/**
 * Science Section - Design: "Carousel Gallery"
 * 
 * Carousel with arrows and swipe support
 * SVGs blend seamlessly with card backgrounds
 */

.science {
  padding: calc(var(--section-padding-y) * 1.5) 0 var(--section-padding-y);
  background: var(--wtp-cream);
  position: relative;
  overflow: visible;
}

.science__container {
  max-width: 100%;
  margin: 0 auto;
  padding: 0;
}

.science__header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--space-6);
  padding: 0 var(--container-padding);
}

.science__label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-caption);
  font-weight: var(--font-semibold);
  color: var(--brand-dark);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  margin-bottom: var(--space-4);
}

.science__label::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--brand-bright);
  border-radius: var(--radius-full);
}

.science__title {
  font-family: var(--font-heading);
  font-size: var(--text-h2);
  font-weight: var(--font-medium);
  color: var(--text-primary);
  line-height: var(--leading-snug);
  margin-bottom: var(--space-4);
}

.science__subheadline {
  font-family: var(--font-body);
  font-size: var(--text-large);
  color: var(--text-secondary);
}

/* ============================================
   CAROUSEL CONTAINER
   ============================================ */

.science__carousel {
  position: relative;
  overflow: hidden;
  padding: var(--space-8) var(--container-padding);
}

.science__grid {
  display: flex;
  gap: var(--space-6);
  transition: transform 0.5s var(--ease-out);
  cursor: grab;
}

.science__grid:active {
  cursor: grabbing;
}

/* ============================================
   ARROW NAVIGATION
   ============================================ */

.science__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border: none;
  border-radius: 50%;
  background: white;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: all 0.3s ease;
}

.science__nav:hover {
  transform: translateY(-50%) scale(1.1);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.2);
}

.science__nav--prev {
  left: var(--space-4);
}

.science__nav--next {
  right: var(--space-4);
}

.science__nav svg {
  width: 20px;
  height: 20px;
  stroke: var(--text-primary);
  stroke-width: 2;
  fill: none;
}

.science__nav:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.science__nav:disabled:hover {
  transform: translateY(-50%) scale(1);
}

/* ============================================
   CARD
   ============================================ */

.science__card {
  flex: 0 0 calc(33.333% - var(--space-4));
  min-width: 320px;
  max-width: 360px;
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding: var(--space-8);
  transition: all 0.4s var(--ease-out);
}

.science__card:hover {
  transform: translateY(-8px);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.12);
}

/* Product backgrounds */
.science__card--relax {
  background: linear-gradient(135deg, #fdf2f8 0%, #fce7f3 50%, #fbcfe8 100%);
}

.science__card--glow {
  background: linear-gradient(135deg, #fefce8 0%, #fef9c3 50%, #fde68a 100%);
}

.science__card--focus {
  background: linear-gradient(135deg, #faf5ff 0%, #f3e8ff 50%, #e9d5ff 100%);
}

.science__card--detox {
  background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 50%, #bbf7d0 100%);
}

.science__card--defence {
  background: linear-gradient(135deg, #fff7ed 0%, #ffedd5 50%, #fed7aa 100%);
}

/* ============================================
   SVG - Seamless with card background
   ============================================ */

.science__image-wrapper {
  position: relative;
  width: 100%;
  height: 180px;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-5);
  overflow: hidden;
  transition: all 0.5s var(--ease-out);
}

/* Overlay to blend SVG with card background */
.science__card--relax .science__image-wrapper::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #fdf2f8 0%, #fce7f3 50%, #fbcfe8 100%);
  opacity: 1;
  z-index: 1;
  border-radius: var(--radius-xl);
}

.science__card--glow .science__image-wrapper::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #fefce8 0%, #fef9c3 50%, #fde68a 100%);
  opacity: 1;
  z-index: 1;
  border-radius: var(--radius-xl);
}

.science__card--focus .science__image-wrapper::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #faf5ff 0%, #f3e8ff 50%, #e9d5ff 100%);
  opacity: 1;
  z-index: 1;
  border-radius: var(--radius-xl);
}

.science__card--detox .science__image-wrapper::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 50%, #bbf7d0 100%);
  opacity: 1;
  z-index: 1;
  border-radius: var(--radius-xl);
}

.science__card--defence .science__image-wrapper::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #fff7ed 0%, #ffedd5 50%, #fed7aa 100%);
  opacity: 1;
  z-index: 1;
  border-radius: var(--radius-xl);
}

.science__card:hover .science__image-wrapper {
  transform: scale(1.02);
}

.science__image {
  width: 80%;
  height: 80%;
  object-fit: contain;
  position: relative;
  z-index: 2;
  mix-blend-mode: multiply;
}

/* ============================================
   CONTENT
   ============================================ */

.science__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  text-align: center;
}

.science__found-in {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
}

.science__found-in::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: var(--radius-full);
}

.science__card--relax .science__found-in { color: #9d174d; }
.science__card--relax .science__found-in::before { background: #be185d; }

.science__card--glow .science__found-in { color: #92400e; }
.science__card--glow .science__found-in::before { background: #b45309; }

.science__card--focus .science__found-in { color: #6b21a8; }
.science__card--focus .science__found-in::before { background: #7e22ce; }

.science__card--detox .science__found-in { color: #15803d; }
.science__card--detox .science__found-in::before { background: #16a34a; }

.science__card--defence .science__found-in { color: #9a3412; }
.science__card--defence .science__found-in::before { background: #c2410c; }

.science__ingredient {
  font-family: var(--font-heading);
  font-size: var(--text-h4);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  line-height: var(--leading-tight);
}

.science__claim {
  font-family: var(--font-body);
  font-size: var(--text-body);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* ============================================
   DOTS INDICATOR
   ============================================ */

.science__dots {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-6);
}

.science__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.15);
  cursor: pointer;
  transition: all 0.3s ease;
}

.science__dot:hover {
  background: rgba(0, 0, 0, 0.3);
}

.science__dot--active {
  background: var(--brand-dark);
  transform: scale(1.2);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
  .science__card {
    flex: 0 0 calc(50% - var(--space-3));
    min-width: 300px;
  }
  
  .science__nav {
    width: 40px;
    height: 40px;
  }
  
  .science__nav svg {
    width: 16px;
    height: 16px;
  }
}

@media (max-width: 640px) {
  .science__card {
    flex: 0 0 85%;
    min-width: 280px;
    padding: var(--space-6);
  }
  
  .science__image-wrapper {
    height: 150px;
  }
  
  .science__nav {
    display: none;
  }
  
  .science__title {
    font-size: var(--text-h3);
  }
}