/**
 * EULAI Product Catalog
 *
 * Products Hub + Product Category Archive
 * Shared layout.
 */

/* --------------------------------------------------
   01. Page shell
-------------------------------------------------- */

.eulai-product-catalog {
    min-height: 60vh;
    padding-block: 4.5rem 6rem;
    background: var(--eulai-color-canvas);
}

.eulai-product-catalog__layout {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 2.85fr);
    gap: 3rem;
    align-items: start;
}

.eulai-product-catalog__sidebar,
.eulai-product-catalog__content {
    min-width: 0;
}

/* --------------------------------------------------
   02. Sidebar navigation
-------------------------------------------------- */

.eulai-product-sidebar__list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.eulai-product-sidebar__item {
    min-width: 0;
    margin: 0;
    padding: 0;
}

.eulai-product-sidebar__link {
    --eulai-category-icon-start: var(--eulai-color-brand);
    --eulai-category-icon-mid: var(--eulai-color-brand);
    --eulai-category-icon-end: var(--eulai-color-brand);

    position: relative;
    isolation: isolate;

    display: flex;
    align-items: center;
    gap: 1rem;

    min-height: 4.75rem;
    padding: 1rem 1.25rem;

    overflow: hidden;
    border-radius: 0.75rem;

    background: var(--eulai-color-surface);
    color: var(--eulai-color-text);

    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1.5;
    text-decoration: none;

    transition: color 300ms ease;
}

.eulai-product-sidebar__link::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;

    background: var(--eulai-gradient-brand);

    transform: scaleX(0);
    transform-origin: left center;

    transition: transform 500ms cubic-bezier(0.22, 1, 0.36, 1);
}

.eulai-product-sidebar__link:hover::before,
.eulai-product-sidebar__link:focus-visible::before,
.eulai-product-sidebar__link.is-active::before {
    transform: scaleX(1);
}

.eulai-product-sidebar__link:hover,
.eulai-product-sidebar__link:focus-visible,
.eulai-product-sidebar__link.is-active {
    --eulai-category-icon-start: var(--eulai-color-text-inverse);
    --eulai-category-icon-mid: var(--eulai-color-text-inverse);
    --eulai-category-icon-end: var(--eulai-color-text-inverse);

    color: var(--eulai-color-text-inverse);
}

.eulai-product-sidebar__link:focus-visible {
    outline: 2px solid var(--eulai-color-brand);
    outline-offset: 3px;
}

.eulai-product-sidebar__icon {
    display: flex;
    flex: 0 0 2rem;
    align-items: center;
    justify-content: center;

    width: 2rem;
    height: 2rem;
}

.eulai-product-sidebar__icon svg {
    display: block;
    width: 100%;
    height: 100%;
}

.eulai-product-sidebar__name {
    position: relative;
    z-index: 1;
    min-width: 0;
}

/* --------------------------------------------------
   03. Catalog header
-------------------------------------------------- */

.eulai-product-catalog__header {
    margin-bottom: 3rem;
}

.eulai-product-catalog__title {
    margin: 0;

    color: var(--eulai-color-text);
    font-size: clamp(2rem, 3vw, 3rem);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.025em;
}

.eulai-product-catalog__intro {
    max-width: 48rem;
    margin-top: 1.25rem;

    color: var(--eulai-color-text-secondary);
    font-size: 1rem;
    line-height: 1.8;
}

.eulai-product-catalog__intro > :first-child {
    margin-top: 0;
}

.eulai-product-catalog__intro > :last-child {
    margin-bottom: 0;
}

/* --------------------------------------------------
   04. Product grid
-------------------------------------------------- */

.eulai-product-catalog__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 2rem 1.5rem;
}

.eulai-product-card {
    min-width: 0;
    margin: 0;
}

.eulai-product-card__link {
    display: flex;
    flex-direction: column;

    height: 100%;

    background: var(--eulai-color-surface);
    border-radius: 0.5rem;
    overflow: hidden;

    color: var(--eulai-color-text);
    text-decoration: none;

    transition:
        transform 360ms cubic-bezier(0.22, 1, 0.36, 1),
        box-shadow 360ms ease;
}

.eulai-product-card__link:hover {
    transform: translateY(-0.25rem);
    box-shadow: 0 0.75rem 1.75rem rgb(23 25 28 / 8%);
}

.eulai-product-card__link:focus-visible {
    outline: 2px solid var(--eulai-color-brand);
    outline-offset: 3px;
}

.eulai-product-card__media {
    display: flex;
    align-items: center;
    justify-content: center;

    width: 100%;
    aspect-ratio: 1 / 1;

    padding: 1rem;
    background: var(--eulai-color-surface);
    overflow: hidden;
}

.eulai-product-card__image {
    display: block;

    width: 100%;
    height: 100%;

    object-fit: contain;

    transition: transform 500ms cubic-bezier(0.22, 1, 0.36, 1);
}

.eulai-product-card__link:hover .eulai-product-card__image {
    transform: scale(1.035);
}

