/* ================================
   PORTFOLIO.CSS - Styles spécifiques à la page portfolio
   ================================ */

/* Portfolio Hero */
.portfolio-hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, var(--noir-profond) 0%, #1a1a1a 100%);
    text-align: center;
}

.portfolio-hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.portfolio-hero-title {
    font-family: var(--font-primary);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 300;
    margin-bottom: 1.5rem;
    color: var(--blanc-pur);
    letter-spacing: 2px;
}

/* SOUS-TITRE AMÉLIORÉ */
.portfolio-hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.4rem);
    font-weight: 400;
    color: var(--dore-leger);
    letter-spacing: 0.8px;
    font-style: italic;
    text-shadow: 0 2px 10px rgba(201, 161, 93, 0.3);
    margin-bottom: 0.5rem;
    position: relative;
    animation: fadeInUp 1s ease 0.5s both;
}

.portfolio-hero-subtitle::after {
    content: '';
    display: block;
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--dore-leger), transparent);
    margin: 15px auto 0;
    border-radius: 1px;
}

.portfolio-main {
    padding: 80px 0 120px;
    background: var(--noir-profond);
}

/* Portfolio Filter */
.portfolio-filter {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 12px 30px;
    background: transparent;
    border: 2px solid rgba(191, 191, 191, 0.3);
    color: var(--gris-argent);
    font-family: var(--font-secondary);
    font-weight: 400;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: var(--transition);
    border-radius: 30px;
    position: relative;
    overflow: hidden;
}

.filter-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, var(--dore-leger), var(--cuivre));
    transition: left 0.3s ease;
    z-index: -1;
}

.filter-btn:hover::before,
.filter-btn.active::before {
    left: 0;
}

.filter-btn:hover,
.filter-btn.active {
    color: var(--noir-profond);
    border-color: var(--dore-leger);
    transform: translateY(-2px);
}

/* Portfolio Gallery */
.portfolio-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto;
}

.portfolio-gallery .portfolio-item {
    position: relative;
    aspect-ratio: 3/4;
    overflow: hidden;
    cursor: pointer;
    border-radius: var(--border-radius);
    transition: var(--transition);
    background: var(--noir-profond);
}

.portfolio-gallery .portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%) contrast(1.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-gallery .portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(13, 13, 13, 0.9) 0%, 
        rgba(201, 161, 93, 0.3) 50%, 
        rgba(13, 13, 13, 0.9) 100%);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 30px;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-content {
    text-align: center;
    transform: translateY(20px);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-category {
    display: block;
    font-size: 0.85rem;
    color: var(--dore-leger);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 8px;
    font-weight: 500;
}

.portfolio-content h3 {
    font-family: var(--font-primary);
    font-size: 1.4rem;
    font-weight: 400;
    color: var(--blanc-pur);
    letter-spacing: 1px;
    margin: 0;
}

/* Hover Effects */
.portfolio-gallery .portfolio-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(201, 161, 93, 0.2);
    border: 2px solid rgba(201, 161, 93, 0.4);
}

.portfolio-gallery .portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-gallery .portfolio-item:hover .portfolio-content {
    transform: translateY(0);
}

.portfolio-gallery .portfolio-item:hover img {
    transform: scale(1.08);
    filter: grayscale(20%) contrast(1.2);
}

/* ================================
   DIAPORAMA STYLES
   ================================ */

.slideshow-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 2000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.slideshow-modal.active {
    display: flex;
    opacity: 1;
    align-items: center;
    justify-content: center;
}

.slideshow-container {
    position: relative;
    width: 85%;
    max-width: 1000px;
    height: 35%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slide {
    display: none;
    width: 100%;
    height: 100%;
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    animation: slideIn 0.5s ease;
}

.slide.active {
    display: block;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: none;
    border-radius: var(--border-radius);
    background: rgba(13, 13, 13, 0.5);
}

/* Style spécifique pour les images du diaporama */
.slide .slideshow-image {
    width: auto !important;
    max-width: 100% !important;
    max-height: 800px !important;
    object-fit: contain !important;
    margin: auto !important;
    display: block !important;
    height: auto !important;
}

