.slider {
    position: relative;
    max-width: 900px;
    margin: 4rem auto;
    padding: 0 1rem;
    overflow: hidden; /* hide scrollbar */
    border-radius: 12px;
    box-shadow: inset 0 -5px 8px -5px rgba(0, 0, 0, 0.1);
}

.slider__track {
    display: flex;
    gap: 10px;
    width: max-content; /* size based on content */
    animation: scroll-left 40s linear infinite;
}

.slider__slide {
    flex: 0 0 auto;
    width: auto;
    height: 200px;
    display: flex;
    justify-content: center;
    align-items: center;
    user-select: none;
}

    .slider__slide img {
        max-width: 100%;
        max-height: 100%;
        object-fit: contain;
        border-radius: 8px;
        box-shadow: 0 2px 8px rgba(10, 61, 98, 0.12);
        cursor: default;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

        .slider__slide img:hover,
        .slider__slide img:focus {
            transform: scale(1.1);
            box-shadow: 0 4px 14px rgba(10, 61, 98, 0.25);
            outline: none;
        }

@media (max-width: 600px) {
    .section.happy-clients h3 {
        font-size: 1.8rem;
        margin-bottom: 1.25rem;
    }

    .slider__slide {
        width: auto;
        height: 100px;
    }
}

/* Scroll animation from 0 to -50% width for seamless loop */
@keyframes scroll-left {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(calc(-50% - 0.75rem));
    }
}