/**
 * Logo Carousel — sliding partner logo strip
 * Uses tokens from colors.css
 */

/* ===== Container ===== */
.logo-carousel {
    --lc-columns: var(--lc-columns-desktop, 5);
    position: relative;
    overflow: hidden;
    padding: var(--spacing-sm) 0;
}

.lc-track {
    display: flex;
    gap: var(--spacing-md);
    transition: transform 0.7s cubic-bezier(0.25, 0.1, 0.25, 1);
    will-change: transform;
}

/* ===== Logo item ===== */
.lc-item {
    flex: 0 0 calc((100% - var(--spacing-md) * (var(--lc-columns) - 1)) / var(--lc-columns));
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    border: 1px solid var(--surface-card-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    aspect-ratio: 3 / 2;
    transition:
        transform var(--transition-base),
        box-shadow var(--transition-base),
        border-color var(--transition-base);
    text-decoration: none;
}

.lc-item:hover {
    transform: translateY(calc(-1 * var(--motion-hover-lift)));
    box-shadow: var(--surface-card-shadow-hover);
    border-color: var(--secondary-200);
}

.lc-item:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring-shadow);
}

/* ===== Logo image ===== */
.lc-logo {
    display: block;
    max-width: 80%;
    max-height: 80%;
    width: auto;
    height: auto;
    object-fit: contain;
}

/* ===== Controls ===== */
.lc-controls {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.lc-prev,
.lc-next {
    width: 2.75rem;
    height: 2.75rem;
    border-radius: var(--radius-full);
    border: 1px solid var(--surface-card-border);
    background: var(--surface-card-bg);
    color: var(--primary-800);
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition:
        background-color var(--transition-fast),
        border-color var(--transition-fast),
        color var(--transition-fast),
        box-shadow var(--transition-fast),
        transform var(--transition-fast);
}

.lc-prev:hover,
.lc-next:hover {
    background: var(--secondary-50);
    border-color: var(--secondary-300);
    color: var(--secondary-600);
    transform: translateY(-1px);
}

.lc-prev:focus-visible,
.lc-next:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring-shadow);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .logo-carousel {
        --lc-columns: 3;
    }
}

@media (max-width: 640px) {
    .logo-carousel {
        --lc-columns: 2;
    }
}

/* ===== Reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
    .lc-track {
        transition: none !important;
    }

    .lc-item,
    .lc-prev,
    .lc-next {
        transition: none !important;
        transform: none !important;
    }

    .lc-item:hover,
    .lc-prev:hover,
    .lc-next:hover {
        transform: none !important;
    }
}