.samples-section {
    overflow: hidden;
}
.samples-slider {
    position: relative;
    margin-top: 1.8rem;
    padding: 0 3rem;
}
.slider-track {
    display: flex;
    gap: 1rem;
    overflow-x: auto;
    scroll-behavior: smooth;
    scroll-snap-type: x mandatory;
    -ms-overflow-style: none;
    scrollbar-width: none;
}
.slider-track::-webkit-scrollbar { display: none; }
.slider-item {
    flex: 0 0 calc((100% - 3rem) / 4);
    border-radius: 1.2rem;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.08);
    min-height: 210px;
}
.slider-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(13, 15, 28, 0.8);
    border: 1px solid rgba(255,255,255,0.2);
    color: #fff;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    display: grid;
    place-items: center;
    font-size: 1.2rem;
    transition: background 0.2s ease;
    z-index: 2;
}
.slider-btn:hover {
    background: rgba(255,183,3,0.85);
    color: #111;
}
.slider-btn.prev { left: 0.5rem; }
.slider-btn.next { right: 0.5rem; }
@media (max-width: 1024px) {
    .samples-slider { padding: 0 2.4rem; }
    .slider-item {
        flex: 0 0 calc((100% - 1rem) / 2);
    }
}
@media (max-width: 640px) {
    .samples-slider { padding: 0 2.2rem; }
    .slider-track {
        gap: 0.8rem;
    }
    .slider-item {
        flex: 0 0 100%;
    }
    .slider-btn {
        width: 38px;
        height: 38px;
    }
}