.slide-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(13, 13, 13, 0.9));
    padding: 40px 30px 30px;
    color: var(--blanc-pur);
    text-align: center;
}

.slide-category {
    font-size: 0.9rem;
    color: var(--dore-leger);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 10px;
    font-weight: 500;
}

.slide-title {
    font-family: var(--font-primary);
    font-size: 1.8rem;
    font-weight: 400;
    color: var(--blanc-pur);
    margin-bottom: 10px;
}

.slide-counter {
    font-size: 0.9rem;
    color: var(--gris-argent);
    margin-top: 15px;
}

/* Navigation du diaporama */
.slide-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(201, 161, 93, 0.2);
    border: 2px solid var(--dore-leger);
    color: var(--dore-leger);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    z-index: 10;
    user-select: none;
}

.slide-nav:hover {
    background: var(--dore-leger);
    color: var(--noir-profond);
    transform: translateY(-50%) scale(1.1);
}

.slide-nav:active {
    transform: translateY(-50%) scale(0.95);
}

.slide-prev {
    left: 20px;
}

.slide-next {
    right: 20px;
}

/* Bouton de fermeture */
.close-slideshow {
    position: absolute;
    top: 30px;
    right: 30px;
    background: rgba(201, 161, 93, 0.2);
    border: 2px solid var(--dore-leger);
    color: var(--dore-leger);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    z-index: 10;
    user-select: none;
}

.close-slideshow:hover {
    background: var(--dore-leger);
    color: var(--noir-profond);
    transform: scale(1.1);
}

.close-slideshow:active {
    transform: scale(0.95);
}

/* Indicateurs de slides */
.slide-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(191, 191, 191, 0.3);
    cursor: pointer;
    transition: var(--transition);
}

.indicator.active,
.indicator:hover {
    background: var(--dore-leger);
    transform: scale(1.2);
}

/* Animations */
@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes fadeOutScale {
    from {
        opacity: 1;
        transform: scale(1);
    }
    to {
        opacity: 0;
        transform: scale(0.8);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ================================
   RESPONSIVE DESIGN PORTFOLIO
   ================================ */

@media (max-width: 768px) {
    .portfolio-hero {
        padding: 120px 0 60px;
    }
    
    .portfolio-hero-subtitle {
        font-size: clamp(1rem, 2.2vw, 1.2rem);
        letter-spacing: 0.6px;
    }
    
    .portfolio-hero-subtitle::after {
        width: 50px;
        margin: 12px auto 0;
    }
    
    .portfolio-main {
        padding: 60px 0 80px;
    }
    
    .portfolio-filter {
        gap: 10px;
        margin-bottom: 40px;
    }
    
    .filter-btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .portfolio-gallery {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 20px;
    }
    
    /* Diaporama Responsive */
    .slideshow-container {
        width: 90%;
        height: 35%;
    }
    
    .slide-nav {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .slide-prev {
        left: 10px;
    }
    
    .slide-next {
        right: 10px;
    }
    
    .close-slideshow {
        top: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
    
    .slide-info {
        padding: 25px 15px 15px;
    }
    
    .slide-title {
        font-size: 1.4rem;
    }
}

@media (max-width: 480px) {
    .portfolio-hero-subtitle {
        font-size: 0.95rem;
        letter-spacing: 0.4px;
    }
    
    .portfolio-hero-subtitle::after {
        width: 40px;
        margin: 10px auto 0;
    }
    
    .portfolio-gallery {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .portfolio-item {
        aspect-ratio: 4/5;
    }
    
    .filter-btn {
        padding: 8px 16px;
        font-size: 0.85rem;
    }
    
    /* Diaporama Mobile */
    .slideshow-container {
        width: 95%;
        height: 30%;
    }
    
    .slide-nav {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .slide-prev {
        left: 5px;
    }
    
    .slide-next {
        right: 5px;
    }
    
    .close-slideshow {
        top: 15px;
        right: 15px;
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .slide-info {
        padding: 15px 10px 10px;
    }
    
    .slide-title {
        font-size: 1.1rem;
    }
    
    .slide-indicators {
        bottom: 15px;
    }
    
    .indicator {
        width: 10px;
        height: 10px;
    }
}