/**
 * FlexBase - Partners Section
 * Logo grid for partners, clients, or sponsors
 */

/* ========================================
   Partners Container
   ======================================== */

.partners {
    background-color: var(--bg-primary);
}

/* Alternate background */
.partners--gray {
    background-color: var(--bg-secondary);
}

/* ========================================
   Partners Grid
   ======================================== */

.partners__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-6);
    align-items: center;
    justify-items: center;
}

@media (min-width: 480px) {
    .partners__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 768px) {
    .partners__grid {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-8);
    }
}

@media (min-width: 1024px) {
    .partners__grid {
        grid-template-columns: repeat(6, 1fr);
    }
}

/* Fewer columns variant */
.partners--large .partners__grid {
    grid-template-columns: repeat(2, 1fr);
}

@media (min-width: 768px) {
    .partners--large .partners__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .partners--large .partners__grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ========================================
   Partner Item
   ======================================== */

.partners__item {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-4);
    width: 100%;
    max-width: 180px;
    transition:
        transform var(--transition-fast),
        opacity var(--transition-fast);
}

/* Clickable item (link) */
a.partners__item {
    cursor: pointer;
}

a.partners__item:hover {
    transform: scale(1.05);
}

a.partners__item:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 4px;
    border-radius: var(--radius-md);
}

/* ========================================
   Partner Logo
   ======================================== */

.partners__logo {
    max-width: 100%;
    height: auto;
    max-height: 3.5rem;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.6;
    transition:
        filter var(--transition-normal),
        opacity var(--transition-normal);
}

.partners__item:hover .partners__logo,
a.partners__item:focus-visible .partners__logo {
    filter: grayscale(0%);
    opacity: 1;
}

/* Larger logos variant */
.partners--large .partners__logo {
    max-height: 5rem;
}

@media (min-width: 768px) {
    .partners__logo {
        max-height: 4rem;
    }

    .partners--large .partners__logo {
        max-height: 6rem;
    }
}

/* ========================================
   Partners Variants
   ======================================== */

/* Colored logos (no grayscale) */
.partners--colored .partners__logo {
    filter: none;
    opacity: 0.8;
}

.partners--colored .partners__item:hover .partners__logo {
    opacity: 1;
}

/* With border cards */
.partners--bordered .partners__item {
    background-color: var(--color-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-6);
    max-width: none;
}

.partners--bordered .partners__item:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

/* Compact variant */
.partners--compact .partners__grid {
    gap: var(--spacing-4);
}

.partners--compact .partners__item {
    padding: var(--spacing-2);
}

.partners--compact .partners__logo {
    max-height: 2.5rem;
}

/* ========================================
   Centered Header
   ======================================== */

.partners .section__header {
    text-align: center;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ========================================
   Partner Name (optional tooltip)
   ======================================== */

.partners__name {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--spacing-2) var(--spacing-3);
    background-color: var(--bg-inverse);
    color: var(--color-white);
    font-size: var(--text-xs);
    white-space: nowrap;
    border-radius: var(--radius-md);
    opacity: 0;
    visibility: hidden;
    transition:
        opacity var(--transition-fast),
        visibility var(--transition-fast);
    pointer-events: none;
}

.partners__item {
    position: relative;
}

.partners__item:hover .partners__name {
    opacity: 1;
    visibility: visible;
}