.eulai-product-card__title {
    margin: 0;
    padding: 0.875rem 1rem 1.125rem;

    color: inherit;
    font-size: 0.9375rem;
    font-weight: 500;
    line-height: 1.5;
    text-align: center;
}

/* --------------------------------------------------
   05. Pagination
-------------------------------------------------- */

.eulai-product-catalog__pagination {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;

    margin-top: 3.5rem;
}

.eulai-product-catalog__pagination .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    min-width: 2.75rem;
    min-height: 2.75rem;
    padding: 0.5rem 0.75rem;

    border-radius: 0.375rem;
    background: var(--eulai-color-surface);

    color: var(--eulai-color-text);
    font-size: 0.875rem;
    line-height: 1.4;
    text-decoration: none;

    transition:
        background-color 200ms ease,
        color 200ms ease;
}

.eulai-product-catalog__pagination a.page-numbers:hover,
.eulai-product-catalog__pagination a.page-numbers:focus-visible,
.eulai-product-catalog__pagination .page-numbers.current {
    background: var(--eulai-gradient-brand);
    color: var(--eulai-color-text-inverse);
}

.eulai-product-catalog__pagination a.page-numbers:focus-visible {
    outline: 2px solid var(--eulai-color-brand);
    outline-offset: 3px;
}

/* --------------------------------------------------
   06. Empty state
-------------------------------------------------- */

.eulai-product-catalog__empty {
    padding: 3rem 1.5rem;
    background: var(--eulai-color-surface);
    border-radius: 0.5rem;
    color: var(--eulai-color-text-secondary);
}

.eulai-product-catalog__empty p {
    margin: 0;
}

/* --------------------------------------------------
   07. Tablet
-------------------------------------------------- */

@media (max-width: 999px) {

    .eulai-product-catalog {
        padding-block: 3.5rem 4.5rem;
    }

    .eulai-product-catalog__layout {
        grid-template-columns: minmax(0, 1fr);
        gap: 2.5rem;
    }

    .eulai-product-sidebar__list {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 0.75rem;
    }

    .eulai-product-sidebar__link {
        min-height: 4rem;
        padding: 0.75rem;
        gap: 0.75rem;
        font-size: 0.875rem;
    }

    .eulai-product-sidebar__icon {
        flex-basis: 1.75rem;
        width: 1.75rem;
        height: 1.75rem;
    }

    .eulai-product-catalog__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .eulai-product-catalog__header {
        margin-bottom: 2.25rem;
    }
}

/* --------------------------------------------------
   08. Mobile
-------------------------------------------------- */

@media (max-width: 767px) {

    .eulai-product-catalog {
        padding-block: 2.5rem 3.5rem;
    }

    .eulai-product-catalog__layout {
        gap: 2rem;
    }

    .eulai-product-sidebar__list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.5rem;
    }

    .eulai-product-sidebar__link {
        min-height: 3.75rem;
        padding: 0.625rem;
        gap: 0.5rem;
        font-size: 0.8125rem;
    }

    .eulai-product-sidebar__icon {
        flex-basis: 1.5rem;
        width: 1.5rem;
        height: 1.5rem;
    }

    .eulai-product-catalog__title {
        font-size: 2rem;
    }

    .eulai-product-catalog__intro {
        font-size: 0.9375rem;
        line-height: 1.75;
    }

    .eulai-product-catalog__grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 1.25rem;
    }

    .eulai-product-card__media {
        aspect-ratio: 4 / 3;
    }

    .eulai-product-catalog__pagination {
        margin-top: 2.5rem;
    }
}

/* --------------------------------------------------
   09. Reduced motion
-------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {

    .eulai-product-sidebar__link,
    .eulai-product-sidebar__link::before,
    .eulai-product-card__link,
    .eulai-product-card__image,
    .eulai-product-catalog__pagination .page-numbers {
        transition: none;
    }

    .eulai-product-card__link:hover,
    .eulai-product-card__link:hover .eulai-product-card__image {
        transform: none;
    }
}


/* --------------------------------------------------
   10. Product Catalog — Entrance Motion
-------------------------------------------------- */

@media (prefers-reduced-motion: no-preference) {

    /* Sidebar: left to right */

    .eulai-product-catalog.is-entrance-visible
    .eulai-product-catalog__sidebar {
        animation: eulai-catalog-enter-left
            900ms ease both;
    }

    /* Content: right to left */

    .eulai-product-catalog.is-entrance-visible
    .eulai-product-catalog__content {
        animation: eulai-catalog-enter-right
            900ms ease both;
    }
}

@keyframes eulai-catalog-enter-left {
    from {
        opacity: 0;
        transform: translateX(-2.5rem);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes eulai-catalog-enter-right {
    from {
        opacity: 0;
        transform: translateX(2.5rem);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}