/* NB Brand Showcase – Frontend CSS */

.nb-brand-showcase {
    --nb-cols: 4;
    --nb-cols-tablet: 3;
    --nb-cols-mobile: 2;
    --nb-gap: 16px;
    --nb-logo-w: 180px;
    --nb-logo-h: 90px;
    --nb-box-w: 220px;
    --nb-box-h: 170px;
    --nb-radius: 0px;
    --nb-bg: #ffffff;
    --nb-border: rgba(17, 24, 39, 0.09);
    --nb-transition: .22s ease;
    width: 100%;
    max-width: var(--nb-maxw, 1480px);
    margin: 0 auto;
    padding-inline: clamp(10px, 2vw, 24px);
    box-sizing: border-box;
}

.nb-brand-grid {
    display: grid;
    grid-template-columns: repeat(var(--nb-cols), minmax(0, 1fr));
    gap: var(--nb-gap);
    align-items: stretch;
    justify-items: center;
    width: 100%;
    margin-inline: auto;
}

@media (max-width: 1280px) {
    .nb-brand-showcase {
        padding-inline: clamp(10px, 1.8vw, 20px);
    }
    .nb-brand-grid {
        grid-template-columns: repeat(var(--nb-cols-tablet), minmax(0, 1fr));
    }
}

@media (max-width: 1024px) {
    .nb-brand-grid {
        grid-template-columns: repeat(var(--nb-cols-tablet), minmax(0, 1fr));
        gap: max(12px, calc(var(--nb-gap) * 0.9));
    }
}

@media (max-width: 768px) {
    .nb-brand-showcase {
        padding-inline: 8px;
    }
    .nb-brand-grid {
        grid-template-columns: repeat(var(--nb-cols-mobile), minmax(0, 1fr));
        gap: max(10px, calc(var(--nb-gap) * 0.8));
    }
}

@media (max-width: 520px) {
    .nb-brand-grid {
        grid-template-columns: repeat(var(--nb-cols-mobile), minmax(0, 1fr));
    }
}

.nb-brand-card {
    background: var(--nb-bg);
    border: 1px solid var(--nb-border);
    border-radius: var(--nb-radius);
    transition: background var(--nb-transition), transform var(--nb-transition), opacity var(--nb-transition), box-shadow var(--nb-transition);
    width: min(100%, var(--nb-box-w));
    max-width: 100%;
    min-width: 0;
    overflow: hidden;
    margin-inline: auto;
    box-sizing: border-box;
}

.nb-brand-card a {
    min-height: var(--nb-box-h);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: clamp(18px, 2vw, 28px) clamp(14px, 1.5vw, 22px);
    text-decoration: none;
    gap: 12px;
    box-sizing: border-box;
    width: 100%;
}

.nb-brand-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    width: min(100%, var(--nb-logo-w));
    height: min(var(--nb-logo-h), calc(var(--nb-box-h) - 48px));
    margin: 0 auto;
}

.nb-brand-logo img {
    display: block;
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.nb-brand-placeholder {
    background: #f7f7f7;
    border-radius: calc(var(--nb-radius) * 0.7);
    width: 100%;
}

.nb-brand-placeholder span {
    font-size: 14px;
    line-height: 1.3;
    font-weight: 600;
    color: #4b5563;
    text-align: center;
    padding: 0 6px;
}

.nb-brand-name {
    font-size: 13px;
    line-height: 1.35;
    color: #374151;
    text-align: center;
    text-wrap: balance;
}

.nb-hover-none .nb-brand-card:hover {
    background: #fcfcfc;
    box-shadow: 0 10px 24px rgba(17, 24, 39, 0.06);
}

.nb-hover-fade .nb-brand-card:hover,
.nb-hover-scale .nb-brand-card:hover,
.nb-hover-grayscale .nb-brand-card:hover {
    background: #fcfcfc;
    box-shadow: 0 10px 24px rgba(17, 24, 39, 0.06);
}

.nb-hover-fade .nb-brand-card:hover .nb-brand-logo {
    opacity: .82;
    transform: scale(1.02);
}

.nb-hover-scale .nb-brand-card:hover .nb-brand-logo {
    transform: scale(1.05);
}

.nb-hover-grayscale .nb-brand-logo img {
    filter: grayscale(100%);
    opacity: .82;
}

.nb-hover-grayscale .nb-brand-card:hover .nb-brand-logo img {
    filter: grayscale(0%);
    opacity: 1;
}

.nb-brand-manual {
    background: #fff;
}

.nb-no-brands {
    grid-column: 1 / -1;
    text-align: center;
    padding: 40px 20px;
    color: #6b7280;
    border: 1px solid var(--nb-border);
    border-radius: var(--nb-radius);
    background: #fff;
}

.nb-pagination,
.nb-loadmore-wrap {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.nb-page-btn,
.nb-loadmore-btn {
    border: 1px solid #111827;
    background: #fff;
    color: #111827;
    border-radius: 999px;
    padding: 10px 18px;
    font-size: 13px;
    line-height: 1;
    cursor: pointer;
}

.nb-page-btn.nb-active,
.nb-loadmore-btn:hover,
.nb-page-btn:hover {
    background: #111827;
    color: #fff;
}