin-top: 0.5rem;
}

/* Affichage flèches au survol */
.swiper-button-next, .swiper-button-prev {
    color: var(--primary-green) !important;
    font-weight: bold;
    opacity: 0; 
    transition: opacity 0.3s ease-in-out;
}

.container-team-carousel:hover .swiper-button-next,
.container-team-carousel:hover .swiper-button-prev {
    opacity: 1;
}

/* CONTACT */
.contact-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 3rem;
    justify-content: center;
}

.contact-info, .contact-form {
    flex: 1;
    min-width: 300px;
}

.contact-form input, .contact-form textarea {
    width: 100%;
    padding: 1rem;
    margin-bottom: 1rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
    background-color: var(--white);
    color: var(--black);
}

.contact-form button {
    background-color: var(--primary-green);
    color: var(--white);
    border: none;
    padding: 1rem 2rem;
    cursor: pointer;
    border-radius: 5px;
    font-weight: bold;
}

/* FOOTER */
footer {
    background-color: var(--black);
    color: var(--white);
    text-align: center;
    padding: 2rem;
    font-size: 0.9rem;
}

/* --- BOUTON THEME SOMBRE --- */
.theme-switch button {
    background: none;
    border: 2px solid var(--black);
    color: var(--black);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 5px 10px;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.theme-switch button:hover {
    transform: rotate(15deg) scale(1.1);
}

/* --- LOGIQUE DARK MODE --- */
/* Quand le body a la classe "dark-mode", on inverse les variables */
body.dark-mode {
    --white: #121212;         /* Le fond devient très sombre */
    --off-white: #1e1e1e;     /* Le gris clair devient gris foncé */
    --black: #f0f0f0;         /* Le texte noir devient blanc */
    --text-grey: #bbbbbb;     /* Le texte gris s'éclaircit */
    
    /* On éclaircit un peu le vert pour qu'il ressorte mieux sur le noir */
    --primary-green: #4ade80; 
    --secondary-green: #22c55e;
}

/* --- CORRECTIONS SPÉCIFIQUES POUR LE DARK MODE --- */

/* La Hero section a une image de fond, donc le texte doit RESTER blanc */
body.dark-mode .hero {
    color: #ffffff; 
}

/* Le bouton d'appel à l'action doit garder son contraste */
body.dark-mode .cta-button {
    background-color: #ffffff;
    color: #1a472a; /* On garde le vert foncé pour la lisibilité sur bouton blanc */
}

/* On ajoute une petite bordure aux cartes (MAIS PAS AUX JOBS) car l'ombre ne se voit pas bien sur le noir */
body.dark-mode .member-card, 
body.dark-mode .navbar {
    border: 1px solid #333;
}

/* On force la suppression de bordure pour les jobs au cas où */
body.dark-mode .job-card {
    border: none;
}

/* Ajustement du bouton switch en mode sombre */
body.dark-mode .theme-switch button {
    border-color: #ffffff;
    color: #ffffff;
}

/* RESPONSIVE (MOBILE) */
@media screen and (max-width: 768px) {
    .nav-links {
        position: absolute;
        right: 0px;
        height: 92vh;
        top: 8vh;
        background-color: var(--white);
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 50%;
        transform: translateX(100%);
        transition: transform 0.5s ease-in;
    }
    
    .nav-links li {
        margin: 2rem 0;
    }
    
    .burger {
        display: block;
    }
    
    /* En mode sombre, le burger doit devenir blanc */
    body.dark-mode .burger div {
        background-color: var(--black); /* --black vaut blanc en dark mode */
    }
    
    .nav-active {
        transform: translateX(0%);
    }

    .hero h1 { font-size: 2rem; }
    
    .job-card, .job-card.reverse {
        flex-direction: column;
    }
    
    .job-img {
        width: 100%;
        height: 200px;
    }

    /* Cache flèches sur mobile */
    .swiper-button-next, .swiper-button-prev {
        display: none !important;
    }
    .container-team-carousel {
        padding: 20px 0;
    }
}