*, *::before, *::after { box-sizing: border-box; }

body {
    margin: 0;
    min-height: 100vh;
    display: grid;
    place-items: center;
    background: #111;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    color: #eee;
}

main { width: 100%; max-width: 1000px; padding: 16px; }

.slider {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    border-radius: 12px;
    background: #000;
    outline: none;
    user-select: none;
}
.slider:focus-visible { box-shadow: 0 0 0 3px #e1306c; }

.slider-track { position: absolute; inset: 0; }

.slider-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity .6s ease, visibility 0s linear .6s;
}
.slider-slide.is-active {
    opacity: 1;
    visibility: visible;
    transition: opacity .6s ease, visibility 0s;
}

.slider-slide a { display: block; width: 100%; height: 100%; cursor: pointer; }

.slider-slide img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    -webkit-user-drag: none;
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    width: 44px;
    height: 44px;
    border: 0;
    border-radius: 50%;
    background: rgba(0, 0, 0, .5);
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    transition: background .2s;
}
.slider-btn:hover, .slider-btn:focus-visible { background: rgba(0, 0, 0, .8); }
.slider-btn:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }
.slider-prev { left: 12px; }
.slider-next { right: 12px; }

.slider-dots {
    position: absolute;
    bottom: 12px;
    left: 0;
    right: 0;
    z-index: 2;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    padding: 0 60px;
}
.slider-dot {
    width: 10px;
    height: 10px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, .45);
    cursor: pointer;
}
.slider-dot.is-active { background: #fff; transform: scale(1.25); }
.slider-dot:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }

.slider-empty { text-align: center; opacity: .7; }

@media (prefers-reduced-motion: reduce) {
    .slider-slide, .slider-slide.is-active { transition: none; }
}