/* ==========================================================================
   Partners Block
   ========================================================================== */

.partners {
    padding: var(--spacing-xl, 4rem) 0;
}

.partners__title {
    text-align: center;
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0 0 3rem;
    color: var(--color-dark, #212529);
}

.partners__groups {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

/* Partner Group */
.partner-group {
    text-align: center;
}

.partner-group__title {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-gray, #6c757d);
    margin: 0 0 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid #eee;
}

.partner-group__logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 2rem;
}

.partner-group__logos--few {
    gap: 3rem;
}

.partner-group__logos--many {
    gap: 1.5rem;
}

/* Partner Logo */
.partner-logo {
    display: flex;
    align-items: center;
    justify-content: center;
}

.partner-logo__link {
    display: block;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.partner-logo__link:hover {
    opacity: 0.8;
    transform: scale(1.05);
}

.partner-logo__image {
    max-width: 150px;
    max-height: 60px;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: filter 0.3s ease, opacity 0.3s ease;
}

.partner-logo:hover .partner-logo__image {
    filter: grayscale(0%);
    opacity: 1;
}

/* Main sponsor - bigger logo */
.partner-group:first-child .partner-logo__image {
    max-width: 200px;
    max-height: 80px;
    filter: grayscale(0%);
    opacity: 1;
}

.partner-logo__placeholder {
    width: 100px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f5f5f5;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    color: #999;
    font-size: 1.25rem;
    font-weight: 600;
}

.partner-group__empty {
    color: var(--color-gray, #6c757d);
    font-size: 0.875rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 4px;
}

/* CTA */
.partners__cta {
    text-align: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid #eee;
}

.partners__empty {
    text-align: center;
    color: var(--color-gray, #6c757d);
    padding: 2rem;
    background: #f8f9fa;
    border-radius: 8px;
}

/* Responsive */
@media (max-width: 768px) {
    .partner-group__logos {
        gap: 1.5rem;
    }

    .partner-logo__image {
        max-width: 100px;
        max-height: 50px;
    }

    .partner-group:first-child .partner-logo__image {
        max-width: 150px;
        max-height: 60px;
    }
}