/* ============================================================================
 * SPONSORS PAGE — MOBILE RESPONSIVE OVERRIDES
 * Responsive breakpoints for both Grid and Carousel sponsors layouts.
 * Always loaded alongside the layout-specific CSS file.
 * All rules scoped under .sponsors-page for specificity.
 * ============================================================================ */

/* --- Tablet (max-width: 900px) --- */
@media (max-width: 900px) {
    /* Sidebar becomes full-width, stacks above content */
    .sponsors-page.grid,
    .sponsors-page.carousel {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem 0;
    }

    .sponsors-page.grid.search-right,
    .sponsors-page.carousel.search-right {
        flex-direction: column;
    }

    .sponsors-page .sponsors-sidebar {
        flex: none;
        position: static;
        width: 100%;
    }

    /* Labels go horizontal on tablet */
    .sponsors-page .sponsors-label-filters {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .sponsors-page .sponsors-label-item {
        flex: 0 0 auto;
        border-right: none;
        border-bottom: 3px solid transparent;
        padding: 0.375rem 0.5rem;
    }

    /* Tier headers: slightly smaller on tablet */
    .sponsors-page .sponsors-tier-header {
        margin: 1rem auto 0.5rem;
    }

    /* Carousel collapses to vertical stack on tablet */
    .sponsors-page.carousel .sponsors-cards {
        flex-direction: column;
        overflow-x: visible;
        scroll-snap-type: none;
        padding-bottom: 0;
    }

    .sponsors-page.carousel .sponsors-card {
        flex: none;
        min-width: 0;
        width: 100%;
        max-width: calc(320px * var(--card-zoom, 1));
        margin: 0 auto;
    }

    /* Grid cards center on tablet */
    .sponsors-page.grid .sponsors-cards {
        justify-content: center;
    }

    /* Hide carousel arrows and gradient overlays on tablet */
    .sponsors-page.carousel .sponsors-scroll-btn {
        display: none;
    }

    .sponsors-page.carousel .sponsors-carousel-wrap::before,
    .sponsors-page.carousel .sponsors-carousel-wrap::after {
        display: none;
    }

    .sponsors-page.carousel .sponsors-carousel-wrap {
        display: block;
        position: static;
    }
}

/* --- Mobile (max-width: 768px) --- */
@media (max-width: 768px) {
    .sponsors-page.grid,
    .sponsors-page.carousel {
        padding: 0.75rem 0;
    }

    /* Cards go full-width on mobile */
    .sponsors-page .sponsors-card {
        width: 100%;
        max-width: calc(320px * var(--card-zoom, 1));
        min-width: auto;
        margin: 0 auto;
    }

    /* Sponsor logo smaller on mobile */
    .sponsors-page .sponsors-card-logo {
        max-height: calc(60px * var(--card-zoom, 1));
    }

    .sponsors-page .sponsors-card-logo-wrap {
        min-height: calc(60px * var(--card-zoom, 1));
    }

    .sponsors-page .sponsors-card-logo-placeholder {
        width: calc(96px * var(--card-zoom, 1));
        height: calc(60px * var(--card-zoom, 1));
    }

    .sponsors-page .sponsors-card-logo-placeholder .material-icons {
        font-size: calc(2rem * var(--card-zoom, 1));
    }

    /* Sponsor name smaller */
    .sponsors-page .sponsors-card-name {
        font-size: calc(1.1rem * var(--card-zoom, 1));
    }

    /* Search panel full width */
    .sponsors-page .sponsors-search-inner {
        padding: 1rem;
        border-radius: 8px;
    }

    /* Tier headers: compact on mobile */
    .sponsors-page .sponsors-tier-header {
        margin: 0.75rem auto 0.375rem;
        padding: 0.2rem 0.625rem;
    }

    /* No scale effect on mobile — start at full size */
    .sponsors-page .sponsors-card {
        transform: scale(1);
    }

    .sponsors-page .sponsors-card:hover {
        transform: none;
    }

    .sponsors-page .sponsors-card:hover .sponsors-card-logo,
    .sponsors-page .sponsors-card:hover .sponsors-card-logo-placeholder {
        transform: none;
    }
}

/* --- Small Mobile (max-width: 480px) --- */
@media (max-width: 480px) {
    /* Sponsor logo even smaller */
    .sponsors-page .sponsors-card-logo {
        max-height: calc(48px * var(--card-zoom, 1));
    }

    .sponsors-page .sponsors-card-logo-wrap {
        min-height: calc(48px * var(--card-zoom, 1));
    }

    .sponsors-page .sponsors-card-logo-placeholder {
        width: calc(80px * var(--card-zoom, 1));
        height: calc(48px * var(--card-zoom, 1));
    }

    .sponsors-page .sponsors-card-logo-placeholder .material-icons {
        font-size: calc(1.5rem * var(--card-zoom, 1));
    }

    /* Smaller label fonts */
    .sponsors-page .sponsors-card-label {
        font-size: 0.625rem;
        padding: 0.125rem 0.375rem;
    }

    /* Tighter card padding */
    .sponsors-page .sponsors-card {
        padding: 1rem 0.875rem;
        border-radius: 8px;
    }

    /* Tier headers: minimal on small screens */
    .sponsors-page .sponsors-tier-header {
        margin: 0.5rem auto 0.25rem;
        padding: 0.2rem 0.5rem;
        font-size: 0.65rem;
    }
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
    .sponsors-page .sponsors-card,
    .sponsors-page .sponsors-card-logo,
    .sponsors-page .sponsors-card-logo-placeholder,
    .sponsors-page .sponsors-card-label,
    .sponsors-page .sponsors-card-external-link,
    .sponsors-page .sponsors-label-item,
    .sponsors-page .sponsors-search-input {
        transition: none;
    }

    .sponsors-page .sponsors-card:hover {
        transform: none;
    }

    .sponsors-page .sponsors-card:hover .sponsors-card-logo,
    .sponsors-page .sponsors-card:hover .sponsors-card-logo-placeholder {
        transform: none;
    }
}