/* =========================
    Galerie - Variables
    ========================= */
:root {
  --primary-blue: #2b6cb0;
  --secondary-blue: #3182ce;
  --light-blue: #ebf8ff;
  --primary-green: #38a169;
  --secondary-green: #48bb78;
  --light-green: #f0fff4;
  --white: #ffffff;
  --light-gray: #f7fafc;
  --medium-gray: #e2e8f0;
  --dark-gray: #2d3748;
}

/* =========================
    Galerie - Structure
    ========================= */
.gallery-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* =========================
    Titres harmonisés
    ========================= */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    color: var(--dark-gray); /* Titre principal en noir */
    font-size: 2.2rem;
    position: relative;
    display: inline-block;
    padding-bottom: 15px;
    margin-bottom: 0;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--primary-green);
}

/* =========================
    Filtres - Style cohérent avec vos onglets
    ========================= */
.gallery-filter {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 15px;
}

.filter-btn {
    padding: 12px 25px;
    background: none;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--dark-gray);
    font-weight: 500;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.filter-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-green) 100%);
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: 50px;
}

.filter-btn:hover {
    color: var(--white);
    transform: translateY(-3px);
}

.filter-btn:hover::before {
    opacity: 1;
}

.filter-btn.active {
    color: var(--white);
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(56, 161, 105, 0.4);
}

.filter-btn.active::before {
    opacity: 1;
}

/* =========================
    Grille de photos - Amélioration de la disposition
    ========================= */
.photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 20px;
}

.photo-item {
    position: relative;
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(43,108,176,0.05);
    transition: all 0.3s ease;
    aspect-ratio: 16/9;
}

.photo-image,
.photo-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.photo-card {
    position: relative;
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(43,108,176,0.05);
    transition: transform 0.3s ease;
    aspect-ratio: 16/9;
}

.photo-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.photo-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 15px;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0) 100%);
    color: white;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.photo-card:hover {
    transform: translateY(-5px);
}

.photo-card:hover .photo-info {
    transform: translateY(0);
}

.photo-card:hover img {
    transform: scale(1.05);
}

.photo-info h3 {
    margin: 0 0 5px 0;
    font-size: 1.1rem;
    color: white;
}

/* =========================
    Section Vidéos - Style cohérent avec votre timeline
    ========================= */
.video-container {
    background: var(--light-gray);
    padding: 60px 0;
    margin: 60px 0;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.video-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(43,108,176,0.05);
    transition: all 0.3s ease;
    position: relative;
}

.video-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(43,108,176,0.10);
}

.video-thumbnail {
    position: relative;
    height: 200px;
    background-color: var(--medium-gray);
}

.play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--primary-blue);
    font-size: 3rem;
    opacity: 0.8;
}

.video-info {
    padding: 20px;
}

.video-info h3 {
    color: var(--dark-gray); /* Titre vidéo en noir */
    margin-top: 0;
}


/* =========================
    Lightbox - Style sobre comme vos modales
    ========================= */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.lightbox.active {
    opacity: 1;
    pointer-events: all;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
    position: relative;
}

.close-lightbox {
    position: absolute;
    top: -40px;
    right: 0;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
}

/* =========================
    Fond alterné pour sections
    ========================= */
.alt-bg {
    background-color: var(--light-gray);
    padding: 60px 0;
    margin: 60px 0;
}

/* =========================
    Bouton "Charger plus" - Style harmonisé
    ========================= */
.gallery-btn,
#load-less-videos-btn,
#load-more-videos-btn,
#load-more-photos-btn,
#load-less-photos-btn {
    display: block;
    margin: 24px auto 0 auto;
    padding: 14px 40px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-green) 100%);
    color: var(--white);
    font-size: 1.1rem;
    font-weight: 600;
    border: none;
    border-radius: 50px;
    box-shadow: 0 4px 16px rgba(43, 108, 176, 0.08);
    cursor: pointer;
    transition: background 0.3s, transform 0.2s, box-shadow 0.3s;
    letter-spacing: 0.5px;
}


#load-more-videos-btn:hover,
#load-more-videos-btn:focus,
#load-less-videos-btn:hover,
#load-less-videos-btn:focus,
#load-more-photos-btn:hover,
#load-more-photos-btn:focus,
#load-less-photos-btn:hover,
#load-less-photos-btn:focus {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-blue) 100%);
    transform: translateY(-3px) scale(1.04);
    box-shadow: 0 8px 24px rgba(56, 161, 105, 0.15);
    color: var(--white);
}

/* Responsive pour tous les boutons */
@media (max-width: 768px) {
    #load-more-videos-btn,
    #load-less-videos-btn,
    #load-more-photos-btn,
    #load-less-photos-btn {
        width: 100%;
        padding: 12px 0;
        font-size: 1rem;
    }
}

/* =========================
    Responsive - Adaptation complète
    ========================= */

/* Grille photo et vidéo */
@media (max-width: 1200px) {
    .gallery-container {
        max-width: 1000px;
        padding: 0 16px;
    }
    .photo-grid,
    .video-grid {
        max-width: 100%;
    }
    
