/* LLM logo showcase marquee — unified monochrome */

.llm-marquee .visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.llm-marquee:hover .llm-marquee__track {
  animation-play-state: paused;
}

.llm-marquee {
  --llm-ink: rgba(26, 23, 20, 0.58);
  --llm-ink-strong: #1a1714;
  position: relative;
  margin: 0;
  padding: 1.15rem 0 1.35rem;
  overflow: hidden;
  border-block: 1px solid rgba(62, 39, 35, 0.1);
  background:
    linear-gradient(180deg, rgba(247, 242, 234, 0.55), rgba(247, 242, 234, 0.2)),
    linear-gradient(90deg, rgba(255, 255, 255, 0.35), transparent 18%, transparent 82%, rgba(255, 255, 255, 0.35));
  color: var(--llm-ink);
}

.llm-marquee__viewport {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.llm-marquee__track {
  display: flex;
  align-items: center;
  gap: 2.75rem;
  width: max-content;
  margin: 0;
  padding: 0.35rem 1.5rem;
  list-style: none;
  animation: llm-marquee-scroll 48s linear infinite;
  will-change: transform;
}

.llm-marquee__item {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  flex: 0 0 auto;
  white-space: nowrap;
  color: var(--llm-ink);
}

.llm-marquee__mark {
  display: grid;
  place-items: center;
  width: 1.35rem;
  height: 1.35rem;
  color: var(--llm-ink-strong);
  opacity: 0.72;
}

.llm-marquee__mark svg,
.llm-marquee__mark img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.llm-marquee__mark-image--copilot {
  transform: scale(1.12);
}

.llm-marquee__name {
  font-family: Switzer, "Noto Sans TC", sans-serif;
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--llm-ink-strong);
  opacity: 0.78;
}

.llm-marquee__fade {
  position: absolute;
  top: 0;
  bottom: 0;
  width: min(5.5rem, 12vw);
  z-index: 1;
  pointer-events: none;
}

.llm-marquee__fade--left {
  left: 0;
  background: linear-gradient(90deg, rgba(247, 242, 234, 0.95), transparent);
}

.llm-marquee__fade--right {
  right: 0;
  background: linear-gradient(270deg, rgba(247, 242, 234, 0.95), transparent);
}

@keyframes llm-marquee-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  .llm-marquee__track {
    animation: none;
    flex-wrap: wrap;
    justify-content: center;
    width: 100%;
    max-width: 72rem;
    margin-inline: auto;
    gap: 1.25rem 1.75rem;
    padding-block: 0.5rem;
  }

  .llm-marquee__track .llm-marquee__item:nth-child(n + 15) {
    display: none;
  }

  .llm-marquee__viewport {
    mask-image: none;
    -webkit-mask-image: none;
  }

  .llm-marquee__fade {
    display: none;
  }
}

@media (max-width: 640px) {
  .llm-marquee {
    padding-block: 0.95rem 1.1rem;
  }

  .llm-marquee__track {
    gap: 2rem;
    animation-duration: 36s;
  }

  .llm-marquee__name {
    font-size: 0.86rem;
  }

  .llm-marquee__mark {
    width: 1.2rem;
    height: 1.2rem;
  }
}