/* REFERANSLAR SAYFASI STİLLERİ */
.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 30px;
    align-items: center;
    justify-items: center;
}

.client-logo {
    width: 200px;
    height: 100px;
    background-color: var(--white);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.client-logo:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.client-logo img {
    max-width: 100%;
    max-height: 100%;
    filter: grayscale(100%);
    transition: var(--transition);
}

.client-logo:hover img {
    filter: grayscale(0%);
}

/* TESTIMONIALS */
.testimonials-slider {
    max-width: 800px;
    margin: 0 auto 40px;
}

.testimonial-slide {
    display: none;
}

.testimonial-slide.active {
    display: block;
}

.testimonial-content {
    background-color: var(--white);
    padding: 40px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    position: relative;
}

.testimonial-content:before {
    content: '"';
    position: absolute;
    top: 20px;
    left: 20px;
    font-size: 5rem;
    color: rgba(26, 188, 156, 0.1);
    font-family: serif;
    line-height: 1;
}

.testimonial-text {
    font-size: 1.1rem;
    font-style: italic;
    margin-bottom: 30px;
    color: var(--dark);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 20px;
}

.author-img {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

.author-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.author-info h4 {
    margin-bottom: 5px;
    color: var(--primary);
}

.author-info p {
    color: var(--gray);
    margin-bottom: 10px;
    font-size: 0.9rem;
}

.rating {
    color: #FFD700;
}

.testimonial-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
}

.testimonial-prev, .testimonial-next {
    background-color: var(--white);
    border: 1px solid #ddd;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.testimonial-prev:hover, .testimonial-next:hover {
    background-color: var(--accent);
    color: var(--white);
    border-color: var(--accent);
}

.testimonial-dots {
    display: flex;
    gap: 10px;
}

.dot {
    width: 12px;
    height: 12px;
    background-color: #ddd;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
}

.dot.active, .dot:hover {
    background-color: var(--accent);
}

/* CASE STUDIES */
.case-studies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 40px;
}

.case-study {
    display: grid;
    grid-template-columns: 1fr 1fr;
    background-color: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.case-study-img {
    height: 100%;
}

.case-study-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.case-study-content {
    padding: 40px;
}

.case-study-content h3 {
    margin-bottom: 20px;
}

.case-study-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin: 30px 0;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 5px;
    font-family: 'Montserrat', sans-serif;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--gray);
}

/* PARTNERS */
.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    align-items: center;
    justify-items: center;
}

.partner {
    text-align: center;
}

.partner img {
    max-width: 150px;
    max-height: 80px;
    margin-bottom: 15px;
    filter: grayscale(100%);
    transition: var(--transition);
}

.partner:hover img {
    filter: grayscale(0%);
}

.partner p {
    font-size: 0.9rem;
    color: var(--gray);
}

@media (max-width: 992px) {
    .case-studies-grid {
        grid-template-columns: 1fr;
    }
    
    .case-study {
        grid-template-columns: 1fr;
    }
    
    .case-study-img {
        height: 300px;
    }
}

@media (max-width: 768px) {
    .clients-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
    
    .client-logo {
        width: 150px;
        height: 80px;
    }
    
    .testimonial-content {
        padding: 30px;
    }
    
    .partners-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
}