.product-page {
  min-height: 100vh;
  color: var(--color-navy);
  background: var(--color-concrete-50);
}

.product-page__header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 5.25rem;
  border-bottom: 1px solid rgb(255 255 255 / 14%);
  color: var(--color-white);
}

.product-page__header .brand {
  margin-left: var(--container-gutter);
}

.product-page__back {
  margin-right: var(--container-gutter);
  color: rgb(255 255 255 / 68%);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.product-page__hero {
  position: relative;
  overflow: hidden;
  color: var(--color-white);
  background: var(--color-navy);
}

.product-page__hero::before {
  position: absolute;
  inset: 0;
  opacity: 0.4;
  background-image: linear-gradient(rgb(255 255 255 / 4%) 1px, transparent 1px), linear-gradient(90deg, rgb(255 255 255 / 4%) 1px, transparent 1px);
  background-size: 5rem 5rem;
  content: "";
}

.product-page__hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(24rem, 1.1fr);
  align-items: center;
  gap: clamp(3rem, 7vw, 8rem);
  min-height: 48rem;
  padding-block: 9rem 5rem;
}

.product-page__eyebrow {
  color: var(--color-turquoise);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.product-page h1 {
  margin: var(--space-5) 0 0;
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 5.5rem);
  font-weight: 800;
  line-height: 0.94;
  letter-spacing: -0.055em;
}

.product-page__problem {
  max-width: 32rem;
  margin: var(--space-6) 0 0;
  color: rgb(255 255 255 / 68%);
  font-size: var(--text-lg);
  line-height: 1.65;
}

.product-page__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-8);
}

.product-page__visual {
  position: relative;
  aspect-ratio: 1 / 1;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgb(13 184 144 / 28%);
  border-radius: var(--radius-lg);
}

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

.product-page__body {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(3rem, 8vw, 9rem);
  padding-block: clamp(5rem, 9vw, 9rem);
}

.product-page__body h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 4rem);
  line-height: 1;
  letter-spacing: -0.045em;
  text-transform: uppercase;
}

.product-page__description {
  margin: 0;
  color: var(--color-graphite);
  font-size: var(--text-lg);
  line-height: 1.75;
}

.product-page__applications {
  display: grid;
  gap: 0;
  margin: var(--space-8) 0 0;
  padding: 0;
  border-top: 1px solid var(--color-concrete-300);
  list-style: none;
}

.product-page__subheading {
  margin: var(--space-8) 0 0;
  font-family: var(--font-display);
  font-size: var(--text-lg);
}

.product-page__details {
  padding-block: clamp(4rem, 8vw, 8rem);
  background: var(--color-navy);
  color: var(--color-white);
}

.product-page__details-inner {
  display: grid;
  gap: clamp(2rem, 4vw, 4rem);
}

.product-page__details-heading h2 {
  max-width: 42rem;
  margin: var(--space-4) 0 0;
  font-family: var(--font-display);
  font-size: clamp(2.3rem, 5vw, 4.5rem);
  line-height: 1.04;
  letter-spacing: -0.045em;
}

.product-page__detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.product-page__detail-card {
  padding: clamp(1.5rem, 3vw, 2.5rem);
  border: 1px solid rgb(255 255 255 / 16%);
  border-radius: var(--radius-lg);
  background: rgb(255 255 255 / 5%);
}

.product-page__detail-card h3 {
  margin: 0 0 var(--space-5);
  color: var(--color-turquoise);
  font-family: var(--font-display);
  font-size: var(--text-lg);
}

.product-page__detail-card p,
.product-page__detail-card li,
.product-page__detail-card dd {
  line-height: 1.65;
}

.product-page__detail-card p,
.product-page__detail-card ul,
.product-page__detail-card dl {
  margin: 0;
}

.product-page__detail-card ul {
  display: grid;
  gap: var(--space-3);
  padding-left: 1.2rem;
}

.product-page__detail-card dl {
  display: grid;
  grid-template-columns: minmax(8rem, 0.85fr) minmax(0, 1.15fr);
}

.product-page__detail-card dt,
.product-page__detail-card dd {
  margin: 0;
  padding: var(--space-3) 0;
  border-bottom: 1px solid rgb(255 255 255 / 13%);
}

.product-page__detail-card dt {
  color: rgb(255 255 255 / 65%);
}

.product-page__sheet {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  border-radius: var(--radius-lg);
  background: var(--color-white);
  color: var(--color-navy);
}

.product-page__sheet > div > span {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.product-page__sheet p {
  margin: var(--space-3) 0 0;
  line-height: 1.6;
}

.product-page__storage {
  max-width: 48rem;
  color: var(--color-graphite);
  font-size: var(--text-sm);
}

.product-page__download {
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
  flex-shrink: 0;
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-sm);
  background: var(--color-turquoise);
  color: var(--color-navy);
  font-family: var(--font-display);
  font-weight: 700;
}

.product-page__technical-note {
  max-width: 65rem;
  margin: 0;
  color: rgb(255 255 255 / 67%);
  font-size: var(--text-sm);
  line-height: 1.6;
}

.product-page__applications li {
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-concrete-300);
}

@media (max-width: 47.99rem) {
  .product-page__hero-inner,
  .product-page__body,
  .product-page__detail-grid {
    grid-template-columns: 1fr;
  }

  .product-page__hero-inner {
    padding-top: 8rem;
  }

  .product-page__visual {
    aspect-ratio: 4 / 3;
  }

  .product-page__sheet {
    align-items: stretch;
    flex-direction: column;
  }

  .product-page__download {
    justify-content: center;
  }
}