/* ==========================================================================
   Faixa de apoiadores e patrocinadores — Kirimurê
   Esteira full-bleed entre as seções Na mídia e Apoie.
   ========================================================================== */

.sponsor-strip {
  --sponsor-fade: clamp(42px, 8vw, 130px);
  --sponsor-gap: clamp(0.85rem, 1.6vw, 1.4rem);
  --sponsor-tile-width: clamp(138px, 13vw, 190px);
  --sponsor-tile-height: clamp(50px, 4vw, 60px);

  position: relative;
  z-index: 1;
  width: 100%;
  padding-block: clamp(1.15rem, 2.4vw, 1.75rem);
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(ellipse 46% 180% at 50% 50%, rgba(0, 200, 196, 0.13) 0%, transparent 72%),
    linear-gradient(180deg, rgba(2, 43, 58, 0.78) 0%, rgba(0, 18, 26, 0.94) 52%, rgba(0, 10, 16, 0.86) 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.035),
    inset 0 -1px 0 rgba(0, 0, 0, 0.3);
}

.sponsor-strip::before,
.sponsor-strip::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  z-index: 2;
  height: 1px;
  pointer-events: none;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(98, 220, 228, 0.34) 18%,
    rgba(247, 239, 226, 0.13) 50%,
    rgba(98, 220, 228, 0.34) 82%,
    transparent 100%
  );
}

.sponsor-strip::before {
  top: 0;
}

.sponsor-strip::after {
  bottom: 0;
}

.sponsor-marquee {
  width: 100%;
  overflow: hidden;
  padding-block: 0.3rem;
  -webkit-mask-image: linear-gradient(
    90deg,
    transparent 0,
    #000 var(--sponsor-fade),
    #000 calc(100% - var(--sponsor-fade)),
    transparent 100%
  );
  mask-image: linear-gradient(
    90deg,
    transparent 0,
    #000 var(--sponsor-fade),
    #000 calc(100% - var(--sponsor-fade)),
    transparent 100%
  );
}

.sponsor-marquee__track {
  display: flex;
  width: max-content;
  animation: sponsor-marquee-scroll 48s linear infinite;
  will-change: transform;
}

.sponsor-marquee__group {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: space-around;
  gap: var(--sponsor-gap);
  min-width: 100vw;
  margin: 0;
  padding-inline: calc(var(--sponsor-gap) / 2);
  list-style: none;
}

.sponsor-marquee__item {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  width: var(--sponsor-tile-width);
  height: var(--sponsor-tile-height);
  padding: 0.38rem 0.85rem;
  background: linear-gradient(180deg, #ffffff 0%, #eef7f8 100%);
  border: 1px solid rgba(255, 255, 255, 0.62);
  border-radius: 12px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    0 12px 26px -20px rgba(0, 0, 0, 0.95),
    0 1px 0 rgba(2, 43, 58, 0.18);
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    border-color var(--transition-fast),
    filter var(--transition-fast);
}

.sponsor-marquee__item:hover {
  transform: translateY(-3px);
  border-color: rgba(98, 220, 228, 0.68);
  filter: saturate(1.06);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.95),
    0 0 0 1px rgba(98, 220, 228, 0.18),
    0 0 28px -8px rgba(98, 220, 228, 0.5),
    0 16px 30px -22px rgba(0, 0, 0, 0.95);
}

.sponsor-marquee__item img {
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

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

@keyframes sponsor-marquee-scroll {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(-50%, 0, 0);
  }
}

@media (max-width: 767px) {
  .sponsor-strip {
    --sponsor-fade: 34px;
    --sponsor-gap: 0.75rem;
    --sponsor-tile-width: clamp(124px, 34vw, 150px);
    --sponsor-tile-height: 48px;

    padding-block: 0.95rem;
  }

  .sponsor-marquee {
    padding-block: 0.25rem;
  }

  .sponsor-marquee__item {
    padding: 0.3rem 0.65rem;
    border-radius: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sponsor-marquee {
    overflow-x: auto;
    -webkit-mask-image: none;
    mask-image: none;
    scrollbar-width: thin;
  }

  .sponsor-marquee__track {
    animation: none;
  }

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