.usecases-hub-page .site-bg {
  background:
    radial-gradient(circle at top, rgba(var(--ko-secondary-rgb), 0.18), transparent 28%),
    radial-gradient(circle at bottom left, rgba(var(--ko-accent-rgb), 0.16), transparent 30%),
    var(--loopino-surface);
}

.usecases-hub {
  padding-top: clamp(7rem, 12vw, 9rem);
  padding-bottom: clamp(4rem, 8vw, 6rem);
}

.usecases-hub-shell {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.usecases-hub-heading {
  width: min(100%, 52rem);
  margin: 0 auto;
  text-align: center;
}

.usecases-hub-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  margin-bottom: 1.1rem;
  padding: 0.65rem 1rem;
  border-radius: var(--loopino-radius-md);
  color: var(--loopino-primary);
  box-shadow: var(--shadow-soft);
  backdrop-filter: var(--loopino-blur-medium);
  font-size: 0.88rem;
  font-weight: 600;
}

.usecases-hub-badge svg {
  width: 0.95rem;
  height: 0.95rem;
  fill: currentColor;
}

.usecases-hub-heading h1 {
  margin-bottom: 1rem;
}

.usecases-hub-heading p {
  color: var(--loopino-text-muted);
  font-size: clamp(1rem, 1.6vw, 1.12rem);
}

.usecases-hub-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
}

.usecases-hub-filter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2rem;
  padding: 0.45rem 0.8rem;
  border: 1px solid var(--loopino-border-soft);
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--loopino-text-muted);
  box-shadow: inset 0 0 0 1px rgba(var(--ko-border-rgb), 0.08);
  cursor: pointer;
  font-size: 0.875rem;
  line-height: 1;
  font-weight: 600;
  transition:
    background 0.2s ease,
    color 0.2s ease,
    border-color 0.2s ease,
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.usecases-hub-filter:hover,
.usecases-hub-filter:focus-visible {
  background: rgba(var(--ko-white-rgb), 0.06);
  color: var(--loopino-text-strong);
}

.usecases-hub-filter:focus-visible {
  outline: 2px solid rgba(var(--ko-accent-rgb), 0.45);
  outline-offset: 2px;
}

.usecases-hub-filter.is-active {
  background: var(--loopino-primary);
  border-color: rgba(var(--ko-accent-rgb), 0.7);
  color: rgba(var(--ko-on-accent-rgb), 1);
  box-shadow: 0 18px 32px rgba(var(--ko-accent-rgb), 0.2);
}

.usecases-hub-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.hub-grid-item {
  transform-origin: center center;
  transition: opacity 0.24s ease, transform 0.24s ease;
}

.hub-grid-item.is-hidden {
  display: none;
}

.hub-grid-item-clone {
  position: absolute;
  z-index: 2;
  margin: 0;
  pointer-events: none;
}

.hub-card-link {
  display: block;
  color: inherit;
}

.hub-card-link:focus-visible {
  outline: none;
}

.hub-card-media {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border: 1px solid rgba(var(--ko-border-rgb), 0.22);
  border-radius: var(--radius-lg);
  background: rgba(var(--ko-panel-rgb), 0.86);
  box-shadow: var(--shadow-soft);
}

.hub-card-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(var(--ko-overlay-rgb), 0.08), rgba(var(--ko-overlay-rgb), 0.18));
  transition: opacity 0.24s ease;
}

.hub-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1);
  transition: transform 0.35s ease;
}

.hub-card-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  padding: 1.35rem;
  background: rgba(var(--ko-overlay-rgb), 0.68);
  backdrop-filter: blur(8px);
  color: var(--loopino-text-strong);
  opacity: 0;
  transition: opacity 0.24s ease;
  text-align: center;
}

.hub-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: var(--loopino-radius-md);
  background: rgba(var(--ko-white-rgb), 0.07);
  color: var(--loopino-primary);
}

.hub-card-icon svg {
  width: 1.4rem;
  height: 1.4rem;
}

.hub-card-title {
  font-family: var(--ko-font-display);
  font-size: clamp(1.1rem, 1.8vw, 1.4rem);
  font-weight: 700;
  line-height: 1.15;
}

.hub-card-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: rgba(var(--ko-white-rgb), 0.1);
  color: var(--loopino-text-default);
  font-size: 0.84rem;
  font-weight: 600;
}

.hub-card-link:hover .hub-card-media img,
.hub-card-link:focus-visible .hub-card-media img {
  transform: scale(1.08);
}

.hub-card-link:hover .hub-card-overlay,
.hub-card-link:focus-visible .hub-card-overlay {
  opacity: 1;
}

.hub-card-link:hover .hub-card-media::after,
.hub-card-link:focus-visible .hub-card-media::after {
  opacity: 0;
}

@media (max-width: 1024px) {
  .usecases-hub-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 767px) {
  .usecases-hub {
    padding-top: 6.5rem;
  }

  .usecases-hub-grid {
    grid-template-columns: 1fr;
  }

  .usecases-hub-filter {
    flex: 0 0 auto;
  }

  .hub-card-overlay {
    align-items: center;
    justify-content: flex-end;
    opacity: 1;
    padding: 1.1rem 1rem 1.35rem;
    backdrop-filter: none;
    background: linear-gradient(
      180deg,
      rgba(var(--ko-overlay-rgb), 0.08) 0%,
      rgba(var(--ko-overlay-rgb), 0.42) 52%,
      rgba(var(--ko-overlay-rgb), 0.92) 100%
    );
    text-align: center;
  }

  .hub-card-icon {
    width: 2.5rem;
    height: 2.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .usecases-hub-filter,
  .hub-grid-item,
  .hub-grid-item-clone,
  .hub-card-media::after,
  .hub-card-media img,
  .hub-card-overlay {
    transition: none;
  }
}