.crf-slider {
    position: relative;
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    overflow: hidden;
    background: #1a1a1a;
    --crf-ratio: 1440 / 580;
}

.crf-slider__viewport {
    width: 100%;
    aspect-ratio: var(--crf-ratio);
    overflow: hidden;
}

.crf-slider__track {
    display: flex;
    width: 100%;
    height: 100%;
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    will-change: transform;
}

.crf-slider__slide {
    min-width: 100%;
    height: 100%;
    flex-shrink: 0;
    background-size: cover;
    background-position: center;
}

.crf-slider__slide picture,
.crf-slider__slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ---- Progressive loading phases ---- */

/* Phase 1: LQIP background shows through, img starts transparent */
.crf-progressive {
    opacity: 0;
    transition: opacity 0.3s ease;
}
.crf-progressive img {
    opacity: 0;
    transition: opacity 0.4s ease;
}

/* Phase 2: Medium loaded — show it */
.crf-progressive[data-phase="medium"] img {
    opacity: 1;
}
.crf-progressive[data-phase="medium"] {
    opacity: 1;
}

/* Phase 3: Full loaded — sharp */
.crf-progressive[data-phase="full"] img {
    opacity: 1;
}
.crf-progressive[data-phase="full"] {
    opacity: 1;
}

/* Lazy slides: hidden until loaded */
.crf-lazy[data-loaded="false"] img {
    opacity: 0;
}
.crf-lazy[data-loaded="true"] img {
    opacity: 1;
    transition: opacity 0.3s ease;
}

/* ---- Arrows ---- */

.crf-slider__arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 48px;
    height: 48px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    color: #333;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, opacity 0.25s, transform 0.2s;
    opacity: 0;
    padding: 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.crf-slider:hover .crf-slider__arrow {
    opacity: 1;
}

.crf-slider__arrow:hover {
    background: #fff;
    transform: translateY(-50%) scale(1.08);
}

.crf-slider__arrow--prev { left: 20px; }
.crf-slider__arrow--next { right: 20px; }

/* ---- Dots ---- */

.crf-slider__dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.crf-slider__dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.8);
    background: transparent;
    cursor: pointer;
    padding: 0;
    transition: background 0.2s, transform 0.2s;
}

.crf-slider__dot.is-active {
    background: #fff;
    transform: scale(1.15);
}

.crf-slider__dot:hover {
    background: rgba(255, 255, 255, 0.5);
}

/* ---- Responsive ---- */

@media (max-width: 1024px) {
    .crf-slider {
        --crf-ratio: 960 / 480;
    }

    .crf-slider__arrow {
        width: 40px;
        height: 40px;
        opacity: 0.7;
    }

    .crf-slider__arrow--prev { left: 12px; }
    .crf-slider__arrow--next { right: 12px; }

    .crf-slider__arrow svg {
        width: 16px;
        height: 16px;
    }

    .crf-slider__dots {
        bottom: 14px;
        gap: 8px;
    }

    .crf-slider__dot {
        width: 10px;
        height: 10px;
    }
}

@media (max-width: 640px) {
    .crf-slider {
        --crf-ratio: 640 / 400;
    }

    .crf-slider__arrow {
        width: 34px;
        height: 34px;
        opacity: 1;
        background: rgba(255, 255, 255, 0.7);
    }

    .crf-slider__arrow:hover {
        transform: translateY(-50%) scale(1.05);
    }

    .crf-slider__arrow--prev { left: 8px; }
    .crf-slider__arrow--next { right: 8px; }

    .crf-slider__arrow svg {
        width: 14px;
        height: 14px;
    }

    .crf-slider__dots {
        bottom: 10px;
        gap: 6px;
    }

    .crf-slider__dot {
        width: 8px;
        height: 8px;
        border-width: 1.5px;
    }
}