.sponsor-grid-section {
    margin-top: 68px;
}

.sponsor-logo-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
    margin-top: 28px;
}

.sponsor-logo-card {
    position: relative;
    z-index: 1;
    display: block;
    overflow: visible;
    min-width: 0;
    aspect-ratio: 1 / 1;
    border: 1px solid #e3dfda;
    border-radius: 14px;
    color: var(--ink);
    background: #fff;
    box-shadow: 0 10px 26px rgba(24, 28, 32, .06);
    transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.sponsor-logo-card-link {
    cursor: pointer;
}

.sponsor-logo-card:hover,
.sponsor-logo-card:focus-visible {
    z-index: 20;
    transform: translateY(-4px);
    border-color: var(--orange);
    box-shadow: 0 18px 36px rgba(24, 28, 32, .13);
    outline: none;
}

.sponsor-logo-card-media {
    display: flex;
    width: 100%;
    height: 100%;
    overflow: hidden;
    align-items: center;
    justify-content: center;
    padding: clamp(22px, 3vw, 38px);
    border-radius: inherit;
    background: #fff;
}

.sponsor-logo-card-media img {
    width: 100%;
    height: 100%;
    max-height: 180px;
    object-fit: contain;
    object-position: center;
}

.sponsor-logo-fallback {
    color: var(--ink);
    font-size: 1.12rem;
    font-weight: 850;
    line-height: 1.2;
    text-align: center;
}

.sponsor-logo-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 30;
    display: flex;
    width: min(420px, calc(100vw - 32px));
    min-width: 100%;
    min-height: 100%;
    height: max-content;
    overflow: visible;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 26px 24px;
    border: 1px solid rgba(255, 255, 255, .16);
    border-radius: 14px;
    color: #fff;
    background: rgba(21, 23, 25, .98);
    box-shadow: 0 24px 55px rgba(0, 0, 0, .32);
    opacity: 0;
    pointer-events: none;
    transform: translate(-50%, -50%) translateY(10px);
    transition: opacity .2s ease, transform .2s ease;
    text-align: center;
}

.sponsor-logo-card:hover .sponsor-logo-overlay,
.sponsor-logo-card:focus-visible .sponsor-logo-overlay {
    opacity: 1;
    pointer-events: auto;
    transform: translate(-50%, -50%);
}

.sponsor-logo-card:nth-child(4n + 1) .sponsor-logo-overlay {
    left: 0;
    transform: translate(0, -50%) translateY(10px);
}

.sponsor-logo-card:nth-child(4n + 1):hover .sponsor-logo-overlay,
.sponsor-logo-card:nth-child(4n + 1):focus-visible .sponsor-logo-overlay {
    transform: translate(0, -50%);
}

.sponsor-logo-card:nth-child(4n) .sponsor-logo-overlay {
    right: 0;
    left: auto;
    transform: translate(0, -50%) translateY(10px);
}

.sponsor-logo-card:nth-child(4n):hover .sponsor-logo-overlay,
.sponsor-logo-card:nth-child(4n):focus-visible .sponsor-logo-overlay {
    transform: translate(0, -50%);
}

.sponsor-logo-overlay strong {
    color: #fff;
    font-size: 1.15rem;
    line-height: 1.2;
}

.sponsor-logo-description {
    margin-top: 12px;
    color: rgba(255, 255, 255, .9);
    font-size: clamp(.78rem, 1vw, .86rem);
    line-height: 1.48;
    white-space: pre-line;
}

.sponsor-logo-visit {
    margin-top: 16px;
    color: #ff8a4d;
    font-size: .74rem;
    font-weight: 850;
    letter-spacing: .08em;
    text-transform: uppercase;
}

@media (max-width: 900px) {
    .sponsor-logo-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .sponsor-logo-card .sponsor-logo-overlay {
        right: auto;
        left: 50%;
        transform: translate(-50%, -50%) translateY(10px);
    }

    .sponsor-logo-card:hover .sponsor-logo-overlay,
    .sponsor-logo-card:focus-visible .sponsor-logo-overlay {
        transform: translate(-50%, -50%);
    }

    .sponsor-logo-card:nth-child(odd) .sponsor-logo-overlay {
        left: 0;
        transform: translate(0, -50%) translateY(10px);
    }

    .sponsor-logo-card:nth-child(odd):hover .sponsor-logo-overlay,
    .sponsor-logo-card:nth-child(odd):focus-visible .sponsor-logo-overlay {
        transform: translate(0, -50%);
    }

    .sponsor-logo-card:nth-child(even) .sponsor-logo-overlay {
        right: 0;
        left: auto;
        transform: translate(0, -50%) translateY(10px);
    }

    .sponsor-logo-card:nth-child(even):hover .sponsor-logo-overlay,
    .sponsor-logo-card:nth-child(even):focus-visible .sponsor-logo-overlay {
        transform: translate(0, -50%);
    }
}

@media (max-width: 560px) {
    .sponsor-grid-section {
        margin-top: 48px;
    }

    .sponsor-logo-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .sponsor-logo-card .sponsor-logo-overlay {
        right: auto;
        left: 50%;
        width: min(420px, calc(100vw - 32px));
        transform: translate(-50%, -50%) translateY(10px);
    }

    .sponsor-logo-card:hover .sponsor-logo-overlay,
    .sponsor-logo-card:focus-visible .sponsor-logo-overlay {
        transform: translate(-50%, -50%);
    }
}

@media (prefers-reduced-motion: reduce) {
    .sponsor-logo-card,
    .sponsor-logo-overlay {
        transition: none;
    }
}

.sponsor-logo-preview {
    width: min(100%, 360px);
    margin: 28px auto 0;
}