:root {
    --ensibs-green: #00843D;
    --ensibs-dark: #006630;
    --ensibs-light: #E8F5E9;
    --text-color: #333;
    --background-light: #fff;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    min-height: 100vh;
    display: relative;
    flex-direction: column;
}

/* Navigation */
#main-nav {
    background-color: var(--ensibs-green);
    padding: 1rem 2rem;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

.nav-links {
    
    display: flex;
    list-style: none;
    gap: 2rem;
    justify-content: center;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
    background-color: var(--ensibs-dark);
}

/* Main Content */
main {
    margin-top: 80px;
    flex: 1;
    padding: 2rem;
    background-color: var(--background-light);
}

section {
    display: none;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    background: var(--ensibs-light);
    border-radius: 8px;
    box-shadow: 10 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

section.active {
    display: block;
}

h1 {
    color: var(--ensibs-green);
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-align: center;
}

.subtitle {
    text-align: center;
    color: #272626;
    margin-bottom: 2rem;
}

/* Partner Logos - Style amélioré */
.partner-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    margin: 2rem 0;
    flex-wrap: wrap;
    padding: 2rem;
    background: var(--ensibs-green);
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.logo-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    padding: 1rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.logo-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.partner-logo {
    height: 100px;
    width: auto;
    object-fit: contain;
    filter: brightness(1);
    transition: all 0.3s ease;
}

.logo-item:hover .partner-logo {
    filter: brightness(1.1);
}

.logo-item span {
    font-size: 1rem;
    color: var(--ensibs-green);
    text-align: center;
    font-weight: 600;
    opacity: 0.9;
}

/* CTA Buttons */
.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

.primary-btn,
.secondary-btn,.third-btn {
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.secondary-btn {
    background-color: var(--ensibs-light);
    color: var(--ensibs-green);
    border: 2px solid var(--ensibs-green);
}
.third-btn {
    background-color: var(--ensibs-green);
    color: white;
}


.primary-btn:hover,
.secondary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* Footer */
footer {
    background-color: var(--ensibs-green);
    color: white;
    text-align: center;
    padding: 0.5rem;
    position: fixed;
    bottom: 0;
    width: 100%;
}

/* Mobile Navigation */
.burger {
    display: none;
    cursor: pointer;
}

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

@media screen and (max-width: 768px) {
    .burger {
        display: block;
        position: absolute;
        right: 2rem;
        top: 1rem;
    }

    .nav-links {
        position: fixed;
        right: -100%;
        top: 70px;
        height: calc(100vh - 70px);
        background-color: var(--ensibs-green);
        flex-direction: column;
        align-items: center;
        width: 100%;
        transition: right 0.3s ease-in;
        padding: 2rem;
    }

    .nav-links.active {
        right: 0;
    }

    main {
        margin-bottom: 60px;
    }

    .partner-logos {
        gap: 1.5rem;
        padding: 1rem;
    }

    .partner-logo {
        height: 80px;
    }

    .logo-item {
        padding: 1rem;
    }

    .cta-buttons {
        flex-direction: column;
        padding: 0 1rem;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}
/* Timeline */
.timeline {
    max-width: 800px;
    margin: 0 auto;
}
.event {
    display: flex;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 5px;
}

.time {
    min-width: 100px;
    font-weight: bold;
    color: var(--secondary-color);
}
.org-card {
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 5px;
}

.org-card h3 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.org-card ul {
    list-style: none;
}

.org-card li {
    margin-bottom: 0.5rem;
}

h2 {
    color: var(--ensibs-green);
    font-size: 2rem;
    text-align: center;
}
.presentation-text {
    text-align: left;
    color: #212120;
    margin-bottom: 2rem;
}

p {
    margin-bottom: 2em; 
}
/* Ajouter de l'espace à droite de l'heure */
.event .time {
    margin-right: 20px; /* Ajustez cette valeur */
}

/* Ajouter de l'espace à droite de la description */
.event .description {
    margin-right: 20px; /* Si vous souhaitez aussi de l'espace à droite dans la description */
}



/* Contact Form */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

.contact-form textarea {
    height: 150px;
    resize: vertical;
}

section#inscription {
    text-align: center; /* Centre le texte et les éléments enfants horizontalement */
    padding: 20px;
}
#inscription-form {
    display: inline-block; /* Permet au div de se centrer avec text-align */
    margin: 0 auto; /* Centre le div en cas d'autres styles */
}
iframe {
    border: none;
}


.location-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}
.address, .transport {
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 5px;
}


/* Galerie Photos */
#galerie {
    padding: 2rem;
    background: var(--ensibs-light);
    border-radius: 8px;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.photo-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    justify-content: center;
    align-items: center;
}

.gallery-item {
    overflow: hidden;
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.gallery-item img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    transition: transform 0.3s ease, filter 0.3s ease;
}


.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.gallery-item:hover img {
    transform: scale(1.1);
    filter: brightness(1.1);
}

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




/* Lightbox */
#lightbox {
    display: none; /* Masqué par défaut */
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8); /* Fond noir transparent */
    justify-content: center;
    align-items: center;
    z-index: 1000; /* Toujours au-dessus */
}

#lightbox img {
    max-width: 90%;
    max-height: 90%;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    animation: fadeIn 0.3s ease-in-out;
}

#lightbox.active {
    display: flex; /* Affiche le lightbox */
}

/* Animation d'apparition */ 
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}