:root {
  --glucosamine-bg: #f4f8f7;
  --glucosamine-surface: #ffffff;
  --glucosamine-tone: #059669;
  --glucosamine-tone-hover: #047857;
  --glucosamine-ink: #1f2937;
  --glucosamine-gradient: linear-gradient(135deg, #059669 0%, #0284c7 100%);
  --font-display: 'Playfair Display', serif;
  --font-body: 'Poppins', sans-serif;
}

body {
  font-family: var(--font-body);
  background-color: var(--glucosamine-bg);
  color: var(--glucosamine-ink);
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

h1, h2, h3, .pp-main-heading, .pp-head-title-text {
  text-transform: uppercase;
}

/* Radio Gallery Controls */
.pp-slide-item {
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

#pp-slide-1:checked ~ .pp-media-stage .slide-1,
#pp-slide-2:checked ~ .pp-media-stage .slide-2,
#pp-slide-3:checked ~ .pp-media-stage .slide-3,
#pp-slide-4:checked ~ .pp-media-stage .slide-4 {
  opacity: 1;
  visibility: visible;
}

/* Preset C Thumbnail Styles: Bottom, inactive opacity 0.5 */
.pp-thumb-item {
  opacity: 0.5;
  border-color: #e5e7eb;
  transition: opacity 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.pp-thumb-item:hover {
  opacity: 0.8;
}

#pp-slide-1:checked ~ .pp-media-stage .label-1,
#pp-slide-2:checked ~ .pp-media-stage .label-2,
#pp-slide-3:checked ~ .pp-media-stage .label-3,
#pp-slide-4:checked ~ .pp-media-stage .label-4 {
  opacity: 1;
  border-color: var(--glucosamine-tone);
  transform: translateY(-2px);
}

/* CTA hover animation */
.pp-buy-link:hover {
  filter: brightness(1.05);
  box-shadow: 0 10px 25px -5px rgba(5, 150, 105, 0.4);
}