/*
 * Public event page: sponsors strip. Static (and scrollable) by default; sponsors.js adds
 * .is-animated and --sponsors-duration when the logos overflow, turning it into a marquee.
 */

.event-landing-sponsors {
    display: flex;
    flex-direction: column;
    gap: var(--rg-space-5);
    padding: var(--rg-space-6) 0;
    overflow: hidden;
}

.event-landing-sponsors__header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: baseline;
    gap: var(--rg-space-1) var(--rg-space-4);
    padding: 0 var(--rg-space-7);
}

.event-landing-sponsors__title {
    margin: 0;
    color: var(--rg-color-ink);
    font-size: 22px;
    font-weight: var(--rg-font-weight-regular);
    letter-spacing: -0.5px;
}

.event-landing-sponsors__subtitle {
    margin: 0;
    color: var(--rg-color-text-muted);
    font-size: var(--rg-font-size-md);
}

.event-landing-sponsors__viewport {
    --sponsors-tile-width: 200px;
    --sponsors-tile-height: 96px;
    --sponsors-fade: 80px;

    overflow-x: auto;
    padding: 0 var(--rg-space-7);
    scrollbar-width: none;
}

.event-landing-sponsors__track {
    display: flex;
    gap: var(--rg-space-3);
    width: max-content;
    margin: 0;
    padding: 0;
    list-style: none;
}

.event-landing-sponsors__viewport.is-animated {
    overflow: hidden;
    padding: 0;
    -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 var(--sponsors-fade), #000 calc(100% - var(--sponsors-fade)), transparent 100%);
    mask-image: linear-gradient(90deg, transparent 0, #000 var(--sponsors-fade), #000 calc(100% - var(--sponsors-fade)), transparent 100%);
}

.event-landing-sponsors__viewport.is-animated .event-landing-sponsors__track {
    animation: event-landing-sponsors-marquee var(--sponsors-duration, 36s) linear infinite;
}

.event-landing-sponsors__viewport.is-animated:hover .event-landing-sponsors__track,
.event-landing-sponsors__viewport.is-animated:focus-within .event-landing-sponsors__track {
    animation-play-state: paused;
}

/* The track holds the list twice, so moving it by half its width loops seamlessly */
@keyframes event-landing-sponsors-marquee {
    from {
        transform: translate3d(0, 0, 0);
    }

    to {
        transform: translate3d(calc(-50% - var(--rg-space-3) / 2), 0, 0);
    }
}

.event-landing-sponsors__item {
    flex-shrink: 0;
}

.event-landing-sponsors__tile {
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--sponsors-tile-width);
    height: var(--sponsors-tile-height);
    padding: var(--rg-space-4) var(--rg-space-5);
    border-radius: 18px;
    background: var(--rg-color-hatch-b);
    color: var(--rg-color-ink-soft);
    transition: background var(--rg-transition), color var(--rg-transition);
}

.event-landing-sponsors__tile--link:hover,
.event-landing-sponsors__tile--link:focus-visible {
    background: var(--rg-color-hatch-a);
    color: var(--rg-color-ink);
}

.event-landing-sponsors__logo {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.event-landing-sponsors__name {
    overflow: hidden;
    font-size: var(--rg-font-size-2xl);
    font-weight: var(--rg-font-weight-medium);
    letter-spacing: -0.3px;
    text-align: center;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: inherit;
}

@media (max-width: 767px) {
    .event-landing-sponsors {
        gap: 14px;
        padding: 18px 0;
    }

    .event-landing-sponsors__header {
        padding: 0 var(--rg-space-4);
    }

    .event-landing-sponsors__title {
        font-size: 17px;
    }

    .event-landing-sponsors__subtitle {
        display: none;
    }

    .event-landing-sponsors__viewport {
        --sponsors-tile-width: 140px;
        --sponsors-tile-height: 72px;
        --sponsors-fade: 32px;

        padding: 0 var(--rg-space-4);
    }

    .event-landing-sponsors__track {
        gap: var(--rg-space-2);
    }

    .event-landing-sponsors__tile {
        padding: var(--rg-space-3);
        border-radius: var(--rg-radius-md);
    }

    .event-landing-sponsors__name {
        font-size: var(--rg-font-size-lg);
    }
}