.product-gallery {
  display: grid;
  grid-template-columns: 1fr 140px;
  gap: 12px;
  align-items: start;
}

.product-main-img {
  width: 100%;
  height: 420px;
  object-fit: contain;
  background: #f6f6f6;
  padding: 18px;
  border-radius: 10px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.06);
  display: block;
  margin-bottom: 12px;
}

.thumbs {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.thumbs img {
  width: 100%;
  height: 120px;
  object-fit: cover;
  border-radius: 8px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform .15s ease;
}

.thumbs img:hover {
  transform: scale(1.02);
}

.thumbs img.active {
  border-color: #f5a425;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.06);
}

.product-title {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
  color: #1f272b;
}

.product-tagline {
  font-size: 16px;
  color: #6b6b6b;
  margin-bottom: 18px;
}

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

.features-list li {
  padding: 8px 0;
  border-bottom: 1px dashed #eee;
  color: #333;
}

.specs-table td,
.specs-table th {
  padding: 8px;
  vertical-align: middle;
}

@media (max-width: 768px) {
  .product-gallery {
    grid-template-columns: 1fr;
  }

  .thumbs {
    flex-direction: row;
    overflow: auto;
  }

  .thumbs img {
    height: 80px;
    width: 120px;
    flex: 0 0 auto;
  }

  .product-main-img {
    height: 320px;
  }
}