/* ====================================
   Portfolio Section - Version Corrigée
   ==================================== */

/* Utilisation des variables CSS pour la cohérence */
.portfolio {
    padding: 80px 20px;
    background: var(--bg-light);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

/* Desktop - 3 colonnes avec grille responsive améliorée */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.portfolio-item {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
}

.portfolio-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.portfolio-image {
    position: relative;
    overflow: hidden;
    height: 250px;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.05);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: var(--transition);
    color: white;
    text-align: center;
    padding: 20px;
}

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

.portfolio-info h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    font-weight: 600;
    color: white;
}

.portfolio-info p {
    margin-bottom: 15px;
    opacity: 0.9;
    color: white;
}

.portfolio-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 20px;
}

.tag {
    background: rgba(255, 255, 255, 0.2);
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    backdrop-filter: blur(10px);
    color: white;
    font-weight: 500;
}

.portfolio-actions {
    margin-top: auto;
}

.portfolio-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: white;
    text-decoration: none;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.portfolio-link:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
    color: white;
}

.portfolio-content {
    padding: 1.5rem;
}

.portfolio-content h3 {
    font-size: 1.2rem;
    color: var(--text-dark);
    margin-bottom: 8px;
    font-weight: 600;
    font-family: var(--font-primary);
}

.portfolio-category {
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.portfolio-description {
    color: var(--text-light);
    line-height: 1.6;
    font-size: 0.95rem;
}

.portfolio-cta {
    text-align: center;
    margin-top: 4rem;
    padding: 3rem 2rem;
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.portfolio-cta h3 {
    font-size: 2rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-weight: 600;
    font-family: var(--font-primary);
}

.portfolio-cta p {
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.portfolio-cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--gradient-primary);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.portfolio-cta-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
    color: white;
}

/* ====================================
   Responsive Design pour Portfolio
   ==================================== */
@media (max-width: 768px) {
    .portfolio {
        padding: 60px 20px;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .portfolio-image {
        height: 200px;
    }
    
    .portfolio-cta {
        padding: 2rem 1rem;
        margin-top: 3rem;
    }
    
    .portfolio-cta h3 {
        font-size: 1.5rem;
    }
    
    .portfolio-cta p {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .portfolio-content {
        padding: 1rem;
    }
    
    .portfolio-overlay {
        padding: 15px;
    }
    
    .portfolio-info h3 {
        font-size: 1.1rem;
    }
    
    .portfolio-tags {
        gap: 6px;
    }
    
    .tag {
        font-size: 0.75rem;
        padding: 3px 8px;
    }
}

/* ====================================
   Animations pour Portfolio
   ==================================== */
.portfolio-item {
    animation: fadeInUp 0.6s ease-out;
}

.portfolio-item:nth-child(2) {
    animation-delay: 0.1s;
}

.portfolio-item:nth-child(3) {
    animation-delay: 0.2s;
}

.portfolio-item:nth-child(4) {
    animation-delay: 0.3s;
}

.portfolio-item:nth-child(5) {
    animation-delay: 0.4s;
}

.portfolio-item:nth-child(6) {
    animation-delay: 0.5s;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ====================================
   Amélioration de l'accessibilité
   ==================================== */
.portfolio-link:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.portfolio-item:focus-within {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

/* Support pour les préférences de mouvement réduit */
@media (prefers-reduced-motion: reduce) {
    .portfolio-item,
    .portfolio-image img,
    .portfolio-overlay,
    .portfolio-link {
        transition: none;
        animation: none;
    }
    
    .portfolio-item:hover {
        transform: none;
    }
    
    .portfolio-item:hover .portfolio-image img {
        transform: none;
    }
}