/* ===== USE CASE HORIZONTAL CAROUSEL ===== */
.uc-section {
  padding: 140px 0;
  background: var(--white);
  overflow: hidden;
  position: relative;
}

/* Subtle background decoration */
.uc-section::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -150px;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37,99,235,0.04), transparent 70%);
  pointer-events: none;
}

.uc-header {
  text-align: center;
  margin-bottom: 48px;
}
.uc-heading {
  font-family: 'Playfair Display', serif;
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--gray-900);
  letter-spacing: -0.5px;
  margin: 12px 0 0;
}

/* Icon nav buttons (desktop) */
.uc-nav {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 52px;
}
.uc-nav-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  border: 2px solid var(--gray-200);
  border-radius: 14px;
  background: var(--white);
  cursor: pointer;
  transition: all 0.3s;
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-500);
  position: relative;
}
.uc-nav-btn svg {
  color: var(--gray-400);
  transition: color 0.3s;
}
.uc-nav-btn:hover {
  border-color: var(--blue-300);
  color: var(--blue-600);
  background: var(--blue-50);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(37,99,235,0.1);
}
.uc-nav-btn:hover svg { color: var(--blue-500); }
.uc-nav-active {
  background: var(--blue-500);
  border-color: var(--blue-500);
  color: var(--white);
  box-shadow: 0 6px 24px rgba(37,99,235,0.3);
  transform: translateY(-2px);
}
.uc-nav-active svg { color: var(--white); }
.uc-nav-active:hover {
  background: var(--blue-600);
  border-color: var(--blue-600);
  color: var(--white);
}

/* Swipe nav — hidden on desktop, shown on mobile */
.uc-swipe-nav { display: none; }
.uc-swipe-dots { display: flex; }

/* Track */
.uc-track {
  position: relative;
  overflow: hidden;
  background: var(--gray-50);
  border-radius: 24px;
  padding: 48px 44px;
  border: 1px solid var(--gray-200);
}
.uc-card {
  display: none;
  animation: ucFadeSlideIn 0.5s cubic-bezier(0.4,0,0.2,1);
}
.uc-card-active {
  display: block;
}
@keyframes ucFadeSlideIn {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

/* Card inner — 2-column grid */
.uc-card-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  min-height: 440px;
}

/* Content */
.uc-card-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(24px, 2.8vw, 34px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--gray-900);
  letter-spacing: -0.4px;
  margin: 0 0 18px;
}
.uc-card-body {
  font-size: 15px;
  line-height: 1.8;
  color: var(--gray-600);
  margin: 0 0 28px;
}

/* Visual — consistent sizing */
.uc-card-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.uc-card-visual .uni-carousel,
.uc-card-visual .occ-card,
.uc-card-visual .psc-wrap,
.uc-card-visual .anim-container {
  width: 100%;
  max-width: 480px;
}
.uc-card-visual .uni-carousel-track,
.uc-card-visual .occ-card,
.uc-card-visual .psc {
  height: 420px;
}

/* Responsive */
@media (max-width: 1080px) {
  .uc-card-inner { grid-template-columns: 1fr; gap: 32px; min-height: auto; }
  .uc-track { padding: 36px 28px; }
}
@media (max-width: 600px) {
  .uc-section { padding: 64px 0; }
  .uc-nav { display: none; }
  .uc-track {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    gap: 0;
    padding: 0;
    border: none;
    background: transparent;
    border-radius: 0;
  }
  .uc-track::-webkit-scrollbar { display: none; }
  .uc-card {
    display: block !important;
    animation: none !important;
    flex: 0 0 100%;
    scroll-snap-align: start;
    min-width: 100%;
  }
  .uc-card .uc-card-inner {
    grid-template-columns: 1fr;
    gap: 24px;
    min-height: auto;
    background: var(--gray-50);
    border-radius: 18px;
    border: 1px solid var(--gray-200);
    padding: 24px 20px;
    margin: 0 4px;
  }
  /* Force all visuals to same fixed height on mobile */
  .uc-card-visual {
    width: 100%;
    height: 300px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .uc-card-visual .uni-carousel,
  .uc-card-visual .wv-card,
  .uc-card-visual .psc-wrap,
  .uc-card-visual .anim-container {
    width: 100%;
    max-width: 100%;
  }
  .uc-card-visual .uni-carousel-track { height: 280px; }
  .uc-card-visual .psc { height: 290px; }
  .uc-card-visual .psc-wrap { height: 300px; }
  .uc-card-visual .anim-container { height: 300px; display: flex; align-items: center; justify-content: center; }
  .uc-card-visual .points-gauge { padding: 16px; }
  .uc-card-visual .gauge-ring { width: 130px; height: 130px; }
  .uc-card-visual .gauge-value { font-size: 32px; }
  .uc-card-visual .gauge-factor { padding: 4px 10px; font-size: 11px; }
  .uc-card-title { font-size: 20px; }
  .uc-card-body { font-size: 14px; margin-bottom: 16px; }
  /* Swipe dots */
  .uc-swipe-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 20px;
  }
  .uc-arrow {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--gray-200);
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--gray-500);
    transition: all 0.2s;
    flex-shrink: 0;
  }
  .uc-arrow:active {
    background: var(--blue-50);
    border-color: var(--blue-300);
    color: var(--blue-500);
    transform: scale(0.92);
  }
  .uc-swipe-dots {
    display: flex;
    justify-content: center;
    gap: 6px;
  }
  .uc-swipe-dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--gray-300);
    transition: all 0.3s;
  }
  .uc-swipe-dot-on {
    width: 22px;
    border-radius: 3px;
    background: var(--blue-500);
  }
}