}

@media (max-width: 992px) {
    .gallery-container {
        max-width: 900px;
        padding: 0 12px;
    }
    .photo-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
        gap: 18px;
    }
    .video-grid {
        grid-template-columns: 1fr 1fr;
        gap: 18px;
    }
    
}

@media (max-width: 768px) {
    .gallery-container {
        max-width: 100%;
        padding: 0 8px;
    }
    .section-header h2 {
        font-size: 1.5rem;
        padding-bottom: 10px;
    }
    .photo-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
        max-width: 100%;
    }
    .photo-image,
    .photo-item img {
        height: 120px;
    }
    .video-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .alt-bg {
        padding: 30px 0;
        margin: 30px 0;
    }
    .footer-section {
        padding: 1.5rem 0;
    }
}

@media (max-width: 576px) {
    .gallery-container {
        padding: 0 4px;
    }
    .section-header h2 {
        font-size: 1.1rem;
        padding-bottom: 7px;
    }
    .photo-grid {
        grid-template-columns: 1fr;
        gap: 8px;
        margin-bottom: 20px;
    }
    .photo-image,
    .photo-item img {
        height: 90px;
    }
    .video-grid {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    
    .alt-bg {
        padding: 15px 0;
        margin: 15px 0;
    }
    .footer-section {
        padding: 1rem 0;
    }
    .footer-section h3 {
        font-size: 1rem;
    }
    .footer-section a {
        font-size: 1.1rem;
    }
}

/* Filtres et boutons */
@media (max-width: 768px) {
    .gallery-filter {
        flex-direction: column;
        align-items: center;
        gap: 8px;
    }
    .filter-btn {
        width: 100%;
        text-align: center;
        border-radius: 50px;
        font-size: 1rem;
        padding: 10px 0;
    }
    #load-more-btn {
        width: 100%;
        padding: 12px 0;
        font-size: 1rem;
    }
}

/* Lightbox responsive */
@media (max-width: 576px) {
    .lightbox-content {
        max-width: 98vw;
        max-height: 80vh;
    }
    .close-lightbox {
        top: -30px;
        font-size: 1.2rem;
    }
}

/* =========================
    Footer
    ========================= */
footer {
  background-color: var(--dark-gray);
  color: var(--white);
  padding: 2rem 0;
  text-align: center;
}

.footer-section a {
  color: var(--white);
  font-size: 1.5rem;
  margin: 0 0.5rem;
  transition: color 0.3s ease;
}

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

.footer-bottom {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Section Contact */
.footer-section {
  background-color: var(--dark-gray);
  color: var(--white);
  padding: 3rem 0;
  text-align: center;
}

.footer-section h3 {
  margin-bottom: 1rem;
  color: var(--white);
}

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

.footer-section i {
  margin-right: 0.5rem;
  color: var(--secondary-green);
}

/* =========================
    Section Héro - Ajout d'une section héro avec image de fond
    ========================= */
.hero-section {
    height: 400px;
    background: linear-gradient(rgba(43, 108, 176, 0.7), rgba(56, 161, 105, 0.7)),
                url('https://i.pinimg.com/originals/17/02/3d/17023dc6de74ae997501cc69045d9814.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    margin-bottom: 60px;
    border-radius: 0 0 10px 10px;
    position: relative;
    font-family: 'Arial', sans-serif; /* Add a default font-family */
}

.hero-content {
    padding: 2rem;
    max-width: 800px;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1.25rem;
    color: var(--white);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    font-weight: 800;
    letter-spacing: 1px;
}

.hero-content p {
    font-size: 1.3rem;
    margin: 0 auto;
    max-width: 700px;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    font-weight: 500;
}


/* Espacement harmonisé pour les titres et sous-titres */
#photos .section-header h2,
#videos .section-header h2,
#carte .section-header h2 {
    margin-bottom: 1.2rem;
}

#photos .section-header .section-subtitle,
#videos .section-header .section-subtitle,
#carte .section-header .section-subtitle {
    margin-top: 0;
}


@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* =========================
   Messages d'absence de contenu - Correction du centrage
   ========================= */
.photo-grid .no-items-found,
.video-grid .no-items-found,
.photo-grid .error-message,
.video-grid .error-message {
    grid-column: 1 / -1; /* Force à s'étendre sur toute la largeur de la grille */
    text-align: center;
    padding: 40px 20px;
    margin: 0 auto;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--light-gray);
    border-radius: 8px;
    font-size: 1.2rem;
    color: var(--dark-gray);
    animation: fadeIn 0.5s ease-out;
}

/* Version mobile */
@media (max-width: 768px) {
    .photo-grid .no-items-found,
    .video-grid .no-items-found {
        padding: 30px 15px;
        font-size: 1rem;
    }
}

/* Icône optionnelle */
.no-items-found::before {
    content: "✖";
    font-size: 2.5rem;
    margin-bottom: 15px;
    color: var(--primary-blue);
    display: block;
}

/* Animation */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}