:root {
  --violet-900: #2e1065;
  --violet-800: #3b0764;
  --violet-700: #5b21b6;
  --violet-600: #7c3aed;
  --violet-500: #8b5cf6;
  --violet-100: #ede9fe;
  --violet-50: #f5f3ff;
  --cyan-500: #06b6d4;
  --cyan-600: #0891b2;
  --gray-800: #1f2937;
  --gray-600: #4b5563;
  --gray-400: #9ca3af;
  --border: #e6ddfa;
}

* {
  box-sizing: border-box;
}

body {
  font-family: 'Inter', Arial, sans-serif;
  background-color: var(--violet-50);
  color: var(--gray-800);
  margin: 0;
  line-height: 1.6;
}

.container {
  max-width: 1100px;
}

/* Header */
.site-header {
  background-color: var(--violet-900);
  border-bottom: 3px solid var(--cyan-500);
}

.site-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #ffffff;
  margin: 0;
  line-height: 1.4;
}

/* Product section */
.product-section {
  padding: 2rem 0;
}

.product-card {
  background-color: #ffffff;
  border-radius: 12px;
  border: 1px solid var(--border);
  padding: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  max-width: 1000px;
  margin: 0 auto;
}

.product-gallery {
  flex: 1 1 380px;
  min-width: 280px;
}

.product-info {
  flex: 1 1 380px;
  min-width: 280px;
}

/* Gallery */
.gallery {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.gallery-radio {
  display: none;
}

.gallery-main {
  position: relative;
  width: 100%;
  padding-top: 100%;
  background-color: var(--violet-50);
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.gallery-main img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

#g1:checked ~ .gallery-main .img1,
#g2:checked ~ .gallery-main .img2,
#g3:checked ~ .gallery-main .img3,
#g4:checked ~ .gallery-main .img4 {
  opacity: 1;
}

.gallery-thumbs {
  display: flex;
  gap: 0.6rem;
  overflow-x: auto;
  padding-bottom: 0.25rem;
}

.thumb {
  flex: 0 0 auto;
  width: 68px;
  height: 68px;
  border-radius: 8px;
  border: 2px solid var(--border);
  overflow: hidden;
  cursor: pointer;
  display: block;
  transition: border-color 0.2s ease;
}

.thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

#g1:checked ~ .gallery-thumbs label[for="g1"],
#g2:checked ~ .gallery-thumbs label[for="g2"],
#g3:checked ~ .gallery-thumbs label[for="g3"],
#g4:checked ~ .gallery-thumbs label[for="g4"] {
  border-color: var(--cyan-500);
}

/* Product info */
.product-name {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--violet-900);
  margin: 0 0 1rem 0;
  line-height: 1.4;
}

.desc-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--violet-700);
  margin: 0 0 0.75rem 0;
}

.desc-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.desc-list li {
  position: relative;
  padding-left: 1.4rem;
  margin-bottom: 0.9rem;
  color: var(--gray-600);
  font-size: 0.95rem;
}

.desc-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--cyan-600);
  font-weight: 700;
}

.desc-list strong {
  color: var(--violet-900);
}

/* CTA */
.cta-section {
  display: flex;
  justify-content: center;
  padding: 1rem 0 3rem 0;
}

.cta-button {
  display: inline-block;
  background-color: var(--violet-600);
  color: #ffffff;
  font-size: 1.15rem;
  font-weight: 700;
  text-decoration: none;
  padding: 1rem 3rem;
  border-radius: 50px;
  box-shadow: 0 6px 16px rgba(124, 58, 237, 0.35);
  transition: background-color 0.2s ease, transform 0.15s ease;
  text-align: center;
}

.cta-button:hover {
  background-color: var(--violet-700);
  transform: translateY(-2px);
}

/* Reviews */
.reviews-section {
  max-width: 800px;
  margin: 0 auto;
  padding-bottom: 3rem;
}

.reviews-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--violet-700);
  margin-bottom: 1.5rem;
  text-align: center;
}

.review {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
}

.review:last-child {
  border-bottom: none;
}

.review-header {
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
}

.review-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.review-headinfo {
  display: flex;
  flex-direction: column;
}

.review-name {
  font-weight: 600;
  margin: 0 0 0.15rem 0;
  color: var(--gray-800);
}

.review-name a {
  color: inherit;
  text-decoration: none;
}

.review-name a:hover {
  color: var(--violet-700);
  text-decoration: underline;
}

.review-stars {
  color: var(--cyan-600);
  margin: 0 0 0.2rem 0;
  letter-spacing: 2px;
  font-size: 0.95rem;
}

.review-title {
  font-weight: 700;
  margin: 0;
  color: var(--gray-800);
}

.review-meta {
  color: var(--gray-400);
  font-size: 0.85rem;
  margin: 0.6rem 0 0.2rem 0;
}

.review-attrs {
  color: var(--gray-600);
  font-size: 0.85rem;
  margin: 0 0 0.6rem 0;
}

.review-text {
  color: var(--gray-800);
  font-size: 0.95rem;
  margin: 0 0 0.75rem 0;
}

.review-photos {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.review-photos img {
  width: 90px;
  height: 90px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--border);
}

/* Footer */
.site-footer {
  background-color: var(--violet-900);
  border-top: 3px solid var(--cyan-500);
  margin-top: 2rem;
}

.footer-title {
  font-weight: 600;
  color: #ffffff;
  margin: 0 0 0.75rem 0;
  font-size: 0.95rem;
}

.footer-links a {
  color: var(--violet-100);
  text-decoration: none;
  font-size: 0.85rem;
}

.footer-links a:hover {
  color: var(--cyan-500);
  text-decoration: underline;
}

.footer-links .sep {
  color: var(--violet-700);
  margin: 0 0.5rem;
}

/* Mobile-first adjustments */
@media (max-width: 768px) {
  .product-card {
    flex-direction: column;
    padding: 1.25rem;
  }

  .product-gallery {
    order: 1;
  }

  .product-info {
    order: 2;
  }

  .site-title {
    font-size: 1rem;
  }

  .product-name {
    font-size: 1.15rem;
  }

  .cta-button {
    width: 100%;
    max-width: 320px;
  }

  .review-photos img {
    width: 72px;
    height: 72px;
  }
}