/* lib/styles/components/knowledge_preview_carousel.css */

.knowledge-carousel-shell {
    position: relative;
    width: 100%;
}

.knowledge-carousel-edge {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 48px;
    z-index: 2;
    pointer-events: none;
}

.knowledge-carousel-edge--left {
    left: 0;
    background: linear-gradient(90deg, rgba(244, 248, 247, 0.96) 0%, rgba(244, 248, 247, 0) 100%);
}

.knowledge-carousel-edge--right {
    right: 0;
    background: linear-gradient(270deg, rgba(244, 248, 247, 0.96) 0%, rgba(244, 248, 247, 0) 100%);
}

.knowledge-carousel-wrapper {
    position: relative;
    width: 100%;
}

.knowledge-carousel {
    display: flex;
    gap: var(--space-lg);
    overflow-x: auto;
    overflow-y: visible;
    overscroll-behavior-x: contain;
    scroll-snap-type: x proximity;
    scroll-behavior: smooth;
    padding-top: var(--space-xs);
    padding-bottom: var(--space-lg);
    min-width: 0;
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.knowledge-carousel::-webkit-scrollbar {
    display: none;
}

.knowledge-card {
    scroll-snap-align: start;
    flex: 0 0 clamp(280px, 31vw, 360px);
    min-width: 0;
    min-height: 100%;
    display: flex;
    flex-direction: column;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(247, 247, 245, 1) 100%);
    border: 1px solid rgba(16, 32, 48, 0.08);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-card);
    transition:
        transform var(--transition-normal),
        box-shadow var(--transition-normal),
        border-color var(--transition-fast);
    will-change: transform, box-shadow;
    position: relative;
    overflow: hidden;
}

.knowledge-card::before {
    content: '';
    position: absolute;
    inset: 0 auto auto 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, rgba(29, 118, 112, 0.34), rgba(29, 118, 112, 0.10));
}

.knowledge-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-card-hover);
    border-color: rgba(29, 118, 112, 0.18);
}

.knowledge-card__meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.knowledge-card__icon-wrapper {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    background:
        linear-gradient(180deg, rgba(29, 118, 112, 0.10) 0%, rgba(29, 118, 112, 0.06) 100%);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.knowledge-card__eyebrow {
    font-family: var(--font-heading);
    font-size: var(--fs-label);
    font-weight: var(--fw-bold);
    color: var(--color-support-gold);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    line-height: 1.2;
}

.knowledge-card__title {
    font-size: var(--fs-h4);
    color: var(--color-justice-blue);
    margin: 0 0 var(--space-sm);
    line-height: var(--lh-heading-3);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: calc(var(--fs-h4) * var(--lh-heading-3) * 2);
}

.knowledge-card__summary {
    font-size: var(--fs-body);
    color: rgba(16, 32, 48, 0.88);
    line-height: 1.65;
    margin-bottom: var(--space-lg);
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.knowledge-card__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--fs-small);
    font-weight: var(--fw-semibold);
    color: var(--color-guidance-teal);
    text-decoration: none;
    margin-top: auto;
    width: fit-content;
    transition: color var(--transition-fast);
}

.knowledge-card:hover .knowledge-card__link,
.knowledge-card__link:hover {
    color: var(--color-justice-blue);
}

.knowledge-card__link-text {
    position: relative;
}

.knowledge-card__link-text::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 100%;
    height: 1px;
    background-color: currentColor;
    opacity: 0.24;
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.knowledge-card:hover .knowledge-card__link-text::after,
.knowledge-card__link:hover .knowledge-card__link-text::after {
    transform: scaleX(1);
    opacity: 0.34;
}

.knowledge-card__link-icon {
    font-size: 12px;
    transition: transform var(--transition-fast);
}

.knowledge-card:hover .knowledge-card__link-icon,
.knowledge-card__link:hover .knowledge-card__link-icon {
    transform: translateX(4px);
}

.knowledge-card__link:focus-visible {
    outline: var(--focus-outline);
    outline-offset: var(--focus-offset);
    border-radius: var(--radius-sm);
}

/* Mobile / tablet full-bleed scroll */
@media (max-width: 1279px) {
    .knowledge-carousel-wrapper {
        margin-left: calc(var(--container-padding) * -1);
        margin-right: calc(var(--container-padding) * -1);
        padding-left: var(--container-padding);
        padding-right: var(--container-padding);
    }
}

/* Larger desktops: fit neatly inside the container */
@media (min-width: 1280px) {
    .knowledge-card {
        flex-basis: calc((100% - (2 * var(--space-lg))) / 3);
    }
}

/* Smaller phones */
@media (max-width: 640px) {
    .knowledge-carousel {
        gap: var(--space-md);
    }

    .knowledge-card {
        flex-basis: min(85%, 320px);
        padding: var(--space-lg);
    }

    .knowledge-card__summary {
        font-size: var(--fs-small);
        line-height: 1.6;
    }

    .knowledge-carousel-edge {
        width: 24px;
    }
}

/* Reduced Motion Override */
@media (prefers-reduced-motion: reduce) {
    .knowledge-card:hover {
        transform: none;
    }

    .knowledge-card:hover .knowledge-card__link-icon,
    .knowledge-card__link:hover .knowledge-card__link-icon {
        transform: none;
    }
}