/* portfolio.css - Styles spécifiques à la page portfolio */

/* En-tête de la page portfolio */
.portfolio-header {
    min-height: 50vh;
    padding: 7rem 0 3rem;
    background-color: var(--color-dark);
    background-image: linear-gradient(rgba(10, 10, 10, 0.85), rgba(10, 10, 10, 0.85));
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-left: 1rem;
    padding-right: 1rem;
    position: relative;
    overflow: hidden;
}

.portfolio-intro {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.portfolio-header h2 {
    font-size: 3.5rem;
    margin-bottom: 2rem;
    line-height: 1.1;
    text-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    position: relative;
}

.portfolio-header h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--color-accent);
    border-radius: 3px;
    animation: expandFromCenter 1s ease-out 0.8s both;
}

.portfolio-header .intro-text {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
}

/* Éléments intro spécifiques */
.portfolio-header h2 .accent {
    background: var(--color-accent);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: none;
    filter: var(--accent-text-glow);
    position: relative;
    display: inline-block;
}

/* Container principal - Filtres du portfolio */
.portfolio-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 2rem;
    padding: 2rem 0 1rem;
    background: var(--color-dark);
    position: relative;
}

.portfolio-editor-content {
    padding: 2rem 0 1rem;
}

.portfolio-editor-content__inner {
    background-color: var(--color-dark-secondary);
    border-radius: 0;
    padding: 2rem;
    color: var(--color-text-secondary);
}

.portfolio-editor-content__inner p:last-child {
    margin-bottom: 0;
}

/* Séparateur jaune repositionné pour masquer la démarcation */
.portfolio-section::after {
    content: '';
    position: absolute;
    top: -1px;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
    opacity: 0.2;
    z-index: 10;
}

.portfolio-filter button {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(218, 165, 32, 0.22);
    color: var(--color-text-secondary);
    padding: 0.55rem 1.05rem;
    margin: 0.5rem;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: background-color 0.35s ease, border-color 0.35s ease, color 0.35s ease, box-shadow 0.35s ease;
    position: relative;
    font-family: var(--font-primary);
    border-radius: 0;
}

.portfolio-filter button:hover,
.portfolio-filter button.active {
    color: var(--color-gold);
    border-color: rgba(255, 184, 28, 0.55);
    background: rgba(255, 184, 28, 0.06);
    box-shadow: 0 0 0 2px rgba(255, 184, 28, 0.08);
}

.loading-indicator {
    text-align: center;
    padding: 1.25rem;
    font-family: var(--font-primary);
    color: var(--color-text);
}

/* Grille du portfolio - Ordre visuel gauche vers droite */
.portfolio-grid {
    --portfolio-grid-gap: 1.2rem;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    padding: var(--portfolio-grid-gap) var(--portfolio-grid-gap) 1px;
    opacity: 0;
    transition: opacity 0.5s ease;
    min-height: 300px; /* Hauteur minimale pour éviter les sauts de mise en page */
    position: relative;
    background-color: var(--color-dark); /* Fond uniforme */
    
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: var(--portfolio-grid-gap);
    row-gap: 1px;
    grid-auto-flow: row;
    align-items: start;
}

.portfolio-grid a {
    display: block;
}

.portfolio-grid a:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: 4px;
}

.portfolio-grid.is-masonry {
    grid-auto-rows: 2px;
}

.portfolio-grid.loaded {
    opacity: 1;
}

/* Styles pour l'affichage en grille */
.portfolio-item {
    display: block;
    width: 100%;
    margin-bottom: calc(var(--portfolio-grid-gap) - 1px);
}

@keyframes imgFadeIn {
    from { opacity: 0; transform: scale(0.98); }
    to { opacity: 1; transform: scale(1); }
}

/* Animation séquentielle pour les éléments du portfolio */
@keyframes sequentialFadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: 0;
    cursor: pointer;
    transition: box-shadow 0.35s ease, transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18);
    opacity: 0; /* Commencer invisible pour l'animation séquentielle */
    animation: sequentialFadeIn 0.5s ease forwards;
    animation-fill-mode: both;
    will-change: opacity, transform; /* Optimisation des performances */
    animation-delay: calc(0.05s * var(--index, 0)); /* Délai basé sur l'index pour l'animation séquentielle */
}

/* Style pour l'animation de filtrage */
.portfolio-item.filtering {
    opacity: 0;
    transform: scale(0.8);
}

