/* References Section & Slider */
.references-section {
    padding: 5rem 0;
    overflow: hidden;
    background: var(--bg-body);
}

.references-section .section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.references-slider {
    position: relative;
    width: 100%;
    overflow: hidden;
    padding: 1rem 0;
    /* Fade masks on sides */
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.references-track {
    display: flex;
    width: max-content;
    gap: 2rem;
    animation: scroll 40s linear infinite;
}

.references-slider:hover .references-track {
    animation-play-state: paused;
}

.reference-item {
    width: 220px;
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    font-weight: 700;
    color: var(--text-muted);
    font-size: 1.1rem;
    text-align: center;
    
    /* Enhanced Glassmorphism */
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
    user-select: none;
}

.reference-item img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: all 0.3s ease;
}

.reference-item:hover {
    transform: translateY(-5px) scale(1.02);
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    border-color: var(--primary-light);
    color: var(--primary);
}

.reference-item:hover img {
    filter: grayscale(0%);
    opacity: 1;
    transform: scale(1.1);
}

@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* Mobile responsiveness for slider */
@media (max-width: 768px) {
    .references-track {
        gap: 1rem;
        animation-duration: 30s;
    }
    
    .reference-item {
        width: 160px;
        height: 100px;
        padding: 1rem;
        font-size: 0.9rem;
    }
}