/* SSCI Gallery Before/After Section */

.lxf-gallery-ba {
    padding-block: var(--lxf-space-10);
}

.lxf-gallery-ba__header {
    text-align: center;
    margin-block-end: var(--lxf-space-5);
}

.lxf-gallery-ba__heading {
    font-family: var(--lxf-font-heading);
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 700;
    color: var(--lxf-navy);
    margin-block: 0 0.5rem;
}

.lxf-gallery-ba__subheading {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--lxf-fg-sub) !important;
    display: block;
    margin-block: 0 0;
}

.lxf-gallery-ba__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 360px), 1fr));
    gap: var(--lxf-space-4);
}

.lxf-gallery-ba__pair {
    margin: 0;
}

/* Split-screen slider container */
.lxf-gallery-ba__slider {
    position: relative;
    overflow: hidden;
    border-radius: var(--lxf-radius-md);
    aspect-ratio: 4 / 3;
    background-color: var(--lxf-gray-200);
    cursor: col-resize;
    user-select: none;
    touch-action: none;
}

/* Both images fill container */
.lxf-gallery-ba__img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    pointer-events: none;
}

/* After image sits below */
.lxf-gallery-ba__img--after {
    z-index: 1;
}

/* Before image clips to the left portion via --split */
.lxf-gallery-ba__img--before {
    z-index: 2;
    clip-path: polygon(0 0, var(--split, 50%) 0, var(--split, 50%) 100%, 0 100%);
}

/* Vertical divider line — transparent gap where the circular handle sits */
.lxf-gallery-ba__divider {
    position: absolute;
    top: 0;
    bottom: 0;
    left: var(--split, 50%);
    transform: translateX(-50%);
    width: 2px;
    background: linear-gradient(
        to bottom,
        var(--lxf-white) calc(50% - 23px),
        transparent calc(50% - 23px),
        transparent calc(50% + 23px),
        var(--lxf-white) calc(50% + 23px)
    );
    z-index: 3;
    pointer-events: none;
}

/* Drag handle button */
.lxf-gallery-ba__handle {
    position: absolute;
    top: 50%;
    left: var(--split, 50%);
    transform: translate(-50%, -50%);
    z-index: 4;
    width: 44px;
    height: 44px;
    border-radius: var(--lxf-radius-full);
    background: transparent;
    border: 2px solid var(--lxf-white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: col-resize;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    padding: 0;
    transition: background-color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.lxf-gallery-ba__handle:hover,
.lxf-gallery-ba__handle:active {
    background-color: var(--lxf-blue);
    border-color: var(--lxf-blue);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

/* Left / right directional arrows */
.lxf-gallery-ba__handle::before,
.lxf-gallery-ba__handle::after {
    content: '';
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
    pointer-events: none;
}

.lxf-gallery-ba__handle::before {
    border-right: 7px solid var(--lxf-white);
    right: calc(100% + 6px);
}

.lxf-gallery-ba__handle::after {
    border-left: 7px solid var(--lxf-white);
    left: calc(100% + 6px);
}

/* Tooth logo */
.lxf-gallery-ba__handle-icon {
    width: 34px;
    height: 34px;
    display: block;
    filter: brightness(0) invert(1);
    pointer-events: none;
    transition: filter 0.25s ease;
}

.lxf-gallery-ba__handle:hover .lxf-gallery-ba__handle-icon,
.lxf-gallery-ba__handle:active .lxf-gallery-ba__handle-icon {
    filter: brightness(0) invert(1);
}

.lxf-gallery-ba__handle:focus-visible {
    outline: 2px solid var(--lxf-blue);
    outline-offset: 2px;
}

/* Labels */
.lxf-gallery-ba__labels {
    position: absolute;
    inset-inline: 0;
    bottom: 0;
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0.75rem;
    z-index: 5;
    pointer-events: none;
}

.lxf-gallery-ba__label {
    font-family: var(--lxf-font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--lxf-white);
    background-color: rgba(0, 0, 0, 0.5);
    padding: 0.2rem 0.5rem;
    border-radius: var(--lxf-radius-sm);
}

.lxf-gallery-ba__caption {
    font-size: 0.875rem;
    color: var(--lxf-gray-600);
    text-align: center;
    margin-block-start: 0.625rem;
    font-style: italic;
}

@media (max-width: 767px) {
    .lxf-gallery-ba {
        padding-block: 3rem;
    }

    .lxf-gallery-ba__grid {
        gap: var(--lxf-space-3);
    }
}