/* Styles spécifiques à la page Portfolio */

/* Hero de page */
.page-hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    text-align: center;
    padding: 12rem 0 6rem;
}

.page-hero h2 {
    color: white;
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.page-hero p {
    font-size: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

/* Portfolio Section */
.portfolio {
    padding: 8rem 0;
    background-color: #f8f9fa;
}

/* Animation d'entrée pour le portfolio */
.portfolio .container {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeIn 0.8s ease forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 4rem;
    gap: 1rem;
}

.filter-btn {
    background: white;
    border: 1px solid #e9ecef;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

.filter-btn:hover, .filter-btn.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 3rem;
}

.portfolio-item {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

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

.portfolio-image {
    position: relative;
    overflow: hidden;
    height: 220px;
    background-color: #f8f9fa;
}

.portfolio-image img {
    width: auto;
    height: auto;
    object-fit: contain;
    padding: 2rem;
    transition: transform 0.5s ease;
    max-height: 120px;
    max-width: 80%;
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: rgba(26, 26, 46, 0.85);
    color: white;
    opacity: 0;
    transition: opacity 0.3s ease;
    padding: 2rem;
    text-align: center;
}

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

.portfolio-overlay h3 {
    color: white;
    margin-bottom: 0.5rem;
}

.portfolio-overlay p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
}

/* Études de Cas Détaillées */
.case-studies {
    padding: 8rem 0;
    background-color: white;
    text-align: center;
}

.case-studies h2 {
    margin-bottom: 1rem;
}

.case-studies > .container > p {
    max-width: 700px;
    margin: 0 auto 5rem;
    color: var(--gray-color);
    font-size: 1.8rem;
}

.case-study {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    margin-bottom: 8rem;
    text-align: left;
    align-items: center;
}

.case-study:last-child {
    margin-bottom: 0;
}

.case-study:nth-child(even) {
    grid-template-columns: 2fr 1fr;
}

.case-study:nth-child(even) .case-image {
    order: 2;
}

.case-image {
    background-color: #f8f9fa;
    padding: 3rem;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--box-shadow);
}

.case-image img {
    max-width: 80%;
    max-height: 100px;
    object-fit: contain;
}

.case-content h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.case-content h4 {
    font-weight: 500;
    color: var(--gray-color);
    margin-bottom: 3rem;
}

.case-details {
    display: grid;
    gap: 3rem;
}

.case-challenge h5, 
.case-solution h5, 
.case-result h5 {
    color: var(--dark-color);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    font-size: 1.8rem;
}

.case-challenge h5::before, 
.case-solution h5::before, 
.case-result h5::before {
    content: '';
    display: inline-block;
    width: 1.5rem;
    height: 0.3rem;
    background-color: var(--primary-color);
    margin-right: 1rem;
}

.case-solution ul,
.case-result ul {
    display: grid;
    gap: 1rem;
    margin-top: 1.5rem;
}

.case-solution li,
.case-result li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.case-solution i {
    color: var(--success-color);
    font-size: 1.6rem;
    margin-top: 0.2rem;
}

.case-result i {
    color: var(--primary-color);
    font-size: 1.6rem;
    margin-top: 0.2rem;
}

.case-result .btn-secondary {
    margin-top: 2rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

/* Études de Cas Mise en Avant (Style Précédent) */
.featured-case {
    padding: 8rem 0;
    background-color: white;
}

.featured-case .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.case-content h2 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.case-content h3 {
    font-weight: 500;
    color: var(--gray-color);
    margin-bottom: 3rem;
}

.case-details {
    display: grid;
    gap: 3rem;
}

.case-challenge h4, .case-solution h4, .case-result h4 {
    color: var(--dark-color);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
}

.case-challenge h4::before, .case-solution h4::before, .case-result h4::before {
    content: '';
    display: inline-block;
    width: 1.5rem;
    height: 0.3rem;
    background-color: var(--primary-color);
    margin-right: 1rem;
}

.case-solution ul {
    display: grid;
    gap: 1rem;
}

.case-solution li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.case-solution i {
    color: var(--success-color);
    font-size: 1.6rem;
    margin-top: 0.2rem;
}

.case-image img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

/* Processus de Création */
.creation-process {
    padding: 8rem 0;
    background-color: #f8f9fa;
    text-align: center;
}

.creation-process h2 {
    margin-bottom: 1rem;
}

.creation-process > .container > p {
    max-width: 700px;
    margin: 0 auto 4rem;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

.process-step {
    background: white;
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    text-align: left;
}

.process-step:hover {
    transform: translateY(-5px);
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 5rem;
    height: 5rem;
    background: var(--primary-color);
    color: white;
    font-size: 2rem;
    font-weight: bold;
    border-radius: 50%;
    margin-bottom: 2rem;
}

/* Témoignages Portfolio */
.portfolio-testimonials {
    padding: 8rem 0;
    background-color: #f5f7fa;
    text-align: center;
}

.portfolio-testimonials h2 {
    margin-bottom: 4rem;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.testimonial {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.testimonial:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.testimonial-content {
    padding: 3rem;
    flex: 1;
    position: relative;
    text-align: left;
}

.testimonial-content:before {
    content: '\201C';
    font-family: Georgia, serif;
    font-size: 8rem;
    position: absolute;
    top: -1rem;
    left: 1rem;
    color: #f0f0f0;
    z-index: 0;
}

.testimonial-content p {
    position: relative;
    z-index: 1;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 2rem;
    background-color: #f8f9fa;
    text-align: left;
}

.testimonial-author img {
    width: 6rem;
    height: 6rem;
    border-radius: 50%;
    object-fit: contain;
    background-color: white;
    padding: 0.5rem;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.author-info h4 {
    margin-bottom: 0.5rem;
}

.author-info p {
    margin-bottom: 0;
    color: var(--gray-color);
}

/* Responsive */
@media (max-width: 991px) {
    .featured-case .container {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
    
    .case-image {
        order: -1;
    }
    
    .case-study,
    .case-study:nth-child(even) {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .case-study:nth-child(even) .case-image {
        order: 0;
    }
}

@media (max-width: 768px) {
    .page-hero h2 {
        font-size: 3.2rem;
    }
    
    .page-hero p {
        font-size: 1.8rem;
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

@media (max-width: 576px) {
    .portfolio-filters {
        flex-direction: column;
        align-items: center;
    }
    
    .filter-btn {
        width: 100%;
        text-align: center;
    }
}

/* Animation de filtrage */
.portfolio-item {
    opacity: 1;
    transform: scale(1);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.portfolio-item.hidden {
    opacity: 0;
    transform: scale(0.8);
    height: 0;
    margin: 0;
    padding: 0;
    overflow: hidden;
}