/* Sponsors marquee — CSS animation, no React */

#partenaires {
  background: var(--bg);
  padding-bottom: 88px;
}

.sponsor-empty {
  text-align: center;
  color: var(--fg3);
  font-size: 15px;
  padding: 24px 28px;
  border: 1px dashed var(--line2);
  border-radius: var(--r);
}

.sponsor-marquee {
  position: relative;
  margin-top: 8px;
}

.sponsor-marquee__viewport {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(
    to right,
    transparent,
    #000 8%,
    #000 92%,
    transparent
  );
  mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
}

.sponsor-marquee__track {
  display: flex;
  width: max-content;
  animation: sponsor-scroll var(--sponsor-duration, 45s) linear infinite;
}

.sponsor-marquee__group {
  display: flex;
  align-items: center;
  gap: var(--sponsor-gap, 56px);
  padding-inline: calc(var(--sponsor-gap, 56px) / 2);
  flex: none;
}

.sponsor-marquee__item {
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 168px;
  height: 72px;
  padding: 12px 16px;
  border-radius: var(--r-sm);
  border: 1px solid var(--line);
  background: var(--panel);
  transition:
    border-color 0.2s,
    background 0.2s;
}

a.sponsor-marquee__item:hover {
  border-color: var(--green-b);
  background: var(--panel2);
}

.sponsor-marquee__item img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: grayscale(0.15);
  opacity: 0.92;
  transition:
    filter 0.25s,
    opacity 0.25s;
}

a.sponsor-marquee__item:hover img {
  filter: none;
  opacity: 1;
}

.sponsor-marquee:hover .sponsor-marquee__track,
.sponsor-marquee:focus-within .sponsor-marquee__track {
  animation-play-state: paused;
}

@keyframes sponsor-scroll {
  to {
    transform: translateX(-50%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .sponsor-marquee__viewport {
    -webkit-mask-image: none;
    mask-image: none;
    overflow: visible;
  }

  .sponsor-marquee__track {
    animation: none;
    width: auto;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    padding: 0 28px;
  }

  .sponsor-marquee__group[aria-hidden='true'] {
    display: none;
  }

  .sponsor-marquee__group {
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    padding: 0;
  }
}