/* ===================================================================
   Makeup Artist Pro — Shop by Brand (A-Z index)
   Reuses design tokens from products_browse.css. Compact wrapping-chip
   layout (not cards) — hundreds of brands need to pack tight, not sprawl.
   =================================================================== */

.bi-jumpnav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin: 0 0 1.25rem;
    position: sticky;
    background: #fff8f8;
    padding: 0.5rem 0;
    /* Desktop: this nav lives inside .pb-shop-col--brand's scroll box, so it
       sticks to that box's top edge rather than the viewport. */
    top: 0;
    z-index: 5;
}

.bi-jumpnav a,
.bi-jumpnav button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    font-family: var(--font-body);
    font-size: 0.78rem;
    font-weight: 600;
    text-decoration: none;
    color: var(--c-gold);
    background: #fff;
    border: 1px solid rgba(214, 160, 160, 0.35);
    padding: 0;
    cursor: pointer;
    transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease;
}

.bi-jumpnav a:hover,
.bi-jumpnav button:hover,
.bi-jumpnav button[aria-current="true"] {
    background: var(--c-gold);
    color: #fff;
    transform: translateY(-2px);
}

.bi-jumpnav button:focus-visible {
    outline: 2px solid var(--c-gold);
    outline-offset: 2px;
}

.bi-letter-group {
    margin-bottom: 2.25rem;
    /* Clear the jump-nav, sticky at the top of its own scroll box on desktop
       (overridden below at 1024px, once it's page-level sticky instead). */
    scroll-margin-top: 4rem;
}

.bi-letter-group__heading {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--c-text);
    margin: 0 0 0.9rem;
    padding-bottom: 0.4rem;
    border-bottom: 1px solid rgba(214, 160, 160, 0.35);
}

.bi-chip-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.bi-chip {
    display: inline-flex;
    align-items: baseline;
    gap: 0.4rem;
    padding: 0.4rem 0.85rem;
    border-radius: 999px;
    font-family: var(--font-body);
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--c-text);
    text-decoration: none;
    white-space: nowrap;
    background: #fff;
    border: 1px solid rgba(214, 160, 160, 0.35);
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.bi-chip:hover {
    background: var(--c-gold);
    border-color: var(--c-gold);
    color: #fff;
    transform: translateY(-1px);
}

.bi-chip__count {
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--c-gold);
    opacity: 0.75;
}

.bi-chip:hover .bi-chip__count {
    color: #fff;
    opacity: 0.85;
}

@media (max-width: 480px) {
    .bi-jumpnav a,
    .bi-jumpnav button {
        width: 26px;
        height: 26px;
        font-size: 0.7rem;
    }

    .bi-chip {
        padding: 0.35rem 0.7rem;
        font-size: 0.78rem;
    }
}