.portfolio-item img {
    width: 100%;
    height: auto; /* Permettre à l'image de conserver ses proportions */
    object-fit: cover;
    transition: transform 0.35s ease, filter 0.35s ease;
    border-radius: 0;
    opacity: 0; /* Commencer invisible */
    animation: imgFadeIn 0.6s ease forwards;
    animation-fill-mode: both;
    animation-delay: calc(0.1s + var(--delay, 0s)); /* Délai supplémentaire après le conteneur */
    display: block; /* Éviter les espaces blancs sous les images */
}

/* Placeholder pour les images pendant le chargement - effet skeleton */
.portfolio-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(30, 30, 30, 0.2);
    border-radius: 0;
    z-index: -1;
    animation: none;
}

@media (hover: hover) and (pointer: fine) {
    .portfolio-item:hover img {
        transform: scale(1.01);
        filter: contrast(1.02);
    }

    .portfolio-item:hover {
        transform: translateY(-2px);
        box-shadow: 0 12px 30px rgba(0, 0, 0, 0.26), 0 0 10px rgba(218, 165, 32, 0.12);
    }
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 0.85rem 1rem;
    background: linear-gradient(180deg, rgba(10, 10, 12, 0) 40%, rgba(10, 10, 12, 0.84) 100%);
    opacity: 0;
    transform: translateY(6px);
    transition: opacity 0.35s ease, transform 0.35s ease;
    pointer-events: none;
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
    transform: translateY(0);
}

.portfolio-overlay__hint {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(245, 245, 245, 0.92);
    font-family: var(--font-primary);
}

.portfolio-overlay__hint i {
    font-size: 0.8rem;
    color: var(--color-gold);
}

.portfolio-overlay h3,
.portfolio-overlay p {
    display: none;
}

/* Section portfolio avec fond uniforme pour continuité visuelle */
.portfolio-section {
    background-color: var(--color-dark);
    margin-top: 0; /* Suppression de l'espace avec le header */
    position: relative;
}

.portfolio-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: linear-gradient(180deg, var(--color-dark-secondary) 0%, var(--color-dark) 100%);
    z-index: 0;
}

.portfolio-section .container {
    position: relative;
    z-index: 1;
}

/* Responsive */
@media screen and (max-width: 768px) {
    .portfolio-header {
        min-height: 50vh;
        padding: 8rem 0 4rem;
    }
    
    .portfolio-header h2 {
        font-size: 2.8rem;
    }
    
    .portfolio-header .intro-text {
        font-size: 1.1rem;
    }
}

@media screen and (max-width: 576px) {
    .portfolio-header h2 {
        font-size: 2.2rem;
    }
    
    .portfolio-header .intro-text {
        font-size: 1rem;
    }
}

@media screen and (max-width: 992px) {
    .portfolio-grid {
        --portfolio-grid-gap: 1rem;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    
    .portfolio-item {
        margin-bottom: calc(var(--portfolio-grid-gap) - 1px);
    }
    
    .portfolio-filter {
        padding: 1.5rem 0 1rem; /* Ajustement du padding pour tablette */
    }
    
    /* Amélioration des boutons pour tablette */
    .portfolio-filter button {
        font-size: 0.8rem; /* Taille légèrement réduite pour tablette */
        padding: 0.45rem 1.2rem; /* Padding ajusté */
        margin: 0.3rem; /* Marge réduite */
    }
    
    .portfolio-section::before {
        height: 80px; /* Réduction de la hauteur du dégradé sur tablette */
    }
}

@media screen and (max-width: 576px) {
    .portfolio-grid {
        --portfolio-grid-gap: 0.6rem;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    
    .portfolio-header h2 {
        font-size: 2.5rem;
    }
    
    .portfolio-intro {
        max-width: 100%;
        padding: 0 1rem;
    }
    
    .portfolio-filter {
        padding: 1rem 0.5rem 0.5rem; /* Padding plus compact pour mobile */
        gap: 0.3rem; /* Espacement entre les boutons */
    }
    
    /* Amélioration des boutons de catégorie pour mobile */
    .portfolio-filter button {
        font-size: 0.8rem;
        padding: 0.5rem 1rem;
        margin: 0.25rem;
        border-radius: 0;
        background: rgba(255, 255, 255, 0.05); /* Arrière-plan subtil */
        border: 1px solid rgba(218, 165, 32, 0.2); /* Bordure dorée subtile */
        letter-spacing: 0.5px; /* Espacement des lettres réduit */
        font-weight: 600; /* Police un peu plus épaisse pour la lisibilité */
        white-space: nowrap; /* Empêche les retours à la ligne */
        min-width: auto; /* Taille minimale automatique */
        transition: all 0.2s ease; /* Transition plus rapide */
    }
    
