.section-product-header:first-child {
  margin-top: 10em;
}
.section-product-header .container {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 3rem;
}
.section-product-header {
  /*

  Left: gallery

  */
}
.section-product-header .gallery {
  flex: 1 1 420px;
  min-width: 0;
  background-color: var(--gray);
  border-radius: 16px;
  padding: 20px;
}
.section-product-header .gallery .main {
  padding: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.section-product-header .gallery .main img {
  width: 100%;
  display: block;
  aspect-ratio: 1;
  -o-object-fit: contain;
     object-fit: contain;
}
.section-product-header .gallery .main img.manufacturer {
  position: absolute;
  top: 0;
  right: 0;
  max-width: 100px;
  max-height: 50px;
}
.section-product-header .gallery .thumbs {
  display: flex;
  gap: 16px;
  margin-top: 16px;
}
.section-product-header .gallery .thumbs .thumb {
  flex: 1 1 0;
  background-color: var(--white);
  border: 2px solid transparent;
  border-radius: 12px;
  padding: 20px;
  cursor: pointer;
  transition: border-color 0.15s;
}
.section-product-header .gallery .thumbs .thumb img {
  width: 100%;
  display: block;
  aspect-ratio: 1.2;
  -o-object-fit: contain;
     object-fit: contain;
}
.section-product-header .gallery .thumbs .thumb.active {
  border-color: #2747b8;
}
.section-product-header .gallery .thumbs .thumb:hover {
  border-color: #2747b8;
}
.section-product-header {
  /*

  Right: info

  */
}
.section-product-header .info {
  flex: 1 1 420px;
  min-width: 0;
}
.section-product-header .info h1 {
  font-size: 2.8em;
  font-weight: 800;
  line-height: 1.05em;
  margin: 0 0 1.25rem;
}
.section-product-header .info .description {
  color: #555;
  font-size: 1em;
  line-height: 1.6em;
  margin: 0 0 2rem;
}
.section-product-header .info .description p:first-child {
  margin-top: 0;
}
.section-product-header .info .description p:last-child {
  margin-bottom: 0;
}
.section-product-header .info h3 {
  font-size: 1.2em;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 4px;
  margin: 0 0 30px;
}
.section-product-header .info .resources {
  margin: 0 0 2rem;
}
.section-product-header .info .specs {
  margin: 0 0 2rem;
}
.section-product-header .info .specs .grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.section-product-header .info .specs .grid .spec {
  background-color: var(--gray);
  border-radius: 14px;
  padding: 24px;
}
.section-product-header .info .specs .grid .spec h4 {
  font-size: 1.05em;
  font-weight: 700;
  margin: 0 0 10px;
}
.section-product-header .info .specs .grid .spec p {
  margin: 0;
  color: #666;
  font-size: 0.95em;
  line-height: 1.4em;
}
@media (max-width: 768px) {
  .section-product-header .info h1 {
    font-size: 2.2em;
  }
  .section-product-header .info .specs .grid {
    grid-template-columns: 1fr;
  }
}