    .portfolio-filter button:hover,
    .portfolio-filter button.active {
        background: rgba(218, 165, 32, 0.15); /* Arrière-plan doré au survol/actif */
        border-color: var(--color-gold); /* Bordure dorée plus visible */
        color: var(--color-gold);
        transform: translateY(-1px); /* Légère élévation au survol */
    }
    
    /* Styles spécifiques pour les textes longs des catégories */
    .portfolio-filter button[data-filter="packshots"] {
        font-size: 0.75rem;
        padding: 0.5rem 0.85rem;
    }
    
    .portfolio-section::before {
        height: 60px; /* Réduction de la hauteur du dégradé sur mobile */
    }
    
    .portfolio-item {
        margin-bottom: calc(var(--portfolio-grid-gap) - 1px);
        /* Optimisation des animations pour mobile */
        animation-duration: 0.35s; /* Animation plus rapide sur mobile */
        animation-delay: calc(0.02s * var(--index, 0)); /* Délai réduit */
        border-radius: 0;
    }
    
    /* Optimisation du chargement des images sur mobile */
    .portfolio-item img {
        animation-duration: 0.35s;
        animation-delay: 0.04s;
        border-radius: 0;
    }
    
    .portfolio-item::before {
        border-radius: 0;
    }
    
    /* Réduire l'effet de survol sur mobile */
    .portfolio-item:hover {
        transform: none;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15), 0 0 4px rgba(218, 165, 32, 0.1);
    }
    
    .portfolio-item:hover img {
        transform: none;
    }
}

/* Amélioration pour les très petits écrans (petits mobiles) */
@media screen and (max-width: 480px) {
    .portfolio-filter {
        padding: 0.8rem 0.3rem 0.4rem; /* Padding encore plus compact */
        justify-content: center; /* Centrer les boutons */
        flex-wrap: wrap; /* Permettre le retour à la ligne si nécessaire */
    }
    
    .portfolio-filter button {
        font-size: 0.75rem;
        padding: 0.45rem 0.9rem;
        margin: 0.2rem;
        border-radius: 0;
        letter-spacing: 0.3px; /* Espacement des lettres encore réduit */
    }
    
    /* Texte encore plus court pour "Packshots & Ambiance" */
    .portfolio-filter button[data-filter="packshots"] {
        font-size: 0.7rem;
        padding: 0.45rem 0.75rem;
    }
    
    .portfolio-header h2 {
        font-size: 2rem; /* Titre encore plus petit pour très petits écrans */
    }
    
    .portfolio-grid {
        --portfolio-grid-gap: 0.4rem;
    }
}

/* Desktop large: 4 colonnes pour une galerie plus dense */
@media screen and (min-width: 1200px) {
    .portfolio-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

/* CTA contact en bas du portfolio */
.cta-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-secondary) 100%);
    text-align: center;
    position: relative;
}

.cta-section::before,
.cta-section::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
    opacity: 0.2;
}

.cta-section::before {
    top: 0;
}

.cta-section::after {
    bottom: 0;
}

.cta-content {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
    filter: none;
}

.cta-section h2 .accent {
    background: var(--color-accent);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: none;
    filter: var(--accent-text-glow);
    position: relative;
    display: inline-block;
}

.cta-section h2:not(:has(.accent)) {
    background: var(--color-accent);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
    text-shadow: none;
}

.cta-section h2:not(:has(.accent)).animate-on-load.loaded,
.cta-section h2:not(:has(.accent)).animate-fast.loaded {
    filter: var(--accent-text-glow);
}

.cta-section p {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

.cta-section .btn.animate-fast.loaded {
    transition: var(--transition);
}

.cta-section .btn.animate-fast.loaded:hover {
    transform: translateY(-3px);
}

@media screen and (max-width: 768px) {
    .cta-section {
        padding: 4rem 0;
    }

    .cta-section h2 {
        font-size: 2rem;
    }

    .cta-section p {
        font-size: 1rem;
        line-height: 1.6;
    }
}

@media screen and (max-width: 480px) {
    .cta-section h2 {
        font-size: 1.8rem;
    }

    .cta-section p {
        font-size: 1.1rem;
    }
}